Patients with Klinefelter and triple X syndromes show an increased prevalence of SLE and Sjögren disease, likely due to the synergistic interaction of the extra X chromosomes.

“We have thought that the X chromosome had something to do with the autoimmune ... or an offshoot called CREST syndrome.” Autoantibody markers that help narrow the diagnosis could better equip doctors ...

Created with Sketch. Also known as XXY syndrome, this rare condition occurs when male babies are born with an extra X chromosome. These individuals tend to have smaller genitalia, extreme shyness ...

UCSF researchers found that brain cells age more quickly when they rely solely on the X chromosome inherited from a female's ...

Klinefelter syndrome, also known as XXY syndrome, is the result of an extra X chromosome in people assigned male at birth. It is associated with high rates of sterility and sexual dysfunction.

Female mammals typically carry two X chromosomes — one from each parent — and a new study suggests that the maternal X is linked to faster brain aging. The X chromosome passed from mom to ...

Dec. 1, 2022 — Research on understanding the effect of extra chromosomes for conditions like Down syndrome typically involves examining what genes play a role in the symptoms of these conditions.

An extra chromosome changes how the brain ... A baby with Turner syndrome is missing all of or part of the X chromosome. This only affects babies with X chromosomes and can cause growth problems ...

For those with Klinefelter syndrome, this painful reality is a constant struggle. How does an extra X chromosome lead to infertility in men? Professor Qiao Jie and her team at Peking University ...