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Full-Text Articles in Medicine and Health Sciences

There Is Relief For Constipated Patients Taking Opioids., Ahmad Mohammadieh, James Choi, Md, Chelsea Gonzalez, Do, Diyanah Elyaman, Md May 2016

There Is Relief For Constipated Patients Taking Opioids., Ahmad Mohammadieh, James Choi, Md, Chelsea Gonzalez, Do, Diyanah Elyaman, Md

Clinical Research in Practice: The Journal of Team Hippocrates

A critical appraisal and clinical application of Tack J, Lappalainen J, Diva U, Tummala R, Sostek M. Efficacy and safety of naloxegol in patients with opioid-induced constipation and laxative-inadequate response. United European Gastroenterol J. 2015 Oct;3(5):471-80. doi: 10.1177/2050640615604543


Na/K-Atpase Amplification Of Oxidant Stress; A Universal But Unrecognized Clinical Target?, Zijian Xie, Phd, Joseph I. Shapiro, Md Apr 2016

Na/K-Atpase Amplification Of Oxidant Stress; A Universal But Unrecognized Clinical Target?, Zijian Xie, Phd, Joseph I. Shapiro, Md

Marshall Journal of Medicine

The Na/K-ATPase has a signaling function which appears to be separate from its ion pumping function. This signaling function refers to the transduction of conformational changes in the Na/K-ATPase alpha1 subunit into activating Src’s tyrosine kinase activity, triggering a cascade which generates reactive oxygen species (ROS), modulates other signaling pathways, and causes many physiological and pathophysiological effects. We have recently observed that ROS themselves as well as cardiotonic steroids can actually initiate the signal by directly inducing conformational changes in alpha1. It therefore appears that the Na/K-ATPase signal cascade can serve as a feed forward amplification for ROS with circulating …