News tagged with chromosome 21

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 ...

Medicine & Health / Genetics

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

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 ...

Medicine & Health / Diseases

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

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 ...

Medicine & Health / Health

created Sep 21, 2011 | popularity 5 / 5 (2) | 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 ...

Medicine & Health / 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 ...

Medicine & Health / Other

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

Brain scan identifies patterns of plaques and tangles in adults with Down syndrome

In one of the first studies of its kind, UCLA researchers used a unique brain scan to assess the levels of amyloid plaques and neurofibrillary tangles -- the hallmarks of Alzheimer's disease -- in adults with ...

Medicine & Health / Neuroscience

created Jun 13, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Alzheimer's-related protein disrupts motors of cell transport

A protein associated with Alzheimer's disease clogs several motors of the cell transport machinery critical for normal cell division, leading to defective neurons that may contribute to the memory-robbing disease, University ...

Medicine & Health / Research

created May 02, 2011 | popularity not rated yet | comments 0 | with audio podcast

Down syndrome test breakthrough 'on the horizon'

A less risky non-invasive procedure based on maternal DNA to diagnose Down syndrome could be generally available to pregnant women by 2013, a Cyprus researcher said Tuesday.

Medicine & Health / Research

created Mar 08, 2011 | popularity 1 / 5 (4) | comments 4

Chromosome imbalances lead to predictable plant defects

Physical defects in plants can be predicted based on chromosome imbalances, a finding that may shed light on how the addition or deletion of genes and the organization of the genome affects organisms, according ...

Biology / Biotechnology

created Nov 03, 2010 | popularity not rated yet | comments 0 | with audio podcast

Cheap, simple, noninvasive blood test may replace invasive diagnostic techniques in early pregnancy

Researchers in The Netherlands believe they are on the verge of developing a simple, prenatal blood test that would be able to detect accurately chromosomal abnormalities in the developing foetus. At present, the only reliable ...

Medicine & Health / Research

created Jun 29, 2010 | popularity not rated yet | comments 0

Down's Syndrome Chromosome Yields More Cancer-Blocking Genes

(PhysOrg.com) -- Scientists from Queen Mary, University of London have discovered cancer-blocking activity for genes carried on chromosome 21 - an extra copy of which is carried by people with Down’s syndrome.

Medicine & Health / Genetics

created Jun 11, 2010 | popularity 5 / 5 (7) | comments 12 | with audio podcast

Nutrition researchers to develop new growth charts for children with Down syndrome

Parents and doctors have known for a long time that children with Down syndrome tend to grow more slowly and are considerably shorter than most other children. But pediatricians needing to record growth milestones at regular ...

Medicine & Health / Diseases

created Apr 22, 2010 | popularity not rated yet | comments 0

New theory of Down syndrome cause may lead to new therapies

Conventional wisdom among scientists for years has suggested that because individuals with Down syndrome have an extra chromosome, the disorder most likely results from the presence of too many genes or proteins contained ...

Chemistry / Biochemistry

created Mar 23, 2010 | popularity 5 / 5 (6) | comments 2 | with audio podcast

Studies demonstrate link among Alzheimer's disease, Down syndrome and atherosclerosis

Nearly 20 years ago Huntington Potter kicked up a storm of controversy with the idea that Down syndrome and Alzheimer's were the same disease. Now the evidence is in: He was right.

Medicine & Health / Research

created Jan 16, 2010 | popularity 5 / 5 (24) | comments 8 | with audio podcast

Down Syndrome becoming more prevalent in the U.S.

(PhysOrg.com) -- A new study, aimed at estimating the prevalence of Down Syndrome in newborns, children and teenagers in 10 areas of the U.S., has found an increase in prevalence of more than 30 percent over ...

Medicine & Health / Diseases

created Dec 02, 2009 | popularity 4.7 / 5 (9) | comments 4 weblog