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Lawrence Mandarino, Ph.D. Director, Center for Metabolic Biology Professor and Chair, Department of Kinesiology Office ISTB1-481H Phone 480-965-3483 FAX 480-727-6183 Lawrence.mandarino@asu.edu Your personal web site |
| About: |
Lawrence Mandarino arrived at ASU in December, 2004, to become the Chair of Kinesiology and the Director of the Center for Metabolic Biology, an interdisciplinary Center designed to bring together basic and clinical scientists to understand the mechanisms responsible for insulin resistance, type 2 diabetes mellitus, and cardiovascular disease. Before coming to ASU, Dr. Mandarino spent more than 12 years at the University of Texas Health Science Center at San Antonio in the Departments of Medicine, Biochemistry, and Physiology. He has held faculty appointments at the University of Pittsburgh and the University of California, San Diego, after performing a postdoctoral fellowship in Endocrinology at the Mayo Clinic.
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| Research: |
Research in the Mandarino laboratory focuses on the molecular mechanisms responsible for insulin resistance in human skeletal muscle. Of particular interest are the roles of mitochondrial dysfunction and the regulation of IRS-1 (Insulin Receptor Substrate-1) function. Experimental systems employed to study these issues include a wide variety of appropriate techniques, ranging from in vivo methods to assess human metabolic events, such as the euglycemic hyperinsulinemic clamp, muscle biopsies, arterial catheterizations, and use of stable isotopes to assess metabolic rates to cell culture and molecular biology techniques for addressing questions of insulin signaling. The Proteomics Laboratory, with modern and highly powerful mass spectrometers that can be used for a variety of proteomics techniques, provides especially critical ability to analyze protein phosphorylation. Dr. Mandarino’s research has been supported by the National Institutes of Health for over 20 years, and he has over 100 publications in peer-reviewed journals.
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| Selected
Publications: |
1. Luo M, Reyna S, Wang L, Yi Z, Carroll C, Dong
LQ, Langlais P, Weintraub ST, Mandarino LJ.
Identification of
Insulin Receptor Substrate 1 serine/threonine phosphorylation sites
using mass spectrometry analysis: Regulatory role of serine 1223.
Endocrinology 146: 4410-4416, 2005. 2. Yi Z, Luo M, Carroll CA, Weintraub ST, Mandarino LJ. Identification of phosphorylation sites in insulin receptor substrate-1 by hypothesis-driven high performance liquid chromatography-electrospray ionization tandem mass spectrometry. Analytical Chemistry 77: 5693-5699, 2005. 3. Bajaj M, Suraamornkul S, Romanelli A, Cline GW, Mandarino LJ, Shulman GI, Defronzo RA. Effect of a Sustained Reduction in Plasma Free Fatty Acid Concentration on Intramuscular Long-Chain Fatty Acyl-CoAs and Insulin Action in Type 2 Diabetic Patients. Diabetes 54: 3148-3153, 2005. 4. Sriwijitkamol Piradee, Ivy John L, Christ-Roberts Christine, DeFronzo Ralph A, J Mandarino Lawrence, and Musi Nicolas. LKB1-AMPK Signaling in Muscle from Obese Insulin Resistant Zucker Rats and Effects of Training. Am. J. Physiol, Dec 2005. 5. Sriwijitkamol A, Christ-Roberts C, Berria R, Eagan P, Pratipanawatr T, DeFronzo RA, Mandarino LJ, Musi N. Reduced skeletal muscle inhibitor of kappaB beta content is associated with insulin resistance in subjects with type 2 diabetes: reversal by exercise training. Diabetes. 2006 Mar;55(3):760-7. 6. Yi Z, Luo M, Mandarino LJ, Reyna SM, Carroll CA, Weintraub ST. Quantification of Phosphorylation of Insulin Receptor Substrate-1 by HPLC-ESI-MS/MS. J Am Soc Mass Spectrom. 2006 Apr;17(4):562-7.
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