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BNCT 1

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恶性胶质瘤 1

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Relationship of adrenomedullin expression and microvessel density and prognosis in smooth muscle tumor of uterus

JIANG Yuan, TIAN Xuehong, YUAN Jie, JIN Yuemei, TAN Yusong

《医学前沿(英文)》 2007年 第1卷 第4期   页码 398-400 doi: 10.1007/s11684-007-0077-4

摘要: The aim of this paper was to investigate the relationship between the expression of adrenomedullin (ADM) and microvessel density (MVD) and prognosis in smooth muscle tumor of uterus. The expression of ADM was detected using immunohistochemical staining in specimens from 15 normal controls, 28 cases of uterine leiomyoma (LE) and 19 cases of uterine leiomyosarcoma (LES). The MVD was assayed by immunostainting with CD. There was a positive correlation between the ADM expression and MVD in LE and LES respectively ( = 0.823, <0.01; = 0.793, <0.01). The expression of ADM in LE was statistically lower than that in LES (<0.05). There was a positive correlation between the ADM expression and mitotic figures in LES (<0.05): the more mitotic figures, the higher levels of the ADM expression and poor prognosis. The ADM is an important angiogenic factor in smooth muscle tumor of uterus. The ADM can be used as an accessory marker in estimating the malignant potency of LE and judging the pro gnosis of LES, and as a novel molecular target of anti-angiogenic and anticarcinogenic strategies.

关键词: anticarcinogenic     microvessel density     malignant potency     muscle     uterine leiomyosarcoma    

Molecular targeted therapy of gynecological malignant tumors: the development and challenge, from laboratory

Pengming SUN PhD, MD , Jalid SEHOULI PhD, MD , Lihui WEI BM ,

《医学前沿(英文)》 2009年 第3卷 第3期   页码 256-264 doi: 10.1007/s11684-009-0052-3

摘要: More and more molecular drugs based on targeted therapy have been utilized in the treatment of gynecologic cancer, especially in ovarian cancer. In this article, we systematically review the current targeted therapeutic trials running in clinic. Large, randomized trials have been conducted in the treatment of ovarian cancer, endometrial cancer and cervical cancer by using small molecule, antisense, mutational gene as well as antibodies. Other planned or ongoing trials currentlytargeted at molecular markers which may play important roles in gynecological carcinogenesis andprogression suggest that combination chemotherapy with molecular targeted therapy will ultimately be an importantoption.

关键词: target therapy     gynecologic malignant tumors     clinical trail     molecular medicine    

Progress on molecular biomarkers and classification of malignant gliomas

null

《医学前沿(英文)》 2013年 第7卷 第2期   页码 150-156 doi: 10.1007/s11684-013-0267-1

摘要:

Gliomas are the most common primary intracranial tumors in adults. Anaplastic gliomas (WHO grade III) and glioblastomas (WHO grade IV) represent the major groups of malignant gliomas in the brain. Several diagnostic, predictive, and prognostic biomarkers for malignant gliomas have been reported over the last few decades, and these markers have made great contributions to the accuracy of diagnosis, therapeutic decision making, and prognosis of patients. However, heterogeneity in patient outcomes may still be observed, which highlights the insufficiency of a classification system based purely on histopathology. Great efforts have been made to incorporate new information about the molecular landscape of gliomas into novel classifications that may potentially guide treatment. In this review, we summarize three distinctive biomarkers, three most commonly altered pathways, and three classifications based on microarray data in malignant gliomas.

关键词: malignant glioma     molecular biomarker     IDH1     MGMT     molecular classification    

Change and significance of T-cell subsets and TNF-α in patients with advanced malignant obstructive jaundice

ZHU Lidong, CHEN Xiaoping

《医学前沿(英文)》 2007年 第1卷 第4期   页码 364-368 doi: 10.1007/s11684-007-0070-y

摘要: The aim of this article was to study the influence of immunity function of advanced malignant obstructive jaundice (MOJ) treated by percutaneous transhepatic biliary external and internal drainage. Ninety-six cases of MOJ were divided into two groups according to the different ways of biliary drainage. Fifty-two external drainage tubes were placed in 41 cases of percutaneous transhepatic biliary external drainage group and 66 metal stents were placed in 55 cases of percutaneous transhepatic biliary internal drainage group. Liver function, serum TNF- and cellular function were examined one day before operation and one week after operation and liver function was re-examined two weeks after operation, in order to observe the change and analyze the asso ciation among them and compare with the control group. All patients conditions were improved after operation. In the percutaneous transhepatic biliary external and internal drainage groups, the total level of bilirubin decreased from (343.54±105.56) μ mol/L and (321.19±110.50) μ mol/L to (290.56±103.46) μ mol/L and (283.72±104.95) μ mol/L after operation respectively, which were significantly lower than pre-operation (<0.05), but there was no significant difference between the two groups (>0.05). Serum alanine aminotransferase (ALT) of all patients one week after operation was significantly lower than that before operation. TNF- in percutaneous transhepatic biliary external and internal groups decreased from (108.58±19.95) pg/mL, (109.98±16.24) pg/mL of pre-operation to (104.32±19.59) pg/mL, (83.92±13.43) pg/mL of post-operation respectively, there was notable improvement (<0.01) in internal drainage group after operation. Patients serum CD4, CD3 and CD4/CD8 were notably increased, but CD8 was notably decreased (<0.05). There was no difference in external drainage group (>0.05). There was a significant difference between the two groups. Serum TNF- and ALT had positive correlation. Percutaneous transhepatic biliary internal or external drainage was an effective and important method to treat MOJ. Patients immune function was weak when they suffered MOJ, but body s cellular immune function can be notably improved after internal biliary drainage.

高能聚焦超声热治疗恶性肿瘤的初步探索——附78例治疗临床应用报告

何申戌,熊六林,于晋生,兰江

《中国工程科学》 1999年 第1卷 第2期   页码 62-66

摘要:

目的 了解HIFU技术治疗癌瘤的临库效果和安全性。方法 应用FEP-BY01型高能聚焦超声肿瘤治疗机临床治疗78例中晚期腹腔、盆腔、多种脏器癌瘤,并将全部病例分为空腔脏器和实质脏器癌瘤两大类,按各自的标准进行疗效判断,并从疼痛、皮肤的灼伤、腔肠出血、穿孔及其它方面进行安全判断。结果 空腔脏器肿瘤32例,出院时65.6%肿瘤脱落消失,34.4%萎缩。实质脏器癌瘤46例;治疗后15.6%显著疗效,80.4%有效,无效4.3%(因肋骨阻挡),与放化疗合用可加速肿瘤脱落或萎缩。结论 HIFU技术对控制肿瘤有肯定疗效,并且安全可靠,值得推广应用;其相关医学基础研究须尽快开展。

关键词:     热疗     体外聚焦     超声    

monoamine transporter 2 genes for increased retention of metaiodobenzylguanidine labeled with iodine 131 in malignant

null

《医学前沿(英文)》 2017年 第11卷 第1期   页码 120-128 doi: 10.1007/s11684-017-0501-3

摘要:

Norepinephrine transporter (NET) transfection leads to significant uptake of iodine-131-labeled metaiodobenzylguanidine (131I-MIBG) in non-neuroendocrine tumors. However, the use of 131I-MIBG is limited by its short retention time in target cells. To prolong the retention of 131I-MIBG in target cells, we infected hepatocarcinoma (HepG2) cells with Lentivirus-encoding human NET and vesicular monoamine transporter 2 (VMAT2) genes to obtain NET-expressing, NET-VMAT2-coexpressing, and negative-control cell lines. We evaluated the uptake and efflux of 131I-MIBG both in vitro and in vivo in mice bearing transfected tumors. NET-expressing and NET-VMAT2-coexpressing cells respectively showed 2.24 and 2.22 times higher 131I-MIBG uptake than controls. Two hours after removal of 131I-MIBG-containing medium, 25.4% efflux was observed in NET-VMAT2-coexpressing cells and 38.6% in NET-expressing cells. In vivo experiments were performed in nude mice bearing transfected tumors; results revealed that NET-VMAT2-coexpressing tumors had longer 131I-MIBG retention time than NET-expressing tumors. Meanwhile, NET-VMAT2-coexpressing and NET-expressing tumors displayed 0.54% and 0.19%, respectively, of the injected dose per gram of tissue 24 h after 131I-MIBG administration. Cotransfection of HepG2 cells with NET and VMAT2resulted in increased 131I-MIBG uptake and retention. However, the degree of increase was insufficient to be therapeutically effective in target cells.

关键词: norepinephrine transporter     vesicular monoamine transporter 2     -MIBG     gene therapy     lentivirus vector    

中子俘获疗法临床应用国际进展

张紫竹,金从军,刘凯,张国珍,杨立军

《中国工程科学》 2012年 第14卷 第8期   页码 100-105

摘要:

硼中子俘获疗法(BNCT)目前在国际上已经临床应用于千余例患者,并取得了较好的治疗效果。主要对BNCT的原理、发展历史及国际BNCT临床进展情况作了主要介绍。对脑胶质瘤、恶性黑色素瘤、复发性头颈部肿瘤及转移性肝癌BNCT临床治疗情况及治疗效果作了较详细的讨论。

关键词: BNCT     脑胶质瘤     恶性黑色素瘤     复发性头颈部肿瘤     转移性肝癌    

光纤微针装置中增强对流药物输注的热强化表征 Article

R. Lyle Hood,Rudy T. Andriani,Tobias E. Ecker,John L. Robertson,Christopher G. Rylander

《工程(英文)》 2015年 第1卷 第3期   页码 344-350 doi: 10.15302/J-ENG-2015077

摘要:

增强对流输注 (CED) 是一项颇具前景的技术,其借助压力驱动流来增强输注药物进入细胞间隙的穿透力。为进一步提升CED的药物分布容积,笔者发明了一种可产生局部亚致死热量的光纤微针装置。本文试图在琼脂糖组织模型中对该技术进行定量表征。在15 °C、20 °C、25 °C和30 °C的恒温条件下,染料的输注在质量分数为0.6%的琼脂糖组织模型中进行分析。输注指标通过自定义阴影成像技术和图像处理算法进行定量。利用所获数据构建一个分布容积的经验预测时序模型作为组织模型温度的函数。接下来通过一组概念验证实验来评估液体输注时新型光纤装置产生局部光加热的能力。恒温输注显示温度和分布容积呈正相关,在100 min时,在30 °C恒温条件下体积扩散是在15 °C恒温条件下的7倍。在光加热 (1064 nm,500 mW) 过程中,输注呈现相似的效果:与对照组 (0 mW) 相比,输注体积在4 h时增大了3.5倍。本文的分析和结果为体积扩散的热介导增强提供了特征描述及新思路。

关键词: 近红外激光     热化学疗法     琼脂糖     光加热     微导管     恶性胶质瘤    

Possibility of women treated with fertility-sparing surgery for non-epithelial ovarian tumors to safely and successfully become pregnant---a Chinese retrospective cohort study among 148 cases

Bin Yang, Yan Yu, Jing Chen, Yan Zhang, Ye Yin, Nan Yu, Ge Chen, Shifei Zhu, Haiyan Huang, Yongqun Yuan, Jihui Ai, Xinyu Wang, Kezhen Li

《医学前沿(英文)》 2018年 第12卷 第5期   页码 509-517 doi: 10.1007/s11684-017-0554-3

摘要:

This study was performed to evaluate the oncological and reproductive outcomes of childbearing-age women treated with fertility-sparing surgery (FSS) for non-epithelial ovarian tumors in China. One hundred and forty eight non-epithelial ovarian tumor women treated with FSS between January 1, 2000 and August 31, 2015 from two medical centers in China were identified. Progression-free survival (PFS) was 88.5%, whereas overall survival (OS) was 93.9%. Univariate analysis suggested that delivery after treatment is related to PFS (P=0.023), whereas histology significantly influenced OS. Cox regression analysis suggested that only histology was associated with PFS and OS (P<0.05). Among the 129 women who completed adjuvant chemotherapy (ACT), none developed amenorrhea. Among the 44 women who desired pregnancy, 35 (79.5%) successfully had 51 gestations including 35 live births without birth defects. Non-epithelial ovarian tumors can achieve fulfilling prognosis after FSS and chemotherapy. Histology might be the only independent prognostic factor for PFS and OS. FSS followed by ACT appeared to have little or no effect on fertility. Meanwhile, postoperative pregnancy did not increase the PFS or OS. Use of gonadotropin-releasing hormone agonist was not beneficial for fertility.

关键词: malignant germ cell tumors     ovarian sex cord-stromal tumors     fertility-sparing surgery     prognosis     fertility    

标题 作者 时间 类型 操作

Relationship of adrenomedullin expression and microvessel density and prognosis in smooth muscle tumor of uterus

JIANG Yuan, TIAN Xuehong, YUAN Jie, JIN Yuemei, TAN Yusong

期刊论文

Molecular targeted therapy of gynecological malignant tumors: the development and challenge, from laboratory

Pengming SUN PhD, MD , Jalid SEHOULI PhD, MD , Lihui WEI BM ,

期刊论文

Progress on molecular biomarkers and classification of malignant gliomas

null

期刊论文

Change and significance of T-cell subsets and TNF-α in patients with advanced malignant obstructive jaundice

ZHU Lidong, CHEN Xiaoping

期刊论文

高能聚焦超声热治疗恶性肿瘤的初步探索——附78例治疗临床应用报告

何申戌,熊六林,于晋生,兰江

期刊论文

monoamine transporter 2 genes for increased retention of metaiodobenzylguanidine labeled with iodine 131 in malignant

null

期刊论文

中子俘获疗法临床应用国际进展

张紫竹,金从军,刘凯,张国珍,杨立军

期刊论文

光纤微针装置中增强对流药物输注的热强化表征

R. Lyle Hood,Rudy T. Andriani,Tobias E. Ecker,John L. Robertson,Christopher G. Rylander

期刊论文

王红阳院士讲恶性肿瘤(2018年5月30日)

2021年03月31日

会议视频

Possibility of women treated with fertility-sparing surgery for non-epithelial ovarian tumors to safely and successfully become pregnant---a Chinese retrospective cohort study among 148 cases

Bin Yang, Yan Yu, Jing Chen, Yan Zhang, Ye Yin, Nan Yu, Ge Chen, Shifei Zhu, Haiyan Huang, Yongqun Yuan, Jihui Ai, Xinyu Wang, Kezhen Li

期刊论文