«As examples, scientists could use Organ - Chips to create a living model of a patient with Parkinson's disease, amyotrophic lateral sclerosis or Crohn's disease, a debilitating inflammatory bowel disorder linked to
several gene mutations.
Scientists have uncovered
several gene mutations that sharply increase the chances of developing autism.
Not exact matches
Now, new research has found
several rare genetic
mutations on the same
gene that definitively connect the two.
There is no single
mutation that causes Alzheimer's, says Wild, but we know of
several gene variations that increase the risk of the disease.
Their preliminary analysis revealed
several mutations known as single nucleotide polymorphisms (SNPs) in the ALR
gene, many of which haven't been identified before.
After
gene mapping we had
several candidate regions to choose but exome sequencing quickly identified the actual
mutation.
At the Sanger Institute meeting,
several groups reported
mutations in a
gene called ARID1B in patients with intellectual disability.
Several mutations were found in
genes coding the machinery that makes mitochondrial proteins, and so would probably hinder mitochondria's ability to make the chemical fuel called ATP, which is used by normal cells.
Over the last 6 million years, those accumulated
mutations have inactivated
several genes.
The second was the existence in laboratory mice of a large
mutation called an inversion that affects
several million nucleotides near the KITLG
gene.
This rare condition can be caused by
mutations in
several genes, one of which is called RPE65.
But over the next five years she isolated one
gene, then another, and another, until more than 50
mutations on
several genes associated with epidermolysis bullosa had been nailed.
Several years ago, researchers found that 80 percent of patients with uveal melanoma had
mutations to GNAQ or GNA11,
genes that activate signals in the mitogen - activated protein kinase (MAPK) pathway.
EB results from
mutations to any of
several genes that encode proteins crucial for anchoring the outer layer of skin, the epidermis, to the tissue below.
For example, the widespread but not universal ability to digest the milk sugar lactose in adulthood (lactose tolerance) has recently been shown to arise from any of
several different
mutations in and near the lactase
gene.
Mutations in autophagy
genes can cause disease, and the autophagic process is involved in
several conditions including cancer and neurological disease.»
The company found
several new disease
genes, including
mutations in one
gene, ABCA7, that double the risk of developing Alzheimer's disease in people of European ancestry.
Several long - lived worms carry
mutations in a
gene involved in a process that appears to use chemical signals to trigger activities inside cells.
Researchers must cross plants with
mutations in different copies of the
gene several times to obtain a generation of plants in which the
gene's function is lost.
The study identified
several other potential colitis
genes, he added, and this particular one's effect on the barrier cells» energy requirements suggests a new category of
mutations with the potential to cause IBD.
In 2006 Pfizer started early human testing on one of these new, targeted drugs called crizotinib (now sold as Xalkori), concentrating on a
mutation of a
gene called MET, implicated in
several cancers, including esophageal and stomach cancer.
If that sounds potentially dangerous, it is: Such
genes are often the culprits behind tumor - causing
mutations and have been implicated in
several neurological diseases.
By focusing on
several of these
mutations and screening through guide RNA variants with different mismatch combinations, they were able to identify specific guide RNAs that stimulated Cas9 activity towards the mutated
gene sequences but left the normal counterpart untouched.
A team of French and American scientists at
several institutes pinpointed
mutations in the retinal guanylate cyclase (RETGC)
gene in eight families in which the disease has struck.
But a comparison of its DNA to that of another human has revealed
several mutations in
genes involved in bone disorders — and confirmed once and for all that this being is definitely from our world.
Several dozen
genes were expressed differently in the superaggressive flies, compared to controls, but flies with
mutations in one
gene called Cyp6a20 were especially combative.
The scientists sifted through the collection looking for mutant flies with walking impairments and soon zeroed in on
several impaired walkers that turned out to have
mutations in the same
gene.
«We developed a network of collaborators in the United Kingdom, in
several other European countries and in Australia to identify 30 other children with
mutations in the same
genes,» said Michaud.
'' [Type 1 diabetes] is clearly is one of these complex genetic disorders,» involving
mutations in
several genes acting in concert to predispose someone to the condition, says Hakon Hakonarson, director of The Children's Hospital of Philadelphia's Center for Applied Genomics and lead author of the new study, published this week in the online edition of Nature.
Genome sequencing of six children with autism has revealed
mutations in a
gene that stops
several essential amino acids being depleted.
In the course of this work, he has pioneered
several new approaches in the fruit fly that have had important implications for mammalian neurobiology, including: the demonstration that the fruit fly has a sleep - like behavior similar to that of mammals, studies of physiological and behavioral consequences of
mutations in a neurotransmitter system affecting one of the brain's principal chemical signals, studies making highly localized genetic alterations in the nervous system to alter behavior, and molecular identification of
genes causing naturally occurring variation in behavior.
Among other findings, SWIF (r) identified
several adaptive
mutations in a set of
genes responsible for energy and fat storage.
Chemical controls are costly and potentially harmful to human and environmental health, so protecting crops like wheat with inherent resistance is the smart alternative, but resistance must be genetically complex, combining
several genes, to withstand new
mutations of the pathogen over time.
Abstract Type 1 ryanodine receptor (RyR1) is preferentially expressed in skeletal muscle, and
mutations in the
gene have been associated with malignant hyperthermia, a pharmacogenetic disease, and with
several congenital myopathies, including central core disease, multiminicore disease, centronuclear myopathy, congenital fibre type disproportion.
Dr. Eng and team create scoring system to facilitate identifying individuals to be referred to PTEN
gene testing Researchers have discovered a method for more precise identification of individuals who should undergo testing for genetic
mutations of the tumor suppressor
gene PTEN, which associates with a variety of conditions including
several types of cancers.
By comparing the whole genome sequence of the lab - cultured resistant strain with a sibling strain that had not been exposed to the drug, they were able to identify
several mutations of interest in a number of
genes.
The researchers found that patients from MODY3 families had one of
several different
mutations in the
gene for hepatocyte nuclear factor 1 alpha (HNF -1-alpha) but healthy subjects had normal copies of the
gene.
They identified
several causal variations in CCDC115
gene: a homozygous missense
mutation, c. 92T > C (p.Leu31Ser) and this one was also compound heterozygous in combination with a heterozygous deletion of CCDC115 (in one family) and a homozygous missense
mutation, c. 31G > T (p.Asp11Tyr).
JEB arises from
mutations in any of
several genes that encode proteins that hold the epidermis to the dermis.
The presence of
several mutations in four important
genes for the brain's synapses can be associated to Obsessive Compulsive Disorder in humans.
The 2013 study, which was led by David Altshuler (now chief scientific officer at Vertex Pharmaceuticals), had shown that one
gene in that region, SLC16A11, harbored
several suspicious
mutations, and more detailed genetic mapping of the region strengthened the case for focusing on it.
In this study, using whole - genome DNA sequencing (WGS) and confirmation by Sanger sequencing, we observed
mutations identified in
several genes not previously known to be recurrently altered in SMZL.
the evolution of domesticated animals has been underway for so long that we can now see the evolution of
gene variants, that is,
genes in which
several successive
mutations gradually changed the function of the
gene.
The research team also found
mutations in the PIK3CA
gene, which has been well studied in cancer and is already the focus of
several clinical trials of targeted therapies.
Nonsense
mutation in the LGR4
gene is associated with
several human diseases and other traits.
Two
Gene Mutations Linked to Most Common Brain Cancers Scientists at the Johns Hopkins Kimmel Cancer Center and Duke University Medical Center linked mutations in two genes, IDH1 and IDH2, to nearly three - quarters of several of the most common types of brain cancers known as
Mutations Linked to Most Common Brain Cancers Scientists at the Johns Hopkins Kimmel Cancer Center and Duke University Medical Center linked
mutations in two genes, IDH1 and IDH2, to nearly three - quarters of several of the most common types of brain cancers known as
mutations in two
genes, IDH1 and IDH2, to nearly three - quarters of
several of the most common types of brain cancers known as gliomas.
INHERITED AND ACQUIRED Aplastic anaemia can be caused by inherited
mutations in about thirty
genes (known to date),
several of which are involved in preserving the telomeres.
In recent years, reports from
several clinical sequencing laboratories have suggested that a large fraction of successfully diagnosed cases have a de novo
mutation (present in the patient, absent from both parents) in a dominant disease
gene.
Soon
several other scientists revealed ADCY3 findings associating positive correlations between severe obesity and
mutations in the
gene.
Human
mutations affecting this subgroup of ADAMTS / ADAMTSL proteins phenocopy all or
several aspects of genetic disorders caused by
mutations in the fibrillin - 1
gene itself, suggesting a functional relationship.