Are there tumor suppressor genes on chromosome 4p in sporadic colorectal carcinoma?

Table 1 LOH result and hereditary distance/location of chromosome 4p

Locus	Location	LOH cases	Normal cases	Informative rate	Distance (cm)	LOH rate(%)
D4S412	4p16.3	5	57	74.7	-	8.06
D4S2935	4p16.1	24	55	95.18	7.4	30.38
D4S1599	4p16.1	9	28	44.58	10.8	24.32
D4S403	4p15.33	3	34	44.58	5.1	8.1
D4S3013	4p15.2	26	47	86.9	7.7	35.62
D4S391	4p15.2	13	46	71.84	7.4	22.03
D4S405	4p14	22	30	62.65	13.4	42.3

Table 2 LOH result and hereditary distance/location of detailed deletion mapping spanning D4S3013

Locus	Location	LOH cases	Normal cases	Informative rate	Distance (cm)	LOH rate (%)
D4S2926	4p15.32	7	38	54.22	-	15.56
D4S1546	4p15.31	9	38	56.63	1.6	19.15
D4S3017	4p15.31	13	46	71.08	0.5	22.03
D4S3013	4p15.2	26	47	87.95	1.2	35.62
D4S2933	4p15.31	2	14	19.28	0.5	12.5
D4S2948	4p15.2	15	49	77.11	1.9	23.44
D4S1551	4p15.2	12	64	91.57	0.5	21.05