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Related Concept Videos

Primary Lymphoid Organs01:16

Primary Lymphoid Organs

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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.
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...
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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.
The spleen is a vital organ in the lymphatic system, nestled in the upper left side of the abdomen. It is composed of two primary regions: the red pulp and the white pulp, each having distinct functions. The red pulp performs a significant role in blood filtration. It efficiently purges the blood of old or damaged red blood cells and...
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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.
Lymphoid cells consist of various types of immune system cells. These include B and T lymphocytes, which are responsible for producing antibodies and killing infected cells, respectively. Dendritic cells act as messengers between the innate and adaptive...
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Detailed Structure and Function of Lymph Nodes01:23

Detailed Structure and Function of Lymph Nodes

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Lymph nodes are bean-shaped structures that cluster along the lymphatic vessels in the inguinal, axillary, and cervical regions. Each node is divided into compartments by a capsule that extends trabeculae inward.
From a histological perspective, lymph nodes can be split into two main areas: the superficial cortex and the deep medulla. The outer cortex is populated by dendritic cells, macrophages, and B lymphocytes, which are densely packed into follicles. When these B-lymphocytes are presented...
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Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

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The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...
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B Cell Activation and Differentiation01:24

B Cell Activation and Differentiation

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The adaptive immune response, a sophisticated defense mechanism, relies on the activation and differentiation of B lymphocytes, or B cells. These processes enable our bodies to mount a tailored response against specific pathogens such as bacteria, free virus particles, toxins, and parasites.
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
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Related Experiment Video

Updated: Dec 14, 2025

Flow-sorting and Exome Sequencing of the Reed-Sternberg Cells of Classical Hodgkin Lymphoma
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Flow-sorting and Exome Sequencing of the Reed-Sternberg Cells of Classical Hodgkin Lymphoma

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Hodgkin lymphoma.

Joseph M Connors1, Wendy Cozen2, Christian Steidl3

  • 1BC Cancer Centre for Lymphoid Cancer, Vancouver, BC, Canada. jomiconnors@gmail.com.

Nature Reviews. Disease Primers
|July 25, 2020
PubMed
Summary
This summary is machine-generated.

Hodgkin lymphoma (HL) is a B cell cancer affecting young adults, diagnosed via biopsy. Advances in chemotherapy, stem cell transplant, and immunotherapy offer effective treatments for HL, even in recurrent cases.

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Related Experiment Videos

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Area of Science:

  • Oncology
  • Immunology
  • Hematology

Background:

  • Hodgkin lymphoma (HL) is a B cell malignancy with a unique tumor microenvironment.
  • HL incidence peaks in adolescents and young adults but can affect all ages.
  • Diagnosis relies on histological and immunohistochemical analysis for classification into subtypes.

Purpose of the Study:

  • To provide an updated overview of Hodgkin lymphoma.
  • To highlight advancements in HL diagnosis and treatment strategies.
  • To emphasize HL's role in driving cancer research progress.

Main Methods:

  • Review of histological and immunohistochemical diagnostic criteria for HL subtypes.
  • Analysis of treatment outcomes for radiation therapy, chemotherapy, and stem cell transplantation.
  • Evaluation of emerging immunotherapeutic approaches, including antibody-drug conjugates and immune checkpoint inhibitors.

Main Results:

  • Hodgkin lymphoma classification includes classic HL subtypes and nodular lymphocyte-predominant HL.
  • HL is a curable neoplasm, with established efficacy of radiation and multiagent chemotherapy.
  • High-dose chemotherapy with autologous stem cell transplantation is effective for recurrent/refractory disease.
  • Immunotherapies show significant promise in treating advanced HL.

Conclusions:

  • Hodgkin lymphoma research and treatment are at the forefront of oncological advancements.
  • Multimodality therapy aims to balance treatment effectiveness with reduced long-term toxicity.
  • Ongoing research continues to refine HL management, offering hope for improved patient outcomes.