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This review discusses genetic factors contributing to susceptibility and outcomes in COVID-19, including ACE, ACE2, TMPRSS2 variants, HLA genotype, and ABO blood group, but reports no new experimental results.

This study suggests that Thyroxine (T4) may promote key features of human skin wound healing, such as re-epithelialization and angiogenesis, in an ex vivo model.

This study found that a cocktail of three proteins from embryonic skin can enable adult fibroblasts to regenerate hair follicles by altering gene expression and activating regenerative signaling pathways.

This article discusses the discovery of the first known menstruating rodent, the spiny mouse, and proposes that a significant increase in progesterone during the luteal phase is a unique feature of menstruating species, but reports no new experimental results.

This review examines the diverse roles of SRD5α enzymes across species, focusing on their involvement in steroid synthesis, sexual development, and various physiological processes, but reports no new clinical results.

This study confirms the presence of large structural variations in the genome of Nellore cattle, which may contribute to their environmental adaptation to tropical regions.

This overview highlights the exploration of mesenchymal stromal cells as potential treatments for COVID-19, noting their regenerative and immunomodulatory properties for reducing ARDS severity in critically ill patients, but it provides no new clinical results.

In this study, oral collagen peptides increased certain gene expressions related to epidermis development and the hair cycle in hairless mice skin, suggesting potential links to hair health.

In this review, the authors summarized the neuroprotective role of water- and fat-soluble vitamins in neurodegenerative diseases, highlighting their potential preventive and therapeutic effects through antioxidant and anti-inflammatory properties while acknowledging some studies question their preventive influence.

This study demonstrated that allopregnanolone administration caused significant scratching in atopic dermatitis mice, and ethanol-induced scratching may be linked to increased brain allopregnanolone levels.

Chicken feather gene mutation helps understand human hair disorders.

This review examines host factors like ACE2 and TMPRSS2 in SARS-CoV-2 infection, exploring how genetic variants and advanced cellular analyses might clarify COVID-19's severity and heterogeneity; it reports no new results.

In this study, the researchers observed that biotin administration in biotin-deficient children with alopecia eliminated certain membrane proteins from their blood, suggesting that biotin might regulate these proteins' expression.

This review discusses the higher prevalence of retinal changes in alopecia areata patients and suggests a potential connection to Minoxidil, but emphasizes the lack of a proposed mechanism or extensive literature on this association.

This study found that sulforaphane and its related compounds may promote hair follicle growth in mice, suggesting their potential as treatment agents for androgenic alopecia.

This review identifies natural plants that possess androgen-related compounds, highlighting the potential of phytoandrogens as alternatives to allopathic treatments for conditions like hypogonadism, impotence, infertility, and erectile dysfunction.

This review highlights the potential of TCM medicinal foods for managing post-COVID disorders and suggests they could provide a safe and efficient long-term therapy due to their milder nature.

This review suggests that GABAergic neuroactive steroids modulated by alcohol could play a role in vulnerability to alcohol use disorders, providing a rationale for further therapeutic exploration.

This article reviews small animal experiments reported from 1932 to 1952 in two dermatology journals and notes the contributions of Farris's book on laboratory animal care.

This overview discusses the impact of alopecia on quality of life and finds that while various factors can cause hair loss, herbal therapies offer promising, accessible, and low-cost complementary treatment options, although further clinical validation is needed.

This review discusses how herbal therapies may help manage alopecia and improve quality of life, noting their potential benefits like lower cost and fewer side effects, but emphasizes that more clinical studies are needed for validation.

In this study, researchers observed that genetically identical cloned dogs, when exposed to different environments like an airport and a police station for two years, exhibited significant differences in toxic mineral concentrations and intestinal microbiota composition, suggesting that environment influences physiological traits even among clones.

This review describes the genetic and phenotypic diversity of Woodhouse-Sakati syndrome, highlighting new DCAF17 gene variants and their varying clinical implications.

This animal study found that finasteride, a 5-alpha reductase type 2 inhibitor, decreased dihydrotestosterone levels and c-Fos protein activation in the rat brain, but these effects may diminish after discontinuing the drug.

COVID-19 can cause different types of hair loss, with telogen effluvium being the most common.

This study found that gene therapy using a mouse cytomegalovirus vector with telomerase reverse transcriptase or follistatin significantly extended lifespan and improved health markers in mice, without adverse effects.

The researchers reported that DHT may reduce the inflammatory responses induced by C. acnes in androgen-sensitive human sebocyte cells, suggesting a potential link between androgens and infection in sebaceous disorders.

In this study, repeated finasteride administration was associated with decreased social interaction and cognitive deficits in male rats, potentially linked to changes in cholinergic system activity.

This review discusses the effects and selection criteria of different progestogens in various treatments but reports no direct clinical comparisons of their metabolic effects.

This review discusses sex-based differences in immune responses, focusing on genetic, hormonal, and microbiome factors influencing infections like COVID-19, and reports no clinical results.