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Related Concept Videos

Disorders of Leukocytes01:27

Disorders of Leukocytes

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Leukocyte disorders can lead to either leukopenia, characterized by an abnormally low leukocyte count, or leukocytosis, marked by a very high leukocyte number.
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Primary Lymphoid Organs01:16

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Primary lymphoid organs are pivotal in the formation, development, and maturation of lymphocytes, the white blood cells that serve as the backbone of our immune system. This crucial function underscores their fundamental role in maintaining our overall health and immunity. The two primary lymphoid organs of prime importance are the red bone marrow and the thymus.
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Lymphoid Cells and Tissues01:18

Lymphoid Cells and Tissues

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Lymphoid cells and tissues are integral to the immune system, which is crucial in maintaining our body's defense against harmful pathogens. They form the building blocks of lymphoid organs, which include the spleen, thymus, and lymph nodes.
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Lampbrush Chromosomes01:51

Lampbrush Chromosomes

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In 1882, Flemming observed lampbrush chromosomes (LBC) in salamander eggs. Later in 1892, Rückert observed LBCs in shark egg cells and coined the term "lampbrush chromosomes" because they looked like brushes used to clean kerosene lamps.
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Secondary Lymphoid Organs01:15

Secondary Lymphoid Organs

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Secondary organs, including lymph nodes, the spleen, and mucosa-associated lymphoid tissue (MALT), work harmoniously to protect us from disease and infection.
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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].

M Gauthier1

  • 1Service d'hématologie-maladies du sang, centre hospitaler de Cahors, Cahors, France.

La Revue De Medecine Interne
|February 21, 2022
PubMed
Summary
This summary is machine-generated.

Chronic lymphocytic leukemia (CLL) is a B cell lymphoma diagnosed by hyperlymphocytosis. Treatment decisions for CLL require assessing IGHV mutational status and TP53 disruption, with new drugs challenging chemoimmunotherapy.

Keywords:
Chronic lymphocytic leukemiaDiagnosisDiagnosticLeucémie lymphoïde chroniquePathophysiologyPhysiopathologieThérapeutiqueTreatment

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Subcellular Fractionation of Primary Chronic Lymphocytic Leukemia Cells to Monitor Nuclear/Cytoplasmic Protein Trafficking
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Immunoglobulin Gene Sequence Analysis In Chronic Lymphocytic Leukemia: From Patient Material To Sequence Interpretation
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Subcellular Fractionation of Primary Chronic Lymphocytic Leukemia Cells to Monitor Nuclear/Cytoplasmic Protein Trafficking
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Subcellular Fractionation of Primary Chronic Lymphocytic Leukemia Cells to Monitor Nuclear/Cytoplasmic Protein Trafficking

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Area of Science:

  • Oncology
  • Hematology
  • Immunology

Background:

  • Chronic lymphocytic leukemia (CLL) is a low-grade B cell lymphoma characterized by circulating malignant lymphocytes.
  • Diagnosis and treatment guidelines for CLL were updated in 2018, recognizing distinct disease entities based on IGHV mutational status.
  • Prognostic factors, including TP53 disruption, are crucial for guiding therapeutic decisions in CLL.

Purpose of the Study:

  • To summarize the current understanding of Chronic lymphocytic leukemia (CLL) diagnosis and treatment.
  • To highlight the importance of genetic alterations and microenvironment in CLL pathogenesis.
  • To review the evolving therapeutic landscape for CLL, including novel agents and chemoimmunotherapy.

Main Methods:

  • Review of existing literature on CLL diagnosis, prognosis, and treatment.
  • Analysis of genetic alterations and their impact on CLL.
  • Evaluation of the role of the microenvironment in CLL progression.
  • Comparison of chemoimmunotherapy with novel targeted agents.

Main Results:

  • CLL can be stratified into distinct prognostic groups based on IGHV mutational status and TP53 disruption.
  • CLL cell dependency on B-cell receptor signaling and microenvironment influences disease progression.
  • Patients with CLL exhibit poor vaccine response and are prone to infections, autoimmune disorders, and secondary malignancies.
  • Novel drugs like Bruton tyrosine-kinase inhibitors and venetoclax-based regimens show high efficacy, challenging traditional chemoimmunotherapy.

Conclusions:

  • Treatment for CLL is not systematic and depends on prognostic markers.
  • The microenvironment and genetic landscape significantly impact CLL behavior and progression.
  • The therapeutic approach for CLL is rapidly evolving, with targeted therapies offering new hope.
  • Future CLL treatment strategies will likely involve combinations of novel agents and chemoimmunotherapy.