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A Profrock

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Articles 7
Citations 32
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Recent Articles
1.
Zimmermann P, Schnefel S, Zeuzem S, Profrock A, Haase W, Schulz I
Am J Physiol . 1992 Sep; 263(3 Pt 1):G396-406. PMID: 1415552
This study shows the presence of seven different low-molecular-weight GTP binding proteins (smg proteins) with molecular masses between 18 and 27 kDa in subfractions of rat pancreatic acinar cells. After...
2.
Profrock A, Zimmermann P, Schulz I
Am J Physiol . 1992 Aug; 263(2 Pt 1):G240-7. PMID: 1325128
This study investigates interaction of bombesin receptors with heterotrimeric guanosine triphosphate (GTP)-binding proteins (G proteins) and monomeric small molecular weight GTP-binding proteins (smg proteins), respectively, in plasma membranes (PM) of...
3.
Piiper A, Profrock A, Schulz I
Biochem Biophys Res Commun . 1991 Dec; 181(2):827-32. PMID: 1755862
Evidence suggests that cholecystokinin-octapeptide (CCK-8)-induced activation of a Cl- conductance in the membrane of zymogen granules (ZG) is closely related to pancreatic enzyme secretion. Following stimulation of isolated pancreatic acinar...
4.
Profrock A, Piiper A, Eckhardt L, Schulz I
Biochem Biophys Res Commun . 1991 Oct; 180(2):900-6. PMID: 1953760
We have studied the effects of epidermal growth factor (EGF) on both cholecystokinin octapeptide (CCK-OP)-induced inositol-1,4,5 trisphosphate (IP3) production and on cytosolic free calcium concentrations [Ca2+]i by fluorescence measurements in...
5.
Kellerer M, Profrock A, Schleicher E, Seffer E, Mushack J, Ermel B, et al.
Biochem J . 1991 May; 276 ( Pt 1):103-8. PMID: 1645524
The first steps in insulin action are binding of insulin to its receptor and activation of the insulin receptor kinase. As there is indirect evidence that further signal transduction might...
6.
Profrock A, Schnefel S, Schulz I
Biochem Biophys Res Commun . 1991 Mar; 175(2):380-6. PMID: 1902090
In rat pancreatic acinar cells epidermal growth factor (EGF) and insulin increase both basal and cholecystokinin (CCK-OP) stimulated amylase release in vitro (1) as a long term function of this...
7.
Schnefel S, Profrock A, Hinsch K, Schulz I
Biochem J . 1990 Jul; 269(2):483-8. PMID: 2117441
On separation of rat pancreatic plasma membrane proteins by two-dimensional gel electrophoresis, 15 GTP-binding protein (G-protein) alpha-subunits could be detected immunochemically using an alpha common antibody. These consisted of five...