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This article reviews popular peptides used in cosmetics for wrinkle treatment and presents no new clinical findings.

This study found that intermediate filaments and matrix proteins in presumptive hair shaft cells are synthesized sequentially, identifying a new polypeptide component that changes during hair cell differentiation.

In this study, researchers explored the use of natural materials in scaffold construction for dental bone preservation, suggesting it could offer better biocompatibility and bone regeneration compared to traditional grafting methods.

The study found that Sh-Polypeptide 9, a biomimetic peptide, enhances endothelial tubulogenesis and VEGF production more effectively than minoxidil, particularly at low concentrations, suggesting potential for hair follicle vascularization.

In this study, peptide nanofiber gels RG and RJ significantly accelerated the healing of deep second-degree burn wounds in vivo, with greater wound closure rates and enhanced tissue regeneration compared to controls, attributed to increased angiogenesis and reduced systemic inflammation.

This research found that androgen bioactivity plays a role in normal female sexual differentiation, suggesting females develop within a significant androgenic environment, with implications for understanding conditions like congenital adrenal hyperplasia.

This study found that cysteine supplementation significantly increases keratin expression in human keratinocytes, and counteracts the negative impact of iron deficiency on keratin production by enhancing iron availability for cellular processes.

This study found that ranitidine and finasteride may have cardiovascular and renal protective effects in mice by inhibiting TMAO synthesis and improving gut microbiota composition.

This study found that injecting highly purified monocyto-angiotropin into hare skin induced new blood vessel formation and significantly accelerated hair growth at the injection site compared to control areas.

This review discusses advancements in artificial skin for wound treatment and reports no new clinical findings; the authors highlight the potential of new biomaterials to enhance future skin replacement therapies.

This review discusses changes in keratin structure or gene expression that result in various skin disorders and reports no new clinical findings.

This review highlights that synthetic biodegradable polymers like PVA, PCL, PLA, PLGA, PU, and PEO/PEG can address the limitations of natural polymers in wound healing, offering improved mechanical properties and slower degradation, thereby enhancing their application as wound dressings.

This chapter discusses the role of hormones in regulating reproductive biology and outlines how the endocrine system, particularly the brain and pituitary gland, controls these hormonal processes.

This review discusses scaffold materials and properties used in epidermal tissue engineering to promote skin regeneration and reports no new research findings.

This chapter explores the potential of phytochemicals in modulating human endocrine function, emphasizing the growing interest in plant-derived alternatives to synthetic medications for managing metabolic and hormonal disorders often linked to chemical exposures and lifestyle factors.

This study found that several small molecule peptides based on thymosin β4 significantly promoted cell proliferation related to wound healing, angiogenesis, and hair growth more effectively than established positive controls.

This review covers recent developments in materials for in vitro and in vivo stem cell manipulation, highlighting innovative substrate properties but does not report new experimental results.

This study suggests that estrogen regulates vitamin A metabolism in skin tissues in a sex-dependent manner, which may have implications for treating acne, hair loss, and skin immunity.

This study found that the retromer protein AtVPS29 in Arabidopsis plants modulates gibberellin signaling by upregulating the SLY1 protein and downregulating the RGA protein, ultimately enhancing the development of the root meristematic zone.

This review explores the potential of using genetically-manipulated stem cells as both therapeutic agents and gene delivery vehicles for enhanced wound regeneration, but it reports no new clinical results.

This article reviews the role of exosomes in promoting axonal regeneration and discusses recent findings on how exosome-borne molecules might influence the PTEN-mTOR pathway in injured neurons; it reports no new experimental results.

This study reviewed the prospects and challenges of using stem cells from adipose tissue in regenerative medicine for facial rejuvenation, emphasizing the need for further research to ensure patient safety before these methods can become routine in cosmetic and reconstructive surgery.

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.

In this study, researchers found that exposure to PM10 significantly increased inflammation and impaired collagen synthesis in human dermal fibroblasts, suggesting PM10 contributes to skin aging through these mechanisms.

This study found that the AtSfh1 protein in Arabidopsis is essential for phosphatidylinositol-4,5-bisphosphate signaling crucial to polarized root hair growth, utilizing both phosphatidylinositol and phosphatidylcholine-binding activities.

This study suggests that minoxidil is a potent stimulator of elastin expression in embryonic skin fibroblasts, primarily affecting elastin mRNA levels, without impacting cell proliferation during the stationary phase.

This review discusses the role of intrinsic skin signals, rather than serum signals, in regulating melanin synthesis and hair pigmentation, but reports no new experimental data.

In this study, mice exposed to prolonged space conditions demonstrated skin atrophy, altered hair follicle cycles, and significant changes in the gene expression associated with skin muscle health.

Wound healing is a complex process involving different cells and stages, leading to scar tissue formation and strength increase over time.

This study found that DGAT1 exhibits additional acyltransferase activities in vitro, including MGAT, wax synthase, and ARAT activities, suggesting these could be relevant to its in vivo functions.