Words similar to suppressive
Example sentences for: suppressive
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IFN-γ appears to have two separate functions, disease promoting as well as disease limiting [ 40 ] . Neutralization of IFN-γ with antibodies early in the course of disease exerts a suppressive effect, whereas anti-IFN-γ treatment late in disease enhances arthritis [ 41 ] . Also, disease severity in CIA is enhanced in IFN-γ receptor-deficient mice, and loss of the IFN-γ receptor turns mice normally resistant to CIA into an arthritis-susceptible strain [ 34 35 ] . IFN-γ thus provides a dominant protective effect in CIA.
The suppressive activity of the CD4 +CD25 +regulatory T cells may in part be ascribed to signaling through CTLA-4.
Study-defined criteria for therapy failure of a previously suppressive regimen were met by 4/21 patients in the continuous therapy/single interruption arm (patients S37, S47, S52, and S59) in association with self-reported nonadherence to therapy and detection of resistance mutations in phase I, as listed in Table 2. One patient in the repeated interruptions arm (1/21; patient S56) failed therapy after 20 wk following the third TI by maintaining a viral load between 50 and 999 copies/ml in the presence of previously undetected resistance mutations.
Eventually a point is reached where the direct effects of agitation combined with suppressive side-effects of pharmacologic agents threaten respiratory and hemodynamic stability.
COX-2 is an inducible enzyme upregulated in inflammatory states [ 20 21 ] . Notably, many NSCLC and what have been characterized as "premalignant" lung lesions have been shown to constitutively express the COX-2 enzyme and produce prostaglandin E-2 (PGE-2), the primary product of the COX-2 pathway [ 22 23 24 25 26 ] . Importantly, PGE-2 production by tumor cells has been linked to tumor-induced immunosuppression in NSCLC [ 2 3 4 5 ] . PGE-2 has been shown to directly suppress T cell mediated immunity, the primary effector against tumor cells, at a variety of levels [ 2 3 4 5 6 7 ] . Further, PGE-2 has been shown to induce the IL10 in mononuclear cells [ 4 5 ] . IL10 is a prominent immunosuppressive cytokine that may have a dominant role in preventing innate antitumor responses in the NSCLC environment [ 2 3 4 5 ] , [ 8 9 10 11 12 13 14 15 16 17 18 19 ] . Among myriad suppressive effects on T cells and antigen presenting cells, IL10 is known to inhibit IL12 production [ 14 15 16 17 18 ] . IL12 plays a key role in the initiation and potentiation of cellular immune responses and alteration of the IL12 producing function in circulating mononuclear phagocytes may be a critical factor in suppressed T cell immunity to NSCLC [ 27 28 ] .
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