Potential importance of Maackia amurensis agglutinin in non-small cell lung cancer. 2013

Sangeeta Mehta, and Rakhee Chhetra, and Radhika Srinivasan, and Suresh C Sharma, and Digambar Behera, and Sujata Ghosh
Postgraduate Institute of Medical Education and Research PGIMER, Department of Radiotherapy, Chandigarh 160012, India.

Maackia amurensis agglutinin is a NeuNAcα (2-3) Galβ (1-4) GlcNAc/Glc-specific lectin, which was shown to have diagnostic potential in cancers of different origin. In a previous report, we demonstrated that GM3 specific IgG from bronchoalveolar lavage fluid (BALF) of non-small cell lung cancer (NSCLC) patients interacted with ∼66kDa membrane glycoprotein band of NSCLC cell lines, which was also recognised by this lectin. This observation prompted us to assess the potential of Maackia amurensis agglutinin in NSCLC. Accordingly, we examined the reactivity of this lectin with NSCLC cell lines as well as the tissue biopsies and cells obtained from fine needle aspirations of NSCLC patients. Maackia amurensis agglutinin showed strong reactivity, specifically with cells and biopsy samples of NSCLC origin. Furthermore, this lectin was found to induce apoptosis in NSCLC cells. The mechanism of this lectin-induced apoptosis involved downregulation of Bcl-XL, upregulation of Bax, release of cytochrome c and activation of procaspase-3. Collectively our results have suggested that Maackia amurensis agglutinin may have the potential to serve as a unique probe for detection of NSCLC and also as a specific apoptosis-inducing agent in NSCLC cells.

UI MeSH Term Description Entries
D008175 Lung Neoplasms Tumors or cancer of the LUNG. Cancer of Lung,Lung Cancer,Pulmonary Cancer,Pulmonary Neoplasms,Cancer of the Lung,Neoplasms, Lung,Neoplasms, Pulmonary,Cancer, Lung,Cancer, Pulmonary,Cancers, Lung,Cancers, Pulmonary,Lung Cancers,Lung Neoplasm,Neoplasm, Lung,Neoplasm, Pulmonary,Pulmonary Cancers,Pulmonary Neoplasm
D002289 Carcinoma, Non-Small-Cell Lung A heterogeneous aggregate of at least three distinct histological types of lung cancer, including SQUAMOUS CELL CARCINOMA; ADENOCARCINOMA; and LARGE CELL CARCINOMA. They are dealt with collectively because of their shared treatment strategy. Carcinoma, Non-Small Cell Lung,Non-Small Cell Lung Cancer,Non-Small Cell Lung Carcinoma,Non-Small-Cell Lung Carcinoma,Nonsmall Cell Lung Cancer,Carcinoma, Non Small Cell Lung,Carcinomas, Non-Small-Cell Lung,Lung Carcinoma, Non-Small-Cell,Lung Carcinomas, Non-Small-Cell,Non Small Cell Lung Carcinoma,Non-Small-Cell Lung Carcinomas
D006651 Histocytochemistry Study of intracellular distribution of chemicals, reaction sites, enzymes, etc., by means of staining reactions, radioactive isotope uptake, selective metal distribution in electron microscopy, or other methods. Cytochemistry
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000373 Agglutinins A substance that makes particles (such as bacteria or cells) stick together to form a clump or a mass. Agglutinin
D001706 Biopsy Removal and pathologic examination of specimens from the living body. Biopsies
D015153 Blotting, Western Identification of proteins or peptides that have been electrophoretically separated by blot transferring from the electrophoresis gel to strips of nitrocellulose paper, followed by labeling with antibody probes. Immunoblotting, Western,Western Blotting,Western Immunoblotting,Blot, Western,Immunoblot, Western,Western Blot,Western Immunoblot,Blots, Western,Blottings, Western,Immunoblots, Western,Immunoblottings, Western,Western Blots,Western Blottings,Western Immunoblots,Western Immunoblottings
D017209 Apoptosis A regulated cell death mechanism characterized by distinctive morphologic changes in the nucleus and cytoplasm, including the endonucleolytic cleavage of genomic DNA, at regularly spaced, internucleosomal sites, i.e., DNA FRAGMENTATION. It is genetically programmed and serves as a balance to mitosis in regulating the size of animal tissues and in mediating pathologic processes associated with tumor growth. Apoptosis, Extrinsic Pathway,Apoptosis, Intrinsic Pathway,Caspase-Dependent Apoptosis,Classic Apoptosis,Classical Apoptosis,Programmed Cell Death,Programmed Cell Death, Type I,Apoptoses, Extrinsic Pathway,Apoptoses, Intrinsic Pathway,Apoptosis, Caspase-Dependent,Apoptosis, Classic,Apoptosis, Classical,Caspase Dependent Apoptosis,Cell Death, Programmed,Classic Apoptoses,Extrinsic Pathway Apoptoses,Extrinsic Pathway Apoptosis,Intrinsic Pathway Apoptoses,Intrinsic Pathway Apoptosis
D045744 Cell Line, Tumor A cell line derived from cultured tumor cells. Tumor Cell Line,Cell Lines, Tumor,Line, Tumor Cell,Lines, Tumor Cell,Tumor Cell Lines
D020287 In Situ Nick-End Labeling An in situ method for detecting areas of DNA which are nicked during APOPTOSIS. Terminal deoxynucleotidyl transferase is used to add labeled dUTP, in a template-independent manner, to the 3 prime OH ends of either single- or double-stranded DNA. The terminal deoxynucleotidyl transferase nick end labeling, or TUNEL, assay labels apoptosis on a single-cell level, making it more sensitive than agarose gel electrophoresis for analysis of DNA FRAGMENTATION. Nick-End Labeling, In Situ,TUNEL,In Situ Nick End Labeling,In Situ Nick End Labelling,In Situ Nick End-Labeling,In Situ Nick End-Labelling,In Situ Nick-End Labelling,Nick End-Labeling, In Situ,Nick End-Labelling, In Situ,Nick-End Labelling, In Situ,Nick End Labeling, In Situ,Nick End Labelling, In Situ

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