Abstract:
:The hemagglutinin-neuraminidase (HN) protein of Newcastle disease virus (NDV) with its immunotherapeutic activities and sialic acid binding abilities is a promising cancer adjuvant. The HN was surfaced displayed on Lactococcus lactis and its cancer targeting ability was investigated via attachment to the MDA-MB231 breast cancers. To surface display the HN protein on the bacterial cell wall, HN was fused to N-acetylmuraminidase (AcmA) anchoring motif of L. lactis and expressed in Chinese hamster ovary cells. The expressed recombinant fusion proteins were purified and mixed with a culture of L. lactis and Lactobacillus plantarum. Immunofluorescence assay showed the binding of the recombinant HN-AcmA protein on the surface of the bacterial cells. The bacterial cells carrying the HN-AcmA protein interacted with the MDA-MB231 breast cancer cells. Direct and fluorescent microscopy confirmed that L. lactis and Lb. plantarum surface displaying the recombinant HN were attached to the breast cancer MDA-MB231 cells, providing evidence for the potential ability of HN in targeting to cancer cells.
journal_name
J Cancerjournal_title
Journal of Cancerauthors
Baradaran A,Yusoff K,Shafee N,Rahim RAdoi
10.7150/jca.13566subject
Has Abstractpub_date
2016-01-29 00:00:00pages
462-6issue
4issn
1837-9664pii
jcav07p0462journal_volume
7pub_type
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