Table 1: List of primers used for RT-PCR.
| Gene | Forward Primer Sequence (5'-3') | Reverse Primer Sequence (5'-3') | bp |
| MICA | CAGGGACTTGACAGGGAAC | CCTCTCCTCGGCAAATCCT | 758 |
| MICB | ACCGAGGACTTGACAGAGA | CCGCTGATGTTTTCTTCT | 553 |
| ULBP-1 | TCTGTGCCTCCCGCTTCTG | GCCTTGGGTTGGGTTGTGC | 636 |
| ULBP-2 | GCAACAAGACAGTCACACC | AGCAGGGGAGGATGATGAG | 522 |