synthesis and mRNA expression quantification were performed
following the method of Jang et al. [16]. The sequences of primers
and probes are shown in Table 1. One-step quantitative real-time
PCR (qRT-PCR) was accomplished with the One Step Prime-
Script™ RT-PCR perfect real time kit (Takara Bio, Japan). The final
reaction volume was 20 mL, including 10 mL of 2 One-Step RT-PCR
Buffer III, 2 units of Takara Ex Hot Start Taq enzyme, 0.4 mL of
reverse transcript enzyme Mix II, and 0.4 mM each of forward
primer, reverse primer and TaqMan probe. The PCR was conducted
as follows: 42 C for 5 min, 95 C for 10 s, followed by 40 cycles of
95 C for 5 s and 60 C for 30 s. Fluorescent signal detection was
started from the first cycle of the annealing stage. All samples were
analyzed in triplicates and the relative expression was determined
by the comparative threshold cycle (CT) method (2DDCT method)
[31] using b-actin as a reference. It involves the CT values of the
target gene and housekeeping gene, b-actin, and compares the
relative expression level among each sample by 2DDCT method.
synthesis and mRNA expression quantification were performedfollowing the method of Jang et al. [16]. The sequences of primersand probes are shown in Table 1. One-step quantitative real-timePCR (qRT-PCR) was accomplished with the One Step Prime-Script™ RT-PCR perfect real time kit (Takara Bio, Japan). The finalreaction volume was 20 mL, including 10 mL of 2 One-Step RT-PCRBuffer III, 2 units of Takara Ex Hot Start Taq enzyme, 0.4 mL ofreverse transcript enzyme Mix II, and 0.4 mM each of forwardprimer, reverse primer and TaqMan probe. The PCR was conductedas follows: 42 C for 5 min, 95 C for 10 s, followed by 40 cycles of95 C for 5 s and 60 C for 30 s. Fluorescent signal detection wasstarted from the first cycle of the annealing stage. All samples wereanalyzed in triplicates and the relative expression was determinedby the comparative threshold cycle (CT) method (2DDCT method)[31] using b-actin as a reference. It involves the CT values of thetarget gene and housekeeping gene, b-actin, and compares therelative expression level among each sample by 2DDCT method.
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