School of Public Health and Health Sciences
College of Social and Behavioral Sciences
Health Informatics And Implementation Science
Biostatistics And Health Services Research
Cutler Chair in Vascular and Endovascular Surgery
Melvin S. and Sandra L. Cutler Chair in Biomedical Research
Dr. Henninger is a vascular neurologist with research interest in the neurobiology of axonal injury associated with traumatic brain injury and its contribution to functional outcome.
<Long Text /> Potential Rotation Projects Project #1: Probing the structural basis for cooperativity in a dimeric hemoglobin: Scapharca dimeric hemoglobin is an elegantly simple model system for exploring the structural basis for intersubunit communication. Our analysis to date has established a new paradigm for cooperativity in which tightly bound water molecules are used as sensors for ligand state. In this project, the student will first mutate the gene for the native hemoglobin at a residue that is suspected of playing a role in the intersubunit communication. The mutated protein will then be expressed in E. coli and purified and subjected to functional analysis of oxygen binding. Using conditions already established for the native protein, the mutant hemoglobin will then be crystallized and subjected to preliminary x-ray analysis. This project will provide the student with an introduction to two of the most powerful techniques for investigating the structure and function of proteins: site-directed mutagenesis and x-ray crystallography. Additionally, valuable experience in protein purification will be obtained. Project #2: Structural analysis of the polymerization of sickle-cell hemoglobin Sickle cell disease results from the pathological polymerization of deoxygenated hemoglobin S (ß6E->V) within erythrocytes. This polymerization depends upon a complicated interplay of multiple interactions between tetramers. Our high resolution crystal structure of this molecule has elucidated details of some of the important interactions. Several projects are available for rotation students. These include crystallization of sickle-cell hemoglobin in the presence of an inhibitor to identify its binding site, site-directed mutagenesis of hemoglobin S and crystallization of mutants that show altered polymerization characteristics.
Immediate opening! Two postdoctoral positions are available immediately to study cellular andmolecular mechanisms resulting in immunosuppression after alcohol use. Thefocus of this research is the role of monocytes and dendritic cells indecreased antigen-specific T cell activation after alcohol use.Intracellular signalling mechanisms resulting in decreased NF-kBactivation and inflammatory cytokine induction after acute alcoholconsumption are being investigated. Please contact Dr. Szabo for details.
Imoigele P. Aisiku, MD’97 Chair in Health Equity and Diversity
Barbara Helen Smith Chair in Preventive & Behavioral Medicine
Richard M. Haidack Professor in Medicine
Dr. John Meyers Professor in Primary Care Medicine
Population and Quantitative Health Sciences
Biochemistry and Molecular Biotechnology
UMass Worcester Prevention Research Center
Prevention Research Center at UMass Chan
Tweets by @DrSherryPagoto
Healthcare Delivery and Population Sciences at UMass Chan - Baystate
Preventing Osteoarthritis After an ACL Injury
Preventing Osteoarthritis After an ACL Injury Playing the Long Game: Consensus for Preventing OA
Preventing Osteoarthritis After an ACL Injury Playing the Long Game: Consensus for Preventing OA Characteristics of Accelerated Hand Osteoarthritis
Joseph D. Early Chair in Biomedical Research