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This study found that cathepsin L deficiency in mice led to significant abnormalities in hair follicle development and cycling, including disrupted hair shaft outgrowth and premature hair growth phase entry.

This study found that transient mtDNA double strand breaks in mice accelerated aging in certain tissues through increased reactive oxygen species, independent of p21/p53 pathway mediation.

This review highlights similarities in the development of thymus and skin epidermis, reporting no new results; the authors emphasize shared molecular mechanisms despite different embryonic origins.

This study reported that knocking out the HR gene in pigs using CRISPR/Cas9 led to hairless eyelids and abnormalities in the thymus and peripheral blood, suggesting pigs as a model for human HR-related hair disorders.

This review highlights the challenges in treating alopecia areata, noting that current therapies often lead to relapse and have uncertain long-term effectiveness; it also points to potential future treatments such as JAK-STAT inhibitors and PRP.

This review examines the roles of Hyaluronic Acid and Versican in the skin extracellular matrix and reports no new research findings, highlighting their involvement in processes like differentiation and wound healing.

Matriptase is crucial for skin barrier, hair growth, and may contribute to skin cancer.

Regulatory T cells help prevent autoimmunity and have potential for treating autoimmune diseases.

This study investigated dermal fibroblasts in mouse skin using single-cell RNA sequencing and identified signaling pathways that influence adipogenesis, finding that IL-1-NF-κB promotes, while WNT-β-catenin inhibits, the adipogenic potential of these cells, with implications for wound healing and scar formation.

This study suggests that biallelic loss of the Hedgehog signaling repressor Patched alone in Keratin 5+ epidermal cells is insufficient to drive basal cell carcinoma development unless exogenous stimuli trigger accumulation of BCC precursor cells.

This study identified Th22 cells as key effectors in hair regeneration driven by thymosin beta 15, suggesting they could be potential targets for hair regrowth therapies.

This study found that targeting IL-6, IL-1, and CCR6 signaling pathways may effectively reduce irradiation-induced alopecia and dermatitis in radiotherapy patients.

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 summarizes recent findings about the multi-site differentiation of tissue regulatory T cells, emphasizing the pivotal role of epigenetic remodeling, but it reports no new clinical results.

In this study, transgenic mice with Rank expression in hair follicles showed excessive lymph node growth, which could be normalized by neutralizing the overproduced RANKL, underscoring its role in immune system regulation.

This case report presents the first evidence of significant antigen presenting cells around hair follicles in a patient with alopecia due to active systemic lupus erythematosus.

This review explores the role of Tregs in autoimmune skin diseases, transplantation, and skin cancer, and discusses Tregs-based therapies' potential for treating autoimmunity without reporting new experimental results.

In this study using the C3H/HeJ mouse model of alopecia areata, researchers found that hyperexpanded CD8⁺ T cell clones were sufficient to initiate disease, establishing a causal link between T cell clonality and pathogenicity.

In this study, mouse models of 22q11.2 deletion syndrome showed that growth issues in small embryonic thymuses were linked to mesenchymal cells, which could be corrected by substituting with normal mesenchyme.

This study found that the restoration of CD103⁺γδ T cells in humans is associated with sustained remission in inflammatory bowel disease, suggesting a conserved role for these cells in limiting disease progression.

iNKT cells help develop and maintain healthy skin in young mice.

This review explores recent findings on regulatory T cells, focusing on their unique functions in non-lymphoid tissues and new mechanisms of action, but presents no original clinical results.

This study found that thymus transplantation in infants with FOXN1 deficiency led to T-cell reconstitution and functional immunity, resolving serious infections and cytopenias.

In this review, researchers discussed recent insights into caspases, enzymes initially associated with cell death and inflammation, revealing their broader roles in cell proliferation, migration, and differentiation, and highlighting the importance of caspase knock-out mice for understanding their implications in diseases.

This paper explores the complex immune processes and cellular diversity that enable the skin to heal and resist invasion, and highlights its potential as a model for studying regeneration.

This study found that Wnt secretion is important for maintaining skin homeostasis in mice, as Evi-deficient mice developed psoriasis-like skin lesions and had an imbalance in immune cell populations.

This study found that the orphan protein Plet-1 is expressed in specific keratinocytes of mouse hair follicles and may regulate keratinocyte interactions with inert tissues by affecting migration and adhesion.

This study identified key regions and transcription factors, including SIX1 and FOXN1 itself, that regulate Foxn1 expression in thymic epithelial cells and hair follicle cells, offering insights into its transcriptional regulation.

This study indicates that stress in mice recruits specific neuroimmunoendocrine elements, leading to neurogenic skin inflammation that inhibits hair growth and highlights the skin's role in stress response research.

This review examines integrins as pharmacological targets, discussing current integrin-based therapies and emphasizing the need to understand integrin mechanisms for successful drug development, without reporting new clinical results.