96 citations
,
April 2007 in “Journal of Investigative Dermatology” Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.
85 citations
,
July 2012 in “Cold Spring Harbor perspectives in biology” The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.
68 citations
,
November 2011 in “The American journal of pathology” Abnormal Hedgehog signaling in blood cancers may help tumors grow and resist chemotherapy, suggesting potential for targeted treatments.
59 citations
,
March 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Smad-4 and Smad-7 are key in hair follicle development, with other Smads being less important.
53 citations
,
March 2014 in “Growth Hormone & IGF Research” IGF-1 injections help mice grow more hair by increasing cell growth and blocking a hair growth inhibitor.
51 citations
,
February 2009 in “Journal of dermatological science” Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.
43 citations
,
December 2008 in “Molecular biology of the cell” Disrupting Smad4 in mouse skin causes early hair follicle stem cell activity that leads to their eventual depletion.
33 citations
,
May 2006 in “Journal of Investigative Dermatology” PTHrP and its receptor can control blood vessel growth and hair development in mouse skin.
29 citations
,
September 1989 in “Journal of The American Academy of Dermatology” Abnormal scalp whorls can indicate brain development issues but may also be seen in neurologically normal people.
28 citations
,
October 2019 in “Seminars in Cell & Developmental Biology” Hair can regrow in large wounds through a process similar to how hair forms in embryos, and understanding this could lead to new treatments for hair loss or scarring.
28 citations
,
October 2013 in “Cornea” Scientists have made progress in creating replacement teeth, hair, and glands that work, which could lead to new treatments for missing teeth, baldness, and dryness conditions.
28 citations
,
July 2008 in “Developmental Biology” Smad4 is important for healthy hair follicles because it helps produce a protein needed for hair to stick together and grow.
27 citations
,
April 2017 in “British Journal of Dermatology” Hair loss involves immune responses, inflammation, and disrupted signaling pathways.
25 citations
,
June 2004 in “Journal of Investigative Dermatology” Macrophage-stimulating protein helps hair grow and can start hair growth phase in mice and human hair samples.
21 citations
,
June 2018 in “Current Opinion in Genetics & Development” Scientists have made progress in growing mini-organs and regenerating parts of the skin, with plans to treat hair loss in a future trial.
21 citations
,
October 2009 in “Biochemical Engineering Journal” Stem cell therapy is a promising approach for hair regrowth despite potential side effects.
19 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Dermal-epidermal interactions are crucial for hair growth and maintenance.
9 citations
,
May 2012 in “PLOS ONE” ILK is essential for skin development, pigmentation, and healing.
6 citations
,
November 2018 in “Histochemistry and Cell Biology” Mongolian gerbils heal wounds differently than mice, with unique protein levels and gene expression that affect skin repair.
5 citations
,
October 2016 in “Experimental Dermatology” Activin A is important for creating new hair follicles.
2 citations
,
August 2020 in “Scientific reports” Genes related to keratin, skin cell differentiation, and immune functions are key in hedgehog skin and spine development.
2 citations
,
July 2020 in “Electromagnetic Biology and Medicine” Low-frequency electromagnetic fields help regenerate hair follicles using a mix of skin cells.
1 citations
,
January 2018 in “Elsevier eBooks” The skin's dermal layer contains true stem cells with diverse functions and interactions that need more research to fully understand.
1 citations
,
July 2016 in “Elsevier eBooks” Understanding skin structure and development helps diagnose and treat skin disorders.
August 2025 in “BMC Pregnancy and Childbirth” A new EDA gene variant causes X-linked hypohidrotic ectodermal dysplasia in a Chinese family.
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Removing Sprouty genes in mice causes various hormone-related issues but does not increase cancer risk by one year of age.
March 2024 in “Vestnik Rossijskogo universiteta družby narodov. Seriâ Agronomiâ i životnovodstvo” Wnt and Shh signaling are key in noggin-induced tumors, and blocking them can slow tumor growth.
July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” The mesenchyme can start hair growth, but the exact signal that causes this is still unknown.
May 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Primary cilia affect the size and oil production of eye glands but not the oil's makeup.
January 1989 in “Clinical and Experimental Dermatology” The symposium concluded that hair growth involves complex processes, including the hair follicle life cycle, the role of the dermal papilla, hair strength, pigmentation, and the impact of diseases and treatments like minoxidil on hair and skin.