Biochemical characterization of argininosuccinate lyase from M. tuberculosis: significance of a c-terminal cysteine in catalysis and thermal stability.

abstract：:The generation of free radicals and the resulting oxidative modification of cell structures are omnipresent in mammalian cells. This includes the permanent oxidation of proteins leading to the disruption of the protein structure and an impaired functionality. In consequence, these oxidized proteins have to be removed ...

journal_title：IUBMB life

authors： Jung T,Grune T

更新日期：2008-11-01 00:00:00

abstract：:The extensive post-transcriptional modification of U2 snRNA is required for spliceosome assembly and pre-mRNA splicing in vertebrates. However, the rare modification of U2 snRNA in yeast implies a different mechanism for regulating spliceosome biogenesis in single-celled eukaryotes. To understand the evolutionary patt...

journal_title：IUBMB life

authors： Huang ZP,Zhou H,Qu LH

更新日期：2005-10-01 00:00:00

abstract：:The pathophysiology of some inflammatory arterial diseases (such as vasculitis, atherogenesis and aneurysms) has been widely investigated in the last decades. Among different soluble molecules, proinflammatory cytokines (such as TNF-α, IL-1 and IL-6) were shown to trigger critical pathways regulating these arterial di...

journal_title：IUBMB life

authors： Carbone F,Montecucco F

更新日期：2015-01-01 00:00:00

abstract：:Altered activity of the proteolytic machine-the 26S proteasome is observed in many disease conditions. Hence, either inhibition or activation of the 26S proteasome is thought to be a novel therapy for treatment of certain diseases such as cancer and neurodegenerative disorders. In this study, we tested the potential o...

journal_title：IUBMB life

authors： Gopalakrishnan S,Ediga HH,Reddy SS,Reddy GB,Ismail A

更新日期：2018-05-01 00:00:00

abstract：:High throughput microarrays were initially developed to analyse the expression of many RNA transcripts in parallel. The technology has since been adapted to a variety of applications, one of which is the analysis of the genome to study DNA dosage and sequence content. Advances in microarray fabrication and completion ...

journal_title：IUBMB life

authors： Waddell N

更新日期：2008-07-01 00:00:00

abstract：:In many organisms the processes of DNA replication and recombination are closely linked. For instance, in bacterial and eukaryotic systems, replication forks can become stalled or damaged, in many cases leading to the formation of double stranded breaks. Replication restart is an essential mechanism in which the recom...

journal_title：IUBMB life

authors： Wilkinson DE,Weller SK

更新日期：2003-08-01 00:00:00

abstract：:Recently the crystal structure of creatine kinase from Torpedocalifornica was determined to 2.1 A. The dimeric structure revealed two different forms in the unit cell: one monomer was bound to a substrate, MgADP, and the other monomer was bound to a transition-state analogue complex composed of MgADP, nitrate and crea...

journal_title：IUBMB life

authors： Wang PF,Flynn AJ,McLeish MJ,Kenyon GL

更新日期：2005-04-01 00:00:00

abstract：:Endothelial dysfunction is fundamental to ischemic stroke and brain injury. The humanin analogue S14G-humanin (HNG) has been shown to be a cytoprotective derivative. In this study, we investigated the neuroprotective effects of HNG in vivo and in vitro. In a murine middle cerebral artery occlusion (MCAO) stroke model,...

journal_title：IUBMB life

authors： Peng T,Wan W,Wang J,Liu Y,Fu Z,Ma X,Li J,Sun G,Ji Y,Lu J,Lu H,Liu Y

更新日期：2018-07-01 00:00:00

abstract：:Nasal-type natural killer/T-cell lymphoma (NKTCL) is an aggressive malignancy with poor survival outcomes that is relatively resistant to chemotherapy. N6-Methyladenosine (m6A) modification, the most prevalent modification of eukaryotic messenger RNA, is involved in the progression of various tumors. However, it is un...

journal_title：IUBMB life

authors： Ma H,Shen L,Yang H,Gong H,Du X,Li J

更新日期：2020-11-17 00:00:00

abstract：:Heat shock proteins (Hsps) are a highly conserved family of proteins. The regulation of expression of Hsps in Mycobacterium tuberculosis, is regulated both positively and negatively by alternate sigma factors and transcriptional DNA repressors, respectively. HspR is a negative regulator of expression of hsps, DnaK, Cl...

journal_title：IUBMB life

authors： Parijat P,Batra JK

更新日期：2015-11-01 00:00:00

abstract：:Cooperative effects in ligand binding and dissociation kinetics are much less investigated than steady state kinetics or equilibrium binding. Nevertheless, cooperativity in ligand binding leads necessarily to characteristic properties with respect to kinetic properties of the system. In case of positive cooperativity ...

journal_title：IUBMB life

authors： Hellmann N

更新日期：2011-05-01 00:00:00

abstract：:Calcineurin (CN) is the only serine/threonine specific protein phosphatase regulated by Ca(2+) /calmodulin (CaM), which is composed of catalytic A subunit (CNA) and regulatory B subunit (CNB). Tumor necrosis factor (TNF) receptor associated factor 3 (TRAF3) is an essential component in the Toll like receptors and TNF ...

journal_title：IUBMB life

authors： Wang X,Huang Y,Li L,Wei Q

更新日期：2012-09-01 00:00:00

abstract：:Anthracyclines are a class of antitumor drugs widely used for the treatment of a variety of malignancy, including leukemias, lymphomas, sarcomas, and carcinomas. Different mechanisms have been proposed for anthracycline antitumor effects including free-radical generation, DNA intercalation/binding, activation of signa...

journal_title：IUBMB life

authors： Mordente A,Meucci E,Martorana GE,Giardina B,Minotti G

更新日期：2001-07-01 00:00:00

abstract：:The yeast Saccharomyces cerevisiae is an excellent model for gaining insights into the molecular basis of human mitochondrial disorders, particularly those resulting from impaired mitochondrial metabolism. Yeast is a very well characterized system and most of our current knowledge about mitochondrial biogenesis in hum...

journal_title：IUBMB life

authors： Barrientos A

更新日期：2003-02-01 00:00:00

abstract：:Silymarin, which is derived from the seeds of Silybum marianum, has been widely used to prevent and treat liver diseases. In our previous study, we reported that at concentrations above the minimal inhibitory concentration (MIC), silymarin exhibited antifungal activity against Candida albicans by targeting its plasma ...

journal_title：IUBMB life

authors： Lee W,Lee DG

更新日期：2018-03-01 00:00:00

abstract：:Mitochondria play a key role in death signaling. The intermembrane space of these organelles contains a number of proteins which promote cell death once they are redistributed to the cytosol. The formation of pores in the outer membrane of mitochondria defines a gateway through which the apoptogenic proteins pass duri...

journal_title：IUBMB life

authors： Smith DJ,Ng H,Kluck RM,Nagley P

更新日期：2008-06-01 00:00:00

abstract：:S-Nitrosation is rapidly emerging as a regulatory mechanism in vascular biology, with particular importance in the onset of hyperpermeability induced by pro-inflammatory agents. This review focuses on the role of endothelial nitric oxide synthase (eNOS)-derived nitric oxide (NO) in regulating S-Nitrosation of adherens...

journal_title：IUBMB life

authors： Durán WN,Beuve AV,Sánchez FA

更新日期：2013-10-01 00:00:00

abstract：:We have adapted the Java Molecular Viewer (JMV) to virtual reality display environments, through a number of extensions to the Java 3D code. Phylogenetic information derived from multiple alignments (temporal information) can be overlaid onto molecule structures (spatial information). The number of sequences included ...

journal_title：IUBMB life

authors： Quon GT,Gordon P,Sensen CW

更新日期：2003-04-01 00:00:00

abstract：:In vivo site-directed mutagenesis by single-stranded deoxyribonucleic acid recombineering is a facile method to change the color of fluorescent proteins (FPs) without cloning. Two different starting alleles of GFP were targeted for mutagenesis: gfpmut3* residing in the Escherichia coli genome and egfp carried by a bac...

journal_title：IUBMB life

authors： Valledor M,Hu Q,Schiller P,Myers RS

更新日期：2012-08-01 00:00:00

abstract：:Tumstatin is a candidate tumor suppressor that plays an important role in tumor growth and angiogenesis. The purpose of this study was to evaluate the correlation between tumstatin-mRNA expression and the clinicopathologic characteristics, tumor angiogenesis, outcome of patients with non-small cell lung cancer (NSCLC)...

journal_title：IUBMB life

authors： Luo YQ,Ming Z,Zhao L,Yao LJ,Dong H,Du JP,Wu SZ,Hu W

更新日期：2012-05-01 00:00:00

abstract：:Iron presents us with a paradox. Without it, cells simply cannot survive because iron is an essential cofactor for many enzymes in critical biochemical pathways. However, when iron is present in excess, it can be highly cytotoxic due to its propensity to catalyze the formation of reactive oxygen radicals. To cater for...

journal_title：IUBMB life

authors： Anderson GJ

更新日期：2001-01-01 00:00:00

abstract：:Mutations in the breast cancer susceptibility gene BRCA1 predispose individuals to breast and ovarian cancers. Cofactor of BRCA1 (COBRA1), a novel protein, was isolated as a BRCA1-interacting protein. However, the role of COBRA1 in breast cancer is poorly understood. In this study, we demonstrate that COBRA1 mRNA was ...

journal_title：IUBMB life

authors： Zhu J,Song S,Jiang Z,Yan J,Lu Q,Huang C,Ye Q

更新日期：2004-03-01 00:00:00

abstract：:The rat organic anion transporter 3 (rOAT3) has recently been identified as the third isoform of the OAT family. The mechanisms that regulate rOAT3's functions remain to be elucidated. rOAT3 contributes for moving a number of negatively charged organic compounds between cells and their extracellular milieu. Caveolin (...

journal_title：IUBMB life

authors： Kwak JO,Kim HW,Song JH,Kim MJ,Park HS,Hyun DK,Kim DS,Cha SH

更新日期：2005-02-01 00:00:00

abstract：:Small noncoding RNAs are key controllers of cellular function, and their deregulation can lead to cancer development and metastatic evolution. This review summarizes the most important examples of small RNAs involved in human cancer and discusses their clinical use as biomarkers and drug targets for diagnosis, prognos...

journal_title：IUBMB life

authors： Rovira C,Güida MC,Cayota A

更新日期：2010-12-01 00:00:00

abstract：:Magnetic targeting has shown promise to improve the efficacy and safety of different classes of therapeutic agents by enabling their active guidance to the site of disease and minimizing dissemination to nontarget tissues. However, its translation into clinic has proven difficult because of inherent limitations of tra...

journal_title：IUBMB life

authors： Chorny M,Fishbein I,Forbes S,Alferiev I

更新日期：2011-08-01 00:00:00

abstract：:The faithful propagation of cellular signals in most organisms relies on the coordinated functions of a large family of protein kinases that share a conserved catalytic domain. The catalytic domain is a dynamic scaffold that undergoes large conformational changes upon activation. Most of these conformational changes, ...

journal_title：IUBMB life

authors： Yeung W,Ruan Z,Kannan N

更新日期：2020-06-01 00:00:00

abstract：:Availability of the human genome data has enabled the exploration of a huge amount of biological information encoded in it. There are extensive ongoing experimental efforts to understand the biological functions of the gene products encoded in the human genome. However, computational analysis can aid immensely in the ...

journal_title：IUBMB life

authors： Pandit SB,Balaji S,Srinivasan N

更新日期：2004-06-01 00:00:00

abstract：:The direct relationship between obesity and breast cancer has been elucidated recently with the identification of a cholesterol derivative 27-hydroxycholesterol (27HC), an endogenous SERM that can act through estrogen receptor (ER)-mediated mechanisms. Our recent research shed light on the possible SERM-like property ...

journal_title：IUBMB life

authors： Vini R,Juberiya AM,Sreeja S

更新日期：2016-02-01 00:00:00

abstract：:Increasing evidence suggests a role for intracellular reactive oxygen species (ROS) as mediators of normal and pathological signal transduction pathways. In particular, a growing list of recent reports have demonstrated a rapid and significant increases in intracellular ROS following growth factor or cytokine stimulat...

journal_title：IUBMB life

authors： Finkel T

更新日期：2001-07-01 00:00:00

abstract：:Alkyl-dihydroxyacetonephosphate synthase (alkyl-DHAP synthase) is a peroxisomal enzyme that plays a key role in ether phospholipid biosynthesis. To determine the turnover of alkyl-DHAP synthase in several peroxisomal disorders, pulse-chase experiments were performed. In control fibroblasts, mature alkyl-DHAP synthase ...

journal_title：IUBMB life

authors： Biermann J,Gootjes J,Wanders RJ,van den Bosch H

更新日期：1999-12-01 00:00:00