Cited by 1,296Metabolism, Diabetes, and CancerPancreatic function and diabetesLiver physiology and pathology

Loss of insulin signaling in hepatocytes leads to severe insulin resistance and progressive hepatic dysfunction.

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Michael, M.Dodson, Kulkarni, Rohit N., Postic, Catherine, Previs, Steven F., Shulman, Gerald I., Magnuson, Mark A., Kahn, C.Ronald·2000·Molecular Cell

Abstract

The liver plays a central role in the control of glucose homeostasis and is subject to complex regulation by substrates, insulin, and other hormones. To investigate the effect of the loss of direct insulin action in liver, we have used the Cre-loxP system to inactivate the insulin receptor gene in hepatocytes. Liver-specific insulin receptor knockout (LIRKO) mice exhibit dramatic insulin resistance, severe glucose intolerance, and a failure of insulin to suppress hepatic glucose production and to regulate hepatic gene expression. These alterations are paralleled by marked hyperinsulinemia due to a combination of increased insulin secretion and decreased insulin clearance. With aging, the LIRKO liver exhibits morphological and functional changes, and the metabolic phenotype becomes less severe. Thus, insulin signaling in liver is critical in regulating glucose homeostasis and maintaining normal hepatic function.

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Crossref · 10.1016/s1097-2765(05)00015-8

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  • Liver-specific insulin receptor knockout (LIRKO) mice develop insulin resistance, glucose intolerance, impaired insulin suppression of hepatic glucose production, and altered patterns of hepatic gene expression.

    “For example, liver-specific insulin receptor knockout (LIRKO) mice develop insulin resistance, glucose intolerance, impaired insulin suppression of hepatic glucose production, and altered patterns of hepatic gene expression (208).”

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Authors
Michael, M. D., Kulkarni, R. N., Postic, C., Previs, S. F., Shulman, G. I., Magnuson, M. A., & Kahn, C. R.
Affiliations
  • Joslin Diabetes Center (US)
  • Vanderbilt University (US)
  • Yale University (US)
Corresponding author
Kahn, C.Ronald
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2000-07
Volume
6
Issue
1
Pages
87-97
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2118688616
Cited by
1,296
References
82
Citations by year
2026: 12 · 2025: 24 · 2024: 47 · 2023: 37 · 2022: 45 · 2021: 56 · 2020: 46 · 2019: 60 · 2018: 64 · 2017: 66 · 2016: 60 · 2015: 73 · 2014: 61 · 2013: 64 · 2012: 68
FWCI
13.76
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • School of Medicine, Vanderbilt University
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK031036, P01DK042502, R01DK040936, F32DK009825)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
Keywords
insulin resistance, insulin signaling, hepatocytes, insulin receptor, liver-specific knockout, glucose homeostasis, hepatic glucose production, hyperinsulinemia, insulin secretion, insulin clearance, hepatic gene expression, aging, liver dysfunction
MeSH terms
Aging, Animals, Glucose, Homeostasis, Insulin, Insulin Resistance, Liver, Mice, Inbred C57BL, Microscopy, Electron, Receptor, Insulin, Signal Transduction, Mice, Knockout, Mice

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