Table 1. List of proteins identified by LC MS/MS in CD105+ cells that participate in specific canonical pathways as determined by IPA analysis.

Axonal Guidance Signaling	ABLIM3; ADAM29; AKT1; AKT2; CDK5; CRK; EPHB6; GLI2PAK1; GNA12; GNAL; GNAO1; GNAT2; MYL6B; NGEF; NRP1; SRGAP1; PAK2; PRKCA; PRKACB; PRKAR1A; PRKAR2A; PLXNA1; RAC3; RGS3; ROBO1; ROCK1; RRAS2; TUBA1C; TUBA4A
DNA Methylation and Transcriptional Repression Signaling	CHD3; CHD4; MTA1; RBBP7; MTA2; ARID4B
Amyloid Processing	AKT1; AKT2; CAPN6; CDK5; CSNK2A2; CSNK2B; PRKACB; PRKAR2A; PRKAR1A
Molecular Mechanisms of Cancer	AKT1; AKT2; ARHGEF1; CASP6; CDK2; CDK4; CDK6; CRK; DAXX; FOS; GNA12; GNAO1; GNAL; GNAT2; PAK1; PAK2; PRKACB; PRKAR1A; PRKAR2A; PRKCA; RAC3 RAPGEF1; RASGRF2; RHOC; RHOG; RRAS2

Proteins detected only in CD105+ cell extracts were analyzed by IPA software to determine their potential role in canonical signalling pathways. Proteins identified to participate in the top four canonical pathways are listed in alphabetical order.