Level D· Scientific groundwork from lab and animal studiesNarrative ReviewEurope PMCOpen access

Beyond polarization: macrophage senescence in immunoregulation and cancer therapy

Song M., Zhang L., Dai X., Ji S., Shen J., He W.

Narrative Review, published in Int J Biol Sci (2025) — summary generated from the PubMed abstract.

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Level D· Scientific groundwork from lab and animal studiesEvidence level of this study

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

  • Level A · Stronger Clinical Evidence
  • Level B · Emerging clinical evidence with positive signals
  • Level C · Early human research exploring benefits
  • Level D · Scientific groundwork from lab and animal studies
  • Emerging · Emerging topic under active research
Read the A–D evidence level guide

This page is generated from the PubMed record. The Thai description is an automated summary of bibliographic fields and the abstract, not a full translation, and is not medical advice.

Study type
Narrative Review
Journal
Int J Biol Sci (2025)
Reported sample size
—
Source database
Europe PMC
PMID
40765820
PMCID
PMC12320033
DOI
10.7150/ijbs.115921
Citations
1

Abstract (original English)

Cancer incidence is increasing globally, presenting significant health challenges due to its severe impact on morbidity and mortality. As a disease closely linked to aging, the prevalence of cancer is expected to increase with increasing age, underscoring the need for comprehensive research into its mechanisms and treatments. Macrophages, which are central to the immune system, play a paradoxical dual role in cancer progression. While they can suppress tumor growth, tumor-associated macrophages (TAMs) frequently facilitate tumor development and metastasis, a complexity that is further intricate by the aging process. As macrophages transition into senescent cells, they undergo changes, including shifts in cytokine profiles, reduced phagocytic activity, and altered metabolism. These senescent macrophages contribute to cancer progression by creating an immunosuppressive environment, promoting angiogenesis, and supporting tumor invasion. This review explores the intricate functions of senescent macrophages in cancer, highlighting their implications for tumor biology and their potential as therapeutic targets. We discuss strategies to manipulate senescent macrophages to enhance current cancer therapies, emphasizing the importance of understanding their mechanisms to advance cancer treatment.

What this study does not prove

  • • This study does not prove SVF is an approved treatment or a replacement for standard care.
  • • This is a narrative review: it collects no new patient data and does not systematically appraise evidence quality.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

How we grade evidence
MacrophagesAnimalsHumansNeoplasmsCellular SenescenceTumor-Associated Macrophages

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