News tagged with chromosome 21
Related topics: genes
How sperm and eggs develop precisely 23 chromosomes each
Researchers at the University of California, Davis have discovered a key tool that helps sperm and eggs develop exactly 23 chromosomes each. The work, which could lead to insights into fertility, spontaneous ...
Apr 12, 2012 |
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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 / Medical research
Mar 08, 2011 |
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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 ...
Nov 03, 2010 |
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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 / Medical research
Jun 29, 2010 |
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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.
Jun 11, 2010 |
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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, Conditions, Syndromes
Apr 22, 2010 |
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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 ...
Mar 23, 2010 |
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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 / Medical research
Jan 16, 2010 |
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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, Conditions, Syndromes
Dec 02, 2009 |
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New chromosomal abnormality identified in leukemia associated with Down syndrome
Researchers identified a new chromosomal abnormality in acute lymphoblastic leukemia (ALL) that appears to work in concert with another mutation to give rise to cancer. This latest anomaly is particularly common in children ...
Oct 18, 2009 |
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Two more genetic risk factors for Alzheimer's disease found
An international team of scientists has identified two more genetic risk factors for Alzheimer's disease. The findings are reported in the online edition of the journal Nature Genetics.
Sep 06, 2009 |
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Why do people with Down syndrome have less cancer?
Most cancers are rare in people with Down syndrome, whose overall cancer mortality is below 10 percent of that in the general population. Since they have an extra copy of chromosome 21, it's been proposed that people with ...
Medicine & Health / Medical research
May 20, 2009 |
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Potential pathway for drug intervention
A newly identified molecular pathway that directs stem cells to produce glial cells yields insights into the neurobiology of Down's syndrome and a number of central nervous system disorders characterized by ...
Mar 13, 2009 |
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Standardized test battery to aid those with Down syndrome
Researchers at The University of Arizona are developing a set of standardized tests that could improve the lives of people with Down syndrome.
Medicine & Health / Diseases, Conditions, Syndromes
Jan 12, 2009 |
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