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Related Concept Videos

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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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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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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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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Functions of the Lymphatic and Immune System01:28

Functions of the Lymphatic and Immune System

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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.
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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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Related Experiment Video

Updated: Jun 15, 2025

Isolating Central Nervous System Tissues and Associated Meninges for the Downstream Analysis of Immune cells
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Tertiary lymphoid structures in the central nervous system.

Chao Yang1, Yu-Xiang Cai2, Ze-Fen Wang3

  • 1Department of Neurosurgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China.

Trends in Molecular Medicine
|November 22, 2024
PubMed
Summary
This summary is machine-generated.

Tertiary lymphoid structures (TLSs) in chronic inflammation sites can impact disease progression. This review explores their role in central nervous system (CNS) disorders, offering insights into new therapies and biomarkers.

Keywords:
central nervous systemgliomaimmunotherapymultiple sclerosisspinal cord injurytertiary lymphoid structures

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Collection and Processing of Lymph Nodes from Large Animals for RNA Analysis: Preparing for Lymph Node Transcriptomic Studies of Large Animal Species
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Area of Science:

  • Immunology
  • Neurology
  • Oncology

Background:

  • Tertiary lymphoid structures (TLSs) are hallmarks of chronic inflammation.
  • TLSs are linked to advanced multiple sclerosis (MS) but show promise in glioma models.
  • Their role in central nervous system (CNS) disorders requires further investigation.

Purpose of the Study:

  • To review the clinical significance of TLSs in CNS disorders.
  • To evaluate TLSs' impact on prognosis and treatment response.
  • To discuss TLS-directed therapies and their underlying molecular mechanisms.

Main Methods:

  • Literature review of studies on TLSs in CNS disorders.
  • Analysis of clinical data correlating TLSs with disease outcomes.
  • Evaluation of preclinical models of TLSs in CNS diseases.

Main Results:

  • TLSs have differential impacts on prognosis and treatment response in CNS disorders.
  • Tumor-associated TLSs in glioma models correlate with better treatment outcomes.
  • TLSs are implicated in both detrimental and beneficial roles in CNS conditions.

Conclusions:

  • TLSs represent potential therapeutic targets and biomarkers for CNS disorders.
  • Understanding TLS development mechanisms is crucial for novel treatment strategies.
  • Further research into TLS-directed therapies may improve patient prognosis and treatment efficacy.