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Improved Minimal Residual Disease Detection by Targeted Quantitative Polymerase Chain Reaction in Nucleophosmin 1 Type a Mutated Acute Myeloid Leukemia

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14110%2F16%3A00113852" target="_blank" >RIV/00216224:14110/16:00113852 - isvavai.cz</a>

  • Alternative codes found

    RIV/65269705:_____/16:00065856

  • Result on the web

    <a href="https://onlinelibrary.wiley.com/doi/full/10.1002/gcc.22375" target="_blank" >https://onlinelibrary.wiley.com/doi/full/10.1002/gcc.22375</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/gcc.22375" target="_blank" >10.1002/gcc.22375</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Improved Minimal Residual Disease Detection by Targeted Quantitative Polymerase Chain Reaction in Nucleophosmin 1 Type a Mutated Acute Myeloid Leukemia

  • Original language description

    Multicolor flow cytometry (MFC) and real-time quantitative PCR (RQ-PCR) are important independent techniques to determine minimal residual disease (MRD) in acute myeloid leukemia (AML). MFC is the standard method, but may be unreliable. Therefore, MFC-based determination of MRD with an RQ-PCR-based approach targeting the nucleophosmin 1 (NPM1) type A mutation was set out to compare. Since most current NPM1 RQ-PCR MRD protocols suffer from clear definitions of quantifiability, we sought to define quantifiability in a reproducible and standardized manner. The limit of quantifiability of our RQ-PCR protocol for the NPM1 type A mutation varied between 0.002% and 0.04% residual leukemic cells depending on the features of the standard curve for each PCR experiment. The limit of detection was close to 0.001% leukemic cells. The limit of detection by MFC ranged from 0.01% to 1% depending on the phenotype of the leukemic cells as compared with non-leukemic bone marrow cells. Forty-five MRD samples from 15 patients using both NPM1 mutation specific RQ-PCR and MFC were analyzed. In 32 of the 45 samples (71%), an MRD-signal could be detected with RQ-PCR. A quantifiable NPM1 mutation signal was found in 15 samples (33%) (range 0.003%-2.6% leukemic cells). By contrast, only two follow-up samples (4%) showed residual leukemic cells (0.04% and 0.3%, respectively) by MFC. Thus, RQ-PCR of the NPM1 type A mutation was more sensitive and reliable than MFC for determination of MRD, which might have clinical implications. (C) 2016 Wiley Periodicals, Inc.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    30204 - Oncology

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    GENES CHROMOSOMES &amp; CANCER

  • ISSN

    1045-2257

  • e-ISSN

  • Volume of the periodical

    55

  • Issue of the periodical within the volume

    10

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    17

  • Pages from-to

    750-766

  • UT code for WoS article

    000383584700002

  • EID of the result in the Scopus database

    2-s2.0-84981223740