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Long-term echocardiographic follow-up of untreated 2+ functional tricuspid regurgitation in patients undergoing mitral valve surgery†

OBJECTIVES Concomitant tricuspid valve surgery with mitral valve surgery is recommended for patients with severe functional tricuspid regurgitation (TR). However, the treatment for 2+ TR (mild TR) remains controversial. Here, we evaluated the long-term results of untreated 2+ TR in patients undergoing mitral valve surgery.

Origins and Evolution of MicroRNA Genes in Plant Species

MicroRNAs (miRNAs) are among the most important regulatory elements of gene expression in animals and plants. However, their origin and evolutionary dynamics have not been studied systematically. In this paper, we identified putative miRNA genes in 11 plant species using the bioinformatic technique and examined their evolutionary changes. Our homology search indicated that no...

Evolutionary Changes of the Target Sites of Two MicroRNAs Encoded in the Hox Gene Cluster of Drosophila and Other Insect Species

Sayaka Miura 0 Masafumi Nozawa 0 Masatoshi Nei 0 0 Institute of Molecular Evolutionary Genetics, Department of Biology, Pennsylvania State University MicroRNAs (miRs) are noncoding RNAs that

Origins and Evolution of MicroRNA Genes in Drosophila Species

Masafumi Nozawa 0 Sayaka Miura 0 Masatoshi Nei 0 0 Institute of Molecular Evolutionary Genetics and Department of Biology, Pennsylvania State University, University Park MicroRNAs (miRs) regulate