Elhadary AMA, El-Aragi GM, Ahmed MM and Said ZS
Background: This study investigates the effect of Atmospheric Pressure Plasma Jet (APPJ) on cytogenetic instability and transcription of genes associated with propagation of chronic myelogenous leukemia (CML).
Material and methods: Blood samples were collected from six patients with CML and compared with control group. The first three cases were in accelerated phase (AP-CML) resistant to imatinib and nilotinib drugs. The others partially responded and returned to chronic phase (CP-CML). Triple blood cultures for each case were exposed to single dose of plasma, with treatment times of 40, 80, and 120 sec. Mitotic phases, indices and abnormalities, as well transcription levels of P53, caspase-3 and BcL-2 genes were detected before and after plasma jet exposure.
Results and conclusion: The data showed that the exposure to APPJ caused remission of the mitotic indices and give a significant increase in the arresting of chromosome instabilities by induction of different mitotic checkpoints and express of sticky and condensed chromosomes which ended by apoptosis and necrosis processes. Additionally, the same events detected for the transcriptional levels of P53, caspase-3 and Bcl-2 genes.
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