38 citations,
August 2012 in “Biochemical and biophysical research communications” Human leukocytes and beard hair follicle cells have internal daily clocks, and PER1 and PER3 genes may indicate individual circadian rhythms.
Transplanting beard hair into a scalp wound after hair transplant surgery improves scar appearance and hair keeps its normal traits.
Amphetamine use may not cause hair loss, "geezer" traits are normal aging, not all educated older people are stereotypes, and metronidazole can rarely cause lung disease.
5 citations,
June 2016 in “Twin research and human genetics” Hair diameter and curvature are mostly determined by genetics.
234 citations,
November 2009 in “American journal of human genetics” Common variants in the Trichohyalin gene are linked to straight hair in Europeans.
11 citations,
February 1980 in “BMJ. British medical journal” Hirsutism is common body hair growth due to genetics and hormones, and while not a disease, it can be distressing; virilisation includes hirsutism with other male traits and needs medical attention.
7 citations,
January 2015 in “Genetics and molecular research” The RORα gene is active in different parts of cashmere goat hair follicles and may be influenced by melatonin, especially in December when hair growth changes.
5 citations,
August 2020 in “Curēus” The document concludes that recent studies help tell apart desmoplastic trichoepitheliomas from other skin tumors, but more research is needed for clear differentiation.
1 citations,
February 2017 in “Journal of Aesthetic Nursing” Men are getting more beard transplants to look better and follow fashion trends.
June 2023 in “Facial Plastic Surgery Clinics of North America” Hair transplantation is important for transgender patients to enhance their masculine or feminine appearance.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” The research provided new insights into the genetic factors contributing to hair loss and skin conditions by analyzing individual cells from the human scalp.
51 citations,
January 2007 in “Animal Genetics” The gene for slick hair in Senepol cattle is located on chromosome 20 and may involve the SRD5A2 gene.
5 citations,
January 2023 in “International Journal of Molecular Sciences” Hair follicles could be used to noninvasively monitor our body's internal clock and help identify risks for related diseases.
February 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Tandem repeats significantly influence hair color, especially darker shades, across different ancestries.
2 citations,
September 2022 in “Frontiers in genetics” Different proteins are linked to the varying thickness of sheep and goat hair types.
42 citations,
January 2017 in “Genes” The gene KAP22-1 affects wool yield and fiber shape in sheep.
14 citations,
March 2019 in “Plant methods” The new microrhizotron tool effectively observes and measures pepper plant roots non-destructively.
November 2023 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Pig hair cortisol levels are inheritable and linked to stress responses, which could help select for more resilient pigs.
March 2017 in “The American Journal of Cosmetic Surgery” Transplanted hair follicles can resist hair loss from an autoimmune condition better than natural hair.
11 citations,
February 2019 in “Research and reports in forensic medical science” DNA phenotyping helps predict physical traits from DNA with varying accuracy and requires careful ethical and legal handling.
7 citations,
January 2020 in “Scientific Reports” Rabbit skin analysis showed changes in hair growth and identified miRNAs that may regulate hair follicle development.
1 citations,
October 2022 in “PubMed” Gender affects wool traits in sheep, with males and females showing differences in skin proteins related to wool growth.
July 2022 in “Postepy biochemii” DNA markers can predict physical traits for forensic use, but there are ethical and technical challenges.
5 citations,
June 2018 in “Elsevier eBooks” Testosterone is important for male sexual traits, reproduction, muscle and bone health, blood production, and metabolism, and works both directly and after being changed into other hormones.
2 citations,
January 2020 in “Journal of Experimental Social Psychology” Baldness and shaved heads change how traits are seen but don't really affect leader preferences.
January 2024 in “Zenodo (CERN European Organization for Nuclear Research)” The conclusion is that certain traits, including perceived facial aging and BMI, are linked to perceived youthfulness differently in men and women.
20 citations,
January 2007 in “Fertility and Sterility” A woman developed male traits from accidental contact with her husband's testosterone gel.
2 citations,
February 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” The Asiatic lion has very low genetic diversity and unique genetic traits, highlighting the need for its conservation.
January 2024 in “Zenodo (CERN European Organization for Nuclear Research)” The conclusion is that certain traits, including perceived facial aging and BMI, are linked to how youthful people look, with some differences between males and females.
KRTAP6 genes affect wool quality in sheep.