组织分化

DNA和蛋白质合成速度的变化与体胚的增殖及组织分化相关；

The DNA and protein synthetic rates have relations with the somatic embryo increment and tissue differentiation .

TGFβ1高表达率与组织分化程度无相关性（P＞0.05），与其它临床病理因素也无关（P＞0.05）。

The positive expression of TGF 1 was not related to tumor grade and clinical pathological factors ( P > 0.05 ) .

结果（1）螺旋CT上病灶大小、强化特点与胃癌组织分化密切相关（P<0.05）；

Results ( 1 ) The size and enhanced features of the lesions were significantly correlated with tumor histological differentiation ( P < 0.05 );

低浓度的ABA对于愈伤组织分化有一定的促进作用；

Low concentrations of ABA promoted calli differentiation .

NAA对燕科1号愈伤组织分化起主要作用，细胞分裂素与生长素比例为3：1。

And the ratio of cytokinin to auxin was 3:1 .

结果MVD与十二指肠癌组织分化有关，高分化癌肿MVD值低于中低分化癌肿的MVD值，二者有显著性差异；

Results The MVD values were related with the differentiation of duodenum carcinoma .

Logistic回归分析表明肺癌气虚证与组织分化程度、TNM分期独立相关。

And the logistic regression showed that differentiation grade and TNM stage related to the Qi-deficiency independently .

外源生长素对烟草髓愈伤组织分化和内源IAA含量的影响

The Effects of Exogenous Auxins on Differentiation of Tobacco Pith Callus and Content of Endogenous IAA

实验中发现，在培养基中加入适量PEG可以显著提高杜仲胚乳愈伤组织分化频率。且耦合电容具有频率选择性。

It was found in the present study that redifferentiation frequency of callus in E. And it has frequency selectivity .

结论integrinβ1高表达与脑胶质瘤组织分化程度低、侵袭强等恶性表型密切相关，并可能对这些恶性表型起正性调节作用。

It is possible that integrin β 1 subunit is a positive regulator of these malignant phenotypes of gliomas .

杨和苹果离体茎尖培养和愈伤组织分化与内源IAA、ABA的关系

Relationship Between the Formation of Shoot Apexes and Calli Differentiation of Poplar and Apple in vitro and Endogenous IAA and ABA

40岁以下组中腺癌的比例高，组织分化程度低，差异有显著性（P＜0.05）。

Pregnancy and delivery numbers were lower , and the percentage of contact bleeding symptom , adenocarcinoma type , low differentiated grade was higher in the study group , the difference was sigm'ficant ( p < 0.05 ) .

P16和Rb基因在基底细胞癌中的阳性表达率在肿瘤的组织分化程度方面差异显著（P＜0.05）。

There was a significant difference in the expression of the both tumor suppressor genes in carcinomas of different histopathological grades ( P < 0.05 ) .

方法55例进展期胃癌病人术前行低张力水充盈螺旋CT三期增强扫描，并将螺旋CT结果与术后病理及组织分化结果进行对照。

Methods Triphasic spiral CT scans with water filling method and administration of hypotonic agent were performed in 55 patients with advanced gastric carcinoma . Spiral CT findings were compared with postoperative pathology and histological differentiation .

PCNA强阳性表达在大肠腺瘤-癌序列中逐渐增高，它与腺瘤p53表达、不典型增生程度及腺癌组织分化有关（P<005）。

Intense expression of PCNA increased during adenoma carcinoma sequence , it was related to the degree of dysplasia and p53 expression in adenoma and differentiation in adenocarcinomas .

经过统计分析表明：6-BA和NAA的浓度对厚朴外植体愈伤组织分化率均有极显著影响。

The statistical analysis indicates that the concentration of 6-BA and NAA have an extremely apparent effect on the callus differentiation rate .

TRH、EGF及地塞米松促进未成熟胎肺组织分化及表面活性物质合成的研究

Comparison of the effects of TRH , EGF and dexamethasone on the morphogenesis and surfactant production of fetal lung in rabbits

流式细胞术结果显示PI在TNM分期、组织分化、组织类型中均存在显著性差异（P<0.05），但和淋巴结转移无关。

Flow cytometry showed PI was significantly correlated with TNM stage , tissue differentiation and tissue classification ( P < 0.05 ), but PI was not significantly correlated with LN metastasis .

用流式细胞仪（FCM）检测40例大肠癌新鲜标本的DNA倍体类型，发现DNA倍体类型与患者性别、年龄、大肠癌部位、组织分化及Dukes分期无关；

Forty patients with colorectal cancer were analysed for DNA - ploidy using flow cytometry ( FCM ) . DNA - ploidy did not correlate with sex , age , location , histological grade and Dukes stage .

结果显示，两种融合方式对细胞的融合率没有显著差异，但电融合的细胞植板效率和愈伤组织分化能力均显著高于PEG融合法。

The results showed that no much difference existed in the fusion efficiency between the two methods , but higher cell plating frequency and a stronger plant differentiation ability of callus were observed in electrofusion .

MVD和VEGF表达与有无淋巴结转移密切相关（P<005），与组织分化程度、有无浆膜层受侵无关（P>005）。

MVD and VEGF expression correlated with lymph node metastasis ( P > 0.05 ), but their relationships to the degree of differentiation and depth of invasion were not significant ( P > 0.05 ) .

P-gp、GST-π和TS蛋白表达与宫颈癌组织分化和临床分期均不相关（P>0.05）。

No significant association was found between the expression P-gp , GST - π or TS protein and clinicopathologic feature such as cell differentiation and clinical stage ( P > 0.05 ) .

结果表明，基本培养基的种类在愈伤组织分化出芽的过程中起着主导作用，而6-BA和IAA分别在诱导愈伤组织和诱导丛生芽阶段起主要作用.通过综合平衡法得出最佳培养基配方为NN69+0.5mg。

As a result , the species of the basic media is very important for budding form calli , and 6-BA , IAA are important for inducing calli and fasciculate buds respectively .

脱氧雪腐镰刀菌烯醇（Deoxynivalenol）与2,4-二氯苯氧乙酸之间在小麦愈伤组织分化、植株K~+吸收和运输上的拮抗

The antagonism between deoxynivalenol ( don ) toxin and 2,4-dichlorophenoxyacetic acid in callus differentiation and k ~ + absorption , translocation in Wheat

在不同性别、年龄、肿瘤大小、包膜、门静脉癌栓、甲胎球蛋白（AFP）和组织分化者癌组织中COX-2蛋白的表达差异均无统计学意义（P>0.05）。

There was no significant difference of COX-2 among sex , age , tumor size , tumor capsule , presence of portal vein thrombosis , the level of - fetoprotein and histo-differentiation ( P > 0.05 ) .

在乳腺癌中，E-cadherin和α-catenin的表达与组织分化程度、细胞浸润强度、淋巴结的转移情况存在负相关性。

In breast cancer , the expression of E-cadherin and α - catenin is negatively correlated with the degree of differentiation and the capability of tissue invasion and the situation of lymph node metastasis .

MSO培养基在进行愈伤组织分化时具有出最佳效果，愈伤组织分化率分别为42.5%和67.5%。

MSO medium was found performed best in the differentiation period of callus , and the calli differentiation rates were 42.5 % and 44.5 % , respectively .

试验采用正交设计方法，研究了6-BA、KT、NAA、活性炭的不同浓度及其组合对两个甘蔗基因型愈伤组织分化的效果，并筛选出了优化处理组合。

The effects of different concentration and combinations of 6-BA , KT , NAA and active carbon on two genotype sugarcane callus for their regeneration were studied by using orthogonal design , and combinations of optimum treatment were selected .

PTEN的阳性表达率在不同性别、年龄和TNM分期等临床病理参数间无显著性差异（P>0.05），但与淋巴结转移、组织分化程度等临床病理参数间有显著性差异（P<0.05）。

PTEN expression was not obviously correlated with age , different gender , and TNM classification etc ( P > 0.05 ), but there was significant correlation with nodal metastases and degree of OSCC ( P < 0.05 ) .

结论：c-jun蛋白在喉癌细胞中表达水平明显增高，其表达指数与喉癌组织分化程度、颈淋巴结有无转移有关。

CONCLUSION : The expression level of c jun protein significantly increased in laryngeal cancer cell and its expression may be considered as an indicator for differentiating degree , neck lymph node metastasis , and prognosis of laryngeal cancer .