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Disorders of Leukocytes01:27

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Immunoglobulin Gene Sequence Analysis In Chronic Lymphocytic Leukemia: From Patient Material To Sequence Interpretation
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Immunoglobulin Gene Sequence Analysis In Chronic Lymphocytic Leukemia: From Patient Material To Sequence Interpretation

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Chronic Lymphocytic Leukemia.

Nicholas Chiorazzi1, Shih-Shih Chen1, Kanti R Rai2

  • 1The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, New York 11030, USA.

Cold Spring Harbor Perspectives in Medicine
|April 2, 2020
PubMed
Summary
This summary is machine-generated.

Chronic lymphocytic leukemia (CLL) patients vary in disease course and progression. External TME signals and internal genetic factors influence CLL survival and growth, guiding therapeutic strategies.

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Area of Science:

  • Hematology
  • Oncology
  • Immunology

Background:

  • Chronic lymphocytic leukemia (CLL) presents with diverse clinical trajectories, from indolent to aggressive disease.
  • CLL progression involves distinct phases: development, diagnosis, and the need for therapy.
  • Leukemic cells require continuous external signaling for survival and proliferation.

Purpose of the Study:

  • To review the temporal course of CLL, focusing on external and internal factors influencing disease.
  • To highlight the role of the tissue microenvironment (TME) in CLL progression.
  • To discuss genetic and epigenetic alterations driving CLL development and advancement.

Main Methods:

  • Literature review focusing on the temporal aspects of CLL.
  • Analysis of external influences, including membrane receptor signaling (BCR, CXCR4).
  • Examination of internal factors: inherited susceptibility and acquired genetic/epigenetic changes.

Main Results:

  • CLL patients can be categorized by disease indolence or aggressiveness.
  • External signals via B-cell receptor (BCR) and C-X-C-motif chemokine receptor-4 (CXCR4) are critical for CLL survival.
  • Inherited genes and acquired genetic/epigenetic abnormalities contribute to CLL initiation and progression.

Conclusions:

  • Understanding the temporal dynamics of CLL is crucial for effective management.
  • Targeting external inputs (BCR, CXCR4) and addressing internal genetic factors offers therapeutic potential.
  • Therapeutic strategies should consider the interplay between the TME and genetic landscape in CLL.