812-Androgen Activity and Male Bias in PFA Ependymoma
This research identifies androgen signaling as the primary driver behind the increased frequency and severity of posterior fossa type A (PFA) ependymoma in male children. By analyzing single-cell RNA sequencing data from both human tumors and developing mouse hindbrains, scientists discovered that male gliogenic progenitors remain in a less differentiated, more stem-like state compared to those in females. This developmental delay, fueled specifically by testosterone rather than sex chromosomes, creates a larger window for cancerous transformation and promotes aggressive tumor growth…
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