Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0043167 (pertussis)
 19,595 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The rabbit ovarian carcinoma model was prepared by injecting VX-2 carcinoma into the ovary and the effects of endogenous Tumor Necrosis Factor (TNF)-induction therapy in combination with chemotherapy were studied. In this model, carcinoma metastasizes easily to the abdominal cavity, lung and liver, and resists treatment. Endogenous TNF was induced by a series of injections of OK-432 0.3KE and OK-432 3KE at 3 hour intervals (OK-OK group), or 1 x 10(10) cells of Bordetella pertussis vaccine (BPV group). Another group were sequential given a series of injections of CDDP (2mg/kg) intraperitoneally and OK-432 intravenously (an OK-OK and CDDP group). Higher activity of endogenous TNF was induced by BPV in comparison with OK-OK plus OK-OK and CDDP. Obvious hemorrhagic necrosis was observed in the implanted ovary in the BPV group. Compared with the control group, pulmonary metastasis was seen in the OK-OK and OK-OK plus CDDP groups (partial remission). These results show that the endogenous TNF induction therapy could be expected to be an effective antitumor therapy for advanced ovarian cancer.
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PMID:[The effect of endogenous tumor necrosis factor (TNF)-induction therapy in the model of VX-2 ovarian carcinoma in the rabbit]. 227 1

Pertussis toxin (PT) has been previously shown to affect a wide variety of immune responses and to cause lymphocyte proliferation. In this study, we examined the effect of PT on cultured human peripheral blood lymphocytes and monocytes with the regard to the capability of this toxin to stimulate the production and release of various cytokines. PT was found to induce the production and release of Tumor Necrosis Factor alfa (TNF-alfa) and Interleukin-6 (IL-6) by both human lymphocytes and monocytes and IL-1 (IL-1B) beta by human monocytes in culture. Most activities of PT in vitro were achieved at the optimal concentration range of 1-0.01 microgram/ml, which is responsible for the adjuvant effect of PT in vivo. Since TNF-alfa, IL-1 beta and IL-6 are potent mediators of inflammation, the production and release of these cytokines by PT and Bordetella pertussis itself may play an important role in antibacterial defenses against such infection.
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PMID:Production and release of tumor necrosis factor alfa, interleukin-1B and interleukin-6 by human mononuclear leukocytes stimulated with pertussis toxin. 826 21

Inflammatory cytokines have been described to play a critical role in the orientation and amplification of the IgA immune response. In this study, we show that the intranasal administration of a Bordetella pertussis strain expressing the protective antigen glutathione-S-transferase of Schistosoma mansoni (Sm28GST) induced an inflammatory response in the lungs of mice, characterized by the production of inflammatory cytokines, such as Tumor Necrosis Factor alpha, Interleukin-6 and Transforming-Growth Factor beta. The production and the secretion of these cytokines in lung tissues were early and transient. Their presence was observed only during the first week after administration despite the persistence of the bacteria for 1 month. Two weeks after inoculation, Interleukin-10 secretion was detected in the lungs, which could explain the decrease in the production of inflammatory cytokines. These inflammation-regulating cytokines, induced in the lungs by the presence of the bacterial vector, could be part of the process generating the local immune response, in particular the anti-Sm28GST IgA response.
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PMID:Local transient induction of inflammatory cytokines after intranasal administration of recombinant Bordetella pertussis. 916 Mar