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, 11 (2), 140-3

Sendai Virus Induces Various Cytokines in Human Peripheral Blood Leukocytes: Different Susceptibility of Cytokine Molecules to Low pH

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Sendai Virus Induces Various Cytokines in Human Peripheral Blood Leukocytes: Different Susceptibility of Cytokine Molecules to Low pH

S Zidovec et al. Cytokine.

Abstract

Virus infection of cell cultures induces the synthesis of various cytokines which can either inhibit or stimulate virus replication. The Sendai virus induces large quantities of biologically active interferon (IFN-alphan3) in human peripheral blood leukocytes (hPBL) in vitro, as well as many other cytokines. The supernatants of Sendai virus-infected hPBL contained biologically active IFN-alphan3, significant amounts of immunogenic IFN-gamma, monokines (IL-1alpha, IL-beta, TNF-alpha), lymphokines (IL-6, TNF-beta), growth factor (PDGF-AB) and small concentrations of IL-2 and GM-CSF. The analysis of the influence of the Sendai virus inactivation by lowering pH 2.0 on the cytokine concentrations showed that IL-1alpha, TNF-alpha, TNF-beta and IFN-gamma are susceptible to acid conditions, while IFN-alphan3, IL-1beta, IL-6 and IL-2 concentrations remained unchanged.

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