TY - JOUR
T1 - Clinical evaluation of serum tumor-associated glycoprotein-72 as a novel tumor marker for colorectal cancer patients
AU - Guadagni, F.
AU - Roselli, M.
AU - Amato, T.
AU - Cosimelli, M.
AU - Mannella, E.
AU - Tedesco, M.
AU - Grassi, A.
AU - Casale, V.
AU - Cavaliere, F.
AU - Greiner, J. W.
AU - Schlom, J.
PY - 1991
Y1 - 1991
N2 - A novel tumor marker, tumor-associated glycoprotein-72 (TAG-72), has been identified using monoclonal antibody (MAb) B72.3. Using immunohistochemical techniques, TAG-72 has been found in carcinomas of various origin including colon, stomach, breast, lung, prostate, and ovary, as well as in body fluids. The presence of TAG-72 in serum samples from 260 patients with colorectal disease (malignant or benign) has been evaluated using the CA72-4 assay. Approximately 40% of patients with colorectal cancer exhibit elevated levels of this marker; moreover, the presence of positive levels of TAG-72 significantly correlates with advanced stages of disease, suggesting that TAG-72 may be a good marker of advanced colorectal cancer. Only 2% of the patients diagnosed with colorectal disease had elevated TAG-72 serum levels indicating the high specificity of this marker. A comparative study with carcinoembryonic antigen (CEA) serum levels showed a complementarity of the two tumor markers; in fact, 49.6% of CEA negative cases scored positive for TAG-72. A longitudinal evaluation of TAG-72 serum levels in 31 patients with malignant disease was performed. The results indicate that patients with increasing TAG-72 serum levels postoperatively may be indicative of recurrent disease. In 60% of patients in which significant changes of CEA levels could not be detected, TAG-72 showed rising positive levels prior to clinical evidence of recurrent disease. These results suggest that the simultaneous use of TAG-72 and CEA serum markers may be useful in the diagnosis of recurrent disease and therefore play an important role in the clinical management of cancer patients.
AB - A novel tumor marker, tumor-associated glycoprotein-72 (TAG-72), has been identified using monoclonal antibody (MAb) B72.3. Using immunohistochemical techniques, TAG-72 has been found in carcinomas of various origin including colon, stomach, breast, lung, prostate, and ovary, as well as in body fluids. The presence of TAG-72 in serum samples from 260 patients with colorectal disease (malignant or benign) has been evaluated using the CA72-4 assay. Approximately 40% of patients with colorectal cancer exhibit elevated levels of this marker; moreover, the presence of positive levels of TAG-72 significantly correlates with advanced stages of disease, suggesting that TAG-72 may be a good marker of advanced colorectal cancer. Only 2% of the patients diagnosed with colorectal disease had elevated TAG-72 serum levels indicating the high specificity of this marker. A comparative study with carcinoembryonic antigen (CEA) serum levels showed a complementarity of the two tumor markers; in fact, 49.6% of CEA negative cases scored positive for TAG-72. A longitudinal evaluation of TAG-72 serum levels in 31 patients with malignant disease was performed. The results indicate that patients with increasing TAG-72 serum levels postoperatively may be indicative of recurrent disease. In 60% of patients in which significant changes of CEA levels could not be detected, TAG-72 showed rising positive levels prior to clinical evidence of recurrent disease. These results suggest that the simultaneous use of TAG-72 and CEA serum markers may be useful in the diagnosis of recurrent disease and therefore play an important role in the clinical management of cancer patients.
KW - CA72-4 assay
KW - colorectal cancer
KW - monoclonal antibodies
KW - tumor marker
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U2 - 10.1002/jso.2930480506
DO - 10.1002/jso.2930480506
M3 - Article
VL - 48
SP - 16
EP - 20
JO - Journal of Surgical Oncology
JF - Journal of Surgical Oncology
SN - 0022-4790
IS - SUPPL. 2
ER -