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Several aspects of Mg2+ homeostasis were investigated in cultured chicken heart cells using the fluorescent Mg2+ indicator, FURAPTRA. The concentration of cytosolic Mg2+ ([Mg2+]i) is 0.48 +/- 0.03 mM (n = 31). To test whether a putative Na/Mg exchange mechanism controls [Mg2+]i below electrochemical equilibrium, we manipulated the Na+ gradient and assessed(More)
The effect of anoxia and substrate removal on cytosolic free calcium (Ca2+i), cell calcium, ATP content, and calcium efflux was determined in cultured monkey kidney cells (LLC-MK2) exposed to 95% N2, 5% CO2 for 60 min. In the control period, the basal Ca2+i level was 70.8 +/- 9.4 nM. During 1 h of anoxia without substrate, ATP content decreased 70%, Ca2+i(More)
To get the faculty perspective, the GSS Subcommittee on Mentoring contacted the following group of exemplary Case Western Reserve University faculty mentors, who volunteered to review and offer suggestions on our draft document. The committee cannot possibly thank you enough for your outstanding service, suggestions, advice, and enthusiasm, all of which(More)
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