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This study found that Shh from neurons signals to Gli1-expressing cells in the hair follicle, cultivating a niche where these bulge cells can potentially transform into epidermal stem cells in wound healing.

This review discusses the various evidence-based and potential applications of metformin in treating and preventing symptoms and complications associated with polycystic ovary syndrome but reports no new clinical results.

This article discusses the treatment considerations for a 17-year-old boy with a six-month history of acne but reports no new research findings.

This study found that while a tip-focused calcium gradient influences localized growth in root hairs and pollen tubes, it is not the primary determinant of growth direction in root hairs of Arabidopsis thaliana.

This review discusses herbal therapies for dermatologic disorders, focusing on those with scientific evidence of efficacy and common interactions, but reports no new clinical results.

This study suggests that fibromodulin may regulate transforming growth factor-β activity during scar formation, influencing the transition from fetal scarless repair to adult scar-forming repair in rats.

This study found that severe zinc deficiency induced in weanling rats led to growth retardation, hair issues, and dermal lesions, all of which were completely reversed by zinc supplementation.

This article reviews methotrexate's pharmacokinetics and toxicity, emphasizing the role of urinary excretion and leucovorin in avoiding most toxic reactions; it provides no new clinical results.

This review discusses the pathogenesis and challenges in treating primary cicatricial alopecia, highlighting the need to understand immune protection collapse in hair follicle stem cells; it reports no new clinical results.

This review discusses the potential benefits and risks of 5α-reductase inhibitors in preventing prostate cancer and reports no new results.

This review discusses the diverse roles and characteristics of epidermal and dermal stem cells in skin regeneration and aging, highlighting their potential applications in regenerative medicine and reports no new clinical results.

This review argues that the immunocompetence hypothesis, linking masculine facial features to attractiveness through health benefits, lacks sufficient evidence and sidesteps alternative explanations.

This review explores finasteride's effects on neuroactive steroid levels and their potential influence on disorders like depression and alcohol withdrawal but reports no new clinical findings.

This article discusses the high toxicity and potential use of thallium as a poison, highlighted by two cases of intentional thallium poisoning.

In this study, 96% of men with persistent sexual side effects from finasteride reported continued dysfunction after discontinuation, suggesting these effects may endure long-term.

This review discusses advanced techniques for investigating stem cell fate at the single-cell level, including lineage tracing, time-lapse imaging, and molecular profiling, but reports no new research results.

This commentary discusses the potential use of testosterone therapy for various conditions in women and reports no new clinical results; the authors advocate for more discussion and research in this area.

This study found that PCL-based nanofiber scaffolds enhanced cell proliferation and extracellular matrix deposition, suggesting they show promise as a cell delivery system for improving skin wound healing.

In this study, dermal papilla cell-derived exosomes accelerated hair follicle growth in mice, suggesting potential for treating hair loss by modulating key signaling pathways.

This study found that NF-κB signaling may connect injury response to regenerative processes in zebrafish hearts, potentially aiding the development of cardiac regenerative therapies in humans.

This study found that in men with benign prostatic hyperplasia, a 3-month treatment with a long-acting GnRH agonist significantly reduced intraprostatic DHT and 3α-diol levels by about 90% and testosterone by about 75%.

This study found that the 308-nm Excimer laser was effective and safe for treating patchy alopecia areata in children, with hair regrowth observed in 60% of treated scalp patches.

This study identified over 40 phytochemical compounds in the leaves and flowers of Bituminaria bituminosa, predominantly glycosylated flavonoids from apigenin, using advanced chromatographic techniques.

This study found that cultured human dermal papilla cells formed into three-dimensional spheres have an increased ability to induce hair follicles from mouse epidermal cells compared to two-dimensional cultures.

Vitamin D3 affects cell differentiation in specific skin areas.

This review discusses genetic and nutritional causes of hair loss, highlighting that around 90% of treated men show noticeable hair regrowth with a dual inhibitor, while women's hair loss may improve by correcting iron and l-lysine deficiencies.

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 that permanent chemotherapy-induced alopecia was relatively common three years after treatment among breast cancer patients receiving adjuvant chemotherapy, particularly those on taxane-based regimens.

This review discusses the complex interaction between androgens and hair follicle biology, highlighting the need for a better understanding to improve hirsutism treatments, but reports no new results.

This article discusses the potential role of nutritional ingredients, such as thiols and tannins, in triggering pemphigus, and reports no new empirical findings.