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The Outstanding Scientific Achievement Award recognizes distinguished scientific achievement in the field of diabetes, taking into consideration independence of thought and originality. Gregory R. Steinberg, PhD, professor of medicine, Canada Research Chair, J. Bruce Duncan Endowed Chair in Metabolic Diseases, and codirector of the Metabolism and Childhood Obesity Research Program at McMaster University, Hamilton, Ontario, Canada, received the prestigious award at the American Diabetes Association’s 77th Scientific Sessions, 9–13 June 2017, in San Diego, CA. He presented the Outstanding Scientific Achievement Award Lecture, “Cellular Energy Sensing and Metabolism—Implications for Treating Diabetes,” on Monday, 12 June 2017. The survival of all cells is dependent on the constant challenge to match energetic demands with nutrient availability, a task that is mediated through a highly conserved network of metabolic fuel sensors that orchestrate both cellular and whole-organism energy balance. A mismatch between cellular energy demand and nutrient availability is a key factor contributing to the development of type 2 diabetes; thus, understanding the fundamental mechanisms by which cells sense nutrient availability and demand may lead to the development of new treatments. Glucose-lowering therapies, such as caloric restriction, exercise, and metformin, all induce an energetic challenge that results in the activation of the cellular energy sensor AMP-activated protein kinase (AMPK). Activation of AMPK in turn suppresses lipid synthesis and inflammation while increasing glucose uptake, fatty acid oxidation, and mitochondrial function. In contrast, high levels of nutrient availability suppress AMPK activity while also increasing the production of peripheral serotonin, a gut-derived endocrine factor that suppresses β-adrenergic–induced activation of brown adipose tissue. Identifying new ways to manipulate these two ancient fuel gauges by activating AMPK and inhibiting peripheral serotonin may lead to the development of new therapies for treating type 2 diabetes.

Cellular Energy Sensing and Metabolism—Implications for Treating Diabetes: The 2017 Outstanding Scientific Achievement Award Lecture