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This study identified four proteins that differ between Type III and non-Type III hair in Yangtze River Delta white goats, contributing to understanding the development of high-quality brush hair.

In this study, researchers analyzed spaceflight data from various sources and found that skin issues during spaceflight are linked to DNA damage, mitochondrial dysregulation, and gene alterations, while also highlighting the skin's adaptability post-flight.

This study explored peripheral blood immune dysregulation in alopecia areata through single-cell analyses, identifying systemic changes linked to disease severity and key signaling roles for monocytes, NK cells, and memory T cells, suggesting potential therapeutic targets.

This study found that children with cancer showed more deviation from typical facial morphology compared to healthy controls, although the differences were not enough to distinguish patients from controls based on facial asymmetry alone.

In this animal study, finasteride was found to significantly lower cortisol and increase testosterone levels in female rats, indicating its broader impact on endocrine regulation by altering adrenal and gonadal hormones.

This study found that women with polycystic ovary syndrome had significantly higher serum lactate dehydrogenase levels and lower levels of cortisol, dopamine, zinc, and vitamin D3 compared to healthy controls.

This study observed that testosterone concentrations in hair segments show some stability over time, but are influenced by factors like sebum integration, hair washing frequency, and individual hair growth rates.

This study suggests that measuring cortisol levels in hair may serve as a useful biomarker for assessing mood in individuals with bipolar disorder over recent months.

This study found that hair testosterone concentrations show some consistency over time, but factors like hair washing and individual growth rates influence these levels, suggesting the need for careful sampling and analysis adjustments.

This study found that steroid hormones influence the quality indicators of fresh and cryopreserved stallion sperm, with testosterone negatively correlated with motility and estradiol positively correlated with survival rate.

This case study reports a patient with ACTH-driven cortisol secretion 14 years after adrenalectomy, suggesting possible residual adrenal tissue or extra-adrenal steroid synthesis, challenging the need for lifelong steroid replacement.

This case report describes a testosterone- and cortisol-secreting adrenocortical oncocytoma causing hirsutism in a 23-year-old woman, highlighting adrenal oncocytomas as an important consideration for differential diagnosis.

In this study, scalp hair sweating was a significant predictor of hair cortisol levels in healthy adults, while BMI and perceived stress, although associated, did not significantly predict cortisol levels.

This meta-analysis found that lower serum SHBG levels are associated with an increased risk of PCOS, and improving SHBG levels through treatment may reduce PCOS complications.

This study reports that clinical trials of finasteride for androgenic alopecia provide insufficient and systematically biased safety data, with most participants unrepresentative of those in pivotal trials that led to FDA approval.

This study found that finasteride significantly alters urinary steroid profiles, complicating the detection of steroid abuse in doping-control analysis by potentially causing false-negative results.

Women with PCOS have higher 5α-reductase activity, which may be linked to insulin resistance.

This study found that young men with early-onset androgenetic alopecia have a worse glycolipid profile and hormone pattern similar to women's PCOS, suggesting a possible male PCOS-equivalent syndrome.

This study found that depression and chronic stress are highly correlated in pregnant women, suggesting different stress mechanisms modulate hair cortisol levels in depressed versus non-depressed individuals.

In this study, researchers found that non-invasive analysis of skin surface lipid RNAs revealed alterations in gene expression patterns associated with atopic dermatitis, suggesting its potential for understanding skin disease pathophysiology.

This study suggests that hair cortisol and cortisone may moderate the relationship between work stress and depressive symptoms in Chinese fishermen, although their mechanisms differ.

This study investigated the genetic basis of coat color variation in cattle using skin transcriptome and whole-genome analyses, identifying the ASIP gene as a significant determinant that is differentially expressed and under strong positive selection in black and brown cattle breeds.

This study found no significant difference in the prevalence of PCOS between women with and without PSD, although some clinical and blood parameters did differ.

This study found that women with PCOS had significantly higher hair cortisol concentrations, suggesting hyperactivation of the HPA axis may affect metabolic and inflammatory markers in those with elevated cortisol levels.

This study found that skin surface lipids contain measurable mRNAs, providing a non-invasive way to study skin diseases, with specific gene expression changes observed in atopic dermatitis patients.

This study found that maternal caffeine intake during gestation and lactation can lead to skin lesions like hypotrichosis and alopecia in both mother and offspring rats, irrespective of maternal cortisol levels.

This letter to the editor raises the possibility of a new medical entity characterized by symptoms such as poikiloderma, hyperpigmentation, alopecia, malformed bones, lymphedema, and decreased cortisol, but provides no clinical results.

This study observed that in privately owned, intact cats, male cats exhibited significantly higher long-term hair cortisol concentrations compared to females, while environmental and behavioral factors did not significantly impact cortisol levels, suggesting individual traits may influence stress markers more than external factors.

This study found that hair loss is common following metabolic and bariatric surgery, particularly among younger women with low serum levels of zinc, folic acid, and ferritin.

In this review and meta-analysis, the authors concluded that 5α-reductase inhibitor therapy is not consistently associated with significant increases in serum testosterone levels in men.