Baldine B. Paul

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By mounting a layer of chorioamniotic membrane on a specially designed reaction vessel, we studied the effect of Escherichia coli and/or group B streptococcus growing on the decidual surface of the membranes in tissue culture or bacteriologic medium. The organisms grew equally well in either medium. When growing in tissue culture medium, either organism(More)
The anti-inflammatory drug phenylbutazone has been found to inhibit both engulfment and intracellular killing of E. coli by guinea pig peritoneal polymorphonuclear (PMN) leukocytes. The bactericidal activity of leukocytic homogenates was also inhibited by the drug. Addition of the drug at various time intervals to a phagocytic reacting system caused an(More)
A mycoplasmacidal system consisting of myeloperoxidase (MPO)-containing granules, H(2)O(2), and a halide is described. In all parameters measured, it appears to be identical to the MPO-H(2)O(2)-halide bactericidal system previously reported. It has a pH optimum of approximately 5.5 and an optimal MPO:H(2)O(2) ratio of 1:25. The halide requirement can be(More)
Evidence is presented which suggests that the mechanism of action of the myeloperoxidase-H(2)O(2)-Cl(-) antimicrobial system in the phagocyte is by the formation of aldehydes. Aldehyde production resulting from myeloperoxidase-mediated decarboxylation and deamination of alanine was quantitated with 20,000-g granules from guinea pig polymorphonuclear(More)