Genome - wide association studies use «genechip» technology to identify genetic variants (
single gene polymorphisms or «SNPs») that could explain differences in health between individuals.
Not exact matches
Their preliminary analysis revealed several mutations known as
single nucleotide
polymorphisms (SNPs) in the ALR
gene, many of which haven't been identified before.
After
gene - typing about 3,000 people, Sturm found that how OCA2 is expressed — and how much pigment a person has — is strongly linked to three
single nucleotide
polymorphisms (SNPs), or
single letter variations, in a DNA sequence near the OCA2
gene.
Reviewing thousands of genome wide associate studies (GWAS) to identify genetic variants in
single nucleotide
polymorphisms (SNPs), investigators at Dartmouth's Norris Cotton Cancer Center found that some alleles (one of a pair of
genes located on a specific chromosome) are more frequently risk - associated with disease than protective.
Results from a statistical analysis shows a cluster of SNPs —
single nucleotide
polymorphisms — in one section of a
single gene, indicating the location of a mutation likely linked to autism.
Rather than measuring genetic changes directly (such as
single nucleotide
polymorphisms, otherwise known as SNPs), McKee and her group typically do RNA expression profiles on patients to see what
genes are being expressed.
The researchers looked at functional
single nucleotide
polymorphisms within the CLOCK
gene that are able to influence how much protein is transcribed from the
gene.
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 team found that a
single polymorphism (a difference in one «letter» of the sequence) in the BDNF
gene accounted for significant differences in intelligence among those with similar injuries and comparable intelligence before being injured.
The genomics era has had a profound impact on life science research, leading to significant developments such as the use of expression quantitative trait loci (eQTLs), which link
polymorphisms in
single genes to quantifiable changes in
gene expression associated with specific diseases.
Instead, the project can start out by testing participants» DNA for so - called
single nucleodtide
polymorphism (SNPs), common mutations scattered along the genome that can point to disease risk
genes.
They also identified SNPs (
single nucleotide
polymorphisms, or alterations to the genetic code created by the addition or deletion of a
single nucleotide in a
gene's long chain).
This study further investigated the impact of nicotine use / smoking status and variation in the mu opioid receptor
gene (OPRM1), specifically, an A118G
single nucleotide
polymorphism (SNP, or DNA sequence variation), on the effects of naltrexone on a range of drinking outcomes.
Hill showed a
single - nucleotide
polymorphism — placed in the genome where a
single nucleotide is altered — in this
gene is «strongly associated» with elite sprint racing performance.
The team identified 15 new genetic CAD associations, via SNPs — or
single - nucleotide
polymorphisms, places in
genes in which the DNA building blocks differ from person to person by only one block, or nucleotide.
Studies of worms and fruit flies show that variations, or
polymorphisms, in a
single gene can affect how long these creatures live.
Objective To identify common genetic markers that may confer differential benefit from aspirin or NSAID chemoprevention, we tested
gene × environment interactions between regular use of aspirin and / or NSAIDs and
single - nucleotide
polymorphisms (SNPs) in relation to risk of colorectal cancer.
Previous genetic studies have examined the association of aspirin, NSAIDs, or both with colorectal cancer according to a limited number of candidate
genes or pathways.6 - 10 Thus, to comprehensively identify common genetic markers that characterize individuals who may obtain differential benefit from aspirin and NSAIDs, we conducted a discovery - based, genome - wide analysis of
gene × environment interactions between regular use of aspirin, NSAIDs, or both and
single - nucleotide
polymorphisms (SNPs) in relation to risk of colorectal cancer.
The results also showed that
polymorphism, a genetic variant that can change the way a particular
gene functions, is possible under a wide range of conditions, which results in a
single population playing a variety of different behavioral games.
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.
Analysis of a linkage peak on chromosome 13 with a dense set of SNPs (
single nucleotide
polymorphisms) revealed a four - SNP haplotype spanning the
gene encoding FLAP (ALOX5AP) that confers an approximately twofold increased risk of myocardial infarction, or heart attack.
A
single nucleotide
polymorphism (SNP) in the ARID5B
gene has been identified as a risk factor in the most common form of childhood leukaemia
The alliance will employ Illumina's platform for high - multiplex
single - nucleotide
polymorphism (SNP) genotyping to develop tests for
gene variants deCODE has previously shown to have impact on the risk of a growing number of common diseases with major public health impact.
In each case they checked tiny sites of known DNA - sequence variations — «
single nucleotide
polymorphisms» — that mark common
gene variants.
For the 374 expressed
genes, we find many regions with statistically significant association of
single nucleotide
polymorphisms (SNPs) with expression variation in lymphoblastoid cell lines after correcting for multiple tests.
The researchers also analyzed
gene variations called
single nucleotide
polymorphisms, or SNPs, to see if any predicted healing.
Studying a specific type of genetic variation in the DNA sequences of wolves and domestic dogs - called
Single Nucleotide
Polymorphisms (SNPs)- the scientists identified the transfer of dog
gene variants into wolf genomes.
The researchers zeroed in on a
single - nucleotide
polymorphism (SNP) that appeared to be the causal mutation, typically consisting of an adenine nucleotide but appearing as a guanine nucleotide in roughly a third of the population, located in a region of noncoding DNA that falls within the PHACTR1
gene.
In a new study, Sklar and her colleagues are scanning 500,000
gene variants, known as
single nucleotide
polymorphisms, obtained from a sampling of patients with bipolar disorder.
This section invites manuscripts describing (a) Linkage, association, substitution or positional mapping and epigenetic studies in any species; (b) Validation studies of candidate
genes using genetically - engineered mutant model organisms; (c) Studies focused on epistatis and
gene - environment interactions; (d) Analysis of the functional implications of genomic sequence variation and aim to attach physiological or pharmacogenomic relevance to alterations in
genes or proteins; (e) Studies of DNA copy number variants, non-coding RNA, genome deletions, insertions, duplications and other
single nucleotide
polymorphisms and their relevance to physiology or pharmacology in humans or model organisms, in vitro or in vivo; and (f) Theoretical approaches to analysis of sequence variation.
Single nucleotide
polymorphisms in
genes for 2» -5» - oligoadenylate synthetase and RNase L inpatients hospitalized with West Nile virus infection.J Infect Dis.
To explore the possibility of common genetic pathways within the respective pathophysiologies, nine ADHD candidate
single nucleotide
polymorphisms (SNPs) in seven
genes were tested for association with PD in 5333 cases and 12,019 healthy controls: one variant, respectively, in the
genes coding for synaptosomal - associated protein 25 k (SNAP25), the dopamine (DA) transporter (SLC6A3; DAT1), DA receptor D4 (DRD4), serotonin receptor 1B (HTR1B), tryptophan hydroxylase 2 (TPH2), the norepinephrine transporter SLC6A2 and three SNPs in cadherin 13 (CDH13).
To this end, we determined the susceptibility of 38 NAPCR1 isolates to ten antibiotics from seven classes using E-tests or macrodilution tests and examined 31 NAPCR1 whole - genome sequences to identify
single nucleotide
polymorphisms and
genes that could explain the observed resistance phenotypes.
This technology can be applied to
gene expression, SNPs (
single nucleotide
polymorphisms) and proteomics data to improve diagnostic and drug target identification and prioritization, predictive toxicology and drug screening.
NCBI provides
Gene, Online Mendelian Inheritance in Man, the Molecular Modeling Database (3D protein structures), dbSNP (a database of
single - nucleotide
polymorphisms), the Reference Sequence Collection, a map of the human genome, and a taxonomy browser, and coordinates with the National Cancer Institute to provide the Cancer Genome Anatomy Project.
The human DAO
gene spans ≈ 10 kbp and is located on chromosome 7q35 (27) Various
single - nucleotide
polymorphisms (SNPs) in the DAO
gene have been shown to be associated with inflammatory and neoplastic gastrointestinal diseases, such as food allergy (44), gluten - sensitive enteropathy, Crohn disease, ulcerative colitis, and colon adenoma (45 — 47).
Methods.: Dogs of various breeds, affected or unaffected with primary glaucoma, were genotyped for the Gly661Arg variant of ADAMTS10, as well as 7 other nonsynonymous
single nucleotide
polymorphisms (SNPs) in other
genes in the beagle POAG locus that segregate with disease.
Scientists used
gene chips containing feline
single nucleotide
polymorphisms (SNPs)-- variations from the common feline DNA sequence that can help track down
genes responsible for genetic diseases — to conduct their investigations.
We try to identify genetic markers (
single nucleotide
polymorphisms) that point to the associated or causal
genes and the
genes themselves underlying the development of canine hip dysplasia and secondary hip osteoarthritis.
These
single nucleotide
polymorphisms (SNPs), as they are called, were located in the HAS2
gene.
The moderating effects of three
single nucleotide
polymorphisms (SNPs)(rs1042778, rs2268493 and rs237887) of the OXTR
gene on mesolimbic responses to rewards were evaluated using a monetary incentive delay fMRI task.