Hair germ cells differ from epidermal cells in keratin expression, and specific keratins form after hair differentiation.
May 1988 in “Journal of Forensic Sciences” A new method accurately determines hair blood type and can be used on dust samples.
January 1963 in “Stain technology” Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
April 2023 in “Journal of Investigative Dermatology” Hair growth is driven by cells that move and change like a conveyor belt.
April 2012 in “Development” Rac1 is crucial for normal hair structure and pigmentation.
70 citations
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February 2007 in “Journal of Investigative Dermatology” K39 and K40 are the last keratins expressed in hair development, completing the hair keratin catalog.
68 citations
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May 1991 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Both cyproterone acetate and spironolactone effectively reduce hair growth in women with hirsutism.
39 citations
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February 1990 in “The journal of cell biology/The Journal of cell biology” Trichohyalin, a hair follicle protein, has a part with repeating patterns of 23 amino acids.
1 citations
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July 2024 in “International Journal of Cosmetic Science” Infrared techniques reveal glycogen, unsaturated lipids, and calcium compounds in hair.
October 2024 in “Skin Research and Technology” Pili annulati causes zebra-striped hair but doesn't affect hair strength or quality of life.
January 1953 in “Nihon Chikusan Gakkaiho” Soaking calf skin in lime solution dissolves cells at different rates, with optimal dehairing after 4-7 days.
20 citations
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July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
17 citations
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June 2014 in “Journal of Ultrasound in Medicine” Abnormal cuticle and hair shaft medulla cause hair loss in androgenetic alopecia; sonography helps diagnose and manage it.
1 citations
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April 2013 in “The FASEB Journal” 3α‐OH‐DHP is essential for reducing nerve activity related to blood pressure control during pregnancy.
21 citations
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September 1968 in “Cancer” Citrulline in certain skin tumors suggests they mimic hair growth, helping distinguish them from other cancer types.
22 citations
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September 2001 in “Journal of Investigative Dermatology” S100A8 and S100A9 proteins help form hair shafts during growth.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
845 citations
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February 2001 in “The Journal of Clinical Endocrinology & Metabolism” The enzyme for activating vitamin D is found in many body tissues, not just the kidneys.
50 citations
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March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.
29 citations
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July 2015 in “Journal of Medical Genetics” A genetic variant in the KRT25 gene causes tightly curled hair.
6 citations
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January 2005 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The 16th-century mummy's hair was well-preserved due to a calcium surface coat.
August 2024 in “Biophysics Reviews” Mammal hairs have different internal structures.
9 citations
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September 2016 in “Forensic science international” Hair area varies with age and sex, but hair index and medullary index do not.
7 citations
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January 2013 in “Supportive care in cancer” Hair mass index is a precise way to measure hair loss in chemotherapy patients.
The PI's development is closely linked to skin and hair pigmentation in macaques.
1 citations
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March 2020 in “Hair transplant forum international” The HairMeasure device is a cheap way to measure Hair Mass Index and find scalp areas for hair exams.
January 2017 in “Elsevier eBooks” Sex hormones affect reproduction, sexual development, and oral health, and it's important for dental practitioners to understand their effects and interactions.
September 1997 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” The document concludes that treatments like oral anti-androgens, minoxidil, and topical spironolactone can be effective for hair loss in men and women.
September 1997 in “Journal of The European Academy of Dermatology and Venereology” Topical spironolactone effectively treats hair loss in women.
Lower postoperative hematocrit levels increase the risk of death within 28 days after coronary artery bypass surgery.