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This study found that in mouse embryonic fibroblast cells lacking autophagy function, overexpression of Atg5 increased cell proliferation, while restoring autophagy reversed this effect, highlighting Atg5's dual role in tumorigenesis depending on autophagy conditions.

This study describes the case of a 22-year-old female with alopecia areata linked to vitamin D deficiency, highlighting the importance of early diagnosis and management of deficiency to prevent broader health issues.

This review covers dermatological conditions experienced by ice-skating athletes due to cold exposure, infections, and inflammation, providing no new clinical findings and emphasizing diagnosis and treatment strategies.

This narrative review explores existing evidence on zinc's impact in certain immune-related, gastrointestinal, dermatological, and metabolic disorders, considering clinical and observational studies to assess zinc supplementation's clinical relevance.

This study found that mitochondrial dysfunction due to Crif1 deficiency in hair follicle stem cells significantly slows the hair growth cycle in adult mice but does not impact the maintenance of HFSC populations.

IL-10 may worsen alopecia areata instead of helping it.

This study reports that vitamin A deficiency can cause dermatologic issues like alopecia and orthokeratosis in Angus calves, and affected calves improved with vitamin A supplementation.

This study found multiple factors, both inherited and acquired, that may lead to bradykinin-mediated angio-oedema, proposing a new classification based on bradykinin production and catabolism imbalance.

This study investigated how vitamin A deficiency, certain diseases, and pregnancy affect cattle coat hair structure, finding notable keratin fibril interference under vitamin A deficiency and structural modifications in chronic renal failure, while pregnant cows exhibited superior hair tensile strength compared to non-pregnant ones.

This study reported that a Pakistani urban population is largely vitamin D deficient, with the majority of those having severe deficiency exhibiting symptoms such as generalized body weakness and depression/anxiety.

This study found that proper levels of retinoic acid, controlled by the enzyme Cyp26b1, are essential for normal hair follicle development and morphogenesis in mice.

This review discusses environmental factors like UV radiation and smoking that affect hair health and highlights the potential role of nutrition, but it reports no new results.

This study found that alopecia areata is linked with a higher prevalence of systemic and psychiatric diseases, suggesting that physicians should monitor for these potential comorbidities.

This review summarizes the effects and complications of bariatric surgery on skin, noting it can alter existing skin conditions like psoriasis and trigger new dermatoses, but provides no new clinical results.

An artificial lipid barrier can restore hair growth in cases of SCD1 deficiency.

This paper reviews seven major systemic causes of hair loss and provides a clinical evaluation framework but reports no new experimental results.

This review discusses causes of hair loss in cats, highlighting self-inflicted trauma due to flea allergy dermatitis, and presents no new clinical findings.

This study investigated how keratinocytes in the skin respond to different iron levels and found they play a significant role in regulating iron homeostasis by storing iron, affecting epidermal differentiation, and influencing inflammation-related gene expression in mice.

This case report describes a 25-year-old woman with alopecia areata and nail spooning, which regressed almost completely after treatment with oral corticosteroids.

This review discusses the role of ferritin in iron homeostasis and its potential utility in diagnosing iron deficiency as a cause of hair loss, while noting that ferritin's impact on skin and hair disorders is not fully understood.

In this review, various causes of hair loss, such as nutritional deficiencies and stress, are discussed alongside potential treatments including Ayurvedic formulations and synthetic options like minoxidil, while emphasizing the need for further studies on conditions like Telogen Effluvium and Female Pattern Hair Loss.

This study found that high-speed optical coherence tomography may be a promising non-invasive tool for analyzing human hair conditions.

Cats lose fur due to various reasons, including allergies, infections, genetics, hormones, diet, cancer, stress, and some conditions are treatable while others are not.

This review explored the causes and treatment options for hair loss, highlighting current therapies like minoxidil and hair transplants, while also emphasizing the need for new approaches such as gene therapies and advanced delivery methods for improved outcomes.

Hairless mice lack fur due to a genetic mutation affecting skin response, not hormone issues.

This review discusses the relationship between vitamin D and various skin diseases, highlighting recent findings on its role and the importance of assessing and correcting vitamin D levels, but reports no new clinical results.

This case report documented a 20-year-old male with alopecia areata who experienced slight hair regrowth following treatment with cyclosporine and methylprednisolone, highlighting the importance of individualized treatment plans and consideration of medication side effects.

This review discusses the senescence–stemness connection in cellular biology and reports no new findings, highlighting implications for both tissue repair and aggressive cancer behavior.

This study found that combining iron supplements with physiotherapy improved hair condition and growth in women with iron deficiency-related telogen hair loss compared to iron supplements alone.

In this study, zinc supplementation rapidly improved conditions such as anorexia, depression, and foot soreness in sheep and goats diagnosed with zinc deficiency, along with healing skin lesions and resumption of hair and wool growth.