Analysis of all expressed proteins in a biological system.

Proteome refers to the entirety of proteins in existence in a tumor.

Uses mass spectroscopy to analyze proteins and their modified forms.

Uses fresh frozen tissue and LASER assisted desorption to analyze spectrographically proteins by mass and charge ratio from location within the tissue specimen.

Can analyze plasma and serum specimens and compare protein expression profiles.

Estimated one and a half million proteins in the human body.

Helps identify protein peak patterns in determining prognosis in 2242

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