Abstract
Purpose: The study was designed to determine whether in vivo Interferon gamma (IFN-γ) administration could enhance tumor antigen expression on the surface of human tumor cells. Materials and Methods: Eight patients (six with ovarian and two with gastrointestinal tumors) with a diagnosis of adenocarcinoma with secondary malignant ascites were given weekly escalating doses of IFN-γ (ie, 0.1 to 100 MU) intraperitoneally (IP) each week for 8 weeks. Tumor cells were isolated from the patients' ascites samples, which were collected three times per week: before and 24 and 48 hours post-IFN-γ administration. The level of expression of tumor-associated glycoprotein-72 (TAG-72) and carcinoembryonic antigen (CEA) was measured using flow cytometry and immunocytochemistry. Results: IFN-γ administered IP dramatically increased TAG-72 (as measured by binding of anti-TAG-72 monoclonal antibodies [MoAbs] B72.3 and CC 49) and CEA (measured by MoAb COL-1) expression on the surface of the carcinoma cells. The ascites-derived tumor cells from seven of the eight patients constitutively expressed TAG-72, and the level of TAG-72 expression was increased by IFN-γ in all seven patients, as evidenced by the enhanced binding of anti-TAG-72 MoAbs to the tumor-cell surface. In some cases, IFN-γ treatment increased the percentage of MoAb B72.3-reactive tumor cells from 10% to greater than 90%, and those changes were further corroborated by similar increases in the MoAb staining intensity observed with immunoperoxidase analysis. In addition, ascltes-derived tumor cells from two patients with gastrointestinal carcinoma also expressed enhanced CEA levels after IFN-γ. The increased TAG-72 and CEA expression were observed at low IFN-γ doses (ie, 0.1 to 1.0 MU), which were well tolerated by all patients. Conclusions: The ability of IFN-γ given IP to increase TAG-72 and CEA expression on tumor cells in vivo provides additional argument for the use of the cytokine as an adjuvant to enhance MoAb binding to human carcinoma-cell populations.
| Original language | English |
|---|---|
| Pages (from-to) | 735-746 |
| Number of pages | 12 |
| Journal | Journal of Clinical Oncology |
| Volume | 10 |
| Issue number | 5 |
| Publication status | Published - 1992 |
Fingerprint
ASJC Scopus subject areas
- Cancer Research
- Oncology
Cite this
Intraperitoneal administration of interferon-gamma to carcinoma patients enhances expression of tumor-associated glycoprotein-72 and carcinoembryonic antigen on malignant ascites cells. / Greiner, John W.; Guadagni, Fiorella; Goldstein, David; Smalley, Richard V.; Borden, Ernest C.; Simpson, Jean F.; Molinolo, Alfredo; Schlom, Jeffrey.
In: Journal of Clinical Oncology, Vol. 10, No. 5, 1992, p. 735-746.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Intraperitoneal administration of interferon-gamma to carcinoma patients enhances expression of tumor-associated glycoprotein-72 and carcinoembryonic antigen on malignant ascites cells
AU - Greiner, John W.
AU - Guadagni, Fiorella
AU - Goldstein, David
AU - Smalley, Richard V.
AU - Borden, Ernest C.
AU - Simpson, Jean F.
AU - Molinolo, Alfredo
AU - Schlom, Jeffrey
PY - 1992
Y1 - 1992
N2 - Purpose: The study was designed to determine whether in vivo Interferon gamma (IFN-γ) administration could enhance tumor antigen expression on the surface of human tumor cells. Materials and Methods: Eight patients (six with ovarian and two with gastrointestinal tumors) with a diagnosis of adenocarcinoma with secondary malignant ascites were given weekly escalating doses of IFN-γ (ie, 0.1 to 100 MU) intraperitoneally (IP) each week for 8 weeks. Tumor cells were isolated from the patients' ascites samples, which were collected three times per week: before and 24 and 48 hours post-IFN-γ administration. The level of expression of tumor-associated glycoprotein-72 (TAG-72) and carcinoembryonic antigen (CEA) was measured using flow cytometry and immunocytochemistry. Results: IFN-γ administered IP dramatically increased TAG-72 (as measured by binding of anti-TAG-72 monoclonal antibodies [MoAbs] B72.3 and CC 49) and CEA (measured by MoAb COL-1) expression on the surface of the carcinoma cells. The ascites-derived tumor cells from seven of the eight patients constitutively expressed TAG-72, and the level of TAG-72 expression was increased by IFN-γ in all seven patients, as evidenced by the enhanced binding of anti-TAG-72 MoAbs to the tumor-cell surface. In some cases, IFN-γ treatment increased the percentage of MoAb B72.3-reactive tumor cells from 10% to greater than 90%, and those changes were further corroborated by similar increases in the MoAb staining intensity observed with immunoperoxidase analysis. In addition, ascltes-derived tumor cells from two patients with gastrointestinal carcinoma also expressed enhanced CEA levels after IFN-γ. The increased TAG-72 and CEA expression were observed at low IFN-γ doses (ie, 0.1 to 1.0 MU), which were well tolerated by all patients. Conclusions: The ability of IFN-γ given IP to increase TAG-72 and CEA expression on tumor cells in vivo provides additional argument for the use of the cytokine as an adjuvant to enhance MoAb binding to human carcinoma-cell populations.
AB - Purpose: The study was designed to determine whether in vivo Interferon gamma (IFN-γ) administration could enhance tumor antigen expression on the surface of human tumor cells. Materials and Methods: Eight patients (six with ovarian and two with gastrointestinal tumors) with a diagnosis of adenocarcinoma with secondary malignant ascites were given weekly escalating doses of IFN-γ (ie, 0.1 to 100 MU) intraperitoneally (IP) each week for 8 weeks. Tumor cells were isolated from the patients' ascites samples, which were collected three times per week: before and 24 and 48 hours post-IFN-γ administration. The level of expression of tumor-associated glycoprotein-72 (TAG-72) and carcinoembryonic antigen (CEA) was measured using flow cytometry and immunocytochemistry. Results: IFN-γ administered IP dramatically increased TAG-72 (as measured by binding of anti-TAG-72 monoclonal antibodies [MoAbs] B72.3 and CC 49) and CEA (measured by MoAb COL-1) expression on the surface of the carcinoma cells. The ascites-derived tumor cells from seven of the eight patients constitutively expressed TAG-72, and the level of TAG-72 expression was increased by IFN-γ in all seven patients, as evidenced by the enhanced binding of anti-TAG-72 MoAbs to the tumor-cell surface. In some cases, IFN-γ treatment increased the percentage of MoAb B72.3-reactive tumor cells from 10% to greater than 90%, and those changes were further corroborated by similar increases in the MoAb staining intensity observed with immunoperoxidase analysis. In addition, ascltes-derived tumor cells from two patients with gastrointestinal carcinoma also expressed enhanced CEA levels after IFN-γ. The increased TAG-72 and CEA expression were observed at low IFN-γ doses (ie, 0.1 to 1.0 MU), which were well tolerated by all patients. Conclusions: The ability of IFN-γ given IP to increase TAG-72 and CEA expression on tumor cells in vivo provides additional argument for the use of the cytokine as an adjuvant to enhance MoAb binding to human carcinoma-cell populations.
UR - http://www.scopus.com/inward/record.url?scp=0026751575&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0026751575&partnerID=8YFLogxK
M3 - Article
C2 - 1569446
AN - SCOPUS:0026751575
VL - 10
SP - 735
EP - 746
JO - Journal of Clinical Oncology
JF - Journal of Clinical Oncology
SN - 0732-183X
IS - 5
ER -