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Acta Medica Iranica، جلد ۳۸، شماره ۳، صفحات ۱۶۸-۱۷۳
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عنوان انگلیسی Live logarithmic phase Promastigotes of Leishmania major induced high level of INF-γ but lower level of IL-10 in whole blood culture of healthy individuals
چکیده انگلیسی مقاله Stage-specifci developmental forms of Lesihmania major promastigotes were grown in vitro. Procyclic and metacyclic promastigotes were cultured and separated by peanut agglutinin. The axenic amastigote form were prepared by culturing the promastigotes in acidic medium at 35C.These three forms of parasites were used as antigens to study cytokine production in whole blood culture of healthy individuals (no= 13) and early IFN-γ and LI-10 production were determined by specific sandwich ELISA. The results showed that logarithmic promastigotes were more potent to induce IFN-γ production than metacyclic and axenic amastlgotes parasites. In contrast, LI-10 production was significantly higher in supernatants of cells stimulated by the two infective forms. In addition, the adjuvant effect of BCG on cytokine production induced by these three types of promastigotes was studied. BCG showed augmenting effect on cytokine production, however three were still differences between logarithmic and the two other forms since logarithmic parasites still induced higher amount of IFN-γ and lower amount of LI-10 These results demonstrated that logarithmic promastigotes of L. major are more potent to induce T helper 1 response which might have implication in vaccine preparation.
کلیدواژه‌های انگلیسی مقاله Human, Logarithmic, Metacyclic, Axenic amastigotes
نویسندگان مقاله آمیناکریمی نیا | kariminia a


کیهانی a | keyhani a


asslanian s | asslanian s


علیمحمدیان mh | alimohammadian mh


نشانی اینترنتی http://acta.tums.ac.ir/index.php/acta/article/view/2306
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