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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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Cells of the Adaptive Immune Response01:23

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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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Introduction to Lymphatic and Immune System01:23

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Immunity is a crucial biological concept about our body's inherent capacity to prevent infections and diseases. A complex network of cells and tissues collectively known as the immune system facilitates this natural defense mechanism. The immune system plays an integral role in maintaining our health and well-being, shielding us from potential health threats.
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Cells of the Innate Immune Response01:28

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The innate immune response is an immediate and non-specific response against pathogens, acting swiftly to prevent the spread of infections. The primary cells involved in this response are phagocytes and natural killer (NK) cells.
Phagocytes
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Introduction to Innate and Adaptive Immunity01:21

Introduction to Innate and Adaptive Immunity

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The human immune system is a complex defense mechanism that protects the body from harmful pathogens and foreign substances. It comprises two crucial components: innate and adaptive immunity.
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Secondary Lymphoid Organs01:15

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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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Updated: Mar 26, 2026

Isolation of Group 2 Innate Lymphoid Cells from Mouse Nasal Mucosa to Detect the Expression of CD226
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Human innate lymphoid cells.

Elisa Montaldo1, Paola Vacca2, Chiara Vitale3

  • 1U.O.C. Clinical and Experimental Immunology, IRCCS Giannina Gaslini Institute, Genova, Italy.

Immunology Letters
|February 5, 2016
PubMed
Summary

Innate lymphoid cells (ILCs) protect the body but human development remains unclear. This review covers mature human ILC functions and emerging data on their development, offering insights into immune cell regulation.

Keywords:
HSCTILCILC developmentNK cell differentiationNK cells

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Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Innate lymphoid cells (ILCs) are crucial for immunity and tissue health.
  • While mouse ILCs are well-studied, human ILC development is less understood.
  • Mature human ILC subsets are identified, with roles in disease pathogenesis emerging.

Purpose of the Study:

  • To review current knowledge on mature human ILC subsets.
  • To discuss the tissue localization and functions of human ILCs.
  • To summarize available data on human ILC development.

Main Methods:

  • Literature review of recent findings on human ILCs.
  • Synthesis of data on ILC tissue distribution and function.
  • Compilation of information on human ILC developmental pathways.

Main Results:

  • All mature human ILC subsets have been characterized.
  • Human ILCs play roles in host defense and tissue homeostasis.
  • Limited data exists on the developmental pathways of human ILCs, with only precursors for NK cells and ILC3s described.

Conclusions:

  • Human ILCs are vital immune cells with diverse functions.
  • Further research into human ILC development is critical.
  • Understanding ILC development will advance knowledge of immune regulation and disease pathogenesis.