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This study found that androgens downregulate BMP2 in dermal papilla cells, inhibiting hair follicle stem cell differentiation, while BMP2 addition may restore hair lineage differentiation through the Wnt/β-catenin pathway.

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.

The study found that adipose-derived mesenchymal stem cells obtained via laser-assisted liposuction with selective photo-stimulation are comparable in differentiation potential and tumorigenic risk to those from conventional liposuction for cell therapy applications.

This study reports the successful differentiation of mouse induced pluripotent stem cells into keratinocytes that can regenerate skin and its structures in an in vivo environment.

This study suggests that DHT may have a less potent effect on the prostate compared to testosterone while maintaining safety and similar effects on erythropoiesis and lipids.

This study found that inhibiting class I histone deacetylases in postnatal mouse dermal cells preserved their ability to induce hair follicles during culture by increasing specific gene expressions and activating the Wnt signaling pathway.

This case report describes an ossifying pilomatrixoma found in a 15-year-old girl, confirmed via histopathological examination after imaging indicated a subcutaneous mass on her cheek.

This review discusses the role of DHEA in intracrinology, highlighting its impact on breast and prostate cancer treatment and potential as a menopause therapy, but reports no new research findings.

Immunosuppressive therapy helps manage autoimmune diseases but carries risks like infection and potential for malignancy.

This study found that ossification in trichilemmal cysts may be more common than previously thought, often associated with cyst wall rupture, and reports a novel case of ossifying TC with extramedullary hematopoiesis.

This report presents a case of a child with hypothyroidism and poorly controlled type 1 diabetes developing both Mauriac syndrome and Van Wyk–Grumbach syndrome, two rare complications.

This article reviews historical uses of male red deer parts in traditional medicine but provides no new research findings; it emphasizes their long-standing role in treatments for various health issues.

This review discusses the potential role of vitamin D deficiency in cardiovascular and renal diseases and suggests that supplemental vitamin D could benefit cardiovascular outcomes, especially in African American and postmenopausal women; it reports no new clinical findings.

This review examines the interconnected roles of bone, adipose tissue, and the central nervous system in regulating energy balance, providing no new experimental results.

This study found that low-dose chemotherapy for solitary bone lesions of Langerhans cell histiocytosis in children led to quicker recovery, higher quality of life at 3 months, and was more cost-effective compared to surgery.

This review discusses recent advancements in bone tissue engineering, emphasizing a shift from passive to smart responsive antibacterial strategies to prevent implant-associated infections, and highlights AI's role in optimizing bone scaffold design for personalized, infection-free implants.

This case study described a 16-year-old girl with systemic lupus erythematosus and trisomy X, suggesting that these patients might be at higher risk for avascular necrosis and osteoporosis.

This study found that modifying biphasic calcium phosphate/poly(methyl methacrylate) bone cement with human hair keratin improves its hydrophilicity, mechanical properties, and supports bone repair in rats, indicating potential for orthopedic applications.

This paper reports that noggin inhibits BMP-2 and BMP-4 functions by binding and blocking their interaction with the BMP receptor, impacting multiple developmental processes without presenting new research results.

This review discusses the role of extracellular vesicles in bone regeneration and their potential as therapeutics, highlighting challenges like standardization and safety for clinical application, but it reports no new clinical results.

This study found that intravenous transplantation of human hair follicle-derived mesenchymal stem cells improved trabecular bone mass in osteoporotic mice by enhancing bone formation and reducing bone resorption.

This study examined 3D-printed scaffolds coated with polydopamine and observed that they significantly enhanced osteogenesis and angiogenesis in vitro and in a rat cranium defect model, suggesting their potential for repairing large bone defects.

In this study, researchers observed that graded calorie restriction in mice led to changes in stable isotope ratios and elemental content in bone collagen and hair keratin, potentially indicating intensified mobilization of endogenous proteins and altered bone collagen structure with increased dietary stress.

This review explores the historical development of theories on physiological tissue regeneration, particularly focusing on peripheral nerve regeneration, and emphasizes the need for new experiments and perspectives without providing new empirical findings.

This study found that mesenchymal stem cells derived from dental pulp and adipose tissue have distinct gene expression signatures that suggest potential target diseases for clinical applications.

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 review discusses the development, lineages, functions, and roles of fibroblasts in fibrosis across four organs, highlighting their capabilities in tissue repair and contributions to fibrotic disorders when aberrantly activated, but it reports no new experimental findings.

This study found that BMP2 increased PTEN expression and induced autophagy, promoting hair follicle stem cell differentiation in both in vitro models and a mouse wound model.

This review discusses nitric oxide's physiological roles and the development of strategies for delivering it exogenously, without presenting new clinical results.