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April 12, 2026OncoImmunology0 citationsOpen Access

Restoring dendritic cell migration: a gut reaction to boost vaccine efficacy in aging

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LZLiwei ZhaoOKOliver KeppGKGuido Kroemer

Key Points

  • The study aims to understand how aging affects dendritic cell migration and vaccine responses.
  • Evaluated dendritic cell migration in immunized old mice
  • Assessed vaccine responses quantitatively
  • Administered oral yeast-derived nanoparticles
  • Found defective migration of cDC2 in aging mice
  • Demonstrated restoration of DC migration with nanoparticles
  • Increased humoral and cellular immunity noted with nanoparticle treatment

Abstract

Aging impairs vaccine responses. Dai et al. reported that defective cDC2 migration in immunized old mice, diminishing humoral and cellular immunity. Oral yeast-derived nanoparticles restore DC migration and vaccine efficacy. These findings establish impaired DC migration as a key mechanism of age-related immune decline, introducing a noninvasive strategy to correct immunosenescence.

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Cite This Study

Zhao et al. (2026) studied this question.

synapsesocial.com/papers/69db380f4fe01fead37c6345https://doi.org/10.1080/2162402x.2026.2657070
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