BLOOD RAT CYTOKINES IN EXPERIMENTAL PROSTATITIS AND AFTER THE ACTION OF IMMUNOMODULATORS

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Abstract


Experimental prostatitis in rats was reproduced by administering a 0.05% formaldehyde solution of 0.01 ml on the background of benign prostatic hyperplasia, which was simulated by chronic administration of sulpiride 40 mg/kg for 30 days. From the 26th to the 30th day of the course administration of sulpiride, one of the immunomodulators was injected into the animals: polyoxidonium 0.75 mg/kg, trekrezan 25 mg/kg or metaprot 25 mg/kg. Control rats received saline in an equivalent volume (0.2 ml). The volume of the prostate gland of rats under the influence of sulpiride increased 2.5 times, and after the introduction of formaldehyde into the gland - even more than 3 times. Experimental prostatitis was accompanied by a decrease (by 30-39%) in the concentrations of anti-inflammatory cytokines (IL-4 and IL-10), the immunoregulator IL-2, and IL-12 (p70), the level of interferon-γ has not changed. The pool of pro-inflammatory cytokines increased (IL-1β and IL-17 - by 33% and 75%, respectively, TNFα, IL-6, and MCP-1 chemokine - by more than 2-3 times). Against this background, the concentration of the anti-inflammatory cytokine IL-13 increased by more than 4 times. A course of administration (5 days) of immunomodulators, polyoxidonium, trekrezan or metaprot reduced the volume of the prostate gland by 28-44% and optimized blood levels of IL-1β, IL-17A, IL-13 and chemokine. The level of pro-inflammatory (IL-2, IL-12, INFα) and anti-inflammatory cytokines (IL-4 and IL-10) has become much higher. The limitation of the cytotoxic effect of IL-6, one of the leading inflammatory mediators, is noted. The effectiveness of immunomodulators was as follows: polyoxidonium > trekrezan > metaprot (in descending order of activity). Apparently, the restoration of the immunoregulatory function of anti-inflammatory cytokines IL-4 and IL-10 and the restriction of the production of pro-inflammatory cytokines is one of the sanogenetic mechanisms of the complex adaptive action of the studied drugs.

Full Text

Experimental prostatitis in rats was reproduced by administering a 0.05% formaldehyde solution of 0.01 ml on the background of benign prostatic hyperplasia, which was simulated by chronic administration of sulpiride 40 mg/kg for 30 days. From the 26th to the 30th day of the course administration of sulpiride, one of the immunomodulators was injected into the animals: polyoxidonium 0.75 mg/kg, trekrezan 25 mg/kg or metaprot 25 mg/kg. Control rats received saline in an equivalent volume (0.2 ml). The volume of the prostate gland of rats under the influence of sulpiride increased 2.5 times, and after the introduction of formaldehyde into the gland - even more than 3 times. Experimental prostatitis was accompanied by a decrease (by 30-39%) in the concentrations of anti-inflammatory cytokines (IL-4 and IL-10), the immunoregulator IL-2, and IL-12 (p70), the level of interferon-γ has not changed. The pool of pro-inflammatory cytokines increased (IL-1β and IL-17 - by 33% and 75%, respectively, TNFα, IL-6, and MCP-1 chemokine - by more than 2-3 times). Against this background, the concentration of the anti-inflammatory cytokine IL-13 increased by more than 4 times. A course of administration (5 days) of immunomodulators, polyoxidonium, trekrezan or metaprot reduced the volume of the prostate gland by 28-44% and optimized blood levels of IL-1β, IL-17A, IL-13 and chemokine. The level of pro-inflammatory (IL-2, IL-12, INFα) and anti-inflammatory cytokines (IL-4 and IL-10) has become much higher. The limitation of the cytotoxic effect of IL-6, one of the leading inflammatory mediators, is noted. The effectiveness of immunomodulators was as follows: polyoxidonium > trekrezan > metaprot (in descending order of activity). Apparently, the restoration of the immunoregulatory function of anti-inflammatory cytokines IL-4 and IL-10 and the restriction of the production of pro-inflammatory cytokines is one of the sanogenetic mechanisms of the complex adaptive action of the studied drugs. Keywords: experimental prostatitis; cytokines; polyoxidonium; trekrezan; metaprot.

About the authors

E V Mokrenko

Irkutsk State Medical University, Irkutsk

P D Shabanov

Irkutsk State Medical University, Irkutsk

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Copyright (c) 2019 Mokrenko E.V., Shabanov P.D.

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