非小细胞肺癌组织中IL-10、MMP-9的表达水平的初步研究及预后相关性分析

目的对非小细胞肺癌组织中IL-10、MMP-9的表达水平进行研究,探讨其与NSCLC的浸润、转移和预后的关系并进行相关性分析。方法检测60例NSCLC及20例肺良性病变组织中IL-10及MMP-9的表达水平;运用单因素分析及COX多因素分析比较IL-10及MMP-9与各临床特征及预后之间的关系。结果 IL-10及MMP-9在NSCLC中的阳性表达率显著高于肺良性病变组织（P〈0.05）,IL-10及MMP-9表达具有负相关性,同时IL-10低表达组的生存时间要低于高表达组,MMP-9低表达组的生存时间则显著高于高表达组（P〈0.05）,TNM分期和IL-10、MMP-9的表达状态与NSCLC的预后有关,IL-10高表达、MMP-9低表达可能对NSCLC的预后产生影响。结论 TNM分期和IL-10、MMP-9的表达状态是影响NSCLC患者预后的独立因子,IL-10高表达、MMP-9低表达为NSCLC的独立影响因素。IL-10可能通过抑制MMP-9的表达,抑制肿瘤细胞的转移。因此,监测IL-10及MMP-9的表达对评估NSCLC患者的预后具有重要作用。     

miR-411在非小细胞肺癌中的表达及临床意义

目的探究miR-411在非小细胞肺癌(NSCLC)中表达及临床意义。方法收集2017年3月至2018年8月于海南西部中心医院普二科行肺癌根治手术切除的NSCLC组织62例及其相应的癌旁组织,采用Real-time PCR法检测组织中miR-411的mRNA相对表达量。分析miR-411的表达与NSCLC临床病理特征(性别、年龄、有无吸烟史、肿瘤直径、组织学、有无淋巴结转移和TNM分期)的关系,采用Cox比例风险回归模型分析影响预后的因素。结果 miR-411在NSCLC组织中表达量为5.58±0.52,在癌旁组织中表达量为1.64±0.38(P0.05);miR-411表达与淋巴结转移和TNM分期有关(P0.05);Cox单因素分析显示除miR-411表达外,淋巴结转移和TNM分期,也与OS有关(P0.05)。结论 MiR-411在NSCLC中高表达,miR-411高表达与TNM分期和淋巴结转移有关,miR-411可作为NSCLC诊断和预后的预测新的靶点。     

非小细胞肺癌中HIF-1α、MMP-2的表达及其相互关系探讨

目的 探讨HIF-1α、MMP-2在非小细胞肺癌（NSCLC）组织中的表达及其关系.方法 采用免疫组织化学SP法检测120例NSCLC和癌旁正常肺组织中HIF-1α、MMP-2的表达.结果 HIF-1α、MMP-2在NSCLC组织中的阳性表达率明显高于癌旁正常肺组织（P〈0.05）.HIF-1α在NSCLC中的表达与肿瘤直径、组织学分化、TNM分期和淋巴结转移密切相关（P〈0.05）.MMP-2在NSCLC中的表达与组织学分化、TNM分期和淋巴结转移密切相关（P〈0.05）.120例NSCLC中,HIF-1α和MMP-2的表达呈正相关性（r=5.139,P＜0.05）.结论 NSCLC组织中HIF-1α、MMP-2呈过表达,两者均与NSCLC的浸润和转移有关,且两者存在相互协调的关系.     

血清MMP-2、VEGF和IL-17在早期非小细胞肺癌诊断价值及相关关系

目的对非小细胞肺癌(NSCLC)患者血清MMP-2、VEGF和IL-17的水平进行检测并分析其相关性。方法以NSCLC患者为研究组,健康体检者为对照组,采用ELISA法,检测研究对象血清MMP-2、VEGF和IL-17水平,并分析其相关性。结果研究组MMP-2、VEGF、IL-17水平均显著高于对照组(P0.05)。不同性别和不同年龄阶段NSCLC患者血清MMP-2和VEGF水平无明显差异(P0.05),鳞癌和腺癌患者血清VEGF水平无显著差异(P0.05),而鳞癌患者血清MMP-2水平显著低于腺癌患者(P0.05),有淋巴结转移患者MMP-2、VEGF水平均显著高于无淋巴结转移患者(P0.05),TNM分期为Ⅰ~Ⅱ患者血清MMP-2、VEGF水平显著低于Ⅲ~Ⅳ患者(P0.05)。不同性别、不同年龄阶段和病理类型NSCLC患者血清IL-17水平无明显差异(P0.05),有淋巴结转移患者IL-17水平显著高于无淋巴结转移患者(P0.05),TNM分期为Ⅰ~Ⅱ患者血清IL-17水平显著低于Ⅲ~Ⅳ患者(P0.05)。NSCLC患者血清MMP-2和IL-17呈正相关关系(r=0.618,P0.05),VEGF与IL-17呈显著正相关关系(r=0.548,P0.05)。结论 NSCLC患者血清MMP-2、VEGF、IL-17的水平显著升高,且MMP-2、VEGF均与IL-17显著正相关,对NSCLC的早期确诊和治疗有一定的支持作用。     

乳腺癌组织中 E-cadherin 和 CD105的表达

目的探讨在乳腺癌不同发展阶段上皮钙黏蛋白(E-cadherin)及CD105的表达及临床意义。方法选取60例乳腺癌患者,采用SP法以及PCR法检测乳腺癌不同发展阶段E-cadherin及CD105蛋白及mRNA表达水平,并分析E-cadherin与CD105的相关性。结果乳腺癌患者CD105在有淋巴结转移、组织学分级Ⅰ和Ⅱ级、p TNM分期Ⅲ期中呈高表达(P均<0.05);E-cadherin在有淋巴结转移、组织分级Ⅰ和Ⅱ级、p TNM分期Ⅲ期中呈低表达(P均<0.05);E-cadherin与CD105表达呈负相关(r=-0.343,P<0.05)。结论乳腺癌中E-cadherin与CD105表达特点不同,联合检测E-cadherin和CD105对判断乳腺癌的恶性程度及预后有很大作用。     

Muc-1 mRNA和CD44 mRNA在非小细胞肺癌组织中的表达及与预后的关系

目的 探讨Muc-1 mRNA和CD44 mRNA在非小细胞肺癌(NSCLC)组织中的表达情况与淋巴结转移的相关性及其与预后的关系.方法 应用RT-PCR方法检测36例NSCLC组织中和10例正常肺组织中Muc-1 mRNA和CD44 mRNA的表达情况.结果 ① 36例NSCLC组织中有19例Muc-1 mRNA阳性表达,阳性表达率为52.7%;21例CD44 mRNA表达,阳性表达率为58.3%.②Muc-1 mRNA在NSCLC组织中的阳性表达与患者的年龄、性别、组织学类型、TNM分期、肿瘤大小无关(P＞0.05),与淋巴结转移有关(χ2 =10.166,P＜0.05);CD44 mRNA在NSCLC组织中的阳性表达与患者的年龄、性别、组织学类型、TNM分期、肿瘤大小无关(P＞0.05),与淋巴结转移有关(χ2=8.371,P＜0.05).③Muc-1 mRNA和 CD44 mRNA阳性表达与NSCLC患者的预后有关(P＜0.05).④Muc-1 mRNA和CD44 mRNA在NSCLC组织中表达成正相关(r=0.442,P＜0.05).结论 Muc-1 mRNA和 CD44 mRNA阳性表达的NSCLC患者淋巴结转移率高,对NSCLC患者预后判断具有一定的指导作用.     

NSCLC患者癌组织中MMP-9、IL-17的表达及其与预后的关系

目的 探讨非小细胞肺癌(NSCLC)患者癌组织中基质金属蛋白酶-9(MMP-9)、IL-17的表达及其与预后的关系.方法 选择随诊资料完整的NSCLC患者组织标本60例,采用免疫组化法检测癌组织及癌旁组织中MMP-9、IL-17的表达,并分析其与预后的关系.结果 MMP-9、IL-17在癌组织中的阳性表达率分别为80.0％、78.3％,在癌旁组织中分别为35.0％、48.3％,癌组织中MMP-9、IL-17的表达较癌旁组织高(P均＜0.05);IL-17的表达随肿瘤直径、淋巴结转移和TNM分期不同而不同(P均＜0.05),MMP-9与肿瘤直径、TNM分期不同而不同(P均＜0.05);IL-7和MMP-9的阴性表达者3年生存率高于阳性表达者(P＜0.05).结论 IL-17、MMP-9在NSCLC癌组织中的表达高于癌旁组织,并可能在NSCLC的发生、发展中起重要作用.     

E-cad、CD_(44)v6基因表达与非小细胞肺癌淋巴转移的关系

目的探讨细胞粘附分子E-cad和CD44v6与非小细胞肺癌(non-small cell lung cancer,NSCLC)淋巴结转移的关系。方法应用免疫组织化学SABC法检测65例原发性NSCLC组织中E-cad和CD44v6基因蛋白的表达水平。结果E-cad在有无淋巴结转移组的正常表达率分别为21.1%和48.1%,两组比较差异有显著性(P0.05)。CD44v6在有无淋巴结转移组的阳性表达率分别为78.9%和55.6%,两组比较差异有显著性(P0.05)。结论E-cad异常表达和CD44v6阳性表达可能均在NSCLC的淋巴结转移中起重要的促进作用,且它们的作用具有协同性,它们的检测有助于判断NSCLC的淋巴结转移。     

MicroRNA-145在NSCLC患者血清中的表达特点及与预后的相关性

目的探讨非小细胞肺癌(NSCLC)患者血清微小RNA145(MicroRNA-145)的表达变化特点及与患者预后的相关性。方法选取我院2014年1月至2015年1月确诊的90例NSCLC患者(NSCLC组)、90例年龄及性别相匹配的健康对象作为对照组,采用RT-PCR技术检测两组患者血清MicroRNA-145水平,并分析不同分化程度、病理学类型、TNM分期、病灶大小、淋巴结转移、患者中的MicroRNA-145水平差异,采用Cox比例风险回归模型分析影响NSCLC患者预后的影响因素。结果 NSCLC组患者的血清MicroRNA-145水平显著的高于对照组(P0.05);不同TNM分期、不同分化程度、是否发生淋巴结转移的NSCLC组患者的血清MicroRNA-145水平差异具有统计学意义(P0.05);经过2年随访,失访9例患者,存活35例患者,2年生存率为38.89%;采用Cox比例风险模型进行分析,发现NSCLC患者TNM分期增高、发生淋巴结转移、血清MicroRNA-145水平升高对患者延长生存时间不利(P0.05)。结论 NSCLC患者血清MicroRNA-145水平高表达,并且与患者病理学特征、预后情况关系密切。     

HMGA2、MMP2在非小细胞肺癌中的表达及临床意义

目的 研究高迁移率蛋白(HMGA2)、基质金属蛋白酶-2(MMP2)在非小细胞肺癌(NSCLC)组织中的表达,及其与肿瘤转移和侵袭的关系.方法 采用免疫组化(SP)法检测64份肺癌组织和18份正常组织中HMGA2、MMP2表达的水平.结果 在NSCLC中检测HMGA2、MMP2表达的阳性率分别为79.7%和70.3%,显著高于正常肺组织(27.8%和33.3%)(P＜0.05).HMGA2、MMP2的表达水平与肿瘤的TNM分期和有无淋巴结转移密切相关(P＜0.05).结论 HMGA2、MMP2在NSCLC中的表达与肿瘤的发生、侵袭、转移密切相关,可能成为判断NSCLC淋巴结转移及预后的指标之一.     

妊娠时间与肺结核复发的相关性研究及诊治对策

目的 分析肺结核史患者妊娠时间和肺结核复发间相关性.方法 选取我院收治的有肺结核史的妊娠妇女576例作为研究对象,对其妊娠前肺结核治疗、治愈后妊娠时间、妊娠后复发肺结核等进行分析,总结有肺结核史育龄女性的妊娠时间和肺结核复发之间的关系.结果 肺结核治愈后不同时间段妊娠者的结核复发率比较,差异具有显著性（P＜0.05）,停药后间隔时间越久妊娠,肺结核复发的几率越小.结论 加强孕期痰菌检查,及早发现复发肺结核,提高母婴安全.     

我国骨关节结核诊治的回顾与展望

骨关节结核是危害人们健康的严重感染性疾病,近95％由他处结核病继发而来.罹患骨关节结核疾病后几乎均将致残,严重影响人们的健康、工作和生活.建国以来在党和国家的关心和支持下,骨关节结核的诊治水平取得了长足进步.时至今日,由于多种原因,学科发展和被重视程度受到一定的制约,同整个医疗行业的发展不相适应.回顾过去,展望未来,我们需要重新审视骨关节结核的诊治方法,努力推进骨关节结核诊疗技术的科学发展.     

Effect of phosphorylation of MAPK and Stat3 and expression of c-fos and c-jun proteins on hepatocarcinogenesis and their clinical significance

AIM To study the effect of phosphorylation ofMAPK and Stat3 and the expression of c-fos andc-jun proteins on hepatocellular carcinogenesisand their clinical significance.METHODS SP immunohistochemistry was usedto detect the expression of p42/44~(MAPK), p-Stat3,c-fos and c-jun proteins in 55 hepatocellularcarcinomas (HCC) and their surrounding livertissues.RESULTS The positive rates and expressionlevels of p42/44~(MAPK), p-Stat3, c-fos and c-junproteins in HCCs were significantly higher thanthose in pericarcinomatous liver tissues (PCLT).A positive correlation was observed between theexpression of p42/44~(MAPK) and c-fos proteins, andbetween p-Stat3 and c-jun, but there was nosignificant correlation between P42/44~(MAPK) and p-Stat3 in HCCs and their surrounding livertissues.CONCLUSION The abnormalities of Ras/Raf/MAPK and JAKs/ Stat3 cascade reaction maycontribute to malignant transformation ofhepatocytes. Hepatocytes which are positive forp42/ 44~(MAPK), c-fos or c-jun proteins may bepotential malignant pre-cancerous cells.Activation of MAPK and Stat3 proteins may be anearly event in hepatocellular carcinogenesis.     

Effect of phosphorylation of MAPK and Stat3 and expression of c-fas and c-jun proteins on hepatocarcinogenesis and their clinical significance

AIM To study the effect of phosphorylation ofMAPK and Stat3 and the expression of c-fos andc-jun proteins on hepatocellular carcinogenesisand their clinical significance.METHODS SP immunohistochemistry was usedto detect the expression of p42/44MAPK, p-Stat3,c-fos and c-jun proteins in 55 hepatocellularcarcinomas (HCC) and their surrounding livertissues.RESULTS The positive rates and expressionlevels of p42/44MAPK, p-Stat3, c-fos and c-junproteins in HCCs were significantly higher thanthose in pericarcinomatous liver tissues (PCLT).A positive correlation was observed between theexpression of p42/44MAPK and c-fos proteins, andbetween p-Stat3 and c-jun, but there was nosignificant correlation between p42/44MAPK and p-Stat3 in HCCs and their surrounding livertissues.CONCLUSION The abnormalities of Ras/Rat/MAPK and JAKs/ Stat3 cascade reaction maycontribute to malignant transformation ofhepatocytes. Hepatocytes which are positive forp42/ 44MAPK, c-fos or c-jun proteins may bepotential malignant pre-cancerous cells.Activation of MAPK and Stat3 proteins may be anearly event in hepatocellular carcinogenesis.     

Overweight and Obesity and Progression of ADPKD

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Replication and Inhibitors of Enteroviruses and Parechoviruses

The Enterovirus (EV) and Parechovirus genera of the picornavirus family include many important human pathogens, including poliovirus, rhinovirus, EV-A71, EV-D68, and human parechoviruses (HPeV). They cause a wide variety of diseases, ranging from a simple common cold to life-threatening diseases such as encephalitis and myocarditis. At the moment, no antiviral therapy is available against these viruses and it is not feasible to develop vaccines against all EVs and HPeVs due to the great number of serotypes. Therefore, a lot of effort is being invested in the development of antiviral drugs. Both viral proteins and host proteins essential for virus replication can be used as targets for virus inhibitors. As such, a good understanding of the complex process of virus replication is pivotal in the design of antiviral strategies goes hand in hand with a good understanding of the complex process of virus replication. In this review, we will give an overview of the current state of knowledge of EV and HPeV replication and how this can be inhibited by small-molecule inhibitors.     

Effects of sex and time of day on metabolism and excretion of corticosterone in urine and feces of mice

Non-invasive techniques to monitor stress hormones in small animals like mice offer several advantages and are highly demanded in laboratory as well as in field research. Since knowledge about the species-specific metabolism and excretion of glucocorticoids is essential to develop such a technique, we conducted radiometabolism studies in mice (Mus musculus f. domesticus, strain C57BL/6J). Each mouse was injected intraperitoneally with 740 kBq of 3H-labelled corticosterone and all voided urine and fecal samples were collected for five days. In a first experiment 16 animals (eight of each sex) received the injection at 9 a.m., while eight mice (four of each sex) were injected at 9 p.m. in a second experiment. In both experiments radioactive metabolites were recovered predominantly in the feces, although males excreted significantly higher proportions via the feces (about 73%) than females (about 53%). Peak radioactivity in the urine was detected within about 2h after injection, while in the feces peak concentrations were observed later (depending on the time of injection: about 10h postinjection in experiment 1 and about 4h postinjection in experiment 2, thus proving an effect of the time of day). The number and relative abundance of fecal [3H]corticosterone metabolites was determined by high performance liquid chromatography (HPLC). The HPLC separations revealed that corticosterone was extensively metabolized mainly to more polar substances. Regarding the types of metabolites formed, significant differences were found between males and females, but not between the experiments. Additionally, the immunoreactivity of these metabolites was assessed by screening the HPLC fractions with four enzyme immunoassays (EIA). However, only a newly established EIA for 5alpha-pregnane-3beta,11beta,21-triol-20-one (measuring corticosterone metabolites with a 5alpha-3beta,11beta-diol structure) detected several peaks of radioactive metabolites with high intensity in both sexes, while the other EIAs showed only minor immunoreactivity. Thus, our study for the first time provides substantial information about metabolism and excretion of corticosterone in urine and feces of mice and is the first demonstrating a significant impact of the animals' sex and the time of day. Based on these data it should be possible to monitor adrenocortical activity non-invasively in this species by measuring fecal corticosterone metabolites with the newly developed EIA. Since mice are extensively used in research world-wide, this could open new perspectives in various fields from ecology to behavioral endocrinology.     

荣宝和氯硝柳胺灭螺效果比较及成本分析

目的 评价新型灭螺药物荣宝杀灭钉螺的效果,探讨其推广应用价值.方法 按目前推荐的荣宝灭螺剂量,喷洒法为30 g/m2,浸杀法为50 g/m3;氯硝柳胺喷洒法和浸杀法分别采用2 g/m2和2 g/m3杀螺剂量,分别在室内和现场进行灭螺试验,观察两种药物的灭螺效果并初步分析评估其成本.结果 在现场气温22～30℃条件下,荣宝50 g/m3浸杀3、5、7 d后,螺袋内钉螺校正死亡率均达到100.0%,与氯硝柳胺2 g/m3灭螺效果相似;荣宝30 g/m2剂量喷洒3、5、7、15 d后,钉螺校正死亡率分别为54.5%、58.0%、69.0%、79.1%,氯硝柳胺喷洒组钉螺校正死亡率分别为61.0%、69.4%、76.7%、77.9%.在室温18℃条件下,荣宝以30 g/m2喷洒3、5、7、15 d后,钉螺校正死亡率分别为72.9%、87.2%、91.5%、76.1%;而相应2 g/m2氯硝柳胺喷洒后的钉螺校正死亡率分别为81.3%、95.7%、97.9%、80.4%.同样完成1000 m2的喷洒灭螺任务,荣宝所需灭螺药物和人力资费成本比氯硝柳胺多支出0.114元/m2;完成72 m3的浸杀灭螺任务,荣宝所需灭螺药物和人力资费成本比氯硝柳胺多支出0.127元/m3.50 g/m3荣宝浸杀灭螺剂量,对成鱼(＞250 g)的活力不会造成影响,但对鱼类幼苗仍具较强毒性.结论 荣宝与氯硝柳胺灭螺效果相似,由于其成本较高,氯硝柳胺仍然是目前首选灭螺药物,但荣宝的鱼类毒性低,可作为氯硝柳胺之外有益的补充灭螺药物.     

心电图、心电向量图与冠状动脉造影结果对比分析

目的:通过分析心电图(Electrocardiogram,ECG)和心电向量图(Vectorcardiogram,VCG)的改变与冠脉造影（CAG）结果进行对比,探讨ECG、VCG在冠状动脉病变中的诊断价值。方法: 选择2008年1月~2009年12月临床拟诊断为冠心病患者108例,行常规ECG、VCG检查,并于1周内进行CAG,对检查结果依据各自的诊断标准进行判定,以CAG为标准诊断法,利用四格表法,计算相关评价真实性的指标并进行比较。结果: ①VCG检测的灵敏度、特异度、准确度显著高于ECG(P<0.05,P<0．01)。②ECG、VCG阳性率与冠脉病变支数组间比较:在单支病变、双支病变中,VCG阳性率明显高于ECG(P<0.05),左主干或三支病变无统计学意义;组内比较:ECG组左主干或三支病变组较单支病变、双支病变阳性率高(P<0.05,P<0.01);VCG组左主干或三支病变组较单支病变阳性率高(P<0.05);与双支病变阳性率比较无统计学意义;③ECG、VCG阳性率与冠脉病变程度组间比较:冠脉病变狭窄50%～69%的VCG阳性率明显高于ECG (P<0.05),其他两组阳性率比较无统计学意义;组内比较:ECG组冠脉病变狭窄≥90%较50%～69%、70%～89%的阳性率高(P<0.05,P<0.01); VCG组狭窄≥90%较50%～69%阳性率高（P<0.01),其他无统计学意义。结论: VCG对冠心病检测价值显著高于ECG。     

血清C-反应蛋白和红细胞分布宽度在AECOPD与稳定期的变化及意义

目的观察慢性阻塞性肺疾病(COPD)患者急性加重期入院、出院时血清C-反应蛋白(CRP)和红细胞分布宽度(RDW)与正常人的差异。方法分别检测健康老年组(年龄≥65岁)、COPD急性加重期患者入院、出院时CRP和RDW水平,比较组间各指标的差异。结果急性加重期患者入院、出院时CRP和RDW水平均高于健康老年组,入院时CRP水平高于出院时(P0.01),入院、出院时RDW水平无统计学差异。结论 CRP和RDW可一定程度评估COPD病情及反映病情变化。