Identification of the collagen type 1 alpha 1 gene (COL1A1) as a candidate survival-related factor associated with hepatocellular carcinoma

Table 2 Results of triple-combination array of a 68-year-old woman’s (study patient) surgical samples a expression array analysis of COLIAI

a Expression array analysis of COL1A1
Probe set ID	Gene symbol	Log2 ratio	Noncancerous liver signal	Detection	Tumor signal	Detection	Probe ID	Chromosomal location
1556499_s_at	COL1A1	-1.1	2171.4	P	912.1	P	HU133p2_03053	chr17q21.33
202310_s_at	COL1A1	-1.1	493.4	P	193.2	P	HU133p2_11759	chr17q21.33
b Single-nucleotide polymorphism (SNP) signals of COL1A1 gene locus
Probe set ID	Chromosome	Physical position	Noncancerous liver		Confidence	Tumor		Confidence
SNP_A-2189880	17	13542410	AB		0.265625	AB		0.046875
SNP_A-420153	17	13542446	AA		0.000488	AA		0.028320
SNP_A-2200119	17	13548602	BB		0.007813	BB		0.007813
c Methylation array analysis of COL1A1
Probe ID	Gene symbol	Sample	Methylation value	Status			Confidence	Chromosomal location
Probe ID	Gene symbol	Sample	Methylation value	Total	Methylated	Unmethylated	Confidence	Chromosomal location
cg01593886	COL1A1	Noncancerous liver	0.084	11893	1010	10883	3.678E-38	chr17q21.33
		Tumor	0.557	7512	4240	3272	3.678E-38

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