The search of the prostate cancer marker based on blood carbohydrate chain structure and the establishment of the diagnostic method

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Postate-specific antigen (PSA) has been widely used for detection and diagnosis of prostate cancer. But a false-positive is high in the diagnosis of the prostate cancer when I use PSA. I compared glycosylation haptoglobin as a prostate cancer marker as alternated PSA. The sialylation and fucosylation of the haptoglobin significantly rose with prostate cancer serum .I showed the possibility of a diagnostic method used as tumor marker of the novel prostate cancer that haptoglobin was based on blood carbohydrate structure.