research Is it getting in the hair? – Cortisol concentrations in native, regrown and segmented hairs of cattle and pigs after repeated ACTH administrations
Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.
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research SAT320 Cyclic Cushing Syndrome Caused By An ACTH-Producing Pheochromocytoma
A woman's cyclic Cushing syndrome was caused by a tumor in her adrenal gland that produced ACTH.
research Corticosterone inhibits GAS6 to govern hair follicle stem-cell quiescence
Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
research Melanocortin receptor type 2 (MC2R, ACTH receptor) expression in patients with alopecia areata
Lower MC2R expression may contribute to alopecia areata.
research Does hair cortisol concentration reflect measurable regulatory biology of the HPA axis in healthy humans?
Hair cortisol concentration partly reflects HPA axis regulation but doesn't capture all its complexities.
research Calcitonin gene‐related peptide (CGRP) may award relative protection from interferon‐γ‐induced collapse of human hair follicle immune privilege
CGRP may help protect hair follicles from immune system attacks, potentially slowing hair loss.
research SAT338 Desmopressin Stimulation Test As A Valuable Tool In Establishing Cushing Syndrome Etiology
The desmopressin stimulation test helped identify an adrenal cause for a patient's Cushing's syndrome.
research Progesterone regulates corticosterone elevation and alterations in spatial memory and exploratory behavior induced by stress in Wistar rats
Progesterone helps protect against stress-related memory and behavior issues in rats.
research MECHANISM OF PROTEINURIA
Cortisone may help hair regrow by altering the local environment, with regrowth starting 3-4 weeks after treatment, but its use is not widely recommended.
research Apparent Cortisone Reductase Deficiency: A Rare Cause of Hyperandrogenemia and Hypercortisolism
Cortisone reductase deficiency can cause high androgen and cortisol levels and may be missed in women with similar symptoms.
research Keep quiet—how stress regulates hair follicle stem cells
Stress hormone corticosterone suppresses hair growth by affecting stem cell activity and Gas6 protein expression.
research SUN-305 Hair Cortisol Measurement: An Innovative Method for Diagnosis and Follow-Up in Patients with Cushing’s Disease
Hair cortisol measurement can help diagnose and monitor Cushing’s disease.
research OXYTOCIN RECEPTOR EXPRESSION IN HAIR FOLLICLE STEM CELLS: A PROMISING MODEL FOR BIOLOGICAL AND THERAPEUTIC DISCOVERY IN NEUROPSYCHIATRIC DISORDERS
Rat hair follicle stem cells have functional oxytocin receptors, useful for studying neuropsychiatric disorders.
research Radiolabel validation of cortisol in the hair of rhesus monkeys
Hair cortisol can indicate long-term stress levels, but hair growth rate differences may affect accuracy.
research 804 Human hair follicles operate core elements of a functional peripheral equivalent of the central hypothalamic-pituitary-thyroid axis
Human hair follicles have their own thyroid hormone system.
research Generalised Glucocorticoid Resistance
Mutations in the glucocorticoid receptor gene cause reduced sensitivity to glucocorticoids and may lead to poor response to treatment.
research A Reliable Procedure for Measuring Cortisol Levels in Rhesus Macaque Hair Samples
The procedure reliably measures cortisol in rhesus macaque hair.
research Congenital adrenal hyperplasia due to steroid 21-hydroxylase deficiency epidemiology, etiopathogenesis, clinical presentation, treatment – a systematic review
CAH requires a multidisciplinary approach, and while current treatments help, future therapies show promise.
research Prefrontal 5α-reductase 2 mediates male-specific acute stress response
5α-reductase 2 is crucial for stress response in male rats.
research Steroid Biomarkers and Genetic Studies Reveal Inactivating Mutations in Hexose-6-Phosphate Dehydrogenase in Patients with Cortisone Reductase Deficiency
Certain mutations in the H6PD gene cause Cortisone Reductase Deficiency by affecting hormone production.
research Oxytocin Receptor Expression in Hair Follicle Stem Cells: A Promising Model for Biological and Therapeutic Discovery in Neuropsychiatric Disorders
research Pituitary Dependent Hyperadrenocorticism in a Golden Lion Tamarin (Leontopithecus rosalia)
A golden lion tamarin had Cushing's disease due to a pituitary tumor, leading to its euthanasia.
research Familial Cortisol Resistance: Differential Diagnostic and Therapeutic Aspects
The woman had a genetic condition causing high cortisol and androgen levels, treatable with dexamethasone.
research Isolation rearing-induced reduction of brain 5α-reductase expression: Relevance to dopaminergic impairments
Isolation stress in rats reduces brain enzyme levels, affecting dopamine function.
research An endocrinopathy characterized by dysfunction of the pituitary-adrenal axis and alopecia universalis: supporting the entity of a triple H syndrome
Triple H syndrome exists and can vary in symptoms.
research Functional mapping of the mouse hairless gene promoter region
Researchers found key regions in the mouse hairless gene that control its activity in skin and brain cells, affecting hair follicle function.
research Thyrotropin-Releasing Hormone (TRH) Promotes Wound Re-Epithelialisation in Frog and Human Skin
Thyrotropin-Releasing Hormone helps heal wounds in frog and human skin.
research Depletion of cortical allopregnanolone potentiates stress-induced increase in cortical dopamine output
Lower allopregnanolone levels increase stress-related dopamine release in the brain.
research Extraction and Analysis of Cortisol from Human and Monkey Hair
Hair cortisol analysis effectively measures long-term stress.
research Regulatory T cells in skin utilize the Cxcr4-Cxcl12 axis to promote hair follicle regeneration
Regulatory T cells help hair growth by using the Cxcr4-Cxcl12 pathway.