Transcriptomics

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RNA sequencing analysis of isoginkgetin and thapsigargin treated HCT116 and HCT116 ATF4 deficient cells


ABSTRACT: Activating transcription factor 4 (ATF4) is activated during cellular stress through a pathway called the integrated stress response (ISR). We had previously reported that the splicing inhibitor isoginkgetin (IGG) activates ATF4 and ATF4-dependent transcripts. To determine the role of ATF4 in the transcriptional response to IGG, we used tandem CRISPR cas9 gene editing to create an ATF4 deficient HCT116 (colon cancer) cell line. We completed RNA sequencing on HCT116 parental and HCT116 ATF4 deficient cells treated with IGG, and thapsigargin (Tg), a positive control for ATF4 activation. We found that IGG led to the differential expression of 76 transcripts, and 58 of these were dependent on ATF4. Tg led to a far more robust transcriptional response, which appeared to be less ATF4 dependent.

ORGANISM(S): Homo sapiens

PROVIDER: GSE249009 | GEO | 2024/10/09

REPOSITORIES: GEO

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