scCOOL-seq Reveals the Dynamic Epigenome of Human Adult Spermatogenesis
Release date:
2022-04-15
Description:
Stepwise and sequential cell fate transition accomplished by global transcriptional changes occurs across human spermatogenesis, but the epigenome roadmap and regulatory networks underlying this process have not been established. Here, we explore a single-cell multi-omics landscape of human adult testicular cells using the single-cell chromatin overall omic-scale landscape sequencing (scCOOL-seq) technique, deriving an unbiased multi-omics reference map of human adult spermatogenesis. The initial commitment to meiosis coincides with a novel dramatic DNA demethylation process in non-coding regions that highly overlapped with crossover and double strand break (DSB) hotspots. Chromatin accessibility mainly accounts for the global expression dynamics in human spermatogenesis. Further studies identify the cis- regulatory elements of several key regulators such as STRA8, ID3, HMGA1 and TEX29 in human spermatogenesis.
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