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This review discussed the variability in measuring serum testosterone levels and emphasized the need for standardizing testing and sharing updated treatment protocols to manage male hypogonadism effectively. It also highlighted the importance of considering secondary hypogonadism causes and suggested consulting with endocrinologists for optimal management.

This study found that S. scabiei infestation in rabbits leads to epidermal thickening possibly due to apoptosis-related proliferation and keratinization of the skin.

In this laboratory study, researchers reported that Camellia sinensis seed flavonoids significantly reduced oxidative stress and inflammation in UV-irradiated skin cells by modulating key signaling pathways, highlighting its potential as a skincare ingredient for anti-inflammatory and anti-photoaging benefits.

The study suggests that refractory chronic alopecia areata cases have more infiltrating skin resident memory T cells, and using a JAK inhibitor may be an effective treatment option.

This study found that human dermal stem/progenitor cells demonstrated greater proliferation and differentiation potential than hair follicle dermal papilla cells, which showed increased expression of hair regeneration markers.

In this study, researchers found that fenugreek seed extract reduced prostate size, DHT levels, and cell proliferation in a testosterone-induced BPH rat model while modulating various genetic expressions, suggesting its potential as an alternative treatment for benign prostatic hyperplasia.

This study identified key proteins, FKBP10 and FBN2, that promote the growth cycle of secondary hair follicles in cashmere goats, with higher expression in the anagen phase, offering insights into mechanisms potentially enhancing cashmere yield and quality.

This study observed unexpected heterogeneity among pigment cells in human scalp hair follicles, identifying immature melanocyte populations outside traditional pigment production zones, raising questions about their potential roles beyond melanin synthesis.

This study suggests that Artemis, particularly phosphorylated at serine 516, may have roles in hair follicle growth by influencing differentiation, proliferation, apoptosis, and cell cycling.

This study found that resveratrol improved ovarian function, menstrual irregularities, hair loss, and sex hormone levels in patients with polycystic ovary syndrome compared to placebo.

This study found that hair-type tissues in hedgehogs show higher enrichment of immune-related genes compared to spine-type tissues, suggesting that spines evolved to protect against injuries and infections.

This chapter reviews polycystic ovary syndrome's clinical features, highlighting diagnostic criteria and management strategies, and reports no new findings; the authors emphasize the need for targeted treatment approaches.

This review discusses polycystic ovary syndrome, highlighting its associations with hyperandrogenism, chronic anovulation, polycystic ovaries, and increased risks of infertility and metabolic disorders, and reports no new clinical results.

This article discusses polycystic ovary syndrome (PCOS), its symptoms, and links to insulin resistance and type 2 diabetes, but reports no new research findings; the authors emphasize recognition of features in youth.

This study found that octahydrobenzo[c]quinolizin-3-one derivatives, particularly compound 3, were potent and selective inhibitors of the enzyme 5α-reductase type 1.

In this study, Epimedii Folium extract was found to enhance melanin production and promote pigmentation through mechanisms involving the MAPK/ERK1/2 pathway in both in vitro and in vivo models.

This study found that upregulated miR-149 restricted hair follicle stem cell differentiation and hair growth by inhibiting the MAPK1/ERK2 pathway, which affects FGF2 and c-MYC expression.

This study successfully synthesized novel cercidin analogues from Cercidophyllum japonicum, confirming their structure via NMR data. The researchers suggest these compounds could facilitate future antibiotic development by advancing structure-activity-relationship studies.

In this study, testing Annurca apple extract on human follicle dermal papilla cells indicated its potential to prevent patterned hair loss by reducing oxidative stress and increasing factors involved in hair growth.

Water extract of cacumen platycladi helps hair growth by affecting specific cell pathways.

Vitamin D3 affects cell differentiation in specific skin areas.

This study found that dihydrotestosterone (DHT) may shorten the hair growth cycle through mechanisms like cell-cycle arrest and β-catenin downregulation in rat hair follicle cells.

This study found that novel RNA aptamers specifically inhibited FGF5-induced cell proliferation, suggesting their potential as candidates for treating FGF5-related diseases or hair disorders.

This study observed that certain herbal extracts may promote hair growth and inhibit hair loss in cell lines by affecting specific protein expressions similarly to minoxidil.

This study found that FGF5-/- rabbits exhibited a significant long hair phenotype by prolonging the anagen phase, suggesting FGF5 acts as a negative regulator of hair growth.

This study reports that using activated platelet-rich plasma releasate in the preparation of bioengineered hair follicle germs enhanced follicular gene expression and significantly improved hair regeneration in vitro.

This study found that ILK/ELMO2 complexes in epidermal keratinocytes are selectively activated by epidermal growth factor to induce cell migration, unlike with other growth factors.

In this study, researchers found that both direct and witnessed trauma in mice are associated with reduced levels of the neurosteroid allopregnanolone, potentially influencing PTSD outcomes, and that treatment with synthetic neurosteroids may mitigate fear responses linked to observed trauma.

This study found that injecting keratin into the skin of mice promoted hair growth, potentially through keratin's interaction with hair-forming cells and changes in the microenvironment.

This study found that the microRNAs oar-miR-23b and oar-miR-133 inhibit the proliferation and migration of sheep dermal fibroblasts, impacting the development of hair follicles in superfine wool sheep by targeting the genes TGFβ2 and NOTCH1.