Association of TRPV5, CASR, and CALCR genetic variants with kidney stone disease susceptibility in Egyptians through main effects and gene-gene interactions

Ali, Fahmy T, Abd El-Azeem, Eman M, Hekal, Hala F A, El-Gizawy, Mayada M, Sayed, Mohamed S, Mandoh, AbdAllah Y, Soliman, Ahmed,

Abstract


Kidney stone disease (KSD) represents an urgent medical problem because of increasing its prevalence. Several functional polymorphisms in genes involved in the renal handling of calcium were associated with KSD pathogenesis. Among those, the rs4236480 of transient receptor potential vanilloid member 5 (TRPV5) gene, the rs1801725 of calcium-sensing receptor (CASR) gene, and the rs1801197 of calcitonin receptor (CALCR) gene appear to be of great importance. Due to the scarce data on the Egyptians, this study aimed to evaluate the association of these candidate genetic variants with the risk of developing KSD in an Egyptian population. To do so, the biochemical parameters were measured along with the genotyping of the three polymorphisms using allelic discrimination assay in 134 KSD patients and 86 age and sex-matched healthy subjects. The results showed that the genotypic distributions and allelic frequencies of the studied variants were significantly different between cases and controls. The three polymorphisms increased the risk of KSD significantly under all the tested genetic models (OR ranges from 2.152 to 5.994), except for the recessive model of the CALCR rs1801197 polymorphism after Bonferroni correction. The gene-gene interaction analyzed by multifactor dimensionality reduction selected the three-locus combination as the best model associated with the susceptibility to KSD with OR 9.706. Further, synergistic interactions were identified between TRPV5 rs4236480 and CALCR rs1801197 variants and CASR rs1801725 and CALCR rs1801197 variants. In conclusion, the TRPV5 rs4236480, CASR rs1801725, and CALCR rs1801197 polymorphisms showed a significant association with the risk of KSD in the Egyptian population. Furthermore, their complex interactions might have an impact on the genetic susceptibility to develop KSD.


Other data

Title Association of TRPV5, CASR, and CALCR genetic variants with kidney stone disease susceptibility in Egyptians through main effects and gene-gene interactions
Authors Ali, Fahmy T ; Abd El-Azeem, Eman M; Hekal, Hala F A; El-Gizawy, Mayada M; Sayed, Mohamed S; Mandoh, AbdAllah Y; Soliman, Ahmed 
Keywords Calcitonin receptor (CALCR);Calcium-sensing receptor (CASR);Kidney stone disease (KSD);Single nucleotide polymorphism (SNP);Transient receptor potential vanilloid member 5 (TRPV5)
Issue Date 11-Sep-2022
Journal Urolithiasis 
ISSN 2194-7236
DOI 10.1007/s00240-022-01360-z
PubMed ID 36088585

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