All SOD1 plasmids, including pCI-hSOD1WT and pCI-hSOD1G93A were generated previously by our group, by inserting human SOD1 constructs into the pCI-NEO vector (Promega), between the EcoRI and the NotI sites. A DDT expressing plasmid pET-21b-hDDT, was generously received from the Bernhagen group (Munich, Germany). The sequence of human DDT was transferred from the pET-21b vector75 (link) into the mammalian expression vector pcDNA3.1 (-) vector, between the BamHI and NotI restriction sites. Human DDT gene was amplified by PCR from pET-21b vector using following primers:
Forward primer: 5’-ATTACGCGGCCGCCACCATGCCGTTCCTGGAG-3’.
Reversed primer: 5’-GCTAGGATCCCTATAAAAAAGTCATGAC-3’.
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