Abstract:
BACKGROUND:The first step of colorectal carcinoma spread depends on the ability of the tumor cells to degrade and invade the extracellular matrix (ECM). The objectives of the current study were to evaluate the serum pattern of laminin, C-terminal peptide of Type I (PIP), and N-terminal peptide of Type III (PIIIP) procollagens, markers of ECM synthesis, in the follow-up of patients after resection for colorectal carcinoma and to evaluate their role in predicting local recurrence or metastases. METHODS:A total of 32 patients who had undergone resection for colorectal carcinoma were followed for a median period of 24 months (range, 6-36 months). Every 3 months, laminin, PIP, and PIIIP were measured in the sera together with the tumor markers carcinoembryonic antigen (CEA), CA 19-9, and tissue plasminogen activator (TPA). Twenty-one patients (Group 1) had no signs of recurrence, whereas the remaining 11 (Group 2) developed hepatic (n = 7) or pulmonary (n = 4) metastases. RESULTS:No variations were observed in either group for laminin, CEA, CA 19-9, or TPA, whereas significant increases in PIP and PIIIP were observed in both groups 3 months after surgery. The increase in PIP and PIIIP at the 3-month follow-up was significantly greater in Group 1 than in Group 2. The difference between values at 3 months and basal values enabled a discrimination between Group 1 and Group 2, with a sensitivity of 36% and 91% and a specificity of 71% and 71% for PIP and PIIIP, respectively. CONCLUSIONS:The authors believe PIIIP is useful as an early prognostic indicator of recurrence in the follow-up of patients who have undergone radical resection for colorectal carcinoma.
journal_name
Cancerjournal_title
Cancerauthors
Plebani M,Basso D,Roveroni G,De Paoli M,Galeotti F,Corsini Adoi
10.1002/(sici)1097-0142(19970401)79:7<1299::aid-cnsubject
Has Abstractpub_date
1997-04-01 00:00:00pages
1299-303issue
7eissn
0008-543Xissn
1097-0142pii
10.1002/(SICI)1097-0142(19970401)79:7<1299::AID-CNjournal_volume
79pub_type
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