November 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” This study in live mice suggests that hair follicle regression involves apoptosis propagation towards stem cells, potentially slowed by a protective signal from the stem cells themselves.
October 2023 in “Oncotarget” In this study using live mice, researchers observed that during hair follicle regression, apoptosis in basal cells may propagate by triggering neighboring cells, potentially regulated by a gradient of pro-survival signals from stem cells, and proposed a testable mechanism to further explore this process.
March 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” This study identified the dermal sheath as a driver of hair follicle regression through muscle contraction, essential for reuniting niches and stem cells to regenerate tissue structure during homeostasis.
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January 2018 in “PubMed” This study in Tehran found that, after adjusting for confounders, women with PCOS had no different risk of non-pregnancy after assisted reproductive treatment compared to women without PCOS.
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February 2006 in “Journal of Cell Science” This article reviews the stages and regulation of the hair cycle, highlighting molecular regulators involved, but it does not present new research findings.