111 citations,
January 2007 in “Seminars in cell & developmental biology” Hair, teeth, and mammary glands develop similarly at first but use different genes later.
110 citations,
January 2014 in “The Journal of Sexual Medicine” Testosterone treatment in trans men increases body and facial hair and may lead to hair loss over time, but severe skin issues are rare.
109 citations,
October 2007 in “American Journal of Human Genetics” Giving a special protein to dogs with a certain genetic disease improved their symptoms but didn't help with hair growth.
106 citations,
September 2010 in “Stem cells” Skin-derived precursors in hair follicles come from different origins but function similarly.
94 citations,
September 2008 in “Journal of the American Academy of Dermatology” Traction alopecia is more common in African women than girls, especially when traction is applied to chemically relaxed hair; avoiding such hairstyles may reduce the risk.
86 citations,
May 2008 in “Cytokine & growth factor reviews” TNF family proteins are crucial for the development of skin features like hair, teeth, and mammary glands.
85 citations,
June 2006 in “Best Practice & Research Clinical Endocrinology & Metabolism” The document concludes that hirsutism is the main sign for diagnosing hyperandrogenism, which requires a detailed patient history and physical exam.
77 citations,
April 2004 in “Gene expression patterns” The three estrogen receptor genes are highly expressed in zebrafish neuromasts during development.
76 citations,
November 2009 in “Medical Clinics of North America” Hormones, especially androgens, play a key role in acne, which can be a symptom of systemic diseases like PCOS and may require targeted treatment.
75 citations,
March 2014 in “Journal of Investigative Dermatology” Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.
70 citations,
February 2017 in “Dermatologic Surgery” Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.
68 citations,
November 2011 in “The American journal of pathology” Abnormal Hedgehog signaling in blood cancers may help tumors grow and resist chemotherapy, suggesting potential for targeted treatments.
68 citations,
February 1990 in “Journal of Applied Social Psychology” Bald men are often viewed more negatively and as older than they really are.
67 citations,
September 2008 in “Dermatologic therapy” Hirsutism is excessive hair growth in women often caused by polycystic ovarian syndrome, and identifying the cause is important for managing associated health risks.
66 citations,
June 2015 in “Aesthetic Plastic Surgery” Platelet preparations generally show positive effects on wound healing and facial rejuvenation, but more thorough research is needed to confirm their effectiveness.
65 citations,
September 2010 in “Journal of the Neurological Sciences” Kennedy's disease leads to muscle weakness and sensory issues, has no cure but manageable symptoms, and future treatments look promising.
62 citations,
March 2011 in “European journal of endocrinology” Some parents have a mild form of congenital adrenal hyperplasia without symptoms, and they usually don't need treatment.
60 citations,
October 2010 in “Journal of the American Academy of Dermatology” Small white dots on the scalp seen with a dermoscope correspond to sweat ducts and vary with different hair disorders.
59 citations,
June 2008 in “Journal of The American Academy of Dermatology” The article explains the genetic causes and symptoms of various hair disorders and highlights the need for more research to find treatments.
54 citations,
March 1987 in “Journal of The American Academy of Dermatology” 3% topical minoxidil effectively treats extensive alopecia areata with few side effects.
53 citations,
December 2015 in “JAMA Dermatology” Women with PCOS often have more body hair, acne, and skin darkening, and these signs are linked to metabolic issues like insulin resistance and high cholesterol.
52 citations,
October 1999 in “Developmental Dynamics” Mutations in the hairless gene in mice affect its expression and lead to a range of developmental issues in multiple tissues.
51 citations,
January 2006 in “Wound Repair and Regeneration” MRL/MpJ mice's skin wounds heal with scars, unlike their ear wounds which can regenerate.
51 citations,
October 2002 in “British Journal of Dermatology” Finasteride increases hair density in female androgenetic alopecia, but individual results may vary.
50 citations,
November 2010 in “Otolaryngologic Clinics of North America” Recognizing oral symptoms can help diagnose and treat blood and nutritional diseases early.
50 citations,
October 1918 in “The journal of experimental zoology” Artificially inducing hair regrowth in mice can change the normal pattern and timing of hair growth, with minimal color differences between old and new fur.
49 citations,
June 2009 in “Seminars in Cutaneous Medicine and Surgery” The cosmetic industry should adapt to the varied beauty standards of ethnic groups and offer specialized treatments.
48 citations,
December 2004 in “Differentiation” Tooth papilla cells can help regenerate hair follicles and grow hair.
47 citations,
August 2000 in “Endocrine Reviews” The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.
46 citations,
September 2016 in “Clinical, Cosmetic and Investigational Dermatology” Hormonal treatments are effective for severe or persistent acne and should be used with other acne therapies, considering potential side effects.