30 citations,
July 2004 in “Fertility and Sterility” Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.
30 citations,
March 2001 in “Environmental Health Perspectives” Small changes in hormones can significantly impact health, showing the importance of sensitive testing for chemicals that disrupt hormones.
28 citations,
August 2014 in “Journal of Assisted Reproduction and Genetics” The VEGF +405G allele may increase the risk of PCOS in South Indian women.
27 citations,
March 2018 in “Fertility and Sterility” Women with PCOS who had antiandrogenic treatment before pregnancy had fewer complications than those without treatment.
26 citations,
May 2012 in “Cellular and Molecular Life Sciences” NcoA4 may have roles beyond helping control gene activity, possibly affecting cell behavior and stability.
25 citations,
May 2016 in “Progress in Biophysics & Molecular Biology” R-spondins and their receptors help increase bone growth and may be used to treat bone loss diseases.
25 citations,
September 2014 in “Biological Research” Arctiin helps protect hair cells from damage and death caused by oxidative stress.
24 citations,
March 2017 in “Archives of Gynecology and Obstetrics” The study found that women with hyperandrogenic PCOS have higher levels of AKT1 and AKT2 proteins in their cells, which may lead to cell dysfunction.
23 citations,
August 2018 in “Biochimica and biophysica acta. Molecular and cell biology of lipids” Different sPLA2 enzymes affect immunity, skin and hair health, reproduction, and may be potential targets for therapy.
21 citations,
November 2010 in “Journal of molecular medicine” FoxN1 gene is essential for proper thymus structure and preventing hair loss.
21 citations,
September 2004 in “Fertility and Sterility” Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.
20 citations,
January 2013 in “Cell & Bioscience” Understanding how epigenetic regulation affects stem cells is key to cancer insights and new treatments.
18 citations,
January 2020 in “Acta dermato-venereologica” Over 67 genes linked to ichthyosis help improve diagnosis and treatment.
18 citations,
August 2018 in “The FASEB journal” Rabbits lacking the Hoxc13 gene show similar hair and skin issues to humans with ECTD-9, making them good for research on this condition.
18 citations,
June 2009 in “Journal of Molecular Endocrinology” Finasteride exposure harms tadpole reproduction and hormone balance.
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.
15 citations,
July 2013 in “Cell Reports” Indian Hedgehog helps control skin cell growth and protects against aggressive skin cancer.
14 citations,
October 2016 in “Physiological Research” Alfacalcidiol and metformin together lowered testosterone in women with PCOS, but did not significantly improve acne, hair growth, or pregnancy rates.
13 citations,
March 2014 in “Cutaneous and Ocular Toxicology” Oral isotretinoin for severe acne can change hormone levels but does not significantly affect ovarian function.
12 citations,
June 2020 in “Frontiers in Cell and Developmental Biology” The PP2A-B55α protein is essential for brain and skin development in embryos.
12 citations,
May 2015 in “Molecular Medicine Reports” Troxerutin helps protect skin cells from oxidative stress and may be good for treating hair loss.
9 citations,
March 2021 in “Hormones” COVID-19 may affect male fertility and women might have better outcomes due to hormonal and immune differences.
9 citations,
July 2009 in “Journal Of Endocrinology, Metabolism And Diabetes Of South Africa” The document concludes that managing PCOS involves treating symptoms and reducing long-term metabolic risks, with lifestyle changes being important.
6 citations,
August 2013 in “Fertility and Sterility” Eating cream can increase ovarian androgen production in women with Polycystic Ovary Syndrome, which is not related to obesity.
5 citations,
January 2006 in “Journal of obstetrics and gynaecology” Metformin can cause hair loss in some women with PCOS.
4 citations,
April 2021 in “Experimental and Molecular Medicine” The conclusion is that certain genetic factors and blood types may affect COVID-19 severity, but changes in ACE2 and TMPRSS2 genes are not clearly linked to it.
4 citations,
January 2014 in “Dermatology” A woman with acne and baldness was found to have a rare ovarian condition but successfully had a child through fertility treatment.
4 citations,
July 2012 in “Genesis” The Megsin-Cre transgene is a new tool for genetic manipulation in the skin and upper digestive tract.
3 citations,
December 2020 in “Scientific reports” Mitochondrial problems in tooth cells lead to bad enamel and dentin development in mice.
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.