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Immunophototherapy

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https://www.readbyqxmd.com/read/18435703/immunophototherapy-using-pdt-combined-with-rapid-intratumoral-dendritic-cell-injection
#1
Brandon W Sur, Phuong Nguyen, Chung-Ho Sun, Bruce J Tromberg, Edward L Nelson
The capacity of photodynamic therapy (PDT) to induce localized cell death and tissue damage suggests that when applied to tumors it could create a local depot of tumor-associated antigens, which would be available for uptake and presentation to the immune system, potentially leading to improved tumor control. Dendritic cells (DCs) are the most potent cells for antigen uptake, presentation, and stimulation of the immune system. However, it is unclear whether DCs would retain their viability and functional capacity for the requisite trafficking to draining lymph nodes when adoptively transferred in close temporal and anatomic proximity to the site of PDT-induced cytotoxicity...
September 2008: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/11742503/internalisation-enhances-photo-induced-cytotoxicity-of-monoclonal-antibody-phthalocyanine-conjugates
#2
M Carcenac, M Dorvillius, V Garambois, F Glaussel, C Larroque, R Langlois, N E Hynes, J E van Lier, A Pèlegrin
Immunophototherapy of cancer combines the specificity of a monoclonal antibody (MAb) to an overexpressed tumor marker with the phototoxic properties of the conjugated dye. To analyze the potential role of internalisation of the dye on photo-induced cytotoxicity, we compared two target antigens, carcinoembryonic antigen (CEA) that does not internalise and ErbB2 that does. Human ovarian carcinoma SKOv3 cells that express a high level of ErbB2 were transfected with the CEA cDNA. Using FACS analysis, the resulting cell line, SKOv3-CEA-1B9, demonstrated comparable levels of expression of the two target antigens...
November 30, 2001: British Journal of Cancer
https://www.readbyqxmd.com/read/11125289/-cancer-immunophotodetection-and-immunophototherapy
#3
REVIEW
M Carcenac, M Gutowski, P Rouanet, C Larroque, A Pèlegrin
Some dyes can be used for cancer diagnosis and therapy. Following administration, the dye concentrate with some specificity in the tumor and can react to an irradiation with light. Some excited dyes can be fluorescent allowing detection of very small tumors. Some other dye can be phototoxic and lead to the destruction of the tumor. These attractive techniques are however limited because of the too low tumor specificity of the currently used dyes (hematoporphyrin and phthalocyanine). A new strategy has be developed in which the fluorescent or phototoxic dye is coupled to an antibody directed against a tumor associated antigen...
November 2000: Bulletin du Cancer
https://www.readbyqxmd.com/read/10628305/preparation-phototoxicity-and-biodistribution-studies-of-anti-carcinoembryonic-antigen-monoclonal-antibody-phthalocyanine-conjugates
#4
M Carcenac, C Larroque, R Langlois, J E van Lier, J C Artus, A Pèlegrin
Immunophototherapy of cancer combines the specificity of a monoclonal antibody (MAb) to an overexpressed tumor marker with the phototoxic properties of a conjugated dye. Aluminum tetrasulfophthalocyanine (AlPcS4) was covalently coupled to a 35A7 MAb directed against carcinoembryonic antigen (CEA) via a five-carbon spacer chain (A1) to yield conjugates with a molar ratio ranging from 5 to 16 mol of AlPcS4 per mol of 35A7 MAb. Conjugates were labeled with radioiodine for characterization. The immunoreactivity of the conjugates, determined in a direct binding assay on CEA coupled to sepharose, was not modified by the coupled AlPcS4A1 molecules...
December 1999: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/2919485/modulation-of-hematoporphyrin-derivative-sensitized-phototherapy-with-corynebacterium-parvum-in-murine-transitional-cell-carcinoma
#5
R C Myers, B H Lau, D Y Kunihira, R R Torrey, J L Woolley, J Tosk
The interaction of photodynamic therapy (PDT) with hematoporphyrin derivative (Hpd) and immunotherapy with Corynebacterium parvum (CP) was studied in a murine transitional cell carcinoma (MBT-2) model. C3H/He mice were transplanted subcutaneously in the hind limb with 2.5 X 10(5) tumor cells. One day after transplantation, mice were randomized into groups to receive saline (control), PDT, CP 25 micrograms, CP 250 micrograms, CP 25 micrograms + PDT, and CP 250 micrograms + PDT. PDT was administered by intraperitoneal (IP) injection of Hpd (12...
March 1989: Urology
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