April 2016 in “Journal of Investigative Dermatology” Blocking Prostaglandin D₂ (PGD₂) could help treat hair loss.
May 2015 in “Endocrinología y nutrición” The conclusion is that adult males with muscle weakness and hormonal imbalances should be tested for Kennedy's disease.
March 2013 in “Journal für Kardiologie (Krause & Pachernegg GmbH)” Hormones significantly affect hair growth and loss, with potential for new treatments.
January 1995 in “Adolescent and pediatric gynecology” Mutations in the androgen receptor gene cause different levels of androgen insensitivity, making it hard to create simple tests for the condition.
January 2021 in “International Journal of Dermatology” Possible link between COVID-19 and hair loss; more research needed.
57 citations
,
February 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
28 citations
,
January 2013 in “Stem cells” Certain human skin cells marked by CD44 and ALDH are rich in stem cells capable of long-term skin renewal.
7 citations
,
July 2008 in “Experimental Dermatology” The study concluded that a protein important for hair strength is regulated by certain molecular processes and is affected by growth phases.
April 2016 in “Journal of Investigative Dermatology” SOX4 is crucial for the development of melanoma.
151 citations
,
December 2004 in “Neuropharmacology” Progesterone reduces anxiety without needing progesterone receptors.
143 citations
,
May 2007 in “Proceedings of the National Academy of Sciences” Vitamin D receptor is crucial for normal hair growth and preventing hair loss.
123 citations
,
December 2015 in “Journal of Neuroendocrinology” New targets for making and using brain-synthesized steroids could lead to better treatments for brain disorders and alcoholism.
92 citations
,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
53 citations
,
May 2010 in “Journal of Cellular Physiology” Mice without Vitamin D receptors have hair growth problems because of issues in the hedgehog signaling pathway.
32 citations
,
May 2018 in “Cell Cycle” Melatonin helps Cashmere goats grow more hair by affecting certain genes and cell pathways.
26 citations
,
October 2002 in “Journal of Investigative Dermatology” A specific gene mutation causes congenital hair loss.
25 citations
,
August 2014 in “Endocrinology” Researchers created a mouse model of a type of rickets that does not cause hair loss.
24 citations
,
September 2005 in “Journal of Cellular Biochemistry” Retinoids increase steroid sulfatase activity in leukemia cells through RARα/RXR and involves certain pathways like phosphoinositide 3-kinase and ERK-MAP kinase.
15 citations
,
November 2023 in “Immunity & ageing” TLR4 is important in aging-related diseases and could be a new treatment target.
13 citations
,
February 2016 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Mice without active or present vitamin D receptors maintain normal blood sugar control and islet gene expression when calcium levels are normal.
12 citations
,
November 2012 in “BioMolecular Concepts” PPAR β/δ is important for skin health and disease treatment, but more research is needed.
7 citations
,
February 2018 in “Journal of Investigative Dermatology” Fat tissue and a specific protein are crucial for healthy hair growth and maintenance.
6 citations
,
November 2021 in “Oncology Research and Treatment” Low Vitamin D receptor levels in breast cancer are linked to worse outcomes and more bone metastases, and could be a marker for prognosis.
3 citations
,
January 2019 in “Jikken doubutsu ihou/Jikken doubutsu/Experimental animals/Jikken Dobutsu” Pigs without the Hairless gene showed skin and thymus changes, useful for studying human hair disorders.
December 2025 in “Scientific Reports” α-Mangostin can naturally lighten skin by reducing melanin.
December 2024 in “Animals” RORA may help regulate hair growth by affecting hair follicle stem cells.
November 2023 in “Biomolecules” The research showed that Vitamin D and its receptor are important for healthy bones and normal hair and skin in rats.
January 2021 in “Medical Research Archives” Genetically modified rats help reveal how vitamin D affects bone and skin health.
46 citations
,
November 2004 in “Lipids” PPARs help regulate skin health and could be used to treat skin disorders.
3 citations
,
February 2023 in “Journal of Investigative Dermatology” Ch55 may help reduce skin scarring and fibrosis.