28 citations
,
March 2014 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” The document concludes that hair curvature can be explained by the growth patterns caused by the shape and separation of cells in the hair follicle and is affected by specific molecular pathways.
39 citations
,
November 2007 in “Experimental dermatology” Human hair follicles contain a complex network of prostanoid receptors that may influence hair growth.
5 citations
,
January 2022 in “Health Science Reports” Gremlin proteins help regulate hair growth by balancing signals in hair follicles.
Muscarinic acetylcholine receptors help regulate and promote hair growth.
81 citations
,
January 2003 in “The FASEB Journal” Follistatin helps hair growth and cycling, while activin prevents it.
6 citations
,
April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
3 citations
,
September 2021 in “Journal of Clinical Medicine” Epidermal signaling helps regenerate fingertip tissue.
23 citations
,
January 2016 in “Brazilian Journal of Psychiatry” First-episode psychosis patients have higher hair cortisol levels, indicating early stress response issues.
March 2024 in “Journal of Endocrinological Investigation” Finasteride treatment in rats changed the expression of genes related to psychiatric and neurological functions, and these changes persisted after stopping the drug.
2 citations
,
August 2022 in “Middle East Fertility Society Journal” The new rodent model successfully mimics non-lean human PCOS symptoms.
1 citations
,
October 2022 in “Annual review of cell and developmental biology” The nervous system helps control stem cell behavior and immune responses, affecting tissue repair and maintenance.
19 citations
,
October 2019 in “BMC Neuroscience” Blood hormone levels don't accurately show brain hormone levels in males.
6 citations
,
November 2023 in “Experimental Dermatology” Biglycan helps regulate hair growth and regeneration.
68 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.
16 citations
,
November 2008 in “Hormone research” The treatment slowed hair growth but didn't always match the improvements seen by doctors or patients.
October 2007 in “한방재활의학과학회지” People with androgenetic alopecia have an imbalance in their autonomic nervous system activity.
231 citations
,
October 1999 in “Journal of Clinical Investigation” Activating the Sonic hedgehog gene in mice can start the hair growth phase.
1 citations
,
September 2023 in “eLife” TLR2 is important for hair growth and can be targeted to treat hair loss.
23 citations
,
October 2021 in “FEBS Journal” Sonic Hedgehog helps keep skin and airway barriers healthy and reduces inflammation.
21 citations
,
January 2020 in “Conservation Physiology” Hair follicles increase hair cortisol levels, so consistent hair collection methods are important.
July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Seeing trauma causes fear in mice by lowering their natural fear-reducing hormones.
55 citations
,
July 1997 in “Clinical Endocrinology” Growth hormone therapy boosts androgen effects on skin in men.
May 2026 in “Nature Communications” Targeting catecholaminergic signaling may help treat keloid scars.
January 2026 in “Applied Sciences” Cyclic ADP-ribose helps regulate calcium and signals that promote hair growth in hair follicle cells.
37 citations
,
August 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” The vitamin D receptor can regulate genes and affect hair and hormone levels without its usual activator.
31 citations
,
May 1960 in “A M A Journal of Diseases of Children” Parathyroid adenoma can cause hyperparathyroidism and hair loss in children.
8 citations
,
August 2020 in “Experimental dermatology” PRP therapy for alopecia shows inconsistent results due to natural variability in growth factor secretion by platelets.
January 2017 in “Springer eBooks” The document concludes that scalp health is influenced by complex factors affecting sebaceous glands, including hormones, aging, and various substances.
April 2023 in “Clinical Chemistry and Laboratory Medicine” The document concludes that inflammation markers can be used in diabetes, vitamin D3 affects immune pathways, hyperthyroidism changes hormone levels, androgen levels help diagnose Adrenocortical Carcinoma, erectile dysfunction is linked to diabetes, hypogonadism is common in HIV-infected males, and hormones can be biomarkers for various conditions.
5 citations
,
February 2016 in “Hanbang an i bi inhu pibugwa hakoeji/Hanbang an'i'bi'in'hu pibu'gwa haghoeji” Microneedle therapy combined with Hwangryeonhaedoktang solution improved hair growth in mice better than microneedle therapy alone.