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  • Oxford Journals (Oxford University Press)  (1)
  • 1
    In: International Immunology, 2019, Vol. 31(6), pp.385-396
    Description: Burkholderia cepacia complex (Bcc), which includes B. cenocepacia and B. multivorans , pose a life-threatening risk to patients with cystic fibrosis. Eradication of Bcc is difficult due to the high level of intrinsic resistance to antibiotics, and failure of many innate immune cells to control the infection. Because of the pathogenesis of Bcc infections, we wondered if a novel mechanism of microbial host defense involving direct antibacterial activity by natural killer (NK) cells might play a role in the control of Bcc. We demonstrate that NK cells bound Burkholderia , resulting in Src family kinase activation as measured by protein tyrosine phosphorylation, granule release of effector proteins such as perforin and contact-dependent killing of the bacteria. These studies provide a means by which NK cells could play a role in host defense against Bcc infection. NK cells kill Burkholderia species
    Keywords: Bacterial Infection ; Cytolytic Granules ; Nk Cell Contact - Dependent Killing ; Nk Cell Cytotoxicity ; Nk Cell Immunity
    ISSN: 09538178
    E-ISSN: 1460-2377
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