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Antiproliferative, Antiangiogenic, and Antimetastatic Therapy Response by Mangiferin in a Syngeneic Immunocompetent Colorectal Cancer Mouse Model Involves Changes in Mitochondrial Energy Metabolism.

ABSTRACT: In spite of the current advances and achievements in cancer treatments, colorectal cancer (CRC) persists as one of the most prevalent and deadly tumor types in both men and women worldwide. Drug resistance, adverse side effects and high rate of angiogenesis, metastasis and tumor relapse remain one of the greatest challenges in long-term management of CRC and urges need for new leads of anticancer drugs. We demonstrate that CRC treatment with the phytopharmaceutical mangiferin (MGF), a glucosylxanthone present in Mango tree stem bark and leaves (Mangifera Indica L.), induces dose-dependent tumor regression and decreases lung metastasis in a syngeneic immunocompetent allograft mouse model of murine CT26 colon carcinoma, which increases overall survival of mice. Antimetastatic and antiangiogenic MGF effects could be further validated in a wound healing in vitro model in human HT29 cells and in a matrigel plug implant mouse model. Interestingly, transcriptome pathway enrichment analysis demonstrates that MGF inhibits tumor growth, metastasis and angiogenesis by multi-targeting of mitochondrial oxidoreductase and fatty acid β-oxidation metabolism, PPAR, SIRT, NFκB, Stat3, HIF, Wnt and GP6 signaling pathways. MGF effects on fatty acid β-oxidation metabolism and carnitine palmitoyltransferase 1 (CPT1) protein expression could be further confirmed in vitro in human HT29 colon cells. In conclusion, antitumor, antiangiogenic and antimetastatic effects of MGF treatment hold promise to reduce adverse toxicity and to mitigate therapeutic outcome of colorectal cancer treatment by targeting mitochondrial energy metabolism in the tumor microenvironment.

SUBMITTER: Rodriguez-Gonzalez JC

PROVIDER: S-EPMC8678272 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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Antiproliferative, Antiangiogenic, and Antimetastatic Therapy Response by Mangiferin in a Syngeneic Immunocompetent Colorectal Cancer Mouse Model Involves Changes in Mitochondrial Energy Metabolism.

Rodriguez-Gonzalez Julio César JC Hernández-Balmaseda Ivones I Declerck Ken K Pérez-Novo Claudina C Logie Emilie E Theys Claudia C Jakubek Patrycja P Quiñones-Maza Olga Luisa OL Dantas-Cassali Geovanni G Carlos Dos Reis Diego D Van Camp Guy G Lopes Paz Miriam Teresa MT Rodeiro-Guerra Idania I Delgado-Hernández René R Vanden Berghe Wim W

Frontiers in pharmacology 20211203

In spite of the current advances and achievements in cancer treatments, colorectal cancer (CRC) persists as one of the most prevalent and deadly tumor types in both men and women worldwide. Drug resistance, adverse side effects and high rate of angiogenesis, metastasis and tumor relapse remain one of the greatest challenges in long-term management of CRC and urges need for new leads of anticancer drugs. We demonstrate that CRC treatment with the phytopharmaceutical mangiferin (MGF), a glucosylxa ...[more]

PMID: 34924998

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Project description:Colorectal cancer (CRC) is recognized as the third most lethal cancer worldwide. While existing treatment options demonstrate considerable efficacy, they are often constrained by non-selectivity and substantial side effects. Recent studies indicate that lipid metabolism significantly influences carcinogenesis, highlighting it as a promising avenue for developing targeted anticancer therapies. The purpose of the study was to see if acyl-coenzyme A: cholesterol acyltransferase 1 (ACAT1), 3-hydroxy-3-methylglutaryl-CoA reductase (HMGCR), and stearoyl-CoA 9-desaturase (SCD1) are good metabolic targets and whether the use of inhibitors of these enzymes together with 5-fluorouracil (5-FU) would have a synergistic effect on CRC cell viability. To confirm that the correct lipid targets were chosen, the expression levels of ACAT1, HMGCR, and SCD1 were examined in CRC patients and cell models. At first, each compound (Avasimibe, Lovastatin, MF-438, and 5-FU was tested separately, and then each inhibitor was paired with 5-FU to assess the synergistic effect on cell viability. Gene expression of selected enzymes significantly increased in tissue samples obtained from CRC patients and cancer cell lines (HT-29). Inhibition of any of the selected enzymes reduced CRC cell growth in a dose-dependent manner. More importantly, the combination of 5-FU + Avasimibe (an ACAT1 inhibitor) and 5-FU + MF-438 (an SCD1 inhibitor) produced a stronger antiproliferative effect than the inhibitors alone. 5-FU combined either with Avasimibe or MF-438 showed a synergistic effect with an HSA score of 47.00 at a dose of 0.3 + 30 µM, respectively (2.66% viability rate vs. 46%; p < 0.001), and 39.34 at a dose of 0.3 + 0.06 µM (46% vs. 10.33%; p < 0.001), respectively. The association of 5-FU with Lovastatin (HMGCR inhibitor) did not significantly impact CRC cell viability in a synergistic manner. Inhibition of lipid metabolism combined with standard chemotherapy is a promising strategy that reduces CRC cell viability and allows for the use of a lower drug dose. The combination of 5-FU and Avasimibe has the greatest therapeutic potential among studied compounds.

Dataset Information

Antiproliferative, Antiangiogenic, and Antimetastatic Therapy Response by Mangiferin in a Syngeneic Immunocompetent Colorectal Cancer Mouse Model Involves Changes in Mitochondrial Energy Metabolism.

Publications

Antiproliferative, Antiangiogenic, and Antimetastatic Therapy Response by Mangiferin in a Syngeneic Immunocompetent Colorectal Cancer Mouse Model Involves Changes in Mitochondrial Energy Metabolism.

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