T cell exhaustion in parasitic infections - Summary - MDSpire
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Impairment of T cell Function in Chronic Parasitic Infections

  • By

  • Ge Gao

  • Hao Wang

  • Rafeezul Mohamed

  • Yinming Liang

  • September 4, 2026

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Objective:

To summarize current knowledge of the mechanisms underlying T cell exhaustion in chronic parasitic infections and to identify unresolved questions for future research.

Approach:
  • Overview of T cell exhaustion: The article reviews the characteristics and mechanisms of T cell exhaustion, particularly in the context of chronic parasitic infections.
  • Comparison with chronic viral infections: It contrasts the exhaustion induced by parasitic infections with that seen in chronic viral infections, highlighting distinct features.
Key Findings:
  • T cell exhaustion is characterized by progressive functional impairment due to sustained antigenic stimulation.
  • Exhausted T cells exhibit increased expression of multiple inhibitory receptors and altered metabolic activity.
  • The functional decline of CD8+ T cells occurs in a hierarchical manner, with specific effector functions lost over time.
  • Persistent expression of inhibitory receptors in exhausted T cells may indicate a reversible condition.
Limitations:
  • The review identifies several important questions that remain unresolved in the field of T cell exhaustion and parasitic infections.

Original Source(s)

T cell exhaustion in parasitic infections

  • by Ge Gao, Hao Wang, Rafeezul Mohamed, Yinming Liang

  • September 4, 2026

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