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February 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
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June 2007 in “Journal of Dermatological Science” Researchers created a cell line to study hair growth and found specific genes affected by dihydrotestosterone.
September 2025 in “JCEM Case Reports” Consider rare forms of CAH for accurate diagnosis and treatment.
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January 1996 in “PubMed”
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January 2019 in “British Journal of Dermatology” Low oxygen levels can make hair-growing cells better at growing hair through a process involving reactive oxygen species.
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June 2001 in “Journal of Biological Chemistry” A truncated protein linked to breast cancer may change cell adhesion.
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January 2023 in “Science advances” The enzymes Tet2 and Tet3 are important for skin cell development and hair growth.
April 2018 in “Journal of Investigative Dermatology” Removing STAT5 from 3D-cultured human skin cells reduces their ability to grow hair.
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September 2011 in “Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease” Hairless protein helps control hair growth by regulating vitamin D receptor activity.
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May 1990 in “Journal of Steroid Biochemistry” Some women with excess hair growth have a hormone condition that can't be diagnosed by blood or urine tests alone.
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April 1992 in “Journal of Biological Chemistry” Four-amino acid part makes enzyme sensitive to finasteride.
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August 1984 in “Lancet”
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July 2007 in “Journal of Biological Chemistry” Most Hairless gene mutations reduce its ability to work with the Vitamin D Receptor, which might explain a certain type of hair loss.
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February 1990 in “The journal of cell biology/The Journal of cell biology” Trichohyalin, a hair follicle protein, has a part with repeating patterns of 23 amino acids.
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January 1992 in “Carcinogenesis” TPA strongly increases ODC activity in certain skin cells, potentially aiding tumor growth.
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June 1993 in “Molecular and Cellular Biology” The K5 promoter controls gene expression in skin cells, with specific DNA segments crucial for targeting and regulation.
Dihydrotestosterone (DHT) and its active metabolites play a key role in various diseases, and the development of 5α-reductase inhibitors can help treat these conditions.
August 2025 in “International Journal of Contemporary Pediatrics” HLD10 can include increased body hair and Mongolian spots.
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November 2005 in “Endocrinology” Hairless protein can block vitamin D activation in skin cells.
54 citations
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November 1995 in “The Journal of Clinical Endocrinology & Metabolism” Females with 5 alpha-reductase-2 deficiency have less body hair, no acne, normal fertility, and delayed menarche.
July 2024 in “International Journal of Molecular Sciences” The inhibitor DPP can promote hair growth.
September 1978 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” March 2023 in “The Journal of Urology” Higher SRD5A2 expression predicts better response to finasteride in treating urinary symptoms.
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September 2022 The PER3 rs772027021 SNP may cause mild skin pigmentation changes in a new subtype of dyschromatosis universalis hereditaria.
June 2018 in “The Journal of Sexual Medicine” Finasteride helps female-pattern hair loss.
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January 2023 in “PubMed” Urtica dioica extract may help treat androgenic skin diseases by reducing a specific gene's activity.
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November 2012 in “Biomolecules & therapeutics” A compound from brown algae boosts the production of a certain inflammatory substance in skin cells.
17 citations
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October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
April 2017 in “Journal of Investigative Dermatology” Certain compounds can protect hair cells from aging and promote growth.