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Steroidogenic acute regulatory protein (StAR) transfers cholesterol over the inner mitochondrial membrane, thereby making the molecule available for cholesterol side-chain cleavage enzyme, which carries out the first conversion in the steroidogenic pathway. In mammals, StAR controls this rate limiting step in steroidogenesis, and both StAR protein and StAR(More)
We describe the different length (DL) qPCR method for quantification of UV induced DNA damage in cell killing. The principle of DL qPCR is that DNA damage inhibits PCR. Applications with different lengths can therefore be used to detect different levels of UV-induced DNA damage. The assay was evaluated on three strains of Escherichia coli exposed to varying(More)
Several polycyclic aromatic compounds (PAC) including nitrated and oxygenated derivatives of polycyclic aromatic hydrocarbons (PAH) were tested for mutagenic activity in the Salmonella/microsome assay. Among the compounds tested the isomer mix of nitro-1-hydroxypyrenes showed the highest direct mutagenic response in both the Salmonella strain TA98 and TA100(More)
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