4 citations
,
April 1983 in “The Journal of Dermatology” A 15-year-old girl with hypothyroidism had excess hair and skin issues due to blocked hair follicles.
55 citations
,
May 1995 in “The journal of investigative dermatology/Journal of investigative dermatology”
January 2022 in “Acta dermatovenerologica Alpina, Pannonica et Adriatica (Tiskana izd.)” Uncombable hair syndrome causes frizzy hair and can affect the nervous system, eyes, and ears, often co-occurring with other hair, skin, nail, and teeth conditions, and is linked to three specific gene mutations.
April 2019 in “Journal of Investigative Dermatology” Activating the Sonic hedgehog pathway can help regenerate hair follicles during wound healing in mice, potentially improving regeneration after injury.
4 citations
,
April 1955 in “Archives of Dermatology” Hydrocortisone ointment effectively improved eyebrow skin and hair in a 10-year-old.
August 2025 in “Current Issues in Molecular Biology” Key pathways like WNT, EGF, FGF, SHH, and BMP regulate poultry feather growth, with BMP inhibiting it.
2 citations
,
March 2011 in “International Journal of Dermatology” An 18-year-old man was diagnosed with a rare genetic disorder causing hair loss, severe light sensitivity, and skin issues.
9 citations
,
December 2015 in “Journal of Dermatological Case Reports” Narrowband UVB therapy significantly improved a child's rare skin condition.
30 citations
,
January 2013 in “Human Mutation” A mutation in the HOXC13 gene causes hair and nail problems in a Syrian family.
December 2002 in “Archives of Dermatology” The poem ends by asking for case reports on serious health issues like Telogen Effluvium.
2 citations
,
January 2000 in “Journal of Toxicologic Pathology” A single recessive gene causes sparse hair in certain Japanese White rabbits.
75 citations
,
September 1985 in “Archives of dermatology” Two boys had a rare skin condition needing to be differentiated from similar disorders, with unclear inheritance due to few cases.
September 2024 in “Digital Commons - University of South Florida (University of South Florida)” Hormones can change ptarmigan feather color from white to pigmented.
15 citations
,
January 1999 in “Reproduction Fertility and Development” Merino sheep have fewer wool follicles at birth than before birth.
3 citations
,
April 2011 in “Journal of the American Academy of Dermatology” A 19-year-old man had a rare skin condition on one side of his face that looked like another skin disease.
2 citations
,
March 1942 in “JAMA” 2 citations
,
January 1988 in “Deep Blue (University of Michigan)” Early puberty in girls leads to intense moods, restlessness, and greater self-certainty.
19 citations
,
August 2012 in “Cell death and differentiation” Intu gene is crucial for hair follicle formation by helping keratinocytes differentiate through primary cilia.
April 2018 in “Journal of Investigative Dermatology” The research found that a specific skin cell type not only triggers hair growth but also controls hair color, and that aging can lead to hair loss and color changes.
7 citations
,
July 2017 in “The Journal of Dermatology” Hair loss can occur when pemphigus foliaceus changes to pemphigus vulgaris.
85 citations
,
February 1989 in “Journal of The American Academy of Dermatology” Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.
1 citations
,
July 2017 in “Skin appendage disorders” A 9-year-old Hispanic girl has Uncombable Hair Syndrome, which may improve with age and biotin treatment.
April 2017 in “Journal of Investigative Dermatology” The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.
September 2023 in “Cells tissues organs” Mice skin matures by day 200, leading to aging signs like curved hair follicles and white hairs due to changes in skin stem cells.
January 2009 in “The Year book of dermatology” Ludwig pattern hair loss results from varying androgen sensitivity, causing fewer thick hairs and more thin hairs.
4 citations
,
June 2014 in “The Journal of Dermatology” Elkonyxis, a rare nail condition, improved when patients stopped their nail-picking habits.
29 citations
,
January 2003 in “Genomics” A new mouse mutation causes skin and hair issues, influenced by another gene.
April 2016 in “Journal of the American Academy of Dermatology” A 4-year-old girl had a rare hair disorder affecting only part of her scalp.
55 citations
,
August 2013 in “PloS one” Genetic differences between young and old Tan sheep explain why their fleece changes from curly to straight as they age.
30 citations
,
December 2018 in “Trends in Endocrinology and Metabolism” Both immature and mature fat cells are important for hair growth cycles, with immature cells promoting growth and mature cells possibly inhibiting it.