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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.
Leukopenia may result from bone marrow disorders, autoimmune diseases, and infectious diseases. For example, conditions such as multiple myeloma and aplastic anemia can impair the bone marrow's ability to produce adequate leukocytes. Similarly, autoimmune diseases like lupus and viral infections such as HIV can prompt the immune...
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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

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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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Related Experiment Video

Updated: Mar 8, 2026

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 leukaemia.

Thomas J Kipps1, Freda K Stevenson2, Catherine J Wu3

  • 1Division of Hematology-Oncology, Department of Medicine, Moores Cancer Centre, University of California, San Diego, 3855 Health Sciences Drive M/C 0820, La Jolla, California 92093, USA.

Nature Reviews. Disease Primers
|January 20, 2017
PubMed
Summary
This summary is machine-generated.

Chronic lymphocytic leukemia (CLL) involves abnormal B cell growth. Advances in understanding CLL biology and targeted therapies are improving patient identification and treatment strategies.

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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:

  • Hematology
  • Oncology
  • Immunology

Background:

  • Chronic lymphocytic leukemia (CLL) is a cancer of CD5+ B lymphocytes, marked by lymphocyte accumulation in blood, marrow, and lymphoid tissues.
  • CLL pathogenesis involves B cell receptor signaling, genetic alterations, and interactions with the microenvironment, including stromal and T cells.
  • The clinical course of CLL is highly variable, with some patients requiring immediate treatment and others experiencing long-term stability.

Purpose of the Study:

  • To review current understanding of CLL biology and its impact on treatment.
  • To discuss factors influencing CLL management, such as IGHV mutational status and genomic changes.
  • To highlight advances in targeted therapies and their role in managing CLL.

Main Methods:

  • This review synthesizes current research on CLL biology, pathogenesis, and clinical management.
  • It examines the role of B cell receptor signaling, genetic factors, and cellular interactions in CLL.
  • The review discusses prognostic markers and therapeutic strategies, including chemoimmunotherapy and targeted agents like BCL-2 inhibitors.

Main Results:

  • Understanding CLL biology has improved risk stratification and the development of targeted therapies.
  • Prognostic factors like IGHV mutational status guide treatment decisions.
  • Novel therapies targeting B cell receptor signaling and apoptosis offer new treatment avenues.

Conclusions:

  • Advances in CLL research have significantly enhanced the ability to identify high-risk patients.
  • Targeted therapies are transforming CLL treatment by addressing specific molecular and cellular features.
  • This primer provides an overview of how recent discoveries shape the current landscape of CLL understanding and patient care.