个人简介

Professor Mierke received his B.S. degrees in Chemistry and in Biological Sciences from the University of California, Irvine in 1984. He received his Ph.D. in 1988 working with Professor Murray Goodman at the University of California, San Diego. Postdoctoral studies took him to the Biopolymer Research Institute in Padova and as a Fulbright Scholar from 1990 - 1993 to work with Horst Kessler at the Technical University of Munich. Professor Mierke joined the faculty at University of Massachusetts, Medical School (Dept Pharmacology) and Clark University (Dept. Chemistry) in 1993. He moved to take up positions in Chemistry and Molecular Pharmacology at Brown University in 1998, then came to Dartmouth in 2007.

研究领域

biophysical chemistry /high resolution nmr /peptide hormone structure and function

Research in our laboratory aims to establish the structural basis of the mechanism of action of different peptide hormones. Particular emphasis has been placed on delineation of the interaction of the hormones with their G-protein coupled receptors employing a combination of spectroscopic techniques (NMR, EPR, fluorescence, CD), photoaffinity labeling, and extensive computer simulations. The structures provided from these efforts have facilitated the rational design of molecules with enhanced potency, receptor specificity, and duration of action. Our laboratory is also targeting molecular scaffolds, multidomain proteins that regulate transmembrane receptor trafficking and lifetime as possible targets for cystic fibrosis, osteoporosis, and drug addiction. High-resolution NMR methods provide structural features of the protein domains, both while free and bound to the target receptor. Using novel computational approaches, this information is used to design and optimize small molecule inhibitors of the protein/receptor association.

近期论文

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Ahn KH, Bertalovitz, AC, Mierke DF, Kendall DA. (2009) Dual role of the second extracellular loop of the cannabinoid receptor 1: ligand binding and receptor localization. Mol Pharmacol. 76 833-42. PMID. 19643997 Thomas BE, Sharma S, Mierke DF, Rosenblatt M. (2009) Parathyroid Hormone (PTH) and PTH Antagonist Induce Different Conformational Changes in the PTHR1 Receptor. J Bone Miner Res. 24 925-34. PMID. 19063682 Ahn KH, Pellegrini M, Tsomaia N, Yatawara AK, Kendall DA, Mierke DF. (2009) Structural analysis of the human cannabinoid receptor one carboxyl-terminus identifies two amphipathic helices. Biopolymers 91565-73. PMID. 19274719 Thomas, B., Woznica, I., Mierke, DF, Wittelsberger, A., Rosenblatt, M (2008) Conformational changes in the PTH receptor associated with activation by agonist. Mol Endocrinol. 22 1154-62. PMID 18258686 Monahan, P., Thomas, B., Wittelsberger, A., Mierke, DF, Rosenblatt, M. (2008) Mapping peptide hormone-receptor interactions using a disulfide-trapping approach. Biochemistry.47 5889-95. PMID 18459800 Famous, KR, Kumarsian, V., Sadri-Kakili, G, Schmidt, HD, Mierke, DF, Cha, J., Pierce, C. (2008) Phosphorylation-dependent trafficking of GluR2-containing AMPA receptors in the nucleus accumbens plays a critical role in the reinstatement of cocaine seeking. J Neurosci., 28, 11061-70. PMID 18945913. Assil-Kishawi I, Samra TA, Mierke DF, Abou-Samra AB. (2008) Residue 17 of sauvagine cross-links to the first transmembrane domain of corticotropin-releasing factor receptor 1 (CRFR1). J Biol Chem. 283, 35644-51. PMID 18955489 Wittelsberger, A., Mierke, DF, Rosenblatt, M (2008) Mapping ligand-receptor interfaces: approaching the resolution limit of benzophenone-based photoaffinity scanning. Chem. Biol. Drug Des. 71, 380-383.