Zhonghua xue ye xue za zhi = Zhonghua xueyexue zazhi · 2014
[Detection of leukemia-derived microparticles in the monitoring of chronic myeloid leukemia].
Аннотация на английскомСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Zhu Xiaojian, Li Qing, Zeng Chen, Zhong Zhaodong, You Yong, Zou Ping
Аннотация
OBJECTIVE: To exam the role of leukemia cells-derived microparticles in the post-complete molecular response stratification.
METHODS: Blood samples from 29 patients diagnosed with chronic myeloid leukemia (CML) were collected. Microparticles (MP) were extracted from the peripheral blood. Real-time PCR was performed to measure the level of BCR-ABL mRNA.
RESULTS: BCR-ABL mRNA could be stably detected both in MP and peripheral blood cells; BCR-ABL in MP showed significant difference within complete molecular response, major molecular response and complete cytogenetic response (9.1±2.8, 25.2±6.9 and 62.8±6.3 respectively, P<0.05). BCR-ABL was detected in MP even when it was negative in peripheral blood cells (3.7-15.3). For patients with complete molecular response, BCR-ABL in MP but not cells were significantly different between imatinib and stem cell transplant recipients (3.3±2.1 vs 9.1±2.8, P<0.05).
CONCLUSION: This study indicated that MP may serves as a new target for monitoring of CML. Quantification of BCR-ABL in MP may offer a novel strategy for stratification of molecular response.
METHODS: Blood samples from 29 patients diagnosed with chronic myeloid leukemia (CML) were collected. Microparticles (MP) were extracted from the peripheral blood. Real-time PCR was performed to measure the level of BCR-ABL mRNA.
RESULTS: BCR-ABL mRNA could be stably detected both in MP and peripheral blood cells; BCR-ABL in MP showed significant difference within complete molecular response, major molecular response and complete cytogenetic response (9.1±2.8, 25.2±6.9 and 62.8±6.3 respectively, P<0.05). BCR-ABL was detected in MP even when it was negative in peripheral blood cells (3.7-15.3). For patients with complete molecular response, BCR-ABL in MP but not cells were significantly different between imatinib and stem cell transplant recipients (3.3±2.1 vs 9.1±2.8, P<0.05).
CONCLUSION: This study indicated that MP may serves as a new target for monitoring of CML. Quantification of BCR-ABL in MP may offer a novel strategy for stratification of molecular response.