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This study suggests that allogenic human mesenchymal stem cell treatments have potential therapeutic effects by inducing immune tolerance and anti-inflammatory effects in severe alopecia areata patients.

This study found that in chronic alopecia areata, increased IL-17 expression and CD8+CD49a-Trm cell infiltration in hair follicles were associated with more severe histopathologic gradings, while Foxp3+mTreg infiltration decreased.

This review highlights the role of epidermal tissue-resident memory T (T RM) cells in human skin, showing their involvement in immune surveillance and regulation within the epidermis, and suggesting their importance in understanding skin diseases like HIV infection and vitiligo.

This study describes a new mouse model for vitiligo that mimics key clinical features such as skin depigmentation and CD8 + T cell infiltration, providing a useful tool for in-depth research and drug discovery.

This study identified CD28, GZMB, and CD1C as key immune regulators in alopecia areata, highlighting CD28 as a potential therapeutic target with a promising safety profile, using a proteome-anchored multi-omics approach to uncover actionable targets for this autoimmune hair-loss disorder.

In this study, researchers found that extrafollicular progenitors marked by Hic1 are the main contributors to reparative fibroblasts in wound repair, with potential to modulate healing outcomes through genetic and pharmacological interventions.

This study found that despite the persistence of aberrant double-negative T-cells, functional immune-competence was maintained after thymic transplantation in a patient with a rare FOXN1 mutation.

Contact immunotherapy can change immune responses in alopecia areata, suggesting new treatment targets.

This study found that patients with Alopecia areata in Iraq had significantly higher levels of CD4+, CD39+, and FOXP3+ Treg cells in their blood compared to healthy controls.

This study found that dysregulated microRNA expression in mice may be linked to aberrant gene activity that contributes to the development of alopecia areata.

This study found that ginsenoside F2 may suppress hair cell apoptosis and improve hair growth outcomes in a DHT-induced hair loss model more effectively than finasteride.

This study reports that the tetrapeptide AcSDKP significantly promotes skin and hair health in vitro and ex vivo, suggesting it could be used cosmetically to counteract skin aging and hair loss.

Ro stress hindered ginseng root growth and ginsenoside production, but increased certain hormones and affected gene regulation related to plant growth and stress responses.

This narrative review found that while exosome-based therapies hold regenerative potential for skin rejuvenation, wound healing, and hair restoration, significant challenges, including variability in manufacturing and lack of regulatory approval, necessitate careful integration into dermatology practice, emphasizing the importance of patient safety and regulatory understanding.

FOL-005 peptide may help treat excessive hair growth safely.

This study reported that CCT oligodeoxynucleotide induced patchy hair loss in male mice with specific genetic traits, suggesting gender and genetic preferences in immune response.

This study analyzed gene expression data to identify key genes involved in severe forms of alopecia areata, discovering four immune monitoring genes (LGR5, SHISA2, HOXC13, S100A3) with potential for early diagnosis and better understanding of the disease's biological mechanisms.

This review explores recent findings on the regulation of the pilosebaceous unit and reports no new clinical results, emphasizing the emerging understanding of growth factors and steroid hormones in hair growth processes.

Oxidative stress and mitophagy play key roles in hair loss, suggesting potential treatment targets.

This study found that sulfated CCK octapeptide reduces psoriasis-like skin inflammation in mice, suggesting a new pathophysiological role for CCK in regulating epidermal inflammation.

This study identified molecular elements controlling the expression and stabilization of THH protein in hair follicle cells, revealing key mechanisms that support hair shaft development in mice.

This study reviewed competing endogenous RNA networks related to skin aging and wound healing, finding mechanisms like UVB-induced senescence and photoaging, as well as potential therapeutic targets for improving skin health and recovery.

This study found that miR-432 inhibits KRT83 expression, revealing potential molecular mechanisms for the formation of curly fleece in Tan sheep and suggesting implications for understanding curly hair formation in humans.

This review discusses the patterns and regulatory mechanisms of keratin expression in various biological conditions and reports no new experimental results.

This study found that the PP2A-B55α regulatory subunit is crucial for ectodermal development in mice, with knockout embryos displaying severe neural and epidermal defects and failing to survive to birth.

This study found that the enzyme A20 helps regulate EDAR-induced NF-κB signaling in mice, preventing ectodermal abnormalities like disheveled hair and assuring proper skin and appendage development.

This narrative review proposes the concept of "repigmentation competence" for vitiligo lesions, suggesting that therapy responses are influenced by lesion-specific biological factors related to immune, regenerative, regulatory, and microenvironmental processes, and highlights the emerging role of combination therapies targeting these pathways.

This study identified that in pig embryos, the miR-29a-5p/EDAR/lncRNA627.1 ceRNA complex plays a critical role in inhibiting hair placode precursor cells proliferation and regulating hair placode formation through the suppression of EDAR expression, which may provide insights into similar mechanisms affecting human hair conditions.

This review discusses the interplay between signaling/transcription factor-mediated and epigenetic mechanisms in skin development and regeneration, highlighting the need for further exploration of epigenome reorganization in these processes.

This study found that dermal Shh signaling regulates specific dermal papilla signatures essential for maintaining hair follicle development, suggesting that the Shh-Noggin signaling loop is crucial for hair morphogenesis.