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This article reviews age-related changes in facial structure at a cellular level and summarizes potential solutions for rejuvenation surgery, but reports no new clinical results.

In this study, dogs with hair cycle disorders, especially those with alopecia X, showed a significant increase in the number of kenogen follicles, suggesting impaired induction of new hair growth phases.

Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.

Martin-Perez et al. show that rapamycin's beneficial effects in a mouse model of Leigh syndrome are linked to the downregulation of protein kinase C.

This review explores regenerative medicine approaches for vitiligo and alopecia areata, focusing on pathways for repopulating melanocytes and regrowing hair follicles, and summarizes potential treatments without reporting new clinical results.

This study reports that a short course of steroids resolved symptoms and hyperplasia in infants and young children with recurrent intussusception associated with intestinal lymphoid hyperplasia, suggesting consideration of steroids before surgery.

This study reported that prenatal exposure to dihydrotestosterone altered long-term androgen metabolism in juvenile male rats, suggesting different regulatory mechanisms for 5a-reductase in hypothalamic versus pituitary tissues.

This review discusses the potential roles of prostaglandin D2 and its receptor CRTH2 in various diseases beyond allergies and asthma and reports no new clinical results.

This review discusses the various causes and associations of eyelash trichomegaly, including congenital syndromes, acquired conditions, and drug effects, without reporting new clinical results.

This review examines the role of cyclodextrins in improving the solubility, stability, and bioavailability of steroid drugs but does not report new experimental findings.

This review discusses advancements in cell culture techniques for hair growth treatments and provides insights into the potential and challenges of follicular cell implantation, reporting no new clinical results.

This review discusses the integration of ultrasound in dermatology for improved lesion visualization and diagnosis, highlighting recent technological advancements like handheld devices and high-frequency probes, and reports no clinical results.

This study found that testosterone and dihydrotestosterone are crucial for synaptic transmission and spine density in male hippocampal neurons, suggesting sex-specific effects of neurosteroids on brain development.

This review examines the diverse roles of SRD5α enzymes across species, focusing on their involvement in steroid synthesis, sexual development, and various physiological processes, but reports no new clinical results.

In this study, topical methyl vanillate application increased hair count and hair mass index in women with androgenetic alopecia by enhancing WNT10B expression, suggesting a potential new treatment strategy.

This study found that Ganoderma lucidum extracts showed weak 5alpha-reductase inhibition but significantly inhibited prostate cell proliferation and testosterone-driven prostate growth in rats, suggesting potential as an ingredient for treating androgen-induced diseases.

This study found that using a ruby laser for hair removal resulted in a significant average reduction of 56.4% in hair density among participants dissatisfied with other methods.

This review discusses emerging targets for developing drugs to treat hair loss and reports no new clinical results; the authors emphasize the potential for therapies that regenerate hair follicles.

This study established an androgen-responsive human organ culture model using hair follicles, demonstrating that women's intermediate facial follicles grow more hair in response to men's higher androgen levels.

This study found that a novel rare variant in ITGB6 may cause intellectual disability, alopecia, and dentogingival anomalies in a specific Pakistani family, highlighting a potential role for ITGB6 beyond enamel formation.

This study found that mice lacking the type 3 IP(3) receptor in their hair follicles experienced repetitive hair loss and regrowth, indicating disrupted hair-cycle regulation potentially linked to specific signaling pathways.

This article discusses various options for camouflaging hair loss involving the scalp, eyebrows, and eyelashes, and reports no new clinical findings.

This study reports that horizontal sections of scalp biopsies improve the diagnosis of alopecia areata, especially when characteristic inflammatory infiltrates are missing.

This study found that dermal papilla cells from balding follicles exhibit distinct growth characteristics compared to non-balding cells, suggesting their potential as a model for understanding androgenetic alopecia.

This review examines the interaction between hedgehog and Wnt/β-catenin signalling in hair follicles and basal cell carcinoma, linking Hh pathway inhibition to both tumor regression and alopecia.

This article discusses the social and psychological impact of hair disorders and the challenges in their treatment, but reports no new clinical results.

This review discusses the development and application of cell-derived matrices in regenerative medicine and disease modeling, presenting various fabrication techniques and future perspectives, but reports no new results.

This study found that mackerel-derived fermented fish oil extract and its component DHA promote hair growth by activating anagen pathways in dermal papilla cells.

In this animal study, researchers found that finasteride may offer neuroprotective benefits as a post-ischemic treatment for strokes in aged male rats, suggesting its potential as a therapeutic agent in this context.

This case report concludes that the presence of distinctive histiocytic responses in a Cambodian woman's eyelid lipogranulomas suggests surreptitious silicone injections despite her denial of prior procedures.