Expression of CD25 (interleukin-2 receptor α chain) in adult acute lymphoblastic leukemia predicts for the presence of BCR/ABL fusion transcripts: Results of a preliminary laboratory analysis of ECOG/MRC Intergroup Study E2993

Elisabeth M. Paietta, Janis Racevskis, D. Neuberg, J. M. Rowe, A. H. Goldstone, P. H. Wiernik

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Abstract

Of 144 adult Eastern Cooperative Oncology Group (ECOG) patients with acute lymphoblastic leukemia (ALL) entered on study E2993 at the time of analysis, 104 had informative immunophenotypes and molecular analysis by polymerase chain reaction for BCR/ABL fusion transcripts. In 23 patients (22%), BCR/ABL transcripts were detected: the ALL-typical e1a2 alone in 12, e1a2 + b2a2/b3a2 in five, and b2a2 and/or b3a2 in six. Of BCR/ABL-positive patients, 83% had early pre-B ALL, one patient had pre-T ALL, while half of the BCR/ABL-negative patients had early pre-B ALL, 18% had CD10-negative pro-B ALL and 21% were pre-T. When antibodies to both the interleukin-2 receptor α (CD25) and β chain (CD122) were tested, CD25 was expressed significantly more frequently in BCR/ABL-positive (median 23% positive blast cells, range 1-84%) than BCR/ABL-negative patients (median 3%, range 0-69%) (P= 0.00006). There was no corelation with CD122 expression. Therefore, CD25 expression may serve as a surrogate marker for BCR/ABL positivity (Philadelphia chromosome), the major poor prognostic parameter in adult ALL.

Original languageEnglish (US)
Pages (from-to)1887-1890
Number of pages4
JournalLeukemia
Volume11
Issue number11
StatePublished - 1997

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Interleukin-2 Receptors
Precursor Cell Lymphoblastic Leukemia-Lymphoma
Philadelphia Chromosome
Biomarkers
Polymerase Chain Reaction
Antibodies

Keywords

  • Acute lymphoblastic leukemia
  • CD25 (interleukin-2 α chain receptor)
  • Philadelphia chromosome

ASJC Scopus subject areas

  • Hematology
  • Cancer Research

Cite this

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title = "Expression of CD25 (interleukin-2 receptor α chain) in adult acute lymphoblastic leukemia predicts for the presence of BCR/ABL fusion transcripts: Results of a preliminary laboratory analysis of ECOG/MRC Intergroup Study E2993",
abstract = "Of 144 adult Eastern Cooperative Oncology Group (ECOG) patients with acute lymphoblastic leukemia (ALL) entered on study E2993 at the time of analysis, 104 had informative immunophenotypes and molecular analysis by polymerase chain reaction for BCR/ABL fusion transcripts. In 23 patients (22{\%}), BCR/ABL transcripts were detected: the ALL-typical e1a2 alone in 12, e1a2 + b2a2/b3a2 in five, and b2a2 and/or b3a2 in six. Of BCR/ABL-positive patients, 83{\%} had early pre-B ALL, one patient had pre-T ALL, while half of the BCR/ABL-negative patients had early pre-B ALL, 18{\%} had CD10-negative pro-B ALL and 21{\%} were pre-T. When antibodies to both the interleukin-2 receptor α (CD25) and β chain (CD122) were tested, CD25 was expressed significantly more frequently in BCR/ABL-positive (median 23{\%} positive blast cells, range 1-84{\%}) than BCR/ABL-negative patients (median 3{\%}, range 0-69{\%}) (P= 0.00006). There was no corelation with CD122 expression. Therefore, CD25 expression may serve as a surrogate marker for BCR/ABL positivity (Philadelphia chromosome), the major poor prognostic parameter in adult ALL.",
keywords = "Acute lymphoblastic leukemia, CD25 (interleukin-2 α chain receptor), Philadelphia chromosome",
author = "Paietta, {Elisabeth M.} and Janis Racevskis and D. Neuberg and Rowe, {J. M.} and Goldstone, {A. H.} and Wiernik, {P. H.}",
year = "1997",
language = "English (US)",
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T1 - Expression of CD25 (interleukin-2 receptor α chain) in adult acute lymphoblastic leukemia predicts for the presence of BCR/ABL fusion transcripts

T2 - Results of a preliminary laboratory analysis of ECOG/MRC Intergroup Study E2993

AU - Paietta, Elisabeth M.

AU - Racevskis, Janis

AU - Neuberg, D.

AU - Rowe, J. M.

AU - Goldstone, A. H.

AU - Wiernik, P. H.

PY - 1997

Y1 - 1997

N2 - Of 144 adult Eastern Cooperative Oncology Group (ECOG) patients with acute lymphoblastic leukemia (ALL) entered on study E2993 at the time of analysis, 104 had informative immunophenotypes and molecular analysis by polymerase chain reaction for BCR/ABL fusion transcripts. In 23 patients (22%), BCR/ABL transcripts were detected: the ALL-typical e1a2 alone in 12, e1a2 + b2a2/b3a2 in five, and b2a2 and/or b3a2 in six. Of BCR/ABL-positive patients, 83% had early pre-B ALL, one patient had pre-T ALL, while half of the BCR/ABL-negative patients had early pre-B ALL, 18% had CD10-negative pro-B ALL and 21% were pre-T. When antibodies to both the interleukin-2 receptor α (CD25) and β chain (CD122) were tested, CD25 was expressed significantly more frequently in BCR/ABL-positive (median 23% positive blast cells, range 1-84%) than BCR/ABL-negative patients (median 3%, range 0-69%) (P= 0.00006). There was no corelation with CD122 expression. Therefore, CD25 expression may serve as a surrogate marker for BCR/ABL positivity (Philadelphia chromosome), the major poor prognostic parameter in adult ALL.

AB - Of 144 adult Eastern Cooperative Oncology Group (ECOG) patients with acute lymphoblastic leukemia (ALL) entered on study E2993 at the time of analysis, 104 had informative immunophenotypes and molecular analysis by polymerase chain reaction for BCR/ABL fusion transcripts. In 23 patients (22%), BCR/ABL transcripts were detected: the ALL-typical e1a2 alone in 12, e1a2 + b2a2/b3a2 in five, and b2a2 and/or b3a2 in six. Of BCR/ABL-positive patients, 83% had early pre-B ALL, one patient had pre-T ALL, while half of the BCR/ABL-negative patients had early pre-B ALL, 18% had CD10-negative pro-B ALL and 21% were pre-T. When antibodies to both the interleukin-2 receptor α (CD25) and β chain (CD122) were tested, CD25 was expressed significantly more frequently in BCR/ABL-positive (median 23% positive blast cells, range 1-84%) than BCR/ABL-negative patients (median 3%, range 0-69%) (P= 0.00006). There was no corelation with CD122 expression. Therefore, CD25 expression may serve as a surrogate marker for BCR/ABL positivity (Philadelphia chromosome), the major poor prognostic parameter in adult ALL.

KW - Acute lymphoblastic leukemia

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