Daniel S Suh

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Hyperhomocysteinemia, a risk factor for cardiovascular disease, can be caused by genetic mutations in enzymes of homocysteine metabolism. Homocysteine remethylation to methionine is catalyzed by folate-dependent methionine synthase, or by betaine-homocysteine methyltransferase (BHMT), which utilizes betaine as the methyl donor. Since genetic variants in(More)
BACKGROUND Cystinuria is an inherited disorder of cystine and dibasic amino acid transport in kidney. Subtypes are defined by the urinary cystine excretion patterns of the obligate heterozygous parents: Type I/N (fully recessive or silent); Type II/N (high excretor); Type III/N (moderate excretor). The first gene implicated in cystinuria (SLC3A1) is(More)
Eight hundred second chromosomes were extracted from the Ishigakijima population, one of the southernmost populations of Drosophila melanogaster in Japan. Half of them were extracted in Native cytoplasm (P-type), and half in Foreign cytoplasm (M-type). Various population-genetic parameters, including the frequency of lethal-carrying second chromosomes (Q =(More)
Segregation of sperm abnormality level and H-2 haplotypes was investigated in F2 hybrid males obtained from reciprocal crosses involving two B10.congenic strains carrying H-2 and the Y chromosome of Japanese wild mice: B10.MOL-OHM (H-2wm4, 23.1% of sperm abnormalities) and B10.MOL-OKB (H-2wm8, 11.1% of sperm abnormalities). In both types of crosses mean(More)
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