59 citations
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October 2020 in “Stem Cell Reviews and Reports” Men have higher COVID-19 mortality rates than women due to biological and lifestyle factors.
89 citations
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August 2013 in “PloS one” Androgen receptors are active in many tissues of both male and female mice, not just reproductive organs.
July 2022 in “Journal of Investigative Dermatology” Skin produces different hormones depending on body part and sex, and a new method can measure them.
451 citations
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March 2005 in “Endocrine Reviews” The enzyme steroid sulfatase is linked to breast cancer and other conditions, and inhibitors are being developed for treatment.
7 citations
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June 2022 in “Biology” Men with more CAG repeats in the androgen receptor gene and lower testosterone levels may experience more severe COVID-19.
November 2024 in “Psychoneuroendocrinology” Testosterone increases hair testosterone levels, stress raises hair cortisol, and relationship status affects hormone levels.
14 citations
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September 2017 in “General and comparative endocrinology” Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.
1 citations
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December 2024 in “BMC Genomics” Nuptial pads in Chinese brown frogs change seasonally due to specific gene activity.
February 2026 in “International Journal of Molecular Sciences” New biological pathways and potential treatment targets for male pattern baldness were identified.
2 citations
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January 2018 in “Biology and medicine” High testosterone levels in 20% of the women studied may indicate PCOS, while 80% had low levels with potential health impacts.
13 citations
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July 2020 in “Stem Cell Research & Therapy” Young donor, early passage stem cells have the highest stemness.
6 citations
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November 1980 in “Clinical Endocrinology” Measuring plasma testosterone glucosiduronate is a reliable way to detect high male hormone levels in women.
4 citations
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November 2020 in “BMC Dermatology” Researchers identified genes in scalp hair follicles that may affect hair traits and hair loss.
63 citations
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November 1999 in “British journal of dermatology/British journal of dermatology, Supplement” Hair sensitivity to androgens is partly controlled by specific enzyme expressions in different hair areas.
The role of 5α-reductase-3 in prostate cancer is unclear and needs more research.
280 citations
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May 2005 in “Andrology” Testosterone treatment for older men can have short-term benefits, but long-term risks are unclear, requiring careful evaluation and monitoring.
40 citations
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January 2013 in “Frontiers in Endocrinology” Finger length ratios are not linked to the number of specific gene repeats affecting testosterone sensitivity.
11 citations
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April 2020 in “Andrology” Testosterone replacement therapy, especially intramuscular, raises PSA levels, but no overall link between PSA and testosterone was found except in non-BPH patients.
January 2026 in “Scientific Reports” PCOS involves immune and genetic factors, with key roles for T cells and specific genes.
April 2022 in “International journal of respiratory and pulmonary medicine” People with lower levels of free testosterone tend to have worse COVID-19 outcomes.
September 2023 in “Scientific reports” Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
25 citations
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July 1994 in “Journal of dermatological science” Testosterone affects hair follicles differently across body sites, with beard hair follicles showing more activity of a specific enzyme and presence of androgen receptors compared to scalp hair.
5 citations
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April 2014 in “International Journal of Pediatric Endocrinology” Prepubertal girls with hypertrichosis have more sensitive androgen receptors, leading to increased body hair growth.
October 1999 in “The Journal of Urology” New treatments and diagnostic methods for urological conditions show promise, but some lack sufficient accuracy for clinical use.
March 2026 in “Frontiers in Medicine” High-dose testosterone with finasteride improves muscle health in males with spinal cord injury.
21 citations
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December 2015 in “Development Growth & Differentiation” DHT is crucial for urethral formation, and its disruption can affect masculinization and lead to hypospadias.
6 citations
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July 2018 in “Scientific Reports” Methamphetamine affects gene expression in rat whisker follicles, with key genes linked to addiction.
January 2014 in “Duo Research Archive (University of Oslo)” Steroid hormones may affect sexual maturation in cod by altering certain KCa channel expressions.
1 citations
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November 2023 in “Endocrine Connections” DHEA is the main sex steroid in cerebrospinal fluid, and testosterone in the fluid comes from the blood.
17 citations
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June 2020 in “Animals” lncRNAs may regulate hair follicle development in Hu sheep.