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November 2020 in “Frontiers in Cell and Developmental Biology” Certain genes are more active in baby scalp cells and can help grow hair when added to adult mouse skin cells.
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February 2014 in “Journal of dermatological science” Placental growth factor may help treat hair loss.
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February 1982 in “Australian Journal of Biological Sciences” Epithelial cells from young rat hair follicles grow and form aggregates in culture, but don't produce hair keratin proteins.
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April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
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March 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Skin cell types develop when specific genes are turned on by removing certain chemical tags from DNA.
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January 2016 in “Journal of Veterinary Medical Science” Lab-made tissues from dog fat stem cells can help grow hair by releasing a growth factor.
April 2019 in “Journal of Investigative Dermatology” Activating the Sonic hedgehog pathway can help regenerate hair follicles during wound healing in mice, potentially improving regeneration after injury.
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August 2021 in “Frontiers in cell and developmental biology” Scientists made structures that look like human hair follicles using stem cells, which could help grow hair without using actual human tissue.
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January 2017 in “Science” Some wound-healing cells can turn into fat cells around new hair growth in mice.
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January 2019 in “The American Journal of Dermatopathology” The conclusion is that fat tissue in the skin is a new finding in Frontal fibrosing alopecia and may contribute to hair follicle and muscle degeneration.
January 2022 in “Journal of St. Marianna University” Substances from human hair cells can affect hair loss-related genes, potentially leading to new treatments for baldness.
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July 2004 in “PubMed” The study found that higher levels of ET-1 and SCF in early-stage dermal papilla cells improve their ability to regenerate hair follicles.
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October 2011 in “Development” Activating a protein called β-catenin in adult skin can make it behave like young skin, potentially helping with skin aging and hair loss.
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June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
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August 2015 in “International Journal of Molecular Medicine” Human placental extract may help hair growth by affecting certain cell signals and could be more effective with minoxidil.