Search Results - "Jena, B P"

Fusion pore or porosome: structure and dynamics by Jena, BP

“…Electrophysiological measurements on live secretory cells almost a decade ago suggested the presence of fusion pores at the cell plasma membrane…”
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New Structure Involved in Transient Membrane Fusion and Exocytosis by CHO, S-J., WAKADE, A., PAPPAS, G. D., JENA, B. P.

“…: Our studies using atomic force microscopy (AFM) reveal a new group of plasma membrane structures involved in exocytosis in live pancreatic acinar cells…”
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Redistribution of a Rab3-like GTP-Binding Protein from Secretory Granules to the Golgi Complex in Pancreatic Acinar Cells during Regulated Exocytosis by Jena, Bhanu P., Gumkowski, Francine D., Konieczko, Elisa M., von Mollard, Gabriele Fischer, Jahn, Reinhard, Jamieson, James D.

“…Regulated secretion from pancreatic acinar cells occurs by exocytosis of zymogen granules (ZG) at the apical plasmalemma. ZGs originate from the TGN and…”
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Discovery of the Porosome: revealing the molecular mechanism of secretion and membrane fusion in cells by Jena, B. P.

“…Secretion and membrane fusion are fundamental cellular processes involved in the physiology of health and disease. Studies within the past decade reveal the…”
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EM 3D contour maps provide protein assembly at the nanoscale within the neuronal porosome complex by CHO, W.J, REN, G, JENA, B.P

“…The neuronal porosome complex, the secretory machinery at the plasma membrane of nerve terminals, is a 12-17-nm cup-shaped lipoprotein structure possessing a…”
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Acidic residues are involved in substrate recognition by two soluble protein tyrosine phosphatases, PTP-5 and rrbPTP-1 by Hippen, K. L, Jakes, S, Richards, J, Jena, B. P, Beck, B. L, Tabatabai, L. B, Ingebritsen, T. S

“…The mechanisms for substrate recognition by two cytoplasmic protein tyrosine phosphatases, PTP-5 and rrbPTP-1, were investigated. Phosphorylation sites on…”
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Effect of vitamins E and C supplementation on the immunity status of coloured hens during summer by JENA, B P, PANDA, N, MISHRA, P K, PATRA, R C, PANDA, H K, PANIGRAHI, B, BEHERA, P C

“…The present investigation was carried out to evaluate effects of vitamins E and C supplementation on immunity status of breeder birds and transfer of passive…”
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Distinct and specific GAP activities in rat pancreas act on the yeast GTP-binding proteins Ypt1 and Sec4 by JENA, B. P, BRENNWALD, P, NOVICK, P, JAMIESON, J. D

“…Previous studies have demonstrated that Sec4, a 23.5 kDa guanine nucleotide-binding protein of the ras superfamily is required for exocytosis in the budding…”
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Surface Dynamics in Living Acinar Cells Imaged by Atomic Force Microscopy: Identification of Plasma Membrane Structures Involved in Exocytosis by Schneider, Stefan W., Sritharan, Kumudesh C., Geibel, John P., Oberleithner, Hans, Jena, Bhanu P.

“…The dynamics at the plasma membrane resulting from secretory vesicle docking and fusion and compensatory endocytosis has been difficult to observe in living…”
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Continuous Detection of Extracellular ATP on Living Cells by Using Atomic Force Microscopy by Schneider, Stefan W., Egan, Marie E., Jena, Bhanu P., Guggino, William B., Oberleithner, H., Geibel, John P.

“…Atomic force microscopy is a powerful technique used to investigate the surface of living cells under physiological conditions. The resolution of the…”
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Human chorionic gonadotropin-induced heterologous desensitization of rabbit luteal adenylyl cyclase is associated with altered receptor and G-protein function by Jena, B P, Abramowitz, J

“…We injected hCG into pseudopregnant rabbits on day 7 of pseudopregnancy and analyzed changes in the components of luteal adenylyl cyclase system in order to…”
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Catecholamine-induced heterologous desensitization of rabbit luteal adenylyl cyclase: loss of luteinizing hormone responsiveness is associated with impaired G-protein function by Jena, B P, Abramowitz, J

“…The effects of injecting epinephrine into pseudopregnant rabbits on the luteal adenylyl cyclase system were analyzed. Epinephrine-induced desensitization was…”
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Exocytotic fusion: total or transient? by Jena, B P

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INSIGHTS ON MEMBRANE FUSION by Jena, Bhanu P.

“…Membrane fusion is a fundamental cellular process regulating intracellular transport, neurotransmission, enzyme secretion, hormone release, and the entry/exit…”
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RAPID ALDOSTERONE-INDUCED CELL VOLUME INCREASE OF ENDOTHELIAL CELLS MEASURED BY THE ATOMIC FORCE MICROSCOPE by SCHNEIDER, STEFAN W., YANO, YOSHIKO, SUMPIO, BAUER E., JENA, BHANU P., GEIBEL, JOHN P., GEKLE, MICHAEL, OBERLEITHNER, HANS

“…Atomic force microscopy (AFM) is a useful technique for imaging the surface of living cells in three dimensions. The authors applied AFM to obtain…”
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ATOMIC FORCE MICROSCOPE: PROVIDING NEW INSIGHTS ON THE STRUCTURE AND FUNCTION OF LIVING CELLS by JENA, BHANU P.

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Protein tyrosine phosphatase stimulates Ca(2+)-dependent amylase secretion from pancreatic acini by Jena, B P, Padfield, P J, Ingebritsen, T S, Jamieson, J D

“…Eukaryotic cells respond to various stimuli by an increase or decrease in levels of phosphoproteins. Phosphotyrosine levels on eukaryotic cellular proteins are…”
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Impaired hepatocyte glucose transport protein (GKUT2) internalization in Chronic pancreatitis by NATHAN, Jaimie D, ZDANKIEWICZ, Peter D, JINPING WANG, SPECTOR, Seth A, ASPELUND, Gudrun, JENA, Bhanu P, SEYMOUR, Neal E, GEIBEL, John P, ANDERSEN, Dana K

“…Chronic pancreatitis (CP) is associated with impaired glucose tolerance and with reduced hepatic sensitivity to insulin. We have previously shown that in…”
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Protein tyrosine phosphatase stimulates Ca2+-dependent amylase secretion from pancreatic acini by JENA, B. P, PADFIELD, P. J, INGEBRITSEN, T. S, JAMIESON, J. D

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The optimized quantum dot mediated thermometry reveals isoform specific differences in efficiency of myosin extracted from muscle mini bundles by Li, Meishan, Coppo, Lucia, Jena, Bhanu P., Larsson, Lars

“…The biophysical function of myosin in vitro has been extensively investigated in different motility assays, but the study of myosin ATPase properties at the…”
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