• Kusuma Lingaiah, Dinesh M Sosalagere, Savitha R Mysore, B Krishnamurthy, Doddaiah Narayanappa, and Ramachandra B Nallur.
• Department of Studies in Zoology, University of Mysore, Mysore, India.
• Indian J Med Res. 2011 Nov 1; 134 (5): 621626621-6.

Background & ObjectivesCardiac malformations in the young constitute a major portion of clinically significant birth defects. Congenital heart disease (CHD) is a common congenital cardiac birth defect, affecting nearly 1 per cent of all live births. Patent ductus arteriosus (PDA) is clinically significant foetal circulation anomaly, second most common form of CHD which constitutes approximately 10 per cent of total CHDs. The study aimed to screen for TFAP2B mutations in CHD patients of Mysore.MethodsWith informed consent, 100 clinically diagnosed CHD patients and 50 healthy controls in Mysore, south India, were recruited for the analysis of screening of mutations. MassARRAY analysis of 5 prominent mutations of TFAP2B was performed.ResultsThe analysis did not show any of the five mutations of TFAP2B screened by massARRAY in patients and controls, indicating that these mutations were not involved in the manifestation of CHD in the patients at Mysore, south India.Interpretation & ConclusionsThe findings suggest the lack of involvement of known mutations of TFAP2B with syndromic or nonsyndromic CHDs in Mysore patients.

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