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This study used an ex vivo human skin model to show that tropical conditions disrupt skin homeostasis, resulting in epidermal thickening and junctional flattening, and found that Kombucha tea extract may help preserve skin structure under such stress.

ITK inhibitors may effectively treat alopecia areata.

This study found that microbial adenosine and biotin treatments derived from Staphylococcus epidermidis Cicaria culture may help inhibit hair loss by maintaining the hair's growth phase.

This study found that the immune-competent B6. Cg‐Tyr c−2J Hr hr /J congenic mouse line had a more pronounced delayed sunburn response and different proliferative skin reactions to UV exposure compared to SKH 1 mice.

D-chiral biomaterial scaffolds enhance tissue and hair regeneration by activating the body's immune system.

This study found that transplantation of autologous stromal vascular fraction cells increased skin thickness and improved regeneration when combined with mechanical stretching, without severe adverse events.

This review evaluates in vitro hair follicle models, techniques, and challenges without reporting new clinical results, emphasizing their future potential in hair transplantation.

This study found that Krox20 marks a diverse stem cell population in mouse hair follicles, which significantly contributes to the interfollicular epidermis and regulates epidermal homeostasis.

In this source, recent single-cell RNA-sequencing advances reveal significant transcriptional heterogeneity among skin fibroblasts, and the discussion focuses on the distinct subtypes' roles in skin homeostasis, repair, and their evolution in fibrotic diseases like keloid scars and cancer.

This study identifies a bipotent stem cell in adult hair follicles that self-renews and contributes to dermal sheath and papilla cell populations, potentially aiding hair regrowth after injury, disease, or aging.

This study found that mice with a homozygous knockout of the Ten1 gene, developed through CRISPR-Cas9-mediated exon 3 deletion, exhibited telomere shortening and symptoms consistent with accelerated aging, such as reduced lifespan, skin changes, aplastic anemia, and cerebellar hypoplasia.

This review discusses ichthyosis with confetti, highlighting its genetic basis, clinical features, diagnostic criteria, and current treatment options but reports no new clinical results.

This study identified key genetic regions associated with alopecia areata, highlighting both acquired and innate immune involvement, with a novel link to the upregulation of ULBP ligands in autoimmune disease.

This study discusses the potential association between low vitamin D levels and insulin resistance, suggesting that vitamin D deficiency may contribute to disorders like obesity and diabetes, but emphasizes the need for further research to confirm these links.

In this study, silencing P-cadherin in human scalp hair follicles reduced melanogenesis and associated protein expression, suggesting P-cadherin is crucial for normal hair pigmentation via GSK3β-mediated Wnt signaling.

This study reported that heat treatment significantly increased the incidence of alopecia areata in C3H/HeJ mice, suggesting a role for induced HSPA1A/B expression in disease development.

This mathematical model of alopecia areata illustrates how inflammatory autoimmune responses interrupt the anagen phase of hair growth, and may help evaluate treatments and identify new therapeutic targets.

This study found that a combined treatment using autologous scalp‐derived micrografts and allogeneic dental pulp stem cell‐derived conditioned medium was well-tolerated and improved hair characteristics in 69.5% of patients with male androgenetic alopecia, particularly increasing hair diameter and hair number per follicular unit.

This review article reports recent advancements in understanding, diagnosing, and treating various hair loss conditions, like androgenetic alopecia and alopecia areata, including their genetic factors and new therapeutic options, while also examining the impact of COVID-19 on hair loss.

This study concluded that moderate to severe alopecia in Belgian Blue crossbred calves was due to malabsorption of dietary fat caused by a mixing error of milk replacer.

This study describes a form of lymphocytic mural folliculitis in tigers causing hair loss, concluding it may represent a nonspecific hypersensitivity reaction distinct from T-cell lymphoma.

This study describes a method for isolating stem cells and keratinocytes from mouse hair follicles using FACS technology, facilitating the study of stem cell biology.

This review discusses the role of metabolism in maintaining adult stem cell homeostasis with aging and highlights the potential benefits of dietary restrictions on stem cell function and longevity. It reports no new clinical results and emphasizes the need for further molecular studies.

This study reports the discovery of mutations in the PADI3, TGM3, and TCHH genes as molecular genetic causes of uncombable hair syndrome in children, indicating an autosomal-recessive inheritance pattern.

This study found that Kangfuxin improved cell proliferation, migration, and wound healing in a mouse model of cutaneous injury through the activation of the STAT3 signaling pathway.

This study identified a single autosomal recessive gene responsible for hypotrichosis in a mutant rabbit strain, affecting hair growth and causing epidermal and hair follicle abnormalities.

The ZIP13 variant is linked to abnormal hair quality.

In this study, researchers found that disrupting EGFR signaling in mice led to increased inflammation and hair follicle damage but that inhibiting the JAK-STAT1 pathway could restore hair growth and skin function.

Repetin is a protein involved in skin and hair development, binding calcium and compensating for other proteins when needed.

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.