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In this study, researchers used in silico mutagenesis to identify key calcium-binding sites influencing the stability of Rand protease from Bacillus subtilis, potentially enhancing its application in industries like leather dehairing by improving stability and eliminating the need for additional metal ions during the process.

In this study, a very low-calorie ketogenic diet significantly improved metabolic and hormonal profiles in obese men, but did not significantly enhance most semen parameters except for sperm motility.

Skin changes can indicate starvation and nutritional deficiencies in anorexia nervosa.

This paper discusses key mechanisms of androgen metabolism in androgenetic alopecia and reports the effectiveness of treatments like oral finasteride and topical minoxidil, highlighting the limited success rate due to factors like follicular inflammation.

This study found that SZ95 sebocytes and HaCaT keratinocytes exhibit distinct enzyme expressions and activities, implicating their different roles in androgen metabolism and homeostasis in vitro.

This study found that proteomic analysis can distinguish hair samples across different ethnicities and body regions based on keratin protein levels, which may aid forensic hair identification.

This study found that daily consumption of soft drinks significantly increases the risk of moderate-to-severe acne in adolescents, particularly if sugar intake from these drinks exceeds 100 grams per day.

This study found that oxidative damage is present in the mitochondria of PolG mice, which exhibit premature aging-like phenotypes due to mitochondrial dysfunction.

This review examines biological reasons for sex-based differences in COVID-19 outcomes, noting that females exhibit stronger immune responses, potentially explaining lower severity and mortality compared to males.

This review examines the role of retinoic acid synthesis in hair follicles and sebaceous glands, focusing on its localization and function during normal and disease states, but reports no new results.

This review highlights that while dexamethasone may reduce mortality in severe COVID-19, no other drugs have proven effectiveness for treatment, emphasizing the need for clinical trials of existing medications.

This review covers the diverse cutaneous and systemic presentations of sarcoidosis in patients with skin of color, emphasizing the importance of early recognition to improve outcomes despite a generally poorer prognosis compared to Caucasians.

This review discusses sex and gender differences in COVID-19 presentation, treatment, and outcomes, and reports no new clinical findings.

This review discusses the role of the androgen receptor in breast cancer diagnosis and treatment, and notes a lack of new research results on its therapeutic potential.

This study found that differences in cashmere fiber diameter in Tibetan cashmere goats are associated with variations in metabolic, hypoxic, and stress response-related proteins, offering insights for breeding strategies.

This study found that compounds 21–23 and 25 exhibited strong 5α-reductase II inhibition in vitro and significantly reduced rat prostate weight, performing comparably to finasteride.

This review discusses targeting host cell proteases as a novel approach to inhibit SARS-CoV-2 infection, highlighting transcriptional modulation and enzymatic inhibition as promising therapeutic strategies, but it reports no new clinical findings.

This study identifies iRhom2 as a crucial regulator of hair follicle differentiation, showing that the iRhom2Uncv mutation leads to dysplasia and reduced TACE maturation, resulting in a hairless phenotype in mice.

In this retrospective study, low-dose methotrexate was observed to be effective and well-tolerated in treating recalcitrant alopecia areata multiplex, achieving complete or near-complete hair regrowth in about 90% of patients despite some experiencing elevated liver enzymes and gastrointestinal discomfort.

Finasteride doesn't affect antipyrine metabolism, so interactions with cytochrome P-450 enzyme drugs are unlikely.

This review outlines the current understanding of how pH contributes to root hair development and reports no new experimental findings.

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 established that a human epidermal model can be utilized to assess 5alpha-reductase activity and evaluate enzyme modulators, such as finasteride, for dermatological applications.

This study found that PCOS women with COVID-19 had lower ACE2 levels and higher insulin resistance, suggesting increased cardiovascular risk.

This review found that anti-aging peptides show promise in cosmeceuticals due to their targeted actions to rejuvenate skin, but challenges like peptide stability, penetration, and limited clinical data limit their current effectiveness.

This study found that Ca²⁺ signaling and peptidylarginine deiminase enzymes play a crucial role in activating neural stem cells in response to injury in zebrafish, suggesting potential therapeutic targets for CNS injuries and cancer.

This study reports that PADI4, an enzyme involved in posttranslational protein modifications, regulates progenitor cell transitions in hair follicle development by repressing transcription and interacting with translational and ribosomal processes.

This study investigated the genetic factors influencing cashmere quality differences between Jiangnan cashmere goats and Changthangi pashmina goats, identifying 4,942 differentially expressed genes and highlighting 24 key genes related to hair follicle development and cashmere fiber formation.

In this study, researchers identified significant differences in lipid composition between grey and black hair follicles in women with type 2 diabetes and healthy controls, suggesting these lipids may contribute to the production of grey hair and may offer targets for anti-grey-hair treatments.

This study reported that a novel cationic liposome formulation for delivering encapsulated Cas9 protein and sgRNA successfully decreased SRD5α2 mRNA expression by 29.7% in vitro, suggesting a potential alternative treatment option for conditions like prostate cancer and benign prostatic hyperplasia without current drug side effects.