April 2017 in “Plastic and reconstructive surgery. Global open” Baby and adult skin cells are different, with baby cells having more active pathways that could help grow new hair follicles.
25 citations
,
June 2022 in “Developmental cell” Overactivating Hedgehog signaling makes hair follicle cells in mice grow hair faster and create more follicles.
148 citations
,
October 1997 in “Journal of Investigative Dermatology”
73 citations
,
July 1956 in “Journal of Investigative Dermatology” Adult human skin can grow new fine hair follicles after a deep exfoliation treatment.
Tan sheep's unique fur traits are determined during the embryonic stage by specific genes.
829 citations
,
May 2007 in “Nature” Hair follicles can regrow in wounded adult mouse skin using a process like embryo development.
86 citations
,
October 2005 in “Experimental Dermatology” The Foxn1 gene mutation causes hairlessness and immune system issues, and understanding it could lead to hair growth disorder treatments.
16 citations
,
December 2020 in “PloS one” Researchers found WNT10A to be a key gene in developing goat hair follicles.
January 1997 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The hair follicle's connection to connective tissue is weaker than the skin's.
1 citations
,
June 2000 in “PubMed” Osteopontin may help hair follicle growth during the catagen phase.
31 citations
,
September 1996 in “Differentiation” The upper dermal sheath can regenerate hair in rats.
16 citations
,
April 2021 in “Frontiers in Cell and Developmental Biology” New hair follicles could be created to treat hair loss.
July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” The mesenchyme can start hair growth, but the exact signal that causes this is still unknown.
2 citations
,
September 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Hair follicle niches are specified before they form and depend on progenitor cells.
21 citations
,
April 1982 in “Genetics Research” Mice with the naked gene have missing or abnormal hair cells.
12 citations
,
April 2004 in “PubMed” A rare skin condition in a baby showed unusual fat and hair follicle changes.
January 2010 in “Chinese journal of clinical anatomy” Hair follicles in C57BL/6 mice develop rapidly from late embryonic stages to shortly after birth, with key growth and regeneration phases identified.
102 citations
,
August 2008 in “Genes & Development” Laminin-511 is crucial for early hair growth and maintaining important hair development signals.
210 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
205 citations
,
April 2005 in “Journal of Investigative Dermatology” Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.
127 citations
,
November 2010 in “Pigment cell & melanoma research” We need more research on human hair follicle pigmentation, not just mouse models.
March 2014 in “Anais Brasileiros de Dermatologia” Hair follicles are a key source of stem cells for skin repair and could help treat baldness.
Understanding hair follicle communication can help treat hair loss.
15 citations
,
December 1972 in “Journal of Investigative Dermatology”
24 citations
,
September 2002 in “Dermatologic Surgery” The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.
February 2023 in “Cosmoderma” An infant with complete hair loss was diagnosed with a genetic disorder affecting hair growth.
17 citations
,
June 2020 in “Animals” lncRNAs may regulate hair follicle development in Hu sheep.
December 2004 in “PLoS ONE” The Foxn1(-/-) phenotype disrupts hair growth and affects skin stem cells.
29 citations
,
July 2003 in “Experimental Dermatology” The upper hair follicle is stable, while the lower part allows movement during hair growth.
4 citations
,
January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.