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  • Title: Mannose-receptor positive and negative mouse macrophages differ in their susceptibility to infection by Chlamydia species.
    Author: Kuo CC, Puolakkainen M, Lin TM, Witte M, Campbell LA.
    Journal: Microb Pathog; 2002 Jan; 32(1):43-8. PubMed ID: 11782120.
    Abstract:
    It has been shown that N-linked high mannose type oligosaccharides competitively inhibits attachment to and infectivity of chlamydiae in HeLa cells. To further study whether mannose moieties are involved in the infectivity of chlamydiae, the susceptibility of mannose-receptor negative J774A and positive J774E mouse macrophages to Chlamydia trachomatis, Chlamydia psittaci and Chlamydia pneumoniae was evaluated. C. trachomatis infected mannose-receptor positive cells better than mannose-receptor negative cells. C. psittaci infected both mannose-receptor negative and positive cells equally well, while C. pneumoniae infected mannose-receptor negative cells better than mannose-receptor positive cells. Further studies using this system may provide insight into the role of mannose-receptor in attachment, entry and survival of chlamydiae in macrophages.
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