231 citations,
October 1999 in “Journal of Clinical Investigation” Activating the Sonic hedgehog gene in mice can start the hair growth phase.
51 citations,
February 2009 in “Journal of dermatological science” Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.
45 citations,
November 2021 in “Fertility and Sterility” The conclusion is that women under 35 should start fertility checks after 12 months of trying to conceive, women over 35 after 6 months, and women over 40 should start immediately. The checks should include ovulation status, reproductive tract structure, and male partner's semen evaluation.
33 citations,
May 2018 in “Stem Cell Reports” Krt15+ cells in the mouse intestine resist radiation and can start tumors.
25 citations,
June 2004 in “Journal of Investigative Dermatology” Macrophage-stimulating protein helps hair grow and can start hair growth phase in mice and human hair samples.
18 citations,
November 1998 in “Comparative biochemistry and physiology. Part A, Molecular & integrative physiology” Changes in prolactin and DHEA levels are not required for the start of mink hair growth cycles.
5 citations,
January 2001 in “Journal of dermatological science” The G(S) alpha subunit gene may help start hair follicle growth in newborn mice.
4 citations,
August 2017 in “International journal of molecular sciences” The conclusion is that Pigmented Epithelioid Melanocytoma can start from hair follicle stem cells or from a mole on the skin.
1 citations,
June 2006 in “Experimental dermatology” The conclusion suggests that early signs of hidradenitis suppurativa may start in the hair follicle, with genetic and immune factors playing a role, highlighting the need for more research on the hair follicle's immune system.
February 2020 in “Journal of chemical neuroanatomy” Researchers found a way to make rat hair follicle cells start turning into motor neuron-like cells, but couldn't fully turn them into working motor neurons.
77 citations,
January 1993 in “Skin Pharmacology and Physiology” Steroids stop hair growth temporarily but don't block the signals that start it.
35 citations,
July 2018 in “Cell Reports” The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.
6 citations,
July 2015 in “International Journal of Dermatology” Trichoepitheliomas can be hard to distinguish from other skin conditions and often start in teenage years.
4 citations,
February 2019 in “Journal of Cutaneous Pathology” The marker 5-hmC changes in hair follicle stem cells when they start to grow.
12 citations,
January 2016 in “Skin appendage disorders” Hair restoration surgery can potentially treat primary scarring alopecias, but it's important to start early medication, ensure patient remission before transplant, and monitor after surgery.
10 citations,
January 2016 in “Dermatology online journal” Adults with persistent scalp issues unresponsive to typical treatments should be tested for the fungal infection tinea capitis to start the right antifungal medication.
10 citations,
August 2014 in “Experimental Dermatology” Decorin, a protein, may help start hair growth and could be used to treat hair loss.
7 citations,
January 2017 in “Neuromuscular Disorders” A rare autoimmune condition, Satoyoshi syndrome, can start in adults and improve with immunosuppressive treatment.
6 citations,
July 2017 in “Case Reports” Hair loss, known as androgenic alopecia, can start in teenage years and may not always be hormone-related. It's important to do extra tests in young cases and remember it can greatly affect a teenager's mental health.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Phototherapy helps some patients with alopecia areata regrow hair, especially those with hair at treatment start and less severe forms of the condition.
Male goat smell increases reaction in young female goats' noses but doesn't cause them to start puberty early.
23 citations,
November 2018 in “Journal of the European Academy of Dermatology and Venereology” The study concluded that severity of Frontal fibrosing alopecia is not linked to how long someone has it, can start before menopause, and eyebrow loss may be an early sign.
7 citations,
September 2017 in “Biomedical and Pharmacology Journal” Growth factors greatly affect hair loss, with different levels seen in men, women, younger patients, and at the start of the condition.
6 citations,
May 2021 in “JAMA network open” Babies who gain weight quickly, especially in the first 3 months, may start puberty earlier.
4 citations,
January 2002 in “Annals of Dermatology” Androgenetic alopecia, or hair loss, is most common in people in their 30s, can start early, is often inherited, and may be influenced by factors like hormones and scalp health.
1 citations,
September 2003 in “The Journal of the American Animal Hospital Association/Journal of the American Animal Hospital Association” Transdermal fluoxetine is less effective in cats, clomipramine may help with feline alopecia, younger dogs often start fights, dietary changes can reduce cribbing in horses, negative aggression tests in shelter dogs predict good behavior, many older cats show cognitive issues, and fluoxetine or paroxetine can improve canine anxiety.
December 2023 in “Journal of dermatology” The study concluded that key signs of Keratosis follicularis spinulosa decalvans are changes in terminal hair and vellus hair follicles, which likely start the inflammation and damage to hair follicles.
October 2021 in “The Egyptian Journal of Hospital Medicine” Alopecia areata causes patchy hair loss and involves immune system disruptions.
30 citations,
June 2015 in “British Journal of Dermatology” Acne is common in women, often hormone-related, negatively affects quality of life, and requires various treatments.
3 citations,
May 2011 in “Practice nursing” As skin ages, it gets thinner, paler, and more wrinkled, and protection and care like sunblock and moisturizers are important.