In vitro chemotherapy-associated muscle toxicity is attenuated with nutritional support, while treatment efficacy is retained.

Liza A Wijler, Francina J Dijk, Hanil Quirindongo, Danielle A E Raats, Bram Dorresteijn, Matthew J W Furber, Anne M May, Onno Kranenburg, Miriam van Dijk

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Abstract

PURPOSE: Muscle-wasting and treatment-related toxicities negatively impact prognosis of colorectal cancer (CRC) patients. Specific nutritional composition might support skeletal muscle and enhance treatment support. In this in vitro study we assess the effect of nutrients EPA, DHA, L-leucine and vitamin D3, as single nutrients or in combination on chemotherapy-treated C2C12-myotubes, and specific CRC-tumor cells.

MATERIALS AND METHODS: Using C2C12-myotubes, the effects of chemotherapy (oxaliplatin, 5-fluorouracil, oxaliplatin+5-fluorouracil and irinotecan) on protein synthesis, cell-viability, caspase-3/7-activity and LDH-activity were assessed. Addition of EPA, DHA, L-leucine and vitamin D3 and their combination (SNCi) were studied in presence of above chemotherapies. Tumor cell-viability was assessed in oxaliplatin-treated C26 and MC38 CRC cells, and in murine and patient-derived CRC-organoids.

RESULTS: While chemotherapy treatment of C2C12-myotubes decreased protein synthesis, cell-viability and increased caspase-3/7 and LDH-activity, SNCi showed improved protein synthesis and cell viability and lowered LDH activity. The nutrient combination SNCi showed a better overall performance compared to the single nutrients. Treatment response of tumor models was not significantly affected by addition of nutrients.

CONCLUSIONS: This in vitro study shows protective effect with specific nutrition composition of C2C12-myotubes against chemotherapy toxicity, which is superior to the single nutrients, while treatment response of tumor cells remained.

Original languageEnglish
Pages (from-to)1094-1108
Number of pages15
JournalOncotarget
Volume13
DOIs
Publication statusPublished - 8 Oct 2022

Keywords

  • C2C12 myotubes
  • chemotherapy
  • chemotherapy-associated toxicity
  • colorectal cancer
  • nutrients
  • tumor (organoid) cells

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