Serum CA 19.9 Levels in Patients With Benign and Malignant Disease: Correlation With the Serum Protein Electrophoretic Pattern. 2019

Simon Gundín-Menéndez, and Victor Molina Santos, and Marina Parra-Robert, and Xavier Filella Pla, and Josep M Auge Fradera, and Rafael Molina Porto
Laboratory of Biochemistry, Marqués de Valdecilla University Hospital, Santander, Spain.

OBJECTIVE To confirm that the carbohydrate antigen 19.9 (CA 19.9) protein can be evaluated by determining changes in the β2 zone in protein electrophoresis. METHODS A total of 75 patients (64 with cancer, 11 with benign diseases) with abnormal serum CA 19.9 level were included. RESULTS Patients with cancer had significantly higher serum CA 19.9 concentrations than those with benign diseases (p<0.001). Similar CA 19.9 levels were observed in patients with normal (median 1129 U/ml), weakly positive (median 699 U/ml) and positive (2333 U/ml) β2 fraction in protein electrophoresis. In contrast, changes in the protein pattern of the β2 fraction were related to an inflammatory pattern with significantly higher C-reactive protein concentration (p<0.0001), independently of serum CA 19.9 level. CONCLUSIONS The intensity of the β2 fraction in protein electrophoresis is related to inflammation and not to CA 19.9 in patients with cancer or other diseases.

UI MeSH Term Description Entries
D007249 Inflammation A pathological process characterized by injury or destruction of tissues caused by a variety of cytologic and chemical reactions. It is usually manifested by typical signs of pain, heat, redness, swelling, and loss of function. Innate Inflammatory Response,Inflammations,Inflammatory Response, Innate,Innate Inflammatory Responses
D007983 Lewis Blood Group Antigens Carbohydrate antigens structurally related to the ABH BLOOD-GROUP SYSTEM. They may occur as a modification of saccharide chains on glycolipids or glycoproteins on cell surfaces or in plasma, or as free oligosaccharides in secretions. Lewis antigens are not synthesized in blood cells. Instead Lewis glycolipids present in plasma are absorbed onto the surface of ERYTHROCYTES; LYMPHOCYTES; and PLATELETS. The phenotypes Le(a) and Le(b) are the result of the actions of two genes the Le gene (fucosyltransferase FUT3) and the Se gene (fucosyltransferase FUT2) on the precursor carbohydrate, glycolipid or glycoprotein. Other FUCOSYLTRANSFERASES can also synthesize the Lewis antigens. Blood Group Lewis Related Antigens,Lewis Antigen Related Tumor-Associated Antigens,Lewis Antigens,Lewis Blood Group Related Antigens,Lewis Blood Group Related Tumor-Associated Antigens,Lewis Blood-Group System,Lewis Related Antigens,Lewis System,Sialyl Lewis Antigens,Le Antigens,Le(a) Blood Group System,Antigens, Lewis,Antigens, Lewis Related,Antigens, Sialyl Lewis,Blood-Group System, Lewis,Lewis Antigen Related Tumor Associated Antigens,Lewis Blood Group Related Tumor Associated Antigens,Lewis Blood Group System
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009369 Neoplasms New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms. Benign Neoplasm,Cancer,Malignant Neoplasm,Tumor,Tumors,Benign Neoplasms,Malignancy,Malignant Neoplasms,Neoplasia,Neoplasm,Neoplasms, Benign,Cancers,Malignancies,Neoplasias,Neoplasm, Benign,Neoplasm, Malignant,Neoplasms, Malignant
D010641 Phenotype The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment. Phenotypes
D002097 C-Reactive Protein A plasma protein that circulates in increased amounts during inflammation and after tissue damage. C-Reactive Protein measured by more sensitive methods often for coronary heart disease risk assessment is referred to as High Sensitivity C-Reactive Protein (hs-CRP). High Sensitivity C-Reactive Protein,hs-CRP,hsCRP,C Reactive Protein,High Sensitivity C Reactive Protein
D004586 Electrophoresis An electrochemical process in which macromolecules or colloidal particles with a net electric charge migrate in a solution under the influence of an electric current. Electrophoreses
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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