Early results of sarcomeric gene screening from the Egyptian National BA-HCM Program
Author(s)
Type
Journal Article
Abstract
The present study comprised sarcomeric genotyping of the three most commonly involved sarcomeric genes: MYBPC3, MYH7, and TNNT2 in 192 unrelated Egyptian hypertrophic cardiomyopathy (HCM) index patients. Mutations were detected in 40 % of cases. Presence of positive family history was significantly (p = 0.002) associated with a higher genetic positive yield (49/78, 62.8 %). The majority of the detected mutations in the three sarcomeric genes were novel (40/62, 65 %) and mostly private (47/62, 77 %). Single nucleotide substitution was the most frequently detected mutation type (51/62, 82 %). Over three quarters of these substitutions (21/27, 78 %) involved CpG dinucleotide sites and resulted from C > T or G > A transition in the three analyzed genes, highlighting the significance of CpG high mutability within the sarcomeric genes examined. This study could aid in global comparative studies in different ethnic populations and constitutes an important step in the evolution of the integrated clinical, translational, and basic science HCM program.
Date Issued
2012-12-12
Date Acceptance
2012-11-07
Citation
Journal of Cardiovascular Translational Research, 2012, 6 (1), pp.65-80
ISSN
1937-5387
Publisher
Springer Verlag (Germany)
Start Page
65
End Page
80
Journal / Book Title
Journal of Cardiovascular Translational Research
Volume
6
Issue
1
Copyright Statement
© The Author(s) 2012. This article is published with open access at Springer.com
Identifier
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000313657700008&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
Subjects
Science & Technology
Life Sciences & Biomedicine
Cardiac & Cardiovascular Systems
Medicine, Research & Experimental
Cardiovascular System & Cardiology
Research & Experimental Medicine
Sarcomeric genotyping
HCM genetics
Familial hypertrophic cardiomyopathy
Myosin heavy-chain
Cardiac troponin-T
Sudden-death
Mutations
Disease
Spectrum
Cohort
Identification
Adolescent
Adult
Aged
Cardiac Myosins
Cardiomyopathy, Hypertrophic
Carrier Proteins
Child
Child, Preschool
CpG Islands
DNA Mutational Analysis
Egypt
Female
Genetic Predisposition to Disease
Genetic Testing
Humans
Male
Middle Aged
Mutation
Myosin Heavy Chains
Phenotype
Prognosis
Sarcomeres
Young Adult
Publication Status
Published