February 2021 in “International Journal of Science and Research (IJSR)” A higher testosterone/dihydrotestosterone ratio in PCOS patients may indicate worse metabolic health.
7 citations
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January 2018 in “Neurodegenerative Diseases” Researchers found a new ABCD1 gene mutation linked to a rare brain and nerve disorder with unusual brain changes.
January 2009 in “Journal of Clinical Dermatology” CAG repeat numbers in the AR gene likely don't affect hair loss in Korean men.
February 2025 in “International Journal of Molecular Sciences” RIPK1 inhibitors may help prevent alopecia areata by reducing immune cell activity.
1 citations
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October 2025 in “Journal of Allergy and Clinical Immunology” A JAK1 variant causes hair loss, skin issues, and thyroid disease, but treatment with a specific inhibitor can help.
12 citations
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April 2020 in “Medical hypotheses” Men on 5-alpha-reductase inhibitors might have worse COVID-19 outcomes.
15 citations
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August 2022 in “The Application of Clinical Genetics” ABCD1 gene mutations cause adrenomyeloneuropathy, leading to symptoms like limb weakness and spasticity, with management focusing on rehabilitation and spasticity treatment.
1 citations
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September 2021 in “Cureus” The rs1128977 gene variant may affect cholesterol and body measurements.
29 citations
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July 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Aldh1a2 and Aldh1a3 are involved in making retinoic acid in hair follicles and have different roles in hair growth.
58 citations
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June 2000 in “The Journal of Steroid Biochemistry and Molecular Biology” Different types of androgens bind differently to two receptors, AR1 and AR2, in Atlantic croaker's brain and ovarian tissues, suggesting these receptors may control different androgen actions in fish.
March 2014 in “Annals of Internal Medicine” Combining α1-blockers with 5α-reductase inhibitors improves urinary symptoms in men.
34 citations
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July 1993 in “PubMed” 2 citations
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March 2025 in “Journal of Translational Autoimmunity” Targeting the AhR pathway may help treat alopecia areata.
May 2015 in “Endocrinología y nutrición” The conclusion is that adult males with muscle weakness and hormonal imbalances should be tested for Kennedy's disease.
22 citations
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June 2010 in “Experimental Dermatology” Lower MC2R expression may contribute to alopecia areata.
January 2023 in “Annals of Dermatology” Patients with a specific genetic variant have more severe alopecia areata and higher recurrence rates.
July 2024 in “Journal of Investigative Dermatology” ITK inhibitors may effectively treat alopecia areata.
Not having the gene PLAAT3 leads to fat loss, high insulin resistance, and abnormal fat levels in the blood due to a disruption in fat cell development and function.
Urtica laetevirens extract significantly reduces 5α-reductase activity.
27 citations
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January 2017 in “Neuropsychopharmacology” The enzyme 5α-reductase is key in causing psychotic-like effects from sleep deprivation.
July 2025 in “Saudi Journal of Medicine and Public Health” 5α-reductase inhibitors effectively treat enlarged prostate and hair loss but require careful use due to possible side effects.
Eriocitrin and silymarin might be effective for hair loss treatment and need more research.
June 2025 in “Skin Research and Technology”
29 citations
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January 1996 in “Journal of Pharmaceutical Sciences” Finasteride poorly inhibits type 1 5AR, affecting its effectiveness.
2 citations
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September 1997 in “Archives of Dermatology” 10 citations
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September 2004 in “PubMed” Vitamin D receptor FokI gene variation is not linked to alopecia areata.
November 2023 in “Cell Proliferation” A protein from fat-derived stem cells, DKK1, is linked to hair loss and blocking it may help treat alopecia areata.
August 2025 in “medRxiv (Cold Spring Harbor Laboratory)” 5-alpha reductase inhibitors may increase depression risk by 31%, but results vary based on comparison groups.
10 citations
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December 2005 in “Aktuelle Dermatologie” Alfatradiol (0.025%) is an effective and safe treatment for hair loss in both women and men.
August 2016 in “Journal of Investigative Dermatology” Blocking the CCR5 receptor may be a new way to treat hair loss from alopecia areata.