July 2019 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Activin A speeds up ear hair cell differentiation, while Follistatin slows it down.
42 citations
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July 2014 in “Journal of biological chemistry/The Journal of biological chemistry” Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.
October 1995 in “Pediatric Research”
14 citations
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June 2015 in “Toxicology and Industrial Health” Low doses of BPA can increase prostate growth and change hormone levels in adult rats.
2 citations
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September 2002 in “Journal of Endocrinological Investigation” The GH-IGF-I axis is likely involved in the hormonal imbalances seen in non-obese women with functional hyperandrogenism.
33 citations
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January 1997 in “Journal of Investigative Dermatology” Different thymic peptides affect hair growth in various ways.
18 citations
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October 2021 in “Frontiers in Physiology” Lipocalin-Type Prostaglandin D2 Synthase (L-PGDS) is a protein that plays many roles in the body, including sleep regulation, pain management, food intake, and protection against harmful substances. It also affects fat metabolism, glucose intolerance, cell maturation, and is involved in various diseases like diabetes, cancer, and arthritis. It can influence sex organ development and embryonic cell differentiation, and its levels can be used as a diagnostic marker for certain conditions.
12 citations
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August 2020 in “Frontiers in Genetics” H19 boosts hair growth potential by activating Wnt signaling, possibly helping treat hair loss.
166 citations
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July 1999 in “American Journal Of Pathology” The hairless (hr) gene is essential for normal hair follicle function and its mutation leads to hair loss.
July 2025 in “Human Genomics” New LSS gene variants help understand congenital hypotrichosis 14 better.
46 citations
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November 2007 in “Gene Expression Patterns” Trps1 plays a key role in hair follicle development and cycling.
2 citations
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January 2001 in “Biomedical Research” Trichohyalin and peptidylarginine deiminase type III are found together in rat hair follicles, with trichohyalin being modified after expression.
161 citations
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June 1993 in “Journal of Biological Chemistry” Trichohyalin helps in hair and skin cell structure and function by binding calcium and linking proteins.
3 citations
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January 2012 in “Internal Medicine” A Rathke's cleft cyst caused hormonal imbalances and symptoms in a 68-year-old woman.
1 citations
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March 2012 in “Journal of Dermatological Science” Testosterone, progesterone, and levonorgestrel change enzyme levels related to fat production in hamster skin, which could affect skin oil and acne.
165 citations
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September 2001 in “Genes & development” CDP is crucial for lung and hair follicle cell development.
May 2018 in “Journal of Investigative Dermatology” Activating Wnt in skin cells controls the number of hair follicles by directing cell movement and fate.
September 2025 in “Science Advances” PADI4 enzyme slows down cell growth in developing hair follicles.
April 2016 in “Journal of Investigative Dermatology” Lymphoid-specific helicase (Lsh) is crucial for skin growth, change, and healing after injury.
January 2026 in “International Journal of Women s Health” A new model helps predict treatment success in girls with early puberty.
April 2010 in “The Journal of Urology” The research found that androgens help control blood flow in the rat prostate through a specific binding site.
15 citations
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September 1999 in “British Journal of Dermatology” Epimorphin, a protein, plays a key role in the development of hair follicles in human fetuses, but it doesn't help in maintaining the stem cell population of the follicular skin layer.
2 citations
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October 1988 in “Steroids” Certain hormone treatments can increase SBP levels and help with mild body hair growth.
59 citations
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January 1976 in “Vitamins and hormones” Prostate cells have proteins that bind to specific hormones, which can increase protein production when activated by these hormones.
3 citations
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May 2024 in “Frontiers in Physiology” Sex hormone supplements help improve breathing and nerve recovery after spinal injury in rats.
February 2026 in “Advanced Science” TTNPB helps turn stem cells into neural stem cells, improving depression-like behaviors in rats.
August 2025 in “Bioactive Materials” Ac-GFFY-IGF peptide is a promising, safe, and effective treatment for hair loss, better than current options.