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. 1991 Feb;72(2):287–291.

In vitro effects of polychlorinated biphenyls on human platelets.

M Raulf 1, W König 1
PMCID: PMC1384498  PMID: 1901832

Abstract

Incubation of human platelets with polychlorinated biphenyls (PCB) induced and modulated cellular responses to a different degree. 3,3',4,4'-tetrachlorobiphenyl (TCB) was a more potent inducer of platelet aggregation, serotonin release and 12-HETE generation compared to the other PCB [2,2',3,3'-TCB,3,3'-dichlorobiphenyl (DCB),2,2',4,5,5'-pentachlorobiphenyl (PCB)]. 3,3',4,4'-TCB showed synergistic effects, in combination with other PCB, such as an enhanced formation of 12-HETE, when 3,3'-DCB and 2,2',3,3'-TCB were applied simultaneously. The combined incubation of platelets with PCB and sodium fluoride (NaF), an activator of G-proteins, resulted in synergistic 12-HETE generation compared to stimulation with NaF or PCB alone. Furthermore, when platelets were incubated with the PCB the enzymatic steps controlling the metabolism of the platelet-activating factor (PAF) were modulated. A direct relationship between the extent of platelet activation and the chloro-substitution pattern of PCB exists.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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