Prognostic value of expression of sialosyl-Tn antigen in colorectal carcinoma and transitional mucosa.
We examined the immunohistochemical expression of sialosyl-Tn antigen in the colorectal cancer tissues of 116 patients who underwent curative resection to determine the association between patient prognosis and the expression of sialosyl-Tn in two different tissues: carcinoma and transitional mucosa. Negative or positive expression of sialosyl-Tn in the carcinoma and transitional mucosal tissues were denoted as CA- or CA+ and TM- or TM+, respectively. Patients were classified into one of four groups: CA-/TM-, CA-/TM+, CA+/TM-, and CA+/TM+. CA-/TM- was observed in 13 patients and CA-/TM+, CA+/TM-, or CA+/TM+ was observed in 103 patients. The difference in five-year survival between the CA-/TM- group and all the other groups was statistically significant (P = 0.0457), and multivariate analysis showed that sialosyl-Tn expression in at least one of the two tissues was an independent prognostic factor. We conclude that the evaluation of sialosyl-Tn expression in carcinoma as well as transitional mucosa is useful for predicting survival in colorectal cancer patients.
Nakagoe
Tohru
T
First Department of Surgery, Nagasaki University School of Medicine, Japan.
Sawai
Terumitsu
T
Tuji
Takashi
T
Jibiki
Masaaki
M
Nanashima
Atushi
A
Yamaguchi
Hiroyuki
H
Yasutake
Toru
T
Ayabe
Hiroyoshi
H
Matuo
Tatuki
T
Tagawa
Yutaka
Y
D000230:Adenocarcinoma / Q000175:diagnosis* / Q000401:mortality; D015295:Antigens, Tumor-Associated, Carbohydrate / Q000378:metabolism*; D014408:Biomarkers, Tumor / Q000378:metabolism*; D016022:Case-Control Studies; D015179:Colorectal Neoplasms / Q000175:diagnosis* / Q000401:mortality; D005260:Female; D006801:Humans; D007124:Immunoenzyme Techniques; D007413:Intestinal Mucosa / Q000378:metabolism; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D015996:Survival Rate; D013997:Time Factors
D015295:Antigens, Tumor-Associated, Carbohydrate; D014408:Biomarkers, Tumor; C055491:sialosyl-Tn antigen