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. Author manuscript; available in PMC: 2017 Nov 1.
Published in final edited form as: Mol Genet Metab. 2016 Aug 18;119(3):207–213. doi: 10.1016/j.ymgme.2016.08.001

Figure 2.

Figure 2

Expression of three commonly used housekeeping genes over NBS sample storage time (in year) from microarray and qRT-PCR data. Upper panel (microarray gene expression data): a. ACTB gene expression; b. GAPDH gene expression; c. PPIA gene expression. Lower panel (qRT-PCR data): d. Mean CT value of ACTB; e. Mean CT value of GAPDH; f. Mean CT value of PPIA. qRT-PCR: quantitative real time polymerase chain reaction; ACTB: beta cytoskeletal actin; GAPDH: glyceraldehyde 3-phosphate dehydrogenase; PPIA: peptidylprolyl isomerase A; CT: cycle threshold.