Abstract

Objective To explore the clinical significance of T lymphocyte subsets and NK cells' detection in peripheral blood of patients with non-Hodgkin' s lymphoma (NHL).Methods 62 newly diagnosed NHL and 30 healthy adults were enrolled for analyzing.T lymphocyte subsets and NK cells were deteced by flow cytometry and compared between different groups according to age,sex and pathology.Multiple linear regression was used to analyze the correlation among the levels of T lymphocyte subsets and NK cells and several clinical factors,such as clinical stage,IPI and B symptoms.Results The proportions of CD3,CD4 and NK cells in peripheral blood of NHL group [(64.13±19.83) ％,(27.10±8.20) ％,(13.51± 10.59) ％] were significantly lower than those of normal control [(65.78±10.69) ％,(31.95±12.74) ％,(18.76± 7.36) ％] (P ＜ 0.05),while the proportions of CD8 and Treg cells in peripheral blood of NHL [(32.15±13.83) ％,(10.44±3.00) ％] were significantly higher than those of normal control [(29.25±12.35) ％,(7.51±4.36) ％] (P ＜ 0.05).In NHL,the proportions of CD3 and NKT cells [(67.06±19.24) ％,(4.91±3.69) ％] in ≤60 years old group were significantly higher than those in ＞ 60 years old group [(59.18±20.33) ％,(4.89±3.05) ％] (P ＜ 0.05).The proportions of Treg cells in T-NHL was significantly higher than that in B-NHL [(8.17±6.41) ％ vs (7.11±2.53) ％] (P ＜ 0.05).The proportions of CD3,CD4,NK and NKT cells in peripheral blood of NHL were significantly correlated with clinical stage (P ＜ 0.05),that of CD8 cells were significantly correlated with IPI (P =0.000),that of Treg cells were significantly correlated with IPI and B symptoms (P ＜ 0.05).Conclusion The cellular immune is suppressed in NHL patients.The proportions of T lymphocyte subsets and NK cells in peripheral blood of patients with NHL are different between different groups according to age,sex and pathology.The correlations among that and clinical factors need to be further explored. Key words: Lymphoma, non-Hodgkin's; T lymphocyte subsets; NK cells

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