January 2022 in “Figshare” Exosomes from dermal papilla cells help hair stem cells grow through a specific signaling pathway.
18 citations
,
March 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Estrogen increases blood vessel growth factor production, while testosterone blocks this increase.
14 citations
,
October 2000 in “Genomics” Rat dermal papilla cells have unique genes crucial for hair growth.
January 2026 in “Non-coding RNA Research” Exosomal miRNA-218-5p promotes hair growth and development.
20 citations
,
October 2008 in “Archives of dermatological research” Angiogenin helps hair grow by stimulating cell growth and blood vessel formation.
50 citations
,
March 2004 in “Trends in Plant Science” NADPH oxidase and phospholipase D help root hairs grow by activating calcium channels.
June 1999 in “Connective tissue”
April 2017 in “Journal of Investigative Dermatology” The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.
1 citations
,
January 2011 in “ScholarlyCommons (University of Pennsylvania)” Notch signaling is crucial for specifying niche cells in Drosophila testis.
35 citations
,
July 2018 in “Cell Reports” The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.
28 citations
,
March 2010 in “Histochemistry and cell biology” Skin cells can help create early hair-like structures in lab cultures.
22 citations
,
August 2013 in “Experimental Dermatology” EGFR hyperactivation increases sebaceous gland size and sebum production in mice.
9 citations
,
December 2002 in “Novartis Foundation Symposium” LEF1 is essential for the development of airway glands and is regulated by the Wnt/ß-catenin pathway.
1 citations
,
March 2024 in “Genes & Diseases” EBF1 controls hair type and length.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Developing hair follicles form from ring-shaped patterns, with future stem cells originating from the outer ring, not the upper layers, as previously thought.
22 citations
,
October 2012 in “Cell Transplantation” Cells treated with Wnt-10b can grow hair after being transplanted into mice.
January 2001 in “Biomedical Research” THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.
Grateloupia elliptica seaweed extract may promote hair growth by activating Wnt/β-catenin signaling and cell proliferation.
December 2025 in “Animals” TGFBR1 slows down cell growth in fine-wool sheep hair follicles.
25 citations
,
March 2022 in “International journal of biological macromolecules” miR-181a-5p helps hair growth by activating a specific signaling pathway.
990 citations
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October 1999 in “Development” Activated LEF/TCF complexes are crucial for hair development and cycling.
6 citations
,
May 2024 in “Developmental Biology” 5 citations
,
January 1989 Testosterone and dihydrotestosterone slow hair cell growth, while estradiol has no effect.
3 citations
,
February 2014 in “Asian Pacific journal of tropical medicine” Wnt5a may slow down hair growth in mice.
19 citations
,
January 2018 in “BioMed Research International” miR-195-5p reduces hair growth ability in cells by blocking a specific growth signal.
169 citations
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June 2010 in “Molecular & cellular proteomics” Pectin biosynthesis is essential for the growth of cotton fibers and Arabidopsis root hairs.
173 citations
,
September 2011 in “Journal of Investigative Dermatology” IL-6 contributes to hair loss by shortening the growth phase and causing hair follicles to regress.
Encapsulating hair follicle cells in a special gel boosts their activity.
April 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Different expansin genes affect root hair growth in plants due to their diverse functions and evolutionary changes.
19 citations
,
April 2015 in “European Journal of Pharmacology” Dihydrotestosterone (DHT) doesn't affect rat skin cell growth, but it does change cell cycle, protein levels, and other cell functions, potentially shortening hair growth cycle.