Correlation between expression of human telomerase subunits and telomerase activity in esophageal squamous cell carcinoma

Table 1 Relationship between differentiation degree and telomerase activity in 60 cases of ESCC

Tumor stage	Sample (n)	Positive (n)	Positive rate (%)	P value
I	15	9	60
II	33	30	90.9	P < 0.05
III	12	11	91.6

Table 2 Relationship between telomerase activity and lymphatic metastasis

Sample (n)	Lymphatic metastasis	Telomerase activity		P value
		+	-
41	+	37	4	P < 0.05
19	-	12	7

Table 3 Intensity of hTERT and hTP-1 mRNA expression in esophageal carcinoma tissues

Tumor stage	hTERT						P value	hTP-1					P value
	n	-	+	++	+++	Positive rate (%)		-	+	++	+++	Positive rate (%)
I	15	7	4	3	1	53.3		7	5	3	0	53.3
II	33	6	7	11	9	81.8	P > 0.05	8	6	12	7	75.8	P > 0.05
III	12	2	2	4	4	83.3		2	2	5	3	83.3

Table 4 Relationship between hTERT, hTP-1 expression and telomerase activity

Telomerase activity	hTERT		P value	TP-1		P value
	+	-		+	-
+	41	9	P < 0.05	38	12	P > 0.05
-	4	6		5	5