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Ant, and the Mayo Clinic Clinician Investigator Training Program (LGT). Author details 1 The Texas Brain and Spine Institute, 8441 St. Hwy 47, Suite 4300, Bryan, TX 77807, USA. 2Department of Neuroscience and Experimental Therapeutics, Texas A M HSC College of Medicine, 2006 MREB, 8447 St. Hwy 47, Bryan, TX 77807, USA. 3Department of Neurology, Mayo Clinic, Rochester, MN, USA. 4 Division of Biomed
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Ental counterparts. We did not observe, however, distant invasion in U87MG tumors over-expressing galectin-1. The U87MG model is in fact weakly invasive in the brains of immunocompromized mice [33,34], while it is associated with pronounced neoangiogenesis processes [37]. Further work (e.g. viral transduction) with our patient-derivedToussaint et al. Molecular Cancer 2012, 11:32 http://www.molecul
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Ase) makes it a resource for identification, as well as preclinical targeting, of novel mediators of glioma invasion. Galectin-1 was identified in this manner, and has proven in vitro and in vivo to be important in the migration and invasion of glioblastoma cells. Previous work suggests an even greater role of galectin-1 in GBM neoangiogenesis, chemo- and radioresistence, and immune privilege. Tar
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Ss microarray chip platforms when hybridizing the same sample RNA [32]. Additionally,Toussaint et al. Molecular Cancer 2012, 11:32 http://www.molecular-cancer.com/content/11/1/Page 8 ofFigure 4 (A) Galectin-1 transfection does not alter U87MG attachment to fibronectin. Attachment to fibronectin-coated 96-well plates was quantitated with an MTT assay with and without a media change in the middle of
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That is relatively over-expressed at the tumor periphery. These graphical representations of gene expression data compare the relative expression of galectin-1 from the core and edge of tumors to pooled data from normal mouse brain samples. (Graphics from GeneSpringW).created. To ensure that galectin-1 over-expression would not enhance proliferation of the U87MG line (and hence alter the interpret
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Ant, and the Mayo Clinic Clinician Investigator Training Program (LGT). Author details 1 The Texas Brain and Spine Institute, 8441 St. Hwy 47, Suite 4300, Bryan, TX 77807, USA. 2Department of Neuroscience and Experimental Therapeutics, Texas A M HSC College of Medicine, 2006 MREB, 8447 St. Hwy 47, Bryan, TX 77807, USA. 3Department of Neurology, Mayo Clinic, Rochester, MN, USA. 4 Division of Biomed
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Orithm. Galectin-1 was ranked at the top of this list. We thus took advantage of our own patient-derived glioblastoma xenograft model [25] in order to further decipher the roles of galectin-1 on GBM cell migration features. The system we have developed mitigates the effect of three important confounders from human samples. First, tissue is frozen within one minute of removal, ensuring high quality
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Man T lymphocytes. J Immunol 1998, 161:2114?119. 47. Rubinstein N, Alvarez M, Zwirner NW, Toscano MA, Ilarregui JM, Bravo A, Mordoh J, Fainboim L, Podhajcer OL, Rabinovich GA: Targeted inhibition of galectin-1 gene expression in tumor cells results in heightened T cellmediated rejection; A potential mechanism of tumor-immune privilege. Cancer Cell 2004, 5:241?51. 48. Kuppner MC, Hamou MF, Sawamura

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