Specific genes affect the risk of leprosy, says Amos, which may drown out the subtler effects of relatedness.
Not exact matches
The study, which is published in the journal Molecular Psychiatry, describes a possible mechanism for how the
gene variant produces clinical symptoms by
affecting levels of
specific proteins in the brain.
This led Pembrey to suspect that
genes on the sex -
specific X and Y chromosomes were being
affected by epigenetic signals.
We have identified hundreds of genetic variations associated with autoimmune diseases that appear to
affect the activity of
genes in
specific regions of the genome, pointing to biological pathways that may be involved in disease and which, ultimately, may be treatable with medication.»
As Saaïd Safieddine, CNRS Director of Research at the Institut Pasteur and co-senior author of the study with Prof. Christine Petit (head of the Genetics & physiology hearing unit at the Institut Pasteur), explains, «we have just shown that it is possible to partially correct a
specific form of hereditary hearing loss accompanied by balance problems using local
gene therapy performed after the embryogenesis of the ear, which is primarily
affected by the mutation responsible for the disorder.
What's different about Church's machine is that it can target the
genes that
affect a particular characteristic and alter them in
specific ways.
New evidence from animal studies supported by the National Institute of Mental Health suggests that a
specific gene may
affect learned fearfulness.
«U1 dysfunction might produce changes in RNA processing
affecting many
genes or
specific changes
affecting a few key
genes that are important in Alzheimer's,» Lah says.
The findings highlight
specific sets of
genes and the brain cells they
affect as being involved in regulating anxiety.
Functional analyses indicate that MFSD12 encodes a lysosomal protein that
affects melanogenesis in zebrafish and mice, and that mutations in melanocyte -
specific regulatory regions near DDB1 / TMEM138 correlate with expression of ultraviolet response
genes under selection in Eurasians.
His
specific mutation subtly
affects the slicing of the
gene and doesn't
affect the amino acid sequence that synthesizes the ZAP70 protein.
«Because many broadly expressed
genes that play key roles in essential cellular functions are under the control of cell -
specific enhancers, the ability to
affect enhancer function by knocking down eRNAs could potentially provide a new strategy for altering
gene expression in vivo in a cell -
specific manner,» said Glass, noting that in his research, anti-sense oligonucleotides were developed in conjunction with Isis Pharmaceuticals, which suppressed enhancer activity and reduced expression in nearby
genes.
Future studies, she says, may be able to shed light on
specific genes that
affect academic achievement, which could help diagnose or treat learning disabilities.
A team including researchers from Rensselaer Polytechnic Institute have discovered that a
specific gene may play a major role in the development of a life - threatening birth defect called congenital diaphragmatic hernia, or CDH, which
affects approximately one out of every 3,000 live births.
It's no longer a matter of how
genes affect the body but of how
genes affect specific parts of the body.
During development, chromosomes are subject to chemical changes that don't
affect the nucleotide sequence but can turn
genes on or off; the best known example is methylation, in which a methyl group is attached to
specific DNA regions.
Since proper functioning of the fat body is essential for the development of the female reproductive system after a blood meal, identifying which miRNAs are important to fat body functions, and what
specific genes they target, can help design ways to manipulate the levels of microRNA or their targets,
affect their interactions, disrupt mosquito reproduction, and thus prevent the spread of diseases the mosquitoes transmit.
Also, unlike chemical manipulators that diffuse throughout a cell, light can be applied to
specific genes without
affecting other parts of the cell.
Their goal is a database that will help them examine how
specific gene variants
affect health.
When they screened the KE family to see if some carried a defect in this
gene, all
affected members turned out to share a
specific mutation that apparently rendered FOXP2 inactive, the group reports in the 4 October issue of Nature.
Ishii and his team chose to focus on two histone variants named TH2A and TH2B, known to be
specific to the testes where they bind tightly to DNA and
affect gene expression.
«But
genes tied to autism tend to
affect specific functions, such as the connections between brain regions that are essential to many human -
specific behaviors, like speech and language.»
«Mutations in epilepsy tend to
affect specific areas of the
gene, whereas mutations associated with intellectual disability are more often distributed throughout the entire
gene.
«Originally, we wanted to establish a disease model for FOP that might help us understand how
specific gene mutations
affect bone formation,» said first author Yohei Hayashi, PhD, a former postdoctoral scholar in Yamanaka's laboratory.
Now I am trying to understand the
specific mechanism by which these
genes affect CD1d dependent antigen presentation.
These mice are also primed for RNA interference from birth, so when the time comes — be it after the onset of the disease, or prior to — the team can turn off a
specific gene to see how the loss of its function
affects diabetes or the risk of diabetes.
«Originally, we wanted to establish a disease model for FOP that might help us understand how
specific gene mutations
affect bone formation,» said first author Yohei Hayashi, PhD, a former postdoctoral scholar with Yamanaka's laboratory.
But rather than changes in doublesex itself, these studies revealed changes in downstream targets of dsx, via changes to
specific DNA sequences to which DSX protein binds in the cis - regulatory regions of the bric - a-brac and desatF
genes and
affecting sex differences in abdominal pigmentation and pheromone production.
The activated AHR / NuRD complex altered the expression of differentiation -
specific genes that control the first two developmental decisions without
affecting the pluripotency program.
June 4, 2015 New tool brings standards to epigenetic studies One of the most widely used tools in epigenetics research — the study of how DNA packaging
affects gene expression — is chromatin immunoprecipitation (ChIP), a technique that allows researchers to examine interactions between
specific proteins and genomic regions.
This
affected stage -
specific gene expression, downregulation of the entire chromosome 31, and upregulation of
gene arrays on chromosomes 5 and 8.
However,
gene variations, the presence of strain -
specific genes, and the occurrence of plasmids in strain GP59 could
affect the expression pattern of these common
genes.
By
affecting the rate of cell differentiation and
gene expression, thyroid hormones regulate the growth and migration of neurons, including synaptic development and myelin formation in
specific brain regions.
The focus of the conference was connecting how epigenetics (cellular and physiological phenotypic trait variations that are caused by external or environmental factors that switch
genes on and off and
affect how cells read
genes instead of being caused by changes in the DNA sequence — in other words nutrition and lifestyle choices) impact whether or not an individual actually develops a
specific health issue even though they have a SNP mutation.
They do not kill cancerous or viral cells, but regulate the action of
specific genes that control the production of cellular proteins that
affect cell growth.
Multiple studies have found parallels in brain structure and even identified
specific gene analogues when comparing
affected humans and canines.
Yes, epigenetics, which literally means «upon genetics,» can
affect the way
genes are expressed, not always in a parent -
specific manner.
Not enough is known yet about the prevalence of the
specific gene in the
affected breeds to be able to breed out the condition, but it's a start.
Understanding what happened to the
genes of the dog as it evolved, and the genetic differences between the breeds, will provide information that may enable intervention in some of the breed -
specific health problems that continue to
affect the welfare of many dogs.
This ensures that if a potential breeding dog is a carrier of a
specific disease - carrying
gene that safety measures are put in place to prevent producing puppies
affected by it.
Lower activity of a
specific gene may
affect a person's social behavior, including the ability to form healthy relationships, researchers say.