Generation of Cthrc1 null mice.

(A) Cthrc1 gene targeting schematic showing replacement of exons 2–4 with a PGK-neo cassette. (B) Embryonic stem cell targeting with Southern blot analysis of genomic DNA from ES cell clones shows a targeted clone. (C) RT-PCR shows lack of Cthrc1 transcripts in RNA preparations of skull bone and whole brain of adult Cthrc1 mutants.




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