Sentences with phrase «pm3 gene variations»

Other research shows that ADHD children with a particular gene variation have thinner tissue in the area of the brain that's associated with attention.
«Some people are protected from the effects of sleep deprivation by this particular gene variation but, for most of us, sleep loss does something to the brain that simply prevents us from switching gears when circumstances change.»
But over the past decade, researchers have identified hundreds of gene variations that seem to affect brain development in ways that increase the risk of autism.
There is no single mutation that causes Alzheimer's, says Wild, but we know of several gene variations that increase the risk of the disease.
Our genomes are strewn with millions of rare gene variations, the result of the very fast, very recent population growth of the human species.
All four teams focused their hunts on gene variations found in at least 10 per cent of the population, while Stefánsson thinks that rarer variants may play a more significant role in menarche.
«Within the context of our emerging appreciation of polygenic risk, where gene variations are implicated in several disorders, the new findings point to only partial overlap in the risk mechanisms for these two forms of bipolar disorder,» said Dr. Krystal.
He added that the challenge was to next move beyond this correlative study to figure out how these gene variations may lead to functional changes that contribute to the molecular process of aging.
This study showed the two subtypes have different genetic origins and involve a dramatically different number of chromosomal rearrangements, mutations and other gene variations.
A third of white people have gene variations that make it harder for them to quit cigarettes, and may predispose them to other addictive behaviours
Each Pm3 allele in the four new lines displayed the same activity as in the parental line, which results in increased overall activity, since it came from two different gene variations.
This resulted in four new wheat lines, each containing two different Pm3 gene variations.
Different Pm3 gene variations, or Pm3 alleles, encode different variations of the receptor.
Dopamine influences a lot of brain function, so the gene variation could be behind the difference in swan attitudes.
They saw that resistant gene variations formed frequently, both before fertilization in the germline and within the embryo.
«Opioid receptor gene variations associated with neonatal abstinence syndrome severity.»
«Single gene variation linked to obesity: Variation in the BDNF gene may affect brain's regulation of appetite, study suggests.»
«Thyroid gene variation may increase risk for Alzheimer's disease in African Americans.»
The scientists estimate that these gene variations were able to persist in Neanderthals because Neanderthals had a much smaller population size than humans.
With the completion of the first phase of the Human Genome Project in 2000, and the advent of sequencing technologies that can detect gene variations such as single nucleotide polymorphisms (SNPs), for the first time scientists have the tools in hand to find the key immune genes and genetic networks that play roles in vaccine response.
The researchers plan to continue their research into the effects of the gene variation.
And the gene variation has effects on hundreds of other genes as well, causing a cascade effect that the researchers have not yet fully charted.
In this case, the gene variation has dramatic effects on the fat cells on women's abdomens and hips, causing the cells to become larger but fewer.
«Inherited gene variation linked to an increased risk of the most common childhood cancer.»
Although gene variations are primarily inherited at conception, the findings show that environmental impacts can also introduce them later on.
Scientists have discovered a previously unrecognized gene variation that makes humans have healthier blood lipid levels and reduced risk of heart attacks — a finding that opens the door to using this knowledge in testing or treatment of high cholesterol and other lipid disorders.
«Surprisingly, when we looked for shared gene variants that might help explain part of the link between migraine and heart disease, we found no shared gene variations between migraine with aura and heart disease,» said study author Aarno Palotie, MD, of the Broad Institute of MIT and Harvard.
The team has identified several ways that naturally occurring gene variations can control both a person's height and their risk of coronary heart disease.
«These findings are extremely important,» says political scientist James Fowler at the University of California, San Diego, who has been doing research linking certain gene variations to political activity.
Finding these genes means we can now investigate what the gene variations are doing and how they interact with each other to see how AMD is formed.
If more fundamental gene variations are at fault, they have not yet been found.
For this study, the team, which also included Bernard Crespi, an evolutionary biology professor at Simon Fraser University in British Columbia, and East Carolina University evolution professor Kyle Summers, focused on 76 gene variations most strongly related to schizophrenia.
A dopamine - receptor gene variation is linked to changes in brain function, possibly neurotransmitter signaling
But it has not been clear until now that the effects of these particular gene variations can vary by race in patients taking clopidogrel after a heart attack.
Pulling up a grid with my results, Mattingly says that in this case, I came out normal in my genetic profile for gene variations associated with mercury sensitivity.
Increasingly, autism researchers are predicting that personalized, more effective treatments will come from understanding these common brain pathways — and how different gene variations alter them.
«In addition, the depth of the MSSNG database allowed us to identify resilient individuals who carry autism - associated gene variations without developing autism.
Sherr says that certain gene variations may be at work inside some people, putting them at higher risk for AhR activation by environmental chemicals.
The newest study from the Autism Speaks MSSNG project — the world's largest autism genome sequencing program — identified an additional 18 gene variations that appear to increase the risk of autism.
This swapping or «recombination» allows gene variations to spread rapidly through a population.
February 2, 2006 Gene variation increases SIDS risk in African Americans About five percent of deaths from SIDS (sudden infant death syndrome) in African Americans can be traced to defects in one gene, and half of those deaths result from a common genetic variation that increases an infant's risk of developing an abnormal heart rhythm during times of environmental stress, a research team based at the University of Chicago reports in the February 2006, issue of the Journal of Clinical Investigation.
According to Hakonarson, two of the gene variations — acting alone — appear to increase one's odds of developing diabetes by 50 percent.
«Gene variations occur naturally, and may become common in a population if they convey a health benefit,» said Douglas Bell, Ph.D., author on the paper and researcher at the National Institute of Environmental Health Sciences (NIEHS), part of NIH.
For example, centenarians not only have retarded biological ages, they're also more likely to carry specific gene variations (called single nucleotide polymorphisms, or SNPs) that protect against disease.
«The challenge is to pick these individual gene variations and to really drill down and try and understand their function both in the normal operation of the immune system and in the disease state.»
Dozens, even hundreds, of potential gene variations have been linked to the diseases.
Dr. Innocentis NIH - funded research program is currently focused on the discovery of genomic determinants of efficacy and toxicity of cancer chemotherapy, integrating clinical genomic investigation with functional evaluation of gene variation.
The researchers then zeroed in on the gene variations that occurred more often in the people with bipolar disorder and examined them individually.
The aim of this project is to investigate the role of serotonin transporter gene variations in the development and treatment of cocaine dependence.
The researchers also analyzed gene variations called single nucleotide polymorphisms, or SNPs, to see if any predicted healing.
a b c d e f g h i j k l m n o p q r s t u v w x y z