Inhibition by antibiotics of Rb Salmonella binding to human peripheral blood lymphocytes

Immunopharmacology
S AntonaciE Jirillo

Abstract

Several lines of evidence point out that Salmonella minnesota R345 (Rb) possesses the capacity to adhere spontaneously to human peripheral blood lymphocytes. The binding is mediated via the lipopolysaccharide moiety of the bacterial outer membrane. In this report, we have evaluated the effects of various antibiotics on bacterial binding. Our data show that trimethoprim/sulphamethoxazole, chloramphenicol and erythromycin significantly decrease Rb binding, while gentamicin and sisomicin are without effect. Antibiotics display their inhibitory effect by acting on peripheral blood lymphocytes likely by competing with lipopolysaccharide for receptor binding capacity on lymphocyte surface.

References

Jun 1, 1969·European Journal of Biochemistry·C GalanosO Westphal
Oct 1, 1983·The Journal of Antimicrobial Chemotherapy·R F Jacobs, C B Wilson
Oct 1, 1983·The Journal of Antimicrobial Chemotherapy·W L HandT H Steinberg

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