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This review discusses how circadian clocks may influence diverse physiological functions beyond their established role in daily timekeeping, but it reports no new experimental findings.

The researchers reported that in hairless mice, epidermal cell division orientations and epidermal thickness varied by body site, with dorsal and ear epidermis primarily dividing parallel to the basement membrane, unlike hind paw and tail epidermis.

This study found that the proteins Par3, mInsc, and Gαi3 cooperate to regulate LGN polarization and promote perpendicular cell divisions during murine epidermal morphogenesis.

This study developed the iCOUNT tool, which provides insights into stem cell behavior by tracking cell division events and molecular consequences in human and mouse neural stem/progenitor cells.

This study found that hyperproliferative stimuli dysregulated the balance of stem cell divisions in keratinocytes, suggesting potential treatment strategies for both benign and cancerous hyperproliferative diseases.

This study found that the ocular surface epithelium in mice contains distinct stem cell populations with unique cell division dynamics that change behaviorally in response to different levels of injury.

This study found that applying a mix of cholesterol and Tween 60 detergent to mouse skin significantly reduced epidermal cell mitotic activity.

This review discusses how chronic inflammation can lead to persistent stem cell activation and DNA damage, ultimately promoting cancer development and metastasis, but reports no new results.

This study reported that distinct stem/progenitor populations in the ocular surface epithelium have different cell division frequencies and respond differently to injury, with specific spatial compartmentalization and migration behaviors.

This review concluded that chronic inflammation can lead to persistent activation of stem cells, accumulating DNA damage and promoting cancer development and metastasis from stem cell origins.

This review concludes that chronic inflammation can lead to persistent activation of stem cells, accumulating DNA damage that promotes cancer development and metastasis, by affecting normal stem cells, cancer stem cells, and cancer cells.

This review highlights that chronic inflammation leads to ongoing activation of stem cells, causing DNA damage accumulation, which can promote cancer development and metastasis.

In this review, researchers concluded that chronic inflammation perpetually activates stem cells, allowing DNA damage accumulation and potentially promoting cancer development and metastasis by converting stem cells into cancer cells.

This literature review reports that chronic inflammation can lead to persistent activation of stem cells, accumulating DNA damage, and eventually promoting cancer development and metastasis even before stem cells become cancerous.

This review concludes that chronic inflammation can lead to persistent activation of stem cells, which may accumulate DNA damage and ultimately promote cancer, while also facilitating cancer metastasis.

This review concludes that chronic inflammation persistently activates stem cells, leading to DNA damage accumulation that can promote cancer development and metastasis, affecting both stem and cancer cells.

Hair grows like a crystal at a solid-liquid interface without cell division.

This study describes a new imaging platform for the adult Drosophila midgut, facilitating real-time observation of cell behaviors and dynamics involved in organ renewal.

This study discovered that the circadian clock influences hair follicle regeneration, making hair grow faster in the morning and causing more radiation-induced hair loss in the morning compared to the evening.

This review highlights recent advances in understanding how the extracellular matrix regulates epidermal stem cell fate, emphasizing the importance of the hair follicle stem cell niche, but reports no new empirical findings.

This study identified significant gene expression differences in human basal cell carcinoma, including up-regulation of zinc finger encoding genes, which are not entirely reflected in current mouse models.

The researchers reported that exposure to long days after short-day treatment induced a synchronized, out-of-season wool growth cycle in New Zealand Wiltshire sheep, similar to cycles induced in other species.

Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.

The study found that growing dermal papilla cells in 3D spheroids enhances their activity with hair growth-promoting agents, such as minoxidil and TCQA, compared to traditional 2D cultures.

This study used a 3D live imaging system to map cell dynamics in human hair follicles, revealing patterns of cell movement and division that help explain hair fiber extrusion during hair growth.

One type of progenitor cell can maintain normal skin in mice.

The conclusion is that the dermal papilla is crucial for hair follicle regrowth, and hair follicles undergo significant structural changes in addition to cell division during regeneration.

This study found that Wnt signaling regulates the symmetric division of adult neural stem cells, increasing their numbers during subependymal regeneration, stroke response, and colony formation.

This research found that the microtubule catastrophe factor KIF18B plays a crucial role in promoting spindle orientation in keratinocytes, linking this process to cell fate decisions during hair follicle morphogenesis.

Research on epidermal stem cells has advanced significantly, showing promise for improved clinical therapies.