Abstract:
:Although the production of interleukin (IL) 2 and interferon (IFN) gamma by peripheral blood lymphocytes in patients with Hodgkin lymphoma (HL) is well documented, the synthesis of IL4 has not been investigated before. The present study examines the production of IL4 by 2-day phytohaemaglutinin (PHA)-stimulated peripheral blood (PB) cells in HL and correlates the cytokine levels with the proportion of the different T-cell sub-populations. We observed a significant increase in the mean level of production of IL4 in patients with HL when compared with normal controls. The increased amount of IL4 in patients with HL correlated significantly with the proportion of the CD3(+)CD8(+) cells but not with CD3(+)CD4(+). The intensity of cytoplasmic IL4 (expressed as relative median fluorescence (RMF)) was significantly higher in the CD3(+)CD8(+) cells of the patients with HL compared with the CD3(+)CD4(+) sub-population, or with the normal CD3(+)CD8(+) cells and correlated with the levels of IL4 release in culture supernatants. In conclusion, there is increased production of IL4 by PHA-activated PB lymphocytes in HL. The CD3(+)CD8(+) T-cell population appears to be responsible for this increased synthesis.
journal_name
Leuk Resjournal_title
Leukemia researchauthors
Mainou-Fowler T,Proctor SJ,Taylor PRdoi
10.1016/s0145-2126(03)00216-9keywords:
subject
Has Abstractpub_date
2004-02-01 00:00:00pages
159-66issue
2eissn
0145-2126issn
1873-5835pii
S0145212603002169journal_volume
28pub_type
杂志文章abstract::Although clinical experience and in vitro data provide evidence of an anti-leukemic activity of T cells, there are few examples of recognition of leukemic cells by tumor-specific T cells in vitro. Tumor antigens encoded by the MAGE genes are useful tools to study this recognition. We tested the sensitivity to recognit...
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journal_title:Leukemia research
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journal_title:Leukemia research
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