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Background: Massive monoclonal or oligoclonal expansion of CD8 + T cells is a notable feature of primary infections of the Epstein-Barr virus (EBV). However, the clinical significance of this expansion is not clear. Results: An increase in the CD8 dim CD3 + lymphocyte subset in patients with active EBV infection was due to caspase-8-dependent apoptosis was found using flow cytometry in this study. The number of these cells was associated with the illness severity. Pan-T-cell antigen and receptor analyses were also compared in patients with active EBV infections and T-cell large granular lymphocytic leukemia to provide additional diagnostic information. Conclusion: The increase in CD8 dim CD3 + cells could be a biomarker of active EBV infection and an exclusion indicator of T-cell large granular lymphocytic leukemia with flow cytometric analysis.

Background/aims: This study aimed to compare the 7d triple therapy with 3d and 5d triple therapies, to observe the effect of eradicating Helicobacter pylori (Hp) on treating duodenal ulcers., Methodology: One hundred and sixteen patients who were confirmed duodenal ulcer active period and Hp positive were enrolled in the study. All the patients were divided into three groups: 3d group (n=39), 5d group (n=37) and 7d control group (n=40). All three groups were provided triple therapy first: rabeprazole, 10mg + furazolidone, 100mg + clarithromycin 250mg, twice a day for three days, five days and seven days, respectively. Then rabeprazole 10mg was provided once a day. Following the treatment, 13C urea breath test was performed to observe the Hp eradication rate. The symptoms of patients such as epigastralgia, burning pain and acidity were evaluated., Results: The Hp eradication rate was: 3d group 76% (28/37), 5d 89% (31/35) and 7d 91% (32/35). There was no significant difference between 5d and 7d group (p>0.05). But the rate of groups 5d and 7d was significantly higher than group 3d (p<0.05). All the three groups showed an improvement in symptoms such as epigastralgia, burning pain and acidity., Conclusions: All three therapy schemes could alleviate symptoms of duodenal ulcer patients efficiently. But as far as eradicating Hp concerned, 5d and 7d therapies were better than 3d.