78 citations
,
November 2008 in “Fertility and Sterility” Amenorrhea is relatively rare and initial testing should check FSH, TSH, and prolactin levels.
47 citations
,
December 2019 in “Frontiers in immunology” A new mutation in the STING protein causes a range of symptoms and its severity may be affected by other genetic variations; treatment with a specific inhibitor showed improvement in one patient.
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.
27 citations
,
October 2017 in “British Journal of Dermatology” Patients with GATA2 deficiency show early skin symptoms that help diagnose the condition.
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.
16 citations
,
September 2018 in “Scientific reports” Scientists created keratinocyte cell lines from human hair that can differentiate similarly to normal skin cells, offering a new way to study skin biology and diseases.
14 citations
,
July 2010 in “British Journal of Dermatology” Estrogen and prolactin may play bigger roles in female hair loss than previously thought.
5 citations
,
May 2011 in “European Journal of Medical Genetics” A genetic duplication on chromosome 5 was linked to a woman's unique combination of medical conditions.
1 citations
,
August 2013 in “Fertility and Sterility” Finasteride may improve sperm count in subfertile men with low sperm count.
February 2022 in “Obstetrics and gynaecology cases - reviews” PCOS can cause unusual symptoms like late puberty and enlarged clitoris, making diagnosis difficult.
May 2021 in “Journal of the Endocrine Society” A patient produced cortisol after adrenalectomy, possibly due to residual tissue or other body parts making steroids.
February 2009 in “Journal of The American Academy of Dermatology” Most patients with Tuberous sclerosis had neurological or skin issues, and over half had psychiatric problems.
February 2009 in “Journal of The American Academy of Dermatology” Yellow dots look different in various hair loss conditions and can help diagnose them.
February 2009 in “Journal of The American Academy of Dermatology” The document concludes that detailed clinical descriptions of seven family cases help understand dominant dystrophic epidermolysis bullosa's symptoms and inheritance.
December 2022 in “IntechOpen eBooks” Forensic DNA Phenotyping accurately predicts physical traits and is used in investigations, but needs more diverse population data for confirmation.
10 citations
,
May 2020 in “International Journal of Molecular Sciences” Hair follicles can be used to study gene mutations in Stargardt disease.
27 citations
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April 2011 in “International journal of legal medicine” In situ DNA labeling in hair can help predict forensic DNA analysis success.
25 citations
,
May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
4 citations
,
August 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The tool iCOUNT helps understand how stem cells divide and affect tissue development and repair.
April 2020 in “International Journal of Cosmetic Science” The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
175 citations
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September 1998 in “British Journal of Dermatology” Keratin 17 gene mutations cause both steatocystoma multiplex and pachyonychia congenita type 2.
25 citations
,
January 1988 in “Journal of Investigative Dermatology” 15 citations
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January 1993 in “DNA sequence” KRT2.13 gene is similar to KRT2.9 but not expressed in hair follicles.
6 citations
,
July 2018 in “Advances in Clinical and Experimental Medicine” Different body parts have varying levels of certain hair follicle markers.
32 citations
,
August 2016 in “Science Signaling” Alopecia areata patients show unique protein activity patterns, suggesting imbalanced signaling pathways.
26 citations
,
February 1998 in “DNA and Cell Biology” K6 gene expression can be controlled and manipulated in mice for studying skin disorders.
23 citations
,
May 2005 in “British Journal of Cancer” Plucked human hair can be used to study drug effects on certain cell markers.
3 citations
,
August 2022 in “Biochemical Genetics”