Abstract: Methods for inhibiting carcinogenesis and/or metastasis in an individual comprise administering to the individual an effective amount of endogenous c-met ligand or fragment thereof such as endogenous anti c-met immunoglobulin, native and/or recombinant; endogenous biological active Hepatocyte Growth Factor (HGF), native and/or recombinant, and/or a combination thereof.

Abstract: A method for diagnosing an inflammatory disorder in an individual comprises contacting a body fluid sample from the individual with an immunoassay device to determine relative levels of different forms of hepatocyte growth factor (HGF) in the sample, and correlating the determined levels to an inflammatory disorder. An immunoassay device for diagnosing an inflammatory disorder in an individual comprises at least two test areas having immobilized respectively therein reagent for binding different forms of hepatocyte growth factor (HGF).