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December 2018 in “Trends in Endocrinology and Metabolism” Both immature and mature fat cells are important for hair growth cycles, with immature cells promoting growth and mature cells possibly inhibiting it.
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January 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Weak cell junctions disrupt hair follicle stem cell rest.
1 citations
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October 2023 in “Biology” Fasting in hens affects thyroid hormones, which regulate feather and hair growth.
September 2016 in “Journal of Dermatological Science” The protein aPKCλ is crucial for keeping hair follicle stem cells inactive and for hair growth and regeneration.
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February 1998 in “Cellular Immunology” Hair growth phase in mice weakens certain immune responses.
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January 1994 in “Skin Pharmacology and Physiology” DNA flow cytometry effectively evaluates how different conditions affect hair growth cell activity.
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July 2018 in “Cell Reports” The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.
February 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Cashmere goat hair growth follows a cycle with distinct growth, regression, and resting periods, influenced by specific genes.
130 citations
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December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle melanocytes die during hair regression.
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October 2015 in “Julius Kühn-Institut” Inhibiting plant sterols reduces grapevine pathogen reproduction.
November 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Apoptotic cells may trigger cell death in hair follicles during their regression cycle.
25 citations
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February 1977 in “American Journal of Veterinary Research” Increasing daylight to 16 hours in winter can make mares ovulate and cycle earlier.
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February 2018 in “The Plant Journal” PLDζ2 and NPC4 have different roles in lipid changes and root hair growth in Arabidopsis under low phosphate, with PLDζ2 reducing root hair growth and NPC4 promoting it.
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May 2024 in “Communications Biology” Dab2 protein is crucial for hair follicle stem cell renewal and preventing early aging.
176 citations
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September 2006 in “Stem Cells” BMP signaling prevents hair growth by stopping stem cell activation.
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August 2017 in “The Nurse Practitioner” Secondary amenorrhea has many causes and requires thorough evaluation to treat and restore menstrual cycles.
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September 1978 in “Anatomia Histologia Embryologia” Alkaline phosphatase activity in Beagle dog hair follicles is weakest in anagen and strongest in telogen.
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March 2019 in “Cell Stem Cell” Certain immune cells in the skin release a protein that stops hair growth by keeping hair stem cells inactive.
31 citations
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August 2000 in “Journal of Investigative Dermatology” Stem cells are key for hair follicle recovery.
January 2016 in “eScholarship (California Digital Library)” HBCs in the olfactory epithelium can self-renew or differentiate into other cell types, with specific patterns during regeneration.
April 2026 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy”
42 citations
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January 2014 in “Cold Spring Harbor Perspectives in Medicine” Hair growth is influenced by various body and external factors, and neighboring hairs communicate to synchronize regeneration.
October 2023 in “Journal of the Endocrine Society” Estetrol helps keep scalp hair in the growth phase longer and improves hair follicle health by affecting the hair root and increasing stem cells.
Non-immune dermal cells dominate, epidermal cells increase after day 9, and certain immune cells persist beyond inflammation in wound-induced hair follicle regeneration.
22 citations
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September 2019 in “Trends in Immunology” Acne is a temporary skin imbalance during puberty that often resolves on its own.
55 citations
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February 1975 in “Journal of Cutaneous Pathology” Dermal cell activity increases during hair growth in rats.
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December 2021 in “Scientific Reports” Inhibiting class I HDACs helps maintain hair growth ability in skin cells.
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January 2006 in “中国农业科学:英文版”
August 2020 in “Current psychopharmacology” Pregnancy and nursing increase certain brain activities in rats, but these changes disappear when the babies are taken away.
31 citations
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April 2007 in “Experimental Dermatology” Stress in mice delays hair growth and treatments blocking substance P can partly reverse this effect.