肝炎后肝硬化患者细胞因子和细胞粘附分子的检测及意义

目的 :探讨肝炎后肝硬化患者外周血清白细胞介素 - 8(IL - 8)和可溶性细胞间粘附分子 - 1(sICAM- 1,CD5 4 )的变化及其临床意义。方法 :采用酶连接免疫吸附方法 (ELISA)和流式细胞仪技术检测 10例正常人和 35例肝炎后肝硬化患者外周血清sICAM - 1和IL - 8水平。结果 :(1)与正常对照组 (6 8 5 3± 8 78)相比 ,肝炎后肝硬化患者血清细胞因子IL - 8水平显著增加 (14 2 36± 19 86 ,P <0 0 5 )。 (2 )与正常对照组 (118 32±13 4 1)相比 ,肝炎后肝硬化患者外周血清细胞粘附分子sICAM - 1水平显著增加 (179 35± 2 9 76 ,P <0 0 5 )。结论 :肝炎后肝硬化患者外周血清IL - 8和sICAM - 1水平增加。提示血清IL - 8和sICAM - 1水平 ,可作为反映肝炎后肝硬化患者肝损害程度的指标之一 ,同时可能在肝硬化的发病机制中起着重要作用     

正常人骨髓、脐血及动员后外周血CD_(34)~ 细胞粘附分子的研究

目的　探讨正常人骨髓、脐血及动员后外周血CD3 4 细胞粘附分子的表达及外周血干细胞动员的可能机制。方法　采用CD3 4 MultiSortKit免疫磁珠分离系统 ,分离纯化出正常人骨髓、脐血及动员后外周血CD3 4 细胞 ,流式细胞术检测其纯度 ,选择与CD3 4 细胞相关的粘附分子CD4 4、CD11a、CD18、CD4 9d、CD54 、CD58及CD62L,进行免疫荧光标记及短期液体培养后再行免疫荧光标记 ,流式细胞术检测。结果　动员后外周血CD3 4 细胞粘附分子表达CD4 4为 (92 .7± 2 .2 ) % [骨髓 (93.1± 2 .3) % ]、CD11a为 (5 6 .3± 6 .0 ) % [骨髓 (6 1.8± 7.8) % ]、CD18为 (6 5 .2± 6 .0 ) % [骨髓 (70 .6± 7.5 ) % ]、CD4 9d为 (39.4±7 2 ) % [骨髓 (6 6 .9± 5 .1) % ]、CD54 为 (2 0 .9± 4.1) % [骨髓 (2 4.1± 3.8) % ]、CD58为 (77.9± 5 .8) % [骨髓(81.9± 5 .6 ) % ]及CD62L为 (4 5 .9± 5 .6 ) % [骨髓 (6 3.9± 4.3) % ],其表达均较骨髓为低 ,尤以CD4 9d和CD62L为著。脐血CD3 4 细胞CD11a为 (5 5 .5± 6 .5 ) %、CD18为 (6 6 .7± 7.5 ) %、CD4 4为 (90 .3± 4.0 ) %、CD4 9d为 (6 3.7± 6 .7) %、CD62L为 (5 0 .8± 5 .9) % ,其表达亦较骨髓为低 ,尤以CD62L为著 ,但脐血CD54 的表达[(2 9.1± 4.9) % ]较骨     

人骨髓基质细胞协同外源性细胞因子对脐血CD34+细胞的体外扩增作用

目的　探讨人骨髓基质细胞 (hBMSC)协同以干细胞因子和FL为主的细胞因子对脐血CD3 4 + 细胞的体外扩增作用。方法　采用免疫磁珠法分选脐血CD3 4 + 细胞 ,以SCF +IL 3+IL 6 +FL +EPO组合高效扩增CD3 4 +细胞[1] ,并结合该细胞因子组合接种到预先照射 (2 0Gy)的hBMSC上 ,d10结束培养 ,收获细胞分别作细胞计数、集落培养和流式细胞术检测CD3 4 + 细胞数。结果　本法获得的脐血CD3 4 + 细胞纯度较高 (92± 0 .0 4 ) % ,在hBMSC组培养的d2 ,造血细胞几乎都粘附到hBMSC上 ,随着培养时间的延长 ,CD3 4 + 细胞比例不断下降。hBMSC组与无hBMSC组相比 ,除细胞总数扩增倍数外 ,CFU GM、BFU E、CD3 4 + 细胞扩增倍数差异有显著性意义 (P <0 .0 5 )。结论　①脐血来源的CD3 4 + 细胞粘附于滋养层上形成造血灶 ,且 10d后造血细胞仍具有体外集落形成能力 ,表明骨髓基质细胞可支持并维系体外造血 ;②hBMSC协同外源性细胞因子可能是扩增造血干 /祖细胞的较理想方案     

正常人骨髓、脐血及动员后外周血CD^＋34细胞粘附分子的研究

目的探讨正常人骨髓、脐血及动员后外周血CD34+细胞粘附分子的表达及外周血干细胞动员的可能机制.方法采用CD34+MultiSortKit免疫磁珠分离系统,分离纯化出正常人骨髓、脐血及动员后外周血CD34+细胞,流式细胞术检测其纯度,选择与CD34+细胞相关的粘附分子CD44、CD11a、CD18、CD49d、CD54、CD58及CD62L,进行免疫荧光标记及短期液体培养后再行免疫荧光标记,流式细胞术检测.结果动员后外周血CD34+细胞粘附分子表达CD44为(92.7±2.2)%[骨髓(93.1±2.3)%]、CD11a为(56.3±6.0)%[骨髓(61.8±7.8)%]、CD18为(65.2±6.0)%[骨髓(70.6±7.5)%]、CD49d为(39.4±7.2)%[骨髓(66.9±5.1)%]、CD54为(20.9±4.1)%[骨髓(24.1±3.8)%]、CD58为(77.9±5.8)%[骨髓(81.9±5.6)%]及CD62L为(45.9±5.6)%[骨髓(63.9±4.3)%],其表达均较骨髓为低,尤以CD49d和CD62L为著.脐血CD34+细胞CD11a为(55.5±6.5)%、CD18为(66.7±7.5)%、CD44为(90.3±4.0)%、CD49d为(63.7±6.7)%、CD62L为(50.8±5.9)%,其表达亦较骨髓为低,尤以CD62L为著,但脐血CD54的表达[(29.1±4.9)%]较骨髓及动员后外周血为高,尤较动员后外周血为著.结论不同来源CD34+细胞粘附分子表达存在差异,外周血细胞动员的机制可能与粘附分子的表达下调有关.     

FL与SCF、IL-3、GM-CSF及EPO协同调控脐血造血干/祖细胞的体外扩增

目的　探讨造血细胞因子的不同组合对脐血造血干 /祖细胞的扩增作用。方法　应用免疫磁珠法分离纯化脐血CD3 4+ 造血干 /祖细胞 ,在体外液体培养体系中经各种不同细胞因子组合扩增 1周 ,用流式细胞仪检测CD3 4+ 造血干 /祖细胞并进行甲基纤维素法半固体培养 2周 ,在倒置显微镜下计数集落产率。结果　在FL、SCF、IL 3、GM CSF、EPO造血细胞因子的不同组合下脐血造血干 /祖细胞得以扩增 ,以IL 3+SCF +FL +EPO组的扩增效率最高 ,其有核细胞数、CD3 4+ 细胞及CFU GM、BFU E集落分别扩增 46 2± 175、3.47± 1.6 4、2 6 4± 10 5和 12 8± 6 7倍。结论　FL对扩增CD+ 3 4细胞具有较强的协同作用 ,合理的细胞因子组合扩增的脐血造血干 /祖细胞可成为异基因造血干细胞移植的主要来源。     

阵发性睡眠性血红蛋白尿症患者骨髓造血细胞对粒细胞集落刺激因子反应的研究

目的　观察阵发性睡眠性血红蛋白尿症(PNH)患者骨髓造血细胞对粒细胞集落刺激因子(G CSF)的反应并研究其机制。方法　①用半固体培养基体外培养17例PNH患者和12名正常人骨髓单个核细胞(BMMNC),观察加与不加G CSF两组粒单核细胞集落(CFU GM)和集簇(cFU GM)形成情况。PNH患者骨髓GPI+CD34+和GPI-CD34+细胞表达粒细胞集落刺激因子受体(G CSFR、CD114)和干细胞生长因子受体(C KIT、CD117)的差异。②用流式细胞术检测20例初发PNH患者和12名正常对照BMMNC和CD34+细胞表面GPI锚定蛋白CD59以及CD114和CD117的表达。结果　①无G CSF及加G CSF培养PNH组cFU GM数量分别为( 112. 41±22. 74 )和( 133. 82±25. 85 ) /105BMMNC,均较正常对照的(190. 33±36. 05)和(309. 42±92. 94) /105 BMMNC少(P<0. 05);无G CSF及加G CSF培养PNH组CFU GM数量分别为(24. 29±9. 05)和(27. 53±10. 65) /105 BMMNC,也较正常对照的(77. 42±36. 01)和(98. 00±43. 14) /105 BMMNC少(P<0. 05 )。PNH组加G CSF后,cFU GM增加率为(20. 29±6. 82)% (P<0. 05),CFU GM增加率为(16. 45±3. 28)% (P>0. 05)。正常对照加G CSF后,cFU GM增加率为(56. 11±37. 59)%,CFU GM增加率为(48. 03±13. 60)% (P值均<0. 05),PNH组增加率均低于正常对照(P<0     

急性心肌梗死患者溶栓治疗前后血清sICAM-1、sVCAM-1、IL-6及IL-8的动态观察

目的探讨急性心肌梗死 (AMI)溶栓治疗前后血清可溶性细胞间粘附分子 1(sICAM 1)、可溶性血管细胞粘附分子 1(sVCAM 1)、白细胞介素 6 (IL 6 )、白细胞介素 8(IL 8)的动态变化。方法采用ELISA法观察 2 6例经尿激酶溶栓治疗及 2 2例常规治疗的AMI患者治疗前及治疗后 1、2、5、7、14天血清sICAM 1、sVCAM 1、IL 6、IL 8的动态变化并进行比较分析。结果治疗前两组间sICAM 1、sVCAM 1、IL 6、IL 8无差异 ,治疗后各指标变化趋势相似 ,但溶栓组sVCAM 1在治疗后第 5、7、14天显著高于对照组 (P <0 .0 1) ;而sICAM 1在第 5、7天明显低于对照组 (P <0 .0 1) ,IL 6在治疗后第 1、2、7天显著低于对照组 (P <0 .0 1) ,IL 8在治疗后第 1、7天明显低于对照组 (P <0 .0 1)。结论sICAM 1、sVCAM 1、IL 6、IL 8均可作为溶栓监测指标 ,其动态改变及作用影响AMI的发生、发展变化。溶栓治疗可减轻AMI的病理损伤 ,缩短病程。     

化疗加G-CSF和GM-CSF联合动员自体外周血干细胞

目的　探讨化疗加粒细胞集落刺激因子 (G CSF)和粒 巨噬细胞集落刺激因子 (GM CSF)联合动员自体外周血干细胞 (APBSC)的效果。方法　卡铂 (CBP) 35 0mg m2 ,第 1天静滴 ;足叶乙甙(Vp16 ) 35 0mg m2 ,第 1～第 3天静滴 ;白细胞降至最低点又回升到 (2 .4～ 6 .4)× 10 9 L时 ,皮下注射G CSF 5 μg·kg- 1 ·d- 1 (早 6∶0 0 ) GM CSF 5 μg·kg- 1 ·d- 1 (晚 6∶0 0 ) 地塞米松 5mg d(采集日 10mg d)直到采集结束前 1天 ;白细胞上升到 (2 9.80± 5 .98)× 10 9 L ,开始用CS30 0 0plus血细胞分离机连续 2d采集APBSC。结果　 2 0例患者连续采集APBSC 2次 ,共采集到MNC(5 .93± 1.6 2 )× 10 8 kg ,CD34 细胞 (2 3.10± 11.5 3)× 10 6 kg ,CFU GM(3.44± 2 .85 )× 10 5 kg。无严重不良反应。 9例 10次自体外周血干细胞移植(APBSCT)造血功能均获满意重建。结论　以化疗联合G CSF和GM CSF能高效、安全地动员APBSC ,1次动员采集 2次可满足 1～ 2次的APBSCT。     

支气管哮喘患者外周血白细胞CD18和血清sICAM-1变化及意义

目的 :探讨支气管哮喘患者外周血白细胞粘附分子β2 整合素 (β2 -integrin ,CD18)和血清可溶性细胞间粘附分子 - 1(sICAM - 1,CD5 4)变化及其意义。方法 :采用流式细胞仪检测支气管哮喘患者外周血白细胞CD18和血清sICAM - 1的表达。结果 :(1)支气管哮喘患者外周血白细胞CD18和血清sICAM - 1表达呈显著正相关 (γ =0 934 ,P <0 0 5 )。结论 :支气管哮喘患者外周血白细胞CD18和血清sICAM - 1表达增加 ,可能是支气管哮喘重要的发病机制之一。     

rhIL-11联合rhG-CSF动员小鼠外周血造血干/祖细胞的研究

目的　研究rhIL 11对小鼠巨核系造血干 /祖细胞的动员作用。方法　rhIL 112 5 0μg·kg-1·d-1或联合rhG CSF 2 5 0 μg·kg-1·d-1给C5 7BL/ 6小鼠皮下注射 1～ 7d ,观察用药前和用药第 3,5 ,7,9天小鼠外周血白细胞、血小板计数 ,CD34 +细胞比例 ,CFU GM、CFU MK、CFU E的数量变化。结果　单用rhIL 11或与rhG CSF联合使用时 ,外周血白细胞、血小板、CD34 +细胞比例及各种造血细胞集落数明显高于对照组 (P <0 .0 1)。在含有IL 11的实验组中 ,CFU MK明显高于rhG CSF组 (P <0 .0 1)。结论　rhIL 11可升高外周血白细胞、血小板 ,同时增加外周血CD34 +细胞的比例 ,提高粒、红、巨核系造血细胞集落形成单位的数量 ,特别是对CFU MK作用较强 ;与rhG CSF联合使用对动员骨髓造血干 /祖细胞进入外周血有明显的协同作用。     

细胞间粘附分子和嗜酸细胞趋化因子在哮喘患儿血清中的表达及意义

目的探讨支气管哮喘患儿血清可溶性细胞间粘附分子-1（sICAM-1）、血管内皮细胞间粘附分子-1（sVCAM-1）、嗜酸细胞趋化因子（Eotaxin）水平的相关性及临床意义。方法采用ELISA双抗体夹心法对38例哮喘患儿和36例正常对照组儿童血清sICAM、sVCAM-1、Eotaxin进行检测。结果哮喘患儿血清sICAM-1、sVCAM-1、Eotax-in水平均较对照组显著升高（P〈0．01）,而哮喘发作期患儿与缓解期患儿之间差异也具有统计学意义（P〈0．05）,重度发作患儿较轻、中度发作升高明显（P〈0．05）。哮喘患儿血清sICAM-1、sVCAM-1水平与Eotaxin水平之间存在正相关（r=0．632,P〈0．01）。结论sICAM-1、sVCAM-1、Eotaxin参与了哮喘的病理过程,其水平的高低可能与哮喘病情的严重程度有关,可视为哮喘气道炎症诊断和观察病情活动性的重要指标。     

Circulating endothelial adhesion molecules (sE-selectin, sVCAM-1 and sICAM-1) during rHuG-CSF-stimulated stem cell mobilization

The role of leukocyte-endothelial cell interactions during granulocyte colony-stimulating factor (G-CSF)-induced stem cell mobilization is unclear. To examine endothelial activation during this process, we determined levels of circulating endothelial adhesion molecules in healthy donors undergoing G-CSF-mobilized stem cell collection. Plasma levels of soluble (s) E-selectin, soluble intercellular adhesion molecule-1 (sICAM-1), and soluble vascular cell adhesion molecule-1 (sVCAM-1) were serially determined by enzyme-linked immunosorbent assays in 10 healthy donors during G-CSF-stimulated stem cell mobilization. There was a significant increase in plasma levels of all three endothelial adhesion molecules (sE-selectin, p = 0.01; sICAM-1, p = 0.003; sVCAM-1, p = 0.0002) between day 1 and day 5 of G-CSF stimulation, but only sVCAM-1 concentrations exceeded the range obtained from unstimulated controls in all stem cell donors. Increases of sCAM were accompanied by increased numbers of white blood cells and CD34(+) progenitors in peripheral blood. G-CSF-stimulated peripheral blood progenitor cells (PBPC) mobilization results in increased levels of circulating endothelial adhesion molecules that were most evident for VCAM-1 molecules. Because soluble VCAM-1 remains active in binding to the VLA-4 receptor on CD34(+) cells, it may reduce stem cell adhesiveness to endothelial cells and to bone marrow microenvironment.     

不稳定型心绞痛患者血清内脏脂肪素水平的变化及与血管内皮细胞黏附分子的相关性

目的观察和分析不稳定型心绞痛(UA)患者血清内脏脂肪素(Visfatin)水平的变化及与血管内皮细胞黏附分子的相关性。方法选取100例UA患者、100例稳定型心绞痛(SA)患者及50名健康志愿者作为研究对象,分别设为UA组、SA组及对照组。对3组研究对象的血清Visfatin、可溶性血管细胞黏附分子-1(sVCAM-1)、可溶性细胞间黏附分子1(sICAM-1)水平进行检测和比较。结果 UA组患者的血清Visfatin、sVCAM-1、sICAM-1水平均显著高于SA组或对照组(P0.05)。直线相关分析结果显示,UA组患者的血清Visfatin水平与体质量指数(BMI)、腰围、甘油三酯(TG)水平、sVCAM-1、sICAM-1水平均具有相关性(P0.05)。多元线性回归结果显示,UA组患者血清Visfatin水平与腰围、sVCAM-1、sICAM-1水平具有相关性(P0.05)。结论 UA患者表现为血清Visfatin水平的显著上升,其水平与血清sVCAM-1、sICAM-1水平具有相关性。     

C-反应蛋白细胞黏附分子与急性冠脉综合征相关性的临床研究

目的探讨急性冠脉综合征（ACS）患者体内C-反应蛋白（CRP）、可溶性细胞间黏附分子-1（sICAM-1）和可溶性血管细胞黏附分子-1（sVCAM-1）表达水平以及它们之间的相互关系。方法252例冠心病患者分为两组：ACS组86例，非ACS组166例。酶联免疫吸附试验（ELISA）法测定血清sICAM-1和sVCAM-1水平，快速免疫比浊法测定血清CRP水平。结果ACS组血清CRP、sICAM-1和sVCAM-1水平均显著高于对照组（P〈0．01），而且ACS组各类型血清CRP、黏附分子水平亦显著高于对照组（P〈0．05或P〈0．01）。结论血清sICAM-1、sVCAM-1、CRP对ACS的发生、发展可能起到促进作用，在ACS危险分层中具有一定临床意义。     

苦参对急性白血病患者sICAM-1和sVCAM-1水平的影响

目的探讨苦参对急性白血病患者可溶性细胞间黏附分子-1(sICAM-1)和可溶性血管细胞黏附分子-1(sVCAM-1)水平的影响。方法选取2013年3月至2015年3月该院收治的急性白血病患者60例,按照治疗方式的不同将患者分为常规化疗组和苦参治疗组,每组各30例。常规化疗组患者给予常规化疗方案实施治疗,苦参治疗组患者在常规化疗基础上加用苦参治疗。另选取同期该院健康体检者60例作为健康对照组。采用酶联免疫吸附试验(ELISA)分析急性白血病患者治疗前后和健康体检者血清sICAM-1、sVCAM-1水平。结果急性白血病患者血清sICAM-1、sVCAM-1水平在治疗前及治疗后均明显高于健康对照组,两者比较差异有统计学意义(P0.05)。常规化疗组及苦参治疗组,治疗后患者血清sICAM-1、sVCAM-1水平均有下降,苦参治疗组sICAM-1、sVCAM-1的水平下降程度较常规化疗组更明显,差异有统计学意义(P0.05)。苦参治疗组治疗有效率为90.00%,高于常规化疗组的67.67%,差异有统计学意义(P0.05)。结论苦参可明显降低急性白血病患者血清sICAM-1、sVCAM-1水平,改善常规化疗药物疗效,促进患者康复。     

Predictive parameters for granulocyte colony-stimulating factor-induced peripheral blood stem cell mobilization

To improve the selection of donors for allogeneic stem cell transplantation, it is important to identify reliable parameters that predict CD34+-cell yields after granulocyte-colony stimulating factor (G-CSF)-induced peripheral blood stem cell (PBSC) mobilization. We retrospectively investigated the peripheral blood (PB) kinetics of white blood cells (WBCs), CD34+ cells, matrix metalloproteinases (MMP)-9 and -2, and tissue inhibitors of metalloproteinases (TIMP)-1 and -2 in 15 healthy donors during their treatment with G-CSF. All donors received 10 microg/kg of recombinant human G-CSF once a day subcutaneously. Leukapheresis was initiated after 4 days of G-CSF treatment, and G-CSF treatment continued until the last day of leukapheresis. WBC and CD34+ cell numbers in the PB rose after 2 and 3 or 4 days of G-CSF treatment, respectively. The PB CD34+ cell numbers on day 4 correlated weakly with the increase in WBC counts from day 1 to day 2 (R(2) = 0.254, P = 0.056). There were also positive correlations between the CD34+ cell numbers in the PBSC products on day 4 and the CD34+ cells in the PB on days 1 and 4 (R(2) = 0.768, P < 0.0001 and R(2) = 0.816, P < 0.0005, respectively). The MMP-9 plasma levels on days 1 and 4 also correlated positively with the day 4 circulating CD34+ cell numbers (R(2) = 0.393, P < 0.05 and R(2) = 0.406, P = 0.01, respectively). In conclusion, the CD34+ cell numbers in the PB steady state may be a useful parameter selecting allogeneic PBSC donors.     

The effects of pentoxifylline on circulating adhesion molecules in critically ill patients with acute renal failure treated by continuous veno-venous hemofiltration

Objective Circulating adhesion molecules appear to be excellent markers of endothelial activation in critically ill patients. Pentoxifylline (PTX) may limit sequelae of inflammation and subsequent endothelial activation by various mechanisms. The influence of PTX on the plasma levels of soluble adhesion molecules in critically ill patients undergoing continuous veno-venous hemofiltration (CVVH) was studied.Design Prospective, randomized, blinded study.Setting Clinical investigation in the surgical intensive care unit of a university hospital.Patients and participants Fourteen consecutive patients suffering from acute renal failure (ARF) with postoperative complications who received continuous pentoxifylline (CVVH-PTX) i.v. were compared with 14 patients with ARF who did not receive PTX (CVVH control group).Interventions Pump-driven CVVH was carried out with a blood flow ranging from 120 to 150 ml/min. All patients received fentanyl and midazolam continuously and were on mechanical ventilation. PTX (300 mg) was given as a loading dose, followed by continuous infusion of 1.2 mg/kg per h for the next 5 days.Measurements and results From arterial blood samples, plasma levels of soluble adhesion molecules (endothelial leukocyte adhesion molecules [sELAM-1], and intercellular adhesion molecule-1 [sICAM-1], vascular cell adhesion molecule-1 [sVCAM-1], and P-selectin granule membrane protein [sGMP-140] were measured using enzyme-linked immuno-sorbent assays (ELISA). Measurements were carried out before the start of CVVH to establish baseline values and continued during the next 5 days.Main results Eleven of the CVVH-PTX patients and 8 of the CVVH control patients survived during the investigation period. In the CVVH-PTX patients 2.4±0.3 g/day of PTX was given. At baseline, plasma levels of sELAM-1, sICAM-1, and sVCAM-1 were markedly higher than normal in both groups. In the CVVH control patients, all measured soluble adhesion molecules increased further during the study period (sELAM-1 from 90±22 to 134±30 ng/ml; sICAM-1 from 958±173 to 1460±209 ng/ml; sVCAM-1 from 1100±188 to 1804 ng/ml; sGM-140 from 499±102 to 688±121 ng/ml) (p<0.05), whereas in the PTX-treated CVVH patients, plasma levels of all soluble adhesion molecules remained almost unchanged. The PaO₂/FIO₂ increased in the PTX-treated patients (from 209±67 to 282±58 mmHg) and remained almost unchanged in the CVVH control patients.Conclusion Leukocyte/endothelial interactions play an important role in the inflammatory process. Circulating adhesion molecules may serve as markers of the extent of inflammation. Continuous i.v. administration of PTX was successful in blunting the increase of soluble adhesion molecules in critically ill patients undergoing CVVH. Whether these effects result from improved circulation at the microcirculatory level or from (direct or indirect) beneficial effects on endothelial cells warrants further controlled studies.     

Keishibukuryogan (gui-zhi-fu-ling-wan), a Kampo formula, decreases disease activity and soluble vascular adhesion molecule-1 in patients with rheumatoid arthritis

An increasing death rate due to cardiovascular disease in patients with rheumatoid arthritis (RA) has been reported. Keishibukuryogan (KBG) is a traditional Chinese/Japanese (Kampo) formula that has been administered to patients with blood stagnation, e.g. thrombotic disease and atherosclerosis. The objective of this study was to evaluate the efficacy of KBG on disease activity and endothelial dysfunction in RA patients. Sixteen RA patients were enrolled and administered KBG (12 g per day) for 12 weeks in addition to continuing other drugs. The disease activity of RA was assessed by modified disease activity scores for 28 joints (DAS(28)). Plasma levels of adhesion molecules, soluble E-selectin (sE-selectin), soluble intercellular adhesion molecule-1 (sICAM-1) and soluble vascular cell adhesion molecule-1 (sVCAM-1) were evaluated. C-reactive protein (CRP), inflammatory cytokines (IL-1beta, IL-6 and TNF-alpha) and lipid peroxide (LPO) were also evaluated. Fourteen patients completed the study. The disease activity of RA, tender joint count, swollen joint count and DAS(28) decreased significantly. Among adhesion molecules, only sVCAM-1 decreased significantly. LPO also decreased significantly, whereas CRP and inflammatory cytokines remained unchanged. These results suggest that KBG has insufficient anti-inflammatory or immunomodulating effect but does have a beneficial effect on articular symptoms and a protective effect against endothelial dysfunction in RA patients.     

基质细胞衍生因子-1及其受体在G-CSF诱导的造血干/祖细胞动员中的作用

目的探讨基质细胞衍生因子-1（SDF-1）及其特异性受体CXCR4在G-CSF诱导的造血干／祖细胞（HSPC）动员中的作用。方法应用酶联免疫吸附实验（ELISA）、免疫组织化学、流式细胞术等方法检测健康供者稳态及G-CSF动员过程中骨髓、外周血SDF-1／CXCR4的变化，并应用SDF-1中和性抗体阻断BALB／c小鼠SDF-1信号通路，进一步验证SDF-1／CXCR4在动员中的作用。结果G-CSF动员前骨髓和外周血的SDF-1浓度分别为（7．23±0．66）μg/L和（5．43±0．35）μg／L，动员后分别为（5．88±1．03）μg／L和（5．42±0．52）μg/L。动员后骨髓SDF-1蛋白水平下降（P＜0．05），骨髓和外周血之间的SDF-1浓度梯度消失（P＞0．05）；稳态骨髓、动员后骨髓和动员后外周血的CD34^＋ CXCR4^＋细胞在CD34^＋细胞群中的比例分别为（40．98±21．56）％、（65．80±24．68）％和（27．54±26．03）％。动员后CXCR4在骨髓CD34^＋胞上表达增加（P＜0．05），而外周血CD34^＋细胞CXCR4表达降低（P＜0．05）。SDF-1中和性抗体可降低G-CSF动员的BALB／c小鼠外周血成熟白细胞和祖细胞集落数量（P＜0．05）。结论骨髓中SDF-1水平的降低以及CXCR4在HSPC上表达的下降促进了G-CSF介导的动员的发生。