Words similar to mhcii
Example sentences for: mhcii
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Two-factor analysis of variance revealed that the magnitude of MHCII induction in LS1034 cells was almost totally determined by concentration of IFNg (F 2;36 = 29.
[ 36 ] ). It has been shown that treatment of cells with phorbol esters leads to accumulation of phosphorylated H3 histones [ 37 ] . Therefore, it seems possible that in LS1034 cells PMA could enhance transcriptional activity of chromatin at promoters of MHCII and/or CIITA genes.
Specifically, the influence of a potent PKC activator, PMA, and clinically tested drug, Bryostatin 1, on the IFNg-induced MHCII expression in several IFNg-resistant tumor cell lines was examined.
PMA did not improve IFNg inducibility of MHCII in MSTO-211H and HepG2 cell lines (data not shown).
Indeed, the CD4+ T cells that directly destroy MHCII-positive tumors were identified [ 5 ] . In the clinic, the expression of MHCII on colorectal carcinomas is correlated with more favourable prognosis [ 6 ] . Adoptive transfer studies show that ex vivo activated CD4+ T cells are able to recognize, and to eliminate, MHCII-positive tumors either by themselves [ 7 ] or in co-operation with CD8+ T cells [ 8 ] . It has been also demonstrated that the increased MHCII expression on tumor cells and macrophages following treatment with IFNg in vivo was associated with enhanced efficacy of adoptive T cell therapy in a mouse model of metastatic sarcoma [ 9 ] .