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This study found that testosterone and dihydrotestosterone inhibit the growth rates of hair bulb papilla cells and root sheath fibroblasts, especially at higher doses, while estradiol was ineffective.

This study found that deleting ceramide synthase 4 in skin epidermis stem cells disrupts hair follicle and skin barrier function, leading to immune responses similar to atopic dermatitis, due to imbalances in lipid composition affecting differentiation.

In this study, health state utility values revealed a significant impact on quality of life for patients with alopecia areata, particularly those with more extensive hair loss.

This study reported that among postmenopausal women with female pattern hair loss, treatment with topical finasteride 0.5% and minoxidil 2% was more effective at improving hair condition than treatment with topical 17α-estradiol 0.05% and minoxidil 2%, particularly notable at 12-18 months of follow-up.

This review presents the top 10 research priorities for hair loss management (excluding alopecia areata) as identified by a Hair Loss Priority Setting Partnership aimed at guiding future studies important to patients and clinicians.

This study found that specialized nipple epidermis in mice is maintained by the repression of TGFβ signaling through estrogen, which highlights the role of hormonal regulation in epidermal maintenance.

This study reports the creation of a human dermal mesenchymal-like stem cell line from an androgenetic alopecia patient, which may serve as an in vitro model to explore alopecia mechanisms.

This study found that treatment with cyproterone acetate and estradiol improved emotional well-being and acceptance of being viewed among women with hirsutism, with no significant differences between oral and transdermal estradiol groups.

This study developed a method to culture and maintain chicken feather follicles in vitro, preserving structure and biology similar to their in vivo state, though some gene expression was altered.

This study successfully established and validated a method using LC-MS/MS to measure multiple androgens in plasma, finding that individuals with acne had higher levels of certain androgens compared to those with obesity.

This study found that renin and d-dimer levels were significantly higher in PCOS patients, particularly those also infected with COVID-19, compared to non-PCOS women.

This study suggests that estrogen regulates vitamin A metabolism in skin tissues in a sex-dependent manner, which may have implications for treating acne, hair loss, and skin immunity.

This summary reviews the conflicting reports regarding 17β‐estradiol's effects on hair follicle growth, highlighting potential estrogen receptor-mediated impacts and calling for further research.

In this study involving dogs, co-mingling of mange-infested and healthy dogs proved to be the most effective method for transmitting mange, although placing healthy dogs in kennels recently vacated by infested dogs also led to successful transmission.

This study successfully optimized a culture strategy for dermal papilla cells and established an immortalized cell strain, iDP6, which is suitable for research and application.

This article discusses a market study in Bogotá identifying women with hair problems as the target audience for hair products containing quinoa extracts, and reports no new research findings.

In this study, only European-ancestry females showed a linear increase in cutaneous malignant melanoma risk with age, potentially due to the loss of HPV-infected androgenic follicles after menopause.

This review discusses chronic telogen effluvium, focusing on the potential role of hormonal fluctuations and circadian control genes, and reports no new clinical findings.

In this case report, estrogen substitution therapy slightly increased hair volume in a 22-year-old patient with genetic predisposition to hair loss and alopecia caused by past treatment for leukemia, but hair loss returned after stopping the therapy.

This study found that estrogen, through estrogen receptors, can regulate the expression of the HOXC13 gene involved in hair follicle development, with MLL3 histone methylase playing a collaborative role.

In this study, researchers emphasized the need for standardized definitions and improved methodologies in assessing LC prevalence, suggesting that future research explore prospective cohorts to refine estimates and examine long-term health outcomes.

This study found that estradiol significantly reduces cisplatin-induced cochlear hair cell death in mice, likely by activating Nrf2 and phase II detoxification enzymes.

Tracking invalid extraction rates can improve hair transplant outcomes by assessing surgeon skill.

This study measured estradiol and progesterone in the scalp hair of pre- and postmenopausal women using immunoassay, but found no statistical significance in hormone concentration differences between the groups.

In this study, researchers established three specific cell lines from Cashmere goat hair follicles and found that cytokeratin 13 might be a novel biomarker for identifying dermal sheath cells.

This study found no significant link between iron metabolism, including serum ferritin and hemoglobin levels, and telogen effluvium in women under 40 years old.

This study concluded that a regimen of transdermal estradiol and oral medroxyprogesterone acetate effectively reduces hirsutism while minimizing side effects in women with polycystic ovary syndrome.

This study found that in non-obese women with moderate body hair growth, DHEA-S and prolactin levels were higher, and SBP was lower compared to controls, which may inform treatment decisions.

This study developed and validated a precise RP-HPLC method for simultaneously estimating minoxidil and aminexil in pharmaceutical formulations with good accuracy and specificity.