May 2016 in “American Academy of Pediatrics eBooks” Telogen effluvium is a condition that causes temporary hair loss.
March 2025 in “Multidisciplinary Science Journal” Sonic hedgehog (Shh) is crucial for gecko tail regeneration.
5 citations
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February 2008 in “Experimental Dermatology” Cyclosporin A promotes hair growth in mice and increases a protein linked to hair growth, but it may not work the same way in humans.
3 citations
,
January 2020 in “JAAD Case Reports” A girl had two rare hair conditions that helped understand their overlap.
May 2025 in “The Journal of Dermatology”
April 2023 in “Journal of Investigative Dermatology” Hair growth is driven by cells that move and change like a conveyor belt.
1 citations
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August 2016 in “Dermatology - Open Journal” Mitochondria change shape to meet energy needs during cell movement.
3 citations
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January 2016 in “International Journal of Trichology” Sheep-derived factors improve human hair cell clustering, which may help hair growth.
August 2005 in “The Journal of Cell Biology” Sgk3 kinase is essential for normal hair growth in mice.
31 citations
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September 2013 in “Stem Cells” Smad1 and Smad5 are essential for hair follicle development and stem cell sleepiness.
January 2026 in “Communications Biology” Yak hair follicles adapt to cold through specific gene regulation, enhancing cell growth.
January 2021 in “Dermatology online journal” One twin girl has Loose anagen syndrome with poorly anchored hair, diagnosed with a simple hair pull test, while her identical twin does not have the condition.
July 2024 in “Journal of Investigative Dermatology” 23 citations
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December 1991 in “Annals of the New York Academy of Sciences” Balding scalps slow down hair growth.
61 citations
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February 1997 in “Differentiation” Hair differentiation starts earlier than thought, involving multiple type-II keratins.
April 2023 in “Journal of Investigative Dermatology” Disrupting a specific protein's function in hair follicle stem cells triggers their activation and a self-healing process.
78 citations
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August 2002 in “Experimental Dermatology” Researchers developed a quick and easy way to get and grow cells from the base of human hair follicles.
August 1993 in “Journal of Dermatological Science” July 2024 in “Journal of Investigative Dermatology” Cell movements and forces shape feather growth in chicken skin.
April 2017 in “Journal of Investigative Dermatology” Scientists created a tiny, 3D model of a hair follicle that grows and acts like a real one.
2 citations
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December 2023 in “International Journal of Dermatology” A unique type of hair loss mimics another condition but has minimal inflammation and specific immune cells present.
Understanding hair follicle interactions can help treat male pattern baldness.
October 2005 in “CRC Press eBooks” Telogen effluvium is a condition where hair falls out due to various factors like illness, stress, or nutrient deficiency.
17 citations
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November 2013 in “American Journal of Primatology” Different monkey species in a lab showed varying levels of hair loss due to factors like type, sex, age, season, and living conditions.
5 citations
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June 2022 in “Biophysical Journal” TGF-β and TNF influence hair follicle cell fate, with TNF being more effective in triggering cell death.
4 citations
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January 2015 in “Annals of Dermatology” A woman's temporary hair loss after face lift surgery stopped on its own, and hair grew back.
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.
5 citations
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March 2001 in “Journal of biomechanics” Growing hairs are easier to pull out than resting hairs due to different anchorage strengths.