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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
9
pubmed:dateCreated
2008-9-17
pubmed:abstractText
Metastasis is a key aspect of tumor malignancy, and several malignant tumors show expression of various mature N-type glycans. In particular, beta1-6 branching N-acetylglucosamine (GlcNAc) is abundantly expressed as a part of high-mannose glycans in various highly metastatic cancers. Phaseolus vulgaris agglutinin-L(4) isolectin (L(4)-PHA), which adheres to beta1-6 GlcNAc specifically, has been used for in situ cancer diagnosis. Bionanocapsules (BNCs), hollow particles with a diameter of approximately 80 nm and composed of hepatitis B surface antigen (HBsAg) and a lipid bilayer, have been developed as human liver-specific nanocapsules for in vivo drug delivery system. In this study, we have generated L(4)-PHA-displaying BNCs (PHA-BNCs) and examined whether L(4)-PHA could retarget the BNCs to malignant tumors as a "biosensor" distinguishing tumor metastaticity. Fluorescence-labeled PHA-BNCs injected systemically into a mouse xenograft model were found to accumulate in beta1-6 GlcNAc-expressing malignant tumors. The PHA-BNCs were able to deliver DNA to the malignant cancer cells. These results open up the possibility of using L(4)-PHA lectin as a targeting molecule in a drug delivery system, and of using PHA-BNCs as a novel nanodevice for malignant tumor-specific bioimaging and drug delivery.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
1557-7422
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
19
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
887-95
pubmed:meshHeading
pubmed-meshheading:18717644-Animals, pubmed-meshheading:18717644-Cell Line, Tumor, pubmed-meshheading:18717644-DNA, Recombinant, pubmed-meshheading:18717644-Drug Delivery Systems, pubmed-meshheading:18717644-Gene Therapy, pubmed-meshheading:18717644-Humans, pubmed-meshheading:18717644-Liver Neoplasms, Experimental, pubmed-meshheading:18717644-Male, pubmed-meshheading:18717644-Mice, pubmed-meshheading:18717644-Mice, Nude, pubmed-meshheading:18717644-N-Acetylglucosaminyltransferases, pubmed-meshheading:18717644-Nanocapsules, pubmed-meshheading:18717644-Neoplasm Transplantation, pubmed-meshheading:18717644-Neoplasms, pubmed-meshheading:18717644-Phaseolus, pubmed-meshheading:18717644-Phytohemagglutinins, pubmed-meshheading:18717644-Phytotherapy, pubmed-meshheading:18717644-Transplantation, Heterologous
pubmed:year
2008
pubmed:articleTitle
In vivo delivery of bionanocapsules displaying Phaseolus vulgaris agglutinin-L4 isolectin to malignant tumors overexpressing N-acetylglucosaminyltransferase V.
pubmed:affiliation
Department of Structural Molecular Biology, Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka 567-0047, Japan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't