宫颈鳞状上皮病变中HPV感染与P16、Ki-67蛋白表达

目的：探讨HPV在宫颈鳞状上皮病变中的感染情况及其与P16、Ki-67蛋白表达的关系。方法：采用原位杂交及免疫组化方法,检测HPV、P16和Ki-67蛋白在200例不同程度宫颈鳞状上皮病变中的表达情况。结果：HPV在宫颈鳞状上皮病变中总检出率为64%（128/200）,HPV 6/11在尖锐湿疣组中检出率最高,HPV 16/18在宫颈鳞状细胞癌、CIN组中尤其在CINⅡ～Ⅲ组中阳性率显著性增高。随着宫颈病变程度的加重,P16和Ki-67蛋白的阳性表达也呈递增趋势。结论：高危型HPV16/18感染与宫颈鳞状上皮内瘤变密切相关;抑癌基因P16蛋白的表达上调参与蛋白对宫颈鳞状细胞癌的发生发展过程;P16蛋白还可作为鉴别宫颈肿瘤性及非肿瘤性增生的标记物;联合检测P16和Ki-67蛋白对宫颈CIN的诊断及分级具有辅助诊断价值。     

P16、Ki-67表达与不同级别宫颈鳞状上皮内病变相关性研究

目的探讨P16与Ki-67在不同级别宫颈鳞状上皮内病变中的表达及其相关性。方法选取2015-11至2017-06病理科检测的宫颈标本230例(其中25例病理确诊为宫颈炎症,36例为低级别鳞状上皮内病变,169例为高级别鳞状上皮内病变),分别行免疫组织化学染色标记P16、Ki-67,检测其在不同宫颈组织的表达情况。结果 P16、Ki-67在宫颈炎中阳性表达率显著低于宫颈鳞状上皮内病变者,低级别鳞状上皮内病变表达率低于高级别者,P0.05。结论 P16与Ki-67的表达与宫颈不同级别的病变具有显著相关性,联合检测P16、Ki-67有助于宫颈癌前病变的分级诊断。     

p16/Ki67双染在宫颈病变患者筛查中的价值

目的探究p16/Ki67免疫染色在宫颈病变患者筛查中的价值。方法选择2017年1月至2020年1月在深圳市宝安区福永人民医院就诊的宫颈病变患者80例为研究对象,采集细胞标本进行p16/Ki67双染和人乳头瘤病毒(HPV)检测,计算两种检测方法在宫颈病变诊断中的敏感性和特异性。结果 80例研究对象中p16/Ki67检测显示阳性者共45例,意义不明的不典型鳞状细胞(ASC-US)、不能排除高度上皮内病变的不典型鳞状上皮(ASC-H)、低度鳞状上皮内病变(LSIL)和高度鳞状上皮内病变(HSIL)分级患者中p16/Ki67阳性比例分别为45.76%(27/59)、75.00%(3/4)、85.71%(12/14)和100.00%(3/3),宫颈病变越严重,p16/Ki67检测阳性率越高(P0.05);HPV阳性共54例,ASC-US、ASC-H、LSIL和HSIL分级患者中HPV阳性比例分别为66.10%(39/59)、50.00%(2/4)、71.43%(10/14)和100.00%(3/3),不同宫颈病变分级患者的HPV阳性率间差异无统计学意义(P0.05);p16/Ki67双染诊断LSIL及以上病变的敏感性为88.24%,特异性为52.38%,HPV检测的敏感性为76.47%,特异性为34.92%,p16/Ki67和HPV检测的敏感性间差异无统计学意义(P0.05),特异性间差异有统计学意义(P0.05)。结论 p16/Ki67阳性率与宫颈病变程度有关,p16/Ki67染色对宫颈癌病变诊断的敏感性和特异性较高,临床上可用于宫颈癌筛查的辅助诊断,值得推广应用。     

P16、Ki-67在宫颈鳞状上皮内病变中的表达及其意义

目的:研究P16、Ki-67在萎缩性宫颈、鳞状上皮化生及宫颈鳞状上皮内病变(SIL)中的表达情况,探讨16、Ki-67在鉴别上述病变中的应用。方法:选取50例萎缩性宫颈、50例鳞状上皮化生及150例SIL,其中低级别鳞状上皮内病变(LSIL)病变50例,高级别鳞状上皮内病变(HSIL)病变100例。应用免疫组化SP法检测P16及Ki-67在上述组织中的表达,统计其阳性率及表达模式,分析其在鉴别上述病变中的意义。结果:P16、Ki-67在萎缩性宫颈、鳞状上皮化生仅在基底层及副基底层可见少量细胞阳性表达,P16阳性率分别为:10%、14%;Ki67阳性率分别为:14%、16%。P16、Ki-67在SIL中呈阳性表达,阳性率分别为:86.7%、88.0%。与萎缩性宫颈、鳞状上皮化生的阳性率比较,差异有显著统计学意义(P<0.05)。在表达模式上,LSIL中P16、Ki-67阳性细胞散在分布于上皮下1/3,表层一般无阳性表达的细胞。HSIL中P16、Ki-67阳性细胞较多,阳性细胞可分布于上皮表层,乃至上及全层。结论:P16、Ki-67可协助鉴别萎缩性宫颈、鳞状上皮化生及SIL,而且其表达模式能协助鉴别LSIL与HSIL。     

CyclinD1，Ki67和HPV在宫颈鳞癌中表达的临床意义

目的：探讨宫颈浸润性鳞状细胞癌（1SEE）中细胞周期素D1（CyclinDI）、Ki67及高危型人乳头瘤病毒（HPV）的表达,分析它们在宫颈鳞癌发生、发展中的作用。方法：73例ISCC、30例高级别上皮病变（HSIL）、32例低级别上皮内病变（LSIL）和21例正常宫颈组织（NCE）应用组织微阵列法制作组织芯片,采用原位杂交法检测HPV16／18、31／33DNA的表达;免疫组织化学检测cy—clinD1和Ki67蛋白的表达。结果：HPV16／18,31／33在宫颈病变中总体表达有统计学差异（P〈0．01）;宫颈鳞癌HPV16／18阳性患者易发生脉管癌栓,HPV31／33阳性患者临床期易进展。CyclinD1和Ki67在宫颈病变总体表达有统计学差异（P〈0．01）;宫颈鳞癌年龄增高分期增加。结论：HPV16／18、31／33的感染与宫颈鳞癌的发生密切相关,并与进展有关Ki67可作为宫颈病变诊断的客观参考指标。     

组合性抗体在分流ASC-US病变中的应用价值

目的 探讨组合性抗体在分流非典型磷状细胞(ASC-US)病变中的临床应用价值。方法 选择本院接受宫颈脱落细胞学检查的240例ASC-US患者,经HR-HPV与TCT检测将患者分为低级别鳞状上皮内病变(LSIL)组与高级别鳞状上皮内病变(HSIL)组,采用免疫组化法检测联合抗体P16/SOX-2、P16/Ki67,分别进行HPV E6/E7 mRNA检测,所有病例行阴道镜宫颈活检,比较组合性抗体检测敏感度及特异度。结果 LSIL组和HSIL组患者组织中SOX-2/P16联合表达阳性率均显著高于组内SOX-2表达、P16表达阳性率(P<0.05)。LSIL组和HSIL组患者组织中P16/Ki-67联合阳性率均显著高于组内P16、Ki-67阳性率(P<0.05)。LSIL组HPV E6/E7阳性率均低于组内P16/Ki-67阳性率(P<0.05),HSIL组患者组织中HPV E6/E7阳性率均低于组内SOX-2/P16和P16/Ki-67阳性率(P<0.05)。SOX-2/P16诊断ASC-US敏感度为92.2%,特异度为55.9%;SOX-2/P16诊断ASC-US...     

EGFR、Ki67和P16在宫颈鳞状上皮内病变分级中的应用

目的:探讨EGFR、Ki67和P16在宫颈鳞状上皮内病变(SIL)分级中的应用。方法:应用免疫组化SP法标记60例宫颈鳞状上皮化生、70例低级别宫颈上皮内病变(LSIL)和80例高级别宫颈上皮内病变(HSIL)中EGFR、Ki67和P16的表达。结果:EGFR、Ki67和P16在鳞状上皮化生、LSIL和HSIL中的蛋白表达比较,差异均有统计学意义(P0.05),且均以HSIL为最高,LSIL次之,鳞状上皮化生为最低。EGFR、Ki67和P16在LSIL、HSIL中的表达模式比较,差异均有统计学意义(P0.05)。相关性分析显示,EGFR、Ki67和P16在鳞状上皮化生与LSIL中蛋白表达两两比较,均无明显相关(P0.05),EGFR、Ki67和P16在鳞状上皮化生与HSIL中蛋白表达两两比较,均无明显相关(P0.05),EGFR、Ki67和P16在LSIL与HSIL中蛋白表达两两比较,均呈正相关(P0.05)。结论:应用免疫组化SP法标记三种蛋白可作为SIL分级的参考指标,同时结合LSIL和HSIL的分布特征,以降低假阳性率,提高诊断分级的准确性。     

EGFR、P16、Ki67和P53在宫颈鳞状上皮内瘤变和宫颈鳞状细胞癌中表达的临床意义

目的探讨EGFR、P16、Ki67和P53在宫颈病变组织中的表达及临床意义。方法应用免疫组化SP法检测84例宫颈鳞状上皮内瘤变（CIN）和30例宫颈鳞癌中EGFR、P16、Ki67和P53的表达,另选取20例正常宫颈组织作为对照。结果EGFR、P16、Ki67和P53在正常宫颈组织中阳性率分别为10．00％、0、5．00％及5．00％;在CIN中阳性率分别为33．33％、82．14％、54．76％及47．62％;在宫颈鳞癌中阳性率分别为56．67％、100．00％、86．67％及76．67％,差异均有统计学意义（P〈0．05）。EGFR、P16、Ki67和P53表达强度均随宫颈病变的进展而增加,表达均有统计学意义（P〈0．05）。EGFR、P16、Ki67和P53表达在CIN和鳞癌中两两比较均呈显著性正相关（P〈0．05）。结论EGFR、P16、Ki67和P53可能参与了宫颈癌病变的发生及发展,联合检测四者可作为CIN分级与鳞癌诊断的重要参考指标。     

P16与Ki67的表达在子宫颈病变诊断中的应用

目的 探究P16与Ki67的表达在子宫颈病变诊断中的应用.方法 采用回顾性分析的方法,选取2014年8月—2015年12月期间在该院妇科进行治疗的90例子宫颈病变患者作为该研究的对象,其中30例为低级别鳞状上皮内病变(LSIL)(包括CINI,扁平湿疣,尖锐湿疣),30例为高级别鳞状上皮内病变(HSIL)(CINII10例,CINIII20例)、30例子宫颈良性反应性病变(包括不成熟鳞化,上皮萎缩,修复性上皮增生)患者,采用免疫组化SP法对这90例患者的P16以及Ki67表达情况进行检测分析.结果经过HE染色分析,可以发现Ki67表达阳性细胞在宫颈鳞状上皮中的位置分布与子宫颈上皮内瘤变有着一定的相关性,LSIL多分布于下1/3的位置,CINII多分布于下1/3~2/3的位置,而CINIII多分布于>2/3位置,子宫颈良性反应性病变分布于下1/3的基底和副基底层;P16的表达水平在LSIL、HSIL、子宫颈良性反应性病变中的差异有统计学意义(P=0.021<0.05).且P16的表达水平与子宫颈上皮内瘤变的级别呈现出正相关的关系,差异有统计学意义(P=0.013<0.05).结论 P16与Ki67的表达可水平可用于子宫颈良性反应性病变的甄别,还与子宫颈上皮内瘤变的进展联系密切,对P16以及Ki67表达水平的联合检测能够帮助子宫颈病变诊断,可以在临床医学中得以广泛的推广应用.     

宫颈鳞状细胞癌及宫颈上皮内瘤样变组织中HPV16感染与P21waf、Ki67表达的关系及意义

目的：探讨人类乳头瘤病毒（HPV）感染与P21^waf、Ki67表达在人类宫颈鳞癌及其癌前病变中的关系。方法：利用组织芯片技术结合原位杂技术和免疫组化方法，研究了130例正常宫颈组织及宫颈上皮内瘤样变组织和宫颈鳞癌组织中旧V感染以及Ki67、P21^waf表达的情况。结果：①在8／22CINⅠ，7／11CINⅡ，11／13CINⅢ，4／6原位癌，41／52宫颈鳞癌中为HPV16杂交信号阳性，CINⅢ、浸润癌与正常宫颈组织相比，HPV16杂交信号阳性率差异有显著统计学意义（P〈0．05）；②P21^wag在癌组织中的阳性率及强度都低于正常宫颈组织（P〈0．05），且P21^waf的表达与旧V16感染之间为负相关）（P〈0．05，r=-0．337）；③CINⅡ和宫颈浸润性鳞癌与正常宫颈组织相比，Ki67的表达有显著差异，统计学意义（P〈0．05），但Ki67表达与HPV16的感染不具相关性（P〉0．05）；④P21^waf与Ki67的阳性表达在CIN演变到宫颈鳞癌的过程中呈现负相关性（P〈0．05。r=-0．406）。结论：宫颈鳞癌的形成与HPV16的感染、P21^waf的弱表达或阴性表达以及Ki67的高表达有很大关系。HPV16与P21表达为负相关，P21表达与Ki67表达也为负相关。进一步揭示了HPV16引起宫颈癌的作用机制，并且可配合细胞学检查，对宫颈鳞癌的早期诊断具有一定临床价值。     

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.     

BLOOD PRESSURE CHANGE WITH AGE IN SALT-SENSITIVE TEENAGERS

Objective To observe blood pressure change with age in salt-sensitive teenagers whose salt sensitivity were determined by repeated testing.Methods Salt sensitivity was determined through intravenous infusion of normal saline combined with volume-depletion by oral diuretic furosemide in 55 teenagers. After five years, salt sensitivity was re-examined and subject blood pressure was followed up. Blood pressure changes in salt-sensitive teenagers were compared to that of non-salt sensitive teenagers over five years.Results After 5 years, the repetition rate of salt sensitivity determined by intravenous saline loading is 92.7%. In teenagers with salt sensitivity on the baseline, both the systolic blood pressure increments and increment rates were much higher than non-salt sensitive teenagers (12.7±12.1 mmHg vs. 2.8±5.2 mmHg, P＜ 0.01; 12.2%± 12.0% vs. 2.5% ±4.4%, P＜ 0.001,respectively). There was a similar trend for diastolic blood pressure (8.4 ± 6.4 mmHg vs. 3.7 ± 6.4 mmHg, P = 0.052; 13.2% ±10.6 % vs. 6.8%± 10.1%, P = 0.053, respectively).Conclusions Salt sensitivity determined by intravenous saline loading showed good reproducibility. Blood pressure increments with age were much higher in salt-sensitive teenagers than non-salt sensitive teenagers, especially in terms of systolic blood pressure.     

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.     

Dynamic Changes in Serum Estradiol and Progesterone levels in Patients of Premenstrual Syndrome with Adverse Flow of Liver-qi

Objective:To probe into the influence of changes of ovarian hormones on the pathogenesis of the specific sub-type premenstrual syndrome(PMS)and reveal partial microcosmic mechanisms of adverse flow of liver-qi.Methods:Estradiol(E2)and progesterone(P)levels in serum were determined at different phases of menstrual cycle by radioimmunoassay.Results:In the group of PMS with adverse flow of liver-qi.the secretive peak value Of E2 and P at the follicular phase significantly decreased,and the secretive peak value at the luteal phase did not come into being.Conclusions:Low E2 and P secretive peak at the follicular phase and absence of secretive peak at the luteal phase is one of the microcosmic mechanisms of PMS with adverse flow of liver-qi.One of the pathophysiologic mechanisms of specific sub-type PMS is probably the continuous low level of E2and P.     

Real-time Three-dimensional Echocardiography in Assessment of Left Ventricular and Right Ventricular Volumes

Real-time three-dimensional echocardiography (RT3DE)is a new ultrasound technique that enables dynamic threedimensional visualization and quantification of the heart in real time. Investigation of feasibility and methodology of RT3DE in determining left ventricular (LV) and right ventricular (RV) volumes, RT3DE was performed in 35 normal adults using Philips SONOS 7500 system with a 2-4 MHz matrix array transducer. The 60°×60° "pyramid" volume database was obtained and analyzed on a TomTec echo workstation. Both LV and RV volumes were calculated with four 3DE methods (i.e. apical 2, 4, 8, and 16-plane) through manually tracing ventricular endocardial borders in end diastole and end systole. Stroke volumes were then calculated. LV volume was also measured by 2DE Simpson's rule using GE VIVID 7 ultrasound machine.     

SCREENING FOR A 21-CHROMOSOME ABNORMALITY IN PREIMPLANTED EMBRYOS OF ELDERLY WOMEN

Increasing maternal age is the only etiological factor unequivocally linked to Down's syndrome in humans. The occurrence rate of newborns with Down's syndrome is about 1/220 in women over 35 years old. However, the occurrence rate in embryos fertilized in vitro, of the elder woman is unclear. Using FISH we screened the number of chromosome 21 in preimplanted embryos of 5 elderly women (average age, 38.4 years) to study the feasibility and necessity of screening trisomy 21 in embryos in patients over 35 years old at the in vitro fertilization (IVF) center.