Mental Retardation News and Research

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Researchers develop first images of physical changes in brain cells thought to underlie memory

University of California, Irvine researchers have developed the first images of the physical changes in brain cells thought to underlie memory, a discovery that is already uncovering clues about memory loss linked to cognitive disorders.

17 May 2007

Popular epilepsy drug damages the unborn

A study by researchers in the United States has found that women who took an epilepsy drug during their pregnancy had a higher risk of giving birth to children with a lower IQ or with mental retardation.

7 May 2007

IQ results for children of mothers who took the epilepsy drugs during pregnancy

Children of women who took the epilepsy drug valproate during pregnancy appear to be at a greater risk for lower IQ, according to research presented at the American Academy of Neurology's 59th Annual Meeting in Boston.

4 May 2007

Drug therapy can reduce preterm births and decrease lifetime medical costs

Researchers from MetroHealth Medical Center and Case Western Reserve University in Cleveland, OH found that treating expectant mothers who have had previous spontaneous preterm births with 17 Alpha Hydroxyprogesterone caproate (17P) and reducing the incidence of another preterm birth would consequently reduce both short-term and lifetime medical costs in offspring by $2 billion per year.

27 Apr 2007

New automated test for gene mutations causing fragile X syndrome

A new automated test could enable population screening to identify carriers of the gene mutations causing fragile X syndrome (FXS), the most common inherited form of mental retardation, reports a study in the April issue of Genetics in Medicine, published by the American College of Medical Genetics and Lippincott Williams & Wilkins, a part of Wolters Kluwer Health.

19 Apr 2007

New understanding of genetics behind Noonan Syndrome

Researchers have discovered that the genetic malfunction that causes a form of mental retardation called Noonan Syndrome (NS) produces an imbalance in the genesis of two types of cells in the developing embryonic brain.

19 Apr 2007

Single master gene crucial for nerve cell insulation

Researchers funded by the National Institutes of Health have discovered how a defect in a single master gene disrupts the process by which several genes interact to create myelin, a fatty coating that covers nerve cells and increases the speed and reliability of their electrical signals.

17 Apr 2007

Mapping rhesus macaque genome helps illuminate what makes us human

Researchers have sequenced the genome of the relatively ancient rhesus macaque ( Macaca mulatta ), providing perspective into how humans are genetically different from our primate relatives.

15 Apr 2007

Fragile X and Down syndrome appear to share common genetic cause

The two most prevalent forms of genetic mental retardation, Fragile X and Down syndromes, may share a common cause, according to researchers at Stanford University School of Medicine.

11 Apr 2007

Stem cells delay neurodegeneration in the brain

Sufferers from devastating neurodegenerative diseases have been given some hope by the results of recent research.

12 Mar 2007

Australian researcher unveils pregnancy mystery

Belinda Hardman completed the study for her PhD with Deakin's Centre for Cellular and Molecular Biology under the supervision of Dr Leigh Ackland.

5 Mar 2007

Old drug pentylenetetrazole may improve learning and memory in Down syndrome victims

Researchers in the United States have discovered that an old drug once used to study epilepsy substantially improved learning and memory in mice with Down syndrome symptoms.

26 Feb 2007

Experimental vector vaccine reduces stillbirths from cytomegalovirus

Researchers funded by the National Institutes of Health have developed an experimental vaccine that reduces stillbirths among rodents born to mothers infected with cytomegalovirus (CMV) - a common virus that can also cause mental retardation and hearing loss in newborn children who were infected in early fetal life.

21 Feb 2007