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Cell surface protein engineering for high-performance whole-cell catalysts
Hajime Nakatani,Katsutoshi Hori
《化学科学与工程前沿(英文)》 2017年 第11卷 第1期 页码 46-57 doi: 10.1007/s11705-017-1609-3
关键词: cell surface engineering surface display whole-cell catalysts bioprocess
Protein microspheres for pulmonary drug delivery
Yongda SUN,
《化学科学与工程前沿(英文)》 2010年 第4卷 第1期 页码 82-86 doi: 10.1007/s11705-009-0307-1
关键词: advanced engineering improved pressure aqueous technique
Systems understanding of plant–pathogen interactions through genome-wide protein–protein interaction
Hong LI,Ziding ZHANG
《农业科学与工程前沿(英文)》 2016年 第3卷 第2期 页码 102-112 doi: 10.15302/J-FASE-2016100
关键词: plant–pathogen interactions systems biology omics plant immunity protein–protein interaction network
The role of protein kinase C epsilon in neural signal transduction and neurogenic diseases
null
《医学前沿(英文)》 2011年 第5卷 第1期 页码 70-76 doi: 10.1007/s11684-011-0119-9
Protein kinase C epsilon (PKC ?) is one of major isoforms in novel PKC family. Although it has been extensively characterized in the past decade, the role of PKC ? in neuron is still not well understood. Advances in molecular biology have now removed significant barriers to the direct investigation of PKC ? functions in vivo, and PKC ? has been increasingly implicated in the neural biological functions and associated neurogenic diseases. Recent studies have provided important insights into the influence of PKC ? on cortical processing at both the single cell level and network level. These studies provide compelling evidence that PKC ? could regulate distinct aspects of neural signal transduction and suggest that the coordinated actions of a number of molecular signals contribute to the specification and differentiation of PKC ? signal pathway in the developing brain.
关键词: protein kinase C ? signal transduction neurogenic disease
Wheat gluten protein and its impacts on wheat processing quality
Wujun MA, Zitong YU, Maoyun SHE, Yun ZHAO, Shahidul ISLAM
《农业科学与工程前沿(英文)》 2019年 第6卷 第3期 页码 279-287 doi: 10.15302/J-FASE-2019267
Before the advent of the wheat genomic era, a wide range of studies were conducted to understand the chemistry and functions of the wheat storage proteins, which are the major determinants of wheat flour the suitability of wheat flour for various end products, such as bread, noodles and cakes. Wheat grain protein is divided into gluten and non-gluten fractions and the wheat processing quality mainly depends on the gluten fractions. Gluten provides the unique extensibility and elasticity of dough that are essential for various wheat end products. Disulfide bonds are formed between cysteine residues, which is the chemical bases for the physical properties of dough. Based on the SDS-extractability, grain protein is divided into SDS-unextractable polymeric protein (UPP) and SDS-extractable polymeric protein. The percentage of UPP is positively related to the formation of disulfide bonds in the dough matrix. In the wheat genomic era, new glutenins with long repetitive central domains that contain a high number of consensus hexapeptide and nonapeptide motifs as well as high content of cysteine and glutamine residues should be targeted.
关键词: wheat gluten consensus motifs disulfide bonds SDS-unextractable polymeric protein glutenins gliadins processing quality storage protein
《化学科学与工程前沿(英文)》 2023年 第17卷 第8期 页码 1131-1139 doi: 10.1007/s11705-023-2321-0
关键词: biomass riboflavin sodium phosphate silk protein multifunctional modification flame retardant
Antithrombin deficiency and decreased protein C activity in a young man with venous thromboembolism:
null
《医学前沿(英文)》 2018年 第12卷 第3期 页码 319-323 doi: 10.1007/s11684-017-0553-4
Antithrombin and protein C are two crucial members in the anticoagulant system and play important roles in hemostasis. Mutations in and lead to deficiency or dysfunction of the two proteins, which could result in venous thromboembolism (VTE). Here, we report a Chinese 22-year-old young man who developed recurrent and serious VTE in cerebral veins, visceral veins, and deep veins of the lower extremity. Laboratory tests and direct sequencing of and were conducted for the patient and his family members. Coagulation tests revealed that the patient presented type I antithrombin deficiency combined with decreased protein C activity resulting from a small insertion mutation c.848_849insGATGT in and a short deletion variant c.572_574delAGA in . This combination of the two mutations was absent in 400 healthy subjects each from southern and northern China. Then, we summarized all the mutations of the and gene reported in the Chinese Han population. This study demonstrates that the combination of antithrombin deficiency and decreased protein C activity can result in severe VTE and that the coexistence of different genetic factors may increase the risk of VTE.
关键词: antithrombin deficiency protein C activity mutation variant venous thromboembolism anticoagulants
通过蛋白质工程提高聚酯水解酶对PET 塑料的降解效率 Article
马渊, 姚明东, 李炳志, 丁明珠, 何博, 陈思, 周晓, 元英进
《工程(英文)》 2018年 第4卷 第6期 页码 888-893 doi: 10.1016/j.eng.2018.09.007
来自Ideonella sakaiensis 的聚对苯二甲酸乙二醇酯水解酶(PETase)在室温下具有很强的降解聚对苯二甲酸乙二醇酯(PET)的能力,因此被认为是解决聚酯塑料污染问题的潜在工具。在本研究中,基于PETase 和底物2PET 结合时的相互作用模型,分析了PETase 与底物2PET 之间的相互作用,从而对底物结合沟壑周围的六个关键残基进行改造。为了更加快速地筛选突变体酶的活性,本研究利用无细胞蛋白表达体系对设计的PETase 突变体进行高通量的表达和验证。最终发现三种突变体(R61A、L88F 和I179F)的酶活性相比野生型分别提高了1.4 倍、2.1 倍和2.5 倍。其中,I179F突变体的酶活性最高,降解效率为22.5 mg·μmol–1·d–1。因此,本研究通过蛋白质工程对PETase 的关键疏水位点进行设计和改造,获得了降解效果提高的酶突变体,并进一步证实了其生物降解塑料的潜力。
Baicheng HUANG, Kegong TIAN
《农业科学与工程前沿(英文)》 2020年 第7卷 第2期 页码 218-226 doi: 10.15302/J-FASE-2020324
Emergent coronaviruses (CoVs) such as SARS-CoV and MERS-CoV have posed great threats to public health worldwide over the past two decades. Currently, the emergence of SARS-CoV-2 as a pandemic causes greater public health concern. CoV diversity is due to the large size and replication mechanisms of the genomes together with having bats as their optimum natural hosts. The ecological behavior and unique immune characteristics of bats are optimal for the homologous recombination of CoVs. The relationship of spatial structural characteristics of the spike protein, a protein that is critical for recognition by host receptors, in different CoVs may provide evidence in explaining the coevolution of CoVs and their hosts. This information may help to enhance our understanding of CoV evolution and thus provide part of the basis of preparations for any future outbreaks.
关键词: bat coronavirus evolution host receptor spike protein transmission
用于实时皮肤创面愈合的超强工程化蛋白凝聚体黏合剂 Article
李铭, 柳柏梅, 徐炜, 赵来, 王自立, 何浩男, 李敬敬, 王帆, 马超, 刘凯, 张洪杰
《工程(英文)》 2023年 第31卷 第12期 页码 76-85 doi: 10.1016/j.eng.2023.07.013
黏合剂作为生物医学工程中的一种先进方式,因其独特的伤口管理行为而备受关注。然而,由于当前的黏合剂系统界面粘合强度较弱,要实现牢固的黏合仍是一项巨大的挑战。此外,传统化学黏合剂缺乏动态适应性,限制了伤口周围的新生细胞向该部分迁移,导致组织再生效果不佳。在此,我们精心设计了一种具有强大黏附力和实时促皮肤愈合效果的细胞外基质衍生的生物复合黏合剂。在嵌合蛋白和天然DNA间超分子相互作用的积极参与下,液-液相分离被很好地用来驱动生物复合黏合剂的组装,从而获得增强的黏合性能。该生物黏合剂具有出色的黏合和止血性能,其中,剪切黏合强度约18 MPa,优于已报道的同类产品。此外,工程生物衍生成分赋予了该黏合材料优异的生物相容性和特殊的生物学功能,包括促进细胞增殖和迁移,因此使用这种材料最终可实现实时原位皮肤再生。这项工作为功能化生物黏合剂工程和生物医学转化开辟了新的途径。
Jiangtao YAN, Rutai HUI, Daowen WANG
《医学前沿(英文)》 2009年 第3卷 第1期 页码 30-35 doi: 10.1007/s11684-009-0005-x
《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
关键词: preeclampsia recombinant protein diannexin microparticle NLRP3 inflammasome phosphatidylserin
Investigation of hydrolysis conditions and properties on protein hydrolysates from flatfish skin
Hua ZHANG, Hongji ZHU, Shipeng WANG, Weihua WANG
《化学科学与工程前沿(英文)》 2013年 第7卷 第3期 页码 303-311 doi: 10.1007/s11705-013-1341-6
关键词: flatfish skin protein hydrolysates metal chelating activity reducing power
Liang ZHUANG, Shiying YU, Xiaoyuan HUANG, Yang CAO, Huihua XIONG
《医学前沿(英文)》 2009年 第3卷 第1期 页码 26-29 doi: 10.1007/s11684-009-0008-7
关键词: Ku80 DNA-PK(cs)-binding protein human ataxia telangiectasia mutated protein tumor cell lines radiosensitivity
Protein phosphatase 2A, a key player in Alzheimer’s disease
Rong LIU, Qing TIAN
《医学前沿(英文)》 2009年 第3卷 第1期 页码 8-12 doi: 10.1007/s11684-009-0017-6
关键词: protein phosphatase 2A Alzheimer’s disease holoenzyme composition protein phosphatase 2A inhibitors Leu309 demethylation Tyr307 phosphorylation
标题 作者 时间 类型 操作
Cell surface protein engineering for high-performance whole-cell catalysts
Hajime Nakatani,Katsutoshi Hori
期刊论文
Systems understanding of plant–pathogen interactions through genome-wide protein–protein interaction
Hong LI,Ziding ZHANG
期刊论文
The role of protein kinase C epsilon in neural signal transduction and neurogenic diseases
null
期刊论文
Wheat gluten protein and its impacts on wheat processing quality
Wujun MA, Zitong YU, Maoyun SHE, Yun ZHAO, Shahidul ISLAM
期刊论文
Construction of sustainable, colored and multifunctional protein silk fabric using biomass riboflavin
期刊论文
Antithrombin deficiency and decreased protein C activity in a young man with venous thromboembolism:
null
期刊论文
Interspecies transmission and evolution of the emerging coronaviruses: perspectives from bat physiology and protein
Baicheng HUANG, Kegong TIAN
期刊论文
Elevated C-reactive protein levels predict worsening prognosis in Chinese patients with first-onset stroke
Jiangtao YAN, Rutai HUI, Daowen WANG
期刊论文
Recombinant protein diannexin prevents preeclampsia-like symptoms in a pregnant mouse model via reducing
期刊论文
Investigation of hydrolysis conditions and properties on protein hydrolysates from flatfish skin
Hua ZHANG, Hongji ZHU, Shipeng WANG, Weihua WANG
期刊论文
Correlativity study between expression of DNA double-strand break repair protein and radiosensitivity
Liang ZHUANG, Shiying YU, Xiaoyuan HUANG, Yang CAO, Huihua XIONG
期刊论文