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SUI Jun, REN Yan-xin, SONG Xin, LI Xiao-jiang, MA Jing, GAO Wei. Detection and Clinical Significance of CD4+CD25+ Regulatory T Cells in Patients with Nasopharyngeal Carcinoma[J]. Cancer Research on Prevention and Treatment, 2009, 36(05): 400-404. DOI: 10.3971/j.issn.1000-8578.2009.05.011
Citation: SUI Jun, REN Yan-xin, SONG Xin, LI Xiao-jiang, MA Jing, GAO Wei. Detection and Clinical Significance of CD4+CD25+ Regulatory T Cells in Patients with Nasopharyngeal Carcinoma[J]. Cancer Research on Prevention and Treatment, 2009, 36(05): 400-404. DOI: 10.3971/j.issn.1000-8578.2009.05.011

Detection and Clinical Significance of CD4+CD25+ Regulatory T Cells in Patients with Nasopharyngeal Carcinoma

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  • Received Date: July 02, 2008
  • Revised Date: October 08, 2008
  • Objective To detect the frequency of CD4+T,CD8+ T,CD4+CD25-T,CD4+CD25+T cells in nasopharyngeal carcinoma (NPC), and to explore the objective clinical index to evaluate the immunity of NPC. Methods Flow Cytometry was to calculate the frequency of CD4+T,CD8+T,CD4+CD25-T,CD4+CD25+T cells in tumor tissue and peripheral blood from forty NPC and ten control. Results The proportion of CD4+T cells and ratio of CD4+/CD8+in NPC are significantly lower than those in control group(P<0.05),but there was no difference in CD8+T cells between two groups(P>0.05),there was also no significant difference in CD4+/CD8+between tumor tissue and peripheral blood in NPC(P>0.05). The ratios of CD4+CD25+T cells in tissue and peripheral blood of NPC was higher than control group, and the ratio in tumor tissue was dramatically higher than in peripheral blood in NPC(P<0.05).There was negative correlation between CD4+CD25+T cells and CD8+,CD4+CD25-T cells in tumor tissue of NPC respectively(r=-0.70,-0.675,P<0.05),but this was not seen in peripheral blood (P>0.05).According to the tumor sizes, patients with NPC were divided into four groups. The ratio of CD4+CD25+T cells in T4 tissue was higher than that in T1,T2,T3 respectively(P<0.05),but there was no difference among T1,T2,T3 groups(P>0.05).There was no correlation between frequency of CD4+CD25+T cells and lymphonode metastasis(P>0.05).The ratio of CD4+CD25+T cells in tumor tissue at stage Ⅲ+Ⅳ was higher than the stage Ⅰ+Ⅱ of NPC(P<0.05),but there was no difference between the two stage in peripheral blood in NP(P>0.05). Conclusion CD4+CD25+T cells was not correlated to the NPC prognosis, but detection of CD4+CD25+T cells in tissue and peripheral blood in NPC joint the ratio of CD4+/CD8+ which was used in the past will all-round evaluate the immunity of NPC, It may provide evidence for clinical therapy.
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