Medical Chemistry

Graduate School of Medical Science
Kyoto Prefectural University of Medicine

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Accomplishments

Since March 2020
Accomplishments

Original PapersReviewsProceedingsBooksInvited LecturesAwards
Accomplishments Before February 2020

Original Paper

  1. Ayumi Imayoshi*, Hidetomo Yokoo, Masashi Kawaguchi, Kazunori Tsubaki, Makoto Oba*
    Visualization of plasmid DNA deliver system by complementary fluorescence labeling of arginine-rich peptides.
    Chemical and Pharmaceutical Bulletin, 2024, 72, 856-861
    DOI: 10.1248/cpb.c24-00479
  2. Tetsuya Iida, Yukihiro Itoh*, Yukari Takahashi, Yuka Miyake, Farzad Zamani, Yasunobu Yamashita, Yuri Takada, Toshiki Akiyama, Jun Ibaraki, Kyoka Okuda, Yuto Tokuda, Tomoka Nishimura, Koto Hidaka, Hiiro Mori, Makoto Oba, Takayoshi Suzuki*
    Identification of proteolysis targeting chimeras (PROTACs) for lysine demethylase 5 and their neurite outgrowth-promoting activity.
    Chemical and Pharmaceutical Bulletin, 2024, 72, 638-647
    DOI: 10.1248/cpb.c23-00026
  3. Motoki Naka#, Tomohiro Umeno#, Mika Shibuya, Yuto Yamaberi, Atsushi Ueda, Masakazu Tanaka, Hiroyasu Takemoto, Makoto Oba* (#: equal contribution)
    Intracellular delivery of plasmid DNA using amphipathic helical cell-penetrating peptides containing dipropylglycine.
    Chemical and Pharmaceutical Bulletin, 2024, 72, 512-517
    DOI: 10.1248/cpb.c24-00221
    Highlighted Paper selected by Editor-in-Chief.
    Selected as a Featured Article.
  4. Siyao Ni, Yuri Takada, Takaaki Ando, Shengwang Yu, Yasunobu Yamashita, Yukari Takahashi, Miho Sawada, Makoto Oba, Yukihiro Itoh*, Takayoshi Suzuki*
    Identification of a novel histone H2A mono-ubiquitination-inhibiting cell-active small molecule.
    Bioorganic & Medicinal Chemistry Letters, 2024, 105, 129759
    DOI: 10.1016/j.bmcl.2024.129759
  5. Miki Suzuki#, Yuki Mochida#, Mao Hori, Akimasa Hayashi, Kazuko Toh, Theofilus A. Tockary, Xueying Liu, Victor Marx, Hidetomo Yokoo, Kanjiro Miyata, Makoto Oba, Satoshi Uchida* (#: equal contribution)
    Poly(ethylene Glycol) (PEG)–oligoRNA hybridization to mRNA enables fine-tuned polyplex PEGylation for spleen-targeted mRNA delivery.
    Small Science, 2024, 2300258
    DOI: 10.1002/smsc.202300258
  6. Motoharu Hirano, Hidetomo Yokoo*, Nobumichi Ohoka, Takahito Ito, Takashi Misawa, Makoto Oba, Takao Inoue, Yosuke Demizu*
    Rational design of amphipathic antimicrobial peptides with alternating L-/D-amino acids that form helical structures.
    Chemical and Pharmaceutical Bulletin, 2024, 72, 149-154
    DOI: 10.1248/cpb.c23-00465
  7. Hidetomo Yokoo*, Anjaneyulu Dirisala, Satoshi Uchida, Makoto Oba*
    Oligosarcosine conjugation of arginine-rich peptide improves the intracellular delivery of peptide/pDNA complexes.
    ACS Biomaterials Science & Engineering, 2024, 10, 890-896
    DOI: 10.1021/acsbiomaterials.3c01542
    Selected as a supplementary cover.
  8. Yukihiro Itoh, Peng Zhan, Toshifumi Tojo, Pattaporn Jaikhan, Yosuke Ota, Miki Suzuki, Ying Li, Zi Hui, Yukiko Moriyama, Yuri Takada, Yasunobu Yamashita, Makoto Oba, Shusaku Uchida, Mitsuharu Masuda, Shinji Ito, Yoshihiro Sowa, Toshiyuki Sakai, Takayoshi Suzuki*
    Discovery of selective histone deacetylase 1 and 2 inhibitors: Screening of a focused library constructed by click chemistry, kinetic binding analysis, and biological evaluation.
    Journal of Medicinal Chemistry, 2023, 66, 15171-15188
    DOI: 10.1021/acs.jmedchem.3c01095
  9. Motoharu Hirano, Hidetomo Yokoo, Chihiro Goto, Makoto Oba, Takashi Misawa*, Yosuke Demizu*
    Magainin 2-derived stapled peptides derived with the ability to deliver pDNA, mRNA, and siRNA into cells.
    Chemical Science, 2023, 14, 10403-10410
    DOI: 10.1039/D3SC04124G
    Selected as a front cover.
  10. Makoto Oba*, Shun Nakajima, Kurumi Misao, Hidetomo Yokoo, Masakazu Tanaka
    Effect of helicity and hydrophobicity on cell-penetrating ability of arginine-rich peptides.
    Bioorganic & Medicinal Chemistry, 2023, 91, 117409
    DOI: 10.1016/j.bmc.2023.117409
  11. Ken Kawaguchi, Mao Kinoshita, Kazuki Sudo, Keita Inoue, Yoshifumi Naito, Makoto Oba, Satoshi Uchida*, Teiji Sawa*
    mRNA vaccine induces protective immunity against the type III secretory virulence of Pseudomonas aeruginosa.
    bioRxiv
    DOI:10.1101/2023.06.09.544431
  12. Makoto Oba*, Mika Shibuya, Yuto Yamaberi, Hidetomo Yokoo, Satoshi Uchida, Atsushi Ueda, Masakazu Tanaka*
    An amphipathic structure of a dipropylglycine-containing helical peptide with sufficient length enables safe and effective intracellular siRNA delivery.
    Chemical and Pharmaceutical Bulletin, 2023, 71, 250–256
    DOI: 10.1248/cpb.c22-00852
    Highlighted Paper selected by Editor-in-Chief.
    Selected as a Featured Article.
  13. Hidetomo Yokoo#, Takashi Misawa#, Takuma Kato, Masakazu Tanaka, Yosuke Demizu*, Makoto Oba*
    Development of delivery carriers for plasmid DNA by conjugation of a helical template to oligoarginine.
    Bioorganic & Medicinal Chemistry, 2022, 72, 116997
    DOI: 10.1016/j.bmc.2022.116997
  14. Jiranan Chotitumnavee, Yasunobu Yamashita, Yukari, Takahashi, Yuri Takada, Tetsuya, Iida, Makoto Oba, Yukihiko Itoh*, Takayoshi Suzuki*
    Selective degradation of histone deacetylase 8 mediated by a proteolysis targeting chimera (PROTAC).
    Chemical Communications, 2022, 58, 4635-4638
    DOI: 10.1039/D2CC00272H
  15. Atsushi Ueda*, Yui Makura, Sana Kakazu, Takuma Kato, Tomohiro Umeno, Kazuhiro Hirayama, Mitsunobu Doi, Makoto Oba, Masakazu Tanaka*
    E-Selective ring-closing metathesis in α-helical stapled peptides using carbocyclic α,α-disubstituted α-amino acids.
    Organic Letters, 2022, 24, 1049-1054
    DOI: 10.1021/acs.orglett.1c04256
  16. Muthuraj Prakash, Yukihiro Itoh*, Yoshie Fujiwara, Yukari Takahashi, Yuri Takada, Paolo Mellini, Elghareeb Elboray, Mitsuhiro Terao, Yasunobu Yamashita, Chika Yamamoto, Takao Yamaguchi, Masayuki Kotoku, Yuki Kitao, Ritesh Singh, Rohini Roy, Satoshi Obika, Makoto Oba, Dan Ohtan Wang, Takayoshi Suzuki*
    Identification of potent and selective inhibitors of fat mass obesity associated protein using a fragment-merging approach.
    Journal of Medicinal Chemistry, 2021, 64, 15810-15824
    DOI: 10.1021/acs.jmedchem.1c01107
  17. Satoshi Uchida*, Yuto Yamaberi, Masakazu Tanaka, Makoto Oba*
    A helix foldamer oligopeptide improves intracellular stability and prolongs protein expression of delivered mRNA.
    Nanoscale, 2021, 13 (45), 18941-18946
    DOI: 10.1039/D1NR03600A
    Selected as an inside front cover
  18. Takeshi Fuchigami*, Takeshi Chiga, Sakkura Yoshida, Makoto Oba, Yu, Fukushima, Hiromi Inoue, Akari Matsuura, Akira Toriba, Morio Nakayama*
    Synthesis and characterization of radiogallium-labeled cationic amphiphilic peptides as tumor imaging agents.
    Cancers, 2021, 13, 2388
    DOI: 10.3390/cancers13102388
  19. Yuto Yamaberi, Ryo Eto, Tomohiro Umeno, Takuma Kato, Mitsunobu Doi, Hidetomo Yokoo, Makoto Oba*, Masakazu Tanaka*
    Synthesis of (S)-(–)-cucurbitine and conformation of its homopeptides.
    Organic Letters, 2021, 23, 4358-4362
    DOI:10.1021/acs.orglett.1c01291
    Selected as a supplementary cover.
  20. Takuma Kato*, Yuki Kita, Kazuki Iwanari, Akiko Asano, Makoto Oba, Masakazu Tanaka, Mitsunobu Doi
    Synthesis of six-membered carbocyclic ring α,α-disubstituted amino acids and arginine-rich peptides to investigate the effect of ring size on the properties of the peptide.
    Bioorganic & Medicinal Chemistry, 2021, 38, 116111
    DOI: 10.1016/j.bmc.2021.116111
  21. Tetsuya Iida, Yukihiro Itoh*, Yukari Takahashi, Yasunobu Yamashita, Takashi Kurohara, Yuka Miyake, Makoto Oba, Takayoshi Suzuki*
    Design, synthesis, and biological evaluation of lysine demethylase 5C degraders
    ChemMedChem, 2021, 16, 1609–1618
    DOI: 10.1002/cmdc.202000933
    Selected as a front cover
    Selected as a very important paper.
  22. Atsushi Ueda, Misuzu Ikeda, Takuya Kasae, Mitsunobu Doi, Yosuke Demizu, Makoto Oba, Masakazu Tanaka*
    Synthesis of chiral α-trifluoromethyl α,α-disubstituted α-amino acids and conformational analysis of L-Leu based peptides with (R)- or (S)-α-trifluoromethylanaline
    ChemistrySelect, 2020, 5, 10882-10886
    DOI: 10.1002/slct.202002888
  23. Kaori Furukawa, Masakazu Tanaka, Makoto Oba*
    siRNA delivery using amphipathic cell-penetrating peptides into human hepatoma cells
    Bioorganic & Medicinal Chemistry, 2020, 28(8), 115402.
    DOI: 10.1016/j.bmc.2020.115402
    24. 　

Reviews

  1. Satoshi Uchida*, Chun Yin Lau, Makoto Oba, Kanjiro Miyata*,
    Polymeric nanoparticle designs for improving the stability and safety of RNA therapeutics.
    Advanced Drug Delivery Reviews, 2023, 199, 114972
    DOI: 10.1016/j.addr.2023.114972
  2. Hidetomo Yokoo*, Miyako Naganuma, Makoto Oba, Yosuke Demizu*,
    Recent Advances in PROTAC Technology toward New Therapeutic Modalities.
    Chemistry & Biodiversity, 2022 e202200828
    DOI: 10.1002/cbdv.2022008288
  3. Hidetomo Yokoo, Makoto Oba*, Satoshi Uchida*
    Cell-penetrating peptides: emerging tools for mRNA delivery.
    Pharmaceutics, 2022, 14(1), 78
    DOI: 10.3390/pharmaceutics14010078

Proceedings

  1. Hidetomo Yokoo, Takashi Misawa, Takuma Kato, Masakazu Tanaka, Yosuke Demizu, Makoto Oba
    Intracellular plasmid DNA deliver using helical template conjugated oligoarginine
    Peptide Science 2022, 2023, 77-78.

Books

  1. Makoto Oba, Clinical Trials, Cell-Penetrating Peptides: Design, Development and Applications, Makoto Oba and Yosuke Demizu, Editors, Wiley-VCH-GmbH, ISBN: 978-3-527-35011-7, 367-379 (2022).
  2. Makoto Oba, Amphipathic Peptide, Cell-Penetrating Peptides: Design, Development and Applications, Makoto Oba and Yosuke Demizu, Editors, Wiley-VCH-GmbH, ISBN: 978-3-527-35011-7, 57-67 (2022).
  3. Makoto Oba, Classification, Cell-Penetrating Peptides: Design, Development and Applications, Makoto Oba and Yosuke Demizu, Editors, Wiley-VCH-GmbH, ISBN: 978-3-527-35011-7, 17-27 (2022).
  4. Makoto Oba, Yosuke Demizu, Introduction, Cell-Penetrating Peptides: Design, Development and Applications, Makoto Oba and Yosuke Demizu, Editors, Wiley-VCH-GmbH, ISBN: 978-3-527-35011-7, 1-14 (2022).

Invited Lectures

  1. Satoshi Uchida, Development of mRNA nano-vaccines against COVID-19 and future pandemic, 7th COINS Symposium, ~Future Medicine is Comin' to Town~ (Online, Dec. 4, 2020)
  2. Satoshi Uchida, mRNA nanomachine for treating rare genetic disorders, India-Japan Webinar on "Rare Genetic Disorders”, organized by Embassy of India, Tokyo (Online, Oct. 16, 2020)

Awards

  1. 日本薬学会関東支部奨励賞, Sep. 2023
    Tomohiro Umeno
  2. 京都府立医科大学学友会, Mar. 2022
    Hidetomo Yokoo
  3. ENT M Dr.浅野登＆暉子基金医学基礎研究助成, Nov. 2021
    Hidetomo Hidetomo

2020年2月以前
研究業績

Original PapersReviewsProceedingsBooksInvited Lectures

Original Papers

  1. Tomohiro Umeno, Atsushi Ueda, Mitsunobu Doi, Takuma Kato, Makoto Oba, Masakazu Tanaka*
    Helical foldamer-catalyzed enantioselective 1,4-addition reaction of dialkyl malonates to cyclic enones
    Tetrahedron Letters, 2019, 60(49), 151301.
    DOI: 10.1016/j.tetlet.2019.151301
  2. Takashi Misawa†*, Nobumichi Ohoka†*, Makoto Oba, Hiroko Yamashita, Masakazu Tanaka, Mikihiko Naito, Yosuke Demizu* (†: equal contribution)
    Development of 2-aminoisobutyric acid (Aib)-rich cell-penetrating foldamers (CPFs) for efficient siRNA delivery
    Chemical Communications, 2019, 55, 7792-7795.
    DOI: 10.1039/C9CC02203A
  3. Makoto Oba*, Yurika Ito, Tomohiro Umeno, Takuma Kato, Masakazu Tanaka
    Plasmid DNA delivery using cell-penetrating peptide foldamers composed of Arg-Arg-Aib repeating sequences
    ACS Biomaterials Science & Engineering, 2019, 5, 5660-5668.
    DOI: 10.1021/acsbiomaterials.8b01451
  4. Makoto Oba*, Yu Nagano, Takuma Kato, Masakazu Tanaka
    Secondary structures and cell-penetrating abilities of arginine-rich peptide foldamers
    Scientific Reports, 2019, 9, 1349.
    DOI: 10.1038/s41598-018-38063-8
  5. Yurie Koba, Atsushi Ueda, Makoto Oba, Mitsunobu Doi, Takuma Kato, Yosuke Demizu, Masakazu Tanaka*
    Left-handed helix of three-membered ring amino acid homopeptide interrupted by an N–H···ethereal O type hydrogen bond
    Organic Letters, 2018, 20(24), 7830-7834.
    DOI: 10.1021/acs.orglett.8b03331
  6. Masakazu Tanaka*, Haruka Yakabi, Haruki Nakatani, Atsushi Ueda, Mitsunobu Doi, Makoto Oba
    Helical structures of cyclopentene-based α,α-disubstituted α-amino acid homopeptides
    Chimia, 2018, 72(12), 848-852.
    DOI: 10.2533/chimia.2018.848
  7. Takuma Kato, Makoto Oba*, Koyo Nishida, Masakazu Tanaka*
    Cell-penetrating peptides using cyclic α,α-disubstituted α-amino acids with basic functional groups
    ACS Biomaterials Science & Engineering, 2018, 4(4), 1368-1376.
    DOI: 10.1021/acsbiomaterials.8b00180
  8. Hiroyuki Kobayashi, Takashi Misawa*, Makoto Oba, Naoya Hirata, Yasunari Kanda, Masakazu Tanaka, Kenji Matsuno, Yosuke Demizu*
    Structural development of cell-penetrating peptides containing cationic proline derivatives
    Chemical & Pharmaceutical Bulletin, 2018, 66(5), 575-580.
    DOI: 10.1248/cpb.c18-00079
    Highlight paper selected by Editor-in Chief.
  9. Makoto Oba*, Chika Ito, Masakazu Tanaka
    Effects of five-membered ring amino acid incorporation into peptides for coiled coil formation
    Bioorganic & Medicinal Chemistry Letters, 2018, 28(5), 875-877.
    DOI: 10.1016/j.bmcl.2018.02.002
  10. Ryo Eto, Makoto Oba, Atsushi Ueda, Tsubasa Uku, Mitsunobu Doi, Yosuke Matsuo, Takashi Tanaka, Yosuke Demizu, Masaaki Kurihara, Masakazu Tanaka*
    Diastereomeric right- and left-handed helical structures with fourteen (R)-chiral centers
    Chemistry A European Journal, 2017, 23(72), 18120-18124.
    DOI: 10.1002/chem.201705306
    Selected as a frontispiece.
  11. Yurie Koba, Atsushi Ueda, Makoto Oba, Mitsunobu Doi, Yosuke Demizu, Masaaki Kurihara, Masakazu Tanaka*
    Helical L-Leu-based peptides having chiral five-membered carbocyclic ring amino acids with an ethylene acetal moiety
    ChemistrySelect, 2017, 2, 8108-8114.
    DOI: 10.1002/slct.201700832
  12. Kaori Furukawa, Makoto Oba*, Kotomi Toyama, George Ouma Opiyo, Yosuke Demizu, Masaaki Kurihara, Mitsunobu Doi, Masakazu Tanaka*
    Low pH-triggering changes in peptide secondary structures
    Organic & Biomolecular Chemistry, 2017, 15(30), 6302-81146305.
    DOI: 10.1039/C7OB01374D
    Selected as a cover picture.
  13. Makoto Oba*, Masayuki Kunitake, Takuma Kato, Atsushi Ueda, Masakazu Tanaka*
    Enhanced and prolonged cell-penetrating abilities of arginine-rich peptides by introducing cyclic α,α-disubstituted α-amino acids with stapling
    Bioconjugate Chemistry, 2017, 28(7), 1801-1806.
    DOI: 10.1021/acs.bioconjchem.7b00190
  14. Hiroko Yamashita, Takashi Misawa, Makoto Oba, Masakazu Tanaka, Mikihiko Naito, Masaaki Kurihara*, Yosuke Demizu*
    Development of helix-stabilized cell-penetrating peptides containing cationic α,α-disubstituted amino acids as helical promoters
    Bioorganic & Medicinal Chemistry, 2017, 25(6), 1846-1851.
    DOI: 10.1016/j.bmc.2017.01.044
  15. Qixian Chen, Kensuke Osada*, Zhishen Ge, Satoshi Uchida, Theofilus A. Tockary, Anjaneyulu Dirisala, Akitsugu Matsui, Kazuko Toh, Kaori M. Takeda, Xueying Liu, Takahiro Nomoto, Takehiko Ishii, Makoto Oba, Yu Matsumoto, Kazunori Kataoka*
    Polyplex micelle installing intracellular self-processing functionalities without free catiomers for safe and efficient systemic gene therapy through tumor vasculature targeting
    Biomaterials, 2017, 113, 253-265.
    DOI: 10.1016/j.biomaterials.2016.10.042
  16. Yosuke Demizu*, Koyo Okitsu, Mitsunobu Doi, Takashi Misawa, Makoto Oba, Masakazu Tanaka, Masaaki Kurihara*
    Influence of L-Leu to D-Leu replacement on the helical secondary structures of L-Leu-Aib based dodecapeptides
    ChemistrySelect, 2016, 1, 5805-5811.
    DOI: 10.1002/slct.201601493
  17. Hiroko Yamashita, Takuma Kato, Makoto Oba, Takashi Misawa, Takayuki Hattori, Nobumichi Ohoka, Masakazu Tanaka, Mikihiko Naito, Masaaki Kurihara*, Yosuke Demizu*
    Development of a cell-penetrating peptide that exhibits responsive changes in its secondary structure in the cellular environment
    Scientific Reports, 2016, 6, 33003.
    DOI: 10.1038/srep33003
  18. Atsushi Ueda, Makoto Oba, Yuki Izumi, Yasuhiro Sueyoshi, Mitsunobu Doi, Yosuke Demizu, Masaaki Kurihara, Masakazu Tanaka*
    Helical structures of homo-chiral isotope-labeled α-aminoisobutyric acid peptides
    Tetrahedron, 2016, 72(39), 5864-5871.
    DOI: 10.1016/j.tet.2016.08.011
  19. Yosuke Demizu*, Mitsunobu Doi, Hiroko Yamashita, Takashi Misawa, Makoto Oba, Masaaki Kurihara, Hiroshi Suemune, Masakazu Tanaka
    The side-chain hydroxy groups of a cyclic α,α-disubstituted α-amino acid promote oligopeptide 310-helix packing in the crystalline state
    Biopolymers (Peptide Science), 2016, 106(5), 757-768.
    DOI: 10.1002/bip.22881
  20. Yurie Koba, Yoko Hirata, Atsushi Ueda, Makoto Oba, Mitsunobu Doi, Yosuke Demizu, Masaaki Kurihara, Masakazu Tanaka*
    Synthesis of chiral five-membered carbocyclic ring amino acids with an acetal moiety and helical conformation of its homo-chiral homopeptides
    Biopolymers (Peptide Science), 2016, 106(4), 555-562.
    DOI: 10.1002/bip.22769
  21. Takuma Kato†, Hiroko Yamashita†, Takashi Misawa, Koyo Nishida, Masaaki Kurihara, Masakazu Tanaka, Yosuke Demizu*, Makoto Oba* (†: equal contribution)
    Plasmid DNA delivery by arginine-rich cell-penetrating peptides containing unnatural amino acids
    Bioorganic & Medicinal Chemistry, 2016, 24(12), 2681-2687.
    DOI: 10.1016/j.bmc.2016.04.031
  22. Kaori Furukawa, Makoto Oba*, George Ouma Opiyo, Mitsunobu Doi, Masakazu Tanaka*
    Cyclic α,α-disubstituted α-amino acids with menthone in their side chains through an acetal moiety and helical structures of their peptides
    European Journal of Organic Chemistry, 2016, 17, 2988-2998.
    DOI: 10.1002/ejoc.201600241
  23. Tomohiro Umeno, Atsushi Ueda, Makoto Oba, Mitsunobu Doi, Takayuki Hirata, Hiroshi Suemune, Masakazu Tanaka*
    Helical structures of L-Leu-based peptides having chiral six-membered ring amino acids
    Tetrahedron, 2016, 72(22), 3124-3131.
    DOI: 10.1016/j.tet.2016.04.040
  24. Yosuke Demizu*, Koyo Okitsu, Hiroko Yamashita, Mitsunobu Doi, Takashi Misawa, Makoto Oba, Masakazu Tanaka, Masaaki Kurihara*
    α-Helical structures of oligopeptides with alternating L-Leu-Aib segment
    European Journal of Organic Chemistry, 2016, 16, 2815-2820.
    DOI: 10.1002/ejoc.201600327
  25. Hirokuni Uchida, Keiji Itaka, Satoshi Uchida, Takehiko Ishii, Tomoya Suma, Kanjiro Miyata, Makoto Oba, Nobuhiro Nishiyama, Kazunori Kataoka*
    Synthetic polyamines to regulate mRNA translation through the preservative binding of eukaryotic initiation factor 4E to the cap structure
    Journal of the American Chemical Society, 2016, 138(15), 1478-1481.
    DOI: 10.1021/jacs.5b11726
  26. Makoto Oba*, Hikaru Nonaka, Mitsunobu Doi, Masakazu Tanaka*
    Conformational studies on peptides having dipropylglycine (Dpg) or 1-aminocycloheptanecarboxylic acid (Ac7c) within the sequence of L-leucine (Leu) residues
    Biopolymers (Peptide Science), 2016, 106(2), 210-218.
    DOI: 10.1002/bip.22810
  27. Makoto Oba*, Takuma Kato, Kaori Furukawa, Masakazu Tanaka
    A cell-penetrating peptide with a guanidinylethyl amine structure directed to gene delivery
    Scientific Reports, 2016, 6, 19913.
    DOI: 10.1038/srep19913
  28. Yosuke Demizu*, Hiroko Yamashita, Takashi Misawa, Mitsunobu Doi, Makoto Oba, Masakazu Tanaka, Masaaki Kurihara*
    Handedness preference of heterochiral helical peptides by attaching a homochiral peptide segment
    European Journal of Organic Chemistry, 2016, 4, 840-846.
    DOI: 10.1002/ejoc.201501146
  29. Hiroko Yamashita, Makoto Oba, Takashi Misawa, Masakazu Tanaka, Takayuki Hattori, Mikihiko Naito, Masaaki Kurihara*, Yosuke Demizu*
    A helix-stabilized cell-penetrating peptide as an intracellular delivery tool
    ChemBioChem, 2016, 17(2), 137-140.
    DOI: 10.1002/cbic.201500468
    Selected as a cover picture.
  30. Yosuke Demizu*, Hiroko Yamashita, Mitsunobu Doi, Takashi Misawa, Makoto Oba, Masakazu Tanaka, Masaaki Kurihara*
    Topological study of the structures of heterochiral peptides containing equal amounts of L-Leu and D-Leu
    The Journal of Organic Chemistry, 2015, 80(17), 8597-8603.
    DOI: 10.1021/acs.joc.5b01541
  31. Makoto Oba*, Yosuke Demizu, Hiroko Yamashita, Masaaki Kurihara, Masakazu Tanaka
    Plasmid DNA delivery using fluorescein-labeled arginine-rich peptides
    Bioorganic & Medicinal Chemistry, 2015, 23(15), 4911-4918.
    DOI: 10.1016/j.bmc.2015.05.025
  32. Yosuke Demizu*, Makoto Oba, Kouyo Okitsu, Hiroko Yamashita, Takashi Misawa, Masakazu Tanaka, Masaaki Kurihara, Samuel H. Gellman
    A preorganized β-amino acid bearing a guanidinium side chain and its use in cell-penetrating peptides
    Organic & Biomolecular Chemistry, 2015, 13(20), 5617-5620.
    DOI: 10.1039/C5OB00389J
  33. Kazuhiro Tanda, Ryo Eto, Kazuya Kato, Makoto Oba, Atsushi Ueda, Hiroshi Suemune, Mitsunobu Doi, Yosuke Demizu, Masaaki Kurihara, Masakazu Tanaka*
    Peptide foldamers composed of six-membered ring α,α-disubstituted α-amino acids with two changeable chiral acetal moieties
    Tetrahedron, 2015, 71(23), 3909-3914.
    DOI: 10.1016/j.tet.2015.04.031
  34. Takayuki Hirata, Atsushi Ueda, Makoto Oba, Mitsunobu Doi, Yosuke Demizu, Masaaki Kurihara, Masanobu Nagano, Hiroshi Suemune, Masakazu Tanaka*
    Amino equatorial effect of a six-membered ring amino acid on its peptide 310- and α-helices
    Tetrahedron, 2015, 71(16), 2409-2420.
    DOI: 10.1016/j.tet.2015.02.075
  35. Makoto Oba*, Naomi Kawabe, Hiroomi Takazaki, Yosuke Demizu, Mitsunobu Doi, Masaaki Kurihara, Hiroshi Suemune, Masakazu Tanaka*
    Conformational studies on peptides having chiral five-membered ring amino acid with two azido or triazole functional groups within the sequence of Aib residues
    Tetrahedron, 2014, 70(46), 8900-8907.
    DOI: 10.1016/j.tet.2014.09.086
  36. Takuma Kato, Makoto Oba*, Koyo Nishida, Masakazu Tanaka
    Cell-penetrating helical peptides having L-arginines and five-membered ring α,α-disubstituted α-amino acids
    Bioconjugate Chemistry, 2014, 25(10), 1761-1768.
    DOI: 10.1021/bc5003949
  37. Makoto Oba, Hiroomi Takazaki, Naomi Kawabe, Mitsunobu Doi, Yosuke Demizu, Masaaki Kurihara, Hiromu Kawakubo, Masanobu Nagano, Hiroshi Suemune, Masakazu Tanaka*
    Helical peptide-foldamers having a chiral five-membered ring amino acid with two azido functional groups
    The Journal of Organic Chemistry, 2014, 79(19), 9125-9140.
    DOI: 10.1021/jo501493x
  38. Hirokuni Uchida, Keiji Itaka, Takahiro Nomoto, Takehiko Ishii, Tomoya Suma, Masaru Ikegami, Kanjiro Miyata, Makoto Oba, Nobuhiro Nishiyama, Kazunori Kataoka*
    Modulated protonation of side chain aminoethylene repeats in N-substituted polyaspartamides promotes mRNA transfection
    Journal of the American Chemical Society, 2014, 136(35), 12396-12405.
    DOI: 10.1021/ja506194z
    Selected as Spotlight of JACS.
  39. Anjaneyulu Dirisala, Kensuke Osada*, Qixian Chen, Theofilus A. Tockary, Kaori Machitani, Shigehito Osawa, Xueying Liu, Takehiko Ishii, Kanjiro Miyata, Makoto Oba, Satoshi Uchida, Keiji Itaka, Kazunori Kataoka*
    Optimized rod length of polyplex micelles for maximizing transfection efficiency and their performance in systemic gene therapy against stroma-rich pancreatic tumors
    Biomaterials, 2014, 35(20), 5359-5368.
    DOI: 10.1016/j.biomaterials.2014.03.037
  40. Hiroko Yamashita, Yosuke Demizu*, Takuji Shoda, Yukiko Sato, Makoto Oba, Masakazu Tanaka, Masaaki Kurihara*
    Amphipathic short helix-stabilized peptides with cell-membrane penetrating ability
    Bioorganic & Medicinal Chemistry, 2014, 22(8), 2403-2408.
    DOI: 10.1016/j.bmc.2014.03.005
  41. Takahiro Nomoto, Shigeto Fukushima, Michiaki Kumagai, Kaori Machitani, Arnida, Yu Matsumoto, Makoto Oba, Kanjiro Miyata, Kensuke Osada, Nobuhiro Nishiyama*, Kazunori Kataoka*
    Three-layered polyplex micelle as a multifunctional nanocarrier platform for light-induced systemic gene transfer
    Nature Communications, 2014, 5, 3545.
    DOI: 10.1038/ncomms4545
  42. Zhishen Ge, Qixian Chen, Kensuke Osada*, Xueying Liu, Theofilus A. Tockary, Satoshi Uchida, Anjaneyulu Dirisala, Takehiko Ishii, Takahiro Nomoto, Kazuko Toh, Yu Matsumoto, Makoto Oba, Mitsunobu R. Kano, Keiji Itaka, Kazunori Kataoka*
    Targeted gene delivery by polyplex micelles with crowded PEG palisade and cRGD moiety for systemic treatment of pancreatic tumors
    Biomaterials, 2014, 35(10), 3416-3426.
    DOI: 10.1016/j.biomaterials.2013.12.086
  43. Takuma Kato, Masakazu Tanaka, Makoto Oba*
    Protein transfection study using multicellular spheroids of human hepatoma Huh-7 cells
    PLoS ONE, 2013, 8(12), e82876.
    DOI: 10.1371/journal.pone.0082876
  44. Makoto Oba*, Naoko Ishikawa, Yosuke Demizu, Masaaki Kurihara, Hiroshi Suemune, Masakazu Tanaka*
    Helical oligomer with changeable chiral acetal moiety
    European Journal of Organic Chemistry, 2013, 34, 7679-7682.
    DOI: 10.1002/ejoc.201301450
  45. Makoto Oba*, Atsushi Shimabukuro, Miyako Ono, Mitsunobu Doi, Masakazu Tanaka*
    Synthesis of both enantiomers of cyclic methionine analogue: (R)- and (S)-3-aminotetrahydrothiophene-3-carboxylic acids
    Tetrahedron: Asymmetry, 2013, 24(8), 464-467.
    DOI: 10.1016/j.tetasy.2013.03.010
  46. Kosuke Anan, Yosuke Demizu, Makoto Oba, Masaaki Kurihara, Mitsunobu Doi, Hiroshi Suemune, Masakazu Tanaka*
    Helical structures of bicyclic α-amino acid homo-chiral oligomers with the stereogenic centers at the side-chain fused-ring junctions
    Helvetica Chimica Acta, 2012, 95(10), 1694-1713.
    DOI: 10.1002/hlca.201200403
  47. Makoto Oba*, Masakazu Tanaka
    Intracellular internalization mechanism of protein transfection reagents
    Biological & Pharmaceutical Bulletin, 2012, 35(7), 1064-1068.
    DOI: 10.1248/bpb.b12-00001
  48. Qixian Chen, Kensuke Osada*, Takehiko Ishii, Makoto Oba, Satoshi Uchida, Theofilus A. Tockary, Taisuke Endo, Zhishen Ge, Hiroaki Kinoh, Mitsunobu R. Kano, Keiji Itaka, Kazunori Kataoka*
    Homo-catiomer integration into PEGylated polyplex micelle from block-catiomer for systemic anti-angiogenic gene therapy for fibrotic pancreatic tumors
    Biomaterials, 2012, 33(18), 4722-4730.
    DOI: 10.1016/j.biomaterials.2012.03.017
  49. Hyun Jin Kim, Makoto Oba, Frederico Pittella, Takahiro Nomoto, Horacio Cabral, Yu Matsumoto, Kanjiro Miyata, Nobuhiro Nishiyama, Kazunori Kataoka*
    PEG-detachable cationic polyaspartamide derivatives bearing stearoyl moieties for systemic siRNA delivery toward subcutaneous BxPC3 pancreatic tumor
    Journal of Drug Targeting, 2012, 20(1), 33-42.
    DOI: 10.3109/1061186X.2011.632010
  50. Hideo Kagaya, Makoto Oba, Yutaka Miura, Hiroyuki Koyama*, Takehiko Ishii, Takae Shimada, Tsuyoshi Takato, Kazunori Kataoka, Tetsuro Miyata
    Impact of polyplex micelles installed with cyclic RGD peptide as ligand on gene delivery to vascular lesions
    Gene Therapy, 2012, 19(1), 61-69.
    DOI: 10.1038/gt.2011.74
  51. Aya Iriyama*, Makoto Oba, Takehiko Ishii, Nobuhiro Nishiyama, Kazunori Kataoka, Yasuhiro Tamaki, Yasuo Yanagi
    Gene transfer using micellar nanovectors inhibits choroidal neovascularization in vivo
    PLoS ONE, 2011, 6(12), e28560.
    DOI: 10.1371/journal.pone.0028560
  52. Aya Iriyama*, Tomohiko Usui, Yasuo Yanagi, Shiro Amano, Makoto Oba, Kanjiro Miyata, Nobuhiro Nishiyama, Kazunori Kataoka
    Gene transfer using micellar nanovectors inhibits corneal neovascularization in vivo
    Cornea, 2011, 30(12), 1423-1427.
    DOI: 10.1097/ICO.0b013e318206c893
  53. Hirokuni Uchida, Kanjiro Miyata, Makoto Oba, Takehiko Ishii, Tomoya Suma, Keiji Itaka, Nobuhiro Nishiyama, Kazunori Kataoka*
    Odd-even effect of repeating aminoethylene units in the side chain of N-substituted polyaspartamides on gene transfection profiles
    Journal of the American Chemical Society, 2011, 133(39), 15524-15532.
    DOI: 10.1021/ja204466y
  54. Frauke M. König, Yelena Vachutinsky, Makoto Oba, Kanjiro Miyata, Nobuhiro Nishiyama, Kazunori Kataoka, Christoph Bräuchle, Nadia Ruthardt*
    Effect of integrin targeting and PEG shielding on polyplex micelle internalization studied by live-cell imaging
    Journal of Controlled Release, 2011, 156(3), 364-373.
    DOI: 10.1016/j.jconrel.2011.08.003
  55. Stephanie Herlambang, Michiaki Kumagai, Takahiro Nomoto, Souta Horie, Shigeto Fukushima, Makoto Oba, Kozo Miyazaki, Yuji Morimoto, Nobuhiro Nishiyama*, Kazunori Kataoka*
    Disulfide crosslinked polyion complex micelles encapsulating dendrimer phthalocyanine directed to improved efficiency of photodynamic therapy
    Journal of Controlled Release, 2011, 155(3), 449-457.
    DOI: 10.1016/j.jconrel.2011.06.019
  56. Yasutaka Anraku, Akihiro Kishimura*, Atsushi Kobayashi, Makoto Oba, Kazunori Kataoka*
    Size-controlled long-circulating PICsome as ruler to measure critical cut-off disposition size into normal and tumor tissues
    Chemical Communications, 2011, 47(21), 6054-6056.
    DOI: 10.1039/C1CC11465D
  57. Takahiro Nomoto, Yu Matsumoto, Kanjiro Miyata, Makoto Oba, Shigeto Fukushima, Nobuhiro Nishiyama, Tatsuya Yamasoba, Kazunori Kataoka*
    In situ quantitative monitoring of polyplexes and polyplex micelles in the blood circulation using intravital real-time confocal laser scanning microscopy
    Journal of Controlled Release, 2011, 151(2), 104-109.
    DOI: 10.1016/j.jconrel.2011.02.011
    Selected as a cover picture.
  58. Yelena Vachutinsky, Makoto Oba, Kanjiro Miyata, Shigehiro Hiki, Mitsunobu R. Kano, Nobuhiro Nishiyama, Hiroyuki Koyama, Kohei Miyazono, Kazunori Kataoka*
    Antiangiogenic gene therapy of experimental pancreatic tumor by sFlt-1 plasmid DNA carried by RGD-modified crosslinked polyplex micelles
    Journal of Controlled Release, 2011, 149(1), 51-57.
    DOI: 10.1016/j.jconrel.2010.02.002
    Selected as a cover picture.
  59. Makoto Oba, Kanjiro Miyata, Kensuke Osada, R. James Christie, Mai Sanjoh, Weidong Li, Shigeto Fukushima, Takehiko Ishii, Mitsunobu R. Kano, Nobuhiro Nishiyama, Hiroyuki Koyama, Kazunori Kataoka*
    Polyplex micelles prepared from ω-cholesteryl PEG-polycation block copolymers for systemic gene delivery
    Biomaterials, 2011, 32(2), 652-663.
    DOI: 10.1016/j.biomaterials.2010.09.022
  60. Yu Matsumoto, Takahiro Nomoto, Horacio Cabral, Yoko Matusmoto, Sumiyo Watanabe, R. James Christie, Kanjiro Miyata, Makoto Oba, Tadayoshi Ogura, Yuichi Yamasaki, Nobuhiro Nishiyama, Tatsuya Yamasoba, Kazunori Kataoka*
    Direct and instantaneous observation of intravenously injected substances using intravital confocal micro-videography
    Biomedical Optics Express, 2010, 1(4), 1209-1216.
    DOI: 10.1364/BOE.1.001209
  61. Hiroyasu Takemoto, Atsushi Ishii, Kanjiro Miyata, Masataka Nakanishi, Makoto Oba, Takehiko Ishii, Yuichi Yamasaki, Nobuhiro Nishiyama, Kazunori Kataoka*
    Polyion complex stability and gene silencing efficiency with a siRNA-grafted polymer delivery system
    Biomaterials, 2010, 31(31), 8097-8105.
    DOI: 10.1016/j.biomaterials.2010.07.015
    Selected as ‘The new Biomaterials Year in Images poster-2010 edition’.
  62. Hyun Jin Kim, Atsushi Ishii, Kanjiro Miyata, Yan Lee, Shourong Wu, Makoto Oba, Nobuhiro Nishiyama, Kazunori Kataoka*
    Introduction of stearoyl moieties into a biocompatible cationic polyaspartamide derivative, PAsp(DET), with endosomal escaping function for enhanced siRNA-mediated gene knockdown
    Journal of Controlled Release, 2010, 145(2), 141-148.
    DOI: 10.1016/j.jconrel.2010.03.019
  63. Mai Sanjoh, Shigehiro Hiki, Yan Lee, Makoto Oba, Kanjiro Miyata, Takehiko Ishii, Kazunori Kataoka*
    pDNA/poly(L-lysine) polyplexes functionalized with a pH-sensitive charge-conversional poly(aspartamide) derivative for controlled gene delivery to human umbilical vein endothelial cells
    Macromolecular Rapid Communications, 2010, 31(13), 1181-1186.
    DOI: 10.1002/marc.201000056
    Selected as a cover picture.
  64. Makoto Oba, Yelena Vachutinsky, Kanjiro Miyata, Mitsunobu R. Kano, Sorato Ikeda, Nobuhiro Nishiyama*, Keiji Itaka, Kohei Miyazono, Hiroyuki Koyama, Kazunori Kataoka*
    Antiangiogenic gene therapy of solid tumor by systemic injection of polyplex micelles loading plasmid DNA encoding soluble Flt-1
    Molecular Pharmaceutics, 2010, 7(2), 501-509.
    DOI: 10.1021/mp9002317
  65. Kanjiro Miyata, Noha Gouda, Hiroyasu Takemoto, Makoto Oba, Yan Lee, Hiroyuki Koyama, Yuichi Yamasaki, Keiji Itaka, Nobuhiro Nishiyama, Kazunori Kataoka*
    Enhanced transfection with silica-coated polyplexes loading plasmid DNA
    Biomaterials, 2010, 31(17), 4764-4770.
    DOI: 10.1016/j.biomaterials.2010.02.033
  66. Yasutaka Anraku, Akihiro Kishimura*, Makoto Oba, Yuichi Yamasaki, Kazunori Kataoka*
    Spontaneous formation of nano-sized uni-lamellar polyion complex vesicles (nano-PICsomes) with tunable size and properties
    Journal of the American Chemical Society, 2010, 132(5), 1631-1636.
    DOI: 10.1021/ja908350e
  67. Hideki Shimizu, Yuichi Hori, Shinya Kaname, Koei Yamada, Nobuhiro Nishiyama, Satoru Matsumoto, Kanjiro Miyata, Makoto Oba, Akira Yamada, Kazunori Kataoka, Toshiro Fujita*
    siRNA-based therapy for glomerulonephritis
    Journal of the American Society of Nephrology, 2010, 21(4), 622-633.
    DOI: 10.1681/ASN.2009030295
  68. Makoto Oba, Yosuke Demizu*, Nanako Yamagata, Yukiko Sato, Mitsunobu Doi, Masakazu Tanaka, Hiroshi Suemune, Haruhiro Okuda, Masaaki Kurihara*
    Solid-state conformation of diastereomeric -Pro-Pro-(Aib)4 sequences
    Tetrahedron, 2010, 66(13), 2293-2296.
    DOI: 10.1016/j.tet.2010.02.003
  69. Muri Han, Makoto Oba, Nobuhiro Nishiyama, Mitsunobu R. Kano, Shinae Kizaka-Kondoh, Kazunori Kataoka*
    Enhanced percolation and gene expression in tumor hypoxia by PEGylated polyplex micelles
    Molecular Therapy, 2009, 17(8), 1404-1410.
    DOI: 10.1038/mt.2009.119
  70. Satoru Matsumoto, R. James Christie, Nobuhiro Nishiyama, Kanjiro Miyata, Atsushi Ishii, Makoto Oba, Hiroyuki Koyama, Yuichi Yamasaki, Kazunori Kataoka*
    Environmental-responsive block copolymer micelles with a disulfide cross-linked core for enhanced siRNA delivery
    Biomacromolecules, 2009, 10(1), 119-127.
    DOI: 10.1021/bm800985e
  71. Kanjiro Miyata, Makoto Oba, Masataka Nakanishi, Shigeto Fukushima, Yuichi Yamasaki, Hiroyuki Koyama, Nobuhiro Nishiyama, Kazunori Kataoka*
    Polyplexes from poly(aspartamide) bearing 1,2-diaminoethane side chains induce pH-selective, endosomal membrane destabilization with amplified transfection and negligible cytotoxicity
    Journal of the American Chemical Society, 2008, 130(48), 16287-16294.
    DOI: 10.1021/ja804561g
  72. Makoto Oba, Kazuhiro Aoyagi, Kanjiro Miyata, Yu Matsumoto, Keiji Itaka, Nobuhiro Nishiyama, Yuichi Yamasaki, Hiroyuki Koyama, Kazunori Kataoka*
    Polyplex micelles with cyclic RGD peptide ligands and disulfide cross-links directing to the enhanced transfection via controlled intracellular trafficking
    Molecular Pharmaceutics, 2008, 5(6), 1080-1092.
    DOI: 10.1021/mp800070s
  73. Kanjiro Miyata, Makoto Oba, Mitsunobu R. Kano, Shigeto Fukushima, Yelena Vachutinsky, Muri Han, Hiroyuki Koyama, Kohei Miyazono, Nobuhiro Nishiyama, Kazunori Kataoka*
    Polyplex micelles from triblock copolymers composed of tandemly aligned segments with biocompatible, endosomal escaping, and DNA-condensing functions for systemic gene delivery to pancreatic tumor tissue
    Pharmaceutical Research, 2008, 25(12), 2924-2936.
    DOI: 10.1007/s11095-008-9720-2
    Selected as a cover picture.
  74. Yuko Fujihara, Hiroyuki Koyama*, Makoto Ohba, Yasuhiko Tabata, Hisako Fujihara, Yoshiyuki Yonehara, Tsuyoshi Takato
    Controlled delivery of bFGF to recipient bed enhances the vascularization and viability of an ischemic skin flap
    Wound Repair and Regeneration, 2008, 16(1), 125-131.
    DOI: 10.1111/j.1524-475X.2007.00339
  75. Yan Lee, Kanjiro Miyata, Makoto Oba, Takehiko Ishii, Shigeto Fukushima, Muri Han, Hiroyuki Koyama, Nobuhiro Nishiyama, Kazunori Kataoka*
    Charge-conversion ternary polyplex with endosome disruption moiety: a technique for efficient and safe gene delivery
    Angewandte Chemie International Edition, 2008, 47(28), 5163-5166.
    DOI: 10.1002/anie.200800963
  76. Seiji Takae, Kanjiro Miyata, Makoto Oba, Takehiko Ishii, Nobuhiro Nishiyama, Keiji Itaka, Yuichi Yamasaki, Hiroyuki Koyama, Kazunori Kataoka*
    PEG-detachable polyplex micelles based on disulfide-linked block catiomers as bioresponsive nonviral gene vectors
    Journal of the American Chemical Society, 2008, 130(18), 6001-6009.
    DOI: 10.1021/ja800336v
  77. Yoshihiro Yasuda, Hiroyuki Koyama*, Yasuhiko Tabata, Yuko Fujihara, Makoto Oba, Eiju Uchimura, Tsuyoshi Takato
    Controlled delivery of bFGF remodeled vascular network in muscle flap and increased perfusion capacity via minor pedicle
    Journal of Surgical Research, 2008, 147(1), 132-137.
    DOI: 10.1016/j.jss.2007.10.009
  78. Masataka Nakanishi, Joon-Sik Park, Woo-Dong Jang, Makoto Oba, Kazunori Kataoka*
    Study of quantitative aminolysis reaction of poly(β-benzyl L-aspartate) (PBLA) as a platform polymer for functionality materials
    Reactive & Functional Polymers, 2007, 67(11), 1361-1372.
    DOI: 10.1016/j.reactfunctpolym.2007.08.009
  79. Makoto Oba, Shigeto Fukushima, Naoki Kanayama, Kazuhiro Aoyagi, Nobuhiro Nishiyama, Hiroyuki Koyama, Kazunori Kataoka*
    Cyclic RGD peptide-conjugated polyplex micelles as a targetable gene delivery system directed to cells possessing αvβ3 and αvβ5 integrins
    Bioconjugate Chemistry, 2007, 18(5), 1415-1423.
    DOI: 10.1021/bc0700133
  80. Muri Han, Younsoo Bae, Nobuhiro Nishiyama, Kanjiro Miyata, Makoto Oba, Kazunori Kataoka*
    Transfection study using multicellular tumor spheroids for screening non-viral polymeric gene vectors with low cytotoxicity and high transfection efficiency
    Journal of Controlled Release, 2007, 121(1-2), 38-48.
    DOI: 10.1016/j.jconrel.2007.05.012
  81. Daisuke Akagi, Makoto Oba, Hiroyuki Koyama, Nobuhiro Nishiyama, Shigeto Fukushima, Tetsuro Miyata, Hirokazu Nagawa, Kazunori Kataoka*
    Biocompatible micellar nanovectors achieve efficient gene transfer to vascular lesions without cytotoxicity and thrombus formation
    Gene Therapy, 2007, 14(13), 1029-1038.
    DOI: 10.1038/sj.gt.3302945
  82. Makoto Oba, Masakazu Tanaka*, Yukiko Takano, Hiroshi Suemune*
    Concise synthesis strategy toward cyclic α,α-disubstituted α-amino acids bearing delta-nitrogen atom: chiral 1-substituted 4-aminopiperidine-4-carboxylic acids
    Tetrahedron, 2005, 61(3), 593-598.
    DOI: 10.1016/j.tet.2004.11.004
  83. Masakazu Tanaka*, Shin Nishimura, Makoto Oba, Yosuke Demizu, Masaaki Kurihara, Hiroshi Suemune*
    An extended planar C5 conformation and 310-helical structure of peptide foldamer consisted of diverse α-ethylated α,α-disubstituted α-amino acids
    Chemistry, A European Journal, 2003, 9(13), 3082-3090.
    DOI: 10.1002/chem.200204476
  84. Makoto Oba, Masakazu Tanaka*, Masaaki Kurihara, Hiroshi Suemune*
    Conformation of peptides containing a chiral α-ethylated α,α-disubstituted α-amino acid: (S)-α-ethylleucine (= (2S)-2-amino-2-ethyl-4-methylpentanoic acid) within sequence of dimethylglycine and diethylglycine residues
    Helvetica Chimica Acta, 2002, 85(10), 3197-3218.
    DOI: 10.1002/1522-2675(200210)85:10<3197::AID-HLCA3197>3.0.CO;2-Y
  85. Masakazu Tanaka*, Makoto Oba, Koichi Tamai, Hiroshi Suemune*
    Asymmetric synthesis of α,α-disubstituted α-amino acids using (S,S)-cyclohexane-1,2-diol as chiral auxiliary
    The Journal of Organic Chemistry, 2001, 66(8), 2667-2673.
    DOI: 10.1021/jo001423m
  86. Masakazu Tanaka*, Makoto Oba, Naoto Imawaka, Masaaki Kurihara, Hiroshi Suemune*
    Conformational study of heteropentapeptides containing an α-ethylated α,α-disubstituted amino acid: (S)-butylethylglycine (= 2-amino-2-ethylhexanoic acid) within a sequence of dimethylglycine (2-aminoisobutyric acid) residues
    Helvetica Chimica Acta, 2001, 84(1), 32-46.
    DOI: 10.1002/1522-2675(20010131)84:1<32::AID-HLCA32>3.0.CO;2-4
  87. Masakazu Tanaka*, Makoto Oba, Takaharu Ichiki, Hiroshi Suemune*
    Solid-state conformation of hybrid tripeptide between β-amino acid: 8-aminocyclooct-4-enecarboxylic acid and 2-aminoisobutyric acid
    Chemical & Pharmaceutical Bulletin, 2001, 49(9), 1178-1181.
    DOI: 10.1248/cpb.49.1178

Reviews

  1. Makoto Oba*
    Cell-penetrating peptide foldamers: Drug delivery tools
    ChemBioChem, 2019, 20(16), 2041-2045.
    DOI: 10.1002/cbic.201900204
  2. Makoto Oba*
    Study on development of polymeric micellar gene carrier and evaluation of its functionality
    Biological & Pharmaceutical Bulletin, 2013, 36(7), 1045-1051.
    DOI: 10.1248/bpb.b13-00287

Proceedings

  1. Hiroyuki Kobayashi, Takashi Misawa, Makoto Oba, Masakazu Tanaka, Mikihiko Naito, Kenji Matsuno, Yosuke Demizu, Development of cationic cell-penetrating peptides focused on their secondary structures, Peptide Science 2017, 2018, 98-99.
  2. Atsushi Ueda, Takuya Kasae, Makoto Oba, Mitsunobu Doi, Masakazu Tanaka, Synthesis of enantiomerically pure α-amino acids and conformational studies of their L-leucine-based peptides, Abstracts of Papers, 254th ACS National Meeting & Exposition, 2017, ORGN-119.
  3. Takashi Misawa, Yosuke Demizu, Hiroko Yamashita, Takuma Kato, Makoto Oba, Masakazu Tanaka, Masaaki Kurihara, Development of helix-stabilized amphiphatic cell-penetrating peptide using helical promoter, Peptide Science 2016, 2017, 11-12.
  4. Yu Fukushima, Takeshi Fuchigami, Hiromi Inoue, Natsumi Ishikawa, Sakura Yoshida, Makoto Oba, Morio Nakayama, Evaluation of cationic amphiphilic peptides as potential probes for cancer imaging, Peptide Science 2016, 2017, 117-118.
  5. Hiroko Yamashita, Yosuke Demizu, Takashi Misawa, Takayuki Hattori, Makoto Oba, Masakazu Tanaka, Mikihiko Naito, Masaaki Kurihara, Development of helix-stabilized cationic peptides with cell-membrane penetrating ability, Peptide Science 2015, 2016, 29-30.
  6. Yurie Koba, Atsushi Ueda, Makoto Oba, Mitsunobu Doi, Yosuke Demizu, Masaaki Kurihara, Masakazu Tanaka, Conformational analysis of peptides composed of chiral cyclic amino acids, Peptide Science 2015, 2016, 145-146.
  7. Hiroko Yamashita, Yosuke Demizu, Takashi Misawa, Makoto Oba, Masakazu Tanaka, Masaaki Kurihara, Development of stabilized short helical peptides with cell-membrane penetrating ability, Peptide Science 2014, 2015, 149-150.
  8. Ryo Eto, Makoto Oba, Atsushi Ueda, Naoko Ishikawa, Masaaki Kurihara, Yosuke Demizu, Hiroshi Suemune, Mitsunobu Doi, Masakazu Tanaka, Synthesis and conformational analysis of helical oligomers with a changeable chiral acetal moiety, Peptide Science 2014, 2015217-218.
  9. Yosuke Demizu, Hiroko Yamashita, Yukiko Sato, Mitsunobu Doi, Makoto Oba, Masakazu Tanaka, Masaaki Kurihara, Helical screw-sense control of LD-peptides containing equal amounts of L- and D-amino acids, Peptide Science 2013, 2014, 271-272.
  10. Ai Imanishi, Makoto Oba, Yosuke Demizu, Masaaki Kurihara, Mitsunobu Takazaki, Hiroshi Suemune, Masakazu Tanaka, Synthesis of chiral five-membered ring amino acids with an azido group, and their peptides, Peptide Science 2012, 2013, 131-132.
  11. Ikumi Kato, Makoto Oba, Masaaki Kurihara, Yukiko Takano, Masakazu Tanaka, Synthesis of cyclic α,α-disubstituted amino acids bearing a pendent chiral center, Peptide Science 2012, 2013, 129-130.
  12. Tomomi Hanada, Takuma Kato, Emi Ikeda, Yosuke Demizu, Masaaki Kurihara, Mitsunobu Doi, Yuko Tsuda, Makoto Fukudome, Makoto Oba, Masakazu Tanaka, Design and synthesis of conformational freedom restricted endomorphin-2 analogues, Peptide Science 2011, 2012, 103-104.
  13. Yoko Hirata, Makoto Oba, Makoto Fukudome, Yosuke Demizu, Masaaki Kurihara, Mitsunobu Doi, Masakazu Tanaka, Synthesis and conformational analysis of peptides composed of chiral five-membered ring amino acids, Peptide Science 2011, 2012, 101-102.
  14. Kanjiro Miyata, Takahiro Nomoto, Hiroyasu Takemoto, Hyun Jin Kim, Yu Matsumoto, Makoto Oba, Nobuhiro Nishiyama, Kazunori Kataoka, Development of advanced polymer-based nanodevices for nucleic acids delivery, Abstracts of Papers, 240th ACS National Meeting, 2010, PMSE-178.
  15. Nanako Yamagata, Yosuke Demizu, Yukiko Sato, Makoto Oba, Masakazu Tanaka, Mitsunobu Doi, Kazuo Nagasawa, Hiroshi Suemune, Haruhiro Okuda, Masaaki Kurihara, Controlling the helical screw sense of peptide by N-terminal proline, Peptide Science 2009, 2010, 383-384.
  16. Daisuke Akagi, Makoto Oba, Hiroyuki Koyama, Nobuhiro Nishiyama, Shigeto Fukushima, Tetsuro Miyata, Hirokazu Nagawa, Kazunori Kataoka, Biocompatible micellar nanovectors achieve efficient gene transfer to vascular lesions without cytotoxicity and thrombus formation, Journal of Gene Medicine, 2008, 10(4), 474.
  17. Hiroshi Suemune, Makoto Oba, Yukiko Takano, Masakazu Tanaka, Design and synthesis of cyclic α,α-disubstituted α-amino acids: 1-substituted 4-aminopiperidine-4-carboxylic acids, Peptides 2004, 2005, 275-276.
  18. Masaaki Kurihara, Haruhiko Okuda, Makoto Oba, Yosuke Demizu, Masakazu Tanaka, Hiroshi Suemune, Prediction of helical screw sense of oligopeptides containing chiral α,α-disubstituted α-amino acids: computational study, Peptides 2004, 2005, 1027-1028.
  19. Masakazu Tanaka, Yosuke Demizu, Kosuke Anan, Naomi Kawabe, Yukiko Takano, Makoto Oba, Tokumi Maruyama, Mitsunobu Doi, Hiroshi Suemune, Relationship between α-amino acid chiral center and helical secondary structure of its oligopeptides, Peptide Science 2004, 2005, 45-46.
  20. Masaaki Kurihara, Yukiko Sato, Wataru Hakamata, Haruhiko Okuda, Yosuke Demizu, Kosuke Anan, Yukiko Takano, Makoto Oba, Mitsunobu Doi, Masakazu Tanaka, Hiroshi Suemune, Computational study on conformation of oligopeptides controlled by side chain chiralities of α-amino acids, Peptide Science 2004, 2005, 297-298.
  21. Yukiko Takano, Makoto Oba, Masakazu Tanaka, Hiroshi Suemune, Synthesis of cyclic α,α-disubstituted amino acids bearing a delta-nitrogen atom, Peptide Science 2003, 2004, 137-138.
  22. Makoto Oba, Masakazu Tanaka, Hiroshi Suemune, Yukiko Sato, Masaaki Kurihara, Controlling the secondary structure of Aib peptides by N-terminal proline, Peptide Science 2003, 2004, 397-398.
  23. Masaaki Kurihara, Yukiko Sato, Satoshi Nomoto, Haruhiko Okuda, Makoto Oba, Yosuke Demizu, Masakazu Tanaka, Hiroshi Suemune, Prediction of screw sense of oligopeptides containing chiral amino acids: computational study, Peptide Science 2003, 2004, 411-412.
  24. Makoto Oba, Masakazu Tanaka, Masaaki Kurihara, Hiroshi Suemune, Conformational study of peptides containing (S)-ethylleucine as a chiral α,α-disubstituted amino acid, Peptides 2002, 2003, 242-243.
  25. Masaaki Kurihara, Masakazu Tanaka, Makoto Oba, Hiroshi Suemune, Computational study on conformation of oligopeptides containing chiral α,α-disubstituted amino acids, Peptides 2002, 2003, 786-787.
  26. Masakazu Tanaka, Shin Nishimura, Makoto Oba, Yosuke Demizu, Masaaki Kurihara, Hiroshi Suemune, Conformational study of heteropeptide prepared from chiral α-ethylated α,α-disubstituted α-amino acids, Peptides 2002, 2003, 902-903.
  27. Masaaki Kurihara, Yukiko Sato, Akari Matsuzaki, Masakazu Tanaka, Makoto Oba, Yosuke Demizu, Hiroshi Suemune, Haruhiro Okuda, Prediction of helical screw sense of oligopeptides containing chiral α,α-disubstituted amino acids, Peptide Science 2002, 2003, 323-324.
  28. Masakazu Tanaka, Makoto Oba, Masaaki Kurihara, Yosuke Demizu, Shin Nishimura, Kazuhiro Hayashida, Hiroshi Suemune, Asymmetric synthesis and conformational analysis of α,α-disubstituted α-amino acids and their peptides, Peptide Science 2001, 2002, 263-266.
  29. Masaaki Kurihara, Masakazu Tanaka, Makoto Oba, Hiroshi Suemune, Naoki Miyata, Conformation of oligopeptides containing chiral α,α-disubstituted amino acids: computational study, Peptide Science 2001, 2002, 287-288.
  30. Masakazu Tanaka, Naoto Imawaka, Makoto Oba, Masaaki Kurihara, Hiroshi Suemune, Conformational study of peptides containing α-ethylated α,α-disubstituted amino acid, Peptides 2000, 2001, 441-442.
  31. Masaaki Kurihara, Masakazu Tanaka, Makoto Oba, Hiroshi Suemune, Naoki Miyata, Computational study on conformation of oligopeptides prepared from α,α-disubstituted amino acids, Peptides 2000, 2001, 427-428.

Invited Lectures

  1. Makoto Oba, Development of cell-penetrating peptide foldamers as drug delivery tools, The 5th Japan-Taiwan Joint Symposium for Pharmaceutical Sciences (Taipei City, August 30th, 2019)
  2. Makoto Oba, Structure and function of peptide foldamers containing unnatural amino acids, Biomacromolecular RIKEN Seminar (Wako, January 23rd, 2019)
  3. Makoto Oba, Masakazu Tanaka, Cell-penetrating peptide foldamers for drug delivery system, 10th International Peptide Symposium (Kyoto, December 6th, 2018)
  4. Makoto Oba, Anti-angiogenic pancreatic cancer gene therapy using polyplex micelle, CMSI Students Seminar (Tokyo, May 1st, 2009)
  5. Makoto Oba, Polyplex micelle for plasmid DNA delivery, Workshop in Jilin University (Changchun, April 9th, 2009)
  6. Makoto Oba, Anti-angiogenic gene therapy for pancreatic cancer by systemic administration of polyplex micelles, GCOE student’s workshop: Polyplex systems for gene and siRNA delivery (Tokyo, November 19th, 2008)