84 citations,
June 2010 in “The Plant Cell” Phospholipase A2 is necessary for the correct placement of PIN proteins in plant roots, affecting root growth.
47 citations,
April 2012 in “The Plant Journal” Phosphorylation of certain parts of the PIN3 protein is crucial for its role in plant root growth and response to gravity.
35 citations,
September 2012 in “PloS one” Two distinct pathways direct proteins to vacuoles in Arabidopsis, affecting root hair growth and protein targeting.
6 citations,
March 2003 in “PubMed” Small amounts of DNA can be found in the hair shaft, especially near the root, but it decreases with hair treatments and washing.
November 2023 in “Journal of plant nutrition and soil science” Boron deficiency in maize affects leaf boron levels and nutrient uptake differently depending on root hair presence and soil type.
85 citations,
February 1989 in “Journal of The American Academy of Dermatology” Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.
72 citations,
June 2019 in “International Journal of Cosmetic Science” 18β-glycyrrhetinic acid from licorice root is good for skin and hair treatments but has absorption challenges.
31 citations,
August 2018 in “Journal of biomedical nanotechnology” Licorice root-derived nanoparticles target liver cancer cells to improve treatment and reduce side effects.
25 citations,
July 2016 in “Molecular biology of the cell” A protein in plants needs to bind two lipids to help with root hair growth, and this process is similar across different plant species.
21 citations,
April 2018 in “Journal of Dermatological Science” Cilostazol helps hair grow by making hair root cells grow faster and changing growth factor levels.
19 citations,
July 1964 in “PubMed” Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
17 citations,
February 2015 in “International Journal of Molecular Sciences” A special mix from certain skin cells can help hair grow by making hair root cells grow faster and activating growth signals.
2 citations,
March 2011 in “Veterinary Dermatology” FGF18 is present in beagle dog hair follicles, mainly in the inner root sheath.
1 citations,
October 2022 in “Scientific reports” Nestin identifies specific progenitor cells in hair follicles that can become outer root sheath cells.
1 citations,
January 2014 in “Research Journal of Pharmacognosy and Phytochemistry” Hibiscus root extract reduces inflammation in rats.
Plant roots respond to fungus smells by possibly using certain proteins and a plant hormone to change root growth, but more research is needed.
May 2017 in “Journal of The American Academy of Dermatology” LED light helps human hair root cells grow and prevents them from dying by activating specific growth pathways.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
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.
March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
January 2014 in “Journal of Pharmaceutical Negative Results” Liquorice and Indian jujube root extracts don't help in fighting male pattern baldness.
January 1996 in “Springer eBooks” Hair can regrow if the sebaceous gland is intact, even if the hair root is removed.
8 citations,
April 2012 in “Korean journal of medicinal crop science/Han-gug yagyong jagmul hag-hoeji” Rosa multiflora root extract promotes hair growth and prevents hair loss.
5 citations,
October 2022 in “Frontiers in bioengineering and biotechnology” Ro stress hindered ginseng root growth and ginsenoside production, but increased certain hormones and affected gene regulation related to plant growth and stress responses.
2 citations,
August 2020 in “International Journal of Cosmetic Science” Lindera strychnifolia root extract may help balance scalp bacteria and potentially reduce hair loss.
April 2012 in “韓國藥用作物學會誌 = Korean journal of medicinal crop science” Rosa multiflora root extract promotes hair growth and prevents hair loss.
30 citations,
March 2012 in “Journal of Analytical Toxicology” THCCOOH levels in hair decrease from root to tip and don't match well with self-reported cannabis use.
20 citations,
July 2008 in “Dermatologic Therapy” The document says that treating the root cause of hair follicle damage is crucial to prevent permanent hair loss, and treatment options vary.
5 citations,
July 2022 in “Genes” Increasing EGR1 levels makes hair root cells grow faster.
3 citations,
December 2013 in “Journal of Dermatology” Scanning electron microscopy revealed four distinct hair root shapes in alopecia areata, suggesting a less invasive diagnostic method.