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  • Title: Role of local and systemic factors in increasing serum glycoprotein markers of pancreatic cancer.
    Author: Fabris C, Basso D, Piccoli A, Meggiato T, Del Favero G, Fogar P, Panozzo MP, Faggian D, Vianello D, Plebani M.
    Journal: J Med; 1991; 22(3):145-56. PubMed ID: 1770322.
    Abstract:
    This study was performed in order to evaluate the role of various local and systemic alterations in influencing serum glycoproteic markers in patients with pancreatic cancer, and in healthy and diseased controls. Cancer antigen 19-9 (CA 19-9), carcinoembryonic antigen (CEA), and ferritin were determined in the sera of 23 control subjects, 30 patients with pancreatic cancer, 27 with chronic pancreatitis, and 27 with extra-pancreatic diseases mainly of gastrointestinal origin. A number of acute-phase proteins and indices of liver function and cholestasis were also assayed. The three antigens increased only in patients with pancreatic cancer. Higher CA 19-9 and CEA, but not ferritin, levels were found only in patients with hepatic metastases. Acute-phase proteins and synthetic functional indices were found to be higher and lower, respectively, in patients with pancreatic malignancy when compared with controls. Multiple regression analysis documented the dependence of circulating ferritin, but not of CA 19-9 and CEA, on the systemic indices. Canonical correlation showed a similar trend for CA 19-9 and CEA, which differed from that of ferritin. Ferritin was found to depend on the presence of systemic and hepatic alterations, especially of cholestasis. We can conclude that the variations of serum glycoprotein markers in patients with pancreatic cancer depend on various regional and systemic factors. CA 19-9 and CEA are related mainly to the extent of the neoplasia. The influence of a decreased liver function capacity associated or not to cholestasis and the interrelation with the acute-phase response may also be suggested. Ferritin, on the other hand, is related to a higher degree than CA 19-9 and CEA to hepatic dysfunction and also behaves similar to an acute-phase protein.
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