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AMINO-ACID SUBSTITUTIONS IN THE MEMBRANE-BINDING DOMAIN OF CYTOCHROME B(5) ALTER ITS MEMBRANE-BINDING PROPERTIES

The structure-function relationships of the 43-amino-acid membrane-binding domain of cytochrome b(5) have been examined in two mutant forms of the protein. In one mutant, two tryptophans in the membrane-binding domain, at positions 108 and 112, were…

Herpes simplex virus type 1 penetration initiates mobilization of cell surface proteins.

Changes in membrane structure resulting from herpes simplex virus 1 (HSV-1) penetration were detected using fluorescence photobleaching recovery methods. The effect could be blocked by inhibitors of viral and cellular processes involved in virus…

Redox-dependent coronary metabolic dilation.

We have observed that hydrogen peroxide (H2O2), the dismutated product of superoxide, is a coronary metabolic dilator and couples myocardial oxygen consumption to coronary blood flow. Because the chemical activity of H2O2 favors its role as an…

Tags: *Paracrine Communication, *Vasodilation/drug effects, 2007, Acetylcysteine/pharmacology, American journal of physiology. Heart and circulatory physiology, Animals, Antioxidants/pharmacology, Cardiac/drug effects/*metabolism, Chilian William M, Conditioned/metabolism, Coronary Vessels/drug effects/enzymology/*metabolism, Culture Media, Department of Integrative Medical Sciences, Dick Gregory M, Dithiothreitol/pharmacology, Enzyme Activation, Fluorescence, Hydrogen Peroxide/metabolism, Imidazoles/pharmacology, In Vitro Techniques, Kiyooka Takahiko, Microscopy, Myocytes, NEOMED College of Medicine, Nitroprusside/pharmacology, Oxidation-Reduction, p38 Mitogen-Activated Protein Kinases/antagonists & inhibitors/metabolism, Park Yoonjung, Phosphorylation, Protein Kinase Inhibitors/pharmacology, Pyridines/pharmacology, Rats, Reactive Oxygen Species/*metabolism, Reducing Agents/pharmacology, Rocic Petra, Rogers Paul A, Saitoh Shu-ichi, Sulfhydryl Compounds/*metabolism, Swafford Albert, Vasodilator Agents/pharmacology, Viswanathan Chandrasekar, Wistar, Zhang Cuihua

Bcl-2 positively regulates Sox9-dependent chondrocyte gene expression by suppressing the MEK-ERK1/2 signaling pathway.

Bcl-2 is an anti-apoptotic protein that has recently been shown to regulate other cellular functions. We previously reported that Bcl-2 regulates chondrocyte matrix gene expression, independent of its anti-apoptotic function. Here, we further…

Tags: *Gene Expression Regulation, 2005, Adenoviridae/genetics, Animals, Apoptosis, beta-Galactosidase/metabolism, Blotting, Butadienes/pharmacology, Caspase Inhibitors, Cell Differentiation, Cell Line, Chondrocytes/*metabolism, Collagen Type II/metabolism, Department of Anatomy & Neurobiology, Down-Regulation, Enzyme Inhibitors/pharmacology, Fibroblasts/metabolism, Fluorescence, Genetic, High Mobility Group Proteins/*metabolism, Horton Walter E Jr, Lac Operon, Luciferases/metabolism, MAP Kinase Kinase Kinases/*metabolism, McBurney Denise, Messenger/metabolism, Microscopy, Mitogen-Activated Protein Kinase 1/*metabolism, Mitogen-Activated Protein Kinase 3/*metabolism, NEOMED College of Medicine, NF-kappa B/metabolism, Nitriles/pharmacology, Phenotype, Phosphorylation, Promoter Regions, Protein Kinase C-alpha, Protein Kinase C/antagonists & inhibitors, Proteoglycans/metabolism, Proto-Oncogene Proteins c-bcl-2/*metabolism, Rats, Reverse Transcriptase Polymerase Chain Reaction, RNA, Signal Transduction, Small Interfering/metabolism, SOX9 Transcription Factor, Sprague-Dawley, The Journal of biological chemistry, Time Factors, Transcription, Transcription Factors/*metabolism, Transfection, Western, Yagi Rieko

Anti-atherogenic effect of trivalent chromium-loaded CPMV nanoparticles in human aortic smooth muscle cells under hyperglycemic conditions in vitro.

Atherosclerosis, a major macrovascular complication associated with diabetes, poses a tremendous burden on national health care expenditure. Despite extensive efforts, cost-effective remedies are unknown. Therapies for atherosclerosis are challenged…

Interleukin-1beta induced Stress Granules Sequester COX-2 mRNA and Regulates its Stability and Translation in Human OA Chondrocytes.

Enhanced and immediate expression of cyclooxygenase-2 (COX-2) mRNA is observed in

Auditory cortical axons contact commissural cells throughout the guinea pig inferior colliculus.

Projections from auditory cortex (AC) affect how cells in both inferior colliculi (IC) respond to acoustic stimuli. The large projection from the AC to the ipsilateral IC is usually credited with the effects in the ipsilateral IC. The circuitry…

Tags: 2013, AC, Animals, auditory cortex, Auditory Cortex/*physiology, Auditory Pathways/cytology, Axons/metabolism/*pathology, Brain Mapping, cortical layers, Department of Anatomy & Neurobiology, Fast Blue, FB, FD, Female, FG, Fluor0Ruby, fluorescein dextran, Fluorescence, FluoroGold, FR, G-, G+, GAD, GAD-immunonegative, GAD-immunopositive, GAD-neg, gamma-Aminobutyric Acid/metabolism, GB, Glutamate Decarboxylase/metabolism, glutamic acid decarboxylase, green RetroBeads, Guinea Pigs, Hearing research, I-VI, IC, IC central nucleus, IC dorsal cortex, IC lateral cortex, IC rostral cortex, ICc, ICd, IClc, ICrc, Inferior Colliculi/pathology/*physiology, inferior colliculus, Male, Mesencephalon/pathology, Microscopy, Nakamoto Kyle T, NEOMED College of Medicine, ps, pseudosylvian sulcus, rhinal sulcus, rs, Schofield Brett R, Sowick Colleen S, white matter, wm

Projections from auditory cortex contact ascending pathways that originate in the superior olive and inferior colliculus.

The superior olivary complex (SOC) and inferior colliculus (IC) are targets of cortical projections as well as sources of major ascending auditory pathways. This study examines whether the cortical projections contact cells in the SOC or IC that…

Tags: 2007, Animals, Auditory Cortex/*cytology, Auditory Pathways/*cytology, Department of Anatomy & Neurobiology, Fluorescence, Guinea Pigs, Hearing research, Inferior Colliculi/*cytology, Microscopy, NEOMED College of Medicine, Olivary Nucleus/*cytology, Peterson Diana Coomes, Schofield Brett R, Staining and Labeling/methods

Pathways from auditory cortex to the cochlear nucleus in guinea pigs.

The inferior colliculus (IC) and superior olivary complex (SOC) are important sources of descending pathways to the cochlear nucleus. The IC and SOC are also targets of direct projections from the auditory cortex but it is not known if cortical axons…

Resveratrol suppresses nuclear factor-kappaB in herpes simplex virus infected cells.

Resveratrol inhibits herpes simplex virus (HSV) replication by an unknown mechanism. Previously it was suggested that this inhibition may be mediated through a cellular factor essential for HSV replication [Docherty, J.J., Fu, M.M., Stiffler, B.S.,…

Pertubation of beta1 integrin function using anti-sense or function-blocking antibodies on corneal cells grown on fibronectin and tenascin.

During corneal development, neural crest derivatives from the periocular mesenchyme migrate into the cornea and differentiate into corneal fibroblasts. During this time, these cells interact with a variety of extracellular matrices for proper…

Subcellular localization and antiviral activity of carminic acid/poly r(A-U) combinations.

Carminic acid (CAR) enhances the antiviral activity of poly r(A-U) twelve-fold without increasing interferon induction, inactivating the vesicular stomatitis virus or inducing host cell cytotoxicity. Phase contrast photomicrographs of human foreskin…

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