June 1995 in “International Journal of Gynecology & Obstetrics” The new method showed that endometriotic tissue has lower estrogen receptor levels but similar progesterone levels compared to normal endometrium, with both following a similar cycle.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
28 citations
,
November 2012 in “Experimental dermatology” A protein complex called mTORC1 likely affects when hair growth starts in mice.
19 citations
,
April 2015 in “International Journal of Molecular Sciences” The research identified genes and pathways important for sheep wool growth and shedding.
29 citations
,
July 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Aldh1a2 and Aldh1a3 are involved in making retinoic acid in hair follicles and have different roles in hair growth.
20 citations
,
October 2008 in “Archives of dermatological research” Angiogenin helps hair grow by stimulating cell growth and blood vessel formation.
K15 and Id3 are important in hair follicle regeneration, with K15 increasing in early stages and Id3 responding later.
6 citations
,
April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
14 citations
,
January 2017 in “Pharmacological Reports” TP0427736 may help treat hair loss by blocking a specific protein and promoting hair growth.
65 citations
,
September 2004 in “The American journal of pathology” Blocking BMP signaling causes hair loss and disrupts hair growth cycles.
20 citations
,
January 1995 in “Cells tissues organs” Changing light periods synchronized wool growth cycles in sheep.
40 citations
,
November 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Different melanocyte types in hair follicles either survive or die during the catagen phase.
April 2016 in “Plastic and reconstructive surgery. Global open” Tafluprost could be a potential treatment for hair loss by promoting hair growth phase changes.
29 citations
,
December 2016 in “The EMBO Journal” Gata6 is important for protecting hair growth cells from DNA damage and keeping normal hair growth.
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.
30 citations
,
February 2017 in “Histochemistry and Cell Biology” TPA promotes hair growth by increasing stem cell activity and activating specific cell signals.
28 citations
,
July 2007 in “Development” TAF4 is important for skin cell growth and helps prevent skin cancer in mice.
4 citations
,
January 2014 in “The Scientific World Journal” Red deer antler extract helps hair grow by extending the growth phase and increasing cell growth in hair follicles.
January 2025 in “MEDS Public Health and Preventive Medicine” Spermidine supplements can help extend the hair growth phase and may be useful for treating hair loss.
18 citations
,
November 2014 in “Journal of Agricultural and Food Chemistry” Brazilian propolis was found to speed up hair growth in mice by increasing the growth of skin cells that form hair.
13 citations
,
June 2020 in “BMC genomics” A specific microRNA, chi-miR-30b-5p, slows down the growth of hair-related cells by affecting the CaMKIIδ gene in cashmere goats.
24 citations
,
December 2014 in “International Journal of Molecular Medicine” Eclipta alba extract helps increase hair growth and decrease hair loss-related protein in mice.
1 citations
,
August 2023 in “Biomolecules & therapeutics” HAPLN1 can promote hair growth and may help treat hair loss.
115 citations
,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
314 citations
,
April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.
130 citations
,
August 2015 in “Experimental Dermatology” Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.
46 citations
,
August 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” Phosphatidic acid may help hair grow by affecting cell growth pathways.
18 citations
,
January 2008 in “Journal of The American Academy of Dermatology” Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.
8 citations
,
April 2020 in “Journal of Ethnopharmacology” Herbs might help with hair loss, but more research is needed to confirm their safety and effectiveness.
25 citations
,
April 2015 in “Journal of Investigative Dermatology” GasderminA3 is important for normal hair cycle transitions by controlling Wnt signaling.