Abstract
Insulin resistance is a major phenotype observed in nonalcoholic steatohepatitis (NASH), the advanced stage of nonalcoholic fatty liver disease (NAFLD). Insulin resistance in NASH is characterized by reductions in whole body, hepatic, and adipose tissue insulin sensitivity. The mechanisms underlying hepatic insulin resistance is primarily associated with hepatic glucose production (HGP) rate. Hepatic insulin resistance can also be a consequence or a driving factor of hepatic lipid accumulation by increasing free fatty acid synthesis, delivery, and catabolism. The common method to assess hepatic insulin resistance is to measure hepatic glucose production (HGP) using isotope tracer distribution technique. However, non-radioactive approaches have been developed to assess hepatic insulin resistance in the context of NASH. In this chapter, we describe the methods to evaluate hepatic insulin resistance in animal models of NASH by examining insulin sensitivity and glucose tolerance as well as the key molecules in hepatic insulin signaling pathways.
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Acknowledgments
This work was partly supported by National Institutes of Health (NIH) under Grant DK090313 and DK126908 (to K.Z.).
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Kim, H., Zhang, D., Song, Z., Tong, X., Zhang, K. (2022). Analysis of Insulin Resistance in Nonalcoholic Steatohepatitis. In: Sarkar, D. (eds) Non-Alcoholic Steatohepatitis. Methods in Molecular Biology, vol 2455. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-2128-8_18
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DOI: https://doi.org/10.1007/978-1-0716-2128-8_18
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