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ISSN 2522-9028 (Print)
ISSN 2522-9036 (Online)
DOI: https://doi.org/10.15407/fz

Fiziologichnyi Zhurnal

is a scientific journal issued by the

Bogomoletz Institute of Physiology
National Academy of Sciences of Ukraine

Editor-in-chief: V.F. Sagach

The journal was founded in 1955 as
1955 – 1977 "Fiziolohichnyi zhurnal" (ISSN 0015 – 3311)
1978 – 1993 "Fiziologicheskii zhurnal" (ISSN 0201 – 8489)
1994 – 2016 "Fiziolohichnyi zhurnal" (ISSN 0201 – 8489)
2017 – "Fiziolohichnyi zhurnal" (ISSN 2522-9028)

Fiziol. Zh. 2010; 56(6): 39-47


Effect of a new activator of adenosine triphosphate-sensitive potassium channels flocalin on the glucose level in blood

Strutyns'kyĭ RB, Rovenets' RA, Neshcheret OP

    O.O. Bogomoletz Institute of Physiology National Academy of Science of Ukraine, Kyiv, Ukraine
DOI: https://doi.org/10.15407/fz56.06.039

Abstract

In experiments on the anaesthetized dogs we investigated the influence of a new fluorine-containing opener of ATP-sensi-tive potassium channels of sarcolemal and mitochondrial membranes flocalin on the level of glucose in arterial blood at physiological conditions and under ischemia (90 min) and reperfusion (180 min) of myocardium. It was shown that in­travenous introduction of flocalin in doses 0,1 - 1,0 mg/kg did not change the level of glucose in blood. In experiments with ischemia-reperfusion of myocardium, flocalin also did not in­crease the level of glucose during all experiment (5,5 hours) after intragastric (with a help of catheter) introduction of drug form (tablets) at cardiorotective dose of 2,2 mg/kg. However, intravenous introduction of flocalin in the dose of 1,5mg/kg, which 15 times exceeded a cardioprotective dose of 0,1mg/kg increased the glucose level 1,33 fold. It should be noted that this increase was not sustained and the level of glucose restored to the initial level within 1 hour. Identical changes of indexes of cardiohemodynamic and the level of glucose in arterial blood under introduction of identical doses of flocalin at the begin­ning and at the end of experiment (total dose of flocalin reached 4 - 4,5 mg/kg) can testify the absence of cumulative effect of flocalin at these experimental conditions. Thus, strong cardioprotective properties, hypotoxicity and the absence of meaningful changes in a carbohydrate exchange allow to consider a new fluorine-containing opener of KATP channels of flocalin as perspective drug for clinical use.

Keywords: KATP-channels, the level of glucose in arterial blood, floñalin, drug form, ischemia-reperfusion

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