[CD36 expression in leukemia cells checked with multi-parameter flow cytometry and its significance].

Area of Science:

• Hematology
• Immunophenotyping
• Leukemia Diagnostics

Background:

• Leukemia diagnosis relies on accurate immunophenotyping.
• CD36 is a cell surface glycoprotein with potential diagnostic utility in hematological malignancies.

Purpose of the Study:

• To investigate CD36 expression in leukemia cells.
• To determine the significance of CD36 in the diagnosis and differential diagnosis of leukemia.

Main Methods:

• Analysis of 133 leukemia blood samples using CD45/SSC and multi-color flow cytometry.
• Determination of CD36 and other leukocyte differentiation antigens.

Main Results:

• CD36 was positive in 21.8% of leukemia cases, significantly higher in acute myeloid leukemia (AML) subtypes M(4), M(5), and M(6) compared to M(1), M(2), and M(3).
• In monocyte lineage involved leukemia (MLIL), CD36 positive rate (92.6%) was significantly higher than CD14 (48.1%).
• CD36 expression showed significant negative regression with CD117 and positive regression with CD14 in specific AML subtypes.

Conclusions:

• Combining CD36 with lymphoid and myeloid antigens aids in diagnosing and differentiating lymphoid, myeloid, and MLIL.
• CD36 is a more sensitive marker than CD14 for MLIL.
• CD36 expression patterns provide crucial information for leukemia subtyping and differential diagnosis.