In order to assess the participation of the microfilamentous cell web in the multiphasic response of the pancreatic beta cell, the effect of cytochalasin B upon both glucose- and sulfonylurea-induced insulin release was investigated in the perfused isolated pancreas. Cytochalasin B failed to affect the basal rate of insulin release, but enhanced the initial and later phases of insulin secretion in response to either glucose or gliclazide. In addition, cytochalasin B lowered the threshold concentration for the stimulant action of glucose upon insulin release. Ultrastructural studies supported the concept of a specific interaction of cytochalasin B with the microfilamentous cell web of the beta cell. It is concluded that the integrity of such a structure is equally important for both the initial and later secretory responses of the beta cell to various insulinotropic agents.
E. Van Obberghen, G. Somers, G. Devis, G. D. Vaughan, F. Malaisse-Lagae, L. Orci, W. J. Malaisse
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Stimulus-secretion coupling of amino acid-induced insulin release VII. The B-cell memory for L-glutamine
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The stimulus-secretion coupling of glucose-induced insulin release: XL. Effect of K+ deprivation upon insulin release by the perfused rat pancreas
G Somers, G Devis, WJ Malaisse |
Pflügers Archiv - European Journal of Physiology | 1980 |
The stimulus-secretion coupling of glucose-induced insulin release: XLV. The anion-osmotic hypothesis for exocytosis
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Pflügers Archiv - European Journal of Physiology | 1980 |
Slow interaction of islet-activating protein with pancreatic islets during primary culture to cause reversal of alpha-adrenergic inhibition of insulin secretion
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The Journal of biological chemistry | 1980 |
The stimulus secretion coupling of glucose-induced insulin release
WJ Malaisse, S Kawazu, A Herchuelz, JC Hutton, G Somers, G Devis, A Sener |
Archives of Biochemistry and Biophysics | 1979 |
Calcium antagonists and islet function: IX. Is extracellular calcium required for insulin release?
G Somers, G Devis, WJ Malaisse |
Acta Diabetologica Latina | 1979 |
The stimulus-secretion coupling of glucose-induced insulin release: XXXV. The links between metabolic and cationic events
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Diabetologia | 1979 |
The stimulus-secretion coupling of glucose-induced insulin release. Metabolic and functional effects of NH4+ in rat islets
A Sener, JC Hutton, S Kawazu, AC Boschero, G Somers, G Devis, A Herchuelz, WJ Malaisse |
Journal of Clinical Investigation | 1978 |
Calcium antagonists and islet function: VII. Effect of calcium deprivation
WJ Malaisse, JC Hutton, A Sener, J Levy, A Herchuelz, G Devis, G Somers |
The Journal of Membrane Biology | 1978 |
The Stimulus-Secretion Coupling of Glucose-Induced Insulin Release. Cationic and Secretory Effects of Menadione in the Endocrine Pancreas
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European Journal of Biochemistry | 1978 |
Effects of cytochalasin B on division and calcium carbonate extrusion in a calcareous alga
RE Weiss, KM Wilbur |
Experimental Cell Research | 1978 |
The stimulus-secretion coupling of glucose-induced insulin release. Effect of exogenous pyruvate on islet function
A Sener, S Kawazu, JC Hutton, AC Boschero, G Devis, G Somers, A Herchuelz, WJ Malaisse |
Biochemical Journal | 1978 |
The Diabetic Pancreas
GF Cahill |
New England Journal of Medicine | 1978 |
Insulin secretion during acid-base alterations
OR Rebolledo, RE Hernandez, AC Zanetta, JJ Gagliardino |
American journal of physiology. Endocrinology and metabolism | 1978 |
Effect of vincristine on glucose-induced insulin secretion in man
F Caviezel, M Poli, G Pozza |
Experientia | 1977 |
The insulinotropic action of D-erythrose
A Sener, G Devis, G Somers, WJ Malaisse |
Diabetologia | 1977 |
Dynamics of calcium-induced insulin release
G Devis, G Somers, WJ Malaisse |
Diabetologia | 1977 |
Effects of cytochalasin B on pancreatic acinar cell structure and secretion
JA Williams |
Cell and Tissue Research | 1977 |
The stimulus -secretion coupling of glucose-induced insulin release. XIX. The insulinotropic effect of glyceraldehyde
WJ Malaisse, A Herchuelz, J Levy, A Sener, DG Pipeleers, G Devis, G Somers, EV Obberghen |
Molecular and Cellular Endocrinology | 1976 |
The stimulus-secretion coupling of glucose-induced insulin release
WJ Malaisse, A Sener, J Levy, A Herchuelz |
Acta Diabetologica Latina | 1976 |
Analogy between native and exogenous ionophores in the pancreatic B-cell
G Somers, G Devis, WJ Malaisse |
FEBS Letters | 1976 |
Calcium-antagonists and islet function. IV. effect of D600
WJ Malaisse, G Devis, DG Pipeleers, G Somers |
Diabetologia | 1976 |
Calcium-antagonists and islet function: VI. Effect of barium
G Somers, G Devis, EV Obberghen, WJ Malaisse |
Pflügers Archiv - European Journal of Physiology | 1976 |
Cytochalasin B: Evidence for a membrane-directed action in B-cells from rat pancreatic islets
P Schauder, H Frerichs |
Pflügers Archiv - European Journal of Physiology | 1976 |
Bone Cells in Culture: Morphologic Transformation by Hormones
SS Miller, AM Wolf, CD Arnaud |
Science | 1976 |
Cell surface receptors for insulin and human growth hormone. Effect of microtubule and microfilament modifiers
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The Journal of biological chemistry | 1976 |
The role of subcellular organelles in hormone secretion
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Experimental Cell Research | 1975 |
ROLE OF MICROTUBULES IN THE PHASIC PATTERN OF INSULIN RELEASE
WJ Malaisse, F Malaisse-Lagae, E Obberghen, G Somers, G Devis, M Ravazzola, L Orci |
Annals of the New York Academy of Sciences | 1975 |
Stimulation of insulin release by calcium
G Devis, G Somers, WJ Malaisse |
Biochemical and Biophysical Research Communications | 1975 |
Alcohol and Abnormal Protein Biosynthesis
M Oratz, MA Rothschild |
Alcohol and Abnormal Protein Biosynthesis | 1975 |
Pancreatic Islet-Cell Toxicity
LJ Fischer, DE Rickert, A Lazarow |
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1975 | |
Vesicular Binesis: Glucose Effect on Insulin Secretory Vesicles
KH Gabbay, J Korff, EE Schneeberger |
Science | 1975 |
Dynamics of Insulin Release and Microtubular-Microfilamentous System
EV Obberghen, G Devis, G Somers, M Ravazzola, F Malaisse-Lagae, WJ Malaisse |
European Journal of Clinical Investigation | 1974 |
Cytochalasin B: Its action on glucose-induced electrical and metabolic responses in rat pancreatic islets
CS Pace, FM Matschinsky |
Biochimica et Biophysica Acta (BBA) - General Subjects | 1974 |
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Diabetologia | 1974 |
Possible role of a microtubular-microfilamentous system in glucagon secretion
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Diabetologia | 1974 |
Cytochalasin B: Inhibition of glucose-induced insulin release from isolated rat pancreatic islets
P Schauder, H Frerichs |
Diabetologia | 1974 |
Dynamics of insulin release and microtubular-microfilamentous system: II. Effect of vincristine
G Devis, EV Obberghen, G Somers, F Malaisse-Lagae, L Orci, WJ Malaisse |
Diabetologia | 1974 |
Emiocytosis of B granules from saurian pancreatic islets perifused in vitro
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American Journal of Anatomy | 1973 |