2007
DOI: 10.1007/s10517-007-0253-1
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Role of Th1 and Th2 lymphocytes and cytokines produced by these cells in suppression of immune reactions during subacute poisoning with anticholinesterase toxicants

Abstract: Experiments on Wistar rats showed that subacute poisoning with anticholinesterase toxicants zarin and agent VX (daily subcutaneous injections in 1/7 LD50 for 6 days) led to suppression of cellular and humoral immune reactions and to a decrease in blood concentrations of cytokines (IL-2, IL-4, IFN-gamma) with a reduction of the IFN-gamma/IL-4 and IL-2/IL-4 ratios, which attests to more pronounced decrease in Th1 lymphocyte function in comparison with Th2 cells.

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Cited by 7 publications
(3 citation statements)
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References 7 publications
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“…Th1 lymphocytes produce mainly pro-inflammatory cytokines, like IL-1β and TNF-α, while Th2 lymphocytes produce anti-inflammatory cytokines. Th1cytokines, which promote the immune system rejection, can be harmful for the pregnancy, while Th2 can promote the tolerance to the semi-allogeneic fe-tus, allowing the pregnancy to take place [31,32]. Assessment of cytokines that are representative for Th1/Th2 balance in the endometrial fluid may also be indicative of the immunological tolerance of the blastocyst.…”
Section: Discussionmentioning
confidence: 99%
“…Th1 lymphocytes produce mainly pro-inflammatory cytokines, like IL-1β and TNF-α, while Th2 lymphocytes produce anti-inflammatory cytokines. Th1cytokines, which promote the immune system rejection, can be harmful for the pregnancy, while Th2 can promote the tolerance to the semi-allogeneic fe-tus, allowing the pregnancy to take place [31,32]. Assessment of cytokines that are representative for Th1/Th2 balance in the endometrial fluid may also be indicative of the immunological tolerance of the blastocyst.…”
Section: Discussionmentioning
confidence: 99%
“…Controls were immunized with SE and after 1 day were subcutaneously injected with 0.5 ml isotonic NaCl in a volume equivalent to the volume of cholinergic substances solutions in experimental groups. The immunity parameters were evaluated by common methods of experimental immunotoxicology [2][3][4]6]. The function of Th1 lymphocytes was evaluated by the humoral immune reaction to T-dependent antigen (number of antibody-producing cells (APC), synthesizing IgM to SE, in the spleen) on day 5 after immunization with SE [4,10,11] and by delayed-type hypersensitivity (DTH) reaction.…”
Section: Methodsmentioning
confidence: 99%
“…Wide use of these toxicants can lead to environmental pollution and cause intoxication in humans and animals [3,4]. Accidents can emerge at plants engaged in detoxication of chemical weapons, for example, organophosphorus compounds from the category of military toxins [2,4]. These accidents can result in release of organophosphorus compounds into the environment and intoxication of the stuff members of these plants, as well as of the population of the adjacent territories [5].…”
mentioning
confidence: 99%