Selective Recognition of Rituximab-Functionalized Gold Nanoparticles by Lymphoma Cells Studied with 3D Imaging. Weiss, A., Preston, T. C., Popov, J., Li, Q., Wu, S., Chou, K. C., Burt, H. M., Bally, M. B., & Signorell, R. The Journal of Physical Chemistry C, 113(47):20252–20258, American Chemical Society, November, 2009.
Paper doi abstract bibtex Several types of multivalent therapeutic antibody constructs have recently been described which exhibit an increased efficacy compared to free, bivalent antibody. For example, it has been shown that rituximab-coupled liposomes (devoid of encapsulated drug) show a stronger response than equal amounts of monomeric rituximab, supposedly due to the ability of the multivalent complex to hyper-cross-link its target in the plasma membrane. We sought to create a new type of multivalent antibody construct using gold nanoparticles, where rituximab is bound to the particle surface through a strong covalent bond. In the present study, rituximab-conjugated gold particles have been prepared with the aim of identifying suitable formulations for use in studies assessing the therapeutic potential of these novel formulations. Different types of rituximab-conjugated particles are prepared and characterized. The size of the particles, as well as the type of functionalization, is varied. In vitro studies with CD-20 positive human mantle cell lymphoma cells and CD-20 negative breast cancer cells combined with three-dimensional (3D) imaging allowed us to select an optimized rituximab-gold system for further studies. Selective recognition of these rituximab nanocarriers by lymphoma cells is demonstrated.
@Article{Weiss2009,
author = {Weiss, Angelina and Preston, Thomas C. and Popov, Jesse and Li, Qifeng and Wu, Sherry and Chou, Keng C. and Burt, Helen M. and Bally, Marcel B. and Signorell, Ruth},
journal = {The Journal of Physical Chemistry C},
title = {Selective {Recognition} of {Rituximab}-{Functionalized} {Gold} {Nanoparticles} by {Lymphoma} {Cells} {Studied} with {3D} {Imaging}},
year = {2009},
issn = {1932-7447},
month = nov,
number = {47},
pages = {20252--20258},
volume = {113},
abstract = {Several types of multivalent therapeutic antibody constructs have recently been described which exhibit an increased efficacy compared to free, bivalent antibody. For example, it has been shown that rituximab-coupled liposomes (devoid of encapsulated drug) show a stronger response than equal amounts of monomeric rituximab, supposedly due to the ability of the multivalent complex to hyper-cross-link its target in the plasma membrane. We sought to create a new type of multivalent antibody construct using gold nanoparticles, where rituximab is bound to the particle surface through a strong covalent bond. In the present study, rituximab-conjugated gold particles have been prepared with the aim of identifying suitable formulations for use in studies assessing the therapeutic potential of these novel formulations. Different types of rituximab-conjugated particles are prepared and characterized. The size of the particles, as well as the type of functionalization, is varied. In vitro studies with CD-20 positive human mantle cell lymphoma cells and CD-20 negative breast cancer cells combined with three-dimensional (3D) imaging allowed us to select an optimized rituximab-gold system for further studies. Selective recognition of these rituximab nanocarriers by lymphoma cells is demonstrated.},
doi = {10.1021/jp907423z},
file = {Full Text PDF:https\://pubs.acs.org/doi/pdf/10.1021/jp907423z:application/pdf;ACS Full Text Snapshot:https\://pubs.acs.org/doi/full/10.1021/jp907423z:text/html},
publisher = {American Chemical Society},
url = {https://doi.org/10.1021/jp907423z},
urldate = {2020-06-19TZ},
}
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