This study investigated the association of MSX1 gene variants rs3821949 and rs12532 with nonsyndromic cleft lip and/or palate (NSCL/P) in the Pakistani population.
Design
Comparative cross-sectional study.
Setting: Multicenter of CL/P malformation.
Patients/Participants: Unrelated Non-Syndromic cleft Lip/Palate patients and healthy controls were enrolled.
Methods
One hundred (n = 100) subjects with NSCL/P and n = 50 unrelated healthy controls were enrolled in a multicenter comparative cross-sectional study. A tetra amplification refractory mutation system (ARMS) polymerase chain reaction (PCR) was performed to analyze MSXI gene single nucleotide variants (SNVs).
Results
Among 100 NSCL/P subjects, the majority were males (56%; male: female = 1.27: 1). Most of the cases (74%) had cleft lip and palate (CLP) compared to isolated clefts. Genotyping of MSX1 gene variant rs3821949 showed an increased risk for NSCL/P in various genetic models (P < 0.0001), and the A allele exhibited a more than 4-fold increased risk among cases (OR = 4.22: 95% CI = 2.16–8.22; P < 0.0001). Our investigation found no significant difference between the rs12532 variation and NSCL/P.
Conclusion
Our study findings suggest that MSX1 gene variants may increase predisposition to NSCL/P in the Pakistani population. Further studies comprising large samples are required to identify the genetic aetiology of NSCL/P among our people.
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