November 2020 in “Elsevier eBooks” Antiandrogens and androgen inhibitors like spironolactone, finasteride, and dutasteride can treat hair loss and skin conditions, but they have risks and side effects, including potential harm to pregnant women and risks of cancer and heart issues. Herbal remedies also have antiandrogenic effects but lack safety validation.
145 citations,
November 2018 in “Nature Communications” The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.
130 citations,
August 2015 in “Experimental Dermatology” Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.
67 citations,
December 2008 in “Developmental Biology” Msx2 and Foxn1 are both crucial for hair growth and health.
6 citations,
December 2021 in “PLoS Genetics” Polycomb Repressive Complex 2 is not needed for hair regeneration.
6 citations,
July 2017 in “Biochemical and Biophysical Research Communications” The Hairless gene is crucial for hair cell development, affecting whether skin cells become hair or skin and oil gland cells.
1 citations,
April 2023 in “Frontiers in Genetics” The document concludes that individuals with a rare genetic disorder linked to the AEBP1 gene may experience a unique type of hair loss and should be monitored for heart issues.
99 citations,
August 2009 in “Nature Genetics” Removing both Atr and Trp53 genes in adult mice causes severe tissue damage and death due to DNA damage.
36 citations,
March 2011 in “Nature Communications” Cells from a skin condition can create new hair follicles and similar growths in mice, and a specific treatment can reduce these effects.
5 citations,
January 2010 in “The anatomical record” Most dogs have hair whorls on their chest and limbs, with shelter dogs and short-haired dogs having more chest whorls.
2 citations,
July 2019 in “PeerJ” Removing the VDR gene in skin cells reduces their growth and affects hair-related genes.
January 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” The gene Ascl4 is not necessary for the development of hair, teeth, or mammary glands.
January 2021 in “Skin appendage disorders” The report concludes that atypical Brauer nevus is more common in males, present at birth, and often misdiagnosed due to its unusual scalp locations.
Ovol2 is crucial for hair growth and skin healing by controlling cell movement and growth.
82 citations,
May 2009 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Caffeine penetrates human skin in lab tests similarly to real-life conditions, but actual skin use is still essential for accurate results.
4 citations,
July 2005 in “International Journal of Dermatology” Topical PUVA and tacrolimus ointment can effectively and safely treat infant alopecia universalis.
75 citations,
October 2016 in “Genes & Development” Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.
12 citations,
January 2011 in “Photodermatology, photoimmunology & photomedicine” This therapy effectively treats resistant alopecia areata with minimal side effects.
1 citations,
January 2014 in “Elsevier eBooks” Melanocytes produce melanin; their defects cause vitiligo and hair graying, with treatments available for vitiligo.
March 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” A specific immune response helps control mite populations on the skin, maintaining healthy hair follicles.
207 citations,
March 2012 in “Development” Skin needs dermal β-catenin activity for hair growth and skin cell multiplication.
77 citations,
March 2021 in “Nature” Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
18 citations,
May 2016 in “Aesthetic Surgery Journal” Body hair transplantation is an effective method for restoring hair in people with severe baldness and limited scalp donor hair.
7 citations,
November 2014 in “Histochemistry and Cell Biology” The we/we wal/wal mice have defects in hair growth and skin layer formation, causing hair loss, useful for understanding alopecia.
4 citations,
October 1988 in “Clinics in Dermatology” Dihydrotestosterone (DHT) is crucial for conditions like male-pattern baldness and acne, and measuring a byproduct, androstanediol glucuronide, is a better way to assess DHT's effects than DHT blood levels.
3 citations,
September 2022 in “Frontiers in psychiatry” University students in Egypt experienced high stress during COVID-19's third wave, with negative coping mechanisms being more common.
January 2020 in “Acta Scientiae Veterinariae” A dog's chronic bite wound healed successfully using a mix of herbal gel, low power laser, and ozone therapy.
April 2012 in “Informa Healthcare eBooks” The document concludes that diagnosing hair loss requires evaluating multiple histological features, as no single feature is definitive on its own.
56 citations,
October 2018 in “Journal of The American Academy of Dermatology” Androgens play a complex role in skin conditions like acne and hair loss in women, and normal blood levels don't always show true androgen status.
1 citations,
July 2019 in “The journal of applied laboratory medicine” Venous catheterization may help diagnose the cause of female hyperandrogenism when imaging is unclear.