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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 study found that controlling transferrin receptor expression effectively regulates iron content in the epidermis and hair of transgenic mice.

This study found that cysteine supplementation significantly increases keratin expression in human keratinocytes, and counteracts the negative impact of iron deficiency on keratin production by enhancing iron availability for cellular processes.

This study suggests that epidermal turnover could be a regulated mechanism of iron excretion, with systemic iron levels influencing keratinocyte behavior and differentiation markers in the skin.

Dr. Shyam B Verma encourages more scientific research on hair disorders and criticizes the unscientific hair care market in India.

This study found that higher levels of AR expression are linked to a decreased risk of severe COVID-19 in females, and identified ACE2, MX1, and TMPRSS2 as important molecular markers for COVID-19 management.

This study found that Erdr1 expression was significantly reduced in the skin of patients with hair loss disorders, particularly alopecia areata, suggesting it may serve as a novel biomarker.

This study in Italy observed telogen effluvium and trichodynia as common hair-related complications following COVID-19 infection, raising questions about underlying hair follicle biology and potential receptor involvement.

This study found that treatment with cyproterone acetate and ethinyl oestradiol increased hair density in women with diffuse androgen-dependent alopecia, particularly when serum ferritin levels were above 40 μg/l.

This study found a significant association between alopecia areata and low serum ferritin levels, suggesting that assessing and correcting iron stores might improve alopecia areata management.

This case study potentially links the use of anabolic steroids to increased severity of COVID-19 in a healthy 28-year-old man, with marked symptom improvement following treatment with proxalutamide.

This study found that ferritin levels were positively associated with insulin resistance in non-diabetic Korean men and postmenopausal women, but not in premenopausal women.

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 study, Libyan patients with diffuse hair loss were found to have significantly lower levels of zinc, ferritin, and vitamin D compared to those without hair loss, suggesting a possible link between these micronutrient deficiencies and hair loss.

This study, conducted among 50 women with female-pattern hair loss, observed that 89% had deficient or insufficient vitamin D levels and also showed low ferritin levels, suggesting these deficiencies may contribute to hair loss.

This study indicates that higher thyroid-stimulating hormone levels may be linked to post-COVID-19 hair loss in women, while ferritin levels showed no significant correlation.

This study found that patients with telogen effluvium had significantly lower serum ferritin levels compared to healthy controls, suggesting a relationship between telogen effluvium and decreased iron stores.

In this study, researchers found that synchronization between expanding epithelial cells and background mesenchymal cells in the mouse hair cycle may be maintained by inhibitory regulation, with potential mediators of this regulation identified.

In this hospital-based study, researchers found that serum ferritin levels were significantly lower in individuals with acne compared to healthy controls, suggesting a possible link between iron deficiency and acne pathogenesis.

This study found that women with androgenetic alopecia or alopecia areata have significantly lower serum ferritin levels than those without hair loss, suggesting a potential link between these types of alopecia and decreased iron stores.

This study found that low serum ferritin and vitamin D2 levels are associated with hair loss in females with chronic telogen effluvium and female pattern hair loss, suggesting potential benefits of screening and supplementation.

This study found that serum 25-hydroxyvitamin D was inversely associated with serum ferritin levels in Korean men, positively associated in premenopausal women, and not associated in postmenopausal women.

This study observed that patients with post-COVID telogen effluvium had lower serum ferritin levels than controls, but the levels were not indicative of nonanemic iron deficiency.

This review discusses the role of various hormones in diffuse hair loss and emphasizes the need for further research to clarify their complex interactions and potential therapeutic implications, but reports no new clinical results.

In this case report, a 36-year-old woman with alopecia areata experienced significant hair regrowth and reduced hair fall after 8 months of individualized homeopathic treatment combined with nutritional support, along with normalization of thyroid and ferritin levels.

Diffuse alopecia in women may be related to androgens and iron deficiency, and basic hormone and nutrient screening is useful.

This study identified specific gene expression profiles during the intestinal regeneration of sea cucumbers, highlighting potential novel genes and advancing the understanding of regenerative biology in echinoderms.

This review explores the hormonal regulation of hair growth and changes with season, age, and sexual development, and calls for improved treatments for hair disorders.

This review examines the epidemiology, pathogenesis, clinical manifestations, and diagnosis of female pattern hair loss and reports no new results.

This study found that serum calcium, serum ferritin, and vitamin D3 levels were lower in students with premature graying of hair compared to controls, suggesting a potential role in the condition.