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Moloney murine leukemia virus-based retroviral vector expression is gradually lost during prolonged in vitro culture of CEMSS T cells. However, when the human beta interferon scaffold attachment region (IFN-SAR) was inserted into the vector immediately upstream of the 3' long terminal repeat (LTR), expression was maintained for the length of the study (4(More)
An ELISA method for the detection of salivary amylase in dried stains using a monoclonal anti-human salivary amylase antibody was developed. Studies demonstrated the assay to be sensitive down to 0.0002 Sigma units and showed a linear response between absorbance and salivary amylase activity between 0.002 and 0.2 units. The assay showed no cross reactivity(More)
Homology between the two repeat (R) regions in the retroviral genome mediates minus-strand DNA transfer during reverse transcription. We sought to define the effects of R homology lengths on minus-strand DNA transfer. We generated five murine leukemia virus (MLV)-based vectors that contained identical sequences but different lengths of the 3' R (3, 6, 12,(More)
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