5 citations
,
February 2019 in “PloS one” Bald thigh syndrome in sighthounds is caused by structural defects in hair shafts due to downregulated genes and proteins.
5 citations
,
January 2017 in “Elsevier eBooks” The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.
4 citations
,
December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
3 citations
,
August 1980 in “Acs Symposium Series” Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.
2 citations
,
May 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Sebaceous glands can heal and regenerate after injury using their own stem cells and help from hair follicle cells.
1 citations
,
December 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Pangolins have lost some skin-related genes, but kept others, showing complex skin evolution.
1 citations
,
April 2021 in “IntechOpen eBooks” The PCR technique can identify genetic differences in a wool-related gene among different sheep breeds, which may help improve wool and pelt quality.
December 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” AP-2α and AP-2β proteins are essential for healthy adult skin and hair.
November 2023 in “Journal of the Taiwan Institute of Chemical Engineers” Scientists made nanoparticles from human hair proteins to improve drug delivery.
June 2023 in “Historical records of Australian science/Historical Records of Australian Science” George Ernest Rogers was a notable scientist who made important discoveries about hair and wool proteins.
May 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The study found that certain genes are important for hedgehog skin appendage development and immunity, with spines possibly evolving for protection and infection resistance.
April 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” A gene variant causes patched hair loss in mice, similar to alopecia areata in humans.
January 1963 in “Stain technology” Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
April 2023 in “Journal of Investigative Dermatology” Autophagy is important for determining the protein makeup of hair.
8 citations
,
August 2014 in “Biochemical and Biophysical Research Communications” ODC overexpression in hair cells increases tumor growth by reducing Notch signaling.
196 citations
,
May 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Sebocytes play a key role in controlling androgen levels in human skin.
31 citations
,
August 2005 in “The American Journal of Dermatopathology” The study concluded that PKP1 is essential for skin integrity and hair growth, and its dysfunction causes the symptoms of ectodermal dysplasia/skin fragility syndrome.
29 citations
,
July 1991 in “Biochimica et Biophysica Acta (BBA) - General Subjects” Glycoproteins are present in the cell membranes of various keratin fibers.
24 citations
,
November 2015 in “Scientific reports” Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
10 citations
,
January 2012 in “Journal of biomedical optics” Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.
9 citations
,
January 1989 in “Sen'i Gakkaishi” Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
4 citations
,
June 2022 in “ACS applied materials & interfaces” New wig coating technique makes them more durable, UV resistant, and less static.
1 citations
,
April 2023 in “Langmuir” Damaged hair allows water to penetrate more easily, and fatty acids from shampoos can deposit on hair surfaces.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
June 2022 in “Research Square (Research Square)” Nestin-expressing cells turn into a specific type of skin cell in hair follicles during development and in adults.
May 2022 in “Research Square (Research Square)” Nestin marks cells that can become a specific type of skin cell in hair follicles of both developing and adult mice.
Certain ingredients in personal care products, like formaldehyde, oxidative hair dyes, and sulfates, pose health risks and need careful review.
23 citations
,
September 2015 in “International Journal of Molecular Medicine” Activating ER-β, not ER-α, improves skin cell growth and wound healing.
15 citations
,
January 1987 in “Electrophoresis” Human head hair proteins can be typed into eight distinct patterns, useful for genetic and forensic investigations.
28 citations
,
June 2012 in “International Journal of Molecular Medicine” Radiation damages hair stem cells and changes keratin expression, with Krt5 as a potential marker for radiation effects.