结核患者血清TAM受体含量及临床意义研究

Levels and clinical significance of serum TAM receptor in patients with tuberculosis

  • 摘要: 目的 探讨结核患者血清TAM受体含量变化及临床意义,为控制结核感染提供新的方法和依据。方法 选取2015年7月-12月医院住院纳入选择标准的48例结核(TB)患者为结核组及40名常规体检的健康者为对照组,应用ELISA法对其血清AXL、Mer和Gas6的含量进行检测。结果 TB抗体阳性的结核患者AXL、Mer和Gas6水平分别为(43.82 2.13) pg/ml,(453.09 45.92) pg/ml和(120.19 31.51)pg/ml,其中AXL含量明显低于同龄对照组,Mer、Gas6显著高于同龄对照组(P<0.05)。结论 急性感染期AXL的变化与结核的病变程度关系密切,可作为结核分期、活动情况及预后的判断指标之一;由于AXL与Gas6之间的亲和力明显高于Mer与Gas6之间的亲和力,AXL含量变化影响炎症消退的作用会更明显,AXL含量降低提示结核患者的炎症消退作用减弱。

     

    Abstract: OBJECTIVE To investigate level changes and clinical significance of serum TAM receptor in patients with tuberculosis, so as to provide new method and basis for the control of tuberculosis infection. METHODS A total of 48 tuberculosis patients who were admitted to hospital from Jul. 2015 to Dec. 2015 were selected as TB group, and 40 healthy persons who had contemporaneously visited Wuhan No.1 Hospital for routine examination were set as control group. Serum AXL, Mer and Gas6 levels were determined by enzyme linked immunosorbent assay (ELISA). RESULTS The serum AXL, Mer and Gas6 levels of TB group were (43.82 2.13) pg/ml,( 453.09 45.92) pg/ml, and (120.19 31.51)pg/ml, the level of serum AXL was significantly lower than that of control group with the same age, and the levels of Mer and Gas6 were significantly higher than those of control group with the same age (P<0.05). CONCLUSION The change of AXL during infection is closely related to the degree of tuberculosis, which can be used as one of the indicators of tuberculosis staging, activity and prognosis. AXL plays a major role in inflammation resolution because of its high affinity with Gas6, the decrease of AXL level in tuberculosis patients suggests a defective inflammation resolution.

     

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