5-(N-Methyl-N-isobutyl)amiloride is a potent blocker of the Na2/H+ antiport. 5-(N-Methyl-N-isobutyl)amiloride has been used to study early cellular response to acidosis.
Biochem/physiol Actions
Potent blocker of the Na+/H+ antiport. Possible antitumor agent.
British journal of cancer, 67(2), 297-303 (1993-02-01)
The extracellular pH (pHe) in solid tumours is frequently lower than the pHe in normal tissues. Cells within an acidic environment depend on mechanisms which regulate intracellular pH (pHi) for their survival, including the Na+/H+ antiport which exports protons in
The role of the Na(+)/H(+) exchanger in ischemia, reperfusion, and preconditioning was investigated in isolated perfused rat hearts. Contractile function, [Na(+)](i), and pH(i) were measured; ischemic damage was assessed by the recovery of developed pressure (DP) on reperfusion. After 30
This study investigated the role of the Na(+)-H+ exchanger (NHE) on angiotensin II (Ang II)-induced activation of Na(+)-dependent Mg2+ transport in vascular smooth muscle cells (VSMCs) from Wistar-Kyoto rats (WKY; n=20) and spontaneously hypertensive rats (SHR; n=20). Intracellular free concentrations
We report the initial characterization of [3H]5-(N-methyl-N-isobutyl)amiloride (MIA) binding to the Na+/H+ exchanger (NHE) and expression of its gene in mammalian cerebrovascular, choroidal and neocortical tissues. [3H]MIA bound reversibly to particulate fractions of rat, pig and human cerebral microvessels, choroid
Proceedings of the National Academy of Sciences of the United States of America, 112(10), E1106-E1115 (2015-02-26)
Two decades after the discovery of the first animal microRNA (miRNA), the number of miRNAs in animal genomes remains a vexing question. Here, we report findings from analyzing 1,323 short RNA sequencing samples (RNA-seq) from 13 different human tissue types.
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