Tumor Localization and Biodistribution with Radiolabeled Monoclonal Antibody against Pancreatic Cancer in Tumor-Bearing Nude Mice

CHUNG, Y.S., SAWADA, T., KONDO, Y., HO, J.J.L., KIM, Y.S. and SOWA, M. Tumor Localization and Biodistribution with Radiolabeled Monoclonal Antibody against Pancreatic Cancer in Tumor-Bearing Nude Mice. Tohoku J. Exp. Med., 1992, 168 (2), 397-401- Nd2 is a murine monoclonal antibody produced against...

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Published inThe Tohoku Journal of Experimental Medicine Vol. 168; no. 2; pp. 397 - 401
Main Authors CHUNG, YONG S., SAWADA, TETSUJI, KONDO, YASUYUKI, HO, Jenny J.L., Kim, YOUNG S., SOWA, MICHIO
Format Journal Article Conference Proceeding
LanguageEnglish
Published Japan Tohoku University Medical Press 01.10.1992
Subjects
Animals
Antibodies, Monoclonal
Antigens, Neoplasm - analysis
Humans
Immunoenzyme Techniques
Indium Radioisotopes
Mice
Mice, Nude
Neoplasm Transplantation
Pancreatic Neoplasms - immunology
Tissue Distribution - physiology
Transplantation, Heterologous
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Summary:CHUNG, Y.S., SAWADA, T., KONDO, Y., HO, J.J.L., KIM, Y.S. and SOWA, M. Tumor Localization and Biodistribution with Radiolabeled Monoclonal Antibody against Pancreatic Cancer in Tumor-Bearing Nude Mice. Tohoku J. Exp. Med., 1992, 168 (2), 397-401- Nd2 is a murine monoclonal antibody produced against a mucin fraction purified from xenografts of a human pancreatic cancer cell line SW1990. Immunoperoxidase staining showed that the antigen recognized by Nd2 was psesent in 82.9% of pancreatic cancer tissues but not in tissues of normal pancreas and chronic pancreatitis. However Nd2 antigen was found not to be elevated in the sera of patients with pancreatic cancer. Four days after injection of 111In-Nd2 into athymic nude mice bearing SW1990 xenograft there was a higher accumulation in the tumor compared to 111In-normal mouse IgG1. When these mice were scanned with a gamma camera, labeled Nd2 was shown to accumulate in the tumor rapidly on the 1st day after injection and by the 4th day tumor accumulation was more distinctly visualized than non-specific accumulation in liver. These results indicate that Nd2 has high specificity and reactivity for pancreatic cancer and may have possible applicants in radioimmunodetection or targeting of therpeutic drugs in pancreatic cancer.- Nd2; murine monoclonal antibody; immunoperoxidase reaction human pancreatic cancer cells SW 1990; radioimmunodetection
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ISSN:0040-8727
1349-3329
DOI:10.1620/tjem.168.397