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    Both PRPF31 and PRPH2 are the causative genes for retinitis pigmentosa. And both of them are associated with the balance of rhodopsin. In this study, we aim to investigate the co-expression and interaction of PRPF31 and PRPH2. We used PRPF31-eGFP, PRPF31-3xFlag and PRPH2-mCherry vectors were transfected into HEK293T and APRE-19 cells. Immunoblotting and co-immunoprecipitation (Co-IP) were used for gene expression validation and protein interaction. Immunofluorescence staining assay was used to test the co-localization analysis of PRPF31 and PRPH2. Co-IP experiments showed that PRPF31 could be pulled down with an anti-PRPH2 antibody. There was co-localization between PRPF31 and PRPH2 in HEK293T, APRE-19 and mouse retina. The Co-IP and co-localization experiments suggest that PRPF31 interacted with PRPH2. Copyright © 2022 Elsevier Inc. All rights reserved.


    Xiaoqiang Xiao, Fangyi Ling, Chong-Bo Chen, Jiajian Liang, Yingjie Cao, Yanxuan Xu, Haoyu Chen. PRPF31 interacts with PRPH2 confirmed by co-immunoprecipitation and co-localization. Biochemical and biophysical research communications. 2022 Nov 12;629:12-16

    PMID: 36088804

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