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Tropism of AAV vectors in adult mammalian inner ear subtypes

Research Project

Project/Area Number 19K18727
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 56050:Otorhinolaryngology-related
Research InstitutionShinshu University

Principal Investigator

Yoshimura Hidekane  信州大学, 学術研究院医学系(医学部附属病院), 講師 (10612997)

Project Period (FY) 2019-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2022: ¥130,000 (Direct Cost: ¥100,000、Indirect Cost: ¥30,000)
Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2019: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords遺伝性難聴 / 遺伝子治療 / アデノ随伴ウイルスベクター / 難聴 / モデルマウス
Outline of Research at the Start

近年、難聴モデルマウス(幼若マウス)を用いた遺伝子治療に関する実験において一定の治療効果が報告されてきたが、ヒトは出生時点で内耳は成熟しており、臨床応用を考えた場合、内耳が成熟した状態の成体マウスを対象とした研究成果が次の課題とされている。研究代表者は先行研究として成体マウス内耳にアデノ随伴ウイルスベクター(AAV)を安全にかつ効率的に導入する方法を確立している。またAAVはセロタイプによって標的となる細胞が異なることが知られている。様々なセロタイプのAAVを内耳に導入し、それぞれの特性を明らかにし、今後の難聴モデル成体マウスを用いた遺伝子治療の実験に向けての礎を築くことを目的としている。

Outline of Final Research Achievements

Gene delivery is a key component for the treatment of genetic hearing loss. To date, a myriad of adeno-associated virus (AAV) serotypes and surgical approaches have been employed to deliver transgenes to cochlear hair cells. Herein, we investigated cellular tropism of single injections of AAV serotype 1 (AAV1), AAV2, AAV8, AAV9. We used
the combined round window membrane and canal fenestration (RWM+CF) injection technique for vector delivery. Single AAV2 injections were most robust and transduced
96.7% ± 1.1% of inner hair cells (IHCs) and 83.9% ± 2.0% of outer hair cells (OHCs) throughout the cochlea without causing hearing impairment or hair cell loss.RWM+CF-injected AAV2 provides the highest auditory hair cell transduction efficiency of the AAV serotypes we studied. These findings broaden the application of cochlear gene therapy targeting hair cells.

Academic Significance and Societal Importance of the Research Achievements

我々の研究により遺伝性難聴の原因の2/3以上を占めるとされる有毛細胞へ効率的に遺伝子導入を実現できるセロタイプが特定され、遺伝子治療研究において非常に有意義な結果であったと考えられた。

Report

(5 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (38 results)

All 2022 2021 2020 2019

All Journal Article (13 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 9 results,  Open Access: 4 results) Presentation (25 results) (of which Int'l Joint Research: 9 results,  Invited: 6 results)

  • [Journal Article] Audiological Features in 63 Patients With Cochlear Nerve Deficiency2022

    • Author(s)
      Matsuura Kazuki、Yoshimura Hidekane、Shinagawa Jun、Kurozumi Masahiro、Takumi Yutaka
    • Journal Title

      Otology & Neurotology

      Volume: 43 Issue: 1 Pages: 23-28

    • DOI

      10.1097/mao.0000000000003365

    • Related Report
      2022 Annual Research Report 2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Clinical and molecular features of patients with <scp> <i>COL1</i> </scp> ‐related disorders: Implications for the wider spectrum and the risk of vascular complications2022

    • Author(s)
      Takeda Ryojun、Yamaguchi Tomomi、Hayashi Shujiro、Sano Shinichirou、Kawame Hiroshi、Kanki Sachiko、Taketani Takeshi、Yoshimura Hidekane、Nakamura Yukio、Kosho Tomoki
    • Journal Title

      American Journal of Medical Genetics Part A

      Volume: 188 Issue: 9 Pages: 2560-2575

    • DOI

      10.1002/ajmg.a.62887

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Mutation-agnostic RNA interference with engineered replacement rescues<i>Tmc1</i>-related hearing loss2022

    • Author(s)
      Iwasa Yoichiro、Klimara Miles J、Yoshimura Hidekane、Walls William D、Omichi Ryotaro、West Cody A、Shibata Seiji B、Ranum Paul T、Smith Richard JH
    • Journal Title

      Life Science Alliance

      Volume: 6 Issue: 3 Pages: e202201592-e202201592

    • DOI

      10.26508/lsa.202201592

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Correction to: Detailed clinical features and genotype?phenotype correlation in an OTOF-related hearing loss cohort in Japan2021

    • Author(s)
      Iwasa Yoh-ichiro、Nishio Shin-ya、Yoshimura Hidekane、Sugaya Akiko et al.
    • Journal Title

      Human Genetics

      Volume: 141 Issue: 3-4 Pages: 993-995

    • DOI

      10.1007/s00439-021-02392-y

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] A nationwide epidemiologic, clinical, genetic study of Usher syndrome in Japan2021

    • Author(s)
      Yoshimura Hidekane、Nishio Shin-ya、Isaka Yuichi、Kurokawa Toru、Usami Shin-ichi、The Interactable Hearing Disorder Consortium
    • Journal Title

      Acta Oto-Laryngologica

      Volume: 141 Issue: 9 Pages: 841-846

    • DOI

      10.1080/00016489.2021.1966500

    • Related Report
      2021 Research-status Report
  • [Journal Article] Frequency and natural course of congenital cytomegalovirus-associated hearing loss in children2021

    • Author(s)
      Kasuga Mariko、Yoshimura Hidekane、Shinagawa Jun、Nishio Shin-ya、Takumi Yutaka、Usami Shin-ichi
    • Journal Title

      Acta Oto-Laryngologica

      Volume: 141 Issue: 12 Pages: 1038-1043

    • DOI

      10.1080/00016489.2021.2000638

    • Related Report
      2021 Research-status Report
  • [Journal Article] Vibrant soundbridge implantation prior to auricular reconstruction with unilateral microtia‐atresia2021

    • Author(s)
      Yoshimura Hidekane、Takahashi Masahiro、Iwasaki Satoshi、Shinagawa Jun、Takashimizu Ikkei、Nagai Fumio、Yotsuyanagi Takatoshi、Usami Shin‐ichi
    • Journal Title

      Clinical Case Reports

      Volume: 9 Issue: 8

    • DOI

      10.1002/ccr3.4408

    • Related Report
      2021 Research-status Report
  • [Journal Article] Milestones toward cochlear gene therapy for patients with hereditary hearing loss2021

    • Author(s)
      Yoshimura Hidekane、Nishio Shin‐Ya、Usami Shin‐Ichi
    • Journal Title

      Laryngoscope Investigative Otolaryngology

      Volume: 6 Issue: 5 Pages: 958-967

    • DOI

      10.1002/lio2.633

    • Related Report
      2021 Research-status Report
  • [Journal Article] A comparative analysis of genetic hearing loss phenotypes in European/American and Japanese populations.2020

    • Author(s)
      Walls WD, Moteki H, Thomas TR, Nishio SY, Yoshimura H, Iwasa Y, et al
    • Journal Title

      Hum Genet

      Volume: NA Issue: 10 Pages: 1315-1323

    • DOI

      10.1007/s00439-020-02174-y

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Electric-acoustic stimulation with longer electrodes for potential deterioration in low-frequency hearing2020

    • Author(s)
      Yoshimura Hidekane、Moteki Hideaki、Nishio Shin-ya、Usami Shin-ichi
    • Journal Title

      Acta Oto-Laryngologica

      Volume: 140 Issue: 8 Pages: 624-630

    • DOI

      10.1080/00016489.2020.1760351

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Hair Cell Transduction Efficiency of Single- and Dual-AAV Serotypes in Adult Murine Cochleae2020

    • Author(s)
      Omichi Ryotaro、Yoshimura Hidekane、Shibata Seiji B.、Vandenberghe Luk H.、Smith Richard J.H.
    • Journal Title

      Molecular Therapy - Methods & Clinical Development

      Volume: 17 Pages: 1167-1177

    • DOI

      10.1016/j.omtm.2020.05.007

    • NAID

      120006869551

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Cochlear Implantation From the Perspective of Genetic Background.2020

    • Author(s)
      Usami SI, Nishio SY, Moteki H, Miyagawa M, Yoshimura H.
    • Journal Title

      Anat Rec.

      Volume: 303 Issue: 3 Pages: 563-593

    • DOI

      10.1002/ar.24360

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Genetic testing has the potential to impact hearing preservation following cochlear implantation2020

    • Author(s)
      Yoshimura Hidekane、Moteki Hideaki、Nishio Shin-ya、Miyajima Hiroki、Miyagawa Maiko、Usami Shin-ichi
    • Journal Title

      Acta Oto-Laryngologica

      Volume: 5 Issue: 6 Pages: 1-7

    • DOI

      10.1080/00016489.2020.1730439

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] How do we select the proper array length for patients with high-frequency hearing loss?2022

    • Author(s)
      Hidekane Yoshimura, Yutaka Takumi, Shin-ichi Usami
    • Organizer
      7th East Asian Symposium on Otology
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Milestone toward cochlear gene therapy for patients with hereditary hearing loss2022

    • Author(s)
      Hidekane Yoshimura, Yutaka Takumi, Shin-ichi Usami
    • Organizer
      7th East Asian Symposium on Otology
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] EAS with longer electrodes2022

    • Author(s)
      Hidekane Yoshimura, Yutaka Takumi, Shin-ichi Usami
    • Organizer
      18th Japan-Korea Joint Meeting of Otorhinolaryngology - Head and Neck Surgery
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 新生児120,823人を対象とした先天性難聴児の疫学調査2022

    • Author(s)
      吉村豪兼、大久保卓哉、品川 潤、工 穣、宇佐美 真一
    • Organizer
      第123回 日本耳鼻咽喉科頭頸部外科学会
    • Related Report
      2022 Annual Research Report
  • [Presentation] EAS 手術時の術中蝸電図モニタリングの有用性と限界2022

    • Author(s)
      吉村豪兼、品川潤、權田綾子、工 穣、宇佐美真一
    • Organizer
      第67回 日本聴覚医学会総会・学術研究会
    • Related Report
      2022 Annual Research Report
  • [Presentation] マウス内耳へのサイズの大きい遺伝子導入を可能にするTriple AAV approach2022

    • Author(s)
      吉村豪兼, 工 穣
    • Organizer
      第32回 日本耳科学会総会・学術講演会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 成体マウスにおける前庭解剖と免疫染色のためのホールマウント標本作製2022

    • Author(s)
      吉村豪兼, 工 穣
    • Organizer
      第81回日本めまい平衡医学会総会・学術講演会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Enhanced cochlear transgene delivery in adult mice - toward the investigation of gene therapy for hearing loss2022

    • Author(s)
      Hidekane Yoshimura, Ryotaro Omichi, Seiji B. Shibata, Richard JH Smith, Yutaka Takumi
    • Organizer
      The 4th World Congress on Endoscopic Ear
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 遺伝子治療実験のためのマウス内耳解剖とホールマウント作製2022

    • Author(s)
      吉村豪兼、大道亮太郎、岩佐陽一郎、工 穣、宇佐美真一
    • Organizer
      第122回 日本耳鼻咽喉科学会総会・学術講演会
    • Related Report
      2021 Research-status Report
  • [Presentation] 成体マウスを用いた内耳研究のための解剖・手技2022

    • Author(s)
      吉村 豪兼
    • Organizer
      第31回 日本耳科学会学術講演会
    • Related Report
      2021 Research-status Report
  • [Presentation] 遺伝性難聴モデルとしてのC57BL/6マウスの検証2022

    • Author(s)
      吉村 豪兼, 西尾 信哉, 宇佐美 真一, 工 穣
    • Organizer
      第31回 日本耳科学会学術講演会
    • Related Report
      2021 Research-status Report
  • [Presentation] 原因遺伝子解析に基づいた若年発症型両側性感音難聴の診断意義2022

    • Author(s)
      吉村 豪兼, 品川 潤, 西尾 信哉, 宇佐美 真一, 工 穣
    • Organizer
      第66回 日本聴覚医学会
    • Related Report
      2021 Research-status Report
  • [Presentation] Genetic testing has the potential to impact hearing preservation following cochlear implantation2020

    • Author(s)
      Hidekane Yoshimura
    • Organizer
      第30回 日本耳科学会学術講演会
    • Related Report
      2020 Research-status Report
  • [Presentation] EASに学ぶ低侵襲人工内耳手術と周術期管理2020

    • Author(s)
      吉村 豪兼
    • Organizer
      第30回 日本耳科学会学術講演会
    • Related Report
      2020 Research-status Report
  • [Presentation] Pendred症候群に対する遺伝子治療の可能性2020

    • Author(s)
      吉村 豪兼
    • Organizer
      第30回 日本耳科学会学術講演会
    • Related Report
      2020 Research-status Report
  • [Presentation] 後ろ向きコホート研究に基づく症候群性難聴の原因遺伝子解析2020

    • Author(s)
      吉村豪兼、宇佐美真一
    • Organizer
      第81回 耳鼻咽喉科臨床学会
    • Related Report
      2020 Research-status Report
  • [Presentation] RNA干渉を用いた成体難聴モデルマウスに対する遺伝子治療2019

    • Author(s)
      吉村 豪兼, 柴田 清児ブルース, 茂木 英明, 宇佐美 真一
    • Organizer
      第120回 日本耳鼻咽喉科学会総会・学術講演会
    • Related Report
      2019 Research-status Report
  • [Presentation] Combined Cochlear Implantation and Mastoid Obliteration using Temporoparietal Fascial Flap: A case report2019

    • Author(s)
      Hidekane Yoshimura, Hideaki Moteki, Hiroki Miyajima, Shin-ichi Usami
    • Organizer
      1st International Joint Conference on Otology
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Combined Cochlear Implantation and Mastoid Obliteration using Temporoparietal Fascial Flap: A case report2019

    • Author(s)
      Hidekane Yoshimura, Hideaki Moteki, Hiroki Miyajima, Shin-ichi Usami
    • Organizer
      HEARING IMPLANT WORKSHOP
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] 側頭頭頂筋膜弁による外耳道後壁再建を併用した人工内耳植込術例2019

    • Author(s)
      吉村豪兼、茂木英明、宮嶋宏樹、宇佐美真一
    • Organizer
      第81回 耳鼻臨床学会
    • Related Report
      2019 Research-status Report
  • [Presentation] 遅発性難聴患者の原因遺伝子解析2019

    • Author(s)
      吉村豪兼、森健太郎、北野友裕、岡晋一郎、品川潤、横田陽、 宮嶋宏樹、井坂友一、西尾信哉、茂木英明、宇佐美真一
    • Organizer
      第29回 日本耳科学会
    • Related Report
      2019 Research-status Report
  • [Presentation] EAS 手術時の蝸牛マイクロホン電位測定による術中モニタリング2019

    • Author(s)
      吉村豪兼、茂木英明、安川梨香、横田修、宇佐美真一
    • Organizer
      第64回 日本聴覚医学会
    • Related Report
      2019 Research-status Report
  • [Presentation] EAS using longer electrodes2019

    • Author(s)
      Hidekane Yoshimura, Hideaki Moteki, Shin-ya Nishio, Shin-ichi Usami
    • Organizer
      XVIII HSP workshop
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Simultaneous vs. Sequential Bilateral Cochlear Implantation in Children2019

    • Author(s)
      Hidekane Yoshimura, Hideaki Moteki, Shin-ya Nishio, Maiko Miyagawa, Shin-ichi Usami
    • Organizer
      APSCI2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Assessment of Factors Influencing Residual Hearing Preservation in Cochlear Implantation2019

    • Author(s)
      Hidekane Yoshimura, Hideaki Moteki, Shin-ya Nishio, Maiko Miyagawa, Shin-ichi Usami
    • Organizer
      APSCI2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited

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Published: 2019-04-18   Modified: 2024-01-30  

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