Characteristics of the mechanisms of anti-inflammatory action of cryopreserved placenta extract and diclofenac sodium by their threaded administration

  • F. V. Hladkykh Institute for Problems of Cryobiology and Cryomedicine of the National Academy of Sciences of Ukraine
  • M. O. Chyzh State institution "Zaporizhia Medical Academy of Post-Graduate Education Ministry of Health of Ukraine"
Keywords: cryopreserved placenta extract, inflammation, nonsteroidal anti-inflammatory drugs, diclofenac sodium, zymosan

Abstract

Introduction. Inflammation is a complex multicomponent adaptive pathological process based on three enzymatic pathways of arachidonic acid metabolism: cyclooxygenase, lipoxygenase and epoxygenase. Nonsteroidal anti-inflammatory drugs are the most numerous and most widely used group of drugs used in the pharmacocorrection of inflammatory processes of various etiologies.

Purpose of the study. The aim is to characterize the effect of cryopreserved placenta extract on the anti-inflammatory activity of diclofenac sodium with their threaded administration in a model of zymosan-induced inflammation.

Materials and methods. In vivo experimental studies were performed on 28 nonlinear laboratory male rats weighing 200–220 g. Acute exudative inflammation was reproduced by subplantar administration of rat limb 0,1 ml of 2,0% zymosan suspension. The anti-exudative effect was assessed by the magnitude of limb edema, which was assessed using an aqueous plethysmometer.

Results and discussion. The study showed that subplantar administration of 2,0% suspension of zymosan led to a statistically significant (p < 0,05) increase in the volume of the damaged limb after 30 minutes. by 28,1 ± 5,4% relative to baseline and was 2,01 ± 0,06 ml. The most pronounced and almost comparable anti-inflammatory activity was observed against the background of the use of cryopreserved placenta extract and the combined use of diclofenac sodium and cryopreserved placenta extract. Thus, for 60 min the antiinflammatory activity was (p < 0,05) 46,5% and 53,2%, respectively.

Conclusions. It is established that one of the leading mechanisms of anti-inflammatory activity of cryopreserved placenta extract is the inhibition of the lipoxygenase pathway of arachidonic acid metabolism. This was indicated by statistically significant (p < 0,05) suppression of zymosaninduced inflammation in rats by 78,8% and 74,8% by 120 and 180 min, respectively.

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Published
2021-09-20
How to Cite
Hladkykh, F. V., & Chyzh, M. O. (2021). Characteristics of the mechanisms of anti-inflammatory action of cryopreserved placenta extract and diclofenac sodium by their threaded administration. Modern Medical Technology, (3(50), 41-47. https://doi.org/10.34287/MMT.3(50).2021.8
Section
Original research