L. Goodyear

Publications310
h-index89
Citations31,645
Highly Influential Citations1,506
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Role of AMP-activated protein kinase in mechanism of metformin action.
Metformin is a widely used drug for treatment of type 2 diabetes with no defined cellular mechanism of action. Its glucose-lowering effect results from decreased hepatic glucose production and… Expand
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A muscle-specific insulin receptor knockout exhibits features of the metabolic syndrome of NIDDM without altering glucose tolerance.
Skeletal muscle insulin resistance is among the earliest detectable defects in humans with type 2 diabetes mellitus. To determine the contribution of muscle insulin resistance to the metabolic… Expand
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Exercise, glucose transport, and insulin sensitivity.
Physical exercise can be an important adjunct in the treatment of both non-insulin-dependent diabetes mellitus and insulin-dependent diabetes mellitus. Over the past several years, considerable… Expand
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Discovery of TBC1D1 as an Insulin-, AICAR-, and Contraction-stimulated Signaling Nexus in Mouse Skeletal Muscle*
The Akt substrate of 160 kDa (AS160) is phosphorylated on Akt substrate (PAS) motifs in response to insulin and contraction in skeletal muscle, regulating glucose uptake. Here we discovered a… Expand
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Brown adipose tissue regulates glucose homeostasis and insulin sensitivity.
Brown adipose tissue (BAT) is known to function in the dissipation of chemical energy in response to cold or excess feeding, and also has the capacity to modulate energy balance. To test the… Expand
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Diet and exercise signals regulate SIRT3 and activate AMPK and PGC-1α in skeletal muscle
SIRT3 is a member of the sirtuin family of NAD+-dependent deacetylases, which is localized to the mitochondria and is enriched in kidney, brown adipose tissue, heart, and other metabolically active… Expand
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Free fatty acid-induced insulin resistance is associated with activation of protein kinase C theta and alterations in the insulin signaling cascade.
To examine the mechanism by which free fatty acids (FFAs) induce insulin resistance in vivo, awake chronically catheterized rats underwent a hyperinsulinemic-euglycemic clamp with or without a 5-h… Expand
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AS160 Regulates Insulin- and Contraction-stimulated Glucose Uptake in Mouse Skeletal Muscle*
Insulin and contraction are potent stimulators of GLUT4 translocation and increase skeletal muscle glucose uptake. We recently identified the Rab GTPase-activating protein (GAP) AS160 as a putative… Expand
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Evidence for 5′AMP-Activated Protein Kinase Mediation of the Effect of Muscle Contraction on Glucose Transport
The intracellular signaling proteins that lead to exercise-stimulated glucose transport in skeletal muscle have not been identified, although it is clear that there are separate signaling mechanisms… Expand
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Distinct Signals Regulate AS160 Phosphorylation in Response to Insulin, AICAR, and Contraction in Mouse Skeletal Muscle
Insulin and contraction increase GLUT4 translocation in skeletal muscle via distinct signaling mechanisms. Akt substrate of 160 kDa (AS160) mediates insulin-stimulated GLUT4 translocation in L6… Expand
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