肿瘤

Porphyrin nitrogen mustard has distinctive effect on the synthesis of DNA and photodynamic anti-tumor activity.

卟啉氮芥可显著抑制人肝癌细胞SMMC7721DNA的合成；对人肝癌细胞SMMC7721有显著的光动力抑制作用，可破坏肿瘤细胞的细胞膜，抑制肿瘤细胞DNA的合成。

It has opened a new way for the diagnosis and therapy of tumours, and also estab- lished the foundation for the carcinogenic mechanism research. In order to study the altered molecular events during laryngeal car- cinogenesis and elucidat the role of oncogenes in laryngeal carci- noma, we examined the Ha-ras and c-myc gene mutation and amplification by the polymerase chain reaction and molecu- lar hybridization technigues respectivly.

癌基因的研究是当前肿瘤领域内的重大课题，正在基础理论和临床医学中进行广泛和深入的研究，癌基因的发现为肿瘤的诊断和治疗开辟了新的途径，同时也为人类开始从分子水平来回答细胞癌变的本质问题，最终认识癌变机制奠定了理论基础。

I n our series, 41 (77.4%) tumors were functional, of which 39 (95%) were benign; 12 (22.6%) tumors were nonfunctional, of which two (16.7%) were malignant.

在本研究中，41位(77.4%)肿瘤为具功能性，其中39位(95%)为良性；12位(22.6%)肿瘤不具功能性，其中2位(16.7%)为恶性。

There was no significant difference in MGMT expression between invasive and noninvasive tumours, or between recurrent and nonrecurrent tumours.

然而，侵袭性与非侵袭性肿瘤间或复发与未复发肿瘤间，MGMT的表达水平并没有明显差异。

Result: The percentage of hyperdiploid cells, DNA Index and proliferative index were statistically higher in the vascular and the syncytial subtypes of meningioma than those in the fibrous and mixed subtypes, Also those in the severe edema group were higher than those in the moderate, mild and without peritumoral edema groups. The DNA hyperdiploidy were mostly found in the group of giant size tumor, DI and PI in the recurrent menigioma group were significantly higher than those in the nonrecurrent group.

结果：血管型、合体型脑膜瘤超二倍体率、DI和PI显著高于纤维型及混合型；重度水肿组DI、超二倍体率和PI显著高于中、轻及无水肿组；大肿瘤超二倍体率和DI均显著高于中、小肿瘤；复发性脑膜瘤的DI、PI均显著高于非复发组。

Methods quantitative real-time fluorescent pcr was used to detect the expression of cd133 gene in 75 glioma tissues and 4 normal tissues. the correlation between the expression levels and pathological grades of the tumors was analyzed.

应用实时荧光定量pcr方法检测75例不同病理级别胶质瘤组织及4例正常脑组织中cd133基因的表达情况，并与肿瘤病理级别进行相关性分析；同时采用免疫组化法检测35例肿瘤组织和2例正常脑组织中cd133的表达情况，在蛋白表达水平予以验证。

Methods: In order to study P〓、P〓 and bcl-2 gene expression and its significance in tumorgenesis of lung cancer, the expression of P〓、P〓 and bcl-2 gene was detected by RT-PCR, PCR-SSCP and immunhistochemistry SABC in 65 cases of lung cancer tissues, tissues adjacent to carcinoma and normal tissues, its correlation to clinico-pathological features and prognosis of lung cancer was explored.

因此人们预测其重要性不亚于RB和P〓基因，甚至比其更为重要。Bcl-2基因是继促进细胞生长的癌基因和突变的抑癌基因之后，近年来发现的第三类肿瘤基因，它是一种调控细胞死亡的"存活基因"，可抑制细胞的程序化死亡，故称之为细胞凋亡抑制基因，在肿瘤发生、发展中起着重要的作用。

Will amino acid introduces in fighting tumor medicaments element, can raise its to be opposite of tumor cell alternative, thing of antidote of the fat dissolve sex that enhances medicaments, delay is right cellular noxiousness.

将氨基酸引入抗肿瘤药物分子中，可以提高其对肿瘤细胞的选择性，增强药物的脂溶性、缓解药物对细胞的毒性等。

The further investigation on the mechanism of OIS is of great significance to understanding of the tumorigenesis and provide new ideas and methods of cancer treatment.

对OIS机制的了解，有利于我们重新认识肿瘤的发生机制，为肿瘤治疗提供新的思路和方法。

Suramin has long been used to treat human trypanosomiasis and onchocerciasis, but since the recent years has received attention as an antitumor drug which has some inhibitory effect on the proliferation ,invasion and metastasis of some malignant tumor cells in vitro and in vivo.

苏拉明是一个用于治疗锥虫和/或盘尾丝虫感染的抗寄生虫药。近些年研究发现苏拉明对肿瘤细胞增殖、浸润、转移等有一定的抑制作用。体内外研究证实苏拉明对多种恶性肿瘤有抗肿瘤活性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。