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This study revealed that nestin-expressing progenitor cells capable of becoming ORS keratinocytes are present during both hair follicle development and in adult hair follicles.

This study found that nestin-expressing unipotent progenitor cells capable of differentiating into outer root sheath keratinocytes are present during hair follicle development and in adult hair follicles.

This study found that alopecia areata patients had higher baseline interleukin levels, which significantly decreased with tofacitinib treatment, though this change did not correspond to disease severity improvement.

This study investigated single-cell changes in photoaged skin, revealing distinct cell clusters and increased activity in PD-L1 and PD-1 pathways in sun-exposed areas, enhancing understanding of UVA-induced skin damage and potential prevention targets for photoaging and UV-induced skin cancers.

This study identified key genes and miRNAs involved in feather morphogenesis in Zhedong White geese, highlighting a negative correlation between FOXO3 and miR-144-y.

This study found that thyroid hormones T3 and T4 enhance keratin 15 promoter activity and stimulate CD200 expression in epithelial stem cells from human scalp hair follicles, affecting their growth and differentiation.

This research indicates that KCED-1 and KCED-2 effectively induce adiponectin production in human subcutaneous fat, which may promote hair growth on the scalp.

This study found that in estrogen receptor-positive breast cancer cells, 17β-estradiol repressed polyamine oxidase transcription by interacting with AP-1 sites on its promoter.

This study suggests that women with polycystic ovary syndrome may have an increased risk of COVID-19-related cardiac and renal complications, and that weight loss through lifestyle changes could help reduce these risks.

In this study, researchers found that miR-199a-3p plays a regulatory role in hair follicle development via the PTPRF/β-catenin axis and established a mouse model of alopecia areata by downregulating this small RNA, suggesting its potential value in studying alopecia diseases.

This study found that bacterially induced metabolic changes in stem cells can enhance skin and hair follicle regeneration in both mice and humans, suggesting potential strategies for improving recovery after injury.

This case report identifies a 32-year-old woman with undiagnosed PHPT-1a who exhibited complete pseudo-anodontia and persistent patchy alopecia areata, suggesting these may be new nonclassical features of a GNAS pathogenic variant.

This study found that keratin 15 lacks the ability to sequester YAP1 in keratinocytes effectively, unlike keratin 14, and suggests that a higher K15:K14 ratio may promote a progenitor state and inhibit differentiation in epidermal keratinocytes.

This study evaluated current treatments for pediatric alopecia areata and found that high potency topical steroids had the strongest supporting evidence, with promising results also observed for anthralin ointment and other treatments in lower-grade studies.

This study found that the vitamin D receptor in lampreys, which lack bones and hair, binds 1,25-dihydroxyvitamin D3 and may function to induce enzymes for detoxifying substances.

TRPV1 helps regulate hair growth cycles.

This study reported that baicalin activates the Wnt/β-catenin signaling pathway in mouse hair follicles, suggesting its potential as a topical treatment for hair loss.

This review discusses the similarities between COVID-19 and acute radiation syndrome, highlighting their shared inflammatory responses and suggesting that insights from radiation biology could inform COVID-19 research and treatment approaches; it reports no new clinical results.

This study found that 42% of red yeast rice dietary supplements did not list monacolin concentrations on their labels, and only half of those that did contained the declared amounts.

This study found that bolandiol increased lean body mass and bone mineral density in castrate adult male rats, exhibiting tissue selectivity and acting through multiple receptor pathways with less potency compared to other androgens.

This review suggests that mucosa-associated invariant T cells may regulate the host response to SARS-CoV-2 and could be potential targets for COVID-19 management, but it reports no new clinical results.

This study found that after topical application in rats, 1,24-dihydroxyvitamin D3 absorbed through both the stratum corneum and hair follicles, with about 30% excreted via the faeces.

This study identified genes potentially involved in hair and cashmere growth in the Laiwu black goat, highlighting specific gene expression differences between hair-growing and hairless skin.

This study reports that two oral hormonal agents, dimethandrolone undecanoate and 11β-methylnortestosterone dodecylcarbonate, may effectively suppress hormones to contraceptive levels in men with mild side effects, though longer-term trials are required to confirm their safety and efficacy.

This study on UVB-exposed mice found that topical application of 10% Rosmarinus officinalis essential oil significantly increased hair length and follicle diameter, attributed potentially to its antioxidant compounds.

This study found that hair and nails can effectively measure hormone changes such as testosterone, estrogen, and progesterone during the peripubertal period in dogs, with variations observed between males and females at specific developmental stages.

This paper describes recent advancements in the synthesis of thiasteroids but reports no new experimental results, noting that introducing heteroatoms in steroidal structures has potential biological effects.

In this study, Ageratum houstonianum ethanolic extract and its active component agerarin were found to promote hair growth and follicle elongation by increasing SCUBE3 expression via activation of MAPK–AP-1 signaling in human dermal papilla cells, suggesting potential therapeutic value for treating hair loss.

This study found that hydro-alcoholic Eclipta alba extract may have anticancer and multidrug resistance-reversal effects in animal models, suggesting potential as an adjunctive agent in tumor chemotherapy.

This study found that GhPLDα1 in upland cotton may be involved in fiber development, correlating with increased hydrogen peroxide and cellulose biosynthesis during secondary cell wall thickening.