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In this study, nearly two-thirds of Saudi adults reported experiencing hair loss following COVID-19 infection or vaccination, with female sex and nutritional deficiencies identified as significant correlates for this condition.

In a hamster model of COVID-19, this study observed that both low and high doses of testosterone worsened illness in males, while finasteride prevented severe outcomes.

This study highlights factors contributing to increasing seborrheic alopecia among teenagers, including hormonal, lifestyle, and psychological influences, and suggests integrated treatment strategies including medication, lifestyle adjustments, and psychological interventions.

In this observational study, researchers found that acute telogen effluvium, a form of temporary hair loss, occurred in 80 patients following COVID-19 infection, with 70 showing a significant decrease in hair density and trichoscopic signs like peripilar sign and yellow dots.

This study found that volatile compounds from Bacillus subtilis strain WM13-24 improved root development in Arabidopsis by influencing auxin signaling.

This article discusses the ongoing care needs for individuals with 21-hydroxylase deficiency due to mutations in the CYP21A2 gene but does not present new clinical findings.

In preclinical studies, topical CUR61414 reduced Hh signaling and shrank BCCs in mice, but this study found no clinical efficacy in human superficial or nodular BCCs.

In this study, transgenic mice expressing Msx-2 developed flaky skin with hyperproliferation and misalignment in epidermal cells, suggesting Msx-2 plays a role in skin and appendage growth control.

This study found that vitamin C increased the survival, proliferation, and hair-regenerative potential of adipose-derived stem cells through the MAPK pathway and enhanced hair growth in mice.

This study found that applying BMP2 stimulated limited regeneration of the amputated P2 bone in mice, but only when applied during a specific "regeneration window" after injury.

This study found that local androgen biosynthesis and metabolism in human sebaceous glands play a crucial role in sebum synthesis and secretion.

This review explores the molecular mechanisms and potential roles of nitric oxide in COVID-19 therapy, but provides no new clinical results.

In this study, researchers suggest that strategic early intervention during fetal wound healing could lead to significantly improved long-term skin regeneration outcomes.

This study found that methyl jasmonate can induce tanshinone biosynthesis in S. miltiorrhiza by affecting the expression of the SmMEC gene, as supported by RT-PCR and transcriptomic data.

This review discusses the transmission and immune response of SARS-CoV-2 and highlights ongoing research for developing vaccines and antiviral treatments, but it presents no new clinical findings.

This study identified distinct gene expression programs in keratinocytes responsible for forming hard scales and soft interscale epidermis in chickens, revealing conserved differentiation genes similar to those in human skin.

This study found that in male yaks, 5α-red1 may play a crucial role in synthesizing DHT to promote hair follicle growth, while E2 synthesized by epithelial cells may inhibit this growth through ERα.

This study reviewed competing endogenous RNA networks related to skin aging and wound healing, finding mechanisms like UVB-induced senescence and photoaging, as well as potential therapeutic targets for improving skin health and recovery.

The researchers suggest that inflammation could be a key mechanism in the development of long COVID, potentially causing symptoms that emerge months after the acute phase of the disease resolves.

In this study, the researchers found that deleting ceramide synthase 4 in the skin's epidermis alters stem cell differentiation, disrupting hair follicle structure and barrier function, potentially leading to immune responses similar to atopic dermatitis.

This study found that dihydrotestosterone treatment may be more beneficial for height in children with 5-α-reductase type 2 deficiency compared to testosterone enanthate, especially in the prepubertal period.

In this study, the administration of indole-based compounds, particularly L-Tryptophan and Tryptophol, to a PCOS-induced rat model resulted in an increased number of healthy ovarian follicles and a reduction in ovarian cysts compared to untreated rats, suggesting potential therapeutic efficacy.

This review discusses the regulation and function of vitamin D and its receptor in skin cells, highlighting their roles in processes such as proliferation inhibition, differentiation, and innate immunity, but reports no new results.

This review discusses various diseases associated with hidradenitis suppurativa, including obesity, arthritis, and pyoderma gangrenosum, but reports no new clinical results and calls for further research.

This review observes higher ACE2 expression in myocardial and lung tissues of heart failure and COPD patients but finds no link between RAAS inhibitors and COVID-19 severity.

This study found that dexpanthenol treatment reduced inflammation, oxidative stress, and apoptosis in rats, providing a protective effect against lipopolysaccharide-induced cardiac and endothelial damage.

This review discusses the host genetic factors influencing COVID-19 susceptibility and pathogenesis, highlighting genetic variations that affect viral entry and immune responses, but reports no new experimental results.

This study concluded that Metformin may be suitable for prophylaxis or mild COVID-19, while a combination of Oseltamivir, Tamoxifen, and Dexamethasone could benefit moderate to severe cases, highlighting the need for more trials on other drug candidates.

This study found that many conditions in patients with COVID-19 were significantly increased compared to controls, with specific phenotypes identified across different demographic and diagnostic attributes.

This study describes the expression patterns of type I inner root sheath keratin proteins K25–K28 in human hair follicles, highlighting their distinct distribution within different layers.