Tan sheep's unique fur traits are determined during the embryonic stage by specific genes.
January 2022 in “Stem cell biology and regenerative medicine” Lymphatic vessels help hair follicles regenerate by interacting with stem cells.
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January 1995 in “Cells tissues organs” Changing light periods synchronized wool growth cycles in sheep.
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September 2012 in “PTR. Phytotherapy research/Phytotherapy research” Ginsenosides Rb₁ and Rd may help prevent hair loss by promoting hair cell growth.
May 2018 in “Journal of Investigative Dermatology” Activating Wnt in skin cells controls the number of hair follicles by directing cell movement and fate.
71 citations
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February 2000 in “Endocrinology and metabolism/American journal of physiology: endocrinology and metabolism” Estradiol stops hair growth in mice, but an antagonist can reverse this effect.
January 2021 in “Figshare” Melatonin helps Cashmere goat hair follicles grow by affecting stem cell signals and the surrounding microenvironment.
January 2018 in “Figshare” Melatonin helps Cashmere goat hair follicles grow by affecting genes and cell signals important for their development and environment.
489 citations
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June 2005 in “The FASEB Journal” Human hair follicles can produce cortisol like the body's stress response system.
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February 1994 in “Proceedings of the National Academy of Sciences” Too much parathyroid hormone-related protein in skin disrupts hair growth in mice.
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September 2000 in “Acta dermato-venereologica” PPAR alpha may help in hair growth and could be a target for treatment.
32 citations
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January 2010 in “Journal of Dermatological Science” Reduced EGFR signaling delays hair cycle and reduces fat growth, but hair development remains normal.
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March 2012 in “Journal of Investigative Dermatology” Some thymic peptides can increase human hair growth, while others may inhibit it.
4 citations
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June 2022 in “Journal of Cosmetic Dermatology” Multi-peptide factors from fibroblasts may stimulate hair growth by increasing growth factors and β-catenin in hair cells.
1 citations
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July 2024 in “British Journal of Dermatology” Inhibiting certain proteins harms hair follicle immunity and increases IL-33, affecting hair health.
1 citations
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May 2024 in “Communications Biology” Dab2 protein is crucial for hair follicle stem cell renewal and preventing early aging.
1 citations
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March 2014 in “TURKDERM” Hair follicle stem cells are crucial for hair growth and regeneration.
August 2026 in “The Journal of Dermatology” dWAT actively supports hair growth by interacting with immune cells.
May 2024 in “British journal of dermatology/British journal of dermatology, Supplement” Hair follicles in androgenetic alopecia age faster, especially in the front.
April 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” TET enzymes are important for skin and hair development by controlling gene activity in specific areas.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Tet1/2/3 enzymes affect hair follicle cell development by influencing BMP signaling.
Raptor and Rictor have stable expression in hair cycles, with Raptor marking stem cells and Rictor involved in hair shaft formation.
January 2014 in “China Animal Husbandry & Veterinary Medicine” EGF, IGF-I, and IGF-IR genes are crucial for mink skin and hair growth.
January 2014 in “China Feed” Higher expression of the keratin-associated protein 8.1 gene in Liaoning cashmere goats is linked to finer cashmere fibers.
April 2010 in “Cancer Research” Stat3 activation increases hair follicle progenitors but reduces bulge region stem cells.
March 2006 in “The FASEB Journal” Vitamin D receptor is essential for adult hair growth.
January 2002 in “NCSU Libraries Repository (North Carolina State University Libraries)” 17b-Estradiol in skin affects hair growth and tumor promotion.
February 2019 in “Chin J Injury Repair and Wound Healing(Electronic Edition)” Porcine acellular dermal matrix helps hair growth by boosting specific proteins and signals.
December 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The conclusion is that the dermal papilla is crucial for hair follicle regrowth, and hair follicles undergo significant structural changes in addition to cell division during regeneration.
133 citations
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July 1994 in “Journal of Dermatological Science” Human hair growth can be influenced by certain growth factors and has specific metabolic needs.