A polo ball in the right atrium, importance of echocardiographic characteristics of intracardiac myxomas: a case report

Abstract Background Myxomas are the most bempresas.com prevalent type of heart tumors, mainly occurring in the left atrium, with approximately 20% of cases found in the right atrium.Timely diagnosis and appropriate management of myxomas are crucial for favorable outcomes and to minimize complications.Case presentation A 77-year-old Asian male with

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Evolutionary history of the vertebrate Piwi gene family

bempresas.com PIWIs are regulatory proteins that belong to the Argonaute family.Piwis are primarily expressed in gonads and protect the germline against the mobilization and propagation of transposable elements (TEs) through transcriptional gene silencing.Vertebrate genomes encode up to four Piwi genes: Piwil1, Piwil2, Piwil3 and Piwil4, but their

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