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Related Concept Videos

Immunological Memory01:23

Immunological Memory

565
Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
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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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T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

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T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...
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Tumor Immunotherapy01:27

Tumor Immunotherapy

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Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
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Cancer Stem Cells and Tumor Maintenance02:40

Cancer Stem Cells and Tumor Maintenance

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Early diagnosis and treatment can often cure cancer. However, even with treatment, residual cells called cancer stem cells (CSC) might remain, often causing tumor recurrence. These cancer stem cells possess the potential for self-renewal and multi-lineage differentiation and are often responsible for the therapeutic resistance displayed in most cancers.
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
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Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

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Overview
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Resident memory T cells and cancer.

Noah Veis Gavil1, Katarina Cheng2, David Masopust1

  • 1Department of Microbiology and Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA; Center for Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA.

Immunity
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Summary

Tissue-resident memory T (TRM) cells improve cancer survival, but their anti-tumor effects remain unclear. This review explores TRM cell biology, cancer roles, and therapeutic strategies, highlighting research gaps.

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Area of Science:

  • Immunology
  • Oncology
  • Cell Biology

Background:

  • Tissue-resident memory T (TRM) cells are crucial for adaptive immunity and tissue surveillance.
  • TRM cells are increasingly recognized for their association with improved patient survival in various cancers.
  • The precise mechanisms by which TRM cells exert anti-tumor effects are not fully elucidated.

Purpose of the Study:

  • To reconcile the observed correlation between TRM cells and cancer survival with their underlying anti-tumor mechanisms.
  • To provide a comprehensive overview of TRM cell biology in the context of cancer immunosurveillance.
  • To discuss emerging applications of TRM cells in cancer diagnostics, staging, and therapy.

Main Methods:

  • This review synthesizes existing literature on T cell immunosurveillance, TRM cell biology, and clinical data.
  • It integrates findings on the role of TRM cells in cancer and immunotherapy outcomes.
  • Emerging strategies and challenges in the field are discussed.

Main Results:

  • TRM cells are implicated in anti-tumor immunity, though specific mechanisms require further investigation.
  • Clinical observations consistently link TRM cell presence with better cancer prognosis and immunotherapy response.
  • Novel strategies are being developed to leverage TRM cells for clinical applications.

Conclusions:

  • Understanding TRM cell function is critical for improving cancer patient outcomes.
  • Standardizing TRM cell nomenclature and clarifying marker-biology relationships are key research priorities.
  • Further research into TRM cell biology and therapeutic manipulation holds significant promise for cancer treatment.