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Direct modification of spermatogonial stem cells using lentivirus vectors in vivo leads to efficient generation of transgenic rats.


ABSTRACT: Spermatogonial stem cells (SSCs) transmit genetic information to the next progeny in males. Thus, SSCs are a potential target for germline modifications to generate transgenic animals. In this study, we report a technique for the generation of transgenic rats by in vivo manipulation of SSCs with a high success rate. SSCs in juvenile rats were transduced in vivo with high titers of lentivirus harboring enhanced green fluorescent protein and mated with wild-type females to create founder rats. These founder rats expressed the transgene and passed on the transgene with an overall success rate of 50.0%. Subsequent generations of progeny from the founder rats both expressed and passed on the transgene. Thus, direct modification of SSCs in juvenile rats is an effective means of generating transgenic rats through the male germline. This technology could be adapted to larger animals, in which existing methods for gene modification are inadequate or inapplicable, resulting in the generation of transgenic animals in a variety of species.

SUBMITTER: Kim BJ 

PROVIDER: S-EPMC6413556 | biostudies-literature | 2019 Mar-Apr

REPOSITORIES: biostudies-literature

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Direct modification of spermatogonial stem cells using lentivirus vectors <i>in vivo</i> leads to efficient generation of transgenic rats.

Kim Bang-Jin BJ   Kim Yong-Hee YH   Oh Myeong-Geun MG   Kim Ki-Jung KJ   Jung Sang-Eun SE   Jin Ju-Hee JH   Kim Sun-Uk SU   Min Kwan-Sik KS   Ryu Buom-Yong BY  

Asian journal of andrology 20190301 2


Spermatogonial stem cells (SSCs) transmit genetic information to the next progeny in males. Thus, SSCs are a potential target for germline modifications to generate transgenic animals. In this study, we report a technique for the generation of transgenic rats by in vivo manipulation of SSCs with a high success rate. SSCs in juvenile rats were transduced in vivo with high titers of lentivirus harboring enhanced green fluorescent protein and mated with wild-type females to create founder rats. The  ...[more]

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