Table 1. Sequence of PCR primers used in the study.

Gene	Forward primer (5′-3′)	Reverse primer (5′-3′)
Oct4	AGTGAGAGGCAACCTGGAGA	ACACTCGGACCACATCCTTC
Sox2	CAAGATGCACAACTCGGAGA	GCTTAGCCTCGTCGATGAAC
KLF4	CCCACACAGGTGAGAAACCT	ATGTGTAAGGCGAGGTGGTC
Notch-1	TCCACCAGTTTGAATGGTCA	CGCAGAGGGTTGTATTGGTT
C-myc	ATGGCCCATTACAAAGCCG	TTTCTGGAGTAGCAGCTCCTAA
IL-6	CCCCTCAGCAATGTTGTTTGT	CTCCGGGACTGCTAACTGG
BMI-1	CCACCTGATGTGTGTGCTTTG	TTCAGTAGTGGTCTGGTCTTGT
18S	CGGCTACCACATCCAAGGAA	GCTGGAATTACCGCGGCT
URI	AATGCCCTTCGAGAAAGACTCA	CCCCCAGTAAAACAGTGACTTC