Machine learning improves DNA predictions for eye and hair color, but challenges remain for skin tone and facial features.
54 citations
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July 1967 in “Science” Decomposed tritiated thymidine is less accurate for DNA tracing, and hair changes can indicate malnutrition.
188 citations
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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.
December 2022 in “IntechOpen eBooks” Forensic DNA Phenotyping accurately predicts physical traits and is used in investigations, but needs more diverse population data for confirmation.
10 citations
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October 2009 in “Photomedicine and laser surgery” IPL treatment can significantly reduce hair in faun tail but may need local anesthesia.
383 citations
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February 2011 in “Nature Reviews Genetics” DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.
6 citations
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August 2008 in “Journal of Forensic Sciences” Recognizing specific tissue types on telogen hair roots can improve DNA typing.
30 citations
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May 2020 in “Forensic Science International Genetics” The method improved hair analysis for better forensic identification.
April 2012 in “Neuropediatrics” Trichothiodystrophy is a rare genetic disorder causing hair issues and sometimes linked to DNA repair defects.
3 citations
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January 2023 in “Science advances” The enzymes Tet2 and Tet3 are important for skin cell development and hair growth.
February 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Tandem repeats significantly influence hair color, especially darker shades, across different ancestries.
June 2026 in “Food Science and Human Wellness” Tail fat from Lanzhou Fat-Tailed sheep helps heal skin wounds by reducing inflammation and promoting tissue repair.
36 citations
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November 2005 in “Forensic Science International” BioPlex-11 improves DNA profiling from telogen hair roots in forensic work.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Tet1, Tet2, and Tet3 are important for the development of hair follicles and determining hair shape by controlling hair keratin genes.
May 2022 in “Experimental dermatology” Trichothiodystrophy hair is structurally abnormal with protein and organization issues.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Tet1/2/3 enzymes affect hair follicle cell development by influencing BMP signaling.
72 citations
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September 1975 in “Biology of Reproduction” Most zinc in rat sperm is in the tail, linked to structures similar to hair keratin.
February 2025 in “Journal of Forensic Sciences” Sonication washing reduces nuclei in hair roots, affecting DNA extraction.
May 2023 in “Skin research and technology” A DNA aptamer helps promote hair growth by enhancing a key cell growth signal in hair follicle cells.
36 citations
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September 2015 in “Forensic Science International: Genetics” Certain DNA variants can predict straight hair in Europeans but are not highly specific.
16 citations
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February 2018 in “BMC Genomics” Certain genetic markers linked to reproductive potential were identified by their impact on a protein's ability to bind to genes.
July 2025 in “Indian Journal of Forensic Medicine & Toxicology” DNA phenotyping can predict physical traits like eye, hair, and skin color, improving forensic investigations.
89 citations
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April 2023 in “Forensic Science International Genetics” Forensic DNA Phenotyping can now better predict appearance, ancestry, and age from DNA, but more research is needed for precise police use.
68 citations
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August 2009 in “American Journal of Medical Genetics Part A” A new classification for trichothiodystrophy helps identify genetic causes and potential treatments.
June 2025 in “Rapid Communications in Mass Spectrometry” The new method improves protein extraction and analysis in hair, aiding biomedical and forensic work.
2 citations
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January 2017 in “Journal of Biotechnology Research Center” Hair dyes affect DNA analysis results, with the prepFiler kit working best for hair with follicles.
8 citations
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July 2013 in “PLoS ONE” DNA can be quickly and effectively extracted from hair using laundry powder.
49 citations
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June 2019 in “eLife” Ancient DNA blocks are still present in human genomes, possibly due to advantages they provide.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Tet2 and Tet3 enzymes are essential for controlling hair growth by affecting DNA demethylation and gene expression in mice.
6 citations
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June 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Humans have ancient DNA from Neanderthals and other lineages in their chromosomes, affecting traits and evolution.