September 2023 in “Nature Communications” Immune cells are essential for skin regeneration using biomaterial scaffolds.
September 2023 in “Animals” Genes linked to wool fineness in sheep have been identified.
August 2023 in “International Journal of Molecular Sciences” The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
August 2023 in “International Journal of Molecular Sciences” Human skin xenografting could improve our understanding of skin development, renewal, and healing.
The study concluded that Frontal fibrosing alopecia can affect younger people, is often missed in men, and may be autoimmune-related.
Different types of sun exposure damage skin cells and immune cells, with chronic exposure leading to more severe and lasting damage.
February 2018 in “InTech eBooks” PRP therapy is effective for hair regrowth and improving hair quality with minimal side effects.
May 2023 in “Journal of Cosmetic Dermatology” Androgenetic alopecia is linked to higher cardiovascular and metabolic risks, possibly due to irisin resistance.
236 citations
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April 2015 in “Cell” Plucking some hairs can trigger nearby unplucked hairs to grow back more due to a collective response.
7 citations
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November 2021 in “Clinical, Cosmetic and Investigational Dermatology” The new hair graft device is faster, more efficient, and reduces damage to hair follicles.
253 citations
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December 2007 in “Journal of Investigative Dermatology” Hair follicles prevent NK cell attacks to avoid hair loss.
52 citations
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January 2003 in “Journal of Investigative Dermatology” Thrombospondin-1 is crucial for hair follicle regression and reduced blood vessel growth during the catagen phase.
21 citations
,
December 2023 in “Journal of Investigative Dermatology” Hair graying is caused by damage and cell depletion but might be temporarily reversible with drugs and hormones.
12 citations
,
January 2021 in “Journal of Investigative Dermatology” Hair follicle studies suggest that maintaining telomere length could help treat hair loss and graying, but it's uncertain if mouse results apply to humans.
7 citations
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May 2021 in “Frontiers in Pharmacology” PRP shows promise for treating female hair loss but needs more research.
1 citations
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September 2023 in “Animals” A new goat gene affects cashmere fiber thickness; certain variations can make the fibers coarser.
July 2024 in “ACS Biomaterials Science & Engineering” Nanoencapsulated antibiotics are more effective in treating hair follicle infections than free antibiotics.
August 2025 in “Frontiers in Pharmacology” Periplaneta americana extract helps hair regrowth by reducing inflammation and improving skin bacteria balance.
45 citations
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May 2003 in “Journal of Cell Science” α3β1-integrin is crucial for maintaining normal hair follicle shape and function but not needed for the development of the surrounding skin.
34 citations
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July 2010 in “Expert Opinion on Drug Delivery” The document concludes that there is no agreed-upon best method for measuring drug delivery within hair follicles and more research is needed to validate current techniques.
28 citations
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March 2010 in “Histochemistry and Cell Biology” Different markers are found in stem cells of the scalp's hair follicle bulge and the surrounding skin.
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.
14 citations
,
January 2021 in “Stem cell research & therapy” Human skin cells with stem-like features can help create new hair follicles and sebaceous glands when combined with other cells.
14 citations
,
March 2015 in “Stem Cell Research & Therapy” ABCG2 protein marks stem-like skin cells in human epidermis.
10 citations
,
January 2004 in “Journal of Investigative Dermatology” Krt6a-Cre transgenic mice help study gene effects on hair follicle development and tumor suppression.
7 citations
,
August 2020 in “Genes” Different genes are active in dogs' hair growth and skin, similar to humans, which helps understand dog skin and hair diseases and can relate to human conditions.
2 citations
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November 2007 in “Journal of Investigative Dermatology” Fluocinolone acetonide slows down hair follicle stem cells but speeds up skin cell growth in mice.
1 citations
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July 2025 in “JCI Insight” Hair follicle stem cells help maintain skin health by moving to and supporting the skin's surface layers.
April 2026 in “International Journal of Molecular Sciences” Wnt signaling is crucial for skin, hair, and nail health and regeneration.
November 2022 in “Journal of Investigative Dermatology” Scientists found a new type of skin cell that could help with skin repair and these cells work better with a certain protein.