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Table 2 Summary of primer sequences, used for RT-PCR, nested-PCR and MSP

From: Simultaneous CXCL12 and ESR1 CpG island hypermethylation correlates with poor prognosis in sporadic breast cancer

Application and specificity

CpG status

Forward primer (5'-3')

Reverse primer (5'-3')

Product size (bp)

Annealing T (°C)

Ref.

RT-PCR

      

CXCL12

-

CAACGTCAAGCATCTCAA

AGCTGCAATATCATACCGTA

383

58

This work

GAPDH

-

CTGCACCACCAACTGCTT A

CATGACGGCAGGTCAGGTC

296

63

 

nested-PCR

      

CXCL12

-

GTAGTGAGGTTTAGTGAAG

CCATAAATACCACAATAACTTC

479

51, 53, 55

This work

CXCL12-nested

-

AGGTTTTTGTTGGGTTGG

CAAATCCTAAATCCAACTAC

338

53, 55, 57

 

SATR-1

-

GTTATATTATTTTTTGTTTTTTTG

ACATTTCCTTATAATATTATTCC

-

48, 50, 52

[21]

SATR-1 nested

-

TATAGTGGTGGTGTATATTTG

CACCTAACCTATAATATTTCTTC

690

52, 54, 56

 

MSP

      

CXCL12 - (2)

U

GAGTTTGAGAAGGTTAAAGGTTGG

CAAAAAATAAAAATACAACA

249

50

[7]

CXCL12 - (2)

M

GTTAAAGGTCGGAGCGTATTG

ACGAAAAATAAAAATACGACGAT

237

59.5

 

CXCL12 - (4)

U

GTCGTAGCGTTGGGGTT

AACGAAACTACGCGCGACT

200

57.8

This work

CXCL12 - (4)

M

GTTGTAGTGTTGGGGTTT

AAACAAACAAAACTACA

189

64

 

ESR1

M

ACGAGTTTAACGTCGCGGTC

ACCCCCCAAACCGTTAAAAC

140

57.6

[20]

  1. Abbreviations: M, specific for methylated condition; U, specific for unmethylated condition; (2), primers designed for CpG island 2; (4), primers designed for CpG island 4; ESR1, estrogen receptor gene.