scholarly journals Whole-Exome Sequencing and Whole-Genome Sequencing in Critically Ill Neonates Suspected to Have Single-Gene Disorders

2015 ◽  
Vol 6 (2) ◽  
pp. a023168 ◽  
Author(s):  
Laurie D. Smith ◽  
Laurel K. Willig ◽  
Stephen F. Kingsmore
Keyword(s):  
Whole Genome Sequencing ◽  
Exome Sequencing ◽  
Critically Ill ◽  
Whole Exome Sequencing ◽  
Genome Sequencing ◽  
Single Gene ◽  
Whole Genome ◽  
Single Gene Disorders ◽  
Whole Exome ◽  
Critically Ill Neonates

Whole genome sequencing provides better diagnostic yield and future value than whole exome sequencing

2018 ◽  
Vol 209 (5) ◽  
pp. 197-199 ◽  
Author(s):  
John S Mattick ◽  
Marcel Dinger ◽  
Nicole Schonrock ◽  
Mark Cowley
Keyword(s):  
Whole Genome Sequencing ◽  
Exome Sequencing ◽  
Whole Exome Sequencing ◽  
Genome Sequencing ◽  
Diagnostic Yield ◽  
Whole Genome ◽  
Whole Exome ◽  
Future Value

scholarly journals Whole-genome sequencing offers additional but limited clinical utility compared with reanalysis of whole-exome sequencing

2018 ◽  
Vol 20 (11) ◽  
pp. 1328-1333 ◽  
Author(s):  
Ahmed Alfares ◽  
Taghrid Aloraini ◽  
Lamia Al subaie ◽  
Abdulelah Alissa ◽  
Ahmed Al Qudsi ◽  
...  
Keyword(s):  
Whole Genome Sequencing ◽  
Exome Sequencing ◽  
Whole Exome Sequencing ◽  
Genome Sequencing ◽  
Clinical Utility ◽  
Whole Genome ◽  
Whole Exome

The Efficacy of Whole Genome Sequencing and RNA-Seq in the Diagnosis of Whole Exome Sequencing Negative Patients with Complex Neurological Phenotypes

2021 ◽  
Author(s):  
Bianca Blake ◽  
Lauren I. Brady ◽  
Nicholas A. Rouse ◽  
Peter Nagy ◽  
Mark A. Tarnopolsky
Keyword(s):  
Whole Genome Sequencing ◽  
Exome Sequencing ◽  
Whole Exome Sequencing ◽  
Genome Sequencing ◽  
Diagnostic Yield ◽  
Whole Genome ◽  
Rna Seq ◽  
Complete Coverage ◽  
Whole Exome ◽  
Chromosome Microarray

AbstractWhole-genome sequencing (WGS) is being increasingly utilized for the diagnosis of neurological disease by sequencing both the exome and the remaining 98 to 99% of the genetic code. In addition to more complete coverage, WGS can detect structural variants (SVs) and intronic variants (SNVs) that cannot be identified by whole exome sequencing (WES) or chromosome microarray (CMA). Other multi-omics tools, such as RNA sequencing (RNA-Seq), can be used in conjunction with WGS to functionally validate certain variants by detecting changes in gene expression and splicing. The objective of this retrospective study was to measure the diagnostic yield of duo/trio-based WGS and RNA-Seq in a cohort of 22 patients (20 families) with pediatric onset neurological phenotypes and negative or inconclusive WES results in lieu of reanalysis. WGS with RNA-Seq resulted in a definite diagnosis of an additional 25% of cases. Sixty percent of these solved cases arose from the identification of variants that were missed by WES. Variants that could not be unequivocally proven to be causative of the patients' condition were identified in an additional 5% of cases.

scholarly journals Categorized Genetic Analysis in Childhood-Onset Cardiomyopathy

2020 ◽  
Vol 13 (5) ◽  
pp. 504-514
Author(s):  
Zuhair N. Al-Hassnan ◽  
Abdulrahman Almesned ◽  
Sahar Tulbah ◽  
Ali Alakhfash ◽  
Faten Alhadeq ◽  
...  
Keyword(s):  
Whole Genome Sequencing ◽  
Exome Sequencing ◽  
Whole Exome Sequencing ◽  
Genome Sequencing ◽  
Founder Mutation ◽  
Genetic Test ◽  
Whole Genome ◽  
Childhood Onset ◽  
Whole Exome ◽  
The Impact

Background: Childhood-onset cardiomyopathy is a heterogeneous group of conditions the cause of which is largely unknown. The influence of consanguinity on the genetics of cardiomyopathy has not been addressed at a large scale. Methods: To unravel the genetic cause of childhood-onset cardiomyopathy in a consanguineous population, a categorized approach was adopted. Cases with childhood-onset cardiomyopathy were consecutively recruited. Based on the likelihood of founder mutation and on the clinical diagnosis, genetic test was categorized to either (1) targeted genetic test with targeted mutation test, single-gene test, or multigene panel for Noonan syndrome, or (2) untargeted genetic test with whole-exome sequencing or whole-genome sequencing. Several bioinformatics tools were used to filter the variants. Results: Two-hundred five unrelated probands with various forms of cardiomyopathy were evaluated. The median age of presentation was 10 months. In 30.2% (n=62), targeted genetic test had a yield of 82.7% compared with 33.6% for whole-exome sequencing/whole-genome sequencing (n=143) giving an overall yield of 53.7%. Strikingly, 96.4% of the variants were homozygous, 9% of which were found in 4 dominant genes. Homozygous variants were also detected in 7 novel candidates ( ACACB, AASDH, CASZ1, FLII, RHBDF1, RPL3L, ULK1 ). Conclusions: Our work demonstrates the impact of consanguinity on the genetics of childhood-onset cardiomyopathy, the value of adopting a categorized population-sensitive genetic approach, and the opportunity of uncovering novel genes. Our data suggest that if a founder mutation is not suspected, adopting whole-exome sequencing/whole-genome sequencing as a first-line test should be considered.

scholarly journals Identification of genetic variants in a pedigree associated with epilepsy by using whole exome sequencing and whole genome sequencing

2021 ◽  
Vol 20 (2) ◽  
pp. 393
Author(s):  
Qin-Qin Zhang ◽  
Zi-Hua Wang ◽  
Jun-Shi Zhang ◽  
Jun-Nan Guo ◽  
Xu-Hong Lin ◽  
...  
Keyword(s):  
Whole Genome Sequencing ◽  
Exome Sequencing ◽  
Whole Exome Sequencing ◽  
Genome Sequencing ◽  
Genetic Variants ◽  
Whole Genome ◽  
Whole Exome
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