GEO series
An aberrant resurrection of endogenous retrovirus prompts acute myocarditis and heart failure
GSE274895
Mus musculus
Expression profiling by high throughput sequencing; Genome binding/occupancy profiling by high throughput sequencing; Methylation profiling by high throughput sequencing
19 samples
2025/08/20
GPL24247
Summary
The abberant resurgence of which have been recently found to link to some critical pathologies. To evaluate the occurrence and role of ERV resurrgenece in heart and heart failure (HF), we conducted heart total RNA-seq analysis from mice ischemia-reperfusion (I/R) heart failure models and found that ERVs were activated which is similar in various cross-species models of heart failure. To explore the mechanism of ERVs resurgence we profiled trimethylation at lysine 9 of histone H3 (H3K9me3) ChIP- and MeRIP-seq of cardiomyocytes specific TRIM28 knockout mice heart. The deprivation of TRIM28 in the mouse myocardium attenuated the epigenetic surveillance of H3K9me3 and N6-methyladenosine (m6A), and revived the ERVs, which consequently activated the intracellular antiviral innate immune pathways of TLR7-9 and NF-kappaB and lead to the myocarditis and acute heart failure.
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