January 1963 in “Stain technology” Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
87 citations,
July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
2 citations,
December 2023 in “Royal Society of Chemistry eBooks” Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
450 citations,
January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
12 citations,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
7 citations,
December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
12 citations,
December 2009 in “Amino Acids” Putting α-methylspermidine on mouse skin can start hair growth.
January 2023 in “Kafkas üniversitesi veteriner fakültesi dergisi/Kafkas üniversitesi veteriner fakültesi dergisi” Seasonal changes affect gene activity linked to hair growth in Angora goats.
438 citations,
October 2010 in “Oncogene” Keratins help protect cells, aid in cancer diagnosis, and influence cancer behavior and treatment.
January 2023 in “Czech Journal of Animal Science” Proteins influence the quality and traits of cashmere goat fleece, affecting hair strength and diameter.
24 citations,
March 2011 in “The American journal of pathology” AIRE protein, defective in APECED patients, is found in skin and hair cells and interacts with cytokeratin 17.
9 citations,
September 2016 in “Forensic science international” Hair area varies with age and sex, but hair index and medullary index do not.
8 citations,
January 2016 in “Cells tissues organs” Norepinephrine helps skin cells grow, which is important for hair growth.
1 citations,
September 2023 in “Animals” A new goat gene affects cashmere fiber thickness; certain variations can make the fibers coarser.
116 citations,
August 2010 in “Nature” Scientists turned rat thymus cells into stem cells that can help repair skin and hair.
21 citations,
November 2010 in “Journal of molecular medicine” FoxN1 gene is essential for proper thymus structure and preventing hair loss.
191 citations,
November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
69 citations,
August 1999 in “Developmental biology” The nude gene causes skin cell overgrowth and improper development, leading to hair and urinary issues.
67 citations,
July 2016 in “Reviews in Endocrine and Metabolic Disorders” Stress can worsen skin conditions by affecting hormone levels and immune response.
46 citations,
July 2007 in “Journal of comparative neurology” Manatee whiskers are specially adapted for touch in water.
17 citations,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
15 citations,
August 2017 in “International Journal of Molecular Medicine” Panax ginseng extract may help prevent hair loss caused by DKK-1.
6 citations,
November 2021 in “Frontiers in immunology” STAT3 signaling is important for healthy skin and hair follicles, and its disruption can lead to skin conditions like atopic dermatitis.
5 citations,
January 2022 in “PloS one” Deleting the p63 gene in certain cells causes problems in thymus development and severe hair loss in mice.
1 citations,
January 2021 in “Pakistan journal of zoology” Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.
December 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” AP-2α and AP-2β proteins are essential for healthy adult skin and hair.
52 citations,
September 2018 in “International Journal of Molecular Sciences” Ginseng and its compounds may help hair growth and prevent hair loss, but more human trials are needed to confirm this.
33 citations,
September 2017 in “Journal of clinical immunology” New treatments for immune disorders caused by FOXN1 deficiency are promising.
19 citations,
July 2015 in “Journal of Ginseng Research” Korean Red Ginseng may protect against hair loss caused by chemotherapy.
18 citations,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.