The sympathetic nervous system shapes the tumor microenvironment to impair chemotherapy response

Annabel V Manoleras1, Erica K Sloan1, Aeson Chang1

  • 1Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC, Australia.

Frontiers in Oncology
|October 9, 2024
PubMed

Insights

The sympathetic nervous system (SNS) can negatively impact chemotherapy effectiveness in solid tumors. Blocking neural signals may improve patient responses to cancer treatment.

Area of Science:

  • Oncology
  • Neuroscience
  • Cancer Biology

Background:

  • The tumor microenvironment significantly affects cancer progression and treatment outcomes.
  • The sympathetic nervous system (SNS) is increasingly recognized as a key component within solid tumors.
  • Emerging evidence suggests the SNS plays a role in modulating the efficacy of cancer therapies.

Purpose of the Study:

  • To review the evidence linking the SNS to impaired chemotherapy efficacy.
  • To explore the mechanisms by which neural signaling influences treatment outcomes.
  • To discuss clinical implications for targeting the SNS to enhance chemotherapy response.

Main Methods:

  • Literature review of studies investigating neural ablation and chemotherapy outcomes.
  • Analysis of proposed mechanisms for neural signaling's impact on chemotherapy.
  • Discussion of clinical applications for blocking neural pathways.

Main Results:

  • Evidence indicates that the SNS can reduce the effectiveness of chemotherapy.
  • Studies involving neural ablation show potential improvements in chemotherapy outcomes.
  • Plausible mechanisms involve neural signaling pathways affecting cancer cells and treatment response.

Conclusions:

  • The sympathetic nervous system (SNS) represents a significant factor in chemotherapy resistance.
  • Targeting neural signaling presents a potential strategy to overcome treatment resistance.
  • Further research and clinical trials are warranted to explore anti-neural therapies for cancer treatment.

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