Wyeth

G Roger Askew

Philip Babij

Peter Van Nest Bodine

Kim L Kanki

Frederick James Bex, Iii

A method for conditionally knocking out and altering gene function and genetic sequences that can be used in such methods, for use in gene trapping and gene targeting. Specifically, the genetic sequence is a inducible gene silencer comprising: (a) a splice acceptor sequence; (b) an internal ribosomal entry site (IRES) sequence; (c) a nucleotide sequence coding for a reporter protein; (d) a polyadenylation sequence; and (e) a pair of oppositely oriented recombination site sequences, which cause single cycle inversions in the presence of a suitable recombinase enzyme, flanking elements (a) through (d).

Conditional knockout method for gene trapping and gene targeting using an inducible gene silencer

The present invention relates to methods and materials used to express the HBM protein in animal cells and transgenic animals. The present invention also relates to transgenic animals expressing the high bone mass gene, the corresponding wild-type gene, and mutants thereof. The invention provides nucleic acids, including coding sequences, oligonucleotide primers and probes, proteins, cloning vectors, expression vectors, transformed hosts, methods of developing pharmaceutical compositions, methods of identifying molecules involved in bone development, and methods of diagnosing and treating diseases involved in bone development. In preferred embodiments, the present invention is directed to methods for treating, diagnosing and preventing osteoporosis.

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Boxford, MA, United States of America

G Roger Askew