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Prognostic value of the 21-gene recurrence score in ER-positive, HER2-negative, node-positive breast

Jiayi Wu, Weiqi Gao, Xiaosong Chen, Chunxiao Fei, Lin Lin, Weiguo Chen, Ou Huang, Siji Zhu, Jianrong He, Yafen Li, Li Zhu, Kunwei Shen

《医学前沿（英文）》 2021年 第15卷 第4期   页码 621-628 doi: 10.1007/s11684-020-0738-0

摘要： Multi-gene assays have emerged as crucial tools for risk stratification in early-stage breast cancer. This study aimed to evaluate the prognostic significance of the 21-gene recurrence score (RS) in Chinese patients with pN0-1, estrogen receptor-positive (ER ), human epidermal growth factor receptor 2-negative (HER2 ) breast cancer. Among 800 patients recruited between 2009 and 2016, the median RS was 24 (0–69), with 27.4%, 46.8%, and 25.9% patients classified into low-, intermediate-, and high-risk groups. Cox regression analysis demonstrated that the high-risk category was associated with significantly higher odds of invasive disease-free survival (IDFS) and distant disease-free survival (DDFS) events compared with the low-risk category (IDFS: HR= 2.450, 95% CI 1.017–5.902, = 0.046; DDFS: HR= 2.829, 95% CI 1.013–7.901, = 0.047). No significant association between RS category and overall survival (OS) was found (intermediate vs. low: HR= 1.244, 95% CI 0.292–5.297, = 0.768; high vs. low: HR= 2.933, 95% CI 0.759–11.327, = 0.119). RS, as a continuous variable, was a highly significant predictor for IDFS (HR= 1.028, 95% CI 1.010–1.047, = 0.002), DDFS (HR= 1.030, 95% CI 1.010–1.051, = 0.003), and OS (HR= 1.034, 95% CI 1.007–1.063, = 0.014). Our findings suggested that RS may predict IDFS in Chinese patients with ER /HER2 breast cancer with N0 or N1 disease.

关键词： early breast cancer     21-gene assay     recurrence score     prognosis    

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Cloning of human XAF1 gene promoter and assay of its transcription activity in a variety of cell lines

Qiong CHEN, Qing YU, Yuhu SONG, Peiyuan Li, Ying CHANG, Zhijun WANG, Lifeng LIU, Wei WU, Jusheng LIN

《医学前沿（英文）》 2009年 第3卷 第2期   页码 148-152 doi: 10.1007/s11684-009-0032-7

摘要： To investigate the regulation of tumor suppressor XAF1 gene expression in digestive system cancers, we studied XAF1 gene promoter transcription activity and mRNA level in digestive system cancer cell lines (human hepatoma cell line HepG2, human colon cancer cell line LoVo, and human gastric cancer cell line AGS) and nontumor cell lines (human embryonic liver cell line L02 (L02 cells) and human embryonic kidney 293 cells [HEK293 cells]) as controls. 1395-bp-promoter fragment of XAF1 gene was amplified by polymerase chain reaction (PCR) and cloned into pGL3-basic vector and pEGFP-1 vector to assay its promoter transcription activity. The plasmids were transfected into a variety of cell lines by lipofectamine 2000. The promoter transcription activity was determined by dual-luciferase report assay, and enhanced green fluorescent protein (EGFP)-positive cells were detected by fluorescence microscope. The expression of XAF1 mRNA in HEK293 and L02 were significantly higher than that in any of the three digestive system cancer cell lines. The dual-luciferase reporter assay showed that the promoter transcription activity in digestive system tumor cell lines transfected with pGL3-XAF1p promoter was apparently lower than that of both HEK293 and L02 cells. Expression of green fluorescent protein (GFP) under the control of XAF1 promoter in the three digestive system cancer cell lines was lower than that of both HEK293 and L02 cells. The activities of pGL3-XAF1p in the three digestive system cancer cell lines after treatment with heat stress were significantly lower than those in the unstressed cells. The results suggested that remarkably down-regulated XAF1 mRNA expression in digestive system cancer cell lines may be due to loss of transcription activity of XAF1 promoter.

关键词： gene     X-linked inhibitor of apoptosis protein associated factor-1 (XAF1)     promoter     transcription regulation    

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significance of CD34+CD117dim/CD34+CD117bri myeloblast-associated geneexpression in t(8;21) acute myeloid leukemia

Xueping Li, Yuting Dai, Bing Chen, Jinyan Huang, Saijuan Chen, Lu Jiang

《医学前沿（英文）》 2021年 第15卷 第4期   页码 608-620 doi: 10.1007/s11684-021-0836-7

摘要： t(8;21)(q22;q22) acute myeloid leukemia (AML) is a highly heterogeneous hematological malignancy with a high relapse rate in China. Two leukemic myeloblast populations (CD34 CD117 and CD34 CD117 ) were previously identified in t(8;21) AML, and CD34 CD117 cell proportion was determined as an independent factor for this disease outcome. Here, we examined the impact of CD34 CD117 /CD34 CD117 myeloblast-associated gene expression on t(8;21) AML clinical prognosis. In this study, 85 patients with t(8;21) AML were enrolled. The mRNA expression levels of CD34 CD117 -associated genes ( , , and ) and CD34 CD117 -associated genes ( , , and ) were measured using quantitative reverse transcription PCR. Associations between gene expression and clinical outcomes were determined using Cox regression models. Results showed that patients with high , , or expression had significantly inferior overall survival (OS), whereas those with high or expression showed relatively favorable prognosis. Univariate analysis revealed that CD19, CD34 CD117 proportion, mutation, minimal residual disease (MRD), and expression levels of , , , and were associated with OS. Multivariate analysis indicated that mutation, MRD and and expression levels were independent prognostic variables for OS. Identifying the clinical relevance of CD34 CD117 /CD34 CD117 myeloblast-associated gene expression may provide new clinically prognostic markers for t(8;21) AML.

关键词： t(8     21)(q22     q22) AML     CD34+CD117dim/ CD34+CD117bri cell population     gene expression     prognosis    

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抗白粉病基因 Pm40 在我国“后 Pm21 时代”小麦育种中的重要作用 Perspective

唐圣雯,胡玉亭,钟胜福,罗培高

《工程（英文）》 2018年 第4卷 第4期   页码 500-506 doi: 10.1016/j.eng.2018.06.004

摘要： 20 世纪80 年代，通过簇毛麦（Heuchera villosa）的6VS 染色体与小麦6AL 染色体易位将抗白粉病基因Pm21 转移到普通小麦中。最近，在一些地方发现了对Pm21 有毒的Bgt，虽然这些菌株的病理学特性还有待研究，但这一现象提醒小麦育种者应注意应用Pm21 的风险。因此，我们相信在未来的育种工程中，Pm40 将会在Pm21 的抗性被克服之后起巨大的作用。另外，Pm21 和Pm40 都来源于外缘物种，这暗示着外源基因的抗性可能比小麦本身的基因更为持久和有效。

关键词： 小麦     白粉病     Pm21     Pm40     外源基因     内源抗性    

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Biosensor-based assay of exosome biomarker for early diagnosis of cancer

《医学前沿（英文）》 2022年 第16卷 第2期   页码 157-175 doi: 10.1007/s11684-021-0884-z

摘要： Cancer imposes a severe threat to people’s health and lives, thus pressing a huge medical and economic burden on individuals and communities. Therefore, early diagnosis of cancer is indispensable in the timely prevention and effective treatment for patients. Exosome has recently become an attractive cancer biomarker in noninvasive early diagnosis because of the unique physiology and pathology functions, which reflects remarkable information regarding the cancer microenvironment, and plays an important role in the occurrence and evolution of cancer. Meanwhile, biosensors have gained great attention for the detection of exosomes due to their superior properties, such as convenient operation, real-time readout, high sensitivity, and remarkable specificity, suggesting promising biomedical applications in the early diagnosis of cancer. In this review, the latest advances of biosensors regarding the assay of exosomes were summarized, and the superiorities of exosomes as markers for the early diagnosis of cancer were evaluated. Moreover, the recent challenges and further opportunities of developing effective biosensors for the early diagnosis of cancer were discussed.

关键词： biosensor     exosome     cancer diagnosis    

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延长腺相关病毒递送药物的半衰期提高治疗效果 Article

吴会芳, 胡丹, 李泉晓, 王春雨, 朱晓艺, 李威, 陈宾凡, 季萍, 黄可可, 黄爱玲, 黄竞荷, Dimiter S. Dimitrov, 吴艳玲, 应天雷

《工程（英文）》 2023年 第21卷 第2期   页码 203-213 doi: 10.1016/j.eng.2022.02.009

摘要： 研究表明，延长AAV递送的小分子双功能蛋白和成纤维细胞生长因子21（fibroblast growth factor 21, FGF21）的半衰期显著增加了它们在血液循环中的浓度。此外，AAV递送FGF21 延长其半衰期使2 型糖尿病动物模型中肝损伤和血糖显著降低，并改善了葡萄糖耐量和胰岛素敏感性。这些结果证明了延长药物半衰期的基因治疗在应对人类疾病中的治疗潜力。

关键词： 基因治疗     腺相关病毒     半衰期     成纤维细胞生长因子21     2型糖尿病    

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面向21世纪的中国林业遥感

赵宪文

《中国工程科学》 1999年 第1卷 第3期   页码 16-21

摘要： 对21世纪中国林业遥感前景进行了展望。作者认为下一个世纪中国林业遥感发展的主要方向是：包容各种新技术，形成新的技术体系，并与国际接轨；利用遥感的优势，研究森林的宏观状况与作用；与森林经营进一步结合。

关键词： 林业     遥感     持续发展     21世纪    

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Fibroblast growth factor 21: a novel metabolic regulator from pharmacology to physiology

null

《医学前沿（英文）》 2013年 第7卷 第1期   页码 25-30 doi: 10.1007/s11684-013-0244-8

摘要：

Fibroblast growth factor 21 (FGF21) is a member of the fibroblast growth factor family. It actually functions as endocrine hormones but does not regulate cell growth and differentiation. It is demonstrated that FGF21 acts on multiple tissue to coordinate carbohydrate and lipid metabolism, including enhancing insulin sensitivity, decreasing triglyceride concentrations, causing weight loss, ameliorating obesity-associated hyperglycemia and hyperlipidemia. Moreover, FGF21 also plays important roles in some physiological processes, such as fasting and feeding, growth hormone axis and thermogenic function of brown adipose tissue. Clinical relevance of FGF21 in humans is still unclear, and the basis and consequences of increased FGF21 in metabolic disease remain to be determined. Both the pharmacological actions and physiological roles make FGF21 attractive drug candidates for treating metabolic disease, but some questions remain to be answered. This article concentrates on recent advances in our understanding of FGF21.

关键词： FGF21     metabolism     pharmacology     physiology     clinical relevance    

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21世纪油气工业发展刍议

陈俊武

《中国工程科学》 2000年 第2卷 第4期   页码 21-24

摘要： 文章从世界能源消费不断增长的社会发展需求出发，考虑日益苛刻的环境保护政策和举世关心的可持续发展的战略方针，结合今后科学技术的进展，分别从产品需求和资源供应、产品规格和环境保护、非常规石油进入角色及天然气前景引人瞩目四个专题进行论述，对21

关键词： 21世纪     石油     天然气     油气工业    

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Clinical outcomes of ATP-tumor chemosensitivity assay directed chemotherapy in hepatocellular carcinoma

RAO Rongsheng, CHEN Wenxue, ZHOU Xinwen, ZHOU Zheng, LI Xiaojun, ZENG Zhiping

《医学前沿（英文）》 2007年 第1卷 第2期   页码 157-160 doi: 10.1007/s11684-007-0029-z

摘要： This study aims to investigate the clinical response of ATP tumor chemosensitivity assay (ATP-TCA) directed chemotherapy regimens delivered via hepatic artery infusion in 104 cases of primary liver carcinoma (PLC). Tumor tissue was obtained via laparotomy and cultivated in vitro. This tissue was put through the assay to determine chemosensitivity. A single drug regimen of either 5-FU, MMC and ADM and a combination drug regimen were used. The treatment assigned was dependent on the result of the ATP-TCA. In the control group, 30 cases of diagnosed PLC were given the conventional three-combination drug. The two groups were evaluated after three courses of chemotherapy. The results are as follows. The overall response rate of sensitivity test ranged from 36% to 44% in the single drug therapy groups and 81% in the combination drug group. The clinical overall response rate was 75% in the treatment group and 56% in control group. The treatment group had better results than the control group as survival period over six months was 80% and over one year 44%. In the control group, survival period over six months was 60% and 30% over one year. In short, ATP-TCA directed chemotherapy shows better results for terminal stages of PLC in that you can decrease the dose of drugs thereby reducing the side-effects with possible improvements in therapeutic effects.
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21世纪人类生活与生存的科技

蒋正华

《中国工程科学》 2002年 第4卷 第4期   页码 1-11

摘要：

从管理学角度回顾了过去百年的世界历史，研究新世纪可能发生的进步，并探讨更好地建立 世界和平与合作，实现共同发展的方案。

关键词： 21世纪     科技进步     人类生活与生存    

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Digital manufacturing—the development direction of the manufacturing technology in the 21st century

XIONG You-lun, YIN Zhou-ping

《机械工程前沿（英文）》 2006年 第1卷 第2期   页码 125-130 doi: 10.1007/s11465-006-0021-3

摘要： After introducing the concepts of digital manufacturing technology, the discipline framework of digital manufacturing is presented in the paper by discussing its basic concept, theory foundation, key technology and scientific problems in detail. As the core of the advanced manufacturing technology, digital manufacturing is gradually becoming the main manufacturing technology of the twenty-first century. Firstly, the main features of digital manufacturing are indicated and its key supporting technologies are investigated by grouping them into four levels related to product development, numerical control, production management, and enterprise collaboration, respectively. Moreover, the existing problems in the research on the multi-discipline theory foundation of digital manufacturing such as manufacturing informatics, computational manufacturing, and manufacturing intelligence, are also indicated. Then, the core scientific problems of digital manufacturing are discussed in depth, which focuses on digitization of manufacturing information, modeling of manufacturing constraints, high-speed and high-precision numerical control theory, and Internet-based collaboration and integration. Lastly, the development trends and application perspectives of digital manufacturing are concluded.

关键词： development     foundation     multi-discipline     scientific     supporting    

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An extraction- assay system: Evaluation on flavonols in plant resistance to Pb and Cd by supercritical

Xu Zhang, Huanhuan Yang, Xinlei Wang, Wen Song, Zhaojie Cui

《环境科学与工程前沿（英文）》 2018年 第12卷 第4期 doi: 10.1007/s11783-018-1059-2

摘要：

SFE-GC system is established for flavonols assessment.

Optimal parameters of SFE-GC are evaluated and determined.

Quercetin and kaempferol are detected in plant under heavy metal stress.

Gene expression analysis shows consistent regularity with content of flavonols.

ROS level is applied for elaborating the plant resistance status.

关键词： Flavonols     Heavy metal     Supercritical carbon dioxide extraction (SFE)     GC     Plant resistance    

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21世纪计算与信息技术的挑战

Wm. A. Wulf

《中国工程科学》 2000年 第2卷 第10期   页码 9-12

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人类遗传病的家系收集疾病基因定位克隆与疾病基因功能的研究

夏家辉

《中国工程科学》 2000年 第2卷 第11期   页码 1-11

摘要：

介绍了中国医学遗传学国家重点实验室在遗传病家系收集、疾病基因定位、疾病基因克隆和疾病基因功能研究方面的研究工作。用细胞遗传学G显带技术于1975年发现了一条与鼻咽癌相关的标记染色体t（1；3）（q44；p11）；1981年将睾丸决定基因（TDF）定位于Yp11.32带；1991年以来收集遗传病家系345种共590个；1996年用显微切割、PCR、微克隆技术克隆了EXT2基因；1998年用基因家族-候选疾病基因克隆方法克隆了遗传性神经性耳聋基因GJB3；1999年用连锁分析和全基因组扫描将一种遗传性弥漫性浅表性光敏性汗孔角化症定位于12q23.2带，并在基因功能研究中发现了一个新的细胞内转运蛋白。

关键词： 遗传病家系     基因定位和克隆     基因家族-候选疾病基因克隆     基因组扫描     基因功能研究    

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标题 作者 时间 类型 操作

Prognostic value of the 21-gene recurrence score in ER-positive, HER2-negative, node-positive breast

Jiayi Wu, Weiqi Gao, Xiaosong Chen, Chunxiao Fei, Lin Lin, Weiguo Chen, Ou Huang, Siji Zhu, Jianrong He, Yafen Li, Li Zhu, Kunwei Shen

期刊论文

Cloning of human XAF1 gene promoter and assay of its transcription activity in a variety of cell lines

Qiong CHEN, Qing YU, Yuhu SONG, Peiyuan Li, Ying CHANG, Zhijun WANG, Lifeng LIU, Wei WU, Jusheng LIN

期刊论文

significance of CD34+CD117dim/CD34+CD117bri myeloblast-associated geneexpression in t(8;21) acute myeloid leukemia

Xueping Li, Yuting Dai, Bing Chen, Jinyan Huang, Saijuan Chen, Lu Jiang

期刊论文

抗白粉病基因 Pm40 在我国“后 Pm21 时代”小麦育种中的重要作用

唐圣雯,胡玉亭,钟胜福,罗培高

期刊论文

Biosensor-based assay of exosome biomarker for early diagnosis of cancer

期刊论文

延长腺相关病毒递送药物的半衰期提高治疗效果

吴会芳, 胡丹, 李泉晓, 王春雨, 朱晓艺, 李威, 陈宾凡, 季萍, 黄可可, 黄爱玲, 黄竞荷, Dimiter S. Dimitrov, 吴艳玲, 应天雷

期刊论文

面向21世纪的中国林业遥感

赵宪文

期刊论文

Fibroblast growth factor 21: a novel metabolic regulator from pharmacology to physiology

null

期刊论文

21世纪油气工业发展刍议

陈俊武

期刊论文

Clinical outcomes of ATP-tumor chemosensitivity assay directed chemotherapy in hepatocellular carcinoma

RAO Rongsheng, CHEN Wenxue, ZHOU Xinwen, ZHOU Zheng, LI Xiaojun, ZENG Zhiping

期刊论文

21世纪人类生活与生存的科技

蒋正华

期刊论文

Digital manufacturing—the development direction of the manufacturing technology in the 21st century

XIONG You-lun, YIN Zhou-ping

期刊论文

An extraction- assay system: Evaluation on flavonols in plant resistance to Pb and Cd by supercritical

Xu Zhang, Huanhuan Yang, Xinlei Wang, Wen Song, Zhaojie Cui

期刊论文

21世纪计算与信息技术的挑战

Wm. A. Wulf

期刊论文

人类遗传病的家系收集疾病基因定位克隆与疾病基因功能的研究

夏家辉

期刊论文