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Immunoglobulin enhances the bioactive-glass-induced chemiluminescence response of human polymorphonuclear leukocytes.

Bioactive glasses are bone substitutes that chemically bind to bone. Implanted materials always elicit a response from surrounding tissues and thereby can activate inflammatory cells, with subsequent release of biomaterial and tissue-damaging agents. Bioactive glasses can activate polymorphonuclear leukocytes (PMNL) and induce a release of reactive oxygen metabolites (ROM). Adsorption of proteins on the surface of the implanted material may influence the subsequent inflammatory cell response. The effect of Sandoglobulin(R) (SG) and albumin on the ROM release by PMNLs induced by a bioactive glass was studied by a chemiluminescence (CL) assay. An enhanced effect for SG and inhibitory effect for albumin on the CL response of PMNLs was observable. The CL response of the PMNLs was dependent on the incubation time of the glass in solution.