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Establishment of the first World Health Organization International Genetic Reference Panel for quantitation of BCR-ABL mRNA.

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Author

  • Helen E. White
  • Paul Matejtschuk
  • Peter Rigsby
  • Jean Gabert
  • Feng Lin
  • Y. Lynn Wang
  • Susan Branford
  • Martin C. Müller
  • Nathalie Beaufils
  • Emmanuel Beillard
  • Dolors Colomer
  • Dana Dvorakova
  • Hans Ehrencrona
  • Hyun-Gyung Goh
  • Hakim El Housni
  • Dan Jones
  • Veli Kairisto
  • Suzanne Kamel-Reid
  • Dong-Wook Kim
  • Stephen Langabeer
  • Edmond S. K. Ma
  • Richard D. Press
  • Giuliana Romeo
  • Lihui Wang
  • Katerina Zoi
  • Timothy Hughes
  • Giuseppe Saglio
  • Andreas Hochhaus
  • John M. Goldman
  • Paul Metcalfe
  • Nicholas C. P. Cross
Show all

Summary, in English

Serial quantitation of BCR-ABL mRNA levels is an important indicator of therapeutic response for patients with chronic myelogenous leukemia and Philadelphia chromosome-positive acute lymphoblastic leukemia, but there is substantial variation in the real-time quantitative polymerase chain reaction methodologies used by different testing laboratories. To help improve the comparability of results between centers we sought to develop accredited reference reagents that are directly linked to the BCR-ABL international scale. After assessment of candidate cell lines, a reference material panel comprising 4 different dilution levels of freeze-dried preparations of K562 cells diluted in HL60 cells was prepared. After performance evaluation, the materials were assigned fixed percent BCR-ABL/control gene values according to the International Scale. A recommendation that the 4 materials be established as the first World Health Organization International Genetic Reference Panel for quantitation of BCR-ABL translocation by real-time quantitative polymerase chain reaction was approved by the Expert Committee on Biological Standardization of the World Health Organization in November 2009. We consider that the development of these reagents is a significant milestone in the standardization of this clinically important test, but because they are a limited resource we suggest that their availability is restricted to manufacturers of secondary reference materials.

Publishing year

2010

Language

English

Pages

111-117

Publication/Series

Blood

Volume

116

Issue

22

Document type

Journal article

Publisher

American Society of Hematology

Topic

  • Hematology

Keywords

  • Chronic
  • Myelogenous
  • Leukemia
  • Humans
  • Cell Line
  • bcr-abl
  • Fusion Proteins
  • BCR-ABL Positive
  • RNA
  • Messenger
  • Reference Standards
  • Reverse Transcriptase Polymerase Chain Reaction
  • World Health Organization

Status

Published

ISBN/ISSN/Other

  • ISSN: 1528-0020