News tagged with chromosome 21

Related topics: genes




Researchers unravel molecular roots of Down syndrome

Sanford-Burnham researchers discover that the extra chromosome inherited in Down syndrome impairs learning and memory because it leads to low levels of SNX27 protein in the brain.

Medical research created Mar 24, 2013 | popularity 4.4 / 5 (9) | comments 0 | with audio podcast

Extra chromosome 21 removed from Down syndrome cell line

(Medical Xpress)—University of Washington scientists have succeeded in removing the extra copy of chromosome 21 in cell cultures derived from a person with Down syndrome, a condition in which the body's ...

Medical research created Nov 09, 2012 | popularity 4.9 / 5 (11) | comments 0 | with audio podcast

Baby's genome deciphered prenatally from parents' lab tests

Scientists have successfully sequenced the genome of a baby in the womb without tapping its protective fluid sac. This non-invasive approach to obtaining the fetal genome is reported in the June 6 issue of ...

Genetics created Jun 06, 2012 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Biologists use flies, mice to study Down syndrome

A novel study involving fruit flies and mice has allowed biologists to identify two critical genes responsible for congenital heart defects in individuals with Down syndrome, a major cause of infant mortality ...

Genetics created Nov 04, 2011 | popularity not rated yet | comments 0 | with audio podcast

Cholesterol increases risk of Alzheimer's and heart disease

Researchers at the Linda Crnic Institute for Down Syndrome and the University of Colorado School of Medicine have found that a single mechanism may underlie the damaging effect of cholesterol on the brain and on blood vessels.

Medical research created Apr 15, 2013 | popularity 3 / 5 (2) | comments 0 | with audio podcast

New study documents women's experiences with chromosome abnormalities found in new prenatal test

(Medical Xpress)—We often hear that "knowledge is power." But, that isn't always the case, especially when the knowledge pertains to the health of an unborn child, with murky implications, at best. A new study, led by researchers ...

Genetics created Sep 21, 2012 | popularity not rated yet | comments 0 | with audio podcast

Understanding and treating the cognitive dysfunction of Down syndrome and Alzheimer's disease

Down syndrome (DS) is the most common genetic disorder in live born children arising as a consequence of a chromosomal abnormality. It occurs as a result of having three copies of chromosome 21, instead of the usual two. ...

Psychology & Psychiatry created Mar 01, 2012 | popularity 5 / 5 (2) | comments 1

Fragile X and Down syndromes share signalling pathway for intellectual disability

Intellectual disability due to Fragile X and Down syndromes involves similar molecular pathways report researchers in The EMBO Journal. The two disorders share disturbances in the molecular events that regula ...

Genetics created Aug 03, 2012 | popularity 5 / 5 (1) | comments 0

Down's syndrome testing hits several European markets

A new prenatal test for Down's syndrome hit the market in Germany and several other European countries Monday, the manufacturer said, amid a controversy over whether it could lead to more abortions.

Diseases, Conditions, Syndromes created Aug 20, 2012 | popularity not rated yet | comments 0

BPA alters development of in vitro ova and could increase risk of Down syndrome

Researchers at Universitat Autonoma de Barcelona analysed the effects of Bisphenol A (BPA), a polymer widely used to manufacture plastics, in an in vitro culture of ovaries. The research demonstrated that exposure to this ...

Health created Sep 21, 2011 | popularity 5 / 5 (2) | comments 0

Study finds specific gene linked to cold sore susceptibility

Investigators have identified a human chromosome containing a specific gene associated with susceptibility to herpes simplex labialis (HSL), the common cold sore. Published in the Journal of Infectious Diseases and now av ...

Diseases, Conditions, Syndromes created Oct 28, 2011 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

Prenatal intervention reduces learning deficit in mice

Mice with a condition that serves as a laboratory model for Down syndrome perform better on memory and learning tasks as adults if they were treated before birth with neuroprotective peptides, according to researchers at ...

Medical research created Nov 30, 2012 | popularity not rated yet | comments 0 | with audio podcast

Study offers insights into role of muscle weakness in Down syndrome

It is well known that people with Down syndrome (DS) suffer from marked muscle weakness. Even the simple tasks of independent living, such as getting out of a chair or climbing a flight of stairs, can become major obstacles. ...

Psychology & Psychiatry created Dec 17, 2012 | popularity not rated yet | comments 0

Test for chromosome abnormalities sheds light on genetic origins of faulty eggs

Researchers are developing a new way to test a woman's egg for chromosome abnormalities that avoids the need to manipulate and biopsy the egg itself. The research may also shed light on the crucial role played by certain ...

Medical research created Jul 05, 2011 | popularity not rated yet | comments 0

Could ovarian stimulation cause an increase in chromosome copy number abnormalities?

Ovarian stimulation undertaken by women of advanced maternal age receiving fertility treatment may be disrupting the normal pattern of meiosis -- a critical process of chromosome duplication followed by two specialized cell ...

Other created Jul 05, 2011 | popularity not rated yet | comments 0