For example, at least two of the autism -
associated gene changes described in the paper were associated with increased risk for seizures.
Not exact matches
IRRI uses the International Rice Genebank - the most comprehensive collection of rice genetic diversity in the world with around 110,000 different types of rice - as a source of rice
genes associated with traits that help rice cope with climate
change.
A new mouse model of a genetically - linked type of autism reveals more about the role of
genes in the disorder and the underlying brain
changes associated with autism's social and learning problems.
«Identifying which of these candidate
genes actually causes variation in responses to cold snaps will give us the potential to understand whether evolution to climate
change can occur in both wild and domesticated animals, allowing us to better predict which species or breeds will be «winners» and «losers» and to better mitigate the effects of anthropogenic climate
change on a wide range of organisms from beneficial pollinators to invasive pests,» said Theodore Morgan an
associate professor of evolutionary genetics in the Division of Biology at Kansas State University and senior author of the study.
Scans showed remodeled DNA methylation patterns in the low - fat group, which
changed gene expression
associated with fat metabolism and inflammation in the liver; there was less fat accumulation and inflammation in the liver.
The researchers traced the white pattern to just two small
changes in a
gene associated with hair color.
«We believe these master
genes are responsible for traumatic brain injury adversely triggering
changes in many other
genes,» said Xia Yang, a senior author of the study and a UCLA
associate professor of integrative biology and physiology.
Cases
associated with
changes in each of the four
genes were different from each other in terms of symptoms, intelligence level and other disease features.
Although there are several ways to remove RB from the cellular machinery, the group found that complete loss, rather than inactivation, of the RB
gene was
associated with
changes in
gene - networks closely linked to aggressive disease.
In the case of β - ionone, the smell
associated with violets, McRae and colleagues managed to pinpoint the exact mutation (a
change in the DNA sequence) in the odorant receptor
gene OR5A1 that underlies the sensitivity to smell the compound and to perceive it as a floral note — people who are less good at smelling β - ionone also describe the smell differently, as sour or pungent, and are less likely to find it pleasant.
«It appears that
genes whose expression
changes from childhood to adulthood may be disproportionately
associated with an increased risk for diabetes.»
Judith Zelikoff of NYU Langone Medical Center studied pre - and post-natal exposure to mice of commercially available e-cigarette vapors and aerosols with and without nicotine, finding
changes to frontal cortex
gene expression
associated with mental health and activity issues, some of which are
associated with schizophrenia, she said.
Its appearance following starvation and other stresses is
associated with
changes in the expression of over 500
genes, most prominently
genes for the structural RNAs that are components of the ribosome — the enzyme responsible for protein synthesis.
At the core of this cell behavior is how the loss of that single
gene changes activation levels of dozens of other
genes, suppressing
genes associated with metastatic disease and increasing activity of
genes linked to normal tissue.
Changes in this
gene are
associated with a high risk of developing breast and ovarian cancer.
«We found that zinc oxide (ZnO) nanoparticles at doses that are relevant to what you might normally eat in a meal or a day can
change the way that your intestine absorbs nutrients or your intestinal cell
gene and protein expression,» said Gretchen Mahler,
associate professor of bioengineering.
Douglas Thomas,
associate professor of medicinal chemistry and pharmacognosy at UIC, and co-workers discovered that nitric oxide plays an important role in epigenetics — heritable alterations in
gene expression caused by mechanisms other than
changes in DNA sequence.
Interestingly, the Lingula
genes associated with basic metabolism show the slowest evolutionary
change among lophotrochozoans.
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.
Genes with mammoth - specific changes were most strongly linked to fat metabolism (including brown fat regulation), insulin signaling, skin and hair development (including genes associated with lighter hair color), temperature sensation and circadian clock biology — all of which would have been important for adapting to the extreme cold and dramatic seasonal variations in day length in the Ar
Genes with mammoth - specific
changes were most strongly linked to fat metabolism (including brown fat regulation), insulin signaling, skin and hair development (including
genes associated with lighter hair color), temperature sensation and circadian clock biology — all of which would have been important for adapting to the extreme cold and dramatic seasonal variations in day length in the Ar
genes associated with lighter hair color), temperature sensation and circadian clock biology — all of which would have been important for adapting to the extreme cold and dramatic seasonal variations in day length in the Arctic.
Knowing this, Dr. Soliman and colleagues decided to search the DNA of ALTS patients for specific
changes in
genes associated with scarring and wound healing.
Other fast -
changing genes — roughly 100 — are
associated with neurotransmitters, including serotonin (a mood regulator), glutamate (involved in general arousal), and dopamine (which regulates attention).
The team found
changes in the activity of nearly 40
genes in three brain regions known to be
associated with depression and anxiety (Science Signaling, doi.org/b4rz).
A study by the Nova Southeastern University (NSU) Save Our Seas Shark Research Center and Guy Harvey Research Institute (GHRI) and the Cornell University College of Veterinary Medicine just published in the journal BMC Genomics (lead author, postdoctoral
associate Nicholas Marra,) now provides the first evidence that some shark and ray immunity
genes have undergone evolutionary
changes that may be tied to these novel immune system abilities.
They found
changes in 433
genes that were
associated with fatty liver development and progression in the mice exposed to e-cigarettes.
Surprisingly, more than 80 percent of the dependencies with biomarkers were
associated with
changes (up or down) in a
gene's expression.
Mao's study examined mitochondria -
associated gene expression in the mouse eye tissue and found significant
changes in several
genes involved in oxidative stress response.
Furthermore, by comparing the patterns of
change in humans and chimpanzees, it was revealed that HAR -
associated schizophrenia
genes were under stronger evolutionary selective pressure than other schizophrenia
genes.
Grace Kao,
associate ethics professor at Claremont School of Theology, in Claremont, California, mentioned additions she will make to her Introduction to Christian Ethics course, such as discussing epigenetic alterations
associated with war trauma for a session on war and peace, the science behind shopping and the ways that poverty can
change your
genes for a segment about economics, and an exploration of whether
genes can predict a person's liberalism and conservatism for a session on religion and politics.
To work out the genetic basis, Duke University postdoctoral
associate Bob Fitak and biology professor Sönke Johnsen and colleagues investigated
changes in
gene expression that take place across the rainbow trout genome when the animal's magnetic sense is disrupted.
Further, by knocking out certain
genes associated with memory, the researchers could
change a fly's sleep requirements.
In the current study, the researchers used infradian cyclic locomotor activity in the mutant mice as a proxy for mood -
associated changes, and examined their molecular basis in the brain by conducting prediction analyses of the
gene expression data.
Once the bacterial cell signaling protein cagA reaches the host cytosol, it is capable of altering subsequent generations of progenitor cells, leading to the development of cancer through
changes in mitotic activity, apoptosis, cellular assembly, and signaling.26 Although it should be noted that while the presence of the cagA protein doubles the risk of gastric cancer, cagA - negative strands also increase the risk of distal gastric cancer.27 Additional H pylori virulence factors include babA2, which encodes bacterial adhesion with gastric epithelial cells, and vacuolating cytotoxin A, which is encoded by the
gene vacA.28, 29 H pylori strains carrying some combination of the babA2, cagA, and vacA
genes were
associated with the highest risk of developing intestinal metaplasia.
However, hypoxia -
associated genes, Flt - 1 and EPOR, showed no significant
changes in the current study.
There are lots of things, including exercise, that influence the activity of our
genes and a big part of what we're trying to figure out is which
gene changes are
associated with promoting health.
In a study of 45 female monkeys, researchers observed that
changes in social status affected
genes that
associated with stress and inflammation.
These included
genes associated primarily with the vascular
changes resulting from oxygen deprivation; namely (a) VEGF and its receptors Flk - 1 and Flt - 1 [17,56]; and (b) erythropoietin (EPO) and its receptor (EPOR)[16].
• CpG methylation status quantification PyroMark ID provides highly reproducible quantification of methylation frequencies in individual consecutive CpG sites, enabling accurate measurement of even small
changes in methylation levels that are
associated with deregulation of
gene expression and tumorigenesis.
We use extensive genomic and
gene - expression profiling techniques to identify molecules and molecular pathways that mediate the dynamic
changes observed in vitro, and which are
associated with different clinical outcomes in melanoma patients.
While there are noticeable
changes in
gene expression
associated with PMI, we nonetheless found that the characteristic transcriptional signature of tissues remains largely intact through the PMI intervals considered here.
«The IL - 28B first came to the attention of virologists when it was shown that polymorphisms, small genetic
changes, in this
gene were
associated with different hepatitis C virus treatment outcomes.
These proteins, called transcription factors, work by
changing which
genes are expressed in the cell, turning off
genes associated with skin cells and turning on
genes associated with stem cells.
Our data suggest that
changes in the expression of
genes associated with drug resistance and cancer cell «stemness», induced by treatment with MIA - 602, lead to a significant reduction in the efflux capacity of drug resistant cells.
Biologists often view cancer primarily as a genetic program gone wrong, with mutations and epigenetic
changes producing cells that don't behave the way they should:
Genes associated with cell division and growth may be turned up, and genes for programmed cell death may be turned
Genes associated with cell division and growth may be turned up, and
genes for programmed cell death may be turned
genes for programmed cell death may be turned down.
The plates contained
genes associated with proliferation and apoptosis, to confirm our in vitro findings that no
changes occurred, as well as
genes known to identify / enrich for CSC and those involved in CSC signaling.
«We saw hundreds of
changes in
genes in cancer cells that had not been identified before, and for each of these, HHMI research
associate Alberto Bardelli had to perform comparisons with the normal tissues of the same patient, to see if the mutation was specific to the cancer,» he said.
In a study of umbilical cord blood from New York City children, researchers found a
change in a
gene called ACSL3 that is
associated with prenatal exposure to chemical pollutants called polycyclic aromatic hydrocarbons (PAHs), which are byproducts of incomplete combustion from carbon - containing fuels, resulting in high levels in heavy - traffic areas.
The altered microbiota was
associated with
changes in colonic short - chain fatty acid (SCFA) concentrations, colonic - tissue
gene expression (Gsta2 and Ela1), and host physiology (serum metabolite profiles and colonic goblet cell numbers).
«Our study shows the positive effects of exercise, because the epigenetic pattern of
genes that affect fat storage in the body
changes», says Charlotte Ling,
Associate Professor at Lund University Diabetes Center.
In contrast with the
changes in cell signaling, muscle mRNA responses of selected
genes associated with muscle proteolysis and catabolism were largely unchanged between treatments.