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This study found that human skin with hair follicles and sebaceous glands absorbed significantly more steroids than scar skin without these appendages, indicating their role in steroid penetration.

This review discusses the paracrine effects of adipose tissue-derived stem cells on surrounding cells and tissues, noting their potential therapeutic benefits, but reports no new clinical results.

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 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 cortisone reductase deficiency is caused by inactivating mutations in the H6PD gene, affecting cortisol metabolism by preventing 11β-HSD1 enzyme function.

In this pilot study, Doxil at 60 mg/m² every 4 weeks showed activity against hormone-refractory prostate cancer but was limited by severe mucocutaneous toxicities.

This study found that nestin-expressing cells in the hair follicle bulge exhibit multipotent stem cell-like properties and can generate neural cells both in vitro and in vivo.

This study found that spinal strychnine enhances low threshold tactile responses in cat dorsal horn neurons, which may mirror pain states in humans that are less responsive to opioid treatments.

This review study focused on various in vitro methods to evaluate skin permeation and retention of sunscreens, highlighting the importance of assessing sunscreen penetration due to widespread nanomaterial usage and advancements in cosmetic formulation.

This review explores the mechanisms of intratesticular control of steroidogenesis and indicates the need for further controlled studies; it presents no new experimental findings.

This study found that wolves in heavily hunted areas of Canada's tundra–taiga exhibited higher levels of stress and reproductive hormones, indicating social instability and increased reproductive effort due to human-caused mortality.

This study found that mice lacking the Sept4/ARTS gene had more hair follicle stem cells and improved wound healing, suggesting apoptosis regulation as a potential target in regenerative medicine.

This study found that sympathetic nerves and arrector pili muscles form a niche that modulates hair follicle stem cell activity, revealing their role in hair follicle regeneration.

In this study, genetic variation in the CYP19A1 gene, particularly the common rs4646 C allele, was associated with an increased risk of female pattern hair loss, especially in women under 40.

In this study, increased corticosterone from chronic stress prolonged hair follicle stem cell quiescence in mice, inhibiting regeneration, but restoring Gas6 expression overcame this inhibition.

This article reviews over 1000 skin diseases affecting patients' quality of life and highlights the importance of understanding skin biology and pathology, but provides no new results.

This study found that activation of Wnt/β-catenin signaling in mouse testes promotes spermatogonial differentiation and reduces the stem cell pool, with SHISA6 inhibiting this process and maintaining stem cell characteristics.

This study found that women with symptoms of oligomenorrhoea and/or hirsutism are more likely to have polycystic ovaries and less favorable biochemical and clinical markers compared to asymptomatic women.

This article reviews the role of stem cells in tissue development, tumor formation, and organoid generation, and highlights the potential of epigenetic regulation in advancing regenerative medicine and cancer treatment, without presenting new experimental results.

This study found that premature hair loss due to stress does not occur in NK-1 receptor knockout or mast cell deficient mice, suggesting a key role for neurokinin substance P and mast cell interaction in stress-related hair follicle changes.

This review examines how mesenchymal stem cells and their derivatives may enhance skin regeneration and rejuvenation, but it reports no new clinical results; the authors suggest iPSC-derived MSCs hold promise for future therapies.

This study reported that UVR induced PKCε phosphorylation of Stat3 in transgenic mice, suggesting a role in enhancing sensitivity to UVR-related skin cancer development.

This study details the isolation and characterization of the human type II 5 alpha-reductase gene, which may play a role in male pseudohermaphroditism, prostate cancer, and benign prostatic hyperplasia.

The eucalyptus oil system improved skin delivery of hormones, but safety concerns remain.

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 review discusses circadian clock regulation in stem cells and its role in processes like neurogenesis, but reports no new results; the authors emphasize its significance in stem cell function across various tissues.

This study suggests that exosomal miRNAs from human amniotic fluid stem cells may inhibit myofibroblast differentiation and reduce fibrotic scarring in wound healing.

This review discusses unique stroke risk factors in women, such as hormonal and reproductive influences, and highlights the need for further research to better predict and manage these risks.

This study found that Hopx labels a long-lived progenitor population in hair follicles, which contributes to hair follicle stem cell homeostasis and has an alternative origin from previously thought progenitors.

This review discusses recent advances in hair follicle biology, regeneration, and tissue engineering, highlighting emerging therapeutic opportunities, and reports no new experimental results.