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Generation of a TLR2 homozygous knockout human embryonic stem cell line WAe001-A-64 using CRISPR/Cas9 editing
Anteneh Getachew1, Zhen Yang1, Xinping Huang1
1Institute of Public Health, Guangzhou Institute of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; University of China Academy of Sciences, Beijing 100049, China; Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Biocomputing, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China.
Abstract:
Toll-like receptor 2 (TLR2) is a pattern recognition receptor which plays an important role in innate immune system. In humans it's encoded by the TLR2 gene and also been designated as CD282. Using CRISPR/Cas9 gene editing technology, we have established a TLR2 mutant WAe001-A-64 cell line from the original embryonic stem cell line H1. It has adopted two biallelic deletions in exon 3 of TLR2 which resulted in a frame shift and early termination in the translation of TLR2. Moreover, WAe001-A-64 has maintained the normal karyotype, pluripotent phenotype, parental cell morphology and the ability to differentiate into three germ layers.
