Table 3. Genes selected for qRT-PCR validation based on altered expression in microarray assay.

Probe set ID	Gene title	Genesymbol	Biological role	Fold change	N. patients
ILMN_1677314	Mucin 1, cell surface associated	MUC1	ECM-cell interaction, IL-7 signalling pathway	6.7	8/8
ILMN_1718285	Homeobox C8	HOXC8	System and cellular development, organ morphogenesis	38.2	3/8
ILMN_1810274	Homeobox B2	HOXB2	Embryonic and adult development, epithelial morphogenesis	−3.4	7/8
ILMN_1674908	Homeobox B5	HOXB5	Embryonic and adult development, epithelial morphogenesis	−4.1	7/8
ILMN_1743373	Delta-like 1 (Drosophila)	DLL1	Notch pathway, organ and cellular development, cell adhesion,cell differentiation	−3.4	5/8
ILMN_1691376	Jagged 1 (Alagille syndrome)	JAG1	Notch pathway, organ and cellular development, epithelialmorphogenesis, cell differentiation and proliferation	−2.2	6/8