http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. 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 (SNPs) that scientists have pursued for years. The findings are published February 6 in the open-access journal PLoS Genetics. http://www.physorg.com/news153129357.html Medicine & Health Fri, 06 Feb 2009 07:59:16 EST news153129357 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 treatments for ALL relapse in children and, ultimately, in adults. http://www.physorg.com/news147015318.html Medicine & Health Thu, 27 Nov 2008 13:35:18 EST news147015318 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 of Medicine, said researchers in a report that appears in the current issue of the journal Prenatal Diagnosis. http://www.physorg.com/news146138198.html Medicine & Health Mon, 17 Nov 2008 09:56:38 EST news146138198 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 Research, is the first to compare many human and chimpanzee genomes in the same fashion. http://www.physorg.com/news145182073.html Biology Thu, 06 Nov 2008 08:21:13 EST news145182073 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. http://www.physorg.com/news144671028.html Medicine & Health Fri, 31 Oct 2008 11:23:48 EST news144671028