What should be positive control for IHC and western blotting during experiments to prove whether an untested protein could be a biomarker for cancer?

26 December 2015 0 8K Report

I'm going to design a study to test whether an untested protein could be a biomarker for pacreatic cancer. I intend to do immunohistochemistry of the pancreatectomy tissue of the patients with pancreatic cancer, benign tumour and disease - free. I will also do Western blotting and ELISA. Could you please suggest me in terms of positive control selection for these tests?

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