Abstract
Mycoplasmas have been associated with multiple acute and chronic diseases. Mycoplasma genome is found in the blood of 10 to 15 percent of subjectively healthy individuals. If blood borne and viable in donated blood, mycoplasmas could potentially be transfusion transmissible. The INACTINE PEN110 technology is a pathogen reduction process that is in Phase 3 clinical studies. The present study investigated the ability of this process to eradicate mycoplasmas in human blood. Identical whole blood or RBC units inoculated with Mycoplasma arthritidis or M. pneumoniae were incubated with PEN110 (inactivating agent) for 24 hours at 23 degrees C. Sham controls were treated with buffer under the same conditions. 4 degrees C controls were put on storage immediately after the spike. No viable microorganisms were detected in PEN110-treated units after 24 hours of incubation. Sham controls showed no changes to mycoplasma titers during the incubation. In 4 degrees C controls, minor decrease of mycoplasma titers was observed during the storage. The INACTINE process inactivates more than 107 mycoplasma CFU per mL in whole blood and RBCs. This study is the first demonstration of susceptibility of mycoplasmas to pathogen reduction. The data provide further support for the ability of INACTINE technology to address microbial safety issues that are not well characterized.
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