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September 2005 in “Pharmacology Biochemistry and Behavior” 5alpha-reductase 2 is crucial for proper male brain development and sexual differentiation.
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October 1995 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The nafarelin test can reliably distinguish between gonadotropin deficiency and delayed puberty in teenage boys.
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June 2020 in “Experimental Dermatology” Hormones and genes affect hair growth and male baldness.
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April 2008 in “Neuroscience Letters” Olanzapine reduces stress-related anxiety in rats when given acutely.
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May 2002 in “Journal of Neuroscience” Stress increases neurosteroids that help prevent seizures.
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December 2016 in “Asian Journal of Psychiatry” Sheehan's syndrome can sometimes cause psychosis.
Proper niche formation in Drosophila requires Slit-Robo signaling for cell migration.
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August 1952 in “The Journal of Clinical Endocrinology & Metabolism” A 17-year-old female with adrenogenital syndrome produces very high levels of androgens, which prevent complete feminization despite high estrogen doses.
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January 2025 in “Science Advances” 5α-reductase 2 is crucial for stress response in male rats.
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April 2023 in “Skin Health and Disease” Psychological stress can worsen skin conditions like psoriasis and acne.
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November 2007 in “Journal of Neurochemistry” Stopping alcohol after long-term use causes anxiety and changes brain chemicals.
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August 1994 in “PubMed” Prolactin and melatonin can stimulate hair growth in Cashmere goat hair follicles, but melatonin may reduce follicle viability over time.
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November 2018 in “American Journal of Medical Genetics Part A” ODC1 gene mutations cause a neurodevelopmental disorder with large head size, hair loss, and facial abnormalities.
January 2024 in “Frontiers in endocrinology” Treating early puberty with hormone therapy may increase the risk of polycystic ovary syndrome in adults.
February 2025 in “International Journal of Molecular Sciences” Maternal melatonin improves offspring hair growth by affecting specific proteins and pathways.
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October 2014 in “Experimental Dermatology” Leptin from skin fat can slow hair growth during certain phases.
March 2025 in “Journal of Endocrinology and Metabolism” Rodent models of PCOS show some hormone changes similar to humans, but also have key differences.
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June 2016 in “PeerJ” Testosterone increases certain kidney protein levels, potentially raising blood pressure.
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September 2001 in “The FASEB Journal” Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.
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January 1992 in “Carcinogenesis” TPA strongly increases ODC activity in certain skin cells, potentially aiding tumor growth.
Lhx2 helps retinal cells respond to signals for eye development.
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April 2018 in “Biology of reproduction” Diet changes hormone levels in pregnant ewes by affecting metabolism, not placental synthesis.
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August 2023 in “Nature communications” Hdac1 and Hdac2 help maintain and protect the cells that control hair growth.
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November 1965 in “Journal of Mammalogy” The pituitary gland is crucial for normal mink fur cycles.
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June 2023 in “Reproduction” Microglia, the brain's immune cells, may contribute to Polycystic Ovary Syndrome (PCOS) by altering the female brain's structure and function, with kisspeptin neurons and GABA neurotransmitters also playing a role.
October 2022 in “The Korean Journal of Physiology and Pharmacology” Targeting the PGD2-DP2 pathway may help treat hair loss.
April 2017 in “Journal of Investigative Dermatology” Higher leptin levels link to hair loss.