To illustrate how it works in practice, Koenig offers the example of a professional hockey player whose profile shows that he has
gene variants found in people who respond rapidly to lactic - acid threshold training.
The amount of variation within any human population, however, almost overwhelms those average differences: Just about
any gene variant found among the Lapps or the Malays will eventually be found in Nigerians as well.
Mice bred to carry
a gene variant found in a third of ALS patients have a faster disease progression and die sooner than mice with the standard genetic model of the disease, according to Penn State College of Medicine researchers.
The gene variant for white colour in pigs differs from
the gene variant found in wild boar, with at least five different mutations, four of which are duplications of DNA sequences.
Not exact matches
The company will now be able to sell health risk reports on three
variants found on the BRCA1 and BRCA2
genes, which are linked with a higher risk of breast, ovarian, and prostate cancer.
Collaboration based on new
findings from the Regeneron Genetics Center ® showing
variant in HSD17B13
gene is associated with reduced risk of chronic liver diseases
Mostly they are optimists, excited by the latest
findings: the newly isolated
gene variant that may help explain schizophrenia, the new telescopic images that reveal the violent births of distant....
For those who have MTHFR
gene variants, supplemental folic acid has not been
found to reduce the risk of miscarriage.
Health matters: A recent study
found that women with good nutrition are more likely to have babies born with a cancer - suppressing
gene variant
From the sequence data, they
found gene variants indicating that the man had dark skin and eyes.
In this genome - wide association study, researchers
found gene variants mapping to five loci associated with intrinsic epigenetic age acceleration (IEAA) and
gene variants in three loci associated with extrinsic epigenetic age acceleration.
A large - scale genetic study published in The Lancet in 2012
found no relationship between
gene variants that increased HDL and the likelihood of heart attack (though this research did not evaluate the SCARB1
variants).
As well as understanding the implications of
finding this new
variant of the botulism
gene cluster in a non-clostridial species of gut bacterium, the team are interested in exploring how it might help in developing new treatments for diseases.
Joshua Akey of the University of Washington recently explored the average age of our species's
gene variants,
finding that most are very young.
Their landmark
findings will open the door to identify
gene variants controlling skin microbiota and to define their link to various diseases such as skin inflammatory disorders.
His team
found a
variant near the
gene associated with earlier breast development in girls and, in boys, earlier voice - breaking.
All four teams focused their hunts on
gene variations
found in at least 10 per cent of the population, while Stefánsson thinks that rarer
variants may play a more significant role in menarche.
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.
When the researchers scanned the volunteers»
genes, they
found that two
variants of the
gene AVPR1A correlated strongly with musical ability (PLoS One, DOI: 10.1371 / journal.pone.0005534).
«For 20 years we've been looking for the
gene and mutation behind my family's neuropathy, but we never
found the
variant,» he says.
«Machine learning
finds tumor
gene variants and sensitivity to drugs in The Cancer Genome Atlas.»
Among the DNA
variants known to cause Alzheimer's or increase risk of the disease, none are
found in the tau
gene.
A hitherto - unknown
variant of the
gene which makes rogue prions, the proteins that spread the disease, was
found in 51 survivors and their descendants.
The researchers
found, for example, that extraversion was associated with
variants in the
gene WSCD2 and near
gene PCDH15; neuroticism was associated with
variants on chromosome 8p23.1 and
gene L3MBTL2.
We used the LD signal strength as a guide to
find our way to the true risk
gene — the particular
variant that actually caused the increased risk for lupus.»
Lupski was comparing
genes in people with and without the disease in the hope of
finding a
gene variant unique to the condition.
The
gene variant linked to graying is
found only in people with European ancestry, and it has previously been associated with light hair colors.
It comes out in support of a ruling in March by a lower court that the patents, owned by biotech firm Myriad Genetics, should be revoked because they cover
gene variants identical to ones that can be
found naturally in women.
We did not
find any evidence for a so - called «positive selection» but instead
found that many
gene variants linked to schizophrenia reside in regions of the genome in which natural selection is not very effective in the first place.
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.
«Our
finding from statistical analyses of all
genes in the genome that SMCHD1 was the only plausible site of causal
variants for arhinia — lack of a nose — was frankly shocking, since prior to our study no patients had ever been reported with both conditions.»
The researchers studied DNA
variants in the
gene encoding the enzyme sucrase - isomaltase (SI), due to the observation that SI mutations are often
found in hereditary forms of sucrose intolerance, whose main characteristics diarrhea, abdominal pain and bloating are also common in IBS.
The team also examined data from a prior genetic study of children with asthma and
found that a
variant of the dectin - 1
gene — which reduces production of the receptor — is strongly linked to increased asthma risk.
Last week, Nature reported that Pier Valerio Reinotti, an appeal court judge in Trieste, Italy, cut Bayout's sentence by a year after
finding out he has
gene variants linked to aggression.
A
variant form of the
gene was first noted in humans in a Hawaiian study of long - lived men of Japanese ancestry and has since been
found in long - lived Germans, Italians, Ashkenazi Jews, and Chinese.
These discoveries build upon previous
findings about
genes linked to Alzheimer's, such as the APOE - 4
gene, which is a powerful marker for late - onset Alzheimer's disease; about 40 percent of those diagnosed have this DNA
variant.
Using genetic data from more than 36,000 people with a variety of autoimmune diseases, researchers
found that one genetic
variant in the
gene that codes for the TYK2 protein...
Using genetic data from more than 36,000 people with a variety of autoimmune diseases, researchers
found that one genetic
variant in the TYK2
gene protects against a wide range of...
However, the team
found no association between the
gene variant and diabetes, even though the two conditions normally go hand in hand.
McRae and colleagues
found that the genetic
variants associated all lie in or near
genes that encode so - called odorant or olfactory receptors.
However, when specifically asked about a variety of possible incidental
findings, only 57 % wanted to know if they were
found to have a
gene variant that would cause an unpreventable and serious illness, and only 47 % wanted to know about a
gene variant of uncertain significance.
They
found that people with the
gene variant had the highest risk of side effects when they were given a statin called simvastatin, but this risk was much lower when they took pravastatin.
«
Gene variant explains racial disparities in adverse reactions to urate - lowering drug:
Findings support screening for risk - associated
variant in Asian, black patients with gout.»
A team at Virginia Commonwealth University in Richmond recently
found that three genetic polymorphisms —
variants in the «spelling» of a certain
gene — are connected to nicotine addiction.
Although the
gene sequences were not identical to the Mikovits - Ruscetti XMRV
gene sequence reported in Science, they were so close Lo believed he had
found genetic
variants of a single MLV - like virus species that likely included XMRV.
But some of the babies did not show this normal decrease in vagal tone during distressing periods; the researchers
found that these infants who lacked an effective response at ages three and six months shared a particular
variant of the DRD2
gene, which regulates receptors for the neurotransmitter dopamine.
Professor Peter Kraft at Harvard TH Chan School of Public Health, USA, says: «Given the size of these studies, we expected that we would
find a lot of new breast cancer risk
variants, but the studies tells us a lot more about which
genes are involved, revealing many previously unsuspected
genes and genetic mechanisms underlying breast carcinogenesis.
In humans,
variants of the IL - 15R - alpha
gene have been
found in world - class endurance competitors, suggesting a target for
gene therapies aimed at boosting the ability to exercise longer.
He said: «Over the past several thousands of years, the deficiency
gene seems to have been positively selected, and is mainly
found in north Europe, as have
gene variants for larger height and size generally.
When population geneticist Andrea Manica and graduate student Marcos Gallego Llorente at the University of Cambridge in the United Kingdom analyzed the sequence, they
found that the Mota man had brown eyes and dark skin, as well as three
gene variants associated with adaptation to high altitudes; some peaks in the highlands reach 4500 meters, as high as the Matterhorn.