The purpose of the present review is to describe the place of endogenous ki
nins, mainly bradykinin (BK) and des-Arg(9)-BK in the kallikrein-kininogen-
kinin system, to review and compare the different analytical methods report
ed for the assessment of endogenous kinins, to explain the difficulties and
the pitfalls for their quantifications in biologic samples and finally to
see how the results obtained by these methods could complement and extend t
he pharmacological evidence of their pathophysiological role. (C) 2000 Else
vier Science Inc. All rights reserved.