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Related Concept Videos

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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The hematopoietic stem cells or HSCs are multipotent, meaning they can differentiate and give rise to all blood and immune cells. HSCs are maintained in the quiescent stage until an external stimulus initiates their differentiation. The multipotent HSCs exist as two heterogeneous populations, long-term repopulating cells (LTRC) and short-term repopulating cells (STRC). The two HSC populations have different surface markers or receptors and are classified based on quiescence and long-term...
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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.
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Related Experiment Video

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Stem cell-like memory T cells: A perspective from the dark side.

Shujun Gao1, Xiuting Liang2, Hui Wang1

  • 1Reproductive Sciences Institute, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China; Department of Immunology, School of Medicine, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China.

Cellular Immunology
|January 10, 2021
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Summary
This summary is machine-generated.

Stem cell-like memory T (TSCM) cells have dual roles in cancer therapy and autoimmune diseases. Understanding their signaling pathways is key to developing new treatments for immune memory-related conditions.

Keywords:
Autoimmune diseasesCell-targeted therapyHIVImmune memoryRegulatory pathwaysStem cell-like memory T cells

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Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Stem cell-like memory T (TSCM) cells are a subset of memory T cells with significant self-renewal and differentiation potential.
  • These cells are crucial for adoptive cancer therapy but also implicated in persistent autoimmune diseases and HIV reservoirs due to their long-lived immune memory.

Purpose of the Study:

  • To review the phenotypic and functional characteristics of TSCM cells.
  • To discuss the involvement of TSCM cells in autoimmune diseases and chronic HIV-1 infection.
  • To explore signaling pathways regulating TSCM cell function and potential therapeutic strategies targeting these cells.

Main Methods:

  • This review synthesizes current research on TSCM cell biology.
  • It analyzes the roles of Wnt, AMPK/mTOR, and NF-κB signaling pathways in TSCM cell regulation.
  • It examines the implications of TSCM cells in disease pathogenesis and therapeutic interventions.

Main Results:

  • TSCM cells possess unique properties beneficial for cancer immunotherapy.
  • Dysregulation of TSCM cells contributes to the pathology of autoimmune disorders and establishes long-term HIV reservoirs.
  • Key signaling pathways (Wnt, AMPK/mTOR, NF-κB) critically influence TSCM cell fate and function.

Conclusions:

  • Targeting TSCM cells and their associated signaling pathways offers promising therapeutic avenues for managing autoimmune diseases and HIV-1 infection.
  • Further research into TSCM cell mechanisms can lead to improved strategies for suppressing pathogenic immune memory and enhancing anti-tumor immunity.