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阳性单位
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  positive unit
     Th e results of semi quantitative analysis showed that the positive unit of posit ive bcl xL protein in myocardial tissue was obviously higher in the study grou p than in the control group(19.66± 4.62,8.89± 2.16,t=- 5.98,P< 0.01).
     半定量分析显示,实验组的心肌组织内bcl-xL蛋白表达阳性单位值明显高于对照组(19.66±4.62,8.89±2.16,t=-5.98,P<0.01)。
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     [Results]The expression of bcl-xL protein (Positive unit,PU)was increased to (17.84±3.42) PU.
     【结果】转染rAd-bcl-xL/s的心肌细胞表达bcl-xL蛋白阳性单位(PU)(17.84±3.42)明显高于正常对照组(11.02±2.56)与rAd-bcl-xL/as转染组(8.53±2.25)(P<0.01);
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     Some clinical pathological indexes were also analyzed. Results The CD44v6 and MMP-2 positive unit (PU) were higher in cancer than in paracancerous or normal tissues ,while nm23-H1 positive unit (PU) was lower in cancer than in paracancerous or normal tissues (P<0. 05) .
     结果 24例结直肠癌组织中 CD44v6、MMP-2的阳性单位(PU值)高于癌旁和正常组织(P<0.05),而 nm23-H1的 PU值则低于癌旁和正常组织(P<0.05)。
短句来源
     After 21 days, immunohistochemistry method was used to detect the expression of Tau PS202,Tau PS396,Tau PS404 and βcells in cortex and hippocampus of rats and calculate the positive unit(PU).
     21d后,采用免疫组化方法观测各组大鼠大脑皮质和海马区的Tau-PS202,Tau-PS396,Tau-PS404及糖原合成激酶β的阳性表达,计算免疫组化阳性单位(PU)。
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     The positive unit of peroxisome proliferator-activated receptor alpha in fat-storing cells was 24.69±4.88,significant higher than in other three groups (P<0.01).
     免疫组织化学观察到贮脂细胞中PPARα的阳性单位值(PU)为24.69±4.88,较对照组和其余两组明显增高,差异有统计学意义(P<0.01)。
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  positive units
     (2) In PROM and control groups,positive units of Caspase-8 expression were 6.89±0.19 and 2.33±0.06,positive units of Bcl-2 expression were 9.55±0.24 and 21.37±0.32.There were significant differences in expression of Caspase-8 and Bcl-2 between PROM and control group(P<0.01);
     (2)在胎膜早破组的胎膜组织中Caspase-8表达的阳性单位为6.89±0.19,对照组为2.33±0.06(P<0.01); 而Bcl-2表达的阳性单位为9.55±0.24,对照组为21.37±0.32(P<0.01);
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     Results The number TTF-1 positive units (PU) was smaller in the nuclei of embryonic pneumocytes than in those of normal adult type Ⅱ alveolar epithelial cells (P<0.001).
     结果胚胎肺泡上皮细胞核TTF-1阳性单位(PU)值小于正常成人肺泡Ⅱ型上皮细胞核TTF-1的PU值(P<0.001);
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     The expression of hepatic RANTES in normal control,mild,moderate and marked chronic hepatitis B group were 3.7±1.5,15.6±6.9,24.0±4.0 and 37.9±11.1 positive units. From normal control group to serious chronic hepatitis B group,hepatic RANTES level increased gradually and the differences between each group were significant(P<0.05).
     正常对照和轻、中、重慢性乙型肝炎患者肝脏组织趋化因子RANTES水平分别3.7±1.5,15.6±6.9,24.0±4.0,37.9±11.1阳性单位值,随着慢性乙型肝炎患者临床分度的增加,肝组织RANTES的表达强度逐渐升高且各级之间比较差异均具有统计学意义。
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     Results: In the IF group, the positive units (PU) of the expression of Hoxa-10 mRNA in early-and mid-secretory endometria had no significiant difference.
     结果 :不明原因不孕组分泌早中期子宫内膜上Hoxa 10mRNA表达的灰度阳性单位 (PU)值无显著差异 ;
短句来源
     Methods The TTF-1 expression intensity (in positive units, PU) in paraffin-embedded tissue blocks was determined using immunohistochemical SP method in combination with Motic Images System.
     方法石蜡包埋切片,应用免疫组织化学SP法及麦克奥迪真彩色病理分析图像分析系统,对TTF-1表达强度的阳性单位(PU)进行定量分析。
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  “阳性单位”译为未确定词的双语例句
     The positive staining units were 20.042±1.084 in 2h,22.028±3.452 in 4h and 20.524±1.595in 8h after acute ischemia.
     8h组开始下降; 免疫组化染色定量检则的阳性单位:缺血2h、4h、8h分别为20.042±1.084、22.028±3.452和20.524±1.595;
短句来源
     The positive PU of 2 experimental groups was 28 68±3 64 and 10 80±3 20,which was higher than control's 2 72±2 08,the difference was significant( P <0 01).
     各实验组阳性单位PU平均值分别为 :2 8 6 8± 3 6 4 ,10 80± 3 2 0 ,均明显高于对照组 2 72± 2 0 8,差异有显著性 (P <0 0 1)。
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     Relationship of Microvessel Parameters and VEGF Expression and 3D Distribution of CD34 Positive Cells in Human Astrocytomas
     星形细胞肿瘤微血管参数与VEGF阳性单位的关系及CD34~+细胞三维分布
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     RESULTS:Expression of α - smooth muscle- actin decreased after 6- hour reperfusion(PU=17.24± 4.36), and in 24- hour group the expression was the lowest(PU=10.53± 2.67).
     结果:α平滑肌肌动蛋白在再灌注6h后表达明显下降,阳性单位(PU)值为17.24±4.36; 在24h时表达最低,PU为10.53±2.67,在3d时表达有所升高;
短句来源
     There was no obvious difference between the PU of squamous cell lung carcinomas and lung adenocarcinoma(P=0.2282).
     肺鳞癌与肺腺癌癌细胞端粒酶表达的阳性单位差异无显著性(P=0.2282)。
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  positive unit
Applying the property of positive unit resolution of B-spline, an MCV sufficient condition for the curve segments is obtained.
      
The positive unit (PU) was higher in tumor group and cancer group than that in normal group (P>amp;lt;0.
      
(2) Using deletion strategy, both positive unit lock resolution and input lock resolution are complete for a Horn set where the indexes of positive literals are greater than those of negative literals.
      
In special cases we identify the 'boundary primes' in terms of expressions of the form , where ε is a totally positive unit of F.
      
Positive Unit Hyperresolution Tableaux and Their Application to Minimal Model Generation
      
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  positive units
Most of the PDBu-positive units responded also to bradykinin, whereas only a few PDBu-positive units were sensitive to prostaglandin I2 and E2.
      
Of the 50 MAN-positive units tested, 20 showed a response to intra-arterial KCl; of these 20, 12 had a response to BK; 8 of these 12 units were additionally tested with capsaicin and all responded.
      
On totally positive units of real holomorphy rings
      
In this paper we will show that every totally positive unit of the real holomorphy ring of a formally real field is a sum of 2n-th powers of totally positive units for all natural numbersn.
      
However the prevention of HCV infection will be the goal, in addition to screening of donor blood and exclusion to a large degree of positive units likely to decrease the incidence of post-transfusion hepatitis.
      
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A new concept of positive unit(PU) was put forward for the quantitative expression of result of immunohistochemical reaction. Intensity of pure immunohistochemical reaction, which means the factor of background from section or smear had been discharged, was classified from 0 (for white) to 100(for black) based on the gray level of gray scale image. Each grade was defined as a positive unit on the paper. The formulas in the following for PU has been deduced, a. PU=100(G_α- G_β)/G_(max); b. PU=100(G_A-G_β)/A_(Aα)G_(max)....

A new concept of positive unit(PU) was put forward for the quantitative expression of result of immunohistochemical reaction. Intensity of pure immunohistochemical reaction, which means the factor of background from section or smear had been discharged, was classified from 0 (for white) to 100(for black) based on the gray level of gray scale image. Each grade was defined as a positive unit on the paper. The formulas in the following for PU has been deduced, a. PU=100(G_α- G_β)/G_(max); b. PU=100(G_A-G_β)/A_(Aα)G_(max). In the formulas, G_α, G_β denote separatly the mean gray level of thestudying structure α and back ground β; G_A: mean gray level in an area A which containes α and β; G_(max): the maximum gray level of the instrument. A_(Aα): the area density of α phase in area A. Formula a could been used for the particles which are boundary obviously. Formula b could been used for all kind of sample including histological section and cytological smear despite the particles boundary are obvious or not. The value of PU varied directly with the reaction intensity. 513 cells of adenocarcinoma from hydrothorax and ascitic fluid dyed in EMA were measured. The results showed that the sensitivity is 94.2%, the specificity 100% and the accuracy 95.6%. The significance of PU and the problem about contrast dye were discussed.

本文提出阳性单位(PU)新概念,用于定量表达免疫组化阳性反应程度。本文将排除了切片或涂片本底因素后的纯免疫组化反应程度按灰度图像分为0(白)到100(黑)个等级,每一等级定义为1个阳性单位。导出公式如下:a.PU=100(G_α—G_β)÷G_(max);b.PU=100(G_A—G_β)÷(A_(Aα)·G_(max))。式中G_α、G_β分别为待测结α和背景β的平均灰度,G_A为含有α和β的A区域的平均灰度;G_(max)为检测仪器的最大灰度。A_(Aα)为α相在A区域中的面积密度。式a适于测算境界明显的粒子,式b则不论粒子境界如何,对各类样品均适合,包括组织学切片和细胞学涂片。PU值大小与反应强度成正比,PU最大值为100、理论最小值为0。对513个EMA染色的胸腹水腺癌细胞进行了测试,结果表明该法对EMA染色定量判断的灵敏度为94.2%,特异度为100%,准确度为95.6%。讨论了PU值的意义和有关对比染色问题。

An advanced quantitative method of immunohistochernical staining was developed,which brought about a new formula for testing and calculating positive unit(PU).According to this method,only the gray level and the area of defined area A and the phase a of positive products(or background 9) in A need to be tested; besides,the gray setting method needn't to be regarded.The formula is as follows:PU=100×|Ga-GA |/(AAβ.Gmax)=100×|Ga-GA|/[(1 -AAα).Gmax].G.and GA denote separately the mean gray level of the studying structure...

An advanced quantitative method of immunohistochernical staining was developed,which brought about a new formula for testing and calculating positive unit(PU).According to this method,only the gray level and the area of defined area A and the phase a of positive products(or background 9) in A need to be tested; besides,the gray setting method needn't to be regarded.The formula is as follows:PU=100×|Ga-GA |/(AAβ.Gmax)=100×|Ga-GA|/[(1 -AAα).Gmax].G.and GA denote separately the mean gray level of the studying structure a and the test area A which equals area a plus area β in the formula;AAαand AAα mean respectively the area density of a and 5 in the A; Gmax is the maximum gray level of the instrument.Although the gray setting is free,the test of gray level should be performed in the same setting.The method could also be used for the reactive intensity of other histochemistry.cytochemistry and hybridization in situ.

本文对免疫组织化学染色反应的定量方法进行了研究,导出阳性单位(PU)测算新公式。根据测试区域A的灰度级GA和面积(m+n)及阳性反应产物α相的灰度级Gα和面积n(或背景面积m)即可求得PU。公式如下:PU=100×|Gα-GA|/(AAβ·Gmax)=100×|Gα-GA|/[(1-AAα)·max]。式中AAα=n/(m+n),AAβ=m/(m+n),Gmax为测试仪器的最大灰度分级。本法灰度测试无需考虑灰度设定方法,只需在同一灰度设定条件下测试即可。本法还可用于其它组织化学、细胞化学和原位分子杂交反应显色程度定量。

The expression of epidermal growth factor receptor (EGF-R) was studied in 38 laryngeal squamous cell carcinomas by immunohistochemical LSAB method using a monoclonal antibody against EGF-R, image analysis technique (IAT) was applied to measure the intensity of staining and indicated by positive unit(PU) instead of staining grade(0-Ⅲ). The results showed that the PU of EGF-R in poorly differentiated carcinomas were higher than that of well/moderately differentiated carcinomas (Ⅰ-Ⅱ) (P<0. 01),and it was also higher...

The expression of epidermal growth factor receptor (EGF-R) was studied in 38 laryngeal squamous cell carcinomas by immunohistochemical LSAB method using a monoclonal antibody against EGF-R, image analysis technique (IAT) was applied to measure the intensity of staining and indicated by positive unit(PU) instead of staining grade(0-Ⅲ). The results showed that the PU of EGF-R in poorly differentiated carcinomas were higher than that of well/moderately differentiated carcinomas (Ⅰ-Ⅱ) (P<0. 01),and it was also higher in the cases with cervlcal lymph node involvement. The EGF-R over expression harbinger good prognosis as shown by the Kaplan-Meier curves of survival(X2=8. 62 P<0. 05). It may provide a good parameter in the evaluation of prognosis.

采用免疫组化LSAB法,用抗EGF-R单克隆抗体对38例喉鳞状细胞癌进行标记,用图像分析技术对染色结果定量分析,以阳性单位PU值代替染色级别(0~)。结果显示:喉鳞状细胞癌Ⅲ极的PU值明显高于Ⅰ~Ⅱ级的PU值,淋巴结转移组的PU值高于无淋巴结转移组的PU值,取得完整随访资料34例,绘制Kaplan-Meier生存曲线,经Logrank检验.X2=8.62,P<0.05。研究结果显示:EGF-R的表达状态与喉鳞癌的低分化性、高浸润性及预后密切相关,EGF-R可做为判断预后的一个良好的生物指标。

 
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