Genetic studies have linked multiple forms of cancer with specific breeds and more will likely be discovered
as genetic markers are identified.
Validation of variants in SLC28A3 and UGT1A6
as genetic markers predictive of anthracycline - induced cardiotoxicity in children.
Botstein and Davis led an effort that resulted in an idea that at the time was absolutely radical, namely, that you don't have to map the observable traits, known as phenotypes, but instead can follow inheritance patterns using random differences in DNA
as genetic markers — differences neutral to evolution and that have nothing to do with observable traits.
Following this insight, the first genetic maps that allowed researchers to trace patterns of inheritance in humans were made using
as genetic markers locations on chromosomes where restriction enzymes slice through the DNA.
Single nucleotide polymorphisms (SNPs, used
as genetic markers in DNA profiling) can produce single amino acid polymorphisms (SAPs) in the amino acids that make up protein.
«Recent scientific advances have enabled us to identify a trove of neurotransmitters and detect relevant neural brain pathways as well
as genetic markers that help explain the biology of the placebo effect,» said Kaptchuk.
«To test the importance of such structural alteration
as a genetic marker, a phase two clinical trial is ongoing at Kagoshima University and other institutions,» adds Ogawa.
The authors will follow up the study with additional worldwide populations to better understand the mutations and these genes
as a genetic marker for disease risk.
Not exact matches
Think of people declining to get tested for the
genetic markers of a hereditary disease, or a smoker whose cigarette packs might
as well have that warning from the Surgeon General printed in invisible ink.
We employ conventional breeding and new tools in genetics and genomics — such
as marker - assisted selection —
as well
as genetic modification.
Individuals were classified
as high risk for Alzheimer's if a DNA test identified the presence of a
genetic marker — having one or both of the apolipoprotein E-epsilon 4 allele (APOE - e4 allele) on chromosome 19 — which increases the risk of developing the disease.
Researchers from several institutions, including, UCLA, Boston University, Stanford University and the Institute for Aging Research at Hebrew SeniorLife, analyzed blood samples from nearly 10,000 people to find that
genetic markers in the gene responsible for keeping telomeres (tips of chromosomes) youthfully longer, did not translate into a younger biologic age
as measured by changes in proteins coating the DNA.
For some strains of bird flu virus, notably the worrisome H5N1 variant, the
genetic changes that could make human - to - human transmission a possibility and spark a pandemic are the
markers of intense interest to those who track flu
as a threat to human health.
Fully sequenced genomes remain rare, so the bulk of the analysis was done by looking at
genetic markers known
as single nucleotide polymorphisms or SNPs.
The study involved participants of European descent exclusively, but co-author Roy Perlis, a researcher at Massachusetts General Hospital, notes it's standard method to focus on one group
as a starting point, since previous research shows
genetic markers can vary by ethnicity.
The lab has also shifted from testing
genetic markers known
as short tandem repeats (STRs), which are standard in paternity testing, to recording single letter variants in the
genetic code known
as single nucleotide polymorphisms, or SNPs, which are rarely used for this purpose.
«Our findings show that a specific
genetic marker (known
as allele * 2 of the HS1, 2 A enhancer region) influences not just disease activity in RA patients, but also response to therapy in the early stages of their disease,» said lead investigator Dr Gabriele Di Sante of the Institute of Rheumatology and Related Sciences, Catholic University of the Sacred Heart, Rome, Italy.
Often such trials include
genetic markers for drugs that target particular pathways, such
as a kinase inhibitor for cancer treatment.
Eggleston's part of the project was aimed at finding
genetic markers that would help biologists zero in on the genes that cause defects in purebred dogs, such
as hip dysplasia and epilepsy.
There are now three
genetic - risk categories, rather than four, and the FLT3 - ITD mutation has been added
as a
marker of risk;
Studies of
genetic markers that are distinctive to ancestral groups show that typical African Americans have 20 percent European blood, although that figure can go
as high
as 80 percent in some people who call themselves black.
A selection of Joe Davis's colorful «prayer flags,» which are printed with the code for the
genetic markers of diseases such
as cancer, Parkinson's and Huntington's.
Over the last 20 years,
genetic research has provided many
markers of susceptibility, just
as Perera and Weinstein predicted.
This work resulted in thousands of
genetic markers for snake specimens collected
as far back
as the early 1900s.
Most simply, once these genes, or bits of DNA tied to the genes (known
as markers), have been identified, molecular breeders can quickly target offspring inheriting the genes for further development, cutting breeding time and improving the crop's «
genetic gain,» the generational improvements made to a crop, like increased height, by human selection.
With the advent of more and more sophisticated ways to measure
genetic variation and relatedness using molecular
markers, such
as allozyme polymorphisms and DNA - based
markers, not only can individuals be tracked
as to their parentage, but changes in allele patterns over time and thus the effects of evolution on populations can be «seen» in the
genetic information.
This is why our system is innovative and powerful,
as we don't have to spend the time to identify and develop a new
genetic or protein
marker for every kind of cancer.»
A series of
genetic markers sprinkled throughout the cells» chromosomes show the same pattern found in parthenogenetic mice
as opposed to cloned mice, according to a report published online today in the journal Cell Stem Cell.
Lately,
as envirogenomics has taken off, scientists have begun to test for
genetic markers in humans who are most heavily exposed to pollutants, an effort that got a huge boost in 2006 when Congress approved the $ 40 million Genes, Environment, and Health Initiative, a program administered by the National Institutes of Health (NIH).
These so - called genome - wide association studies have turned up hundreds of
genetic markers linked to diseases such
as cancer and diabetes.
As with other
genetic studies linking diseases to DNA
markers, her research tends to compare populations who have one variation of a
genetic marker with those who have a different variation — a comparison that has limited application to individuals.
«Health information, in particular, which can encompass a variety of things from sleep patterns to diagnoses to
genetic markers, the data gathered about us can paint a very detailed and personal picture that is essentially impossible to de-identify, making it valuable for a variety of entities such
as data brokers, marketers, law enforcement agencies, and criminals,» says Michelle De Mooy, director of the Privacy & Data Project at the Center for Democracy & Technology.
Hence, understanding the interrelationship between
genetic markers and use of aspirin and NSAIDs, also known
as gene × environment interactions, can help to identify population subgroups defined by
genetic background that may preferentially benefit from chemopreventive use of these agents and offer novel insights into underlying mechanisms of carcinogenesis.
The booklet discusses in detail and in simple language agricultural biotechnology
as it compares with conventional breeding, the agricultural biotechnology tools used in crops such
as tissue culture and micropropagation, molecular breeding and
marker - assisted selection, and
genetic engineering and GM crops.
The ubiquity of these
markers and the fact that these polymorphisms show variation at such a fine scale (i.e., at the individual level) makes them ideal
markers for many applications, such
as population - level
genetic diversity studies and
genetic mapping in plants.
In collaboration with data - sharing networks, namely MalariaGEN and STOP - HCV, they are using genetics
as a tool to investigate the underlying biology of infectious diseases and to identify
genetic markers that correlate with clinical outcomes.
The new method allows for the detection of polymorphisms between individuals, which will be useful for downstream applications such
as marker - assisted selection, linkage and QTL mapping, and
genetic diversity studies.
This effort, which will enhance deCODE's proprietary gene and drug target discovery work and may provide
genetic markers for additional diagnostic development, will leverage Illumina's Sentrix ® HumanHap BeadChips; Infinium ™ assay and LIMS (laboratory information management system);
as well
as analysis and visualization tools from Illumina's BeadStudio software.
Similar to other Unyvero Applications, Unyvero UTI allows the rapid detection of pathogens and
genetic resistance
markers in a broad range of routinely available patient sample types, such
as midstream urine, catheter urine, suprapubic aspiration, and tissue.
Dr Linus Girdland - Flink, who is based at LJMU's School of Natural Sciences and Psychology, and senior author of the study, comments: «Previous studies on the Guanches have relied on single
genetic markers, such
as mitochondrial DNA and Y - chromosomes.
During sabbatical in the laboratory of Chris Tyler - Smith (Wellcome Trust Sanger Center), I genotyped the Y chromosome of HapMap samples with 16 short tandem repeat (STR)
markers as well
as lineage specific
markers to determine whether the Y chromosome
genetic information in this sample was consonant with the purported ancestry of the subjects.
Gene expression Reporter genes, such
as luciferase or GFP, can also be assessed in microplate readers, enabling in vitro and in vivo determination of gene expression for studies using
markers of
genetic alteration.
Cancer cells discharge these mutated proteins — which become
markers for the immune system —
as a result of
genetic mutations, said study co-author Jonathan Serody, MD, UNC Lineberger's associate director for translational research.
Research in Psychological Science noted that women who are ovulating act more flirtatious with men who have more
markers of «
genetic fitness,» such
as attractiveness and masculinity.
While I completely agree with delaying grains
as long
as possible because the digestion is immature early on, research actually shows that people who carry the
genetic markers for celiac (not all carriers will actually develop celiac - there appear to be environmental conditions that contribute to its development) are least likely to develop the disease if gluten is introduced around 6 months of age in small quantities.
«Just because you have
genetic markers for things doesn't mean you necessarily have associated risks
as long
as you are eating real foods.»
Testing for lipoprotein
genetic markers, such
as the apoE genotype, can help evaluate a patient's inherited cardiometabolic risk.
Coagulation
genetic markers, such
as Factor V Leiden and Prothrombin G20210A Mutation, determine whether a patient is at significantly higher risk for blood clotting.
--
Genetic differences in the immune system have been shown to serve as a marker for overall genetic div
Genetic differences in the immune system have been shown to serve
as a
marker for overall
genetic div
genetic diversity.
It is also the most accurate Dog DNA test kit,
as it tests for 50X more
genetic markers than competitors.