肝炎肝硬变患者血清和腹水TNF-α和IL-6水平的变化及临床意义

目的:探讨肝炎肝硬变(HC)患者体内肿瘤坏死因子-α(TNF-α)和白细胞介素-6(IL-6)水平对细菌感染的诊断价值。方法:用双抗体夹心酶联免疫法(ELISA)检测了41例HC患者血清和腹水TNF-α和IL-6的水平。结果:HC合并感染组血清TIE-α和IL-6水平显著高于正常对照组和无感染组(P<0.01),自发性细菌性腹膜炎(SBP)患者的腹水IL-6水平显著高于无SBP患者(P<0.001)。以腹水IL-6=1200pg/ml作为诊断SBP的截断点,其灵敏度为87.5％,特异度为92.8％。结论:HC患者血清和腹水TNF-α和IL-6的检测对判断感染的存在有一定的临床实用价值。     

肝硬化SBP患者TNF-α、IL-6和PCT检测及意义

目的探讨肿瘤坏死因子-α(TNF-α)、IL-6和降钙素原(PCT)在自发性细菌性腹膜炎(SBP)肝硬化患者中的应用。方法选取本院收治的82例肝硬化腹水合并SBP患者和40例无SBP肝硬化腹水患者,采用酶联免疫吸附(ELISA)法检测腹水和血清TNF-α、IL-6水平,采用酶联荧光分析(ELFA)法测定腹水和血清PCT水平,将各组结果进行比较分析。结果 SBP患者腹水、血清中TNF-α、IL-6和PCT水平显著高于非SBP肝硬化患者(P0.05);SBP经治疗好转患者腹水、血清中TNF-α、IL-6和PCT水平较治疗前显著下降(P均0.05);SBP经治疗恶化组患者腹水、血清中TNF-α、IL-6和PCT水平明显高于好转组(P均0.05)。结论腹水和血清中TNF-α、IL-6、PCT水平与肝硬化合并SBP患者疾病严重程度及预后密切相关,可作为诊断SBP的敏感指标,联合检测对SBP早期诊断、疗效观察和判断预后有一定的临床价值     

肝硬化并自发性腹膜炎患者血清及腹水瘦素、肿瘤坏死因子-α、白细胞介素-6临床意义的探讨

目的:探讨肝硬化并发自发性腹膜炎(SBP)患者血清及腹水中瘦素、肿瘤坏死因子(TNF-α)、白细胞介素(IL-6)水平的变化和临床意义.方法:采用放射免疫法测定67例肝硬化腹水患者(SBP组32例,漏出液组35例)血清及腹水瘦素水平,同时采用双抗体夹心ELISA法测定血清及腹水的TNF-α、IL-6水平.结果:SBP组患者血清及腹水瘦素、TNF-α、IL-6水平明显高于漏出液组(P<0.01),且腹水瘦素、TNF-α、IL-6又高于血清中的水平(P<0.01或P<0.05);感染控制后,血清和腹水中瘦素、TNF-α、IL-6水平明显降低(P<0.01或P<0.05);SBP组治疗无效者初始血清和腹水中瘦素、TNF-α、IL-6水平明显高于治疗有效者(P<0.01或P<0.05);肝硬化患者血清和腹水中瘦素与TNF-α、IL-6变化呈正相关.结论:肝硬化并发SBP患者血清和腹水中的瘦素、TNF-α、IL-6明显升高,临床上检测血清和腹水的瘦素、TNF-α、IL-6水平对SBP的早期诊断、疗效判断及预后评估均有一定意义.     

肝硬化并发自发性细菌性腹膜炎患者腹水中TNF-α及IL-6的测定及其意义

目的探讨肿瘤坏死因子(TNF-α)及白细胞介素-6(IL-6)与肝硬化并发自发性细菌性腹膜炎(spontaneous bacterial peritonitis,SBP)的关系。方法用ELISA方法对32例肝硬化并发SBP和30例肝硬化漏出性腹水中TNF-α及IL-6进行检测,并作对照分析。结果肝硬化并发SBP组腹水TNF-α及IL-6明显高于肝硬化漏出性腹水组(P<0·01);SBP组病情重、死亡者腹水中TNF-α及IL-6质量浓度明显高于存活者;SBP组部分病例抗感染治疗临床表现有效后,腹水中TNF-α及IL-6质量浓度明显下降。结论检测腹水中TNF-α及IL-6水平可辅助诊断SBP,并可观察治疗效果、判断病情及预后。     

血清及腹水中CRP、PCT、MCP-1、TNF-α、IL-6水平对肝硬化并发自发性细菌性腹膜炎中的诊断及其预后分析

[目的]探讨血清及腹水中CRP、PCT、MCP-1、TNF-α、IL-6水平对肝硬化并发自发性细菌性腹膜炎中的诊断及其预后分析。[方法]选择2015年11月～2018年11月在我院就诊的128例肝硬化患者,采用ELISA法检测血清和腹水中CRP、PCT、MCP-1、TNF-α和IL-6水平,评估其在诊断及预后中的作用。[结果]合并SBP组患者治疗前血清及腹水CRP、PCT、MCP-1、TNF-α和IL-6水平明显高于未合并SBP组(P0.05),经抗感染治疗后,合并SBP组患者血清及腹水CRP、PCT、MCP-1、TNF-α和IL-6水平较治疗前均明显降低(P0.05)。诊断SBP特异性、敏感性方面联合检测高于单一项目检测(P0.05)。64例合并SBP组患者在治疗1个月后好转41例,恶化23例。好转组血清及腹水CRP、PCT、MCP-1、TNF-α和IL-6水平明显低于恶化组(P0.05)。[结论]血清和腹水CRP、PCT、MCP-1、TNF-α和IL-6水平可作为早期诊断肝硬化合并SBP和判断预后的敏感性实验室指标。     

血浆置换联合血液滤过对乙型肝炎相关慢加急性肝衰竭患者血清IL-17和IL-6的影响

目的探讨血浆置换联合血液滤过对乙型肝炎相关肝衰竭血清白细胞介素(IL)-17、IL-6的影响。方法 30例乙型肝炎慢加急性肝衰竭患者在内科治疗的基础上采用血浆置换联合血液滤过单次治疗。用ELISA检测各组血清IL-17、IL-6浓度,同时记录血清ALT、TBil等值并进行统计分析。结果肝衰竭组患者血清IL-17、IL-6水平分别为(123.5±23.0)pg/ml、(110.0±18.5)pg/ml,高于慢性乙型肝炎患者(48.5±6.3)pg/ml、(27.8±5.9)pg/ml和正常对照组(34.7±3.3)pg/ml、(12.1±5.1)pg/ml,P均<0.001;治疗后血清IL-17、IL-6水平分别为(84.7±21.4)pg/ml、(75.8±16.6)pg/ml,较治疗前下降(t=35.1,P<0.001;t=33.4,P<0.001);与好转组相比,人工肝对恶化组血清IL-17、IL-6清除效率降低(t=3.8,P<0.05;t=3.9,P<0.05);人工肝对血清IL-17、IL-6清除效率均与MELD评分呈负相关(r=-0.53、P=0.003;r=-0.43,P=0.015)。结论血浆置换联合血液滤过能有效降低肝衰竭患者血清IL-17、IL-6水平,其对IL-17、IL-6的清除效率可能与患者预后有关。     

肺结核患者外周血sIL-2R、IL-6、IL-8、IL-10及TNF-α的检测意义

目的分析未抗痨治疗的结核患者及已经有效治疗的患者s IL-2R、IL-6、IL-8、IL-10及TNF-α表达的差异,以探讨上述指标的变化及意义。方法采用免疫化学发光法检测未抗结核治疗患者(A组)、抗结核治疗有效患者(B组)及健康组(C组)上述指标的表达水平,并比较各组差异。结果 A组C组相比较,均明显升高(P0.01)。B组s IL-2R和IL-6的含量较A组明显下降,分别为(509.41±96.52)U/ml vs(1207.09±105.33)U/ml和(8.91±3.22)pg/ml vs(37.84±15.46)pg/ml(P0.01);IL-8和TNF-α在B组中的含量较A组明显下降,分别为(12.78±3.69)pg/ml vs(23.82±5.67)pg/ml和(14.33±6.82)pg/ml vs(32.41±11.66)pg/ml(P0.05);而IL-10水平未发生明显变化。结论肺结核病患者s IL-2R、IL-6、IL-8、TNF-α水平明显增加,抗结核治疗后上述因子水平明显降低,初步提示s IL-2R、IL-6、IL-8、TNF-α表达水平与结核活动程度相关,有望进一步作为评价肺结核活动程度的指标。     

肝炎肝硬化合并自发性细菌性腹膜炎患者TNF-α和IL-6检测的临床意义

目的探讨肝炎肝硬化（HC）合并自发性腹膜炎（SBP）患者血清和腹水中肿瘤坏死因子α（TNF-α）和白细胞介素6（IL-6）水平变化及意义。方法用化学发光法检测82例肝炎HC合并腹水患者血清和腹水中TNF-α和IL-6水平,同时对患者进行腹水常规检查及细菌培养。对确诊SBP组进行抗感染等综合治疗,临床症状缓解后,复查血清和腹水中TNF-α与IL-6水平。结果肝炎HC合并SBP患者血清和腹水TNF-α和IL-6水平均高于无合并SBP组（P〈0.01）,腹水更敏感。经抗感染等综合治疗后,症状缓解后HC合并SBP患者血清和腹水TNF-α和IL-6水平均下降（P〈0.01）,死亡组初始TNF-α和IL-6水平高于存活组（P〈0.05）。结论血清和腹水TNF-α和IL-6水平检测对于SBP的早期诊断与治疗、判断与改善预后有一定意义。     

肝硬化患者血清一氧化氮和几种白细胞介素检测的临床意义

目的 探讨肝硬化患者血清一氧化氮(NO)、白细胞介素-2(IL-2)、白细胞介素-6(IL-6)、白细胞介素-8(IL-8)及可溶性白细胞介素-2受体(sIL-2R)变化的临床意义.方法 应用ELISA法测定肝硬化患者及正常对照组的血清IL-6、IL-8及sIL-2R含量;应用MTT法检测血IL-2活性;应用荧光法检测血清NO水平.结果 肝硬化患者血清IL-2、sIL-2R、IL-6、IL-8及NO水平:(5741.53±4376.52)U/ml、(486.76±46.41)U/ml、(15.78±3.04)pg/ml、(23.89±2.13)pg/ml及(6.33±0.37)μmol/L,显著高于正常对照组:(173.88±92.21)U/ml、(242.36±35.78)U/ml、(6.14±3.12)pg/ml、(17.71±1.32)pg/ml及(3.68±0.34)μmol/L,并随肝功受损程度进行性增加.结论 肝硬化患者血清IL-2、sIL-2R、IL-6及IL-8增加可能为NO增多的诱发因素;肝功能损伤可能是白细胞介素活性增加的重要原因.     

联合检测腹水总蛋白、补体C3、IL-6及TNF-α对自发性细菌性腹膜炎的诊断价值

1996年以来,我们检测了22例肝炎后肝硬化腹水伴发自发性细菌性腹膜炎(Spontaneous bacterialperitonitis,SBP)患者腹水的总蛋白、补体C3、IL-6及TNF-α水平,旨在探讨其对SBP诊断预测及预后判断的临床意义。1 资料与方法1.1 一般资料 22例SBP者中男15例,女7例,年龄26～70岁,平均年龄48岁。SBP按1988年我国腹水会议制定的肝硬化腹水并发SBP的诊断标准诊断。同时期选择了22例肝炎后肝硬化腹水无SBP者为对照组,平均年龄47岁。1.2 方法 全部患者在进入研究第2天抽取腹水,检验腹水中总蛋白、补体C3浓度及IL-6、TNF-α水平。IL-6和TNF-α均采用双抗体夹心ELISA法,药盒购自美国Genzyme公司,标本由专人严格按说明书进行操作。1.3 统计学处理 采用t检验。2 结 果2.1 两组患者腹水中总蛋白、补体C3浓度测定结果 肝硬化腹水并发SBP组腹水总蛋白、补体C3浓度均显著低于肝硬化腹水无SBP组(P＜0.05)(见附表)。2.2 两组患者腹水IL-6和TNF-α水平测定结果肝硬化腹水并发SBP组腹水IL-6和TNF-α水平均显著高于肝硬化腹水无SBP组(P＜0.05)(见附表)。     

Expression of IL-23 and IL-17 and effect of IL-23 on IL-17 production in ankylosing spondylitis

The objective of this study was to investigate the expression of IL-23 and IL-17 and the influence of IL-23 on IL-17 production in ankylosing spondylitis (AS) patients. IL-23 and IL-17 levels in the serum and supernatants of cultured peripheral blood mononuclear cells (PBMCs) were determined by ELISA. IL-23p19 mRNA expression in PBMCs were analyzed using RT-PCR. The patients with AS at active stage showed elevated levels of IL-23 and IL-17 in the serum and supernatants of cultured PBMCs. A higher expression of IL-23p19 mRNA in PBMCs of AS patients was also observed. A significantly enhanced production of IL-17 in the supernatants of cultured PBMCs was found in the presence of recombinant IL-23 and this effect was more significant in patients with AS. The results suggest that IL-23 and IL-17 may play critical roles in the pathogenesis of AS and IL-23-stimulated production of IL-17 by PBMCs may be responsible for the development of AS.     

IL-12及IL-10在桥本甲状腺炎发病机制中作用的研究进展

桥本甲状腺炎是一种常见的慢性自身免疫性疾病,表现为辅助性T细胞(Th)1占优势。 Th1类细胞因子白细胞介素(IL)-12表达增加,在该病的诱发及慢性迁延中起重要作用,Th2类细胞因子IL-10表达的下调也与该病有关,且随病情变化二者表达水平有所不同。因此,这些细胞因子可作为病情变化的监测指标,并且可通过调节细胞因子的表达水平从而使失衡的Th1／Th2细胞趋于平衡。这可能为桥本甲状腺炎的治疗开拓一条新途径。     

Serum IL-4, IL-10 and IL-6 levels in inflammatory arthritis

As the available in vitro and in vivo data suggest that interleukin (IL)-4 and IL-10 have immunosuppressive activity, our hypothesis was that serum IL-4 and IL-10 levels would correlate inversely with parameters of inflammation in patients with inflammatory arthritis. IL-4 was detected in the serum of 12 out of 140 patients with rheumatoid arthritis (RA), which was increased compared to the proportion found with patients with osteoarthritis (OA; P< 0.02). In addition, IL-4 was detected in the serum of 2 of 19 patients with systemic lupus erythematosus (SLE), 2 of 24 patients with psoriatic arthritis and 1 of 5 patients with Behçet's syndrome. No IL-4 was detected in patients with the following conditions: OA (58 patients), gout (17 patients), ankylosing spondylitis (6 patients), Reiter's syndrome (6 patients), polymyalgia rheumatica (6 patients), temporal arteritis (5 patients) and scleroderma (3 patients). No IL-10 was detected in any of the sera tested. We discuss the possible relevance of these results to the regulation of the immune response evident in inflammatory arthritis.     

白细胞介素10基因转染对小鼠心脏移植排斥反应中细胞因子表达的影响

目的 :探讨白细胞介素 10 (IL 10 )基因转染对小鼠心脏移植排斥反应中IL 12、IL 15、IL 18和IL 4表达的影响。方法 :采用小鼠颈部心脏移植模型 ,随机分为 3组 :对照组、移植组和IL 10组。于术后第 5天取移植心脏 ,用逆转录聚合酶链式反应 (RT PCR)法观察IL 12、IL 15、IL 18、IL 4及IL 10的表达情况。结果 :移植组IL 12、IL 15、IL 18表达与对照组比较明显升高 ,IL 10、IL 4表达显著降低 (均P <0 .0 1)。IL 10组IL 12、IL 15、IL 18表达与移植组比较明显降低 ,而IL 4及IL 10表达显著升高 (均P <0 .0 1)。结论 :IL 10基因转染抑制心脏移植排斥反应主要与其抑制IL 12、IL 15、IL 18等Th1型细胞因子的表达 ,促进Th2型细胞因子IL 4的表达 ,使免疫反应由Th1型向Th2型偏移有关     

Whole Tumor Cell Vaccine Adjuvants: Comparing IL-12 to IL-2 and IL-15

Cancer immunotherapy (passive or active) involves treatments which promote the ability of the immune system to fight tumor cells. Several types of immunotherapeutic agents, such as monoclonal antibodies, immune checkpoint inhibitors, non-specific immunomodulatory agents, and cancer vaccines are currently under intensive investigation in preclinical and clinical trials. Cancer vaccines induce permanent activation of the immune system and may be considered the most promising method for cancer treatment, especially in combination with other agents of passive immunotherapy. Among various approaches to cancer vaccines, whole tumor cell vaccines have been attracting attention for several years. Despite their low to moderate clinical effects, these vaccines have numerous advantages. Their ability to generate immune responses against tumor-associated antigens reduces the possibility for tumor cells to escape and facilitates the development of “off-the-shelf” allogeneic tumor vaccines. Understanding the reciprocal interactions between tumor cells and leukocytes is a key to harness the full potential of whole cell vaccination. Cytokines are considered as potent immunomodulatory molecules which behave as adjuvants in whole tumor cell vaccines. Improved mechanistic understanding of key cytokines in tumor immunity will serve as a resource for rational design of whole cell cancer vaccines. Although there are several reports about the use of different immunostimulatory cytokines as adjuvants, interleukin (IL)-12 appears to have superior effects compared to other cytokines. This review describes the effects of IL-12 compared to other immunomodulatory cytokines, such as IL-2 and IL-15, and highlights its application in whole cell tumor vaccination.     

Prognostic values of IL-6, IL-8, and IL-10 in acute pancreatitis

GOALS: The prognostic importance of interleukin-6 (IL-6), IL-8, and IL-10 in the prediction of acute pancreatitis severity. BACKGROUND: Early assessment of severity in acute pancreatitis could help the patients who are at risk of developing complications. Unfortunately, the used prognostic scoring systems generally are only moderately accurate in assessing disease severity. STUDY: We studied 117 consecutive patients with a diagnosis of acute pancreatitis admitted to our hospital during the past 2 years. Laboratory parameters and cytokines were analyzed from serum taken routinely on admission. Severity criteria were noted for each patient using Ranson, Glasgow, and APACHE II scoring systems. Local and systemic complications, developed during a follow-up period, were classified by Atlanta criteria. RESULTS: IL-6 was the only parameter that statistically significantly predicted complicated acute pancreatitis (P<0.05). IL-8 and IL-10 and the 3 prognostic scoring systems used did not properly assess complicated versus noncomplicated acute pancreatitis. CONCLUSIONS: Our prospective study supported the potential importance of IL-6 in the early assessment of complicated acute pancreatitis, but also suggested that pancreatitis classified as complicated in a large number of patients could not be correctly predicted with the Ranson, Glasgow, and APACHE II scoring systems.     

Distinct roles for IL-13 and IL-4 via IL-13 receptor alpha1 and the type II IL-4 receptor in asthma pathogenesis

IL-13 and IL-4 are central T helper 2 (Th2) cytokines in the immune system and potent activators of inflammatory responses and fibrosis during Th2 inflammation. Recent studies using Il13ra1(-/-) mice have demonstrated a critical role for IL-13 receptor (IL-13R) alpha1 in allergen-induced airway responses. However, these observations require further attention especially because IL-4 can induce similar lung pathology to IL-13, independent of IL-13, and is still present in the allergic lung. Thus, we hypothesized that IL-13Ralpha1 regulates IL-4-induced responses in the lung. To dissect the role of IL-13Ralpha1 and the type I and II IL-4Rs in experimental asthma, we examined lung pathology induced by allergen, IL-4, and IL-13 challenge in Il13ra1(-/-) mice. We report that IL-13Ralpha1 is essential for baseline IgE production, but Th2 and IgE responses to T cell-dependent antigens are IL-13Ralpha1-independent. Furthermore, we demonstrate that increased airway resistance, mucus, TGF-beta, and eotaxin(s) production, but not cellular infiltration, are critically dependent on IL-13Ralpha1. Surprisingly, our results identify a CCR3- and IL-13Ralpha1-independent pathway for lung eosinophilia. Global expression profiling of lungs from mice stimulated with allergen or IL-4 demonstrated that marker genes of alternatively activated macrophages are differentially regulated by the type I and type II IL-4R. Taken together, our data provide a comprehensive mechanistic analysis of the critical role by which IL-13Ralpha1 mediates allergic lung pathology and highlight unforeseen roles for the type II IL-4R.     

囊尾蚴病患者IL-4、IL-5和IL-10水平检测

目的探讨白细胞介素4(IL-4)、白细胞介素5(IL-5)和白细胞介素10(IL-10)在囊尾蚴病发病中的免疫学作用。方法用双抗体夹心(ELISA)法检测囊尾蚴病患者血清中IL-4、IL-5和IL-10水平。结果囊尾蚴病患者血清中IL-4、IL-5和IL-10水平分别为(152.3±31.2)、(256.4±23.3)和(343.9±20.8)ng/L,正常对照组血清中IL-4、IL-5和IL-10水平分别为(75.0±28.5)、(119.5±17.6)和(106.7±19.6)ng/L,2组比较差异均有统计学意义(t值分别为10.6、27.1和48.4,P<0.001)。结论囊尾蚴感染患者Th2型细胞因子表达水平失常,体液免疫功能升高,说明囊尾蚴感染可致宿主免疫功能紊乱。