Tag: "retardation" at biology news
Brain Protein "Rescues" Neurons From Atrophy
...se disorders might include certain forms of mental retardation
such as Down's syndrome, in which brain cells have fewer dendrites." In some cases, such as certain forms of epilepsy, pathologically high levels of activity could lead to undersirable excess growth of the wrong kinds of comnnections, said Katz. Adde...
Children With AD/HD Have Significant Functional Disabilities Related to Attention Deficit
...functional disability as children with mild mental retardation
and are not merely exhibiting "inconvenient" behavior. Results of the study were presented here today at the annual meeting of the Society for Pediatric Research. Using a standard developed at UB for use by the developmental- and rehabilit...
Researchers Find Production Point Of Key Protein In Fragile X Syndrome
... was found in 1969, but its relationship to mental retardation
wasnot understood. It was sequenced and named the ...rs, jaw and forehead. Impairmentranges from severe retardation
to slightly below normal intelligence. The X chromosome contains many genes. The fragile X gene con...
A New Gene For Mental Retardation
...om, BM Martin, EI Ginns X-Chromosome linked mental retardation
affects approximately 1 in 300 males. Although the...ly described X-chromosome gene with X-linkedmental retardation
in several independent populations. Overall, thismutation was found in 7 percent of all institutiona...
Vertex Pharmaceuticals/Yale Research Team Uses Gene Knockout Mice To Establish Role Of Caspase-9 In Neuronal Cell Death Pathway
...e malformations leading todisorders such as mental retardation
and childhood epilepsy. This study showsthat Caspase-9 is essential for cell death and therefore gives new insight intohow the brain develops in normal and pathological conditions." "The results of the transgenic experiment are striking," commented...
Gene Mutation Found For Common Form Of Mental Retardation
...e Genetics. Genes for nonsyndromic mental retardation
(MRX) have been prized quarryfor neurobiologists b...the third mutation forthis form of X-linked mental retardation
to be announced in the past threemonths. Intriguingly, two of the three mutations occur in genes tha...
Study Of Children's Fillings Finds No Mercury Exposure
... for example, causedsevere nerve damage and mental retardation
among children living near MinamataBay, Japan, in the mid-1950s. With no scientific evidence to support their claims, however, somepeople have said mercury fillings caused multiple sclerosis and numerous othermaladies, Dilley said. Co...
Fragile X brain synapses mostly undeveloped, researchers say
...rains don't changeor mature. The Fragile X mental retardation
protein (FMRP) is not working, thussecondary protein synthesis necessary for maturation does not occur, theresearchers reported. Their work-- funded by the FRAXA Research Foundation and the National Instituteof Child Health and Human Development-- in...
Rett Syndrome traced to defective gene 'silencer'
...ilizes, and the girls grow up withextensive mental retardation
and a propensity to sit and wring their hands. "I saw my first RTT patient as a pediatric neurology fellow in October 1983,though I didn't yet know what it was," said Zoghbi. "I was amazed by two things.First, her history of normal development follo...
Understanding key protein in Fragile X syndrome
...ile X syndrome, and perhaps other causes of mental retardation
as well. For a condition with such a delicate-sou...s of mental retardation. "For most forms of mental retardation
in humans, the genes have not been identified. Now that we're identifying some of these proteins, th...
Study points to chromosome site of autism gene
...ovide a resource to facilitate the study of mental retardation
and other developmental disorders including fragile X syndrome....
Common anti-inflammatory drug rescues low-growth fetuses in mouse study
...y issue of Nature Medicine. "Intrauterine growth retardation
is a relatively common and quite serious complication in pregnancy for which we have very few insights into mechanisms, although we know some of the risk factors," says Garret A. FitzGerald, MD, chairman of pharmacology and senior author on the repor...
Progress in mental retardation research
...is month, in a report on recent progress in mental retardation
(MR) research, Jozef Gécz and John Mulley (Uni...ent would illuminate not only the causes of mental retardation
but also the workings of the healthy human brain....
Drinking during pregnancy: American Indians and African Americans
...gest preventable cause of birth defects and mental retardation
in the United States. Lighter drinking during pregnancy can lead to Fetal Alcohol Effects (FAE), such as low birthweight, slower postnatal growth, and even spontaneous abortion. The Centers for Disease Control and Prevention (CDC) has found that ab...
Gene for Mucolipidosis IV discovered
... disorder characterized by severe mental and motor retardation
as well as vision abnormalities. This is one of the few cases in which a team composed entirely of Israeli scientists has discovered a gene for a genetic disease. Their findings will appear in the September issue of Nature Genetics. Ashkenazi ...
Protein stimulates key link between nerve cells, suggesting possible target for mental retardation and nerve regeneration therapies
... memory and a possible target for treating mental retardation
and nerve damage following stroke and spinal cord...ells sparks the brain into high activity. Mental retardation
is associated with a loss of the dendritic spines on post-synaptic neurons that play a role in rece...
Amidst genome data, a practical tool for researchers
...BAC Consortium took DNA from a patient with mental retardation
and developmental disorders. Knowing the location on the chromosome of abnormal structures, the researchers used their map to pinpoint the associated DNA segment. Analyzing the DNA clone, they were then able to narrow their search to specific candida...
Scientists create first animal model of Rett Syndrome
... syndrome, one of the most common causes of mental retardation
in females with an incidence of 1 in 10,000-15,000. The transgenic mouse model sheds much-needed light on the underlying mechanism of the disease and suggests a new reason for hope in the research toward therapies. Rett syndrome, caused by a defect...
Blood markers associated with autism and mental retardation
...sociated with the development of autism and mental retardation
later in childhood. The identification of a biolo...at autism has a strong genetic component. Mental retardation
is a term that is applied to people who show significantly delayed or impaired mental, intellectual,...
UF researchers reverse metabolic disorder in mice
... the disease face an extremely high risk of mental retardation
if not treated, all babies in the United States and many other countries are screened for the disorder shortly after birth. Retardation rates have declined as a result. In years past, it was assumed that strict dietary control was not necessary for...
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