11 citations
,
June 2005 in “Veterinary Dermatology” Canine hair follicle cells convert progesterone into various metabolites, mainly cortisol.
76 citations
,
July 2009 in “Neuroscience” Neurosteroids like allopregnanolone help control cell death and growth in the developing fetal brain.
February 2024 in “Journal of Dermatological Science” Curved hair can develop when hair cells merge abnormally during growth.
101 citations
,
January 2014 in “Journal of Visualized Experiments” The method effectively measures long-term stress levels using hair samples.
41 citations
,
April 2009 in “Journal of comparative neurology” P2X3-IR fibers are widespread in rat skin and likely help detect pain.
10 citations
,
September 2019 in “Frontiers in Veterinary Science” Older steers have higher hair cortisol levels than younger steers.
16 citations
,
October 1992 in “Journal of cutaneous pathology” Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
May 2024 in “Ultramicroscopy” Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.
88 citations
,
April 1981 in “Molecular and cellular biochemistry” 33 citations
,
January 2000 in “Acta Oto-Laryngologica” Epidermal growth factor increases extra hair cells in newborn rat ears.
13 citations
,
September 2012 in “Cell & tissue research/Cell and tissue research” pCLCA2 protein may help maintain skin structure and function.
43 citations
,
August 2016 in “Scientific Reports” Cinnamomi cortex may help treat prostate enlargement by reducing related proteins.
90 citations
,
January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
33 citations
,
June 2017 in “Developmental Biology” Mice can correct hair follicle orientation without certain genes, but proper overall alignment needs those genes.
5 citations
,
May 2021 in “BMC surgery” A man's unusual scalp folds caused by a skin condition were treated with surgery and remained unchanged two years later.
2 citations
,
April 2019 in “Experimental Dermatology” Hair follicles respond differently to pulling forces in various regions.
15 citations
,
October 2020 in “European journal of pharmaceutics and biopharmaceutics” Caffeine penetrates skin quickly through open hair follicles, but less through closed ones, with levels becoming equal after 22 hours.
1 citations
,
October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
18 citations
,
December 2009 in “Canadian Journal of Animal Science” The BMP2 gene is more active in the early growth phase of Cashmere goat hair and may affect hair regeneration and textile production.
12 citations
,
July 1958 in “Journal of Endocrinology” Cortisone suppresses hair regrowth, especially undercoat hair, while adrenalectomy affects hair growth differently in rabbits and rats.
Hair follicle stem cells are crucial for touch sensation and proper nerve structure in mice.
4 citations
,
January 2018 in “General Physiology and Biophysics” The steroids allopregnanolone and allotetrahydrodeoxycorticosteron worsened absence seizures in rats.
8 citations
,
July 2023 in “Cell stem cell”
108 citations
,
March 2011 in “Archives of Dermatology” Corkscrew hair may be a new sign for quickly diagnosing scalp fungus in black children.
May 2025 in “Research Journal of Biotechnology” Diabetes can cause hair thinning, increased hair loss, and changes in hair growth phases.
February 2022 in “Research Journal of Biotechnology” Eclipta alba L. is a medicinal plant with many health benefits, including treating diseases and promoting hair growth.
103 citations
,
December 1986 in “Journal of Investigative Dermatology” 217 citations
,
July 2009 in “Experimental and Clinical Endocrinology & Diabetes” Hair analysis can track past cortisol levels in Cushing's Syndrome patients.
46 citations
,
August 1977 in “Journal of Morphology” The big-clawed shrew's sinus hair follicles are highly specialized for sensing vibrations.