| 摘要 |
Provided are novel cancer markers for the diagnosis of cancer in humans and non-human mammalian subjects, specifically a cancer marker comprising a negatively-charged molecule with a mass/charge (m/z) ratio of about 991. The cancer marker of the invention may be used to determine the presence of one or more cancerous cells or tumors in a biological sample by assaying the sample for a reduced level of said cancer marker.
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