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This review discusses the composition, activation, and regulation of the JAK/STAT pathway and highlights its role and inhibitors in various diseases, but reports no new experimental results.

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 study reported that inhibiting the JAK-STAT pathway with baricitinib restored cellular homeostasis, delayed senescence, and reduced proinflammatory markers in Hutchinson-Gilford progeria syndrome cell models.

This study found that Enz_MoriL, a compound derived from Morus alba L., promotes hair follicle cell proliferation by affecting the Wnt/β-catenin pathway and can counteract an alopecia areata-like condition by suppressing the JAK-STAT signaling in human hair follicle dermal papilla cells.

This study found that inhibiting JAK signaling can unexpectedly trigger hair growth in resting-phase mouse skin, implicating JAK-STAT pathways and oncostatin M in maintaining hair follicle stem cell quiescence.

This review highlights emerging evidence that chemotherapy-induced alopecia may be driven by immune mechanisms similar to alopecia areata, involving hair follicle immune privilege collapse, and evaluates Janus kinase inhibitors as potential treatments, while cautioning about their immunosuppressive risks in cancer patients.

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 this study, researchers found that minoxidil sulfate enhances the anti-inflammatory effects of the JAK inhibitor baricitinib in alopecia areata, modulating inflammatory signals and preserving immune privilege features in human hair cells, which suggests potential benefits for combined therapy.

This narrative review highlights the potential of naturally occurring compounds to target specific molecular pathways and overcome resistance in advanced and recurrent papillary thyroid cancer, offering new therapeutic possibilities beyond traditional treatments like surgery and lifelong hormone replacement.

This study suggests that frontal fibrosing alopecia is a highly inflammatory disease involving TH1 and JAK-STAT pathways, without reduced hair keratins, highlighting JAK-STAT signaling as a potential therapeutic target.

This review highlights the potential for JAK inhibitors to effectively treat inflammatory and autoimmune skin diseases by targeting the JAK-STAT signaling pathway, advocating for an integrated approach to enhance targeted therapy.

This study found that human hematopoietic mesenchymal stem cells increased the viability and migration of human outer root sheath cells in an in vitro alopecia areata model, involving Wnt/β-catenin and JAK/STAT pathways.

This study reviewed the role of the JAK/STAT signaling pathway in skin diseases and the potential of JAK inhibitors for treating conditions like psoriasis and atopic dermatitis. Although the findings are promising, the authors concluded it is premature to establish their place in dermatological treatments.

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.

This review discusses the role of JAK inhibitors in treating atopic dermatitis, alopecia areata, and vitiligo, highlighting their effectiveness and safety considerations but stressing the need for further research on long-term safety and patient selection.

This report highlights that oral Janus kinase inhibitors, including baricitinib, ritlecitinib, deuruxolitinib, and brepocitinib, show promise for treating alopecia areata by promoting substantial hair regrowth with mild-to-moderate side effects, positioning them as a favorable alternative to corticosteroids.

This review discusses recent findings on the efficacy of JAK inhibitors for treating alopecia areata, highlighting their role in reversing hair loss by targeting the JAK-STAT signaling pathway, though questions about their effectiveness and safety remain.

This review concluded that JAK inhibitors are effective in achieving meaningful hair regrowth in moderate to severe alopecia areata, although continuous therapy is often needed to maintain the benefits.

This review explores emerging therapies for hair regrowth, highlighting two strategies: hair follicle neogenesis and Wnt/B-catenin pathway modulation, which show promise for treating alopecia by potentially offering more effective options than existing treatments.

This study suggests that phytochemicals from natural sources could be safer alternatives to conventional treatments for hair loss, as they may activate key pathways involved in hair growth.

In this study using a mouse model with alopecia areata, the researchers found that ruxolitinib enhances hair regrowth by inhibiting the JAK-STAT signaling pathway, reducing inflammation and oxidative stress, and decreasing apoptosis, which supports its clinical effectiveness in treating this condition.

This review discusses the niches supporting adult stem cells in various organisms, including well-studied germline niches and the less understood mammalian niches, but it reports no new research findings.

This study found that aging in the epidermis disrupts cytokine balance and stem cell function, which may contribute to broader tumor-suppressive mechanisms.

Alopecia areata is linked to immune-related genes, suggesting JAK inhibitors as a potential treatment.

This study identified key genes and signaling pathways involved in the growth phases of Pashmina goat hair follicles, highlighting the role of several gene families and transcription factors in fiber quality and growth regulation.

This review discusses how certain adult stem cells can produce factors that support the maintenance of other stem cell populations within shared niches, and it reports no new experimental results.

This study discusses the immune dysregulation observed in individuals with Down syndrome, highlighting their increased risk for autoimmune skin conditions, but does not yet clarify the molecular mechanisms behind this profile.

This study found that 3D-printed polyamine-modified hydrogels facilitate M2 macrophage polarization and exosome secretion, enhancing skin cell compatibility and promoting wound healing and hair follicle induction in an animal model through specific signaling pathways, suggesting potential for skin disorder therapies.

This review discusses the potential of JAK inhibitors for treating alopecia areata and reports case study evidence of their effectiveness, but formal clinical trials are needed for more definitive conclusions.

This review summarizes recent research on alopecia areata, highlighting advances in targeted therapies due to improved understanding of its immunopathogenesis, though it reports no new clinical results.