Hedgehog signaling can create new hair follicles but may also cause tumors.
April 2018 in “Journal of Investigative Dermatology” Dsg1 is essential for maintaining a healthy skin barrier in mice.
January 2018 in “Stem cell biology and regenerative medicine” ATP-dependent chromatin remodeling is crucial for skin development and stem cell function.
May 2016 in “Research opinions in animal & veterinary sciences” Maternal aspartame consumption during pregnancy leads to skin damage and higher apoptosis in newborn rat offspring.
January 2016 in “SpringerBriefs in bioengineering” Genetic defects and UV radiation cause skin damage and aging.
January 2014 in “Pathology” Early subungual melanoma might be treated with less aggressive surgery because it invades the skin under the nail more slowly.
January 2014 in “China Feed” Higher expression of the keratin-associated protein 8.1 gene in Liaoning cashmere goats is linked to finer cashmere fibers.
Mutant Cx43 causes slower wound healing and hair growth issues in ODDD.
CDPDFM can improve acne symptoms in rabbit ears.
September 2002 in “대한피부과학회지” Koreans have lower hair density, larger hair diameter, and slower hair growth than Caucasians.
September 1997 in “Dermatologic Surgery” The article concludes that uniform density hair restoration is generally preferred for its natural look, but the best approach depends on the individual's characteristics and preferences.
September 1997 in “Journal of the European Academy of Dermatology and Venereology” Adults can develop late-onset loose anagen syndrome, which may often be misdiagnosed.
January 1994 in “Nihon Chikusan Gakkaiho” Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
November 2021 in “International Journal of Trichology” Trichoscopy is effective for diagnosing and monitoring female pattern hair loss.
1 citations
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November 2017 in “Skin appendage disorders” Ingrown hairs are a common feature in scarring alopecias due to follicular damage.
June 2021 in “Journal of The American Academy of Dermatology” The "spade sign" is a highly specific indicator for diagnosing acne keloidalis.
May 2020 in “International Journal of Dermatology and Venereology” Calcified epidermal cysts are rare, hard skin nodules that are best treated with surgical removal.
September 2018 in “International Journal of Dermatology” Anterolateral leg alopecia is a benign, nonprogressive hair loss condition on the lower legs that is not well understood and may resolve on its own.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)” 15 citations
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December 1972 in “Journal of Investigative Dermatology” January 2013 in “Wool textile journal” 8 citations
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July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
1 citations
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July 2008 in “Expert Review of Dermatology” Normal hair thickness varies by scalp area and a mix of hair thicknesses is typical in healthy individuals.
24 citations
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December 1957 in “Experimental Cell Research” The glassy layer of hair follicles has different fibril sizes and arrangements in guinea pigs and young mice.
211 citations
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April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
4 citations
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July 2014 in “Journal of Investigative Dermatology” Old people have less hair because their hair follicles don't regenerate as well, not because of fewer stem cells, and a protein called follistatin might help reactivate hair growth.
July 2020 in “Experimental Dermatology” Aging causes hair thinning in women due to changes in the scalp environment.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
25 citations
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October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.
41 citations
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May 2001 in “PubMed” Different thicknesses of hair strands can indicate the severity of hair thinning.