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Chicken type II procollagen (ccol2a1) has become as an important oral tolerance protein for effective treatment of rheumatoid arthritis. However, its molecular identity remains unclear. Here, we reported the full-length cDNA and nearly complete genomic DNA encoding ccol2a1. We have determined the structural organization, evolutional characters, developmental expression and chromosomal mapping of the...
Recently, an interesting question has emerged in the evolutionary interpretation of sequence substitution data as evidence of amino acid selection pressure. Specifically, the Ka/Ks metric was designed to measure selection pressure on amino acid substitutions, assuming that the synonymous substitution rate Ks reflects the neutral nucleotide substitution rate. However, there is increasing evidence for...
Dystrophin mutations occurring at the 5′ end of the gene frequently behave as exceptions to the “frame rule,” their clinical severity being variable and often not related to the perturbation of the translation reading frame. The molecular mechanisms underlying the phenotypic variability of 5′ dystrophin mutations have not been fully clarified. We have characterized the genomic breakpoints within introns...
The glutathione S-transferase Mu class (GSTM) genes encode phase II metabolism enzymes that are involved in the detoxification of various carcinogens and drugs. Some genetic polymorphisms in GSTM genes are related to disease phenotypes and drug-metabolism differences in the population. Polymorphisms that alter gene-splicing patterns are functionally very important because they often lead to the insertion...
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