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ameloblastoma
相关语句
  成釉细胞瘤
    Study on Cell Proliferation and Differentiation of Ameloblastoma
    成釉细胞瘤细胞增殖与分化的研究
短句来源
    PURPOSE:To investigate the relationship between matrix metalloproteinase-2(MMP-2)activity and invasiveness of ameloblastoma both in vivo and in vitro.
    目的:探讨基质金属蛋白酶-2(matrix metaⅡoproteinase-2,MMP-2)活性与成釉细胞瘤体内、外侵袭力的关系。
短句来源
    METHODS:The cells and xenograft of ameloblastoma were treated with matrix metalloproteinase-2(MMP-2)inhibitor Ro31-9790,and the effects of Ro31-9790 on the invasion of ameloblastoma were investigated.
    方法:通过MMP-2活性抑制剂Ro31-9790降低MMP-2活性进行干预处理,采用成釉细胞瘤细胞原代培养、瘤组织块裸鼠肾包膜下移植、MTT、Western印迹、体外侵袭试验、组织学和免疫组织化学等方法,观察MMP-2活性与成釉细胞瘤体内、外侵袭的关系。
短句来源
    Ro31-9790 inhibited the invasion of ameloblastoma in vivo and in vitro,and increased the positive expression of collagenⅣand decreased the abnormal expression of epithelial cadherin in xenograft of ameloblastoma,but did not influence the expression of MMP-2 in vivo and in vitro.
    Ro31-9790对成釉细胞瘤细胞的体内、外侵袭均有显著的抑制作用(P<0.01),并可增加Ⅳ型胶原在瘤组织的阳性表达,减少E-钙黏素在瘤组织的异常表达,同时在体内、外均不影响成釉细胞瘤细胞MMP-2的表达。
短句来源
    CONCLUSIONS:MMP-2 activity can directly contribute to the invasive capacity of ameloblastoma.
    结论:MMP-2活性与成釉细胞瘤的侵袭直接相关;
短句来源
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  造釉细胞瘤
    The Expression of Lectin Receptor in Peripheral Ameloblastoma and
    外周性造釉细胞瘤与口腔和颌面皮肤基底细胞癌的凝集素受体表达
短句来源
    p21 Expression of ras Oncogene Product in Ameloblastoma
    ras癌基因产物p21在造釉细胞瘤中的表达
短句来源
    Surgical treatment for one case of mandibular ameloblastoma with congenital coagulation factor deficiency
    下颌骨造釉细胞瘤伴先天性因子Ⅺ缺乏症手术治疗1例
短句来源
    This study was to explore the clinical and CT imaging features of solid or multicystic ameloblastoma (SMA), unicystic ameloblastoma (UA), and malignant ameloblastoma (MA), and thus to improve the CT diagnostic accuracy for these diseases.
    本研究探讨实性或多囊型造釉细胞瘤(solidormulticysticameloblastoma,SMA)、单囊型造釉细胞瘤(unicysticameloblastoma,UA)和恶性造釉细胞瘤(malignantameloblastoma,MA)的临床和CT影像特点,以提高CT诊断的准确性。
短句来源
    Investigation on Conservative Treatment of Ameloblastoma
    保守治疗造釉细胞瘤的初步探讨
短句来源
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  “ameloblastoma”译为未确定词的双语例句
    RESULTS:Ro31-9790 didn't influence the growth of ameloblastoma cells,cell number had no significant change(P>0.05).
    结果:Ro31-9790各处理组和对照组的生长曲线无显著差异(P>0.05)。
短句来源
    Expression and Significance of EGFR、C-erbB-2 in Ameloblastoma
    EGFR、C-erbB-2在成釉细胞中的表达及意义
    The cultured cells grow slowly in vitro and the average DNA Index (DI) of these five ameloblastoma cells is 0.97 ± 0.03 . SPF( % ) is 7 .77 ± 1.65 and PI is 8.06 ± 1.40. Apoptotic pathway of ameloblastoma is disturbed.
    S期细胞比率(SPF)值为 7.77%±1.65%,增殖指数 PI值为 8.06±1.40,增殖活力在正常组织范围内; 细胞凋亡受到抑制。
短句来源
    The expression of p16 or PCNA showed a significantly difference between recurrence and primary ameloblastoma( P <0.05).
    复发和未复发组p16或PCNA表达均具有显著性差异 (P <0 .0 5 )。
短句来源
    Conclusion BMP-2 mRNA expression might be related to carcinogenesis, development and biological behavior in jaw bone ameloblastoma.
    结论BMP-2mRNA的表达可能与AB的发生及生物学行为有一定关系。
短句来源
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  ameloblastoma
In ameloblastoma, BSP mRNA signals were seen in the neoplastic epithelial cells forming nests, strips and islands.
      
Since 1966 to 2001, 36 cases of ameloblastoma of the paranasal sinus's have been published.
      
Ameloblastoma showed mixed solid and cystic components, irregularly thick walls, papillary projections, and marked enhancement of the walls.
      
One lesion was suspected as being peripheral.5.These cases were diagnosed as ameloblastoma of the acanthomatous type or follicular type histopathologically according to the WHO classification.
      
Five cases are described of patients with a histopathological diagnosis of ameloblastoma located in the interalveolar septum.
      
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Two patients suffered from ameloblastoma were treated successfully in June1981 and Novermber 1982 with free iliac bone flap transplantation. The two freetransfers of compound iliac flap have obtained survial, though one of them hadbeen infected after operation. The healing process of the transfered free bone with vessel pedicle and theaccepting bone is similar to that in general fracture. After operation, the x-rayexamination showed that the plastic is well. The callus form of both ends of thetrasfered...

Two patients suffered from ameloblastoma were treated successfully in June1981 and Novermber 1982 with free iliac bone flap transplantation. The two freetransfers of compound iliac flap have obtained survial, though one of them hadbeen infected after operation. The healing process of the transfered free bone with vessel pedicle and theaccepting bone is similar to that in general fracture. After operation, the x-rayexamination showed that the plastic is well. The callus form of both ends of thetrasfered bone may be seen in x-ray after six weeks. Generaly healing can be seenafter three months.

本文对二例下颌骨造釉细胞瘤用旋髂深血管蒂吻合的游离髂骨复合瓣移植整复下颌骨缺损,均获成功。其优点是血供丰富、抗感染能力强,血管蒂长便于重建下颌骨、因髂嵴可供切取全长,宽度可达7~8厘米,故可术中塑形,而且供区与受区可同时手术,供区常一期愈合,不遗留功能障碍。

AbstractFifty-six cases of mural ameloblastoma were anan-lyzed clinically and radiographically. They were trans-formed by ameloblastomous changes from keratocyst,occuring in 28. 2% of ameloblastotna. The disease wasoften seen in patients of 10-29 years old with a mean of21. 8. Most of them were seen in mandible (53/56) ,es-pecially in ramus (40/50). The radiographic appearanceis divided into three subtypes: (1) ramusmandibularbody pattern , including dentigerous (31/56) and non-dentigerous (9156) ; (2...

AbstractFifty-six cases of mural ameloblastoma were anan-lyzed clinically and radiographically. They were trans-formed by ameloblastomous changes from keratocyst,occuring in 28. 2% of ameloblastotna. The disease wasoften seen in patients of 10-29 years old with a mean of21. 8. Most of them were seen in mandible (53/56) ,es-pecially in ramus (40/50). The radiographic appearanceis divided into three subtypes: (1) ramusmandibularbody pattern , including dentigerous (31/56) and non-dentigerous (9156) ; (2 ) subapical pattern ( 12156) i(3) inter-radicular pattern (4/56). The mainpoint ofradiographic diagnosis is the appearance of unilocular ormultilocular radiolucency of similar size, located in ra-mus-mandibular body or mandibular bocly region. Thelarge lesions have a tendency to expand along themandible. The roots of teeth are absorbed apparently,demonstrating serrated or amputated appearance.

作者对56例壁性造釉细胞瘤进行了临床和X线分析。56例均为牙源性角化囊肿造釉细胞瘤变。发生率占造釉细胞瘤的28.2%。10~29岁(45/56)多见,平均21.8岁。下颌骨(53/56)多见,下颌升支体(40/56)多见。X线表现分三型:①升支体型,此型又分含牙型(31/56)和非含牙型(9/56);②根尖下型(12/56);③根间型(4/56)。X线诊断要点:升支体或体部,单房或数个大小相差无几的大房影像。肿瘤较大者,有沿颌骨长轴扩展趋势。牙根吸收明显,且为锯齿状或截根状吸收。

p21 expression of ras oncogene product in ameloblastoma was observed using immunohistochemistry in order to reveal the relationship between the development of amelobiastoma and the ex pression of p21 ras oncogene product. The results showed that, of 19 cases of ameloblastomas, 14 were positive (73.6%), the major positive cells were squamous epithelium cells, which suggesed that they might be precancer cell groups with tumor proliferating ability. But positive intensity was higer in a few primary embryonoid...

p21 expression of ras oncogene product in ameloblastoma was observed using immunohistochemistry in order to reveal the relationship between the development of amelobiastoma and the ex pression of p21 ras oncogene product. The results showed that, of 19 cases of ameloblastomas, 14 were positive (73.6%), the major positive cells were squamous epithelium cells, which suggesed that they might be precancer cell groups with tumor proliferating ability. But positive intensity was higer in a few primary embryonoid cells than in spuamous epithelium cells, it proved that some primary embrynoid cells played an important role in biologic behavor of this kind of tumor. So the development of ameloblastoma might be assoiated with the overexpression of the ras oncogene.

利用ras癌基因产物p21单克隆抗体,探索造釉细胞瘤的发生及生物学行为与p21的关系。结果:19例造釉细胞瘤中14例阳性(73.6%),阳性细胞大部分为鳞状上皮样细胞,提示这群细胞可能为已具备肿瘤性增殖能力的癌前细胞群,但部分原始胚胎样细胞阳性强度高于鳞状上皮样细胞,证实此型细胞对该肿瘤的生物学行为起着重要作用。因此,造釉细胞瘤的发生可能与ras基因的过量表达有关。

 
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