Table 2: RT-PCR standardization for Alu-p53. Effect of the concentrations of MgCl2 and primers on Ct (threshold cycle, defined as the number of cycles required for the fluorescent signal to cross the threshold).

Template [MgCl2] [primers] Ct
pDNA 1 x107 copies/µl 1.5mM 150 nM 11,63
100 nM 12,75
75 nM 14,99
NTC 150 nM 35,42
100 nM 36,36
75 nM 37,07
pDNA 1 x107 copies/µl 1.25mM 150 nM 13,4
100 nM 18,53
75 nM 19,06
NTC 150 nM 37,52
100 nM 40
75 nM 40
pDNA 1 x107copies/µl 1mM 150 nM 30,54
100 nM 40
75 nM 40
NTC 150 nM 40
100 nM 40
75 nM 40
pDNA 1 x107 copies/µl 0.75mM 150 nM 40
100 nM 40
75 nM 40
NTC 150 nM 40
100 nM 40
75 nM 40
pDNA 1 x107copies/µl 0.5mM 150 nM 40
100 nM 40
75 nM 40
NTC 150 nM 40
100 nM 40
75 nM 40