Report: Whole
exome sequencing in patients with OI identified, in two patients with a multi-system phenotype, compound heterozygous variants in NBAS (neuroblastoma amplified sequence).
Exome sequencing in the context of developmental disorders is a useful technique, but variants found need to be interpreted in the context of detailed phenotypic information.
9/4: 00 Whole
exome sequencing in 75 high - risk families identifies eight previously unknown prostate cancer susceptibility genes.
Making a definitive diagnosis: successful clinical application of whole
exome sequencing in a child with intractable inflammatory bowel disease.
We performed
exome sequencing in 13 parent - offspring trios and 112 unrelated individuals with nonsyndromic AVSDs and identified five rare missense variants (two of which arose de novo) in the highly conserved gene NR2F2.
Title: The BabySeq Project: Preliminary Findings from a Randomized Trial of
Exome Sequencing in Newborns
9:45 am: Robert Green (Platform presentation)- The BabySeq Project: Preliminary Findings from a Randomized Trial of
Exome Sequencing in Newborns
Srivastava S, Cohen JS, Vernon H, Baranano K, McClellan R, Jamal L, Naidu S. and Fatemi A; Clinical whole
exome sequencing in child neurology practice.
Last year, the American College of Medical Genetics published their recommendations concerning the return of «incidental findings» to patients who undergo whole - genome or
exome sequencing in clinical settings.
Exome sequencing in mostly consanguineous Arab families with neurologic disease provides a high potential molecular diagnosis rate.
Not exact matches
But rather than buying up a genetic research outfit, it decided to build its own
in the form of the Regeneron Genetics Center (RGC), an ambitious four - year old effort to
sequence as many
exomes (the protein - encoding part of the genome) as possible, pair them with medical records, and accelerate drug development.
In the study, whole - exome sequencing and a targeted analysis of 90 genes implicated in heart disease were applied to 419 unrelated SIDS case
In the study, whole -
exome sequencing and a targeted analysis of 90 genes implicated
in heart disease were applied to 419 unrelated SIDS case
in heart disease were applied to 419 unrelated SIDS cases.
Using a gene -
sequencing technique known as whole -
exome sequencing that targets only the DNA that encodes proteins, the researchers cataloged virtually every significant DNA variant
in three families
in which the condition is common.
In addition, they also used
exome sequencing and RNAseq —
sequencing directly targeted to the SHIP1 gene — to examine the structure of the SHIP1 gene at both the DNA and the RNA level.
In 2012, exome sequencing confirmed the world's first NGLY1 patient — Bertrand Might, a 7 - year - old boy in Salt Lake Cit
In 2012,
exome sequencing confirmed the world's first NGLY1 patient — Bertrand Might, a 7 - year - old boy
in Salt Lake Cit
in Salt Lake City.
Over the course of a year, a committee led by Green and Leslie Biesecker, chief of the Genetic Disease Research Branch at the National Human Genome Research Institute
in Bethesda, Maryland, has been weighing how to handle «incidental findings» that turn up when a genome or
exome is
sequenced for some other medical reason.
Using a novel combination of technologies, including trio
exome sequencing of patient / parental DNA and genetic studies
in the tiny larvae of zebrafish, the EuroEPINOMICS RES consortium found that mutations
in the gene CHD2 are responsible for a subset of epilepsy patients with symptoms similar to Dravet syndrome — a severe form of childhood epilepsy that is
in many patients resistant to currently available anti-epileptic drugs.
The team integrated three, complementary gene
sequencing approaches to look for mutations
in tumor cells from SS patients: whole - genome
sequencing in six subjects,
sequencing of all protein - coding regions (
exomes)
in 66 subjects, and comparing variation
in the number of copies of all genes across the genome
in 80 subjects.
As part of these ongoing research activities, the DNA of Dravet patients without SCN1A mutations was analyzed by trio
exome sequencing, which searches across the active parts of the genome for de novo mutations that have arisen
in these patients (de novo mutations are DNA copying errors that occur
in the parents» gametes or
in the fertilized egg or embryo, resulting
in the afflicted family member being the first person
in their family to have this genetic condition).
Therefore, we
sequenced the whole
exomes of 98 HCCs from two hospitals
in Taiwan and found that 78 % showed the distinctive mutational signature of AA exposure, accounting for most of the nonsilent mutations
in known cancer driver genes.
Researchers discovered the association between ETV6 and childhood ALL by
sequencing the whole
exome of a family
in which the mother and two of the three children have a history of pediatric ALL.
In a similar case with a 12 - year - old whose
exome was
sequenced without any family data, Phevor built on the analysis of VAAST to identify a gene mutation causing the illness, another autoimmune syndrome.
To answer the question, the group performed «whole
exome sequencing» of family members to, effectively, take snapshots of each protein - producing gene
in the chromosomes of these people predisposed to ALL.
The study used whole -
exome sequencing to characterize genetic alterations that occur at the single nucleotide level for all genes
in 25 cell lines commonly used as models of bladder cancer.
Using a technique known as
exome sequencing, the researchers identified mutations
in PARN and RTEL1
in 12 percent of these families.
Stephen W. Scherer, Ph.D., of the Hospital for Sick Children, Toronto, and colleagues performed chromosomal microarray analysis (CMA) and whole -
exome sequencing (WES)
in a group of 258 unrelated children with ASD to determine the molecular diagnostic yield (the percentage of subjects with a genetic alteration [mutation] that may contribute to the features of autism spectrum disorder) of these tests.
To search for other characteristics of ccRCC tumors that influences immunotherapy response or resistance, the researchers used whole -
exome DNA
sequencing to analyze tumor samples from 35 patients treated
in a clinical trial with the checkpoint blocker nivolumab (Opdivo).
In the first cohort, researchers led by Jeeyun Lee, MD, from Sungkyunkwan University School of Medicine in Seoul, performed whole exome sequencing on samples from paired synchronous primary and metastatic tumor
In the first cohort, researchers led by Jeeyun Lee, MD, from Sungkyunkwan University School of Medicine
in Seoul, performed whole exome sequencing on samples from paired synchronous primary and metastatic tumor
in Seoul, performed whole
exome sequencing on samples from paired synchronous primary and metastatic tumors.
«To date we have over 350 phenotypes enrolled
in our study with over 3,200 patient samples having undergone
exome sequencing.
Through the combination of linkage data and
exome sequencing, they have identified a deletion or loss of a single base
in the gene encoding STAG3, which results
in a prematurely truncated protein without function.
Using whole
exome sequencing (a next generation test to analyze the exons or coding regions of thousands of genes simultaneously) conducted at the Baylor College of Medicine Human Genome Sequencing Center, the researchers identified CLP1 mutations in two unrelated families with the
sequencing (a next generation test to analyze the exons or coding regions of thousands of genes simultaneously) conducted at the Baylor College of Medicine Human Genome
Sequencing Center, the researchers identified CLP1 mutations in two unrelated families with the
Sequencing Center, the researchers identified CLP1 mutations
in two unrelated families with the disorder.
The Yale - led study performed whole
exome sequencing ¬ — a technique for
sequencing all the expressed genes
in a genome ¬ — on TNBC tumors to identify mutations
in specific genes or pathways that may indicate response or resistance to the standard of care, which is anthracycline / taxane (ACT) chemotherapy.
But full
sequencing will soon be just as cheap as
exome sequencing and will catch disease mutations
in noncoding regions as well, Gibbs notes.
Today
in The New England Journal of Medicine, researchers report that using
exome sequencing, they successfully identified the mutations underlying the conditions of 25 % of 250 patients, most children with neurological disorders.
When the team checked the DNA of a larger group of nearly 111,000 people, they found that about one
in 200 carried one of the four APOC3 variants, reported Jacy Crosby of the University of Texas Health Science Center, Houston, who represented a large consortium called the National Heart, Lung, and Blood Institute
Exome Sequencing Project.
On average,
exome sequencing uncovers a pathogenic mutation
in 25 - 30 % of cases.
Much discussion still must be had
in regard to preconception counseling, expanded carrier screening, whole genome and whole
exome sequencing, and the role any of these tests could play
in a decision to continue a pregnancy or perform fetal therapy.
While there remain challenges
in unambiguously determining an individual's genome or
exome sequence [1, 2], our focus here is on the downstream interpretation of that
sequence.
Whole -
exome sequencing of 238 African American subjects identified 6 rare missense variants within the EOAD genes, which were observed
in AD cases but never among controls.
His collaborators, a team of experts
in the genetics of skin disease, found interesting and unexpected variations
in whole
exome sequencing data from patients with eczema.
The freely - available software package, MendelScan, is designed to help researchers score and prioritize candidate variants
in family
exome sequencing studies of Mendelian disease.
In 2014 alone, scientists successfully
sequenced the mitochondrial genome of a hominin that lived more than 400,000 years ago, 1
exomes from the bones of two Neanderthal individuals more than 40,000 years old, 2 and a nearly complete nuclear genome from a 45,000 - year - old modern human fossil, 3 to name but a few.
Whole -
exome sequencing of 2,000 Danish individuals and the role of rare coding variants
in type 2 diabetes Lohmueller, K. E., T. Sparsø, Q. Li, E. Andersson et al. 2013.
In my last post, I wrote about the return of results from next - gen sequencing, specifically a recent paper in AJHG about secondary findings in ~ 6500 ESP exome
In my last post, I wrote about the return of results from next - gen
sequencing, specifically a recent paper
in AJHG about secondary findings in ~ 6500 ESP exome
in AJHG about secondary findings
in ~ 6500 ESP exome
in ~ 6500 ESP
exomes.
My first post
in 2015 was uncannily prescient: it reviewed a study that uncover rare variants associated with myocardial infarction using
exome data from NHLBI's Exome Sequencing Project (
exome data from NHLBI's
Exome Sequencing Project (
Exome Sequencing Project (ESP).
Whole
exome sequencing identifies three novel mutations
in ANTXR1
in families with GAPO syndrome.
The advent of accessible and relatively inexpensive high - throughput
sequencing technology has resulted
in extensive
sequencing of whole human genomes or
exomes in a research setting and seems likely to lead to an explosion of genomic
sequencing in a clinical context.
Conte et al applied linkage mapping and
exome sequencing of a five - generation British family with dominant retinal degeneration and bilateral iris coloboma («holes
in the iris»).
Variation and association to diabetes
in 2000 full mtDNA
sequences mined from an
exome study
in a Danish population Li, S., S. Besenbacher, Y. Li, K. Kristiansen et al. 2014.
Today we'll delve into another paper
in the same issue on the attitudes of genetics professionals on return of incidental findings from whole genome
sequencing (WGS) and
exome sequencing (ES).