Synergism between thapsigargin and the phorbol ester 12-O-tetradecanoylphorbol 13-acetate on the release of [C]arachidonic acid and histamine from rat peritoneal mast cells
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Synergism between thapsigargin and the phorbol ester 12-O-tetradecanoylphorbol 13-acetate on the release of [C]arachidonic acid and histamine from rat peritoneal mast cells. / Jacobsen, S.; Hansen, Harald S.; Jensen, B.
In: Biochemical Pharmacology, Vol. 36, No. 5, 01.03.1987, p. 621-626.Research output: Contribution to journal › Journal article › Research › peer-review
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T1 - Synergism between thapsigargin and the phorbol ester 12-O-tetradecanoylphorbol 13-acetate on the release of [C]arachidonic acid and histamine from rat peritoneal mast cells
AU - Jacobsen, S.
AU - Hansen, Harald S.
AU - Jensen, B.
PY - 1987/3/1
Y1 - 1987/3/1
N2 - Thapsigargin is a potent skin irritating sesquiterpene lactone isolated from the roots of Thapsia garganica L. (Apiaceae). In rat peritoneal mast cells thapsigargin induced a calcium-dependent non-cytotoxic [C]arachidonic acid and histamine release. A minor amount of the released [C]arachidonic acid was converted to [C]prostaglandin D. A potentiated effect was found between thapsigargin and 12--tetradecanoylphorbol 13-acetate, as well as between A23187 and the phorbol ester with respect to release of [C]arachidonic acid and histamine. It is suggested that the synergistic effect is due to activation of protein kinase C by 12-O-tetradecanoylphorbol 13-acetate and to increased intracellular calcium concentration mediated by A23187 as well as thapsigargin. [C]arachidonic acid was released mainly from phosphatidylcholine. It is suggested that this release may be due to an action of phospholipase A, and that protein kinase C is involved in activation of phospholipase A.
AB - Thapsigargin is a potent skin irritating sesquiterpene lactone isolated from the roots of Thapsia garganica L. (Apiaceae). In rat peritoneal mast cells thapsigargin induced a calcium-dependent non-cytotoxic [C]arachidonic acid and histamine release. A minor amount of the released [C]arachidonic acid was converted to [C]prostaglandin D. A potentiated effect was found between thapsigargin and 12--tetradecanoylphorbol 13-acetate, as well as between A23187 and the phorbol ester with respect to release of [C]arachidonic acid and histamine. It is suggested that the synergistic effect is due to activation of protein kinase C by 12-O-tetradecanoylphorbol 13-acetate and to increased intracellular calcium concentration mediated by A23187 as well as thapsigargin. [C]arachidonic acid was released mainly from phosphatidylcholine. It is suggested that this release may be due to an action of phospholipase A, and that protein kinase C is involved in activation of phospholipase A.
UR - http://www.scopus.com/inward/record.url?scp=0023153203&partnerID=8YFLogxK
M3 - Journal article
AN - SCOPUS:0023153203
VL - 36
SP - 621
EP - 626
JO - Biochemical Pharmacology
JF - Biochemical Pharmacology
SN - 0006-2952
IS - 5
ER -
ID: 45561308