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Construction of a universal recombinant expression vector that regulates the expression of human lysozyme

Shen LIU, Shengzhe SHANG, Xuezhen YANG, Huihua ZHANG, Dan LU, Ning LI

《农业科学与工程前沿（英文）》 2018年 第5卷 第3期   页码 382-389 doi: 10.15302/J-FASE-2018211

摘要：

The mammary gland provides a novel method for producing recombinant proteins in milk of transgenic animals. A key component in the technology is the construction of an efficient milk expression vector. Here, we established a simple method to construct a milk expression vector, by a combination of homologous recombination and digestion-ligation. Our methodology is expected to have the advantages of both plasmid and bacterial artificial chromosome (BAC) vectors. The BAC of mouse whey acidic protein gene (mWAP) was modified twice by homologous recombination to produce a universal expression vector, and the human lysozyme gene (hLZ) was then inserted into the vector by a digestion-ligation method. The final vector containing the 8.5 kb mWAP 5′ promoter, 4.8 kb hLZ genomic DNA, and 8.0 kb mWAP 3′ genomic DNA was microinjected into pronuclei of fertilized mouse embryos, to successfully generate two transgenic mouse lines that expressed recombinant human lysozyme (rhLZ) in milk. The highest expression level of rhLZ was 0.45 g·L−1, and rhLZ exhibited the same antibacterial activity as native hLZ. Our results have provided a simple approach to construct a universal milk expression vector, and demonstrated that the resulting vector regulates the expression of hLZ in milk.

关键词： BAC recombinant methods     gene expression     human lysozyme     transgenic mice     milk expression vector    

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Expression of recombinant human butyrylcholinesterase in the milk of transgenic mice

Dan LU,Shengzhe SHANG,Shen LIU,Ying WU,Fangfang WU,Tan TAN,Qiuyan LI,Yunping DAI,Xiaoxiang HU,Yaofeng ZHAO,Ning LI

《农业科学与工程前沿（英文）》 2014年 第1卷 第3期   页码 179-184 doi: 10.15302/J-FASE-2014020

摘要： Butyrylcholinesterase (BCHE) is a natural bioscavenger that protects humans against organophosphate toxicity. Due to the limited yield of human BCHE (hBCHE) when purifying from human plasma, it is necessary to find an alternative method to produce this protein. One potential method is to produce transgenic livestock that make modified milk containing high concentration of hBCHE. In this study, we cloned the gene into a human lactoferrin (hLF) bacterial artificial chromosome (BAC) construct to make a hLF-hBCHE BAC construct. Subsequently, we injected the BAC construct into pronuclei of mouse fertilized embryos and generated transgenic mice. Expression analysis showed that recombinant hBCHE (rhBCHE) was expressed efficiently in the mammary gland of the transgenic mice and the concentration of rhBCHE in the milk of individual mice ranged from 76±12 to 159±28 mg·L . Protein function tests showed that rhBCHE has the same enzymatic activity as the native hBCHE. Our results pave the way for making transgenic livestock to produce large quantities of rhBCHE.

关键词： recombinant human butyrylcholinesterase (rhBCHE)     human lactoferrin bacterial artificial chromosome (hLF BAC)     transgenic mice     milk    

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Development of pretreatment protocol for DNA extraction from biofilm attached to biologic activated carbon (BAC

Shuting ZHANG, Bo WEI, Xin YU, Bing LIU, Zhuoying WU, Li GU

《环境科学与工程前沿（英文）》 2010年 第4卷 第4期   页码 459-465 doi: 10.1007/s11783-010-0249-3

摘要： The biologic activated carbon (BAC) process is widely used in drinking water treatments. A comprehensive molecular analysis of the microbial community structure provides very helpful data to improve the reactor performance. However, the bottleneck of deoxyribonucleic acid (DNA) extraction from BAC attached biofilm has to be solved since the conventional procedure was unsuccessful due to firm biomass attachment and adsorption capacity of the BAC granules. In this study, five pretreatments were compared, and adding skim milk followed by ultrasonic vibration was proven to be the optimal choice. This protocol was further tested using the vertical BAC samples from the full-scale biofilter of Pinghu Water Plant. The results showed the DNA yielded a range of 40 μg·g BAC (dry weight) to over 100 μg·g BAC (dry weight), which were consistent with the biomass distribution. All results suggested that the final protocol could produce qualified genomic DNA as a template from the BAC filter for downstream molecular biology researches.

关键词： bacterial DNA extraction     biological activated carbon (BAC)     biofilm     water treatment     pretreatment protocol    

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High-expression of recombinant human concensus interferon-α by Pichia pastoris

HAO Yuyou, SHI Qiqi, HE Yun, ZHUANG Yingping, WANG Yonghong, ZHANG Siliang, CHU Ju, LIU Zhimin

《化学科学与工程前沿（英文）》 2007年 第1卷 第4期   页码 399-403 doi: 10.1007/s11705-007-0073-x

摘要： The present work focused on the high expression of recombinant human consensus interferon- (cIFN) by Pichia pastoris. The cycle of glycerol feeding, the strategy of methanol feeding and the optimum pH for protein induction were studied. The optimized strategies were a 4-h glycerol-feeding period, induction pH being kept at 5.0 and methanol concentration being kept under 5 g/L. The maximum dry cell weight, cIFN production and bioactivity obtained were 168, 1.24 g/L and 5.4×10 U/mL, respectively.

关键词： bioactivity     pastoris     maximum     induction     optimized    

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Expression and function of DMT1 without IRE in C6 cells mediated by recombinant adenovirus

Xixun DU*, Huamin XU*, Hong JIANG, Jun WANG, Lei WANG, Junxia XIE

《医学前沿（英文）》 2009年 第3卷 第1期   页码 67-71 doi: 10.1007/s11684-009-0010-0

摘要： Divalent metal transporter 1 (DMT1) is a ferrous iron import protein. The improper expression of DMT1 is involved in neurodegenerative diseases. In the present study, we constructed a recombinant adenovirus containing the gene of DMT1 without the iron response element (DMT1-IRE) and investigated its expression and function in the C6 glioma cell line. The DMT1-IRE gene, obtained by RT-PCR, was cloned into the shuttle plasmid pAdTrack-CMV containing green fluorescent protein (GFP) reporter gene. Linearized plasmid pAdTrack-CMV-DMT1-IRE was subsequently co-transformed into ( ) BJ5183 cells along with an adenoviral backbone plasmid pAdEasy-1 after digestion with I. I-digested pAdEasy1-DMT1-IRE was then transfected into E1-transformed human embryonic kidney cells (HEK293 cells) , in which recombinant adenoviruses were generated within 7 to 10 days. The results demonstrated that we obtained the DMT1-IRE gene. pAdEasy1-DMT1-IRE yielded a large fragment, plus a smaller fragment of 4.5 kb after digestion with I. PCR confirmed pAdEasy1-DMT1-IRE contained gene DMT1-IRE, indicating the successful construction of recombinant adenovirus plasmid containing DMT1-IRE. GFP fluorescence further confirmed the generation of adenovirus. AdDMT1-IRE could efficiently infect C6 glioma cells. And cell viability decreased in Ad-DMT1-IRE infected cells after iron overload compared to the control. These results suggest that the over expressed DMT1-IRE can aggravate the iron induced cell death due to its iron influx function.

关键词： divalent metal transporter 1     recombinant adenovirus     homologous recombination     iron    

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Recombinant protein diannexin prevents preeclampsia-like symptoms in a pregnant mouse model via reducing

《医学前沿（英文）》 2022年 第16卷 第6期   页码 919-931 doi: 10.1007/s11684-021-0918-6

摘要： Preeclampsia (PE) is characterized by placenta-mediated pregnancy complication. The only effective treatment for PE is the delivery of the placenta. However, this treatment may cause preterm birth and neonatal death. Therefore, preventing PE is needed. The mechanism of PE involves abnormal placentation, which leads to the release of anti-angiogenic and inflammatory mediators into maternal circulation. These mediators contribute to systemic vascular dysfunction, inflammatory responses, and excessive thrombin generation. Microparticles (MPs) are reportedly involved in PE by promoting the thromboinflammatory response. This study describes a strategy to prevent PE by reducing MP release using the recombinant protein, diannexin. Results showed that the patients with PE had elevated MP number and procoagulant activity and increased NLRP3 inflammasome activation. Additionally, diannexin remarkably reduced the release of MPs from activated cells by binding to phosphatidylserine exposed on the surface of activated cells. Moreover, in vivo results showed that diannexin could prevent PE-like symptoms by decreasing MPs and NLRP3 inflammasome activation in pregnant mice. Furthermore, diannexin effectively inhibited trophoblast cell activation and NLRP3 inflammasome activation in vitro. These findings suggested that diannexin inhibited MP release and might be an effective therapeutic strategy for preventing PE.

关键词： preeclampsia     recombinant protein diannexin     microparticle     NLRP3 inflammasome     phosphatidylserin    

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Clinical evaluation of recombinant human growth hormone injection in children with growth hormone deficiency

Ling HOU, Xiaoping LUO, Minlian DU, Huamei MA, Chunxiu GONG, Yuchuan LI, Shuixian SHEN, Zhuhui ZHAO, Li LIANG, Guanping DONG, Chaoying YAN, Hongwei DU

《医学前沿（英文）》 2009年 第3卷 第2期   页码 171-176 doi: 10.1007/s11684-009-0027-4

摘要： Recombinant human growth hormone (rhGH) has been widely used in the clinical treatment of growth hormone deficiency. To simplify the injection process and increase drug compliance, application of the GH injection has become a new treatment plan in recent years. The purpose of the current study was to evaluate the efficacy and safety of rhGH injection for the treatment of growth hormone deficiency (GHD) in children in China. In a nationwide, noncomparative, prospective, randomized, open trial, 31 children with confirmed complete GHD received subcutaneous injection of rhGH at 0.25 mg/kg·wk (0.107 IU/kg·d). The injection was given daily and the total weekly amount was separated into 6-7 injections. The patients were followed up at 3-month intervals and the treatment duration was 12 months. The height (HT), annual growth velocity (GV), mean height standard deviation score (HT SDS), blood serum insulin-like growth factor I (IGF-I), insulin-like growth factor binding protein 3 (IGFBP-3), and bone maturity before and after treatment were compared, and the safety of the treatment was analyzed. The mean HT, GV, and HT SDS were increased from 109.0±14 cm, 2.7±0.9 cm/yr, and -4.62±1.46 at baseline to 121.8±13.4 cm, 12.9±3.3 cm/yr, and -2.47±1.86 after 12 months of treatment, respectively ( <0.001). At the same time, blood IGF-I and IGFBP-3 were increased significantly [41.27±64.43 μg/L 159.21±167.92 μg/L and 1540.00±1325.11 mg/L 3533.93±1413.82 mg/L, respectively ( <0.001)]. The bone age assessments performed 6 and 12 months after the treatment showed that no advanced bone maturation was noted. No serious adverse events occurred during the treatment, and the drug-related adverse events were mainly decreased thyroid function. We conclude that rhGH injection is a safe and effective drug for treatment of growth hormone deficiency in children.

关键词： recombinant human growth hormone     injection     growth hormone deficiency    

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supplementation of thyroid hormone on treatment of idiopathic short-stature children during therapy with recombinant

Wei Wang, Shuqin Jiang, Zhirui Cui, Xiangyang Luo, Lingli Shi, Heli Zheng

《医学前沿（英文）》 2018年 第12卷 第5期   页码 580-585 doi: 10.1007/s11684-017-0585-9

摘要：

This study aimed to evaluate the effects of thyroid hormone supplementation on growth rate of children with idiopathic short stature (ISS) and low-normal serum free thyroxine FT4 who were receiving growth hormone therapy. We selected 64 prepubertal children with FT4 levels in the lowest third of the normal range as the lower FT4 group, and these children were divided randomly into two subgroups: L-thyroxine (L-T4)-treated subgroup was treated with L-T4 (0.5–3.0 g/(kg·d)) from the beginning of the study, and the non-L-T4-treated subgroup received placebo. We also selected 39 ISS children with FT4 in the upper two-thirds of the normal range as the higher FT4 group. During the first year, the lower FT4 group featured lower FT3, FT4, thyroid stimulating hormone (TSH), and insulin-like growth factor-I standard deviation score (IGF-I SDS) and significantly lower height velocity (HV) compared with the higher FT4 group. However, in the lower FT4 group, the L-T4-treated subgroup presented higher FT4, FT3, TSH, and IGF-I SDS concentrations and significantly higher HV compared with children in the non-L-T4-treated subgroup. In children with ISS, the negative effect of thyroid hormone deficiency on growth rate should be considered when FT4 level lies in the low-normal range prior to recombinant human growth hormone treatment.

关键词： therapeutic     idiopathic short-stature children     free T4     the first year     recombinant human growth hormone    

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High-level expression of recombinant IgG1 by CHO K1 platform

Ningning Xu, Jianfa Ou, Al-Karim (Al) Gilani, Lufang Zhou, Margaret Liu

《化学科学与工程前沿（英文）》 2015年 第9卷 第3期   页码 376-380 doi: 10.1007/s11705-015-1531-5

摘要： The Chinese Hamster Ovary (CHO K1) cell was used to express a targeted anti-cancer monoclonal antibody by optimizing the platform of the construction of production cell line in this study. The adherent CHO K1 was first adapted to suspension culture in chemical defined medium. Then the glutamine synthetase (GS) vector was applied to construct a single plasmid to overexpress a monoclonal antibody IgG1. Post transfection, the production of cell pool was optimized by glutamine-free selection and amplification using various concentrations of methionine sulfoximine. The best cell pool of CHO K1/IgG1 was used to screen the top single clone using the limiting dilution cloning. Finally, a high IgG1 production of 780 mg/L was obtained from a batch culture. This study demonstrated that the construction of high producing cell line, from gene to clone, could be completed within six month and the gene amplification improved protein production greatly.

关键词： Chinese hamster ovary (CHO)     monoclonal antibody     IgG1     amplification     cell line development    

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Regulation of exogenous bFGF gene mediated by recombinant adeno-associated virus

Ke SONG, Nianjing RAO, Meiling CHEN, Yingguang CAO

《医学前沿（英文）》 2009年 第3卷 第2期   页码 158-163 doi: 10.1007/s11684-009-0042-5

摘要： The regulatory effect of basic fibroblast growth factor (bFGF) mediated by recombinant adeno-associated virus (AAV) was investigated. Recombinant plasmid pAAV-S3-bFGF, and pSVneo were co-transfected into BHK-21 cells, then the recombinant AAV genome was replicated and packaged with the helper virus HSV1-rc/ΔUL2. The titer of the recombinant rAAV2-tet-off-bFGF was determined by dot-blot assay. MC3T3-E1 cells were infected with rAAV2-tet-off-bFGF. Regulatory effects of Doxycycline (Dox) on bFGF and osteogenic factors were assayed quantitatively by real-time reverse transcription-polymerase chain reaction (RT-PCR) and Western blot. The physical particle titer of rAAV2-tet-off-bFGF successfully constructed was 1.8×10 vector genomes/mL, and the virus could infect MC3T3-E1 cells effectively. In MC3T3-E1 cells treated with Dox, the expression levels of exogenous bFGF and osteogenic factors declined to varying degrees. It was concluded that rAAV2-tet-off-bFGF could infect MC3T3 cells efficiently, and this recombinant system could be regulated successfully by Dox .

关键词： tetracycline regulatory system     adeno-associated virus     basic fibroblast growth factor     gene regulation    

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Study of recombinant human IFN-α-2b bacilli Calmette–Guerin activated killer cells and against bladder

FAN Xiaodong, HAN Ruifa

《医学前沿（英文）》 2007年 第1卷 第4期   页码 377-380 doi: 10.1007/s11684-007-0073-8

摘要： Presently, one of the most potent immunotherapies is the application of bacillus Calmette Guerin (BCG) to prevent recurrences of the superficial bladder cancer. Despite its successful use, nonresponders and certain side effects remain a major obstacle. Therefore, current studies aim at developing recombinant BCG (rBCG) strains secreting Th1-like cytokines to improve the effectiveness of the therapy. In this study, a new type of rBCG strain constructed by Tianjin institute of Urology was tested for its immunostimulatory capacity . Peripheral blood monocytes (PBMC) were stimulated by recombinant BCG and transformed into bacilli Calmette–Guerin activated killer (BAK) cells, and the effect of anticancer BAK cells was studied. Recombinant IFN--2b-BCG, wild-type BCG (wBCG), wild-type BCG and IFN--2b were coincubated with PBMCs respectively , and the proliferation of PBMC was detected with MTT in different time. BAK cells have the ability to kill bladder tumor cells, and the antitumor activity of effecter cells was determined by LDH release assay. The result of MTT showed that the proliferation of PBMC in the recombinant BCG group was more powerful than in the other two groups (<0.05). The result of LDH release assay showed that the antitumor activity of BAK cells stimulated by Recombinant BCG was the highest in all groups. We conclude that the recombinant BCG can activate more PBMCs to anti-bladder cancer than wild-type BCG does.

关键词： Urology     powerful     2b-BCG     Tianjin institute     wild-type    

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A review of optimization modeling and solution methods in renewable energy systems

《工程管理前沿（英文）》   页码 640-671 doi: 10.1007/s42524-023-0271-3

摘要： The advancement of renewable energy (RE) represents a pivotal strategy in mitigating climate change and advancing energy transition efforts. A current of research pertains to strategies for fostering RE growth. Among the frequently proposed approaches, employing optimization models to facilitate decision-making stands out prominently. Drawing from an extensive dataset comprising 32806 literature entries encompassing the optimization of renewable energy systems (RES) from 1990 to 2023 within the Web of Science database, this study reviews the decision-making optimization problems, models, and solution methods thereof throughout the renewable energy development and utilization chain (REDUC) process. This review also endeavors to structure and assess the contextual landscape of RES optimization modeling research. As evidenced by the literature review, optimization modeling effectively resolves decision-making predicaments spanning RE investment, construction, operation and maintenance, and scheduling. Predominantly, a hybrid model that combines prediction, optimization, simulation, and assessment methodologies emerges as the favored approach for optimizing RES-related decisions. The primary framework prevalent in extant research solutions entails the dissection and linearization of established models, in combination with hybrid analytical strategies and artificial intelligence algorithms. Noteworthy advancements within modeling encompass domains such as uncertainty, multienergy carrier considerations, and the refinement of spatiotemporal resolution. In the realm of algorithmic solutions for RES optimization models, a pronounced focus is anticipated on the convergence of analytical techniques with artificial intelligence-driven optimization. Furthermore, this study serves to facilitate a comprehensive understanding of research trajectories and existing gaps, expediting the identification of pertinent optimization models conducive to enhancing the efficiency of REDUC development endeavors.

关键词： renewable energy system     bibliometrics     mathematical programming     optimization models     solution methods    

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Regulatory issues for genetically modified animals

Perry Bradbury HACKETT

《农业科学与工程前沿（英文）》 2020年 第7卷 第2期   页码 188-203 doi: 10.15302/J-FASE-2019307

摘要：

Precision genetics and breeding have the potential to meet the agricultural needs and goals of the world in the 21st century. These needs include increasing the efficiency of production of animals and improving their products with minimal impact on the environment. The USA is the major innovator in genomic science and the acknowledged leader in formulating policies to regulate genetic applications in medicine and agriculture. However, governments worldwide have been exceedingly reluctant to support the introduction of genetically modified (GM) animals into agriculture. Regulatory policies have stagnated due to legal guidelines that could not anticipate the needs and solutions that are evident today. This must change if we are to maintain planetary integrity. I propose a new, market-based regulatory model for GM livestock that has both a strong scientific foundation and has worked for 10000 years. The model is similar to that for information technology in which specific algorithms drive computer and cell phone applications. Genome engineers write genetic algorithms that drive the traits in biological organisms. Accordingly, GM products should be viewed in terms of their use and public benefit rather than by limitations to the genetic programing coming from a few highly vocal groups. Genetic algorithms (Genapps) of the 21st century will include not only introduction of synthetic genes, but also complete natural and synthetic biochemical pathways to produce agricultural products that are maximally efficient, healthy to humans and animals, and sustainable in an era of changing climates while avoiding environmental degradation.

关键词： algorithms     editing     FDA     GMO     recombinant DNA     USDA    

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Antifungal and antibacterial functions of medicinal leech recombinant destabilase-lysozyme and its heated-up

T. G. YUDINA, Danyang GUO, N. F. PISKUNKOVA, I. B. PAVLOVA, L. L. ZAVALOVA, I. P. BASKOVA

《化学科学与工程前沿（英文）》 2012年 第6卷 第2期   页码 203-209 doi: 10.1007/s11705-012-1277-2

摘要： Antifungal activity of recombinant medicinal leech destabilase-lysozyme (rec.Dest-Lys) was investigated by using fungi: , and , including yeasts and . Its antibacterial activity was investigated on gram-negative bacteria . These activities were assessed by radial agar diffusion assay, and scanning and transmission electron microscopy. Therefore, destabilase-lysozyme not only is endo-isopeptidase and lysozyme, but also has antifungal and antibacterial activities. Muramidase activity of rec.Dest-Lys disappeared after heat-treating at 90°C for 50 min without the loss of its antimicrobial activity. Furthermore we showed for the first time that the heated-up derivative of rec.Dest-Lys exhibited more potent activities against the above enumerated fungi and gram-negative bacteria than original protein.

关键词： recombinant destabilase-lysozyme (rec.Dest-Lys)     antimicrobial activity     antifungal activity     medicinal leech     heated-up derivative of rec.Dest-Lys (T-rec.Dest-Lys)    

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Intelligent methods for the process parameter determination of plastic injection molding

Huang GAO, Yun ZHANG, Xundao ZHOU, Dequn LI

《机械工程前沿（英文）》 2018年 第13卷 第1期   页码 85-95 doi: 10.1007/s11465-018-0491-0

摘要：

Injection molding is one of the most widely used material processing methods in producing plastic products with complex geometries and high precision. The determination of process parameters is important in obtaining qualified products and maintaining product quality. This article reviews the recent studies and developments of the intelligent methods applied in the process parameter determination of injection molding. These intelligent methods are classified into three categories: Case-based reasoning methods, expert system-based methods, and data fitting and optimization methods. A framework of process parameter determination is proposed after comprehensive discussions. Finally, the conclusions and future research topics are discussed.

关键词： injection molding     intelligent methods     process parameters     optimization    

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标题 作者 时间 类型 操作

Construction of a universal recombinant expression vector that regulates the expression of human lysozyme

Shen LIU, Shengzhe SHANG, Xuezhen YANG, Huihua ZHANG, Dan LU, Ning LI

期刊论文

Expression of recombinant human butyrylcholinesterase in the milk of transgenic mice

Dan LU,Shengzhe SHANG,Shen LIU,Ying WU,Fangfang WU,Tan TAN,Qiuyan LI,Yunping DAI,Xiaoxiang HU,Yaofeng ZHAO,Ning LI

期刊论文

Development of pretreatment protocol for DNA extraction from biofilm attached to biologic activated carbon (BAC

Shuting ZHANG, Bo WEI, Xin YU, Bing LIU, Zhuoying WU, Li GU

期刊论文

High-expression of recombinant human concensus interferon-α by Pichia pastoris

HAO Yuyou, SHI Qiqi, HE Yun, ZHUANG Yingping, WANG Yonghong, ZHANG Siliang, CHU Ju, LIU Zhimin

期刊论文

Expression and function of DMT1 without IRE in C6 cells mediated by recombinant adenovirus

Xixun DU*, Huamin XU*, Hong JIANG, Jun WANG, Lei WANG, Junxia XIE

期刊论文

Recombinant protein diannexin prevents preeclampsia-like symptoms in a pregnant mouse model via reducing

期刊论文

Clinical evaluation of recombinant human growth hormone injection in children with growth hormone deficiency

Ling HOU, Xiaoping LUO, Minlian DU, Huamei MA, Chunxiu GONG, Yuchuan LI, Shuixian SHEN, Zhuhui ZHAO, Li LIANG, Guanping DONG, Chaoying YAN, Hongwei DU

期刊论文

supplementation of thyroid hormone on treatment of idiopathic short-stature children during therapy with recombinant

Wei Wang, Shuqin Jiang, Zhirui Cui, Xiangyang Luo, Lingli Shi, Heli Zheng

期刊论文

High-level expression of recombinant IgG1 by CHO K1 platform

Ningning Xu, Jianfa Ou, Al-Karim (Al) Gilani, Lufang Zhou, Margaret Liu

期刊论文

Regulation of exogenous bFGF gene mediated by recombinant adeno-associated virus

Ke SONG, Nianjing RAO, Meiling CHEN, Yingguang CAO

期刊论文

Study of recombinant human IFN-α-2b bacilli Calmette–Guerin activated killer cells and against bladder

FAN Xiaodong, HAN Ruifa

期刊论文

A review of optimization modeling and solution methods in renewable energy systems

期刊论文

Regulatory issues for genetically modified animals

Perry Bradbury HACKETT

期刊论文

Antifungal and antibacterial functions of medicinal leech recombinant destabilase-lysozyme and its heated-up

T. G. YUDINA, Danyang GUO, N. F. PISKUNKOVA, I. B. PAVLOVA, L. L. ZAVALOVA, I. P. BASKOVA

期刊论文

Intelligent methods for the process parameter determination of plastic injection molding

Huang GAO, Yun ZHANG, Xundao ZHOU, Dequn LI

期刊论文