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February 2016 in “Anatomical Science International” Hair proteins change location and structure as hair cells mature.
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February 1989 in “PubMed” Electrophoresis can effectively analyze hair proteins for forensic use, even after cosmetic treatments and up to 2 years of weathering.
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February 1991 in “Journal of Biological Chemistry” 24 citations
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February 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Two new proteins, hKAP1.6 and hKAP1.7, are found in the hair follicle cortex.
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March 1990 in “Journal of Dermatological Science”
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February 2021 in “Dermatologic Therapy” Air pollution harms skin, causing aging, diseases, and cancer.
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January 1993 in “Dermatology” A rare case of isolated trichothiodystrophy was identified, marked by brittle hair with low sulfur content.
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May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
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January 2000 in “Fetal Diagnosis and Therapy” Prenatal diagnosis of trichothiodystrophy is possible in the second trimester using fetal eyebrow biopsy, with sulfur content analysis being more reliable.
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November 2019 in “International Journal of Environmental Research and Public Health” Breathing in high levels of certain air pollutants significantly increases women's risk of developing Polycystic Ovary Syndrome.
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December 2010 in “Journal of analytical atomic spectrometry” A new method accurately measures lead levels in hair to assess exposure.
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January 2018 in “Advances in experimental medicine and biology” Hair keratins evolved from ancient proteins, diversifying through gene changes, crucial for forming claws and later hair in mammals.
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July 2012 in “International Journal of Trichology” TTD symptoms vary widely, requiring thorough evaluations.
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January 1994 in “Dermatology” The patient's hair had unique damage and a lower sulfur-to-nitrogen ratio compared to relatives, but not compared to healthy controls.
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January 1985 in “PubMed” Trace elements like calcium, iron, and zinc are unevenly distributed in hair, while sulfur is even, and increased phosphorus and potassium levels are linked to skin reactions.