c-erbB_2蛋白在大鼠睾丸中的分布

用免疫组织化学方法观察原癌基因蛋白 c- erb B2 在大鼠睾丸中的分布。结果 :未成年大鼠睾丸生精上皮细胞和间质细胞中均未见 c- erb B2 免疫染色阳性颗粒 ;成年大鼠睾丸曲细精管中的圆形精子细胞、精子和残体均可见 c-erb B2 蛋白存在。提示原癌基因 c- erb B2 的活性可能参与     

癌基因c—erbB2在妊娠滋养细胞疾病中的表达及其临床意义

目的 探讨癌基因c-erbB2在妊娠滋养细胞疾病组织中的表达及不同临床期别情况下表达的差异,以期达到对妊娠滋养细胞疾病转归的预测。方法 实验采用针对c-erbB2基因表达产物的单克隆抗体进行SABC免疫组织化学染色,回顾性检测分析30例不同妊娠期正常胎盘、21例葡萄胎、21例侵蚀性葡萄胎及20例绒癌中该基因产物的表达情况。结果 c-erbB2在侵蚀性葡萄胎和绒癌中的表达明显高于葡萄胎及妊娠中晚期正常胎盘（P＜0．05）;c-erbB2在临床Ⅲ、Ⅳ期患者中的表达高于Ⅰ、Ⅱ期患者,但差异无统计学意义。结论 c-erbB2的过度表达与葡萄胎恶变紧密相关,对于妊娠滋养细胞肿瘤的早期诊断、早期治疗及预后评估具有重要的临床意义。     

青春期精索静脉曲张模型大鼠生精细胞凋亡的研究

目的研究精索静脉曲张对青春期大鼠生精细胞凋亡的影响及生精细胞凋亡与Bcl-2/Bax表达的关系,以探讨精索静脉曲张影响睾丸生精功能的机制。方法通过部分结扎左肾静脉建立青春期大鼠左侧精索静脉曲张模型,采用原位末端脱氧核苷酸转移酶标记法检测睾丸生精细胞凋亡情况及免疫组化SABC法检测Bcl-2/Bax的表达情况。结果试验组细胞凋亡指数显著高于对照组(P<0.05),且双侧睾丸组织内均见大量生精细胞凋亡。试验组Bcl-2表达较对照组低,左侧睾丸比右侧睾丸低;而Bax表达较对照组高,左侧睾丸比右侧睾丸高。结论精索静脉曲张可明显改变青春期大鼠凋亡相关基因Bcl-2/Bax的表达,导致双侧睾丸生精细胞凋亡增加,这可能是精索静脉曲张影响睾丸生精功能的机制之一。     

低强度电磁场对大鼠生精上皮超微结构的影响

目的观察低强度电磁场对大鼠睾丸生精上皮超微结构的影响。方法20只雄性Wistar大鼠,随机分为对照组和实验组,实验组暴露于0.1mT电磁场中,12周后处死动物迅速取出睾丸,锋利预冷刀片切开,取1 mm×1 mm×2 mm的组织于戊二醛磷酸缓冲液固定,超薄切片,透射电镜观察睾丸生精上皮超微结构变化。结果与对照组比较,实验组大鼠电镜下生精细胞排列出现紊乱,精原细胞内细胞器变性多见;支持细胞线粒体空泡化,嵴消失,内质网肿胀。结论低强度电磁场可导致大鼠睾丸生精上皮超微结构损伤。     

年龄相关分子波形蛋白在不同月龄大鼠睾丸和附睾中的表达

目的：检测年龄相关分子波形蛋白在不同月龄大鼠睾丸和附睾组织中的表达差异,研究睾丸和附睾在成熟和衰老过程中特征性分子表达的规律性改变,为研究男性生殖系统衰老提供实验依据。方法：运用免疫组织化学方法检测6月龄、12月龄、24月龄大鼠睾丸和附睾组织中波形蛋白抗体免疫反应强度,并对其进行比较分析。结果：波形蛋白在睾丸和附睾组织中表达模式为6月龄大鼠睾丸和附睾组织中低表达,24月龄大鼠睾丸和附睾组织表达明显上调（P〈0．05）。结论：波形蛋白表达随月龄增加而明显增强。说明睾丸和附睾组织的衰老与细胞和细胞信号转导异常密切相关。     

iNOS在大鼠性成熟期睾丸组织的表达变化及意义

目的：探讨诱导型一氧化氮合酶（iNOS）在雄性SD大鼠性成熟期睾丸中的表达变化情况及意义。方法：选取出生后5周、7周和10周的雄性SD大鼠各6只,左侧睾丸行石蜡切片,运用免疫组化ABC法观察iNOS在雄性SD大鼠性成熟期睾丸中的表达变化情况。结果：1出生后5周,iNOS睾丸间质细胞阴性表达。2出生后7周,绝大部分生精小管断面有精子发生,iNOS睾丸间质细胞弱阳性表达,精母细胞阳性表达。3出生后10周,iNOS睾丸间质细胞强阳性表达,精母细胞阳性表达。结论：在雄性SD大鼠的睾丸间质细胞中,随着性成熟发育iNOS的表达渐强。     

红外线对大鼠生精上皮超微结构的影响

目的观察红外线对大鼠睾丸生精上皮超微结构的影响。方法采用不同波段的红外线对大鼠的睾丸局部照射,并与对照组进行比较,采用透射电镜观察睾丸生精上皮超微结构变化。结果与对照组比较,实验组大鼠电镜下生精细胞排列紊乱,精原细胞内细胞器变性多见;支持细胞线粒体空泡化,嵴消失,内质网肿胀。结论红外线可导致大鼠睾丸生精上皮超微结构损伤。     

丹参酮ⅡA对自然衰老大鼠睾丸生殖细胞的损害机制

目的探讨丹参酮ⅡA对自然衰老大鼠睾丸生殖细胞的损害机制。方法 SPF级雄性SD大鼠40只。6月龄大鼠10只作为青年对照组,18月龄大鼠作为自然衰老组(n=10)及丹参酮ⅡA低剂量组(n=10)和高剂量组(n=10)。青年对照组和自然衰老组给予生理盐水灌胃,每日1次,连续灌胃6个月;丹参酮ⅡA低剂量和高剂量组分别给予10 mg/kg和30 mg/kg灌胃,每日1次,连续灌胃6个月。比较各组睾丸重量和睾丸指数、睾丸组织形态学、Bcl-2和Bax表达。结果与青年对照组比较,自然衰老组、丹参酮ⅡA低剂量组和高剂量组大鼠睾丸重量降低(P0.05);与自然衰老组比较,丹参酮ⅡA低剂量组和高剂量组大鼠睾丸重量增加(P0.05);丹参酮ⅡA高剂量组大鼠睾丸重量高于低剂量组(P0.05)。与青年对照组比较,自然衰老组、丹参酮ⅡA低剂量组和高剂量组大鼠睾丸指数降低(P0.05);与自然衰老组比较,丹参酮ⅡA低剂量组和高剂量组大鼠睾丸指数增加(P0.05);丹参酮ⅡA高剂量组大鼠睾丸指数高于低剂量组(P0.05)。青年对照组大鼠睾丸组织生精小管界膜完整,并且基膜内能够见排列整齐的各级生精细胞;自然衰老组大鼠睾丸组织生精小管形态结构出现显著变化,生精小管部分增厚,生精细胞层数减少,并且内细胞稀疏,间隙增大;丹参酮ⅡA低剂量和高剂量大鼠睾丸组织相比于自然衰老组,生精小管结构及生精细胞数目显著改善。与青年对照组比较,自然衰老组、丹参酮ⅡA低剂量组和高剂量组大鼠Bcl-2表达降低而Bax表达上升(P0.05);与自然衰老组比较,丹参酮ⅡA低剂量组和高剂量组大鼠睾丸Bcl-2表达升高而Bax表达下降(P0.05);丹参酮ⅡA高剂量组大鼠Bcl-2表达高于低剂量组而Bax表达低于低剂量组(P0.05)。结论丹参酮ⅡA对自然衰老大鼠睾丸生殖细胞损害具有一定保护作用,可抑制衰老造成大鼠睾丸生殖细胞的凋亡,机制可能与上调Bcl-2蛋白和下调Bax蛋白表达相关。     

尿道下裂大鼠与正常大鼠睾丸蛋白质二维电泳图谱分析

目的:探讨二维电泳技术在尿道下裂大鼠与正常大鼠睾丸差异表达蛋白研究中的应用.方法:孕SD大鼠10只,随机分为2组,妊娠12～19天,实验组和对照组分别予邻苯二甲酸二丁酯(DBP)500mg/(kg·d)、大豆油5 ml/d灌胃,第2l天取出仔鼠睾丸,提取总蛋白,进行二维凝胶电泳分离和图像分析.结果:按照5倍的表达量计算,发现有差异表达的蛋白质点9个,5个点在尿道下裂大鼠睾丸中高表达,而在正常大鼠睾丸为低表达;相反,在正常大鼠睾丸中高表达的4个点,在尿道下裂者为低表达.结论:初步建立了正常和尿道下裂大鼠睾丸的二维电泳图谱,并发现两者之间存在一些差异表达蛋白,为进一步进行尿道下裂大鼠睾丸差异表达蛋白的分离及鉴定奠定了良好基础.     

一氧化氮合酶在不同年龄大鼠睾丸中的表达

目的研究一氧化氮合酶(NOS)在不同年龄大鼠睾丸中的表达情况，探讨NO在睾丸生殖功能中的作用。方法将健康雄性Wistar大鼠按月龄分为成年组和未成年组，4％多聚甲醛灌流固定，取大鼠睾丸，常规石蜡切片，免疫组化SABC法检测NOS在不同年龄大鼠睾丸中的表达。结果成年组大鼠睾丸间质细胞和间质血管中均有nNOS、iNOS和eNOS阳性物质表达，生精小管周围肌样细胞和腔面精子可见nNOS阳性物质；未成年组大鼠睾丸间质血管中偶见iNOS和eNOS阳性物质表达。结论3种NOS在睾丸中均有表达，但定位不同，且与年龄相关。     

Value of D-Dimers in patients with acute aortic dissection

Objective: To evaluatel the value of D-dimers in patients with acute aortic dissection (AAD). Methods: This study consisted of 16 patients with AAD and 27 non-AAD patients. Serum D-dimets were measured by Sta-Liatest D-DI immunoturbidimetric assay. Results: D-dimer level was higher (P ＜ 0.001) in patients with AAD(7.91 ± 5.52 μg/ml) than that in non- AAD group(1.57±1.24 μg/ml). D-dimer was positive (＞0.4 μg/ml) in all patients with AAD and in 10 control group patients (37%). Among patients with acute AAD, D-dimers tended to be higher in Stanford A than in Stanford B (8.67 ± 4.31 μg/ml vs. 3.24±1.27 μg/ml, P ＜0.01). D-dimer values tended to be higher in more extended disease(3.84 ± 1.65 μg/ml, 8.57 ± 3.58 μg/ml and 11.87 ± 5.69 μg/ml in thoracic aorta, thoracic and abdominal aorta, thoracic and abdominal aorta and iliacal arteries, respectively, P ＜ 0.05 for both 8.57 ± 3.58 and 11.87 ± 5.69 vs. 3.84 ± 1.65 ). Including the control group into the analysis, we found a sensitivity of 100%, a negative predictive value of 100%, and a specificity of 66% and a positive predictive value of 64% for D-dimer in diagnosis of AAD in our patients with suspected AAD. Conclusion: D-dimer was elevated in patients with AAD. A negative D-dimer test result could be useful in excluding AAD.     

Research of combined liver-kidney transplantation model in rats

Objective： To set up a simple and reliable rat model of combined liver-kidney transplantation. Methods： SD rats served as both donors and recipients. 4℃ sodium lactate Ringer＇s was infused from portal veins to donated livers,and from abdominal aorta to donated kidneys, respectively. Anastomosis of the portal vein and the inferior vena cava （IVC） inferior to the right kidney between the graft and the recipient was performed by a double cuff method, then the superior hepatic vena cava with suture. A patch of donated renal artery was anastomosed to the recipient abdominal aorta. The urethra and bile duct were reconstructed with a simple inside bracket. Results： Among 65 cases of combined liver-kidney transplantation, the success rate in the late 40 cases was 77.5%. The function of the grafted liver and kidney remained normal. Conclusion： This rat model of combined liver-kidney transplantation can be established in common laboratory conditions with high success rate and meet the needs of renal transplantation experiment.     

APPLICATION OF LORNOXICAM TO PATIENT-CONTROLLED ANALGESIA IN PATIENTS UNDERGOING ABDOMINAL SURGERIES

FOR anesthesiologis s ,treatingpostoperativepainhas alwaysbeen a problem.Althoughopioidshave been provedtobe effective,theirsideeffectscouldnotbeignored.With thedevelopmentofscienceand pharmacology,many drugs with aspectsof satisfactoryanalgesicefficacyand couldbe welltoleratedby patientshave been developed.And lornoxicamisone of them, which isa non-steroidalanti-inflammatorydrug (NSAID ), with analgesic, anti-infl-ammatory,andantipyreticproperties.Itseliminationhalf-time(3 to 5 hours) isle…     

安心颗粒对急诊经皮冠状动脉介入术后生活质量影响的研究

目的：评价使用安心颗粒对急诊经皮冠状动脉介入术（PPCI）术后生活质量的影响.方法：将160例接受PPCI的急性ST段抬高型心肌梗死患者随机分为安心颗粒组（术前顿服安心颗粒8.8g,术后安心颗粒4.4 g/次,每日2次）和对照组（仅接受基础药物治疗）.所有患者均服用阿司匹林、氯吡格雷和阿托伐他汀.分别在入院时、出院前1d、出院后180 d时,应用心肌梗死多维度量表（MIDAS）、中文版SF-36评价量表对患者生活质量评分.并观察术后30 d以内的出血并发症、血小板减少症发生情况.结果：入院时和出院前1d,两组患者的心肌梗死MIDAS、SF-36量表评分比较无差异（P＞0.05）;出院后180 d时,与对照组比较,安心颗粒组MIDAS、SF-36评分明显减低（P＜0.05）;组内与入院时比较,两组出院前1d、出院后180 d时,MIDAS、SF-36评分均降低（P＜0.05）.两组患者在随访期间均无大量出血、少量出血、重度和极重度血小板减少症发生,安心颗粒组有4例、对照组有7例发生不明显出血（P＞0.05）.两组发生轻度血小板减少症的患者数比较无差异（P＞0.05）.结论：PPCI使用安心颗粒,能改善急性ST段抬高型心肌梗死患者的生活质量,且不增加出血风险.     

The comparative studies of the influences of Urapidil and Nicardipine on sino-atrial node function, atrio-ventricular node function and hemodynamics

Objective:To investigate the influences of urapidil and nicardipine on rabbit sinus function,atrio-ventricular node function and hemodynamics.Methods:Thirty-two Angora's rabbits were selected and randomly divided into four groups.U1 group:urapidil 0.25 mg/kg;U2 group:urapidil 0.5 mg/kg;N1 group:nicardipine 10 μg/kg;N2 group:nicardipine 20 μg/kg.All these medicine were administrated within 30 seconds.Measurements were taken before and after the administration of urapidil or nicardipine for the following data:mean blood pressure(MAP),heart rate(HR),sino-atrial conduction time(SACT),maximal sinoatrial recovery time(SNRTmax)corrected sinus node recovery time(CSNRT),index of sinus node recovery time(SNRTI),Wenckebach A-V conduction frequency (WB),and P-R interval.Results:Significant MAP and HR changes were identified in all of the four groups before and after administration of both urapidil and nicardipine.No significant changes could be found in the rest of the parameters.Intergroup analysis showed that SACT and CSNRT of N1 and N2 groups were shorter than those of the U2 group(P＜0.01);the MAP decreased(P＜0.01)and the HR increased drastically(P＜0.01).Conclusions:Neither urapidil(0.25 mg/kg,0.5 mg/kg)nor nicardipine(10μg/kg,20μg/kg)has any significant influence on rabbit sinus function or rabbit atrio-ventricular node function.Nicardipine could be a better choice than urapidil for parafunctional sinus node patients.     

Expression of OPGmRNA and ODFmRNA in the patients of hip fracture due to osteoporosis

Objective：To investigate the gene expression of osteoprotegerin（OPG） and osteoclast differentiation factor（ODF） in the bone tissue of patients with hip fracture due to osteoporosis. Methods：OPGmRNA and ODFmRNA in the bone tissue in 50 cases of osteoporosis sufferers（over 50 years old） with hip fracture（Observer Group） and 30 cases of hip facture sufferers with no osteoporosis（Control group） were analyzed with the Semi-Quantitative RT-PCR method. Results：The mRNA expressed of ODF, OPG were both high in the patients with hip fracture. In the control group, the expression of OPG mRNA was observed, while the expression of ODF mRNA was very slight. Conclusion：Aged patients contained all signals including OPG, ODF that are essential for inducing osteoclastogenesis and promoting bone resorption.     

The clinicopathological and immuohistochemical analysis of solid-pseudopapillary tumor of the pancreas： report of 9 cases

Objective：To investigate the clinical features, pathological characteristics and immunophenotype of solid-pseudopapillary tumor of the pancreas（SPTP）. Methods：Nine surgically treated cases of SPTP were retrospectively reviewed. Hematoxylin and Eosin（HE） staining and immunohistochemical staining were used to analyze all cases, and the general clinical data was collected. Results：Six patients were asymptomatic except for a palpable mass. Two patients complained of vague-epigastric pain. One patient appeared jaundice. The tumor was encapsulated and solid tissues alternately with cystic tissues. Histologically, the histological structure of solid portion was pseudopapillary with a fibrovascular core. Tumor cells were uniform and medium-sized which were arranged in sheets ets or nests or pseudopapillary patterns. Immunohistochemical studies demonstrated that SPTP proved positive in vimentin（9/9 cases）, AAT（9/9 cases）, NSE（9/9 cases）, ACT（7/9 cases）, CK20（2/9 cases）, CgA（1/9 cases）, S-100（3/gcases）, PR（4/gcases）, Syn（3/9 cases） and CD56（5/9cases）, negative in CEA and ER. Conclusion：SPTP is a tumor predominantly occurring in young women frequently without special symptoms. This tumor has various characteristical histological patterns with different immunophenotype.     

Acupuncture Combined with Spinal Tui Na for Treatment of Primary Dysmenorrhea in 30 Cases

Objective: To observe the therapeutic effects in acupunture treatment of primary dysmenorrhea combined with spinal Tui Na, and study its mechanism. Methods: Thirty cases of the treatment group were treated by acupuncture combined with spinal Tui Na, and thirty cases in the control group were treated by routine acupuncture. Results: The total effective rate was 93.3% in the treatment group, and 73.3% in the control group, with a significant difference between the two groups (P<0.05). Conclusions: Acupuncture combined with spinal Tui Na has good prospects for treatment of primary dysmenorrhea.     

Luo Lingjie's Experience in Treating Chronic Nephropathy

In treating chronic nephropathy,Luo Lingjie,a chief physician,pays attention to regulating the balance between yin and yang,treating infection if present,and removing pathogenic factors.He prescribes gentle drugs and uses carefully strongly warming-tonifying ones,emphasizes the importance of persuading the patient to persist in treatment with medication and nurse one's health for recuperation,and is good at combined use of TCM and western medicine therapy and brings the merits of various therapies into full play,with obvious theraoeutic effects.     

Dr.Zhang Ren's Experience in the Acupuncture Treatment of Different Diseases with the Same Therapeutic Principle

Dr.Zhang Ren,the chief physician,is the chairman of Shanghai Acupuncture and Moxibustion Association.Having been engaged in medicine for about 40 years,he is experienced in treating various intractable diseases.In his long years of clinical practice,he advocates taking the TCM differentiation as the basis to seek for the acupuncture method for treatment of modern intractable diseases.The author of this essay had the fortune to follow Dr.Zhang in study.The following is a summary of Dr.Zhang's experience in the acupuncture treatment for different intractable diseases with the same therapeutic principle.