Cureus · 2024
Association of rs8670 Polymorphism in the MSX1 Gene With Non-Syndromic Cleft Lip With or Without Cleft Palate in Malay Population.
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Rashid Roslina, Rajion Zainul Ahmad, Zilfalil Bin Alwi, Jaafar Saidi
Аннотация
OBJECTIVE: This study aimed to investigate the association between variants present in the MSX1 gene and the risk of developing non-syndromic cleft lip with or without cleft palate (NSCL±P) among individuals of Malay ethnicity in Malaysia.
MATERIALS AND METHODS: This case-control study involved 89 patients with NSCL±P and 100 healthy control subjects. Polymerase chain reaction (PCR) was performed on both exon 1 and exon 2 of the MSX1 gene using four pairs of primers. The amplification products were then subjected to denaturing high-pressure liquid chromatography for initial screening, and the presence of a heteroduplex peak was validated using direct sequencing analysis to detect the single-nucleotide polymorphism.
RESULTS: Five previously known variations (c.-36G>A, p.Ala30Ala, p.Ala34Gly, p.Gly110Gly, and rs8670: C>T) were detected within the MSX1 gene in both NSCL±P patients and controls.A significant association was found between the rs8670: C>T variant and NSCL±P (p = 0.017; OR: 0.368; 95% CI: 0.152 - 0.893), with this particular single-nucleotide polymorphism present in 20% (20) among controls and 7.9% (7) of the NSCL±P cases.
CONCLUSIONS: Our data showed a lower incidence of the rs8670: C>T polymorphism among NSCL±P cases compared to control in this Malay population. However, since this variant is located in the 3'UTR, it could potentially impact the stability of MSX1 mRNA.
MATERIALS AND METHODS: This case-control study involved 89 patients with NSCL±P and 100 healthy control subjects. Polymerase chain reaction (PCR) was performed on both exon 1 and exon 2 of the MSX1 gene using four pairs of primers. The amplification products were then subjected to denaturing high-pressure liquid chromatography for initial screening, and the presence of a heteroduplex peak was validated using direct sequencing analysis to detect the single-nucleotide polymorphism.
RESULTS: Five previously known variations (c.-36G>A, p.Ala30Ala, p.Ala34Gly, p.Gly110Gly, and rs8670: C>T) were detected within the MSX1 gene in both NSCL±P patients and controls.A significant association was found between the rs8670: C>T variant and NSCL±P (p = 0.017; OR: 0.368; 95% CI: 0.152 - 0.893), with this particular single-nucleotide polymorphism present in 20% (20) among controls and 7.9% (7) of the NSCL±P cases.
CONCLUSIONS: Our data showed a lower incidence of the rs8670: C>T polymorphism among NSCL±P cases compared to control in this Malay population. However, since this variant is located in the 3'UTR, it could potentially impact the stability of MSX1 mRNA.