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This review discusses the mechanisms of skin aging, highlighting the roles of stem/progenitor cells, genetic and environmental factors, and suggests potential for cell-based therapies, but reports no new experimental findings.

This study found that conditioned media from dental pulp stem cells stimulated significantly faster hair growth in mice, suggesting potential as a treatment for alopecia.

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 observed that exosomes from adipose mesenchymal stem cells overexpressing hepatocyte growth factor significantly improved liver function and reduced fibrosis in mice with experimentally induced liver injury.

This study concluded that mesenchymal stem cells from adipose tissue harvested using laser-assisted liposuction with selective photo-stimulation are as effective and low-risk for cell therapy as those obtained through conventional liposuction, based on their differentiation potential, cellular proliferation, and cytokine expression.

This study reports that 71% of patients treated with the gamma-secretase inhibitor PF-03084014 for desmoid tumors experienced dermatologic side effects, such as follicular lesions and pruritic eruptions, which were managed with topical or systemic treatments.

This review summarizes the cell type distribution and functional significance of human keratins, emphasizing their roles in tumor diagnosis and potential clinical applications, and reports no new clinical findings.

This review discusses the potential of single cell technologies to improve understanding and treatment of impaired wound healing and reports no new clinical results.

This review discusses the potential adverse effects of herbal remedies, such as allergic reactions and drug interactions, and reports no new clinical findings; the authors suggest the risks might be underestimated.

This review covers the potential of SVF and ADSC therapies in regenerative medicine and highlights the challenges of regulation and efficacy, without reporting new clinical results.

This review discusses the protective roles of skin-resident immune cells in maintaining tissue homeostasis and facilitating wound healing, but reports no new experimental findings.

In this review, the authors summarize classical and recent insights into the biology and treatment of hypertrophic scars and keloids, concluding that while understanding and strategies have advanced, effective prevention and treatments remain unsatisfactory.

This review explores fibroblast heterogeneity in the mammalian dermis and suggests potential therapeutic applications by targeting fibroblast subtypes, but reports no new experimental results.

This review discusses various methods for obtaining stem cell-derived conditioned media and its applications in disease treatment, finding generally positive results but highlighting the need for standardized production methods.

This article reviews the role of stromal stem cells in mammalian wound repair, suggesting they may perform functions similar to blastemal cells in simpler organisms, but reports no new experimental results.

This review discusses the role of the TOR pathway in aging and suggests that rapamycin could potentially target age-related diseases, but reports no new clinical results.

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.

In this study, researchers developed a microfluidics-based method for creating uniform, size-controlled stem cell spheroids that enhance osteogenic differentiation when encapsulated in alginate-RGD microgels.

This review examines the role of nerves in regeneration across various species and discusses their importance as components in the progenitor cell niche, reporting no new clinical results.

This guideline outlines the management of systemic lupus erythematosus in adults but reports no new clinical findings.

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 biological sex differences in COVID-19 outcomes and reports no new clinical results; it identifies a need for studies to clarify how sex influences disease progression.

This study found that adipose-derived mesenchymal stem cells produced more anti-inflammatory and pro-angiogenic cytokines on electrospun scaffolds, which enhanced wound healing and macrophage activity in a rat model.

This review examines how epigenetic dysregulation affects adult stem cell function, noting that impacts range from minor to serious disruptions in tissue homeostasis and potential cancer development.

This article discusses advancements in understanding how skin stem cells and fibroblasts contribute to scar formation, highlighting current and potential therapies aimed at preventing or reducing scarring, yet notes that effective treatments without significant side effects are still lacking.

This review discusses the various stem cell populations associated with hair follicles and their potential in regenerative medicine, highlighting differences between murine and human hair follicles but reports no new clinical results.

This study found that mechanical skin stretching can stimulate hair stem cell proliferation and hair regeneration by activating a complex pathway involving WNT, BMP-2, and M2 macrophages.

This study observed that applying JAK-STAT pathway inhibitors to mouse and human skin led to rapid hair growth by inducing the anagen phase of hair follicles.

This review discusses recent advances in understanding gender differences in skin and their implications for dermatologic diseases, but it reports no new experimental results; ongoing research is necessary for translating these insights into clinical practice.

Some drugs can cause hair loss or increase hair growth, but these effects are usually reversible when the drug is stopped.