GWAS findings improved genomic prediction accuracy of lipid profile traits: Tehran Cardiometabolic Genetic Study

Abstract In recent decades, ongoing GWAS findings discovered novel therapeutic modifications such as whole-genome risk prediction in particular. Here, we proposed a method based on integrating the traditional genomic best linear unbiased prediction (gBLUP) approach with GWAS information to boost gen...

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Main Authors: Mahdi Akbarzadeh, Saeid Rasekhi Dehkordi, Mahmoud Amiri Roudbar, Mehdi Sargolzaei, Kamran Guity, Bahareh Sedaghati-khayat, Parisa Riahi, Fereidoun Azizi, Maryam S. Daneshpour
Format: Article
Language:English
Published: Nature Portfolio 2021-03-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-021-85203-8
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author Mahdi Akbarzadeh
Saeid Rasekhi Dehkordi
Mahmoud Amiri Roudbar
Mehdi Sargolzaei
Kamran Guity
Bahareh Sedaghati-khayat
Parisa Riahi
Fereidoun Azizi
Maryam S. Daneshpour
author_facet Mahdi Akbarzadeh
Saeid Rasekhi Dehkordi
Mahmoud Amiri Roudbar
Mehdi Sargolzaei
Kamran Guity
Bahareh Sedaghati-khayat
Parisa Riahi
Fereidoun Azizi
Maryam S. Daneshpour
author_sort Mahdi Akbarzadeh
collection DOAJ
description Abstract In recent decades, ongoing GWAS findings discovered novel therapeutic modifications such as whole-genome risk prediction in particular. Here, we proposed a method based on integrating the traditional genomic best linear unbiased prediction (gBLUP) approach with GWAS information to boost genetic prediction accuracy and gene-based heritability estimation. This study was conducted in the framework of the Tehran Cardio-metabolic Genetic study (TCGS) containing 14,827 individuals and 649,932 SNP markers. Five SNP subsets were selected based on GWAS results: top 1%, 5%, 10%, 50% significant SNPs, and reported associated SNPs in previous studies. Furthermore, we randomly selected subsets as large as every five subsets. Prediction accuracy has been investigated on lipid profile traits with a tenfold and 10-repeat cross-validation algorithm by the gBLUP method. Our results revealed that genetic prediction based on selected subsets of SNPs obtained from the dataset outperformed the subsets from previously reported SNPs. Selected SNPs’ subsets acquired a more precise prediction than whole SNPs and much higher than randomly selected SNPs. Also, common SNPs with the most captured prediction accuracy in the selected sets caught the highest gene-based heritability. However, it is better to be mindful of the fact that a small number of SNPs obtained from GWAS results could capture a highly notable proportion of variance and prediction accuracy.
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spelling doaj.art-3beb39ab856f44bea8e96c98fd97889a2022-12-21T19:31:08ZengNature PortfolioScientific Reports2045-23222021-03-011111910.1038/s41598-021-85203-8GWAS findings improved genomic prediction accuracy of lipid profile traits: Tehran Cardiometabolic Genetic StudyMahdi Akbarzadeh0Saeid Rasekhi Dehkordi1Mahmoud Amiri Roudbar2Mehdi Sargolzaei3Kamran Guity4Bahareh Sedaghati-khayat5Parisa Riahi6Fereidoun Azizi7Maryam S. Daneshpour8Cellular and Molecular Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical SciencesCellular and Molecular Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical SciencesDepartment of Animal Science, Safiabad-Dezful Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education & Extension Organization (AREEO)Department of Pathobiology, Ontario Veterinary College, University of GuelphCellular and Molecular Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical SciencesCellular and Molecular Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical SciencesCellular and Molecular Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical SciencesEndocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical SciencesCellular and Molecular Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical SciencesAbstract In recent decades, ongoing GWAS findings discovered novel therapeutic modifications such as whole-genome risk prediction in particular. Here, we proposed a method based on integrating the traditional genomic best linear unbiased prediction (gBLUP) approach with GWAS information to boost genetic prediction accuracy and gene-based heritability estimation. This study was conducted in the framework of the Tehran Cardio-metabolic Genetic study (TCGS) containing 14,827 individuals and 649,932 SNP markers. Five SNP subsets were selected based on GWAS results: top 1%, 5%, 10%, 50% significant SNPs, and reported associated SNPs in previous studies. Furthermore, we randomly selected subsets as large as every five subsets. Prediction accuracy has been investigated on lipid profile traits with a tenfold and 10-repeat cross-validation algorithm by the gBLUP method. Our results revealed that genetic prediction based on selected subsets of SNPs obtained from the dataset outperformed the subsets from previously reported SNPs. Selected SNPs’ subsets acquired a more precise prediction than whole SNPs and much higher than randomly selected SNPs. Also, common SNPs with the most captured prediction accuracy in the selected sets caught the highest gene-based heritability. However, it is better to be mindful of the fact that a small number of SNPs obtained from GWAS results could capture a highly notable proportion of variance and prediction accuracy.https://doi.org/10.1038/s41598-021-85203-8
spellingShingle Mahdi Akbarzadeh
Saeid Rasekhi Dehkordi
Mahmoud Amiri Roudbar
Mehdi Sargolzaei
Kamran Guity
Bahareh Sedaghati-khayat
Parisa Riahi
Fereidoun Azizi
Maryam S. Daneshpour
GWAS findings improved genomic prediction accuracy of lipid profile traits: Tehran Cardiometabolic Genetic Study
Scientific Reports
title GWAS findings improved genomic prediction accuracy of lipid profile traits: Tehran Cardiometabolic Genetic Study
title_full GWAS findings improved genomic prediction accuracy of lipid profile traits: Tehran Cardiometabolic Genetic Study
title_fullStr GWAS findings improved genomic prediction accuracy of lipid profile traits: Tehran Cardiometabolic Genetic Study
title_full_unstemmed GWAS findings improved genomic prediction accuracy of lipid profile traits: Tehran Cardiometabolic Genetic Study
title_short GWAS findings improved genomic prediction accuracy of lipid profile traits: Tehran Cardiometabolic Genetic Study
title_sort gwas findings improved genomic prediction accuracy of lipid profile traits tehran cardiometabolic genetic study
url https://doi.org/10.1038/s41598-021-85203-8
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