Effects of short-term chemical ablation of the GIP receptor on insulin secretion, islet morphology and glucose homeostasis in mice.

abstract：:Forkhead box O (FoxO) transcription factors are important downstream targets of the PI3K/Akt signaling pathway and crucial regulators of cell fate. This function of FoxOs relies on their ability to control diverse cellular functions, including proliferation, differentiation, apoptosis, DNA repair, defense against oxid...

journal_title：Biological chemistry

authors： Sedding DG

更新日期：2008-03-01 00:00:00

abstract：:Disulfide bonds play a critical role in a variety of structural and mechanistic processes associated with proteins inside the cells and in the extracellular environment. The thioredoxin family of proteins like thioredoxin (Trx), glutaredoxin (Grx) and protein disulfide isomerase, are involved in the formation, transfe...

journal_title：Biological chemistry

authors： Sousa SF,Neves RPP,Waheed SO,Fernandes PA,Ramos MJ

更新日期：2019-04-24 00:00:00

abstract：:Full-length Hsp70 protein (Hsp70) and the C-terminal domain of Hsp70 (Hsp70C) both stimulate the cytolytic activity of naive natural killer (NK) cells against Hsp70-positive tumor target cells. Here, we describe the characterization of Hsp70-NK cell interaction with binding studies using the human NK cell line YT. Bin...

journal_title：Biological chemistry

authors： Gross C,Hansch D,Gastpar R,Multhoff G

更新日期：2003-02-01 00:00:00

abstract：:The hypoxia-inducible factor-1 (HIF-1) is a basic-helix-loop-helix (bHLH) heterodimeric transcription factor activated by reductions in oxygen concentration (hypoxia). Activated HIF-1 upregulates expression of genes involved in the adaptation of higher organisms to hypoxic conditions, caused by e.g. high altitude, ane...

journal_title：Biological chemistry

authors： Wenger RH,Gassmann M

更新日期：1997-07-01 00:00:00

abstract：:Matrix metalloproteases from the cell surface cleave an 80 kDa E-cadherin fragment (sE-CAD) that induces invasion of cancer cells into collagen type I and inhibits cellular aggregation. Conditioned media from MDCKts.srcCl2 cells at 40 degrees C and 35 degrees C, PCm.src5 and COLO-16 cells at 37 degrees C contained spo...

journal_title：Biological chemistry

authors： Ryniers F,Stove C,Goethals M,Brackenier L,Noë V,Bracke M,Vandekerckhove J,Mareel M,Bruyneel E

更新日期：2002-01-01 00:00:00

abstract：:As the outermost barrier of the body, the skin is directly and frequently exposed to a prooxidative environment, including solar UVA and UVB radiation, and air pollution. Ozone, a major air pollutant, possesses a strong oxidizing potential and therefore is possibly one of the most reactive chemicals the skin ever meet...

journal_title：Biological chemistry

authors： Thiele JJ,Podda M,Packer L

更新日期：1997-11-01 00:00:00

abstract：:Squamous cell carcinoma antigens (SCCA) 1 and 2 are highly homologous proteins of the serpin family, although they inhibit different types of proteinases. We investigated the expression of both SCCA mRNAs in tumor tissues, in various cell lines (A431, SAS, Ca9, HeLa, SKGIIIa, HSC-2, HSC-3, HSC-4 and KB) and in HSC cel...

journal_title：Biological chemistry

authors： Takeda A,Kajiya A,Iwasawa A,Nakamura Y,Hibino T

更新日期：2002-07-01 00:00:00

abstract：:The transcription factor E2F1 plays a decisive role in the G1/S and G2/M checkpoint transitions of proliferating cells. Because cells are arrested at these checkpoints after heat shock it was of interest to test heat shock effects on E2F1 activity. In human A549 cells, heat shock (44 degrees C, 30 min) caused an immed...

journal_title：Biological chemistry

authors： Gerullis D,Rensing L,Beyersmann D

更新日期：2003-01-01 00:00:00

abstract：:DEAD-box proteins disrupt or remodel RNA and protein/RNA complexes at the expense of ATP. The catalytic core is composed of two flexibly connected RecA-like domains. The N-terminal domain contains most of the motifs involved in nucleotide binding and serves as a minimalistic model for helicase/nucleotide interactions....

journal_title：Biological chemistry

authors： Strohmeier J,Hertel I,Diederichsen U,Rudolph MG,Klostermeier D

更新日期：2011-04-01 00:00:00

abstract：:Based on studies presented here and other published experiments performed with surviving tissue preparations, with transfected cells and with cells that constitutively express the human angiotensin I converting enzyme ACE and B2 receptors, we concluded the following: ACE inhibitors and other endogenous peptides that r...

journal_title：Biological chemistry

authors： Erdös EG,Marcic BM

更新日期：2001-01-01 00:00:00

abstract：:The adipocytokine adiponectin and its receptor (AdipoR) comprise a new receptor-ligand system that is involved in a variety of clinically important morbidities such as obesity, type 2 diabetes and cardiovascular diseases. Adiponectin exerts a multitude of beneficial and tissue specific effects depending on its unique,...

journal_title：Biological chemistry

authors： Heiker JT,Kosel D,Beck-Sickinger AG

更新日期：2010-09-01 00:00:00

abstract：:The influence of the cellular milieu, a complex and crowded solvent, is often neglected when biomolecular structure and function are studied in vitro. To mimic the cellular environment, crowding effects are commonly induced in vitro using artificial crowding agents like Ficoll or dextran. However, it is unclear if suc...

journal_title：Biological chemistry

authors： Gnutt D,Ebbinghaus S

更新日期：2016-01-01 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：:To exploit the B-lymphocyte antigen-CD20 binding capacity of the Ibritumomab tiuxetan (IBTN) monoclonal antibody (mAb) for imaging, the over-expression of B cells in non-Hodgkin's lymphoma (NHL) (a myeloproliferative disorder of the lymphatic system) was investigated. In the current investigation, we present the label...

journal_title：Biological chemistry

authors： Shah SQ,Khan AU,Khan MR

更新日期：2012-01-01 00:00:00

abstract：:Cytochrome c oxidase from bovine heart contains seven binding sites for ATP or ADP and three additional for ADP only, as concluded from competition equilibrium dialysis binding studies. The isolated enzyme contains bound cholate which, in contrast to bound ATP, is only slowly exchanged by ADP (or ATP). The kinetics of...

journal_title：Biological chemistry

authors： Napiwotzki J,Kadenbach B

更新日期：1998-03-01 00:00:00

abstract：:In pancreatic acinar cells stimulation of different intracellular pathways leads to different patterns of Ca2+ signaling. Bombesin induces activation of both phosphatidylinositol 4,5-bisphosphate (PIP2)-specific phospholipase C (PLC) and phospholipase D (PLD). The latter leads to generation of diacylglycerol (DAG) in ...

journal_title：Biological chemistry

authors： Schulz I,Krause E,González A,Göbel A,Sternfeld L,Schmid A

更新日期：1999-07-01 00:00:00

abstract：:It is not rare that controversial indications about the presence or the expression level of multidrug-resistant (MDR) proteins come out from different laboratories upon examination of identical tumor specimens. Distinct aspects, including the use of weakly discriminating monoclonal antibodies (MAbs) and/or unsuitable ...

journal_title：Biological chemistry

authors： Poloni F,Castagna M,Felici F,Cianfriglia M

更新日期：1997-06-01 00:00:00

abstract：:In a recent study we showed that two proteinases (CMS2MS2 and CMS2MS3) from Carica candamarcensis enhance mammalian cell proliferation. The aim of the present study is the determination of the primary structure of CMS2MS2 and prediction of its three-dimensional structure. The protein contains 214 residues, including t...

journal_title：Biological chemistry

authors： Gomes MT,Bemquerer MP,Lopes MT,Richardson M,Júnior SO,Salas CE

更新日期：2007-08-01 00:00:00

abstract：:A FAD and [4Fe-4S]cluster-containing enzyme from Clostridium aminobutyricum catalyses the reversible dehydration of 4-hydroxybutyryl-CoA to crotonyl-CoA which involves the cleavage of an unactivated C-H bond at the beta-carbon. Transient oxidation of the substrate to an enoxy radical by FAD might facilitate the remova...

journal_title：Biological chemistry

authors： Cinkaya I,Buckel W,Medina M,Gomez-Moreno C,Cammack R

更新日期：1997-08-01 00:00:00

abstract：:In the SalI system, endonuclease activity can be only achieved in the presence of a functional modification gene. Thus, the DNA methyltransferase is involved in the control of restriction. By fusion of the restriction gene of the SalI system to the modification gene of the isospecific HgiDII system a hybrid type II re...

journal_title：Biological chemistry

authors： Pélaez AI,Ribas-Aparicio RM,Gómez A,Rodicio MR

更新日期：1998-04-01 00:00:00

abstract：:Latent episomal genomes of Epstein-Barr virus, a human gammaherpesvirus, represent a suitable model system for studying replication and methylation of chromosomal DNA in mammals. We analyzed the methylation patterns of CpG dinucleotides in the latent origin of DNA replication of Epstein-Barr virus using automated fluo...

journal_title：Biological chemistry

authors： Salamon D,Takacs M,Myöhänen S,Marcsek Z,Berencsi G,Minarovits J

更新日期：2000-02-01 00:00:00

abstract：:Rasal is a modular multi-domain protein of the GTPase-activating protein 1 (GAP1) family; its four known members, GAP1m, Rasal, GAP1IP4BP and Capri, have a Ras GTPase-activating domain (RasGAP). This domain supports the intrinsically slow GTPase activity of Ras by actively participating in the catalytic reaction. In t...

journal_title：Biological chemistry

authors： Cuellar J,Valpuesta JM,Wittinghofer A,Sot B

更新日期：2017-12-20 00:00:00

abstract：:Five moeA mutants were generated by replacing some conserved amino acids of MoeA by site-directed mutagenesis. The mutants were assayed for the ability to restore in vivo nitrate reductase activity of the moeA mutant Escherichia coli JRG97 and in vitro Neurospora crassa nit-1 nitrate reductase activity. The replacemen...

journal_title：Biological chemistry

authors： Sandu C,Brandsch R

更新日期：2002-02-01 00:00:00

abstract：:We studied the mode of regulation of the activity of mature cathepsin B (CB) by L-cysteine and some related thiols. The activity of CB with Z-Arg-Arg-NHMec as substrate was gradually inhibited over a range of increasing concentration of Cys, Cys methyl ester (CysOMe), Cys ethyl ester (CysOEt), N-acetyl-Cys (N-AcCys) a...

journal_title：Biological chemistry

authors： Krepela E,Procházka J,Kárová B

更新日期：1999-05-01 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：:Oxidative stress has for a long time been associated with cell death, especially classical necrosis, however, its role in other cell death pathways is less clear. Here, we evaluated in a comparative way, the effect of four different reactive oxygen species (ROS) scavengers, N-acetyl-L-cysteine (NAC), α-tocopherol and ...

journal_title：Biological chemistry

authors： Kavčič N,Pegan K,Vandenabeele P,Turk B

更新日期：2019-01-28 00:00:00

abstract：:Tissue kallikrein KLK1 and the kallikrein-related peptidases KLK2-15 are a subfamily of serine proteases that have defined or proposed roles in a range of central nervous system (CNS) and non-CNS pathologies. To further understand their potential activity in multiple sclerosis (MS), serum levels of KLK1, 6, 7, 8 and 1...

journal_title：Biological chemistry

authors： Scarisbrick IA,Linbo R,Vandell AG,Keegan M,Blaber SI,Blaber M,Sneve D,Lucchinetti CF,Rodriguez M,Diamandis EP

更新日期：2008-06-01 00:00:00

abstract：:Protein disulfide isomerase (PDI) is a protein of the endoplasmic reticulum (ER) that is essential for the unscrambling of nonnative disulfide bonds. Here, we have determined the importance of PDI to both spore germination and vegetative cell division. To vary the concentration of PDI in the ER, we used plasmids that ...

journal_title：Biological chemistry

authors： Laboissière MC,Sturley SL,Raines RT

更新日期：1997-05-01 00:00:00

abstract：:Malaria can be a very severe disease, particularly in young children, pregnant women (mostly in primipara), and malaria naïve adults, and currently ranks among the most prevalent infections in tropical and subtropical areas throughout the world. The widespread occurrence and the increased incidence of malaria in many ...

journal_title：Biological chemistry

authors： Tsuji M,Rodrigues EG,Nussenzweig S

更新日期：2001-04-01 00:00:00

abstract：:Adenoviral DNA was examined within capsids by dimethyl sulfate footprinting. Protein-DNA interactions were visualized through ligation-mediated PCR (LM-PCR). Signals for protein binding were found adjacent to both inverted terminal repeats (ITR). There were no indications of close protein binding at several other loci...

journal_title：Biological chemistry

authors： Dobner T,Büchner D,Zeller T,Wolf H,Niller HH

更新日期：2001-09-01 00:00:00