211 citations,
April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
February 2024 in “International Journal of Molecular Sciences” Hair loss in Androgenetic Alopecia is caused by genetics, aging, and lifestyle, leading to hair follicle shrinkage and related health risks.
8 citations,
July 2011 in “Animal science journal” Keratin 33A is a key protein in goat winter coats, especially in high-producing breeds.
50 citations,
October 1918 in “The journal of experimental zoology” Artificially inducing hair regrowth in mice can change the normal pattern and timing of hair growth, with minimal color differences between old and new fur.
2 citations,
February 2015 in “Journal of Tissue Engineering and Regenerative Medicine” Transplanting a mix of specific skin cells can significantly improve the repair of damaged hair follicles.
81 citations,
January 2003 in “The FASEB Journal” Follistatin helps hair growth and cycling, while activin prevents it.
52 citations,
May 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” Parathyroid hormone-related protein helps control hair growth phases in mice.
15 citations,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
15 citations,
February 1999 in “The anatomical record” Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
17 citations,
December 2001 in “Journal of Investigative Dermatology” The osteopontin gene is active in a specific part of rat hair follicles during a certain hair growth phase and might affect hair cycle and diseases.
43 citations,
August 2008 in “Regenerative Medicine” Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.
13 citations,
March 2012 in “The Journal of Dermatology” Hair transplant surgery can rebuild muscle and nerve connections, allowing transplanted hairs to stand up like normal hairs.
3 citations,
January 2019 in “Advances in stem cells and their niches” Dermal papilla cells are key for hair growth and color, influencing hair type and size, and their interaction with stem cells could help treat hair loss and color disorders.
290 citations,
December 2017 in “Journal of The American Academy of Dermatology” Alopecia areata is an autoimmune condition causing hair loss, influenced by genetics, stress, and diet, and may be prevented by a high soy oil diet.
116 citations,
May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
157 citations,
April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
9 citations,
November 2007 in “Veterinary dermatology” Boxer and Labrador dogs' hair growth is affected by the tropical climate, but Schnauzers' is not.
214 citations,
March 1993 in “Archives of Dermatology” Telogen effluvium is a reversible hair loss condition that requires a detailed diagnosis and often resolves on its own.
41 citations,
June 2013 in “PLOS ONE” Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.
38 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Accurate clinical, histological, and genetic methods are key for understanding and treating hair disorders.
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.
9 citations,
January 2017 in “Food & Nutrition Research” Rice bran mineral extract may help promote hair growth and prevent hair loss.
September 2016 in “Journal of Dermatological Science” Golden oyster mushroom extract may protect skin cells from aging by its antioxidant properties.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
86 citations,
May 2008 in “Cytokine & growth factor reviews” TNF family proteins are crucial for the development of skin features like hair, teeth, and mammary glands.
May 2023 in “Stem cell research & therapy” New method efficiently isolates hair growth cells from newborn mouse skin.
28 citations,
May 2017 in “Molecular ecology” Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.
December 2022 in “Scientific Reports” Stem cells from whiskers can be transplanted to stimulate hair growth.
68 citations,
March 1965 in “The BMJ” Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.
4 citations,
December 2020 in “Mammalian genome” Harlequin mutant mice have hair loss due to low AIF protein levels and retroviral element activity.