28 citations
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November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
25 citations
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October 2005 in “PubMed” Keratin 19 expression in certain skin cells is temporary and not a reliable stem cell marker.
1 citations
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January 2018 in “Stem cell biology and regenerative medicine” DNA methylation is essential for skin and hair follicle development, and could be a target for treating skin diseases.
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
Spiny mice have resilient, large mitochondria that help them regenerate tissue.
15 citations
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May 2004 in “Facial Plastic Surgery Clinics of North America” The document concludes that while "hair follicle cloning" shows promise for unlimited donor hair, it faces challenges with consistency and safety in humans.
8 citations
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April 2017 in “Journal of Dermatological Science” Hair loss is caused by the breakdown of a protein called COL17A1 in hair follicle stem cells.
November 2022 in “Journal of Investigative Dermatology” Skin aging and cancer development are influenced by the competition between stem cells.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Mitochondrial dysfunction may contribute to chronic inflammation and immune system issues in Lichen planopilaris.
13 citations
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December 1991 in “Annals of the New York Academy of Sciences” Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.
3 citations
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August 2023 in “Biophysical Journal” Mitochondrial activity varies in cells before they stop growing, affecting their growth potential.
April 2023 in “Journal of Investigative Dermatology” Proper cell death regulation is crucial for normal hair follicle regeneration and skin remodeling.
4 citations
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September 2023 in “Bioscience Biotechnology and Biochemistry” Scalp bacteria affect genes linked to hair health and growth.
Somatostatin helps hair follicles suppress immune responses, which might aid in treating certain hair loss conditions.
13 citations
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January 1993 in “Archives of dermatological research” Human hair follicles can grow and stay healthy for up to 8 days in a lab setting.
14 citations
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July 1983 in “Acta Dermato Venereologica” A method was developed to grow millions of hair cells from a single hair for research and storage.
4 citations
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January 2011 in “Journal of UOEH” Autoimmune hair loss may be linked to increased Th1 and Th17 cells and decreased Th2 cells.
October 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Stem cell niche exit in C. elegans is influenced by Sh1 cell membrane protrusions.
2 citations
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November 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Mutant stem cells adapt their metabolism differently to outcompete normal cells in the skin.
174 citations
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November 2016 in “Cell stem cell” Different types of skin cells have unique genetic markers that affect how likely they are to spread cancer.
99 citations
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April 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicles help skin immune recovery after UVB exposure.
January 2013 in “Sen'i Gakkaishi” Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.
16 citations
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November 2022 in “eLife” Both gene and non-gene areas of DNA evolved to make some mammals hairless.
March 2024 in “Research Square” The model helps understand alopecia areata and suggests ways to improve treatment by targeting immune issues.
September 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Hair loss in males and females is influenced by immune cell interactions, with potential treatments identified.
2 citations
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June 2020 in “International Journal of Research -GRANTHAALAYAH” Human hair follicles' biomagnetic fields might contribute to migraines.
February 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Merkel cells stabilize nerve endings in the skin, and they change independently of each other.
August 2023 in “International Journal of Molecular Sciences” The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
141 citations
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November 2007 in “Journal of Investigative Dermatology” Balding cells age faster due to stress, suggesting stress-targeting treatments for hair loss.