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This review discusses the diagnostic challenges of PCOS in adolescents, noting that the persistence of hyperandrogenism and oligomenorrhea is required for diagnosis, while genetic studies suggest involvement of the hypothalamic-pituitary-ovarian axis.

This study found that exposure to finasteride impaired spermatogenesis in male Xenopus laevis by affecting sex-specific feedback mechanisms in the hypothalamus–pituitary–gonad axis.

In this study, cashmere goats engineered to overexpress the Tβ4 gene in hair follicles produced more cashmere, indicating that Tβ4 promotes secondary hair follicle development and enhances yield.

This review discusses the evaluation of hyperandrogenemia in women and hypogonadism in men across different life stages and presents biomarkers used for diagnosing male hypogonadism, reporting no new clinical results.

Gene therapy shows promise for enhancing physical traits but faces ethical, safety, and regulatory challenges.

This study demonstrated that dermal papilla cells are molecularly distinct from fibroblasts and identified many novel molecules, including a new member of the CTGF protein family.

This study found that Twist1 and Tcf4 synergistically regulate the hair follicle induction ability of dermal papilla cells by forming a complex with β-catenin, enhancing their biological properties.

This study suggests that specific combinations of human type I and II hair keratins, particularly K35-K85 and K36-K81, have distinct in vitro assembly properties that are significant for macrofibril formation.

This review discusses sex differences in immune response to respiratory viral infections, including SARS-CoV-2, and highlights that hormones like estrogen may provide females with better protection, but it reports no new results.

This study identified proteins that are differentially expressed in balding versus non-balding dermal papilla cells, potentially aiding the understanding and treatment of androgenetic alopecia.

This article discusses a proposed molecular mechanism linking dietary factors to acne but reports no new clinical findings.

This article discusses the role of suction-assisted lipectomy (SAL) and the hCG method in obesity management, highlighting the speculative benefits of hCG but reporting no new clinical findings.

This review discusses the design and advances of lipid–polymer hybrid nanoparticles as promising delivery systems for genome editing strategies, highlighting their potential in biomedical applications.

This review discusses the wound healing process and the factors contributing to abnormal scarring after thermal injuries, but it reports no new clinical results.

This review discusses the therapeutic potential and safety of bioidentical recombinant human epidermal growth factor (rhEGF) for various skin and mucosa conditions and reports no new clinical results.

This study suggests that mammalian hair follicles may serve as a viable and non-invasive system for diagnosing traumatic brain injury, reflecting similar molecular responses observed in other tissues.

This review discusses the role of fibroblast heterogeneity in kidney pathology, particularly their contribution to tertiary lymphoid tissue formation, and reports no new results.

In this study of a TRPS type I patient, many genes related to keratin and hair development were down-regulated in balding scalp areas, providing new insights into TRPS and hair morphogenesis.

This study found that moisture sorption properties of wool and hair fibers from various animals were similar, despite different structural features, with sorbed water being more ordered than liquid water.

This study suggests that the rs2075876 variant in the AIRE gene may significantly increase susceptibility to alopecia areata in the examined male population.

This study found that the Plcd3(mNab) mutation in mice worsens the alopecia caused by Plcd1 loss, suggesting synergistic effects between Plcd1 and Plcd3 on hair follicle health.

This review discusses the evolution of scientific understanding and treatment approaches for androgenetic alopecia, from androgen metabolism to the potential of biologic response modifiers, reporting no new clinical findings.

This study found that Phytochrome A is crucial for regulating central metabolism and the transition to mature seedling proteomes in tomato seedlings grown under far-red light.

This book discusses various unanswered questions about headaches, including genetic factors, smartphone effects, and botulinum toxin's potential benefits for chronic migraines, but reports no new clinical findings.

This chapter reviews hyperadrenocorticism in ferrets, covering its causes, symptoms, diagnosis, and treatment options, but reports no new research findings.

The study characterized the transcriptional changes in porcine SKP cells transitioning to fibroblast-like cells, indicating potential roles for specific signaling pathways in this cell fate transition.

This study found that a specific fragment of AIMP1, secreted by hair follicle stem cells, activated dermal papilla cells, leading to enhanced hair regrowth and maintenance in mice.

In this study, plasma levels of MSH and cortisol in patients with alopecia areata did not show significant changes compared to healthy controls.

This chapter discusses the sources, classifications, and effects of hormones, their role in disease treatment and food security, and reports no new results.

The skin protects the body, regulates temperature, senses touch, and makes vitamin D.