Abstract：
:Although autoantibody detection has been proposed for diagnosis of colorectal cancer, little is known about their initial production and development correlation with cancer progression. Azoxymethane/dextran sodium sulfate (AOM/DSS)-treated mice developed colon adenocarcinoma in the distal colon similar to human sporadic colon cancer. We assessed this model together with AOM and DSS-only models for their applicability to early detection of cancer. All AOM/DSS-treated mice produced autoantibodies to tumor-associated antigens analogous to those observed in human colon cancer patients. Autoantibody response was related to tumor antigen overexpression. Cancer autoantibodies were detected 21 days after starting treatment, when no malignant histopathological features were detectable, and they increased according to tumor progression. When carcinogenesis was induced separately by AOM or DSS, only those mice that developed malignant lesions produced significant levels of autoantibodies. These findings demonstrate that autoantibody development is an early event in tumorigenesis and validates its use for preclinical colon cancer diagnosis.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Barderas R,Villar-Vázquez R,Fernández-Aceñero MJ,Babel I,Peláez-García A,Torres S,Casal JIdoi
10.1038/srep02938subject
Has Abstractpub_date
2013-10-15 00:00:00pages
2938issn
2045-2322pii
srep02938journal_volume
3pub_type
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