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May 2010 in “Hautarzt” Different hormones affect hair growth and conditions, with some causing hair loss and others promoting it.
36 citations
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March 2014 in “Molecular and Cellular Biology” Cidea is essential for proper lipid storage and secretion in sebaceous glands, affecting skin and hair health.
January 2020 in “Journal of St. Marianna University” Human placenta extract may promote hair growth by affecting certain lipid compounds.
January 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Researchers found key regions in the mouse hairless gene that control its activity in skin and brain cells, affecting hair follicle function.
16 citations
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May 2020 in “Psychoneuroendocrinology” People with Parkinson's disease have higher levels of cortisone in their hair, which may indicate chronic stress hormone dysfunction.
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January 2005 in “Biological & Pharmaceutical Bulletin” The peptide GPIGS helps hair cells grow and speeds up hair regrowth in mice.
March 1998 in “Journal of dermatological science” Diphencyprone initially increases mouse hair growth, then slows it, possibly due to changes in specific protein levels.
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May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
Certain natural products may help stimulate hair growth by affecting stem cell activity in the scalp.
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July 2019 in “International Journal of Molecular Sciences” PGA-4HGF may help treat hair loss by activating hair growth pathways and extending the hair growth phase.
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January 1997 in “EXPERIMENTAL ANIMALS” Histamine and its enzyme may help start hair regrowth.
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July 2018 in “Biomedicine & pharmacotherapy” Paeoniflorin protects brain cells by involving a specific protein and neurosteroids.
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May 2023 in “Pigment Cell & Melanoma Research” BMI1 is essential for preventing hair greying and maintaining hair color.
January 2026 in “British Journal of Dermatology” Caffeine and DMG increase calcium influx in hair follicle cells without being toxic.
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October 2019 in “BMC Neuroscience” Blood hormone levels don't accurately show brain hormone levels in males.
March 2020 in “Endocrinology research and practice.” Treating prolactinoma doesn't significantly affect hirsutism or cause high androgen levels.
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September 1975 in “The Journal of Clinical Endocrinology & Metabolism” Hormone levels change during puberty, leading to physical developments like pubic hair and voice changes.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Human hair follicles can be used to create heart muscle cells.
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May 1996 in “American journal of physiology. Regulatory, integrative and comparative physiology/American journal of physiology. Regulatory, integrative, and comparative physiology” Gray seals use more energy and have higher hormone levels during their annual fur-shedding period.
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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.
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October 2010 in “Medical Hypotheses” Alopecia areata may involve stress-related changes affecting hormone receptors, leading to reduced cortisol production.
Delta-opioid receptors affect skin cell circadian rhythms, possibly impacting wound healing and cancer.
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January 2012 in “Cell stem cell” TGF-β2 helps activate hair follicle stem cells by counteracting BMP signals.
August 2021 in “Journal of Investigative Dermatology” Adjusting polyamine levels could help treat skin disorders like psoriasis and skin cancer.
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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.
August 2024 in “Archives of Dermatological Research” CHI3L1 and CXCL5 proteins help promote hair growth.
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July 2008 in “BMC Genomics” Alpha 6 + /MHCI - cells have stem cell traits and are similar to mouse hair follicle stem cells.
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November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.
Applying thyroid hormones to the scalp can help hair grow.