News tagged with copy number
Scientists propose new direction in the search for genetic causes of schizophrenia
Feb 06, 2009 |
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A new study shows that schizophrenia is caused, at least in part, by large, rare structural changes in DNA referred to as copy number variants (CNVs) - not the tiny, single letter alterations (single nucleotide polymorphisms ...
Scientists identify genomic causes of a certain type of leukemia relapse
Nov 27, 2008 |
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Scientists at St. Jude Children's Research Hospital have identified distinctive genetic changes in the cancer cells of children with acute lymphoblastic leukemia (ALL) that cause relapse. The finding offers a pathway to designing ...
Microarray analysis improves prenatal diagnosis
Nov 17, 2008 |
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A "chip" or array that can quickly detect disorders such as Down syndrome or other diseases associated with chromosomal abnormalities proved an effective tool in prenatal diagnosis in a series of 300 cases at Baylor College ...
DNA chunks, chimps and humans
Biology /
Nov 06, 2008 |
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Researchers have carried out the largest study of differences between human and chimpanzee genomes, identifying regions that have been duplicated or lost during evolution of the two lineages. The study, published in Genome Re ...
Study sheds light on genetic differences that cause a childhood eye disease
Oct 31, 2008 |
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Medical researchers at the University of Alberta have unlocked part of the mystery underlying a childhood eye disease. New research shows how children with some types of glaucoma end up with missing or extra pieces of DNA.
