Determination of cathepsin B expression may offer additional prognostic information for ovarian cancer patients.

abstract：:The immunoproteasome subunit low molecular weight protein 2 (LMP2) codon 60 polymorphism has been associated with autoimmune diseases. It has also been demonstrated to influence susceptibility to TNF-alpha-induced apoptosis in blood cells and proteasome activity in aged human brain. In the present study, an in silico ...

journal_title：Biological chemistry

authors： Mishto M,Santoro A,Bellavista E,Sessions R,Textoris-Taube K,Dal Piaz F,Carrard G,Forti K,Salvioli S,Friguet B,Kloetzel PM,Rivett AJ,Franceschi C

更新日期：2006-04-01 00:00:00

abstract：:A major challenge in the research on membrane-anchored and integral membrane protein complexes is to obtain these in a functionally active, water-soluble, and monodisperse form. This requires the incorporation of the membrane proteins into a native-like membrane or detergent micelle that mimics the properties of the o...

journal_title：Biological chemistry

authors： Borch J,Hamann T

更新日期：2009-08-01 00:00:00

abstract：:Mammalian apolipoproteinB (apoB) RNA editing is a site-specific deamination reaction that mediates the C to U conversion responsible for apoB48 production in the mammalian small intestine. This process is not detected in chicken apoB RNA. Mammalian apoB RNA editing is mediated by a multicomponent enzyme complex that i...

journal_title：Biological chemistry

authors： Anant S,Yu H,Davidson NO

更新日期：1998-08-01 00:00:00

abstract：:γ-Secretase is a membrane-embedded protease complex with presenilin as the catalytic component. Cleavage within the transmembrane domain of the amyloid β-protein precursor (APP) by γ-secretase produces the C-terminus of the amyloid β-peptide (Aβ), a proteolytic product prone to aggregation and strongly linked to Alzhe...

journal_title：Biological chemistry

authors： Wolfe MS

更新日期：2012-09-01 00:00:00

abstract：:L-Arginine:glycine amidinotransferase (AT) catalyzes the committed step in creatine biosynthesis by formation of guanidinoacetic acid, the direct precursor of creatine. The X-ray structure of the human enzyme shows a novel fold with fivefold pseudosymmetry of beta beta alphabeta-modules. These modules enclose the acti...

journal_title：Biological chemistry

authors： Humm A,Fritsche E,Steinbacher S

更新日期：1997-03-01 00:00:00

abstract：:Oncogenic transformation is dependent on activated membrane-associated NADPH oxidase (NOX). However, the resultant extracellular superoxide anions are also driving the NO/peroxynitrite and the HOCl pathway, which eliminates NOX-expressing transformed cells through selective apoptosis induction. Tumor progression is de...

journal_title：Biological chemistry

authors： Böhm B,Heinzelmann S,Motz M,Bauer G

更新日期：2015-12-01 00:00:00

abstract：:The role of Zn2+-sensing receptor GPR39 on glucose homeostasis and incretin regulation was assessed in enteroendocrine L- and K-cells. Anti-hyperglycaemic, insulinotropic and incretin secreting properties of Zn2+ were explored in normal, diabetic and incretin receptor knockout mice. Compared to intraperitoneal injecti...

journal_title：Biological chemistry

authors： Moran BM,Miskelly MG,Abdel-Wahab YHA,Flatt PR,McKillop AM

更新日期：2019-06-20 00:00:00

abstract：:Parvulins belong to the family of peptidyl-prolyl cis/trans isomerases (PPIases) assisting in protein folding and in regulating the function of a broad variety of proteins in all branches of life. The human representatives Pin1 and Par14/17 are directly involved in processes influencing cellular maintenance and cell f...

journal_title：Biological chemistry

authors： Matena A,Rehic E,Hönig D,Kamba B,Bayer P

更新日期：2018-01-26 00:00:00

abstract：:Haptoglobin (Hpt) is known to capture circulating free hemoglobin (Hb) and bind apolipoprotein (Apo) A-I or E. Here, we report that Hb can be tightly bound by most of Hpt molecules (TB-Hpt, 80%), whereas loosely bound by a minor part of them (LB-Hpt, 20%). LB-Hpt amount was significantly increased (over 60%) in patien...

journal_title：Biological chemistry

authors： Spagnuolo MS,Cigliano L,Maresca B,Pugliese CR,Abrescia P

更新日期：2011-04-01 00:00:00

abstract：:We have previously shown that short double-stranded RNAs of specific sequence induce phosphorylation in the activation loop of splicing variant D of the transforming growth factor beta-activated protein kinase 1 (TAK1-D). Here, we further characterize this novel function of TAK1-D and the mechanisms of this dsRNA-trig...

journal_title：Biological chemistry

authors： Kodym R,Kodym E,Story MD

更新日期：2009-05-01 00:00:00

abstract：:The kinin B2 receptor, which is constitutively expressed in a large number of tissues, mediates most of the known effects of bradykinin (BK). Normally undetectable in healthy tissues, the B1 receptor is strongly over-expressed under pathological conditions. BK is an important mediator in renal homeostasis and is mainl...

journal_title：Biological chemistry

authors： Bachvarov D,Bachvarova M,Koumangaye R,Klein J,Pesquero JB,Neau E,Bader M,Schanstra JP,Bascands JL

更新日期：2006-01-01 00:00:00

abstract：:The cell, as a molecular system, is often interpreted in terms of complex clockworks, and the design charts of mechanical and electrical engineering are assumed to provide adequate approximations for the description of cellular organization. However, a growing body of experimental evidence obtained through the observa...

journal_title：Biological chemistry

authors： Kurakin A

更新日期：2005-03-01 00:00:00

abstract：:In mammals, betaine of the mitochondrial matrix is used in the cytosol by betaine-homocysteine S-methyltransferase for methionine synthesis. The resulting dimethylglycine is shuttled back into the mitochondrial matrix for further degradation. Nanospray tandem mass spectrometry and N-terminal amino acid sequencing of m...

journal_title：Biological chemistry

authors： Sandu C,Nick P,Hess D,Schiltz E,Garrow TA,Brandsch R

更新日期：2000-07-01 00:00:00

abstract：:The major enzymatic activity of the ribosome is the catalysis of peptide bond formation. The active site -- the peptidyl transferase center -- is composed of ribosomal RNA (rRNA), and interactions between rRNA and the reactants, peptidyl-tRNA and aminoacyl-tRNA, are crucial for the reaction to proceed rapidly and effi...

journal_title：Biological chemistry

authors： Beringer M,Rodnina MV

更新日期：2007-07-01 00:00:00

abstract：:Two current hypotheses of O2 sensing in the carotid body (CB) chemoreceptors suggest participation of oxygen reactive (ROS) species, but they are mechanistically opposed. One postulates that hypoxia decreases ROS levels; the other that hypoxia increases them. Yet, both propose that the ensuing alteration in the cellul...

journal_title：Biological chemistry

authors： Gonzalez C,Sanz-Alyayate G,Agapito MT,Obeso A

更新日期：2004-03-01 00:00:00

abstract：:We have investigated the methylation status of the repeat unit of the human ribosomal RNA genes in lung cancer. Using a Southern blot analysis approach we have determined that the non-transcribed region of these genes was generally heavily methylated, while the transcribed region was not methylated in either tumor or ...

journal_title：Biological chemistry

authors： Shiraishi M,Sekiguchi A,Chuu YH,Sekiya T

更新日期：1999-01-01 00:00:00

abstract：:Lipids serve many distinct functions in cellular homeostasis such as membrane organization, as a platform for membrane function and protein/protein or protein/lipid interaction, energy storage, as well as secondary messengers in signal transduction. Perturbations in lipid homeostasis may result in abnormal cellular fu...

journal_title：Biological chemistry

authors： Xiang Y,Lam SM,Shui G

更新日期：2015-12-01 00:00:00

abstract：:A kinetic study was performed of a model for an autocatalytic zymogen activation process involving both intra- and intermolecular routes, to which a chromogenic reaction in which the active enzyme acts upon one of its substrates was coupled to continuously monitor the reaction. Kinetic equations describing the evoluti...

journal_title：Biological chemistry

authors： Fuentes ME,Varón R,García-Moreno M,Valero E

更新日期：2005-07-01 00:00:00

abstract：:Major advances have been made during the last decade in our understanding of adrenal steroid hormone biosynthesis. Two key players in these pathways are the human mitochondrial cytochrome P450 enzymes CYP11B1 and CYP11B2, which catalyze the final steps in the biosynthesis of cortisol and aldosterone. Using data from m...

journal_title：Biological chemistry

authors： Bureik M,Lisurek M,Bernhardt R

更新日期：2002-10-01 00:00:00

abstract：:Mitochondria are indispensable cellular organelles providing ATP and numerous other essential metabolites to ensure cell survival. Reactive oxygen species (ROS), which are formed as side reactions during oxidative phosphorylation or by external agents, induce molecular damage in mitochondrial proteins, lipids/membrane...

journal_title：Biological chemistry

authors： Zimmermann M,Reichert AS

更新日期：2017-12-20 00:00:00

abstract：:Human inositol phosphate multikinase (IPMK) is a multifunctional protein in cellular signal transduction, namely, a multispecific inositol phosphate kinase, phosphatidylinositol 3-kinase, and a scaffold within the mTOR-raptor complex. To fulfill these nuclear and cytoplasmic functions, intracellular targeting of IPMK ...

journal_title：Biological chemistry

authors： Meyer R,Nalaskowski MM,Ehm P,Schröder C,Naj X,Brehm MA,Mayr GW

更新日期：2012-03-01 00:00:00

abstract：:The physiological function of the GPI-anchored ectoenzyme aminopeptidase P (APP) is still elusive. Most researchers suppose that this enzyme inactivates biologically active peptides like bradykinin, neuropeptide tyrosine (NPY) and others (Vanhoof et al., 1995). We demonstrate by immunohistology with a specific antibod...

journal_title：Biological chemistry

authors： Lasch J,Moschner S,Sann H,Zellmer S,Koelsch R

更新日期：1998-06-01 00:00:00

abstract：:Mutations of the p53 gene may alter the specific regulatory domains of the protein. We examined the conserved domains III, IV and V by SSCP using PCR primers covering exons 5, 6, 7 and 8 from hairy cell leukemia (HCL), polyps, colorectal and gastric carcinomas. A low rate of p53 mutations was detected in HCL and polyp...

journal_title：Biological chemistry

authors： Marcsek ZL,König EA

更新日期：1998-04-01 00:00:00

abstract：:The sphingolipid sphingosine-1-phosphate (S1P) has various functions in immune cell biology, regulating survival, proliferation, and, most prominently, migration. S1P couples to five G protein-coupled receptors (S1PR1-5) to transduce its effects on immune cell function. Expression of S1PR4 is restricted to immune cell...

journal_title：Biological chemistry

authors： Dillmann C,Mora J,Olesch C,Brüne B,Weigert A

更新日期：2015-06-01 00:00:00

abstract：:The p53 tumour suppressor gene is frequently mutated in human tumours and different tumour-derived mutations have varying effects on cells. The effect of a novel tumour-derived p53 mutation and two recently described mutations from South African breast cancer patients on the growth rate, colony formation, cell cycle a...

journal_title：Biological chemistry

authors： Donninger H,Binder A,Bohm L,Parker MI

更新日期：2008-01-01 00:00:00

abstract：:Pseudomonas aeruginosa and Serratia marcescens can cause refractory keratitis resulting in corneal perforation and blindness. These bacteria produce various kinds of proteases. In addition to pseudomonal elastase (LasB) and alkaline protease, LasA protease and protease IV have recently been found to be more important ...

journal_title：Biological chemistry

authors： Matsumoto K

更新日期：2004-11-01 00:00:00

abstract：:DEAD-box helicases catalyze RNA duplex unwinding in an ATP-dependent reaction. Members of the DEAD-box helicase family consist of a common helicase core formed by two RecA-like domains. According to the current mechanistic model for DEAD-box mediated RNA unwinding, binding of RNA and ATP triggers a conformational chan...

journal_title：Biological chemistry

authors： Rudolph MG,Klostermeier D

更新日期：2015-08-01 00:00:00

abstract：:Cancer cells are relatively resistant to endoplasmic reticulum (ER) stress-induced apoptosis. However, the underlying mechanisms remain largely unclear. We observed that the microRNAs miR-221/222 are associated with apoptosis regulation under ER stress in human hepatocellular carcinoma (HCC) cells. Induction of ER str...

journal_title：Biological chemistry

authors： Dai R,Li J,Liu Y,Yan D,Chen S,Duan C,Liu X,He T,Li H

更新日期：2010-07-01 00:00:00

abstract：:Cellular volume regulation is fundamental for numerous physiological processes. The volume-regulated anion channel, VRAC, plays a crucial role in regulatory volume decrease. This channel, which is ubiquitously expressed in vertebrates, has been vastly characterized by electrophysiological means. It opens upon cell swe...

journal_title：Biological chemistry

authors： Stauber T

更新日期：2015-09-01 00:00:00

abstract：:The expression of the cysteine protease cathepsin B is increased in early stages of human breast cancer.To assess the potential role of cathepsin B in premalignant progression of breast epithelial cells, we employed a 3D reconstituted basement membrane overlay culture model of MCF10A human breast epithelial cells and ...

journal_title：Biological chemistry

authors： Mullins SR,Sameni M,Blum G,Bogyo M,Sloane BF,Moin K

更新日期：2012-12-01 00:00:00