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Related Experiment Videos

Elevated lipoprotein(a) levels in patients with acute myeloblastic leukaemia decrease after successful

A Niendorf1, A Stang, U Beisiegel

  • 1Institut für Pathologie, Universitätskrankenhaus Eppendorf, Universität Hamburg.

The Clinical Investigator
|August 1, 1992
PubMed
Summary

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Lipoprotein (a) [Lp(a)] levels are elevated in acute myeloblastic leukaemia (AML) at diagnosis and decrease with treatment. Other lipid levels like cholesterol and lipoproteins (LDL, HDL) are reduced at diagnosis but increase upon remission.

Area of Science:

  • Biochemistry
  • Oncology
  • Hematology

Background:

  • Acute myeloblastic leukaemia (AML) is a cancer affecting blood and bone marrow.
  • Lipid metabolism alterations are observed in various cancers.
  • The role of specific lipoproteins in AML pathogenesis is not fully understood.

Purpose of the Study:

  • To investigate changes in lipid metabolism, specifically Lipoprotein (a) [Lp(a)], total cholesterol, LDL, and HDL, in patients with AML.
  • To determine if these lipid levels correlate with disease status and treatment response.

Main Methods:

  • Studied 22 patients diagnosed with AML.
  • Measured serum levels of Lp(a), total cholesterol, LDL, and HDL at diagnosis.
  • Re-evaluated lipid levels after chemotherapeutic treatment in patients who achieved complete remission.

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Main Results:

  • Elevated Lp(a) levels (median 23 mg/dl) were observed at diagnosis, with 41% of patients exceeding 25 mg/dl.
  • Lp(a) levels decreased significantly after successful chemotherapy in 90% of treated patients.
  • Reduced levels of total cholesterol (median 137 mg/dl), LDL (median 87 mg/dl), and HDL (median 20 mg/dl) were found at diagnosis.
  • Cholesterol, HDL, and LDL levels increased in patients who achieved complete remission.

Conclusions:

  • Lp(a) levels in AML are influenced by leukaemic blasts, suggesting a direct or indirect role in the disease.
  • Enhanced catabolism of LDL-cholesterol may occur in AML.
  • Lipid profiles, particularly Lp(a), may serve as potential biomarkers in AML management.