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The research found that hair follicle–derived cytokines, particularly IL-15 and IL-7, regulate skin-resident memory T cells and their role in both immune homeostasis and lymphoma in the skin.

This study found that IL-7 is crucial for the survival of memory regulatory T cells in the skin of mice, whereas IL-2 is essential for their initial generation but not for their maintenance.

This research suggests that hair follicle-derived cytokines IL-7 and IL-15 are crucial for maintaining resident memory T cells in the skin, which may be relevant for diseases like cutaneous T cell lymphoma.

This study found that a TYK2 inhibitor, BMS-986202, may restore immune privilege in hair follicles and promote hair regrowth in a humanized alopecia areata mouse model by inhibiting IL-12-mediated signaling.

In this study, IL-1α and IL-7 were found to work together to activate epidermal γδ T-cells, which in turn promote hair follicle stem cell proliferation during mouse wound healing.

This study found that IL-1α and IL-7 secreted from keratinocytes in a genetically engineered mouse model can stimulate the expansion of γδT-cells, aiding in the proliferation of epidermal stem cells for wound healing.

This study found that interleukin-1α and interleukin-7 secreted by keratinocytes enhance the proliferation of γδT-cells and epidermal stem cells, revealing mechanisms of stem cell activation during wound healing in mice.

In this animal study, treatment with Trachyspermum copticum seed extract significantly altered IL-1 and KGF/FGF-7 gene expression, improving dermatitis and hair growth in mice compared to controls and corticosteroids.

This study observed sustained hair regrowth in some patients with alopecia areata and improvement in vitiligo symptoms, indicating a potential role for dupilumab in treating these conditions, particularly when associated with atopic dermatitis.

This study found that increasing commensal bacterial load on the skin enhances wound-induced hair follicle neogenesis in mice, mediated through IL1R-MyD88 signaling pathways.

This study suggests that particulate matter can induce inflammation in human outer root sheath cells, potentially affecting hair growth, through oxidative stress-dependent MAPK and JAK-STAT signaling pathways.

In laboratory tests and mouse models, this study found that the novel IPC analog SIG-1451 may offer potent anti-inflammatory effects for treating allergic skin inflammation, potentially outperforming some current therapies in specific inflammatory phases.

This study observed that male patients with alopecia areata had elevated serum levels of HSP70 and IL-15, with levels increasing alongside disease severity, suggesting these markers are strongly associated with the disease's pathogenesis.

In this research, authors found that skin-resident ILCs regulate sebaceous gland function and microbial balance, emphasizing an immune-epithelia system that supports host-microbe symbiosis.

This review discusses the potential of JAK inhibitors as a promising treatment strategy for alopecia areata, highlighting their mechanism and recent FDA approval based on clinical trial efficacy.

This study found that interleukin-1-alpha and oncostatin-M levels were positively associated with PCOS development, while interleukin-7, IL15RA, and CXCL11 were negatively associated, suggesting a connection between inflammatory factors and PCOS.

This study found that a mixture of plant extracts significantly improved skin barrier function, reduced inflammation, and exhibited anti-aging effects in human skin cells.

This study found differential expression of growth factors and cytokines in umbilical cord blood-derived platelet-rich plasma, with the highest concentrations observed in the B blood type, but also noted weak correlations with ABO blood groups, suggesting other influencing factors.

This study found that plasmacytoid dendritic cells may initiate alopecia areata in mice by overexpressing interferon-alpha.

Bempikibart may help regrow hair in people with alopecia areata.

In this study, treatment with human follicular keratinocyte-conditioned media improved the trichogenicity of cultured dermal cells by activating key signalling pathways, suggesting its potential use in cell therapy for hair loss.

This study found that while SP did not enhance linear hair growth in cultured hair follicles, it prolonged the anagen phase and altered the expression of growth factors and apoptosis-related molecules, suggesting a stimulatory effect on hair growth.

Collagen VII helps skin heal and stay strong, sirolimus may lower skin cancer risk in kidney transplant patients, high-molecular-mass hyaluronan helps naked mole rats resist cancer, dermal γδ T cells aid in hair growth in rodents, and overexpression of IL-33 in mouse skin causes itchiness, offering a model for studying allergic inflammation treatments.

This study found that topical olive oil may protect mice skin from damage caused by electromagnetic radiation, particularly when applied before exposure, by mitigating oxidative, inflammatory, and heat shock stress factors.

This review discusses recent genome-wide association studies identifying novel candidate genes for various forms of alopecia, providing insights into their pathogenesis and molecular mechanisms, but reports no new clinical results.

This study found that 17β-estradiol inhibited RANTES production in human keratinocytes by suppressing nuclear factor κB activity, suggesting a potential mechanism for 17β-estradiol's modulation of psoriasis-related inflammation.

This study investigated the antioxidant and anti-inflammatory effects of the plant extract BLH308 and its potential to reduce hair loss, showing significant antioxidant activity in vitro.

Certain substances can help skin cells become anti-inflammatory, aiding in tissue repair.

This study found that the ethanolic extract of Acanthus ebracteatus demonstrated potential as an anti-hair loss treatment by promoting dermal papilla cell proliferation, inhibiting 5α-reductase activity, and reducing inflammation in vitro.

This study found that ruxolitinib modulated inflammatory changes and stimulated growth factor signals by blocking the JAK-STAT pathway in an in vitro model of alopecia areata.