Role of tyrosine phosphorylation of a cellular protein in...

Drug – bio-affecting and body treating compositions – Immunoglobulin – antiserum – antibody – or antibody fragment,... – Structurally-modified antibody – immunoglobulin – or fragment...

Reexamination Certificate

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C424S093100, C424S093200, C424S093600, C424S130100, C424S134100, C424S141100, C424S152100, C435S005000, C435S006120, C435S007100, C435S455000, C435S456000, C435S457000, C435S325000, C435S366000, C435S320100, C514S002600, C514S04400A, C536S023100, C536S023500

Reexamination Certificate

active

07052692

ABSTRACT:
The present invention identifies a protein, designated the D-sequence-binding protein (D-BP), is phosphorylated at tyrosine residues and blocks AAV-mediated transgene expression in infected cells by inhibiting the leading strand viral DNA synthesis. More particularly, the present invention demonstrates that D-BP is phosphorylated by EGF-R protein tyrosine kinase. Methods of increasing transcription and promoting replication of transgenes exploiting this information are disclosed herein.

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