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基于细胞打印的三维MCF-7乳腺癌细胞球高通量构建研究 Article

凌楷,黄国友,刘俊聪,张晓慧,马玉菲,卢天健,徐峰

《工程（英文）》 2015年 第1卷 第2期   页码 269-274 doi: 10.15302/J-ENG-2015062

摘要：

基于细胞球的体外组织模型在生理病理机理和药物筛选方面具有重要的研究意义和广阔的应用前景，利用微纳生物制造技术可控构建细胞球已吸引了越来越多研究者的关注。微孔板法作为一种简单易行的细胞球构建方法经常被研究者采用，但目前的微孔板法存在结构制备和可控性不足、细胞种植不均匀以及细胞容易流失等问题。本文利用自行搭建的细胞打印技术制备载细胞的明胶微凝胶作为模板，构建了带有凹面微孔阵列的聚乙二醇二甲基丙烯酸酯水凝胶微孔板芯片并原位形成了乳腺癌细胞球。本方法操作灵活、可控性好，避免了细胞种植不均匀和细胞流失等问题，在组织工程、再生医学以及药物筛选等研究具有重要的应用价值。

关键词： MCF-7细胞球     细胞打印     水凝胶     微孔板芯片    

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Time-dependent metabolomics uncover dynamic metabolic adaptions in MCF-7 cells exposed to bisphenol A

《环境科学与工程前沿（英文）》 2023年 第17卷 第1期 doi: 10.1007/s11783-023-1604-5

摘要：

● Metabolomic temporal profiling of cells exposed to xenobiotics.

关键词： Metabolomics     BPA     MCF-7     Temporal profiling     Metabolic adaption     Dysregulation correlation    

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间充质干细胞治疗人感染H7N9禽流感病毒所致急性呼吸窘迫综合征的临床研究——为新冠病毒肺炎救治提供新策略 Article

陈佳佳, 胡晨霞, 陈利军, 汤灵玲, 朱一新, 徐小微, 陈露, 高海女, 鲁晓庆, 俞亮, 戴霞红, 项春生, 李兰娟

《工程（英文）》 2020年 第6卷 第10期   页码 1153-1161 doi: 10.1016/j.eng.2020.02.006

摘要：

2013年，H7N9病毒在哺乳动物宿主之间迅速传播，并具有人与人之间传播的风险。间充质干细胞（mesenchymal stem cell, MSC）移植在病毒性肺炎的治疗中有广阔的前景，并于2013年作为应急性治疗方法来治疗H7N9感染的ARDS。根据自愿和知情同意的原则，17例H7N9感染的ARDS患者移植同种异体经血来源的MSC作为治疗组，44例H7N9感染的ARDS患者作为对照组。总体而言，该研究结果表明MSC移植显著提高了H7N9感染的ARDS的存活率，并为开展临床前和临床应用MSC治疗H7N9感染的ARDS的研究提供了理论基础。由于H7N9和2019新型冠状病毒性肺炎（coronavirus disease 2019, COVID-19）临床表现相似（如ARDS和呼吸衰竭），并继发多器官功能障碍，因此基于MSC的疗法可能为COVID

关键词： H7N9     间充质干细胞     甲型流感     急性呼吸窘迫综合征     新型冠状病毒性肺炎     干细胞治疗    

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131I标记的人源化抗B7-H3抗体用于胶质母细胞瘤放射免疫疗法的治疗特性 Article

傅丰庆, Meng Zheng, Shandong Zhao, Yan Wang, Minzhou Huang, Hanqing Chen, Ziyi Huang, Kaijie Zhang, 缪丽燕, 张学光

《工程（英文）》 2023年 第30卷 第11期   页码 190-202 doi: 10.1016/j.eng.2023.05.011

摘要：

B7 homolog 3 (B7-H3) has attracted much attention in glioblastoma (GBM) radioimmunotherapy (RIT) due to its abnormally high expression on tumor cells. In this study, we report that two specific humanized anti-human B7-H3 antibodies (hu4G4 and hu4H12) derived from mouse anti-human B7-H3 antibodies that were generated by computer-aided design and exclusively recognize membrane expression of B7-H3 by human glioma cells. Hu4G4 and hu4H12 were radiolabeled with 89Zr for RIT antibody screening. Micro-positron emission tomography (PET) imaging, biodistribution and pharmacokinetic (PK) analyses of 89Zr-labeled antibodies were performed in U87-xenografted models. 125I labelling of the antibodies for single-photon emission computed tomography (SPECT) imaging was also used to investigate the biological behavior of the antibodies in vivo. Furthermore, the pharmacodynamic (PD) of the 131Ilabeled antibodies were evaluated in U87-xenografted mice and GL261 Red-FLuc-B7-H3 in situ glioma tumor models. Micro-PET imaging and biodistribution analysis with a gamma counter showed that 89Zr-deferoxamine (DFO)-hu4G4 had higher tumor targeting performance with lower liver uptake than 89Zr-DFO (hu4H12, immunoglobulin G (IgG)). The biodistribution results of 125I-SPECT imaging were similar to those of 89Zr-PET imaging, though the biodistribution in long bone joints and the thyroid varied. The PD analysis results indicated that 131I-hu4G4 had an excellent therapeutic effect and high safety with no apparent toxicity. Interestingly, 131I-hu4G4 improved the tumor vasculature in tissues with higher expression of collagen type IV and platelet-derived growth factor receptor b (PDGFR-b) compared with control treatment, as determined by immunofluorescence (IF), which contributed to inhibiting tumor growth. Taken together, our data indicate that hu4G4 exhibits good tumor targeting and specificity, achieves low nonspecific concentrations in normal tissues, and has acceptable PK characteristics. 131I-hu4G4 also exerts effective antitumor effects with an ideal safety profile. Therefore, we expect hu4G4 to be an excellent antibody for the development of GBM RIT.

关键词： B7-H3     Radioimmunotherapy     Glioblastoma     Pharmacokinetics     Pharmacodynamics    

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Resistance of large deformation of the Wushaoling Tunnel F7 soft fault

ZHAO Xufeng, CHEN Haiming, WANG Chunmiao

《结构与土木工程前沿（英文）》 2007年 第1卷 第1期   页码 123-127 doi: 10.1007/s11709-007-0013-3

摘要： In this article, the mechanical characteristics of the squeeze of the F7 fault of the Wushaoling Tunnel are analyzed. The measurements and techniques are proposed to resist the deformation. The result indicates that the method of construction to control the further squeeze deflection is appropriate.

关键词： F7     deformation     appropriate     construction     mechanical    

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中国工程科学2005年第7卷总目次

null

《中国工程科学》 2005年 第7卷 第12期   页码 98-102

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Acid Orange 7 degradation using methane as the sole carbon source and electron donor

《环境科学与工程前沿（英文）》 2022年 第16卷 第3期 doi: 10.1007/s11783-021-1468-5

摘要：

• AO7 degradation was coupled with anaerobic methane oxidation.

关键词： Azo dyes     AO7 degradation     Anaerobic methane oxidation     Microbial community     ANME-2d    

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Nicotinic acetylcholine receptor α7 subunit: a novel therapeutic target for cardiovascular diseases

null

《医学前沿（英文）》 2012年 第6卷 第1期   页码 35-40 doi: 10.1007/s11684-012-0171-0

摘要：

Inflammation is important in the pathogenesis and development of cardiovascular diseases. Recent studies show that vagus nerve stimulation inhibits pro-inflammatory cytokine production through “the cholinergic anti-inflammatory pathway,” more specifically via the α7 nicotinic acetylcholine receptor (α7nAChR). In the current study, the role of the cholinergic anti-inflammatory pathway during septic shock, hypertension, and myocardial infarction is reviewed, and its possible clinical implications in cardiovascular diseases are discussed.

关键词： α7 nicotinic acetylcholine receptor     cardiovascular diseases     baroreflex sensitivity    

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Research progress on human infection with avian influenza H7N9

Xiaoxin Wu, Lanlan Xiao, Lanjuan Li

《医学前沿（英文）》 2020年 第14卷 第1期   页码 8-20 doi: 10.1007/s11684-020-0739-z

摘要： Since the first case of novel H7N9 infection was reported, China has experienced five epidemics of H7N9. During the fifth wave, a highly pathogenic H7N9 strain emerged. Meanwhile, the H7N9 virus continues to accumulate mutations, and its affinity for the human respiratory epithelial sialic acid 2-6 receptor has increased. Therefore, a pandemic is still possible. In the past 6 years, we have accumulated rich experience in dealing with H7N9, especially in terms of virus tracing, epidemiological research, key site mutation monitoring, critical disease mechanisms, clinical treatment, and vaccine development. In the research fields above, significant progress has been made to effectively control the spread of the epidemic and reduce the fatality rate. To fully document the research progress concerning H7N9, we reviewed the clinical and epidemiological characteristics of H7N9, the key gene mutations of the virus, and H7N9 vaccine, thus providing a scientific basis for further monitoring and prevention of H7N9 influenza epidemics.

关键词： H7N9     pandemic     epidemiology     mutations     vaccine     influenza    

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A study on rapid acid chrome black (MB 7) spectrophotometric determination of ClO

Jing DONG, Huilong WANG

《化学科学与工程前沿（英文）》 2011年 第5卷 第2期   页码 245-251 doi: 10.1007/s11705-010-1003-x

摘要： Experiments were conducted to investigate the degradation of 2,6-dinitro- -cresol (DNPC) in the chlorine dioxide (ClO ) catalytic oxidation process. Pure aluminum oxide was used as the catalyst in this process. The degradation of DNPC by ClO using aluminum oxide as catalyst was systematically studied by varying the experimental parameters, such as pH values, catalyst dosage, the initial concentration of DNPC and ClO , reaction time, etc. Under optimal condition (DNPC concentration 39 mg·L , ClO concentration 0.234 g·L , reaction time 15 min, catalyst dosage 4.7 g·L and pH 4.32), almost complete degradation of DNPC can be achieved. The kinetic studies revealed that the ClO catalytic oxidation degradation of DNPC followed pseudo-first-order kinetics with respect to both ClO and DNPC concentration. The repetitive use of the catalyst was investigated along sequential feed-batch trials. The catalyst performed efficiently after five runs. In addition, a simple and convenient method for the determination of ClO in water was developed by using acid chrome black 7 (MB 7) spectrophotometry in this paper.

关键词： chlorine dioxide     2     6-dinitro-p-cresol (DNPC)     aluminum oxide     water treatment     MB 7 spectrophotometry    

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Erratum to “After Highflyer Crashes, Airborne Wind Energy Regroups” [Engineering 7 (2021) 277–279]

Peter Weiss

《工程（英文）》 2021年 第7卷 第10期   页码 1506-1506 doi: 10.1016/j.eng.2021.08.004

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Universal influenza virus vaccines: what can we learn from the human immune response following exposure to H7

null

《医学前沿（英文）》 2017年 第11卷 第4期   页码 471-479 doi: 10.1007/s11684-017-0602-z

摘要：

Several universal influenza virus vaccine candidates based on eliciting antibodies against the hemagglutinin stalk domain are in development. Typically, these vaccines induce responses that target group 1 or group 2 hemagglutinins with little to no cross-group reactivity and protection. Similarly, the majority of human anti-stalk monoclonal antibodies that have been isolated are directed against group 1 or group 2 hemagglutinins with very few that bind to hemagglutinins of both groups. Here we review what is known about the human humoral immune response to vaccination and infection with H7 subtype influenza viruses on a polyclonal and monoclonal level. It seems that unlike vaccination with H5 hemagglutinin, which induces antibody responses mostly restricted to the group 1 stalk domain, H7 exposure induces both group 2 and cross-group antibody responses. A better understanding of this phenomenon and the underlying mechanisms might help to develop future universal influenza virus vaccine candidates.

关键词： universal influenza virus vaccine     hemagglutinin stalk     H7N9    

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Compiling of comprehensive data of human infections with novel influenza A (H7N9) virus

null

《医学前沿（英文）》 2013年 第7卷 第3期   页码 275-276 doi: 10.1007/s11684-013-0285-z

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RGS16 regulated by let-7c-5p promotes glioma progression by activating PI3K-AKT pathway

《医学前沿（英文）》 2023年 第17卷 第1期   页码 143-155 doi: 10.1007/s11684-022-0929-y

摘要： Gliomas are the most common central nervous system tumours; they are highly aggressive and have a poor prognosis. RGS16 belongs to the regulator of G-protein signalling (RGS) protein family, which plays an important role in promoting various cancers, such as breast cancer, pancreatic cancer, and colorectal cancer. Moreover, previous studies confirmed that let-7c-5p, a well-known microRNA, can act as a tumour suppressor to regulate the progression of various tumours by inhibiting the expression of its target genes. However, whether RGS16 can promote the progression of glioma and whether it is regulated by miR let-7c-5p are still unknown. Here, we confirmed that RGS16 is upregulated in glioma tissues and that high expression of RGS16 is associated with poor survival. Ectopic deletion of RGS16 significantly suppressed glioma cell proliferation and migration both in vitro and in vivo. Moreover, RGS16 was validated as a direct target gene of miR let-7c-5p. The overexpression of miR let-7c-5p obviously downregulated the expression of RGS16, and knocking down miR let-7c-5p had the opposite effect. Thus, we suggest that the suppression of RGS16 by miR let-7c-5p can promote glioma progression and may serve as a potential prognostic biomarker and therapeutic target in glioma.

关键词： RGS16     let-7c-5p     glioma     proliferation     migration    

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Novel variants in LAMA3 and COL7A1 and recurrent variant in KRT5 underlying epidermolysis bullosa in

《医学前沿（英文）》 2022年 第16卷 第5期   页码 808-814 doi: 10.1007/s11684-021-0878-x

摘要： Epidermolysis bullosa (EB) is a group of clinically and genetically heterogeneous diseases characterized by trauma-induced mucocutaneous fragility and blister formation. Here, we investigated five Chinese families with EB, and eight variants including a novel nonsense variant (c.47G>A, p.W16*) in LAMA3, a known recurrent variant (c.74C>T, p.P25L) in KRT5, 2 novel (c.2531T>A, p.V844E; c.6811_6814del, p.R2271fs) and 4 known (c.6187C>T, p.R2063W; c.7097G>A, p.G2366D; c.8569G>T, p.E2857*; c.3625_3635del, p.S1209fs) variants in COL7A1 were detected. Notably, this study identified a nonsense variant in LAMA3 that causes EB within the Chinese population and revealed that this variant resulted in a reduction in LAMA3 mRNA and protein expression levels by nonsense-mediated mRNA decay. Our study expands the mutation spectra of Chinese patients with EB.

关键词： epidermolysis bullosa     LAMA3     COL7A1     KRT5     Chinese families    

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标题 作者 时间 类型 操作

基于细胞打印的三维MCF-7乳腺癌细胞球高通量构建研究

凌楷,黄国友,刘俊聪,张晓慧,马玉菲,卢天健,徐峰

期刊论文

Time-dependent metabolomics uncover dynamic metabolic adaptions in MCF-7 cells exposed to bisphenol A

期刊论文

间充质干细胞治疗人感染H7N9禽流感病毒所致急性呼吸窘迫综合征的临床研究——为新冠病毒肺炎救治提供新策略

陈佳佳, 胡晨霞, 陈利军, 汤灵玲, 朱一新, 徐小微, 陈露, 高海女, 鲁晓庆, 俞亮, 戴霞红, 项春生, 李兰娟

期刊论文

131I标记的人源化抗B7-H3抗体用于胶质母细胞瘤放射免疫疗法的治疗特性

傅丰庆, Meng Zheng, Shandong Zhao, Yan Wang, Minzhou Huang, Hanqing Chen, Ziyi Huang, Kaijie Zhang, 缪丽燕, 张学光

期刊论文

Resistance of large deformation of the Wushaoling Tunnel F7 soft fault

ZHAO Xufeng, CHEN Haiming, WANG Chunmiao

期刊论文

中国工程科学2005年第7卷总目次

null

期刊论文

Acid Orange 7 degradation using methane as the sole carbon source and electron donor

期刊论文

Nicotinic acetylcholine receptor α7 subunit: a novel therapeutic target for cardiovascular diseases

null

期刊论文

Research progress on human infection with avian influenza H7N9

Xiaoxin Wu, Lanlan Xiao, Lanjuan Li

期刊论文

A study on rapid acid chrome black (MB 7) spectrophotometric determination of ClO

Jing DONG, Huilong WANG

期刊论文

Erratum to “After Highflyer Crashes, Airborne Wind Energy Regroups” [Engineering 7 (2021) 277–279]

Peter Weiss

期刊论文

Universal influenza virus vaccines: what can we learn from the human immune response following exposure to H7

null

期刊论文

Compiling of comprehensive data of human infections with novel influenza A (H7N9) virus

null

期刊论文

RGS16 regulated by let-7c-5p promotes glioma progression by activating PI3K-AKT pathway

期刊论文

Novel variants in LAMA3 and COL7A1 and recurrent variant in KRT5 underlying epidermolysis bullosa in

期刊论文