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Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography
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| Zeitschriftentitel: | Japanese Journal of Cancer Research |
|---|---|
| Personen und Körperschaften: | , , , , , , , |
| In: | Japanese Journal of Cancer Research, 83, 1992, 4, S. 379-386 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
|
| Schlagwörter: |
| author_facet |
Satoh, Tsuyoshi Watanabe, Tadashi Tadokoro, Masanori Sakamoto, Junichi Murayama, Hiroki Itoh, Katsuki Sakuma, Sadayuki Takagi, Hiroshi Satoh, Tsuyoshi Watanabe, Tadashi Tadokoro, Masanori Sakamoto, Junichi Murayama, Hiroki Itoh, Katsuki Sakuma, Sadayuki Takagi, Hiroshi |
|---|---|
| author |
Satoh, Tsuyoshi Watanabe, Tadashi Tadokoro, Masanori Sakamoto, Junichi Murayama, Hiroki Itoh, Katsuki Sakuma, Sadayuki Takagi, Hiroshi |
| spellingShingle |
Satoh, Tsuyoshi Watanabe, Tadashi Tadokoro, Masanori Sakamoto, Junichi Murayama, Hiroki Itoh, Katsuki Sakuma, Sadayuki Takagi, Hiroshi Japanese Journal of Cancer Research Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography Cancer Research Oncology |
| author_sort |
satoh, tsuyoshi |
| spelling |
Satoh, Tsuyoshi Watanabe, Tadashi Tadokoro, Masanori Sakamoto, Junichi Murayama, Hiroki Itoh, Katsuki Sakuma, Sadayuki Takagi, Hiroshi 0910-5050 Wiley Cancer Research Oncology http://dx.doi.org/10.1111/j.1349-7006.1992.tb00118.x <jats:p>Anti‐carcinoembryonic antigen monoclonal antibody (MAb) CEA102 was produced by immunization with purified CEA and the specific accumulation of radiolabeled CEA102 in colorectal cancers was investigated by autoradiography of surgical specimens using Fuji Computed Radiography (FCR). Five patients with colorectal cancer were injected intravenously with <jats:sup>131</jats:sup>I‐labeled intact CEA102 or its F(ab′)<jats:sub>2</jats:sub>. Primary tumor and liver metastases were successfully detected by external scanning with a gamma camera in 4 cases. Autoradiographic study of the surgical specimens using FCR showed predominant localization of <jats:sup>131</jats:sup>I‐labeled CEA102 in primary tumors and liver metastases in all cases. Even a small liver metastasis (0.5 cm) was clearly visualized in the autoradiogram by FCR. The pixel distribution curves of the density of the respective tissues in the autoradiograms by FCR showed the heterogeneity of the distribution of administered radiolabeled MAb in individual tumors, but the density of the tumors was higher than that of the normal tissues. In the quantitative distribution analysis of CEA102, the uptake of the primary tumor (mean 1.10%ID/kg) was ten‐fold greater than that of the normal colon mucosa (mean G.10%ID/kg). These results revealed that the application of MAb has great potential in radioimmunodetection as well as in antibody‐directed therapy.</jats:p> Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography Japanese Journal of Cancer Research |
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Wiley, 1992 |
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Japanese Journal of Cancer Research |
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| title |
Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography |
| title_unstemmed |
Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography |
| title_full |
Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography |
| title_fullStr |
Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography |
| title_full_unstemmed |
Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography |
| title_short |
Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography |
| title_sort |
autoradiographic analysis of radiolabeled anti‐carcinoembryonic antigen monoclonal antibody cea102 in colorectal cancer using computed radiography |
| topic |
Cancer Research Oncology |
| url |
http://dx.doi.org/10.1111/j.1349-7006.1992.tb00118.x |
| publishDate |
1992 |
| physical |
379-386 |
| description |
<jats:p>Anti‐carcinoembryonic antigen monoclonal antibody (MAb) CEA102 was produced by immunization with purified CEA and the specific accumulation of radiolabeled CEA102 in colorectal cancers was investigated by autoradiography of surgical specimens using Fuji Computed Radiography (FCR). Five patients with colorectal cancer were injected intravenously with <jats:sup>131</jats:sup>I‐labeled intact CEA102 or its F(ab′)<jats:sub>2</jats:sub>. Primary tumor and liver metastases were successfully detected by external scanning with a gamma camera in 4 cases. Autoradiographic study of the surgical specimens using FCR showed predominant localization of <jats:sup>131</jats:sup>I‐labeled CEA102 in primary tumors and liver metastases in all cases. Even a small liver metastasis (0.5 cm) was clearly visualized in the autoradiogram by FCR. The pixel distribution curves of the density of the respective tissues in the autoradiograms by FCR showed the heterogeneity of the distribution of administered radiolabeled MAb in individual tumors, but the density of the tumors was higher than that of the normal tissues. In the quantitative distribution analysis of CEA102, the uptake of the primary tumor (mean 1.10%ID/kg) was ten‐fold greater than that of the normal colon mucosa (mean G.10%ID/kg). These results revealed that the application of MAb has great potential in radioimmunodetection as well as in antibody‐directed therapy.</jats:p> |
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| author | Satoh, Tsuyoshi, Watanabe, Tadashi, Tadokoro, Masanori, Sakamoto, Junichi, Murayama, Hiroki, Itoh, Katsuki, Sakuma, Sadayuki, Takagi, Hiroshi |
| author_facet | Satoh, Tsuyoshi, Watanabe, Tadashi, Tadokoro, Masanori, Sakamoto, Junichi, Murayama, Hiroki, Itoh, Katsuki, Sakuma, Sadayuki, Takagi, Hiroshi, Satoh, Tsuyoshi, Watanabe, Tadashi, Tadokoro, Masanori, Sakamoto, Junichi, Murayama, Hiroki, Itoh, Katsuki, Sakuma, Sadayuki, Takagi, Hiroshi |
| author_sort | satoh, tsuyoshi |
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| description | <jats:p>Anti‐carcinoembryonic antigen monoclonal antibody (MAb) CEA102 was produced by immunization with purified CEA and the specific accumulation of radiolabeled CEA102 in colorectal cancers was investigated by autoradiography of surgical specimens using Fuji Computed Radiography (FCR). Five patients with colorectal cancer were injected intravenously with <jats:sup>131</jats:sup>I‐labeled intact CEA102 or its F(ab′)<jats:sub>2</jats:sub>. Primary tumor and liver metastases were successfully detected by external scanning with a gamma camera in 4 cases. Autoradiographic study of the surgical specimens using FCR showed predominant localization of <jats:sup>131</jats:sup>I‐labeled CEA102 in primary tumors and liver metastases in all cases. Even a small liver metastasis (0.5 cm) was clearly visualized in the autoradiogram by FCR. The pixel distribution curves of the density of the respective tissues in the autoradiograms by FCR showed the heterogeneity of the distribution of administered radiolabeled MAb in individual tumors, but the density of the tumors was higher than that of the normal tissues. In the quantitative distribution analysis of CEA102, the uptake of the primary tumor (mean 1.10%ID/kg) was ten‐fold greater than that of the normal colon mucosa (mean G.10%ID/kg). These results revealed that the application of MAb has great potential in radioimmunodetection as well as in antibody‐directed therapy.</jats:p> |
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| imprint | Wiley, 1992 |
| imprint_str_mv | Wiley, 1992 |
| institution | DE-Zi4, DE-Gla1, DE-15, DE-Pl11, DE-Rs1, DE-14, DE-105, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161 |
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| physical | 379-386 |
| publishDate | 1992 |
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| spelling | Satoh, Tsuyoshi Watanabe, Tadashi Tadokoro, Masanori Sakamoto, Junichi Murayama, Hiroki Itoh, Katsuki Sakuma, Sadayuki Takagi, Hiroshi 0910-5050 Wiley Cancer Research Oncology http://dx.doi.org/10.1111/j.1349-7006.1992.tb00118.x <jats:p>Anti‐carcinoembryonic antigen monoclonal antibody (MAb) CEA102 was produced by immunization with purified CEA and the specific accumulation of radiolabeled CEA102 in colorectal cancers was investigated by autoradiography of surgical specimens using Fuji Computed Radiography (FCR). Five patients with colorectal cancer were injected intravenously with <jats:sup>131</jats:sup>I‐labeled intact CEA102 or its F(ab′)<jats:sub>2</jats:sub>. Primary tumor and liver metastases were successfully detected by external scanning with a gamma camera in 4 cases. Autoradiographic study of the surgical specimens using FCR showed predominant localization of <jats:sup>131</jats:sup>I‐labeled CEA102 in primary tumors and liver metastases in all cases. Even a small liver metastasis (0.5 cm) was clearly visualized in the autoradiogram by FCR. The pixel distribution curves of the density of the respective tissues in the autoradiograms by FCR showed the heterogeneity of the distribution of administered radiolabeled MAb in individual tumors, but the density of the tumors was higher than that of the normal tissues. In the quantitative distribution analysis of CEA102, the uptake of the primary tumor (mean 1.10%ID/kg) was ten‐fold greater than that of the normal colon mucosa (mean G.10%ID/kg). These results revealed that the application of MAb has great potential in radioimmunodetection as well as in antibody‐directed therapy.</jats:p> Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography Japanese Journal of Cancer Research |
| spellingShingle | Satoh, Tsuyoshi, Watanabe, Tadashi, Tadokoro, Masanori, Sakamoto, Junichi, Murayama, Hiroki, Itoh, Katsuki, Sakuma, Sadayuki, Takagi, Hiroshi, Japanese Journal of Cancer Research, Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography, Cancer Research, Oncology |
| title | Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography |
| title_full | Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography |
| title_fullStr | Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography |
| title_full_unstemmed | Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography |
| title_short | Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography |
| title_sort | autoradiographic analysis of radiolabeled anti‐carcinoembryonic antigen monoclonal antibody cea102 in colorectal cancer using computed radiography |
| title_unstemmed | Autoradiographic Analysis of Radiolabeled Anti‐carcinoembryonic Antigen Monoclonal Antibody CEA102 in Colorectal Cancer Using Computed Radiography |
| topic | Cancer Research, Oncology |
| url | http://dx.doi.org/10.1111/j.1349-7006.1992.tb00118.x |