Screening assays for agonists and antagonists of receptor...

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving luciferase

Reexamination Certificate

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C435S007100, C435S007200, C530S350000, C536S023500

Reexamination Certificate

active

06884598

ABSTRACT:
The present invention provides methods for screening for a molecule that antagonizes or agonizes RANK activity. One aspect of the invention involves the growth of RANK responsive cells in semi-solid medium, wherein exposure to a RANK antagonist promotes colony formation. Other aspects of the invention rely on promoter/reporter constructs using RANK responsive promoters derived from the MMP-9 and TRAP genes. Additional aspects of the invention exploit the ability of RANK to activate c-src activity, F-actin ring formation and CaPO4resorption.

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