PTF1A (Pancreas Transcription Factor 1 Subunit alpha, Pancreas-specific Transcription Factor 1a, Class A Basic Helix-loop-helix Protein 29, bHLHa29, bHLH Transcription Factor p48, p48 DNA-binding Subunit of Transcription Factor, PTF1, PTF1P48, PTF1-p48) (APC)