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Insulin Resistance and Cancer

Clinical and molecular evidence

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Handbook of Oxidative Stress in Cancer: Mechanistic Aspects

Abstract

Insulin is a peptide hormone that mediates both metabolic and mitogenic effects, and impaired insulin signaling leads to insulin resistance with compensatory hyperinsulinemia.

Insulin resistance and hyperinsulinemia are common attributes to obesity, hypertension, and type 2 diabetes mellitus. All these conditions have been associated with an increased probability of cancer, especially liver, pancreas, prostate, and colorectal cancer. Hyperinsulinemia can drive oncogenesis through an alteration of the activity of several intracellular pathways and increasing cell proliferation. Besides, the inflammatory state elicited by insulin resistance is a determinant in malignization and cancer progression through the overproduction of cytokines and oxygen free radicals that could harm DNA and proteins, contributing to mutagenesis and carcinogenesis. Therefore, sustained high levels of glucose and high levels of reactive oxygen species (ROS) could increase the risk of cancer.

Compared with other types of diabetes treatments, the insulin-sensitizing drug metformin has been shown to decrease cancer incidence. Also, epidemiologic surveys have suggested a relationship between the treatment of insulin resistance and cancer risk; however, these studies are not conclusive, and further evaluation of this relationship is required.

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Correspondence to Adriana Monroy or Silvestre Alavez .

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© 2021 Springer Nature Singapore Pte Ltd.

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Monroy, A., Gómez-Laguna, L., Aranda-Flores, C.E., Alavez, S. (2021). Insulin Resistance and Cancer. In: Chakraborti, S., Ray, B.K., Roychowdhury, S. (eds) Handbook of Oxidative Stress in Cancer: Mechanistic Aspects. Springer, Singapore. https://doi.org/10.1007/978-981-15-4501-6_147-1

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  • DOI: https://doi.org/10.1007/978-981-15-4501-6_147-1

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-15-4501-6

  • Online ISBN: 978-981-15-4501-6

  • eBook Packages: Springer Reference Biomedicine and Life SciencesReference Module Biomedical and Life Sciences

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