| Literature DB >> 28798043 |
Dong Niu1,2, Hong-Jiang Wei3,4, Lin Lin5, Haydy George1, Tao Wang1, I-Hsiu Lee1, Hong-Ye Zhao3, Yong Wang6, Yinan Kan1, Ellen Shrock7, Emal Lesha1, Gang Wang1, Yonglun Luo5, Yubo Qing3,4, Deling Jiao3,4, Heng Zhao3,4, Xiaoyang Zhou6, Shouqi Wang8, Hong Wei6, Marc Güell1, George M Church1,7,9, Luhan Yang10.
Abstract
Xenotransplantation is a promising strategy to alleviate the shortage of organs for human transplantation. In addition to the concerns about pig-to-human immunological compatibility, the risk of cross-species transmission of porcine endogenous retroviruses (PERVs) has impeded the clinical application of this approach. We previously demonstrated the feasibility of inactivating PERV activity in an immortalized pig cell line. We now confirm that PERVs infect human cells, and we observe the horizontal transfer of PERVs among human cells. Using CRISPR-Cas9, we inactivated all of the PERVs in a porcine primary cell line and generated PERV-inactivated pigs via somatic cell nuclear transfer. Our study highlights the value of PERV inactivation to prevent cross-species viral transmission and demonstrates the successful production of PERV-inactivated animals to address the safety concern in clinical xenotransplantation.Entities:
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Year: 2017 PMID: 28798043 PMCID: PMC5813284 DOI: 10.1126/science.aan4187
Source DB: PubMed Journal: Science ISSN: 0036-8075 Impact factor: 47.728