Primers and Conditions for All Amplification Reactions Described in This Study
Locus/Amplimer . | S/T . | 1°/2° . | M/U . | Forward Primer . | Reverse Primer . | N . | °C . | P . |
---|---|---|---|---|---|---|---|---|
ABL1island | S | — | — | acttctaaaataaaataaaacaaa | ttttttttggatttgtagtttatt | 3 | 50 | D |
ABL1-I MSP | S | — | M | cgcgtttcggttaggcggagacgcggtcgc | aaacaaccccttcttaaatttacaa | 3 | 58 | A |
ABL1-I MSP | S | — | U | tgtgttttggttaggtggagatgtggttgt | aaacaaccccttcttaaatttacaa | 3 | 58 | A |
MSH2-I MSP | S | — | M | cgtcgtggtcggacgtcgttc | cactaaaaaaactactcac | 2 | 48 | A |
MSH2-I MSP | S | — | U | tgttgtggttggatgttgttt | cactaaaaaaactactcac | 2 | 48 | A |
MSH2-II MSP | S | — | M | aggacgcgttgttggtcgttc | cactaaaaaaactactcac | 2 | 48 | A |
MSH2-II MSP | S | — | U | aggatgtgttgttggttgttt | cactaaaaaaactactcac | 2 | 48 | A |
MSH6-I MSP | S | — | M | ttcgcgcggggtttaggcgtc | aaccttattaacatcactcaa | 3 | 49.5 | A |
MSH6-I MSP | S | — | U | tttgtgtggggtttaggtgtt | aaccttattaacatcactcaa | 3 | 49.5 | A |
MSH6-II MSP | S | — | M | cgcgtatcgttcgcgtacggc | aaccttattaacatcactcaa | 3 | 49.5 | A |
MSH6-II MSP | S | — | U | tgtgtattgtttgtgtatggt | aaccttattaacatcactcaa | 3 | 49.5 | A |
MLH1 island | T | 1° | — | tttatgtattggtatataaagttt | ttctcaactctataaattactaaa | 2 | 50 | B |
MLH1-I MSP | T | 2° | M | acgtagacgttttattagggtcgc | ttctcaactctataaattactaaa | 2 | 50 | C |
MLH1-I MSP | T | 2° | U | atgtagatgttttattagggttgt | ttctcaactctataaattactaaa | 2 | 50 | C |
ATM island | T | 1° | — | taagatttaggttaaagtaaatat | atctaaaaaaaaaacaaactaaa | 2 | 50 | B |
ATM-I MSP | T | 2° | M | gtggcggtattgaattcgc | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
ATM-I MSP | T | 2° | U | gtggtggtattgaatttgt | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
ATM-II MSP | T | 2° | M | cgattcgtaaacgttaagtc | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
ATM-II MSP | T | 2° | U | tgatttgtaaatgttaagtt | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
ATM-III MSP | T | 2° | M | cgttttcgttcgttttcggaattgtc | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
ATM-III MSP | T | 2° | U | tgtttttgtttgtttttggaattgtt | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
ATM-IV MSP | T | 2° | M | cgggatttgcgttgtaattatcgtcgc | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
ATM-IV MSP | T | 2° | U | tgggatttgtgttgtaattattgttgt | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
Locus/Amplimer . | S/T . | 1°/2° . | M/U . | Forward Primer . | Reverse Primer . | N . | °C . | P . |
---|---|---|---|---|---|---|---|---|
ABL1island | S | — | — | acttctaaaataaaataaaacaaa | ttttttttggatttgtagtttatt | 3 | 50 | D |
ABL1-I MSP | S | — | M | cgcgtttcggttaggcggagacgcggtcgc | aaacaaccccttcttaaatttacaa | 3 | 58 | A |
ABL1-I MSP | S | — | U | tgtgttttggttaggtggagatgtggttgt | aaacaaccccttcttaaatttacaa | 3 | 58 | A |
MSH2-I MSP | S | — | M | cgtcgtggtcggacgtcgttc | cactaaaaaaactactcac | 2 | 48 | A |
MSH2-I MSP | S | — | U | tgttgtggttggatgttgttt | cactaaaaaaactactcac | 2 | 48 | A |
MSH2-II MSP | S | — | M | aggacgcgttgttggtcgttc | cactaaaaaaactactcac | 2 | 48 | A |
MSH2-II MSP | S | — | U | aggatgtgttgttggttgttt | cactaaaaaaactactcac | 2 | 48 | A |
MSH6-I MSP | S | — | M | ttcgcgcggggtttaggcgtc | aaccttattaacatcactcaa | 3 | 49.5 | A |
MSH6-I MSP | S | — | U | tttgtgtggggtttaggtgtt | aaccttattaacatcactcaa | 3 | 49.5 | A |
MSH6-II MSP | S | — | M | cgcgtatcgttcgcgtacggc | aaccttattaacatcactcaa | 3 | 49.5 | A |
MSH6-II MSP | S | — | U | tgtgtattgtttgtgtatggt | aaccttattaacatcactcaa | 3 | 49.5 | A |
MLH1 island | T | 1° | — | tttatgtattggtatataaagttt | ttctcaactctataaattactaaa | 2 | 50 | B |
MLH1-I MSP | T | 2° | M | acgtagacgttttattagggtcgc | ttctcaactctataaattactaaa | 2 | 50 | C |
MLH1-I MSP | T | 2° | U | atgtagatgttttattagggttgt | ttctcaactctataaattactaaa | 2 | 50 | C |
ATM island | T | 1° | — | taagatttaggttaaagtaaatat | atctaaaaaaaaaacaaactaaa | 2 | 50 | B |
ATM-I MSP | T | 2° | M | gtggcggtattgaattcgc | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
ATM-I MSP | T | 2° | U | gtggtggtattgaatttgt | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
ATM-II MSP | T | 2° | M | cgattcgtaaacgttaagtc | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
ATM-II MSP | T | 2° | U | tgatttgtaaatgttaagtt | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
ATM-III MSP | T | 2° | M | cgttttcgttcgttttcggaattgtc | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
ATM-III MSP | T | 2° | U | tgtttttgtttgtttttggaattgtt | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
ATM-IV MSP | T | 2° | M | cgggatttgcgttgtaattatcgtcgc | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
ATM-IV MSP | T | 2° | U | tgggatttgtgttgtaattattgttgt | atctaaaaaaaaaacaaactaaa | 2 | 50 | C |
Primers for amplification of the ABL1 CpG island correspond to the antisense strand (see Materials and Methods). All other amplifications correspond to the sense strand. Primers for first-round PCR of ATM and MLH1 loci are insensitive to methylation. For each gene, a common reverse primer was used.
Abbreviations: S, single-step MSP; T, 2-step MSP; 1°, first round of 2-step MSP; 2°, second round of 2-step MSP; M, primer specific for methylated DNA; U, primer specific for unmethylated DNA; N, amount of added microliters of a standard dNTP solution (10 mmol/L of each nucleotide) per 100 μL total PCR volume; °C, annealing temperature in centrigrade; P, cycling parameters: A, 1 cycle of denaturation for 1 minute, annealing for 1 minute 30 seconds, extension for 1 minute 30 seconds followed by 39 cycles of denaturation for 1 minute, annealing for 1 minute, extension for 1 minute; B, 5 cycles of denaturation for 1 minute, annealing for 2 minutes 30 seconds, extension for 4 minutes followed by 50 cycles of denaturation for 1 minute, annealing for 2 minutes, extension for 2 minutes 30 seconds; C, 10 cycles of denaturation for 1 minute, annealing for 1 minute, extension for 1 minute; D, 5 cycles of denaturation for 1 minute, annealing for 1 minute 30 seconds, extension for 4 minutes followed by 50 cycles of denaturation for 1 minute, annealing for 1 minute, extension for 2 minutes 30 seconds.