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This study found that combining 17α-estradiol 0.01% with minoxidil 2% offered no statistically significant advantage over minoxidil alone for treating female pattern hair loss and may increase the risk of menstrual irregularities.

The study demonstrated that both DKK2 and SOSTDC1 are necessary for normal timing of the first catagen phase in mice hair growth cycles.

This study found that the natural estrogen Estetrol (E4) may promote hair follicle growth and prevent miniaturization, suggesting its potential as a treatment for hair loss disorders.

This study reviewed preliminary evidence suggesting platelet-rich plasma could play a significant role in hair restoration, with animal experiments showing faster hair cycle transitions compared to controls.

This study found that finasteride treatment reduced urinary androgen and prostaglandin levels in male pattern baldness patients to levels similar to healthy controls.

Using a specific laser and platelet-rich plasma together can effectively improve hair thickness and density in men with hair loss, without serious side effects.

This study found distinct gene expression profiles in the parietal and occipital scalp of individuals with androgenetic alopecia, linked to developmental origins and susceptibility to hair loss, offering insights into genetic and epigenetic factors involved in AGA.

This review discusses various light and laser treatments for hair loss, highlighting potential benefits but emphasizes the need for more scientific evidence before recommendations can be made.

ROS may affect hair loss related to hormones.

This study found no significant epidemiological association between male androgenetic alopecia and severe Covid-19, but suggests a potential shared biological basis in specific pathways.

This study analyzed the distribution of adhesion molecules and extracellular matrix components in human fetal skin, suggesting their roles in hair follicle development.

GLP-1 therapies can cause hair loss, but hair often regrows after stopping or reducing the drug.

This review discusses the cutaneous symptoms associated with COVID-19 and their potential use in diagnosing and assessing the severity of the disease, but it reports no new clinical results.

This review examined dermatologic symptoms associated with COVID-19 in 2,560 patients, with chilblains/pernio-like lesions being the most common, suggesting these symptoms may aid in early identification of cases.

This review focuses on the various skin symptoms associated with COVID-19 but reports no new clinical findings.

This study found that patients with androgenetic alopecia had a higher prevalence of metabolic syndrome compared to healthy controls.

Finasteride lowers PSA levels about the same whether taken at 1 mg or 5 mg daily.

This article argues that androgen sensitivity could be a key factor in the severity of COVID-19, suggesting that trials with anti-androgen agents may be warranted.

This article discusses the potential link between genetic variants associated with androgen receptor activity and racial variations in COVID-19 mortality, suggesting a possible role for anti-androgens in treatment, but reports no new clinical findings.

This study found evidence suggesting a potential genetic link between polycystic ovaries and premature male pattern baldness through screening of first-degree relatives of women with polycystic ovary syndrome.

This study found that permanent alopecia can occur after certain chemotherapy treatments and presents as nonscarring hair loss similar to androgenetic alopecia, with specific histological features that could be misdiagnosed without proper clinicopathological correlation.

This article discusses the controversy over serum ferritin levels in diagnosing iron deficiency in women with hair loss but reports no new findings, emphasizing the need for consistent reference ranges.

This study found that 58% of men aged 30-50 had androgenic alopecia, with disease severity increasing with age and many being candidates for medical treatment or hair transplantation.

This study found that 5-alpha-reductase inhibitors were associated with a reduced frequency of COVID-19 symptoms in males with androgenetic alopecia.

This study observed various patterns of permanent alopecia in breast cancer patients treated with taxanes and adjuvant hormonal chemotherapy, hypothesizing disruptions in hair follicle cycles due to chemoinflammatory and hormonal factors.

Finasteride can cause one-sided breast enlargement, which disappears after stopping the drug.

This study reported that COVID-19 was causally associated with postinfectious hair shedding, which varied with disease severity, but hair completely recovered.

In this study, men taking 1 mg/day of finasteride for 12 months showed minor metabolic changes and slight improvements in glucose metabolism.

This study found that prostaglandin D2 reduced proliferation in bulge resident K15+ stem cells but not in other K15+ progenitor cells, suggesting differential impacts on hair follicle stem cell niches.

This article discusses the contributions of Dr. Shoji Okuda to the field of hair transplantation and reports no new research findings.