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This review explores the mechanisms, current products, challenges, and innovative approaches related to cosmetics for hair loss prevention and growth promotion, emphasizing the need for multidisciplinary cooperation to enhance product development and market success.

Experts discussed hair care, genetic hair defects, hair loss treatments, nail surgery, lupus treatments, skin infections, and cosmetic allergies.

This study demonstrated that bioengineered hair follicles reconstituted from embryonic skin cells and transplanted into hosts can restore physiological hair functions, suggesting potential applications for treating alopecia.

This article discusses stem cell-based therapies for wound healing and highlights their potential for tissue repair and regeneration, without presenting new clinical results.

In this study using genetic mouse models, researchers discovered that senescent melanocytes in nevi secrete osteopontin, which activates hair stem cells, enhancing hair growth; this process is mirrored in human hairy nevi, suggesting a potential therapeutic target for regenerative disorders.

This review discusses the generation of germ cell-like cells from skin-derived stem cells and reports no new results; the potential for these cells to produce viable progeny remains unclear.

This study found that FZD2 is crucial for hair follicle formation and postnatal growth in mice and has a novel role in regulating early epidermal development, including stratification and cornification.

This source describes how androgenic alopecia, or pattern hair loss, affects about 70% of men and is linked to factors like stress, hormonal imbalances, and lifestyle issues, which can also impact psychological well-being and potentially contribute to severe health conditions such as heart disease.

This review explores advancements in bioprinting technologies for developing in vitro skin models that replicate immune-mediated skin diseases, highlighting their potential to reduce animal testing and enhance research and product testing capabilities in dermatology.

This study reports a unique case of common variable immunodeficiency with autoimmunity linked to a heterozygous S250C variant in the autoimmune regulator gene, suggesting a potential molecular basis for this combination.

This study found that activin B promotes the initiation and development of hair follicles in both cultured and neonatal mouse skin models.

This study observed that tissue-engineered skin, using VEGF165 gene-modified cells embedded in astragalus polysaccharide-containing 3D printed scaffolds, enhanced early vascularization, and collagen and hair follicle regeneration, leading to improved skin repair in nude mice with full skin defects.

In this study, transplantation of hair follicle stem cells and nerve growth factor-modified stem cells significantly reduced amyloid deposition and tau hyperphosphorylation in an Alzheimer's disease rat model, suggesting potential as a treatment option.

This review highlights the significance of animal fibers, examining the molecular mechanisms influencing hair follicle development and their impact on fiber quality and quantity, with a focus on studies involving Angora and cashmere goats.

This review discusses the clinical applications of adipose tissue-derived stem cells in dermatology and plastic surgery, highlighting their potential benefits but also noting existing limitations and concerns.

This study found that amplifying Wnt signaling, either genetically or through topical application of liposomal Wnt3a, improved skin wound healing in a mouse model.

This study found that Wnt7a protein expression increased after corneal epithelial injury and promoted human corneal epithelium cell proliferation by upregulating fibronectin and enhancing cell adhesion.

This study found that maternal melatonin supplementation improved fur quality in Rex rabbit offspring by increasing hair follicle density and altering melatonin receptor gene expression in several organs.

This review suggests that induced pluripotent stem cells (iPSCs) hold promise for treating chronic wounds, but further work is needed to address safety, efficacy, and translation from preclinical models to real-world applications.

This source reviews the developments in hair care technologies, noting that while herbal shampoos offer benefits such as eliminating grease and promoting hair growth, some shampoo ingredients may cause side effects like hair loss and discomfort.

In this study of four Chinese goat breeds, black goats exhibited significantly higher melanin content, while Inner Mongolian cashmere goats had longer fiber lengths. These findings highlight genetic variations in coat color and fiber length, informing future breeding programs.

This review explores recent advances in understanding molecular mechanisms of tissue regeneration in mammals and suggests potential therapeutic targets, but it reports no new clinical results.

This article reviews technical aspects of using autologous fat transfer for facial rejuvenation and examines existing evidence for stem cell and platelet-rich plasma therapies in aesthetic practice, reporting no new results.

This chapter reviews surface plasmon resonance (SPR) methodology and its applications in basic science and human disease without reporting new clinical results.

In this study, thymosin beta4 over-expression in transgenic mice was linked to accelerated hair growth and abnormal tooth development, suggesting roles in hair and tooth physiology.

This article reviews the role of R-spondins and their receptors in bone development and metabolism, highlighting their potential modulatory effects and clinical implications for treating bone loss diseases, but reports no new clinical results.

In this study, hair follicle germs containing vascular endothelial cells showed improved hair regeneration and morphogenesis-related gene expression in mice, suggesting a promising strategy for hair regenerative medicine.

This study found that transplanting GFP transgenic tail skin onto wild-type mice leads to partial replacement of dermis, nerves, and blood vessels by recipient tissue after six months, while epidermis, hair follicles, and sebaceous glands persist from the graft.

This review discusses strategies to regenerate human hair follicles using stem cells and reports no new experimental results; the authors note existing challenges and the potential of hiPSCs for future applications.

This study suggests that β-catenin plays an important role in wool follicle development in transgenic sheep by enhancing the expression of keratin protein genes.