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June 2013 in “Journal of structural biology” High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.
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June 2019 in “Frontiers in Endocrinology” Lenvatinib and sorafenib are generally safe but need dose adjustments due to side effects.
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November 1997 in “Journal of Biological Chemistry” Mouse high-glycine/tyrosine proteins have distinct patterns in hair follicles, peaking at specific hair cycle days.
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January 2017 in “Physical chemistry chemical physics/PCCP. Physical chemistry chemical physics” The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.
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December 2018 in “Journal of Natural Fibers” Magra sheep's wool luster is linked to specific keratin gene expression and protein variations.
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March 2004 in “Journal of the American Academy of Dermatology” ZD1839, a cancer drug, can cause mild skin rashes that are treatable without stopping the medication.
November 2025 in “Frontiers in Veterinary Science” A 1.0% tyrosine diet increases melanin in chicken feathers.
October 2024 in “Current Issues in Molecular Biology” Platycladus orientalis leaf extract helps hair grow by activating certain proteins.
January 1972 in “Open PRAIRIE (South Dakota State University)” Mimosine is toxic to animals, causing hair loss, infertility, and growth issues, but its exact harmful mechanism is unclear.
April 2023 in “Journal of Investigative Dermatology” Skin cells and immune cells change in a skin condition called hidradenitis suppurativa, and a certain treatment can improve these changes.
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August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
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August 2013 in “Journal of Investigative Dermatology” HPT axis hormones boost mitochondrial function and growth in hair follicles, potentially aiding hair health.
56 citations
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January 2013 in “International journal of trichology” Zinc supplements may be needed to treat hair loss in hypothyroidism.
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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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July 2010 in “European Journal of Cell Biology” Thyroid hormones affect hair follicle stem cells by promoting differentiation and reducing growth.
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January 1975 in “Journal of Experimental Zoology” Epilation doesn't affect rat hair growth; thyroxine speeds it up, while estradiol slows it down.
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August 1978 in “Australian Veterinary Journal” Feeding steers only Leucaena leucocephala causes severe health issues and poor weight gain.
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March 2021 in “Journal of endocrinological investigation” Thyroid hormones are important for skin health and changes in them can affect conditions like hair loss and eczema.
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October 2012 in “Current Opinion in Endocrinology, Diabetes and Obesity” Thyroid hormones are important for skin health and might help treat skin diseases, but more research is needed to understand their effects fully.
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February 1987 in “General and comparative endocrinology” Thyroid and gonadal hormones control seasonal hair growth and molting in male European badgers.
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March 1942 in “Journal of Endocrinology” Male rats grow hair faster than females, and certain hormones can slow or slightly increase hair growth, but not significantly beyond natural rates.
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January 2022 in “Endocrine journal” Long COVID patients may have hormonal imbalances linked to their symptoms.
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January 1979 in “Journal of Experimental Zoology” Plucking hair speeds up the next hair growth, but hormones can change this timing.
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February 2007 in “Irish Veterinary Journal” A dog with a pituitary tumor developed tertiary hypothyroidism, improved with treatment, but was later euthanized due to neurological issues.
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January 2020 in “World Journal of Traditional Chinese Medicine” Kidney-yang deficiency syndrome causes hormonal imbalances and various physical symptoms.
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January 1973 in “BMJ” Primary hypothyroidism can mimic pituitary failure but improves with hormone therapy.
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January 2007 in “Gynecological Endocrinology” A woman was the first known case to have both polycystic ovary syndrome and autoimmune polyglandular syndrome type 2, suggesting a need to check for both conditions in similar patients.
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January 2015 in “Indian Dermatology Online Journal” Too much levothyroxine can cause hair loss in infants.
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November 2010 in “Histochemistry and cell biology” The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.