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Related Concept Videos

Lymphoid Cells and Tissues01:18

Lymphoid Cells and Tissues

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...
Disorders of Leukocytes01:27

Disorders of Leukocytes

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 system...
Functions of the Lymphatic and Immune System01:28

Functions of the Lymphatic and Immune System

The lymphatic system plays a crucial role in bolstering our immune system. It consists of a network of lymphoid organs, lymph, and lymphatic vessels that provide structural and functional support in safeguarding the body against pathogens such as viruses and bacteria.
The primary lymphoid organs, including the bone marrow and the thymus, serve as the maturation sites for lymphocytes. Secondary lymphoid organs, like the mucosa-associated lymphoid tissue, activate these lymphocytes and serve as...
Secondary Lymphoid Organs01:15

Secondary Lymphoid Organs

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...
Primary Lymphoid Organs01:16

Primary Lymphoid Organs

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...
Immunodeficiency Diseases01:25

Immunodeficiency Diseases

Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency disorders...

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Related Experiment Video

Updated: Jun 23, 2026

Detection of Invasive Pulmonary Aspergillosis in Haematological Malignancy Patients by using Lateral-flow Technology
08:01

Detection of Invasive Pulmonary Aspergillosis in Haematological Malignancy Patients by using Lateral-flow Technology

Published on: March 22, 2012

[Lymphomas and infections].

Felipe Suarez1, Marc Lecuit

  • 1Université Paris-Descartes, 75006 Paris, France. felipe.suarez@nck.aphp.fr

La Revue Du Praticien
|May 5, 2009
PubMed
Summary
This summary is machine-generated.

The incidence of non-Hodgkin lymphoma (NHL) has increased significantly. Identifying and eradicating associated infections may lead to tumor regression, offering a novel therapeutic approach.

Related Experiment Videos

Last Updated: Jun 23, 2026

Detection of Invasive Pulmonary Aspergillosis in Haematological Malignancy Patients by using Lateral-flow Technology
08:01

Detection of Invasive Pulmonary Aspergillosis in Haematological Malignancy Patients by using Lateral-flow Technology

Published on: March 22, 2012

Area of Science:

  • Oncology
  • Infectious Diseases
  • Cell Biology

Context:

  • Non-Hodgkin lymphoma (NHL) incidence has more than doubled in 20 years.
  • Malignant transformation involves increased cellular proliferation and/or inhibited apoptosis.
  • Infectious agents are increasingly implicated in NHL development.

Purpose:

  • To explore the role of infectious agents in non-Hodgkin lymphoma pathogenesis.
  • To highlight the link between viral and bacterial infections and lymphoid transformation.
  • To emphasize the potential for pathogen eradication in NHL treatment.

Summary:

  • Lymphotropic viruses like Epstein-Barr virus can directly interfere with cellular homeostasis, promoting lymphoid transformation.
  • Chronic infections by non-lymphotropic pathogens, such as Helicobacter pylori, can induce sustained lymphoid proliferation, increasing NHL risk.
  • Identifying associated infections is crucial, as antimicrobial therapy may lead to tumor regression.

Impact:

  • This research underscores the importance of considering infectious etiologies in non-Hodgkin lymphoma.
  • It suggests that antimicrobial treatment could be a viable therapeutic strategy for specific NHL subtypes.
  • Understanding these pathogen-host interactions may open new avenues for NHL prevention and management.