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This study found that UV exposure in human skin induces IL-10 production by macrophages, while Langerhans cells are depleted and their IL-12 production is downregulated.

This study observed very high thallium levels in small mammals near a zinc smelter in Poland, accompanied by severe population and health impacts.

This study found that 58% of men aged 30-50 had androgenic alopecia, with disease severity increasing with age and many being candidates for medical treatment or hair transplantation.

This study suggests that different melanocyte subpopulations in hair follicles have varying patterns of apoptosis and survival during the catagen phase, which may inform models for modulating melanocyte behavior in vivo.

This study found that the CD44(+) ALDH(+) population of neonatal human keratinocytes exhibited enhanced stem cell properties, including significantly increased long-term epidermal regeneration and multipotency, compared to unfractionated cells.

This review discusses skin diseases in transgender patients receiving gender-affirming hormone therapy and procedures, highlighting unique conditions and the underdiagnosis that affects their quality of life and mental health.

This study found that the postnatal thymus contains a population of mesenchymal stem cells that may help maintain functional thymic microenvironments.

This study found that the ocular surface epithelium in mice contains distinct stem cell populations with unique cell division dynamics that change behaviorally in response to different levels of injury.

This study found that alopecia areata patients had a slightly decreased overall cancer risk, with significantly lower risks for some cancers but higher risks for lymphoma, breast, kidney, and urinary bladder cancers.

This review discusses the evolution of lineage-tracing strategies over the past century, emphasizing their role in identifying progenitor cells and resolving debates about cellular origins, with no new results reported.

This preliminary study found that poplar seed hair fibers have promising properties for use as environmentally friendly, lightweight insulation, with similar thermal resistance to wool and polyester despite being slightly less effective than down.

This study found that a multicolor panel of four surface markers can identify new stem cell populations in mouse hair follicles, providing insights into stem cell diversity and gene expression discrepancies during tissue culture.

This article reviews various factors affecting grizzly bear conservation, highlighting complex interdisciplinary challenges and societal influences on management decisions, and reports no new research findings.

This study found that epidermal melanocytes can regenerate hair follicles, whereas non-cutaneous or dermal melanocytes cannot, suggesting two distinct melanocyte lineages with potential implications for melanocyte-related diseases.

This study highlights that the incidence and mental health impact of alopecia areata is higher among non-White ethnic groups, emphasizing the need for targeted healthcare for those at greatest risk.

This study found that Thy1+ keratinocytes in the basal layer of the interfollicular epidermis play a crucial role in epidermal homeostasis and wound repair, with their ablation impairing these processes.

This research discusses the parallel clinical development of ritlecitinib, an oral Janus kinase 3/tyrosine kinase inhibitor, for treating conditions such as alopecia areata, vitiligo, ulcerative colitis, Crohn's disease, and rheumatoid arthritis. Results are not reported in the abstract.

Women with hyperandrogenism, especially those with PCOS, are more likely to have psychiatric disorders.

This study suggests that high proliferative activity and peripheral invasion are key indicators of malignancy in canine sebaceous gland tumours. It also reports a higher incidence of circumanal gland and testicular tumours, indicating a possible androgen-related pathway in tumour development.

This study found that severe forms of alopecia areata showed increased activated T cells and natural killer cells, which decreased after corticosteroid treatment, correlating with disease activity and hair regrowth.

In this retrospective cohort study, researchers found that Taiwanese mothers with atopic dermatitis had a higher risk of various pregnancy complications and that their children were more likely to develop certain conditions like AD, asthma, and ADHD, compared to non-AD mothers and their children.

This cohort study observed a bidirectional association between alopecia areata and migraine in Taiwanese patients, indicating that individuals with one condition have a higher risk of developing the other.

This study observed that disrupting the Pnkp gene in adult mice resulted in a premature aging-like phenotype, suggesting PNKP's vital role in maintaining normal growth and survival of certain progenitor cell populations.

This study observed that patients with autism spectrum disorder have a higher risk of developing alopecia areata compared to those without ASD, suggesting a possible link between the two conditions.

Poor air quality increases the risk of atopic dermatitis in Taiwan.

This study found that gender-affirming hormone therapy in transgender men increased acne and male pattern hair loss, while in transgender women, it led to melasma and female pattern hair loss.

In this retrospective case–control study, researchers observed that patients with alopecia areata had a higher prevalence of iron deficiency anemia compared to controls, suggesting a potential comorbidity that may require assessment and management.

This study found significant gender-based differences in forehead dimensions among 297 participants, with males showing larger vertical measurements, which could inform applications in forensic identification, cosmetic surgery, and anthropological research.