http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Sanford-Burnham researchers discover that the extra chromosome inherited in Down syndrome impairs learning and memory because it leads to low levels of SNX27 protein in the brain. http://medicalxpress.com/news/2013-03-unravel-molecular-roots-syndrome.html Medical research Sun, 24 Mar 2013 14:00:06 EST news283335198 Mice with a condition that serves as a laboratory model for Down syndrome perform better on memory and learning tasks as adults if they were treated before birth with neuroprotective peptides, according to researchers at the National Institutes of Health. http://medicalxpress.com/news/2012-11-prenatal-intervention-deficit-mice.html Medical research Fri, 30 Nov 2012 09:09:51 EST news273488980 (Medical Xpress)—University of Washington scientists have succeeded in removing the extra copy of chromosome 21 in cell cultures derived from a person with Down syndrome, a condition in which the body's cells contain three copies of chromosome 21 rather than the usual pair. http://medicalxpress.com/news/2012-11-extra-chromosome-syndrome-cell-line.html Medical research Fri, 09 Nov 2012 07:01:12 EST news271666821 (AP) -- A new, noninvasive test to detect certain fetal abnormalities early in pregnancy is being launched and should be widely available next month. http://medicalxpress.com/news/2012-05-blood-fetal-anomalies.html Obstetrics & gynaecology Mon, 07 May 2012 12:46:19 EST news255613569