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This article reviews the evolving understanding of hematopoietic stem cells, including their heterogeneity and the role of cytokines in lineage determination, and reports no new results.

This review reports that Dang Gui (Radix Angelica sinensis) possesses bidirectional immunoregulatory effects, enhancing immune cell proliferation and function, and may benefit immune-related diseases such as cancer and anemia. It also evaluates regulatory and safety aspects, aiming to guide future research and clinical use.

This study identified a four-gene loop as a non-invasive biomarker that selectively activates in alopecia areata, providing a precise target for JAK inhibitor treatments.

Acne involves increased lipid production and inflammation, affecting skin cell behavior and treatment resistance.

In this study, researchers developed a 3D in-vitro system for generating functional AT-resident macrophages without cell sorting, providing a valuable tool to study their differentiation and function in various physiological and pathological conditions.

This article reviews various aspects of growth factor research, highlighting their role in treatments and emphasizing the need for further clinical trials to validate their efficacy in biomedical applications.

Hedgehog signaling is crucial for hair development, cadherins affect cell adhesion, neutrophils play a role in skin lesions, and BP230 autoantibodies impact skin stability.

This study found that macrophages near hair follicles contribute to the activation of skin epithelial stem cells in mice, suggesting a novel role for macrophages in regulating hair growth.

This review discusses the effects of estrogen on skin aging and highlights potential therapies, but reports no new clinical findings.

This study found that stimulating the olfactory receptor OR2AT4 in human hair follicles with a synthetic sandalwood odorant promotes hair growth ex vivo by decreasing apoptosis and increasing IGF-1 production.

This review examines how mesenchymal stem cells and their derivatives may enhance skin regeneration and rejuvenation, but it reports no new clinical results; the authors suggest iPSC-derived MSCs hold promise for future therapies.

This study indicates that innate lymphoid cells-type 1 may provoke alopecia areata by disrupting hair follicle immune privilege and inducing characteristic lesions, challenging the view that alopecia areata is purely an autoantigen-dependent, T cell-driven condition.

This article discusses the potential for targeted therapies in hair loss by exploring inflammatory and cytokine-mediated processes, but it presents no new clinical results.

In this study, the researchers observed that higher expression of the Sonic hedgehog gene in cashmere goats' hair follicle cycles is associated with increased cell proliferation and reduced apoptosis, suggesting its role in enhancing cashmere quality.

This review provides an in-depth analysis of the structure and function of c-kit activation, and its role in both normal physiological and pathological conditions, with no new research findings reported.

In this study, researchers observed that RE-ORGA, a preparation from Korean herbs, may help alleviate androgenic alopecia by promoting human dermal papilla cell proliferation, reducing 5α-reductase enzyme levels, and displaying anti-inflammatory properties, suggesting potential regulation of androgen receptor sensitivity.

In laboratory experiments, this study found that the topical prodrug SCD-153, a derivative of 4-methyl itaconate, reduced inflammation-related gene expression and induced significant hair growth in mice, suggesting it as a promising treatment candidate for alopecia areata.

This study comparatively evaluated different extraction techniques for Schinus terebinthifolius Raddi leaf extracts and found that conventional extraction with ethanol yielded the highest antioxidant activity and beneficial effects on skin cell viability, supporting its potential use in sustainable cosmeceutical formulations targeting skin aging.

Acute leukemias with the Philadelphia chromosome may be biphenotypic, and identifying this is important for proper treatment.

This study investigated alopecia areata in a mouse model, finding that tofacitinib may inhibit disease progression by modulating linoleic acid metabolism and magnesium pathways, particularly affecting CD8+ T cell infiltration in hair follicles, offering insights for potential treatments.

This study found that hair with lower levels of keratin associated proteins reduced the foreign body response in mouse subcutaneous implant tests compared to hair with higher keratin levels.

This review highlights the complications of radiation therapy, specifically radiation cystitis, and explores the potential of mesenchymal stem cell-based therapies for tissue repair while discussing their therapeutic potential and limitations.

This study found that ILC1-like cells can induce alopecia areata symptoms in both ex vivo human hair follicles and in vivo mouse models, challenging the view that alopecia areata is solely CD8+ T cell-driven.

This study observed that unpigmented keratinocytes saturate quickly with foreign substance uptake compared to pigmented melanocytes, where melanin significantly enhances binding.

This study observed that hair follicle mesenchyme in mice exhibits significant plasticity during the hair cycle, with cell migration and changes in papilla size impacting hair production.

This review discusses the roles of αβ and γδ T cells in skin health and disease and reports no new clinical results; the authors highlight potential therapeutic developments.

This article reviews the role of stem cells in tissue development, tumor formation, and organoid generation, and highlights the potential of epigenetic regulation in advancing regenerative medicine and cancer treatment, without presenting new experimental results.

This narrative review discusses the structure and functions of the skin, focusing on its barrier role, self-repair, thermoregulation, and immune functions, and reports no new experimental results.

In this study, cyclosporin effectively controlled cases of granulomatous folliculitis, furunculosis, sebaceous adenitis in cats, and alopecia areata in a dog, positioning it as a promising alternative to glucocorticoids in veterinary dermatology.

This review examines melatonin's potential effects on human skin and hair follicle pigmentation, highlighting the need to confirm findings from cell cultures in physiological tissue contexts.