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[Immunophenotyping of peripheral blood leukemic cells by multi-parameter cytometry]
Ti Zhang1, Ling-ling Zhao, Chun-qing Zhang
1Hematology Research Laboratory, Qilu Hospital, Shandong University, Jinan 250012, China. Zhang-sb0715@163.com
Summary
The CD45/SSC gating strategy accurately identifies leukemia cell populations in peripheral blood. This immunophenotyping method aids in leukemia classification, clinical treatment, and prognosis.
Area of Science:
- Hematology
- Immunology
- Clinical Pathology
Background:
- Leukemia diagnosis relies on accurate immunophenotyping of peripheral blood leukocytes.
- Multi-parameter flow cytometry offers detailed cellular analysis.
Purpose of the Study:
- To evaluate the clinical utility of CD45/SSC gating with multi-parameter cytometry for leukemia immunophenotyping.
- To assess the significance of this strategy in leukemia classification and patient management.
Main Methods:
- Peripheral blood leukocytes were stained using CD45 and lineage-specific monoclonal antibodies.
- CD45/SSC dot plots were generated to identify and gate leukemic cell populations.
- Immunophenotyping was performed on gated leukemic cells.
Main Results:
- The study included 144 acute leukemia and 51 chronic leukemia patients.
- Leukemic cell colonies were successfully identified in 137 out of 144 specimens.
- Accurate immunophenotypic classification was achieved for most patients, with some exhibiting co-expression of markers.
Conclusions:
- The CD45/SSC gating strategy enables precise immunophenotyping of leukemia.
- This approach is crucial for effective clinical treatment decisions and prognosis assessment.
- Understanding marker co-expression is important in leukemia subtyping.