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This study identified the presence of the enzyme 1 alpha-hydroxylase in various extrarenal tissues, suggesting its potential role in modulating vitamin D function in peripheral tissues.

This study found that intradermal injections of plant-derived exosomes in adults with early-stage alopecia increased stem cell activity, activated Wnt signaling pathways, and reduced certain immune cell populations, providing insights into their role in hair follicle regeneration and suggesting potential for hair restoration therapy.

This clinical case report identifies xanthomatous hypophysitis in a male patient, highlighting the mismatch between clinical symptoms and MRI findings, which led to a pituitary biopsy and accurate diagnosis instead of unnecessary surgery.

This study suggests that macrophages play a more substantial role in the pathogenesis of Lichen planopilaris compared to Frontal fibrosing alopecia, as indicated by increased CD68+ cells in Lichen planopilaris.

This study found that the cell of origin in mouse skin affects melanoma phenotype and response to therapies, despite the presence of the same genetic mutations.

This case report describes a 36-year-old man who developed generalized eruptive histiocytosis on the scalp after undergoing nine platelet-rich plasma treatments for hair loss, likely triggered by injection-related trauma and inflammation.

This study demonstrated that the immunomodulatory drug FTY720 may enhance the survival of allogeneic fat grafts in mice by reducing immune rejection and improving neovascularization.

This review discusses the role of fascial mobilization in wound healing and its potential implications for treating chronic skin wounds and scarring, but reports no new clinical results.

In this research, RNA expression analysis of scalp biopsies from lichen planopilaris patients revealed changes in specific genes after treatments with hydroxychloroquine, narrow band UVB, or low level laser light therapy, suggesting potential biomarkers and implicating M2 macrophages in the disease's immunopathogenesis.

This review discusses the roles of distinct immune cell types in skin wound healing, highlighting findings from animal studies, but provides no new clinical results.

This study found that macrophages play a crucial role in nerve regeneration by regulating Schwann cell dynamics and remyelination, with Gas6 identified as a key factor in this process.

In this study, the introduction of autofibroblasts into ischemic wounds was found to be slightly less favorable for regenerative histogenesis compared to a dermal equivalent with heterofibroblasts, with minor differences in epidermis thickness, collagen fiber area, and blood vessel area.

In this study, adipose-derived stem cells from superficial adipose tissue showed higher regenerative potential, and more macrophages were found in superficial than deep adipose tissue, potentially influenced by skin microbiota.

This review highlights that disturbances in neuroimmune communication, particularly between sympathetic nerves and macrophages, may contribute to autoimmune diseases like rheumatoid arthritis and type 1 diabetes, and suggests potential therapeutic avenues by restoring this communication in preclinical and early clinical studies.

Laser treatment shows promise for hair growth, but needs further research.

This study found that macrophages are crucial for skin regeneration during tissue expansion, as their depletion in rats led to inhibited skin growth and reduced secretion of key growth factors.

This review examines the roles of macrophages and Langerhans cells in skin homeostasis and suggests that understanding these functions can aid in developing therapies for skin and hair regeneration, but it reports no new research findings.

This review discusses the role of perifollicular macrophages in hair growth and suggests targeting them could be relevant for managing hair growth disorders, but reports no new results.

This study found that implanting HAP stem cells in a mouse model accelerated wound closure and reduced scar formation, suggesting potential for scar-free wound healing.

In this study, freezing gamma-irradiated amniotic fluid increased hair follicles and accelerated the transition to the anagen stage in rats, suggesting potential for treating hair loss safely and effectively.

In this study using diabetic rat models, the combination of AMD3100 and low-dose FK506 reduced wound healing time and improved microcirculation in diabetic foot ulcers, indicating a promising new systemic therapy.

This study found that mupirocin nanoparticle-loaded hydrogel was safe and more effective for healing burn wounds in rats compared to mupirocin ointment, showing promise for future clinical trials.

This study found that implanting hair-follicle-associated pluripotent stem cell sheets facilitated wound healing and early macrophage activity while reducing inflammation in a diabetic mouse model, suggesting clinical potential for difficult-to-heal diabetic ulcers.

This study found that HAMA hydrogels promote faster healing of skin wounds in mice by enhancing the accumulation of anti-inflammatory macrophages and increasing type III collagen in the local wound environment.

This study found that gelatin microspheres delivering adipose-derived stem cells significantly accelerated diabetic wound healing in rats, suggesting a promising approach for enhancing cell-based therapies.

This study constructed a comprehensive atlas of prenatal human skin, revealing that innate immune cells, such as macrophages, play a crucial role in skin morphogenesis by interacting with non-immune cells, influencing hair follicle formation and angiogenesis beyond their traditional immune functions.

This article discusses the anatomical and biological aspects of hair follicle stem cells in the bulge region but reports no new research findings.

The researchers reported that using a concentrate of conditioned mesenchymal stem cells derived from the placenta accelerated wound healing and regeneration in laboratory animals with severe local radiation injuries.

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 study found that in mice, dermal adipocytes initiate inflammation and aid repair after skin injury by releasing lipids, suggesting a role in managing inflammatory diseases and impaired wound healing.