Two gene fusions were in-frame: MPP5-FAM71D in PC346C and ARHGEF3-C8ORF38 in G089.     ///    Downregulation of FAM71D and MPP5-FAM71D transcripts in PC346C cells decreased proliferation.     ///    The unique in-frame MPP5-FAM71D fusion product is important for proliferation of PC346C cells.. 