Words similar to thp-
Example sentences for: thp-
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THP-1 (generously provided by Dr P Guyre, Dartmouth Medical School), Jurkat (ATCC), and 293 cell lines were cultured in RPMI complete medium (CM), consisting of RPMI 1640 with 10% heat-inactivated fetal bovine serum, 0.1 ml of sodium pyruvate, 2.0 mmol/l of L-glutamine, 25 mmol/l of 1 M HEPES (N-2-hydroxyethylpiperazine-N'-2-ethanesulfonic acid), 0.1 mmol/l of nonessential amino acids, 0.25 μg/ml of amphotericin, 50 μg/ml gentamicin (all from BioWhittaker, Walkersville, MD, USA) and 5 × 10 -5M 2-mercaptoethanol (Sigma, St Louis, MO, USA).
The multiplicity of infection (MOI) was ~500 bacteria per THP-1 cell.
Another reported mechanism of IFNg resistance in tumor cells is associated with down-regulation of IFNg-receptors [ 38 ] . The relevance of this mechanism to MHCII inducibility was recently supported by the evidence that PMA is able to enhance IFNg-dependent MHCII expression in THP-1 human leukemia cells through the up-regulation of IFNg receptors [ 19 ] . In our experiments, however, the incubation of LS1034 cells with PMA and ethanol did not lead to any changes in IFNgR expression as determined by flow cytometry (Figure 4).
In the studies reported here, we used a similar enrichment scheme to identify two additional recombinant M. smegmatis clones, sur2 and sur3, that demonstrated enhanced survival during infections of THP-1 human monocyte-derived macrophages.
It has been previously shown that potentiating effect of phorbol esters on IFNg-dependent MHCII induction in THP-1 monocytic cell line was associated with the increase in synthesis of IFNg receptors [ 19 ] . For that reason, we questioned whether PMA could produce similar changes in LS1034 colon carcinoma cells.
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