37 citations
,
February 2023 in “Gut Microbes” Gut bacteria can lower androgen levels in male mice.
159 citations
,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
49 citations
,
December 2009 in “Journal of Investigative Dermatology” Thyroid function affects skin health, with a complex interaction between the two.
26 citations
,
October 2002 in “Journal of Investigative Dermatology” A specific gene mutation causes congenital hair loss.
18 citations
,
October 2021 in “Frontiers in Physiology” Lipocalin-Type Prostaglandin D2 Synthase (L-PGDS) is a protein that plays many roles in the body, including sleep regulation, pain management, food intake, and protection against harmful substances. It also affects fat metabolism, glucose intolerance, cell maturation, and is involved in various diseases like diabetes, cancer, and arthritis. It can influence sex organ development and embryonic cell differentiation, and its levels can be used as a diagnostic marker for certain conditions.
15 citations
,
August 1998 in “Australasian journal of dermatology” The document concludes that various cosmetic and drug treatments are available for hirsutism, and some new drugs show promise.
14 citations
,
January 2020 in “Frontiers in Endocrinology” OCT4 helps granulosa cell growth in early-stage follicles, and FSH increases OCT4 through specific pathways.
8 citations
,
September 2016 in “Reviews in Endocrine and Metabolic Disorders” Skin health and diseases are closely linked to metabolic processes.
5 citations
,
May 2017 in “Journal of the European Academy of Dermatology and Venereology” The study found no significant difference in stress hormone levels between people with alopecia areata and healthy individuals, suggesting that the disease is not caused by an overactive stress response system.
April 2023 in “Journal of Investigative Dermatology” The research developed methods to test drugs that could protect and restore hair follicle protection in a hair loss condition.
November 2022 in “Journal of Investigative Dermatology” Blocking mTORC1 activity could increase hair pigmentation and potentially reverse greying.
January 2014 in “theses.fr (ABES)” Androgens regulate Sertoli cells and affect fertility through specific receptors and coregulators.
September 2004 in “Experimental Dermatology” Stress and certain chemicals affect hair growth by interacting with the immune and nervous systems.
2 citations
,
October 2020 in “Journal of The American Academy of Dermatology” The authors suggest that scalp hair might protect against COVID-19 and call for more research on scalp health and the virus.
11 citations
,
December 2020 in “Notulae botanicae Horti Agrobotanici Cluj-Napoca” Mycorrhizal fungi and shading improve tea plant growth and nutrient uptake by changing hormone levels and gene expression.
1 citations
,
May 2017 in “InTech eBooks” Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.
40 citations
,
April 2014 in “Genes & Development” Hormones during pregnancy and lactation keep skin stem cells inactive, preventing hair growth.
1 citations
,
September 2017 in “Journal of Investigative Dermatology” Blocking a specific enzyme can reduce the negative impact of stress hormones on hair growth cells.
12 citations
,
January 1991 in “Archives of dermatological research” Male hormones control a specific gene in hamster skin, with different hormones having varying effects.
3 citations
,
January 2022 in “Journal of neuroendocrinology” Sex hormones affect brain cells differently in males and females.
March 1998 in “Journal of dermatological science” Protease Nexin-1 is found in human hair growth cells and is affected by male hormones.
139 citations
,
December 2020 in “Cell Stem Cell” Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.
46 citations
,
May 2012 in “Molecular and Cellular Endocrinology” Human skin produces sex hormones like estrogen and testosterone, influenced by ARO and StAR, which may affect skin elasticity and hair growth.
25 citations
,
November 2001 in “Kidney International” Male hormones worsen kidney transplant damage, but blocking them helps.
20 citations
,
January 2019 in “Journal of dermatological science” Male hormones indirectly affect skin cell development by increasing growth factor levels from skin fibroblasts.
6 citations
,
May 1997 in “Journal of Dermatological Science” Researchers found a gene in hamsters that responds to male hormones and may be indirectly controlled by them.
January 2024 in “Biology of sex differences” Dihydrotestosterone makes arteries stiffer in female mice by reducing estrogen receptor expression.
173 citations
,
July 1995 in “Biochemical and biophysical research communications” Male hormones promote hair cell growth by using a growth factor from nearby skin cells.
238 citations
,
February 2007 in “Journal of Neuroscience” Ovarian and stress hormones can change GABA A receptors through neurosteroids.
21 citations
,
July 2019 in “Cardiovascular Research” High levels of male hormones in pregnant mice cause heart enlargement and poor heart function in their female babies.