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This review discusses stem cells in the hair follicle, bone marrow, and intestinal epithelium and introduces a model where quiescent and cycling stem cells may coexists in "zoned" configurations.

This study found that D-peptide crosslinked MAP hydrogel accelerated material degradation in vivo but significantly enhanced skin regeneration, suggesting an adaptive immune response can drive regenerative healing even with rapid scaffold breakdown.

This study found that sorafenib was active against desmoid tumors, with 25% of patients achieving a partial response and 70% maintaining stable disease.

This study found that overexpression of activin in transgenic mice led to enhanced granulation tissue formation after skin injury due to changes in keratinocyte proliferation and differentiation.

This review discusses the Activin/Nodal signalling pathway's role in stem cell function and its implications in cancer therapy, reporting no new experimental results but highlighting future research questions.

This study found that activating β-catenin signaling in embryonic epidermis promoted hair follicle characteristics at the expense of normal epidermal differentiation, leading to early pigmentation and innervation.

This study found that oral isotretinoin achieved good to excellent clinical results in treating severe inflammatory acne, severe rosacea, and gram-negative folliculitis.

This study found that endogenous activin plays a crucial role in wound healing and scar formation, as its inhibition led to delayed wound healing and reduced scar size in transgenic mice.

This study found that the effects of the vitamin D receptor on hair follicle cycling in mice are independent of its ability to bind a hormone, with specific domain mutations influencing hair regrowth outcomes.

This review explores the potential of small molecules to activate the Wnt/β-catenin signaling pathway in treating diseases and reports no new experimental findings.

This study found that overexpression of an enzyme in transgenic mice led to distorted polyamine levels, resulting in permanent hair loss and female infertility.

This study reports that overexpression of activin in transgenic mice enhances granulation tissue formation during wound healing, highlighting a novel role for activin in cutaneous repair processes.

This review discusses the intracellular activity of β-thymosins and their role in modulating the actin cytoskeleton, but it reports no new experimental results.

This study reports that activating Notch signaling in the hair follicle cortex of transgenic mice caused abnormal differentiation of the medulla and cuticle, highlighting potential cell-cell interactions.

This study found that activation of the TRPV3 ion channel inhibits human hair growth by affecting hair follicles and outer root sheath keratinocytes.

This study found that serum DHEA levels increase earlier and are higher in girls compared to boys through various stages of puberty, reflecting their earlier pubertal development.

This study found that overexpression of the enzyme SSAT in a mouse model significantly reduced prostate tumor size and progression, suggesting it could be a promising strategy against prostate cancer.

This review compiles epidemiological data on actinic keratoses and suggests promoting strategies like early diagnosis and photoprotection to prevent progression to skin cancer, but it reports no new clinical findings.

This case study describes a child with an unusual form of vitamin D-dependent rickets, characterized by alopecia and a deficient response to active vitamin D.

This study found that activin affects both stromal cells and keratinocytes in skin morphogenesis and repair, with dose-dependent effects on keratinocytes demonstrated through transgenic mouse models.

This study found that follistatin and activin interactions are important for hair follicle development and cycling in mice, suggesting that they may regulate processes involving BMP-2 and its antagonist.

This study suggests that minoxidil activates PGHS-1, which may explain its hair growth-stimulating effects and could aid in designing more potent hair growth-promoting drugs.

This study found that prolonged Nrf2 activation in mouse keratinocytes led to enlarged sebaceous glands, hair loss, and cysts, suggesting a role for Nrf2 in conditions like MADISH.

This study found that TRPV3 ion channels on human epidermal keratinocytes suppress cell proliferation, induce cell death, and trigger a proinflammatory response, suggesting a role in cutaneous inflammatory processes.

In this study, researchers found that increased hydrogen sulfide levels in Arabidopsis disrupted actin dynamics through S-sulfhydration, leading to the depolymerization of actin filaments and inhibited root hair growth.

This study found that PKCα activation in transgenic mice induces keratinocyte apoptosis and mediates neutrophilic skin inflammation via different pathways, suggesting potential mechanisms for cutaneous inflammatory diseases.

This study found that inhibiting AP-1 activity in mice modified tumor development, leading to transdifferentiation between squamous and sebaceous tumors, with molecular analysis suggesting AP-1's role in maintaining tumor cell identity.

This review discusses advancements in plant cell culture technology for producing potent natural cosmetic ingredients and reports no new experimental results.

This review suggests that isotretinoin's effects on severe acne and various cancers may result from apoptosis, which might also explain its adverse effects through genetic variability.