27 citations
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September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
September 2024 in “Genes” Genes affect pig hair patterns, aiding better breeding.
11 citations
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August 2014 in “PLoS ONE” GFRα2 is essential for controlling neuron size but not for target innervation in certain sensory neurons.
Metformin lowers gremlin-1 and improves insulin resistance in women with PCOS.
9 citations
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July 2013 in “Experimental Dermatology” Aging reduces the ability of human hair follicle cells to form new cell colonies.
28 citations
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November 2009 in “European Journal of Neuroscience” Progesterone and allopregnanolone increase glycine release in rat brain cells.
3 citations
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July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
January 2005 in “Pharmaceutical Journal of Chinese People's Liberation Army” Ginseng extract can enhance hair growth at certain concentrations.
3 citations
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March 2023 in “Biology” Genes affecting wool fiber thickness in Angora rabbits were identified, which could help breed finer wool.
January 2026 in “Scientific Reports” Certain blood cell ratios are higher in kids with alopecia areata and might help predict the disease.
September 2002 in “대한피부과학회지” Koreans have lower hair density, larger hair diameter, and slower hair growth than Caucasians.
4 citations
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April 1986 in “Cancer Letters” GSH-T levels in hair follicles are similar in smokers and non-smokers and don't increase with certain treatments.
January 2026 in “Biochemical Pharmacology” April 2016 in “Journal of Investigative Dermatology” Iron deficiency causes hair loss by affecting hair differentiation and cycling.
73 citations
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April 2013 in “Stem cells” LGR5 helps maintain corneal cell characteristics and prevents unwanted changes by controlling specific cell signaling pathways.
January 2023 in “International journal of clinical medicine” Women with PCOS and hair loss have lower levels of the protein gelsolin in their blood.
1 citations
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January 2019 in “Journal of Biomedical Science and Engineering” CGF from platelets helps hair regrowth in people with androgenetic alopecia.
January 2026 in “Frontiers in Animal Science” Gentile di Puglia sheep have finer wool and more lanolin than Sarda sheep.
4 citations
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November 2005 in “The Journal of Urology” Large prostates link to more hair loss.
March 2022 in “medRxiv (Cold Spring Harbor Laboratory)” People with blood group O may have a higher risk of developing post-COVID-19 syndrome.
191 citations
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November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
101 citations
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September 2006 in “Journal of Biological Chemistry” Human mitochondrial DNA polymerase makes very few errors, crucial for preventing degenerative diseases.
November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin cells and certain hair follicle areas produce hemoglobin, which may help protect against oxidative stress like UV damage.
Hair follicles emit electromagnetic fields due to S100 proteins.
7 citations
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July 2017 in “bioRxiv (Cold Spring Harbor Laboratory)” Passage numbers affect cell growth and experiment results.
June 1996 in “Journal of Dermatological Science”
September 2005 in “Archives of Dermatological Research” Large prostate patients more likely to have hair loss.
June 2020 in “Journal of Investigative Dermatology” The technique effectively shows how human skin and hair cells form into ball-like structures.
45 citations
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July 2009 in “Journal of human genetics” A gene variation is linked to hair thickness in Asians.
January 2023 in “Czech Journal of Animal Science” Proteins influence the quality and traits of cashmere goat fleece, affecting hair strength and diameter.