Other gene variants associated with the function of T - cells, an immune system workhorse, would later come to light.
Because you have her whole genome, and not just a test for a single gene, you can potentially look for a vast number of
other gene variants that raise the risk of other diseases of adulthood, such as the BRCA1 gene for breast cancer.
So are several
other gene variants.
Genetic factors can contribute to the degree of longevity in at least two important ways: An individual may inherit certain genetic variations that predispose him or her to disease that decreases longevity;
other gene variants may confer disease resistance, thereby increasing it.
Other gene variants — like mutations in FTO or the gene for leptin, an energy - balancing hormone — had been linked to overeating or fat cell type.
Not exact matches
These
genes are implicated in highly penetrant genetic disorders for which surgical or
other interventions aimed at preventing or significantly reducing morbidity and mortality are available to pathogenic
variant carriers.5 Identification of a pathogenic
variant in one of these
genes could be diagnostic of a medical condition with potential implications for an individual's medical management.
Every
gene in (almost) every cell of the body is present in two
variants — so called alleles: one is deriving from the mother, the
other one from the father.
The handful of cases that still occur are most likely to affect non-Jews, families carrying mutations
other than the distinctly Ashkenazi
variants of the Tay - Sachs
gene.
An apparently new
Variant of human serum albumin, albumin Naskapi, has been found in high frequency in the Naskapi Indians of Quebec and, in lower frequency, in
other North American Indians.The family and population data of the albumin are consistent with its inheritance as a simple autosomal trait Controlled by a
gene designated Al Naskapi.
We show that Neandertals shared more genetic
variants with present - day humans in Eurasia than with present - day humans in sub-Saharan Africa, suggesting that
gene flow from Neandertals into the ancestors of non-Africans occurred before the divergence of Eurasian groups from each
other.
Luckily, along came Armstead and his colleagues, who were working to precisely locate the sequence of a
gene called staygreen (sgr) in the meadow grass Festuca pratensis, some
variants of which remain green in drought and
other unfavorable conditions because they are unable to break down a green pigment.
The small breed
variant probably represses IGF1 and
other genes that cause larger breeds to grow, she says, adding that smaller dogs have less IGF1 in their blood.
The IGF1 protein is crucial for the growth of mammals, including mice and humans, so Ostrander's group and
other collaborators began collecting DNA from additional breeds to see if they also shared the same
gene variant.
On the
other hand,
gene variants that confer a benefit to males are more likely to accumulate on the X chromosome than on a nonsex chromosome because they will always be expressed on a male's single X chromosome.
«In the current study, we analyzed dozens of
variants of those
genes and
other genes frequently associated with obesity risk and saw that, while total fat intake was related to higher BMI, people who were genetically predisposed to obesity and ate the most saturated fat had the highest BMIs.»
Gusella explains that the presence of two modifying
variants on chromosome 15 — one associated with symptoms appearing an average of six years early, the
other associated with an average one - and - a-half-year delay — implies that there may be two actual modifying
variants that both influence one modifier
gene but in opposite directions.
Alzheimer's - Of the three
variants of the ApoE
gene, ApoE4 carries the highest risk for late - onset Alzheimer's (
other genes are associated with early - onset Alzheimer's).
Here's a
gene that's central to how nerve cells communicate with each
other, so it's curious to us to see a grossly different protein
variant.
In all, the study included the data of more than 23,000 people to show that approximately 12 percent of a person's variation in delay discounting can be attributed to genetics — not a single
gene, but numerous genetic
variants that also influence several
other psychiatric and behavioral traits.
Gene variants have been linked to elevated risks for disorders from Alzheimer's disease to breast cancer, and they may help explain why, for example, some smokers develop lung cancer whereas many
others don't.
By 12 months of age, infants with this
gene variant whose needs were consistently attended to responded to stress just as effectively as did the babies with
other versions of the
gene.
The CREBRF
variant appears to be rare in
other populations, but studying how the
gene works may help researchers better understand obesity.
(The
other four EBV proteins had no interaction with the
variant genes.)
In this research, the group looked at two
variants of miR - 21, a microRNA «oncomiR» known to target tumor suppressor
genes and which is highly expressed in a number of cancers as well as
other proliferative diseases such as psoriasis.
The study, which has identified more than 200 rare
variants inherited by children, determines that
genes YWHAZ and DRP2, among
others, are new candidates in the research on autism genetic basis.
What we need to do now is to see if
other circadian
gene variants in association with different stress factors cause the same effect.
Fifty - four per cent were single
gene mutations, and the
other 13 per cent were polygenic DNA
variants, meaning they were a combination of multiple bad
genes inherited together.
Instead,
gene variants will need to be introduced by hybridization with
other diverse strains of S. cerevisiae, says Borneman, such as those found in natural fermentations of African palm wine and
other environmental isolates.
Results from the analysis confirmed previous findings of some copy number
variants already associated with autism, but they also found a host of
other genes (SHANK2, SYNGAP1, DLGAP2 and the X chromosome — linked DDX53 - PTCHD1 locus) in which mutations seem to be linked to autism.
The company is looking to incorporate
other genes, too, such as a
gene variant that makes fruits change colour more dramatically as they ripen.
Mice prefer the smell of
other mice with different
variants of MHC
genes to their own and tend to confirm this preference by mating with mice possessing dissimilar MHC
genes.
A follow - up study of 96
other patients with Alzheimer's disease confirmed that this HLA
variant is associated with earlier onset of Alzheimer's, although Payami cautions that another
gene very close to HLA - A2, and not HLA - A2 itself, could be at fault.
But he adds that
genes are «team players,» and that SNVs that are benign in isolation could cause disease when accompanied by
other detrimental
variants.
Some of the letter
variants were inside a
gene, while
others were near key
genes.
Researchers have identified a
gene variant which explains why some patients with Parkinson's Disease respond well to drug treatment and
other do not.
Those differences led to lower levels of the IFITM3 protein in ndividuals with two copies of the high - risk
gene variant compared to
other patients, researchers said.
Thomas and his colleagues began this study by searching for
other possible IFITM3
variants that correlated with
gene expression, levels of the IFITM3 proteins and were common in flu patients in the U.S..
The
genes have many different working
variants, but one
variant of each
gene is much more common than all the
others.
Equally interesting is that the
gene variant occurs in 47 percent of the population — in
other words, it is just one contributing factor, and it probably works in concert with
other vulnerability
genes.
Other variants of the hemoglobin
gene also confer some protection against malaria.
If, say, an unexpected adverse event pops up in a human trial, the informaticians can then sift animal, lab, and human data to investigate the possibility that certain
gene variants or
other factors predispose patients to the adverse event.
The team then put either one
variant or the
other variant of the
gene back in and again grew the plants in low - iron conditions.
Seedlings (bottom) and roots (top) of Arabidopsis thaliana plants reveal that one
variant of FRO2
gene (right) is better for growth in low - iron conditions than the
other FRO2
variant (left).
As sequencing improves, people will face the possibility of
other unsavoury
gene variants being spotted unexpectedly as a result of sequencing.
The
other finding was of a
variant near
genes for several so - called semaphorins, proteins that guide developing nerve cells as they grow toward their final targets.
One of their findings was a
variant in a
gene called Ret that had not been previously associated with the disease, although
other variations in Ret had been fingered as culprits.
«GECCO aims to continue to discover additional colorectal cancer - related
variants by investigating how genetic
variants are modified by
other environmental and lifestyle risk factors, including biomarkers as well as how they influence patient treatment response and survival,» Peters said, emphasizing how much further research is required to uncover the specific mechanisms by which
genes modulate the intake of certain foods on colorectal cancer risk.
Additional studies showed that
other CYP
gene variants are linked to the rapid metabolism of clopidogrel and that patients with those
variants had a higher risk of bleeding.
Other characteristic patterns of
variants included
genes involved in immune system activity and the fat content of breast milk.
Researchers have found a
variant gene in schizophrenics that appears to be implicated in defective working memory and
other cognitive problems that characterize the disease.