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CD9 expression indicates a poor outcome in acute lymphoblastic leukemia

Peiqi Liang, Miao Miao, Zhuogang Liu

    Cancer Biomarkers : Section a of Disease Markers
    |December 30, 2017
    PubMed

    Insights

    CD9 expression is linked to specific acute lymphoblastic leukemia (ALL) subtypes and clinical features. CD9-positive ALL patients show a poorer prognosis, highlighting CD9 as a potential prognostic marker.

    Area of Science:

    • Hematology
    • Oncology
    • Immunology

    Background:

    • Acute lymphoblastic leukemia (ALL) is a heterogeneous hematologic malignancy.
    • Understanding molecular markers like CD9 can refine prognostic assessments in ALL.

    Purpose of the Study:

    • To investigate the association between CD9 expression and clinical characteristics of acute lymphoblastic leukemia (ALL).
    • To evaluate the prognostic significance of CD9 in ALL patients.

    Main Methods:

    • Retrospective analysis of 112 newly diagnosed ALL patients.
    • Flow cytometry utilized for CD9 expression detection.
    • Clinical data and survival outcomes were collected and analyzed.

    Main Results:

    • CD9 expression was more prevalent in B-cell ALL and older patients (>40 years).
    • CD9 positivity correlated with higher BCR-ABL fusion gene rates and elevated neutrophil counts (P=0.004).
    • CD9 expression did not influence response to induction chemotherapy but was associated with a lower 2-year overall survival rate.

    Conclusions:

    • CD9 expression serves as a predictive marker for specific clinical features in ALL.
    • CD9 positivity indicates a less favorable prognosis in acute lymphoblastic leukemia patients.
    Abstract

    Keywords:
    Acute lymphoblastic leukemiaCD9clinical characteristicsprognosis

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