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Resistance to activated protein C (APC) is the most common inherited risk factor for venous thrombosis. Most cases of APC resistance are caused by the point mutation nt 1691 G-A in factor V gene, referred to as factor V Leiden mutation. As initially shown in a Dutch population, this mutation has a carrier rate of 2.9%, the most frequent genetic disposition(More)
We performed a genome-wide association study (GWAS) and a multistage meta-analysis of type 2 diabetes (T2D) in Punjabi Sikhs from India. Our discovery GWAS in 1,616 individuals (842 case subjects) was followed by in silico replication of the top 513 independent single nucleotide polymorphisms (SNPs) (P < 10⁻³) in Punjabi Sikhs (n = 2,819; 801 case(More)
Recently, the transcription factor-7-like 2 (TCF7L2) gene has been identified as the most important type 2 diabetes mellitus (T2DM) susceptibility gene. Common intronic polymorphisms in this gene have been found to be strongly associated with T2DM susceptibility showing marked reproducibility in multiple populations. The purpose of this study was to confirm(More)
PURPOSE To identify the genetic defect in an autosomal dominant congenital cataract family, having 15 members in three generations, affected with bilateral cataract that gave the appearance of "full moon" with Y-sutural opacities. METHODS A detailed family history and clinical data were recorded. A genome-wide scan by two point linkage analysis using(More)
PURPOSE To identify the genetic defect in an autosomal dominant congenital cataract family (ADCC), having 18 individuals in four generations affected with embryonal cataract. METHODS A genome wide scan using the GeneChip Human Mapping 10K Array, version 2 was performed on DNA samples from eight affected and two unaffected members of an ADCC family having(More)
PURPOSE To undertake mutation screening in the connexin 46 (GJA3) gene in seven congenital cataract families of Indian origin. METHODS Seven Indian families with congenital cataract were analyzed by detailed family history and clinical evaluation. Each family had two to five affected members. Mutation screening was carried out in the candidate gene,(More)
Nineteen insertion/deletion and restriction site polymorphisms on autosomal and mitochondrial genomes and mitochondrial DNA hypervariable segment 1 sequences were used to study genetic diversities and affinities among four endogamous groups of Punjab, India. High values of heterozygosity were noted in all four groups, both in the autosomal and mitochondrial(More)
The sequence of centromere separation in spermatogonial chromosomes of untreated and cyclophosphamide-treated Chinese hamsters is described. Centromeres of chromosome 1 and 2 separated much earlier than all other chromosomes, especially 6–8. Cyclophosphamide significantly inhibits the centromere separation in all chromosome groups but does not alter the(More)
Congenital cataract, a clinically and genetically highly heterogeneous eye disorder, is one of the significant causes of visual impairment or blindness in children. It is frequently inherited as an autosomal dominant trait. We investigated a three-generation family of Indian origin with 12 members affected with cerulean cataract. Linkage analysis was(More)