Changes in inositol 1,4,5-trisphosphate and inositol 1,3,4,5- tetrakisphosphate mass accumulations in cultured adrenal chromaffin cells in response to bradykinin and histamine. 1991

R A Challis, and J A Jones, and P J Owen, and M R Boarder
Department of Pharmacology and Therapeutics, University of Leicester, England.

In previous studies it has been shown that both bradykinin and histamine increase the formation of 3H-labeled inositol phosphates in adrenal chromaffin cells prelabelled with [3H]inositol and that both these agonists stimulate release of catecholamines by a mechanism dependent on extracellular calcium. Here, we have used mass assays of inositol 1,4,5-trisphosphate [Ins(1,4,5)P3] and inositol 1,3,4,5-tetrakisphosphate [Ins(1,3,4,5)P4] to investigate changes in levels of these two candidates as second messengers in response to stimulation with bradykinin and histamine. Bradykinin increased the mass of Ins(1,3,4,5)P4 despite the failure in earlier studies with [3H]inositol-labelled cells to observe a bradykinin-mediated increase in content of [3H]InsP4. Bradykinin elicited a very rapid increase in level of Ins(1,4,5)P3, which was maximal at 5-10 s and then rapidly decreased to a small but sustained elevation at 2 min. The bradykinin-elicited Ins(1,3,4,5)P4 response increased to a maximum at 30-60 s and at 2 min was still elevated severalfold above basal levels. Histamine, which produced a larger overall total inositol phosphate response in [3H]inositol-loaded cells, produced significantly smaller Ins(1,4,5)P3 and Ins(1,3,4,5)P4 responses compared with bradykinin. The bradykinin stimulation of Ins(1,4,5)P3 accumulation was partially dependent on a high (1.8 mM) extracellular Ca2+ concentration, whereas the Ins(1,3,4,5)P4 response was almost completely lost when the extracellular Ca2+ concentration was reduced to 100 nM. Changes in the inositol polyphosphate second messengers are compared with the time course of bradykinin-stimulated increases in free intracellular Ca2+ concentrations and noradrenaline release.

UI MeSH Term Description Entries
D007295 Inositol Phosphates Phosphoric acid esters of inositol. They include mono- and polyphosphoric acid esters, with the exception of inositol hexaphosphate which is PHYTIC ACID. Inositol Phosphate,Phosphate, Inositol,Phosphates, Inositol
D007425 Intracellular Membranes Thin structures that encapsulate subcellular structures or ORGANELLES in EUKARYOTIC CELLS. They include a variety of membranes associated with the CELL NUCLEUS; the MITOCHONDRIA; the GOLGI APPARATUS; the ENDOPLASMIC RETICULUM; LYSOSOMES; PLASTIDS; and VACUOLES. Membranes, Intracellular,Intracellular Membrane,Membrane, Intracellular
D009994 Osmolar Concentration The concentration of osmotically active particles in solution expressed in terms of osmoles of solute per liter of solution. Osmolality is expressed in terms of osmoles of solute per kilogram of solvent. Ionic Strength,Osmolality,Osmolarity,Concentration, Osmolar,Concentrations, Osmolar,Ionic Strengths,Osmolalities,Osmolar Concentrations,Osmolarities,Strength, Ionic,Strengths, Ionic
D001920 Bradykinin A nonapeptide messenger that is enzymatically produced from KALLIDIN in the blood where it is a potent but short-lived agent of arteriolar dilation and increased capillary permeability. Bradykinin is also released from MAST CELLS during asthma attacks, from gut walls as a gastrointestinal vasodilator, from damaged tissues as a pain signal, and may be a neurotransmitter. Arg-Pro-Pro-Gly-Phe-Ser-Pro-Phe-Arg,Bradykinin Acetate, (9-D-Arg)-Isomer,Bradykinin Diacetate,Bradykinin Hydrochloride,Bradykinin Triacetate,Bradykinin, (1-D-Arg)-Isomer,Bradykinin, (2-D-Pro)-Isomer,Bradykinin, (2-D-Pro-3-D-Pro-7-D-Pro)-Isomer,Bradykinin, (2-D-Pro-7-D-Pro)-Isomer,Bradykinin, (3-D-Pro)-Isomer,Bradykinin, (3-D-Pro-7-D-Pro)-Isomer,Bradykinin, (5-D-Phe)-Isomer,Bradykinin, (5-D-Phe-8-D-Phe)-Isomer,Bradykinin, (6-D-Ser)-Isomer,Bradykinin, (7-D-Pro)-Isomer,Bradykinin, (8-D-Phe)-Isomer,Bradykinin, (9-D-Arg)-Isomer,Arg Pro Pro Gly Phe Ser Pro Phe Arg
D002118 Calcium A basic element found in nearly all tissues. It is a member of the alkaline earth family of metals with the atomic symbol Ca, atomic number 20, and atomic weight 40. Calcium is the most abundant mineral in the body and combines with phosphorus to form calcium phosphate in the bones and teeth. It is essential for the normal functioning of nerves and muscles and plays a role in blood coagulation (as factor IV) and in many enzymatic processes. Coagulation Factor IV,Factor IV,Blood Coagulation Factor IV,Calcium-40,Calcium 40,Factor IV, Coagulation
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D002838 Chromaffin System The cells of the body which stain with chromium salts. They occur along the sympathetic nerves, in the adrenal gland, and in various other organs. Argentaffin System,Argentaffin Systems,Chromaffin Systems,System, Argentaffin,System, Chromaffin,Systems, Argentaffin,Systems, Chromaffin
D006632 Histamine An amine derived by enzymatic decarboxylation of HISTIDINE. It is a powerful stimulant of gastric secretion, a constrictor of bronchial smooth muscle, a vasodilator, and also a centrally acting neurotransmitter. Ceplene,Histamine Dihydrochloride,Histamine Hydrochloride,Peremin
D000311 Adrenal Glands A pair of glands located at the cranial pole of each of the two KIDNEYS. Each adrenal gland is composed of two distinct endocrine tissues with separate embryonic origins, the ADRENAL CORTEX producing STEROIDS and the ADRENAL MEDULLA producing NEUROTRANSMITTERS. Adrenal Gland,Gland, Adrenal,Glands, Adrenal
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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