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In this study, ritlecitinib treatment for 12 and 24 weeks downregulated immunity-related genes and upregulated hair keratin genes in patients with alopecia areata, correlating with scalp hair regrowth response.

This study explored 25-hydroxyvitamin D3 levels in hair samples from participants in Aberdeen and suggested potential links between hair vitamin D levels, seasonal UVB exposure, and marine diet in both modern and archaeological contexts.

This study found that in dogs with dermatological disorders, fungal dermatitis was diagnosed in 20.77% of cases, with Microsporum spp. being the most common fungal pathogen, emphasizing the need for thorough diagnostic approaches including clinical, microscopic, and cultural assessments.

In this case study, a 14-year-old male with treatment-resistant diffuse alopecia areata experienced complete hair regrowth after three monthly sessions of microneedling combined with triamcinolone, dutasteride, and synthetic exosomes, suggesting this therapy might enhance outcomes in refractory cases.

This review found promising evidence for the efficacy of certain laser and light-based therapies in treating various forms of alopecia, such as low-level light therapy for androgenetic alopecia and excimer laser for alopecia areata, but emphasized the need for further understanding of these treatments.

This article highlights the need for a comprehensive review of injectable minoxidil for hair loss, as existing treatments primarily focus on topical and oral forms of the medication.

This study identified distinct immune differences in patients with alopecia areata, particularly those with atopic backgrounds, and highlighted the OX40 axis as a potential therapeutic target for the condition.

Topical corticosteroids are recommended first for treating pediatric alopecia areata due to safety and ease of use.

In this case report, the authors identified that sebaceous gland atrophy, traditionally associated with psoriatic or drug-induced alopecia, can also appear in seborrheic dermatitis, complicating the histopathological evaluation of alopecia biopsies and emphasizing the need to consider seborrheic dermatitis in differential diagnoses.

In this study, researchers found that topical application of the diabetes medication Sitagliptin in mice accelerates hair follicle regeneration and reduces fibrosis, suggesting it could be repurposed to treat hair loss conditions like alopecia.

Targeting immune pathways like JAK/STAT may help treat frontal fibrosing alopecia.

This study found that acne lesions and nonlesional skin in mild-to-moderate acne patients showed significant Th17-skewing and increased antimicrobials, suggesting systemic targets like IL-17/IL-23/IL-36 could be therapeutic.

This study found that both Th1 and Th2 cytokine markers were elevated in the serum and skin of patients with alopecia areata, with Th2 markers more closely linked to disease severity.

This study used single-cell RNA sequencing to identify at least nine subpopulations of keratinocytes in human neonatal epidermis, revealing unexpected heterogeneity and complex differentiation trajectories.

In this study, three patients with extensive alopecia areata receiving ustekinumab treatment showed significant hair regrowth and decreased inflammation over 20 weeks, suggesting potential targeted treatment for this condition.

This case report describes a 48-year-old male with severe, itchy hypertrophic lichen planus who showed a 90% improvement in lesions following 4 months of treatment with oral acitretin, with no recurrence 6 months posttreatment.

The woman's rare combination of diseases suggests an unknown factor may predispose individuals to multiple endocrine diseases.

This study found that prenatal exposure to finasteride in pregnant rats significantly disrupted male reproductive development, confirming its use as a positive control for androgen-related reproductive effects.

Hair loss linked to higher heart disease risk in both men and women.

This study found that nanocapsules formulated as a dispersion and applied with massage may enhance follicular uptake of clobetasol propionate while minimizing its skin penetration, offering a potential improvement over conventional treatments for scalp diseases.

The researchers reported that during early embryogenesis and larval development in Silurana tropicalis, inhibiting steroidogenic enzymes cyp19 and srd5beta affects genes related to thyroid and reproductive systems.

This study developed a rapid, cost-effective three-dimensional skin equivalent model using human dermal fibroblasts, collagen, and hair follicles, which closely resembles natural human skin and can be used for autologous transplantation.

This study found that patients with lichen planus had significantly higher levels of triglycerides, total cholesterol, and LDL-C, and lower HDL-C compared to healthy controls, suggesting an association with dyslipidaemia.

This study found that both men and women with androgenic alopecia had significantly higher triglycerides, total cholesterol, and LDL-C and lower HDL-C levels than controls, suggesting increased dyslipidemia prevalence.

This study found that chronic exposure to fadrozole or finasteride during frog development induced intersex individuals, which displayed different gene expression profiles depending on the chemical used.

People with hair loss have higher risk of high blood sugar and diabetes, and lower levels of a specific hormone.

This study found that men with early-onset androgenetic alopecia had significantly larger prostate volumes and lower urinary flow rates compared to healthy controls, suggesting a possible link between AGA and prostate-related urinary symptoms.

This review highlights the potential for clinicians to recognize skin manifestations as a straightforward method to detect insulin resistance and improve management of diabetes and obesity.