. 2007 May 29;8:18. doi: 10.1186/1471-2121-8-18

Table 1.

Percentage of CpG methylation in the LEP, PPARG2, FABP4 and LPL promoters in undifferentiated and differentiated ASC clones at passage 4 (P4) and at senescence (Ps)

		Percent methylated cytosines in promoter region examined

Gene		LEP		PPARG2		FABP4		LPL
Passage No.		P4	Ps	P4	Ps	P4	Ps	P4	Ps

Undifferentiated
ASC clone	B1	9	17^a	10	20^c	15	45^a	20	8^a
	B2	7	14^a	15	18^ns	30	25^ns	27	26^ns
	B3	24	24^ns	29	23^ns	50	75^a	19	19^ns

Differentiated
ASC clone	B1	13	13^ns	5	33^a	12	13^ns	17	11^ns
	B2	4	17^a	17	25^c	22	25^ns	29	24^ns
	B3	22	38^a	17	22^ns	50	70^b	18	14^ns

Chi-square tests: ^aP < 0.001; ^bP < 0.005; ^cP < 0.05; ^nsnon-significant.