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This study concluded that combined hormonal contraceptives containing desogestrel, drospirenone, or cyproterone acetate were associated with a higher risk of venous thromboembolism compared to those containing levonorgestrel.

Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.

This study identified 16 novel high sulfur KAP genes and two KAP pseudogenes on chromosome 21q23, showing expression in a specific region of the hair fiber cuticle.

Certain fungi and bacteria help orchid seeds germinate and plants grow better.

This study found that amplifying Wnt signaling, either genetically or through topical application of liposomal Wnt3a, improved skin wound healing in a mouse model.

This study found distinct gene expression profiles in alopecia areata-affected skin, suggesting T-cell mediated immune responses and unique gene profiles between different stages of the disease.

This review highlights the potential of near-infrared light therapy to improve metabolic, antioxidant, and cognitive functions without adverse effects, and supports its use for visual and neurological conditions through molecular and cellular mechanisms, as reported in this source.

This review discusses the progress and challenges in delivering CRISPR/Cas9 systems for in vivo genome editing, highlighting current methods and opportunities for future therapeutic applications.

This study suggests that CD8+ cytotoxic T lymphocytes play a crucial role in the development of alopecia areata, based on observations in rodent models that mimic human autoimmune disease.

This article reviews hair analysis for drug detection and its applications in various fields, but reports no new research findings, emphasizing the need to consider the method's complexities and potential pitfalls.

This study found a strong dose-related increase in the risk of intracranial meningiomas associated with high doses of cyproterone acetate, with some reduction in risk after stopping the treatment.

This review discusses the potential role of Wnt signaling in aging-related heart diseases and reports no clinical results.

Genetics and hormones cause hair loss; finasteride treats it safely.

This study found that ZDHHC13 deficiency in mice is associated with abnormal liver function, lipid metabolism issues, and impaired mitochondrial function, highlighting ZDHHC13's regulatory role in liver metabolism.

This article reviews major types of genetic hair shaft defects and associated syndromes, emphasizing understanding histologic features and diagnostic methods, but reports no new clinical findings.

This paper discusses the variability in COVID-19 susceptibility and severity, emphasizing factors like biological differences and suggesting potential precision medicine approaches, but it reports no new clinical results.

Skin stem cells maintain and repair the outer layer of skin, with some types being essential for healing wounds.

This study found that cyclosporin A treatment enhances hair growth in mice by inhibiting calcineurin-NFAT1 activity, which alters keratinocyte differentiation and apoptosis-related gene expression in hair follicles.

In this study, researchers created a core-shell nanozyme, CeO2@ZIF-8/Au, which autonomously regulates ROS levels to efficiently eliminate bacteria, reduce inflammation, and promote wound healing by balancing ROS generation and scavenging in response to environmental conditions.

This study found that murine skin is a target for melatonin bioregulation, as melatonin affected DNA synthesis and tyrosinase activity in skin organ culture.

This review concludes that autologous split-thickness skin grafting remains the gold standard for safety and efficacy in treating chronic leg ulcers, with greater success in venous ulcers.

This protocol describes using two-photon laser-scanning microscopy to study hair regeneration in live mice, offering detailed imaging capabilities for observing hair follicle stem cell behavior and manipulating cellular populations.

This study found that H-Ras activation in aged mouse skin leads to increased dysplasia and progression to in situ squamous cell carcinoma, highlighting an age-linked connection between immune changes, senescence, and cancer risk.

This study observed that in hormone-starved prostate cancer cells, the androgen 5alpha-dihydrotestosterone rapidly induces matriptase activation and shedding, which involves androgen receptor signaling and requires both transcription and protein synthesis.

This study demonstrates that canonical Wnt signaling is crucial for maintaining thymic epithelial microenvironments in postnatal thymus, possibly by affecting TEC progenitor cells.

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

This review describes the variety of mucocutaneous side effects caused by antineoplastic chemotherapy, with emphasis on skin, nails, and mucous membranes, while highlighting potential severity and the possibility of needing to adjust or interrupt treatment in rare cases; it presents no new clinical results.

This review discusses recent data on the use of anabolic-androgenic steroids and other steroid compounds and reports no new clinical results.

This study found that different epidermal stem cell populations contribute to the formation of various skin tumors and new hair follicles following β-catenin activation in the adult epidermis.

This review discusses 46,XY disorders of sex development caused by defects in androgen production and highlights the need for long-term care from experienced multidisciplinary teams, but it reports no new clinical findings.