Hair test results can be misleading due to external contamination, so they shouldn't be used alone to assess long-term drug use.
August 2015 in “Han'gug dongmul jawon gwahag hoeji/Han-guk dongmul jawon gwahak hoeji/Journal of animal science and technology” TRα and CRABPII genes change their activity levels during goat fetal skin development.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Researchers created an efficient method to extract DNA from marmoset hair, reducing blood chimerism.
7 citations
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May 1979 in “Medical & biological engineering & computing” The trichometer accurately measures hair growth and is easy to use.
10 citations
,
November 2009 in “Pigment cell & melanoma research” The document concludes that MGRN1 affects mouse fur color by interfering with a receptor's signaling, but its full role in the body is still unknown.
12 citations
,
December 2017 in “Food and chemical toxicology” Permanent hair dye mixtures can irritate and damage the skin.
5 citations
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November 2003 in “PubMed” Chemical treatments and light exposure damage hair proteins.
15 citations
,
December 2015 in “PLoS ONE” Fibroblasts can be mistaken for neural cells, so functional validation is needed.
September 2022 in “International Journal of Trichology” Trichoscopic measurements help determine the severity of female pattern hair loss.
188 citations
,
June 1998 in “Molecular cell” Researchers created a mouse with the same mutation as humans with trichothiodystrophy, showing similar symptoms and confirming the condition is due to defects in DNA repair and gene activity.
September 2023 in “Skin appendage disorders” Trichoscopy, a method of examining hair, can objectively measure how well botulinum toxin works for hair loss treatment.
2 citations
,
January 2003 in “Dermatologic surgery” The 800-nm pulsed diode laser is a safe and effective long-term treatment for trichostasis spinulosa in dark-skinned individuals.
57 citations
,
July 2000 in “Toxicology Letters” K6/ODC transgenic mice are effective for quickly identifying cancer-causing chemicals.
1 citations
,
January 2017 in “International Journal of Dermoscopy” A dermatoscope is important for evaluating hair transplants and managing patient expectations.
133 citations
,
March 1999 in “Journal of Cutaneous Pathology” Trichoepitheliomas and some basal cell carcinomas likely come from hair follicle stem cells.
80 citations
,
June 2000 in “Modern Pathology” Long-standing benign tumors can become cancerous, especially in people with weakened immune systems.
1 citations
,
January 2016 in “Klinicheskaya dermatologiya i venerologiya” March 2026 in “Frontiers in Medicine” A hybrid model using traditional methods, trichoscopy, and AI improves hair loss assessment.
99 citations
,
March 2013 in “Journal of Investigative Dermatology” Mutations in the ABCB6 gene cause Dyschromatosis Universalis Hereditaria.
12 citations
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June 2013 in “The American Journal of Dermatopathology” A new method using visual aids to diagnose hair diseases was effective after brief training.
29 citations
,
March 2008 in “Dermatologic Surgery” The Cross-section Trichometer is a new tool that can measure hair quantity and detect hair loss and growth.
April 2018 in “Journal of Investigative Dermatology” The new protocol using Cellutome™ and RCM safely assesses wound healing in detail.
14 citations
,
March 1987 in “Journal of Investigative Dermatology” 11 citations
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August 2016 in “Journal of the European Academy of Dermatology and Venereology” Serial trichoscopy is more reliable than the modified hair pull test for tracking alopecia areata.
12 citations
,
February 2013 in “Journal of Cutaneous Pathology” The document concludes that choosing the right biopsy site is crucial for accurate alopecia diagnosis, and combining methods can improve results.
1 citations
,
July 2024 in “International Journal of Cosmetic Science” Infrared techniques reveal glycogen, unsaturated lipids, and calcium compounds in hair.
1 citations
,
December 2018 in “Journal of cutaneous pathology” Some skin growths with mucin can form hair follicles and resemble skin cancer, but a special stain can help tell them apart.
15 citations
,
September 2014 in “PloS one” The study found that analyzing certain cell signaling pathways is not a reliable method to tell apart two types of skin tumors.
28 citations
,
March 1993 in “Journal of Cell Science” Keratins K4 and K13 form stable dimers in mature esophageal cells, aiding cell stability.
2 citations
,
December 2016 in “Experimental cell research” The research found a way to identify and study skin cells with stem cell traits, revealing they behave differently in culture and questioning current stemness assessment methods.