High circulating levels of biologically inactive IL-6/SIL-6 receptor complexes in systemic juvenile idiopathic arthritis: evidence for serum factors interfering with the binding to gp130

We previously demonstrated that high levels of IL-6/sIL-6R complexes are present in sera of patients with systemic juvenile idiopathic arthritis (s-JIA) and that the amount of IL-6 estimated in the IL-6/sIL-6R complexes is markedly higher than that measured by the B9 assay. Here, we show that two additional bioassays, employing human myeloma XG-1 cells and human hepatoma Hep3B cells, detected serum IL-6 levels similar to those measured by the B9 assay and approximately 10-fold lower than the IL-6 levels estimated to be present in the IL-6/sIL-6R complex. Using an assay for the measurement of the amount of circulating IL-6 complexed with the sIL-6R and available for binding to gp130 (gp130 binding activity), we show that the IL-6/gp130 binding activity is similar to that detected by the bioassays and again significantly lower than that estimated to be present in the IL-6/sIL-6R complex. Addition of recombinant human IL-6 (rhIL-6) to sera of patients or controls results in a markedly lower increase in the gp130 binding activity in patients than in controls. Moreover, sera from s-JIA patients inhibited in a dose dependent manner the gp130 binding activity assay. These results show that sera from patients with s-JIA contain a factor, or factors, that inhibit(s) the binding of the IL-6/sIL-6R complex to gp130. This inhibitory activity does not appear to be due to soluble gp130, C-reactive protein or autoantibodies to IL-6.     

反复呼吸道感染患儿口含干扰素片后T细胞亚群与sIL-2R的变化

目的：了解口含干扰素片治疗儿童反复呼吸道感染（ＲＲＩ）的效果。方法：检测了口含干扰素和常规治疗组ＲＲＩ患儿在治疗前后Ｔ淋巴细胞亚群和血清ｓＩＬ２Ｒ水平,并与正常健康儿童对照。结果：口含干扰素片治疗后患儿ＣＤ３、ＣＤ４、ＣＤ４／ＣＤ８均显著升高,ＣＤ８水平和血清ｓＩＬ２Ｒ水平显著降低,ＣＤ４、ＣＤ８、ｓＩＬ２Ｒ水平与正常对照组相比均无明显差异,经常规治疗的患儿仅ＣＤ４、ＣＤ４／ＣＤ８显著升高,ＣＤ３、ＣＤ８水平和血清ｓＩＬ２Ｒ水平在治疗前后均无显著差异,与正常对照组相比,除ＣＤ４外其余各项指标均差异显著,且口含干扰素片治疗后患儿ＣＤ３、ＣＤ４／ＣＤ８显著高于常规治疗的患儿（Ｐ＜０．００１）,而ＣＤ８、ｓＩＬ２Ｒ水平则显著低于常规治疗组（Ｐ＜０．００１）。结论：口含干扰素片治疗后患儿的细胞免疫状态优于常规治疗的患儿。     

Age‐dependent decreases in serum soluble interleukin‐1 receptor type I (sIL‐1RI) in healthy individuals: a population study of serum sIL‐1RI levels in Japanese subjects

The levels of several soluble cytokine receptors in body fluids of healthy individuals change with age. Clinical application of the measurement of the serum soluble interleukin‐1 receptor type I (sIL‐1RI) level depends critically on the samples used as the controls. At present, there is no information regarding the levels of serum sIL‐1RI in healthy subjects. The purpose of this study is to reveal the age‐related changes that occur in the serum sIL‐1RIlevels of healthy individuals. We determined the serum sIL‐1RI levels of healthy Japanese children using ELISA. The serum sIL‐1RI level of children (0–14 years) was significantly higher than that of adults (more than 15 years) (P=0.0138, n=90). Thus, it is recommended that when the serum sIL‐1RI level of patients is evaluated, it should be compared against age‐matched controls. J. Clin. Lab. Anal. 23:175–178, 2009. © 2009 Wiley‐Liss, Inc.     

腹水膏穴位贴敷对小鼠艾氏腹水癌的疗效影响

观察腹水膏穴位贴敷对小鼠艾氏腹水癌的疗效 ,并从细胞因子角度探讨其治疗机理。采用艾氏腹水癌瘤株用NIH小鼠接种 ,随机分正常空白对照组 (正空组 )、模型对照组 (模对组 )、局部贴敷组 (局贴组 )、穴位贴敷组 (穴贴组 ) 4组进行观察研究。结果 ,与模对组相比 ,腹水膏局贴或穴贴均可显著延长荷瘤小鼠生存期 (P <0 0 5 ,P <0 0 1) ,显著抑制恶性腹水增长速度 (P <0 0 5 ,P <0 0 1) ,穴位贴敷优于局部贴敷 (P <0 0 5 ) ;腹水膏可下调外周血sIL 2R水平 (P <0 0 5 ) ,显著提高外周血TNF杀伤活性 (P <0 0 0 1)。艾氏腹水癌小鼠存在细胞因子网络的调节失衡 ,腹水膏治疗艾氏腹水癌疗效确切 ,其机理可能为下调外周血sIL 2R水平 ,提高外周血TNF杀伤活性 ,促进细胞免疫功能。     

82例老年病毒性肝炎患者血清可溶性白细胞介素Ⅱ受体的研究

目的 为了探讨老年病毒性肝炎患者血清可溶性白细胞介素Ⅱ受体(sIL—2R)的变化及其在诊断、病情演变和预后判断中的意义。方法 采用夹心酶联免疫吸附法测定82例老年病毒性肝炎患者血清sIL-2R的水平。结果 sIL-2R的水平在急性病毒性肝炎(AH)、慢性迁延型肝炎(CPH)、慢性活动型肝炎(CAH)、肝炎后肝硬化(HC)和重型肝炎(SH)中分别为643.5±232.6u/ml、452.8±234.3u/ml、632.5±243.3u/ml、693.5±267.3u/ml和901.4±304.8u/ml。病例组 sIL-2R的水平均明显高于对照组(P<0.01)。肝炎活动期均明显(P<0.05),各型肝炎间无明显差异。结论 老年人各型肝炎患者血清中sIL-2R都明显增高,其水平高低在一定程度上反映了机体免疫功能状态,肝细胞损伤及炎症程度。     

妊高征患者T细胞及体液免疫变化的初探

探讨妊高征患者了Ｔ细胞及体液免疫功能。方法检测３２例不同严重度的妊高征患者淋转率,Ｔ细胞亚群分类,血清免疫球蛋白,补体Ｃ３、Ｃ４、ＣＩＣ、ＣＲＰ、ｓＩＬ－２Ｒ。结果ＰＩＨ患者ＣＲＰ阳性率升高;中重度患者ＣＥ＾＋８明显下降,ＣＤ＾＋４／ＣＤ＾＋升高;     

微波组织凝固联合透热疗法治疗中心型肺癌对相关免疫指标的 …

目的：探讨局部微波联合治疗对机体免疫功能的影响。方法：以２４５０ＭＨｚ,９１５ＭＨｚ微波,将微波组织凝固（ＭＴＣ）与微波透热（ＭＤ）联合治疗中心型支气管肺癌,于治疗前后观察相关免疫指标的变化,并与对照组进行同期比较。结果：治疗组在微波治疗后１周,Ｔ淋巴细胞亚群,淋巴细胞转化率等有明显提高,可溶性白细胞介素２受体则下降,而对照组则无明显变化。结论：ＭＴＣ联合ＭＤ能有效的促进机体的细胞免疫功能。     

老年高血压病患者血清可溶性白介素2受体与临床分期相关性的观察

目的探讨老年高血压病患者血清中可溶性白介素－２受体（ｓＩＬ－２Ｒ）的水平，并比较老年高血压病不同临床分期的ｓＩＬ－２Ｒ变化。方法采用双抗体夹心（ＥＬＩＳＡ）法，对４６例老年高血压病人血清ｓＩＬ－２Ｒ的水平，与３０例正常人（ＮＣ）进行检测对比，并对其老年高血压病患者不同临床分期的ｓＩＬ－２Ｒ的水平进行观察。结果老年高血压病患者ｓＩＬ－２Ｒ水平明显高于对照组（Ｐ＜０．０１）；且随临床分期的增加而增高（Ｐ＜０．０１），有明显的正相关性。结论老年高血压病患者体内存在有免疫功能系乱，导致ｓＩＬ－２Ｒ的增高。ｓＩＬ－２Ｒ可作为临床观察老年高血压病的细胞免疫功能及病情判定的有效指标。     

Decreasing plasma soluble IL‐1 receptor antagonist and increasing monocyte activation early post‐transplant may be involved in pathogenesis of delayed graft function in renal transplant recipients

Sadeghi M, Daniel V, Naujokat C, Schmidt J, Mehrabi A, Zeier M, Opelz G. Decreasing plasma soluble IL‐1 receptor antagonist and increasing monocyte activation early post‐transplant may be involved in pathogenesis of delayed graft function in renal transplant recipients
Clin Transplant 2010: 24: 415–423. © 2009 John Wiley & Sons A/S. Abstract: Delayed graft function (DGF) increases the risk of acute allograft rejection and may affect long‐term graft survival. We compared pre‐transplant, early post‐transplant, and late post‐transplant serum creatinine (Cr) and plasma levels of neopterin, cytokines, and cytokine receptors/antagonists in patients with DGF (n = 39), slow graft function (SGF) (n = 43), or immediate graft function (IGF) (n = 30). Three and eight days post‐transplant, plasma neopterin (p < 0.001; p < 0.001), Soluble Interleukin‐6 (IL‐6) receptor (R) (p = 0.002; p = 0.001), and IL‐10 (p = 0.003; p = 0.001) were higher in DGF than IGF patients. One month post‐transplant, plasma neopterin (p < 0.001) and IL‐10 (p < 0.001) were higher in DGF than IGF patients. Three days post‐transplant, the results indicated reduced sIL‐1 receptor antognist (RA) production in DGF patients (p = 0.001). Simultaneously, plasma sIL‐6R and IL‐10 increased in DGF (p < 0.001; p = 0.003) and SGF (p = 0.007; p = 0.030) patients, indicating increased production of sIL‐6R and IL‐10. Lower sIL‐1 production in DGF than IGF patients early post‐transplant might promote the increased production of monocyte‐derived neopterin, sIL‐6R, and IL‐10. This monocyte/macrophage activation might induce inflammation in the graft and subsequently cause an impairment of graft function. Blocking of monocyte activity after renal transplantation may be considered a potential approach for improving graft outcome.     

肿瘤患者红细胞天然免疫分子CD35和趋化因子受体的变化

采用流式细胞仪测定红细胞CD35 (RBC CD35 ) ,用免疫酶联法测定红细胞趋化因子受体 (ECKR) ,研究肿瘤患者红细胞CD35与趋化因子受体的变化规律。结果显示 ,2 5例肿瘤患者红细胞CD35数量 (41 0 2± 14 86 )、ECKR活性 (46 0 5± 13 33)明显低于 2 9例正常人的相应指标水平 (5 3 39± 39 2 2和 5 3 5 8± 10 2 6 ,P <0 0 5 )。肿瘤患者血清细胞介素 8(sIL 8)含量 (3 37± 2 5 9)高于正常人(2 92± 1 0 7) ,鼻咽癌患者RBC CD35数量 (2 6 0 6± 3 0 0 )明显低于其他肿瘤患者 (38 90～ 5 2 4 7,P <0 0 5 )。提示肿瘤患者红细胞天然免疫分子与sIL 8之间存在一定的相关性 ,红细胞天然免疫分子变化的分析为免疫反应的调控规律及临床提供了有用的信息