Cancer, Inflammation, and Metabolism: A Metabolic Engineering® Perspective

Key Takeaways

  • Cancer is often described as a chronic inflammatory condition driven by metabolic changes inside cells.
  • Conventional cancer therapies kill tumor cells but can leave behind inflammatory cellular debris.
  • Cancer treatments can also create senescent cells, which may accelerate aging and inflammation.
  • AMPK activation plays a key role in regulating metabolism and suppressing pathways linked to tumor growth.
  • Metabolic Engineering® uses diet, omega-3 fatty acids, and polyphenols to help regulate metabolism and reduce inflammation.
  • Implementing this metabolic strategy may help support tissue repair after cancer treatment.

The Metabolic Connection to Cancer

Cancer can be considered a “wound that never heals.”

This description reflects the persistent inflammatory state associated with many cancers.

Cancer cells undergo a significant reprogramming of their metabolism in order to sustain rapid growth and enable the spread of tumors (metastasis) to other organs. These metabolic changes allow cancer cells to consume energy differently from normal cells while promoting continued cellular proliferation.

Chronic inflammation and disrupted metabolic signaling are therefore central features of cancer development and progression.

The Traditional Medical Approach to Cancer

Most conventional cancer treatments are designed to destroy cancer cells directly.

Chemotherapy and other cancer drugs typically work by causing the death of tumor cells. However, this process can create large amounts of cellular debris at the tumor site.

That debris can become a persistent source of inflammation if it is not efficiently cleared by the body.

Cancer treatments can also cause surrounding healthy cells to become senescent cells—cells that no longer function normally but remain metabolically active. These senescent cells contribute to chronic inflammation and may accelerate aging across multiple organs in the body.

The Metabolic Engineering® Approach

The goal of Metabolic Engineering® is to reduce cellular inflammation by improving metabolic regulation.

A key component of this process is the activation of AMPK (AMP-activated protein kinase), often referred to as the master regulator of metabolism. Increased AMPK activity can reduce the activity of other gene transcription factors such as mTOR, which are associated with increased tumor growth (1).

The foundation of Metabolic Engineering® is the Zone diet, which promotes calorie restriction without hunger or fatigue. Calorie restriction is receiving increasing scientific attention as a potential strategy in cancer prevention and treatment (2).

Several additional metabolic mechanisms may also support recovery following cancer treatment:

  • Omega-3 fatty acids generate specialized molecules called resolvins, which can help accelerate the removal of cellular debris following cancer therapy in animal models (3, 4).
  • Polyphenols have been shown to help modulate oxidative stress and inflammation in cancer biology (5).

Unfortunately, many cancer treatments generate large numbers of senescent cells as an unintended side effect (6). These cells can contribute to inflammation and tissue dysfunction.

For this reason, implementing Metabolic Engineering® after cancer treatment may help reduce treatment-related inflammation and support the repair of damaged tissue.

Because current cancer therapies can accelerate aging processes, Metabolic Engineering® may serve as a lifelong dietary strategy to help minimize the long-term metabolic consequences of cancer treatment.

References
1. Populo H, Lopes JM, Soares P. IntThe mTOR signaling pathway in human cancer. J Mol Sci. 2012; 13:1886-1918. doi: 10.3390/ijms13021886.

2. Vidoni C, Ferraresi A, Esposito A, Maheshwari C, Dhanasekaran DN, Mollace V, Isidoro C.J Calorie restriction for cancer prevention and therapy: Mechanisms, expectations, and efficacy.  Cancer Prev. 2021; 26:224-236. doi: 10.15430/JCP.2021.26.4.224

3. Sulciner ML, Serhan CN, Gilligan MM, Mudge DK, Chang J, Gartung A, Lehner KA, Bielenberg DR, Schmidt B, Dalli J, Greene ER, Gus-Brautbar Y, Piwowarski J, Mammoto T, Zurakowski D, Perretti M, Sukhatme VP, Kaipainen A, Kieran MW, Huang S, Panigrahy D.J Resolvins suppress tumor growth and enhance cancer therapy. Exp Med. 2018; 215:115-140. doi: 10.1084/jem.20170681.

4. Fishbein A, Hammock BD, Serhan CN, Panigrahy D. Carcinogenesis:  Failure of resolution of inflammation?  Pharmacol Ther. 2021; 218:107670.doi: 10.1016/j.pharmthera.2020.107670.

5. Mileo AM and Miccadei S. Polyphenols as a modulator of oxidative stress in cancer disease: New therapeutic strategies.  Oxid Med Cell Longev. 2016; 2016:6475624. doi: 10.1155/2016/6475624.

6. Xiao S, Qin D, Hou X, Tian L, Yu Y, Zhang R, Lyu H, Guo D, Chen XZ, Zhou C, Tang J.Cellular senescence: A double-edged sword in cancer therapy.  Front Oncol. 2023; 13:1189015. doi: 10.3389/fonc.2023.1189015.

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