Thirty two novel nsSNPs May effect on HEXA protein Leading to Tay-Sachs disease (TSD) Using a Computational Approach

Background Genetic polymorphisms in the HEXA gene are associated with a neurodegenerative disorder called Tay-Sachs disease (TSD) (GM2 gangliosidosis type 1). This study aimed to predict the possible pathogenic SNPs of this gene and their impact on the protein using different bioinformatics tools.Methods SNPs retrieved from the NCBI database were analyzed using several bioinformatics tools. The different algorithms collectively predicted the effect of single nucleotide substitution on both structure and function of the hexosaminidase A protein.Results Fifty nine mutations were found to be highly damaging to the structure and function of the HEXA gene protein.Conclusion According to this study, thirty two novel nsSNP in HEXA are predicted to have possible role in Tay-Saches Disease using different bioinformatics tools. Our findings could help in genetic study and diagnosis of Tay-Saches Disease.