Zhongguo yi xue ke xue yuan xue bao. Acta Academiae Medicinae Sinicae · 2012
Correlation of T lymphocyte subsets with blood glucose level and the first-phase insulin secretion in patients with type 2 diabetes mellitus.
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Zhang Qiu-ling, Zang Shu-fei
Аннотация
OBJECTIVE: To explore the relationship between the T cell subsets and glucose level and first-phase insulin secretion function in patients with type 2 diabetes mellitus (T2DM).
METHODS: We determined the oral glucose tolerance (OGTT), insulin release test(IRT), body mass index(BMI), glycohemoglobin A1c (HbA1c), T lymphocyte subsets (CD4(+),CD8(+)), and activity of natural kill(NK) cell and ⊿I(30)/⊿G(30) in 78 newly diagnosed T2DM patients, 60 impaired glucose tolerance (IGT) patients, and 60 normal controls.
RESULTS: DM and IGT patients had significantly lower levels of CD4(+), CD4(+)/CD8(+)ratio, activity of NK cell, and ⊿I(30)/⊿G(30) and significantly higher levels of HbA1c and CD8(+)compared with normal controls(all P<0.05). Patients in DM group had significantly lower level of CD4(+),⊿I(30)/⊿G(30) and significantly higher levels of FBG and HbA1c compared with IGT group. There was no significant difference in terms of CD8(+), CD4(+)/CD8(+)ratio, and activity of NK cell between IGT and DM groups, whereas CD4(+) T cells were negatively correlated with FBG and HbA1c and positively with ⊿I(30)/⊿G(30) . Multiple regression stepwise analysis showed that CD4(+) was independently associated with HbA1c and ⊿I(30)/⊿G(30).
CONCLUSION: T2DM patients tends to have disorders in cellular immunity, which is correlated with blood glucose level and the insulin secretion function.
METHODS: We determined the oral glucose tolerance (OGTT), insulin release test(IRT), body mass index(BMI), glycohemoglobin A1c (HbA1c), T lymphocyte subsets (CD4(+),CD8(+)), and activity of natural kill(NK) cell and ⊿I(30)/⊿G(30) in 78 newly diagnosed T2DM patients, 60 impaired glucose tolerance (IGT) patients, and 60 normal controls.
RESULTS: DM and IGT patients had significantly lower levels of CD4(+), CD4(+)/CD8(+)ratio, activity of NK cell, and ⊿I(30)/⊿G(30) and significantly higher levels of HbA1c and CD8(+)compared with normal controls(all P<0.05). Patients in DM group had significantly lower level of CD4(+),⊿I(30)/⊿G(30) and significantly higher levels of FBG and HbA1c compared with IGT group. There was no significant difference in terms of CD8(+), CD4(+)/CD8(+)ratio, and activity of NK cell between IGT and DM groups, whereas CD4(+) T cells were negatively correlated with FBG and HbA1c and positively with ⊿I(30)/⊿G(30) . Multiple regression stepwise analysis showed that CD4(+) was independently associated with HbA1c and ⊿I(30)/⊿G(30).
CONCLUSION: T2DM patients tends to have disorders in cellular immunity, which is correlated with blood glucose level and the insulin secretion function.