July 2020 in “International Journal of Cosmetic Science” The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
6 citations,
July 2015 in “Journal of Investigative Dermatology” Chicken feather gene mutation helps understand human hair disorders.
2 citations,
May 2020 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” The study found that specific proteins are markers of hair follicle development in human fetuses.
2 citations,
November 1992 in “Journal of dermatology” Hair cells grown in a lab showed specific hair proteins.
55 citations,
August 2013 in “PloS one” Genetic differences between young and old Tan sheep explain why their fleece changes from curly to straight as they age.
8 citations,
October 2020 in “International Journal of Molecular Sciences” Nonanal from fruits and vegetables promotes hair growth by increasing growth factors.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Applying the anti-cancer drug Bortezomib to skin can promote hair growth and increase hair proteins through the GATA-3 factor.
52 citations,
August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
30 citations,
April 2018 in “Experimental Dermatology” The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.
18 citations,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
16 citations,
September 2018 in “Scientific reports” Scientists created keratinocyte cell lines from human hair that can differentiate similarly to normal skin cells, offering a new way to study skin biology and diseases.
7 citations,
June 2021 in “Amino acids” Human hair protein modifications could potentially indicate heart disease risk.
7 citations,
August 2006 in “Biopolymers” Researchers extracted tiny keratin filaments from human hair by unzipping its outer layer.
January 2023 in “Frontiers in bioscience” Artemis protein may help control hair growth and health by influencing cell processes.
June 2020 in “Journal of Investigative Dermatology” Scientists successfully grew mini hair follicles using human skin cells, which could help treat baldness.
April 2018 in “Journal of Investigative Dermatology” Removing STAT5 from 3D-cultured human skin cells reduces their ability to grow hair.
256 citations,
October 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Growing human skin cells in a 3D environment can stimulate new hair growth.
212 citations,
September 2015 in “Journal of Investigative Dermatology” The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.
34 citations,
June 2008 in “In vitro cellular & developmental biology. Animal” Scientists created a long-lasting stem cell line from human hair that can turn into different skin and hair cell types.
31 citations,
December 2002 in “Biochimica et biophysica acta. G, General subjects/Biochimica et biophysica acta. General subjects (Online)” The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.
18 citations,
December 2020 in “Frontiers in cell and developmental biology” miR-140-5p in certain cell vesicles helps hair growth by boosting cell proliferation.
14 citations,
February 2021 in “Experimental Dermatology” Cannabinoid receptor-1 signaling is essential for the survival and growth of human hair follicle stem cells.
13 citations,
January 2010 in “Advances in Biochemical Engineering / Biotechnology” Understanding hair biology is key to developing better treatments for hair and scalp issues.
8 citations,
April 2009 in “International journal of oncology” Hair follicle cells resist turning into skin cells.
2 citations,
April 2018 in “Journal of Investigative Dermatology” Frontal fibrosing alopecia shows increased inflammation and JAK-STAT pathway activity without reduced hair proteins.
66 citations,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
39 citations,
August 2018 in “Scientific reports” Claudin-1 is important for the barrier function and growth of hair.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.
43 citations,
December 2013 in “Seminars in Cell & Developmental Biology” Genetic mutations can cause hair growth disorders by affecting key genes and signaling pathways.
10 citations,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.