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2019 Fiscal Year Final Research Report

Avian transgenic technology against influenza

Research Project

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Project/Area Number 16H04574
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Biofunction/Bioprocess
Research InstitutionNagoya University

Principal Investigator

Nishijima Ken-ichi  名古屋大学, 工学研究科, 准教授 (10262891)

Co-Investigator(Kenkyū-buntansha) 小野 悦郎  九州大学, 医学研究院, 教授 (00160903)
Project Period (FY) 2016-04-01 – 2020-03-31
Keywordsニワトリ / 生殖細胞 / ゲノム編集 / ウイルス
Outline of Final Research Achievements

It was shown that chicken IFITM10 slightly reduced the infectivity of VSV-G-pseudotyped virus. In addition, overexpression of Muc13, of which gene size is below the limit to construct an expression vector, did not prevent infectivity of VSV-G-pseudotyped virus. Thus, expression system for large size mucin is under construction.
We examined the gene transfer and genome editing conditions suitable for the long-term cultured primordial germ cells. Using CRISPR/Cas9, we succeeded in producing a genome-edited chicken in which the EGFP gene was knocked in.

Free Research Field

動物細胞工学

Academic Significance and Societal Importance of the Research Achievements

本研究では、長期培養した始原生殖細胞を用いることにより、ゲノム編集を含めたニワトリの遺伝子改変を効率よく行えることが示された。一方、抗ウイルス活性が期待できる遺伝子候補の解析を進めつつあり、これらを融合してニワトリでのインフルエンザ流行抑制技術へつなげてゆくことが期待できる。逆に、ウイルス感受性が特に高いニワトリを作製し、侵入したばかりのウイルスを感度良く検出するために利用するなども期待できる。

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Published: 2021-02-19  

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