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This article reviews the role of vitamin D and its metabolites in regulating calcium homeostasis and highlights their effects on the intestine, kidney, bone, and parathyroid gland, without reporting new clinical results.

This study summarizes the role and potential applications of stem cell exosomes in skin and bone healing, highlighting their regenerative capabilities and suggesting innovative delivery methods like nanoliposomes and hydrogels to improve bioavailability and therapeutic outcomes.

This review discusses the role of heparan sulfate proteoglycans in regulating stem cell fate and highlights their potential as targets for addressing hair loss, without reporting new clinical results.

This study found that hair follicles across mouse skin form a heterogeneous regenerative field, with distinct cycling dynamics influenced by the balance of activator and inhibitor signals, which could inform other organ regeneration research.

In this case report, researchers described a 6-year-old girl with severe mandibuloacral dysplasia type A, noting unique physical deformities and a rare homozygous LMNA gene mutation not commonly associated with the condition.

In this study, researchers found that treating dermal papilla cells with synovial fluid and laser photobiomodulation increases the expression of chondrocyte marker genes, indicating potential promotion of chondrogenic differentiation.

This chapter reviews the clinical effects of androgens like testosterone and its metabolites on various body systems and life stages, but reports no new results.

This narrative review emphasizes the significant improvements in mental well-being linked to gender-affirming treatments while highlighting the need for ongoing research into hormone therapy's long-term effects and its impact on transgender individuals' reproductive health.

This study found that US adults with classic congenital adrenal hyperplasia most preferred a hypothetical adjunctive therapy that prevents glucocorticoid-induced weight gain over other potential benefits.

This chapter reviews classic regeneration models in planarian worms and amphibian limbs, focusing on the role of stem cells, and reports no new experimental results.

In this review, the authors highlighted the importance of vitamin A for vision, immune function, growth, and skin, noting that deficiency can lead to serious health issues like night blindness and increased infection risk, while excessive intake poses toxicity risks, particularly from supplements.

This study found that a nomogram prediction model based on clinical characteristics, bone metabolism, and ovarian function can effectively predict the treatment response to long-acting GnRHa in girls with idiopathic central precocious puberty.

In this study, researchers assessed vitamin D3 levels in adolescents, finding a suboptimal average of 22.00 ng/ml, and demonstrated that supplementing with 1000 IU/day of vitamin D3 significantly raised levels and improved physical and mental potential over two months.

This study describes the case of a 22-year-old female with alopecia areata linked to vitamin D deficiency, highlighting the importance of early diagnosis and management of deficiency to prevent broader health issues.

The wolves suspected of man-eating in the 1880s likely ate very little human flesh and mostly consumed a diet similar to herbivores and omnivores.

In this case report, a four-year-old girl was diagnosed with vitamin D-dependent rickets type II, manifesting as diffuse alopecia, frontal bossing, hypoplastic teeth, and skin-colored papules, due to a genetic mutation causing resistance to 1.25-dihydroxy vitamin D.

This study found that ESR1 gene polymorphisms may be linked to hormonal imbalances in young women with hyperandrogenism, potentially affecting bone mineral density indirectly.

In this study, combining endoscopic forehead lifting with hairline lowering successfully rejuvenated the upper facial area in 194 patients by lowering hairlines by an average of 18 mm and raising eyebrows by 5 mm, without serious complications.

This study found that zebrafish and stickleback fish use similar genetic programs for tooth regeneration, despite differences in their dental structures.

This study found indications of phosphorus-calcium exchange abnormalities in children with chronic renal disease before kidney insufficiency, suggesting that early diagnostic methods like ultrasonic osteodensitometry could be beneficial.

The guideline recommends mental health involvement in diagnosing gender identity disorder and outlines hormone and surgical treatment protocols, emphasizing safety, informed consent, and long-term monitoring.

This review summarizes recent advances in understanding the molecular mechanisms of hair follicle formation and discusses potential future clinical applications for treating hair loss and skin tumors, but it reports no new clinical results.

This review explores how adult skin epithelia preserve stem cell populations for hair follicle regeneration and wound healing, but reports no new experimental results.

This review describes the unique pharmacological profile and clinical applications of pegylated liposomal doxorubicin, emphasizing its role in Kaposi's sarcoma and recurrent ovarian cancer, but reports no new clinical results.

This article reviews the clinical complications and increased mortality risks associated with Cushing's syndrome but does not present new clinical data; it emphasizes the need for prompt treatment to mitigate these risks.

This review discusses the diagnostic criteria and management strategies for Polycystic Ovary Syndrome (PCOS) and highlights the need for comprehensive clinical assessment, but does not report new clinical findings.

This review discusses mesenchymal–epithelial interactions in hair follicle development and cycling, highlighting recent insights without reporting new experimental results.

This review discusses guidelines for androgen use in women and concludes that more research is needed before recommending testosterone due to insufficient evidence on safety and efficacy.

This study identified ectodin as a novel BMP inhibitor that modulates BMP signaling in ectodermal development by interacting with SHH and FGF pathways.

This study found that calcitonin‐gene‐related peptide immunoreactive sensory axons in rats are predominantly involved in tissue maintenance rather than nociceptive functions.