News tagged with chromosomal abnormalities
Different paths to drug resistance in Leishmania
Two remarkable discoveries were today revealed by researchers into genome analysis of Leishmania parasites. These results uncovered a surprising level of variation at the genome structure level.
Oct 27, 2011 |
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When someone is raised female and the genes say XY
(AP) -- It's the birth defect people don't talk about. A baby is born not completely male or female. The old term was hermaphrodite, then intersex. Now it's called "disorders of sexual development." Sometimes the person ...
Sep 12, 2009 |
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Why the biological clock? Study says aging reduces centromere cohesion, disrupts reproduction
University of Pennsylvania biologists studying human reproduction have identified what is likely the major contributing factor to the maternal age-associated increase in aneuploidy, the term for an abnormal ...
Sep 08, 2010 |
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First babies born from genetic screening study
Two women taking part in the world's first controlled study of a comprehensive genetic screening test before IVF have given birth to healthy babies. The babies, twin girls born in Germany in June and a singleton boy born ...
Medicine & Health / Medical research
Oct 15, 2010 |
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Genetics work could lead to advances in fertility for women
Princeton scientists have identified genes responsible for controlling reproductive life span in worms and found they may control genes regulating similar functions in humans.
Oct 22, 2010 |
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A better genetic test for autism
A large study from Children's Hospital Boston and the Boston-based Autism Consortium finds that a genetic test that samples the entire genome, known as chromosomal microarray analysis, has about three times the detection ...
Mar 15, 2010 |
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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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Genetic test can scan fetus through mom's blood
Scientists have discovered a way to learn everything there is to know about a fetus's genetic make-up by taking a sample of the pregnant mother's blood, said a study released on Wednesday.
Medicine & Health / Medical research
Dec 08, 2010 |
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The egg makes sure that sperm don't get too old
In contrast to women, men are fertile throughout life, but research at the Sahlgrenska Academy, University of Gothenburg, Sweden, has now shown that a fertilising sperm can get help from the egg to rejuvenate. The result ...
Mar 25, 2009 |
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Scientists discover genetic abnormalities after creation of stem cells
Dr. Andras Nagy's laboratory at the Samuel Lunenfeld Research Institute of Mount Sinai Hospital and Dr. Timo Otonkoski's laboratory at Biomedicum Stem Cell Center (University of Helsinki), as well as collaborators in Europe ...
Mar 02, 2011 |
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Study finds therapeutic targets for rare cancer in children
The first study of Ewing's sarcoma that screened hundreds of genes based on how they affect cell growth has identified two potential anti-cancer drug targets, according to a scientific paper by the Translational Genomics ...
Sep 01, 2010 |
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Newly discovered mechanism in cell division has implications for chromosome's role in cancer
"A biologist, a physicist, and a nanotechnologist walk into a..." sounds like the start of a joke. Instead, it was the start of a collaboration that has helped to decipher a critical, but so far largely unstudied, ...
Aug 17, 2009 |
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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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A yeast cancer model for mapping cancer genes
Researchers have devised a scheme for identifying genes in yeast that could lead to the identification of new cancer genes in humans. The study is published online this week in the open-access journal PLoS Bi ...
Jul 28, 2009 |
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Ultrasound enhances noninvasive Down syndrome tests
The addition of a "genetic sonogram" maximizes the accuracy of non-invasive testing for Down syndrome, said a Baylor College of Medicine researcher who was lead author of a landmark study in the current issue of Obstetrics an ...
Medicine & Health / Diseases, Conditions, Syndromes
Nov 20, 2009 |
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Chromosome abnormality
A chromosome anomaly (chromosome abnormality) reflects an atypical number of chromosomes (karyotype) or a structural abnormality in one or more chromosomes. Chromosome anomalies usually occur when there is an error in cell division following meiosis or mitosis. There are many types of chromosome anomalies. They can be organized into two basic groups, numerical and structural anomalies.
For more information about Chromosome abnormality, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
