Stanley L. Hazen, M.D., Ph.D.

Chairman
The Jan Bleeksma Chair in Vascular Cell Biology and Atherosclerosis

Lerner Research Institute
9500 Euclid Avenue
Cleveland, Ohio 44195
Location:NC1-127
hazens@ccf.org
Phone: (216) 445-9763
Fax: (216) 444-9404



A long term goal of my laboratory is to understand mechanisms through which inflammation contributes to diseases like atherosclerosis and asthma. Several major research programs are currently under investigation. One research program focuses on the role of myeloperoxidase, a leukocyte heme protein, in promoting oxidant stress in vivo, and its participation in cardiovascular diseases. A second area focuses on HDL structure and function. A final area of research interest focuses on the role of intestinal microbiota in cardiometabolic disease.

All research projects rely heavily on chemical and analytical methods to identify specific reactions/products, their mechanisms of formation, and their use as probes to elaborate pathways responsible for disease. Research efforts in each program span from bench-to-bedside, including basic/genetic, cellular, animal model, andhuman clinicalinvestigations.

In other words ...

A long term goal of my laboratory is to understand the ways in which our immune system contributes to diseases like heart disease and asthma. I have several major areas of focus. One centers on the role of myeloperoxidase, a protein found in white blood cells that plays an important role in fighting infections, but which we have discovered also participates in development of heart diseases. A second area focuses on the role of microbes in our intestines (called gut flora) in heart disease. Another area focuses on the HDL particle (carrier of good cholesterol in the blood). 


Experimental data and computational models for downloading

Articles:

1) The refined structure of nascent HDL reveals a key functional domain for particle maturation and dysfunction

Wu, Z.; Wagner, M. A.; Zheng, L.; Parks, J. S.; Shy II, J. M.; Smith, J. D.; Gogonea, V.; Hazen, S. L. Nat. Struct. Mol. Biol. 14, 861-8 (2007).

Computational model:

1a) All-atom molecular model of the Solar Flares model of nascent HDL (PDB file) liked to nHDL_SF.pdb

Also available at mi.caspur.it (accession code PM0074956)


2) The double super helix model of high density lipoprotein

Wu, Z.; Gogonea, V.; Lee, X.; Wagner, M. A.; Li, X.-M.; Huang, Y.; Arundhati, U.; May, R. P.; Haertlein, M.; Moulin, M.; Gutsche, I.; Zaccai, G.; DiDonato, J.; Hazen, S. L. J. Biol. Chem. 284, 36605-19 (2009).

Experimental data and computational models:

  2a) Small angle neutron scattering intensities for the protein component of nascent HDL (12 % D2O, collected at the Institute Laue-Langevin, Grenoble, France) linked to nHDL_12_D2O_ILL.dat

2b)The solution low-resolution structure of the protein component of nascent HDL obtained by small angle neutron scattering with contrast variation (12 % D2O, ILL data, PDB file) linked to nHDL_12_D2O_ILL.pdb

  2c) Small angle neutron scattering intensities for the lipid component of nascent HDL (42 % D2O, collected at the Institute Laue-Langevin, Grenoble, France) linked to nHDL_42_D2O_ILL.dat
2d)The solution low-resolution structure of the lipid component of nascent HDL obtained by small angle neutron scattering with contrast variation (42 % D2O, ILL data, PDB file) linked to nHDL_42_D2O_ILL.pdb

2e) The Double Super Helix model of nascent HDL (PDB file) linked to 3K2S.pdb

Also available at www.rcsb.org (accession code 3K2S)


3) Congruency between biophysical data from multiple platforms and molecular dynamics simulation of the double super helix model of nascent high-density lipoprotein

Gogonea, V.; Wu, Z.; Lee, X.; Pipich, V.; Li, X.-M., Ioffe, I. A.; DiDonato, J.; Hazen, S. L. Biochemistry, 49, 7323-43 (2010).

Experimental and computational models, and data calculated from simulation trajectory:

  3a) Small angle neutron scattering intensities for the protein component of nascent HDL (12 % D2O, collected at the Jülich Center for Neutron Science, Garching, Germany) linked to nHDL_12_D2O_JCNS.dat

3b) The solution low-resolution structure of the protein component of nascent HDL obtained by small angle neutron scattering with contrast variation (12 % D2O, JCNS data, PDB file) linked to nHDL_12_D2O_JCNS_L.pdb

Mirror image of the solution low-resolution structure of the protein component of nascent HDL (PDB file) linked to nHDL_12_D2O_JCNS_R.pdb

  3c) Small angle neutron scattering intensities for the lipid component of nascent HDL (42 % D2O, collected at the Jülich Center for Neutron Science, Garching, Germany) linked to nHDL_42_D2O_JCNS.dat
3d) The solution low-resolution structure of the lipid component of nascent HDL obtained by small angle neutron scattering with contrast variation (42 % D2O, JCNS data, PDB file) linked to nHDL_42_D2O_JCNS.pdb
3e) Molecular model of nascent HDL obtained after 60 ns molecular dynamics simulation of the Double Super Helix model (PDB file) linked to nHDL_DSH_60ns.pdb
  3f) Hydrogen-deuterium exchange data (HD incorporation factors, residue unfolding constants, HD exchange rate constants) calculated from the molecular dynamics simulation trajectory of the Double Super Helix model (excel format) linked to DSHsimulation_HDXdata.xls

4) The low resolution structure of ApoA1 in spherical high density lipoprotein revealed by small angle neutron scattering

Wu, Z.; Gogonea, V.; Lee, X.; May, R.P.; Pipich, V.; Wagner, M.A.; Undurti, A.; Tallant, T. C.; Baleanu-Gogonea, C.; Charlton, F.; Ioffe, I. A.; DiDonato, J.A.; Rye, K.-A.; Hazen, S. L. J. Biol. Chem., 286, 12495-508 (2011).

Low resolution structures:

  4a) Small angle neutron scattering intensities for the protein component of spherical HDL (12 % D2O) linked to sHDL_12_D2O.dat

4b) The solution low-resolution structure of the protein component of spherical HDL obtained by small angle neutron scattering with contrast variation (12 % D2O, PDB file) linked to sHDL_12_D2O.pdb

  4c) Small angle neutron scattering intensities for the lipid component of spherical HDL (42 % D2O) linked to sHDL_42_D2O.dat
4d) The solution low-resolution structure of the lipid component of spherical HDL obtained by small angle neutron scattering with contrast variation (42 % D2O, PDB file) linked to sHDL_42_D2O.pdb

5) The low resolution structure of nascent high density lipoprotein reconstituted with DMPC with and without cholesterol reveals a mechanism for particle expansion

Gogonea, V.; Gerstenecker, G. S.; Wu, Z.; Lee, X.; Topbas, C.; Wagner, M. A.; Tallant, T. C.; Smith J. D.; Callow, P.; Pipich, V.; Malet, H.; Schoehn, G.; DiDonato, J. A.; Hazen, S. L. J. Lipid Res., in print.

Low resolution structures and computational model:

  5a) Small angle neutron scattering intensities for the protein component of nascent HDL/DMPC (12 % D2O) linked to nHDL_DMPC_12_D2O.dat
11

5b) The solution low-resolution structure of the protein component of nascent HDL/DMPC obtained by small angle neutron scattering with contrast variation (12 % D2O, PDB file) linked to nHDL_DMPC_12_D2O.pdb

  5c) Small angle neutron scattering intensities for the lipid component of nascent HDL/DMPC (42 % D2O) linked to nHDL_DMPC_42_D2O.dat
12 5d) The solution low-resolution structure of the lipid component of nascent HDL/DMPC obtained by small angle neutron scattering with contrast variation (42 % D2O, PDB file) linked to nHDL_DMPC_42_D2O.pdb
13 5e) Molecular model of nascent HDL/DMPC obtained from the low resolution structures of the protein and lipid components of nascent HDL/DMPC (PDB file) linked to nHDL_DMPC_model.pdb
  5f) Small angle neutron scattering intensities for the protein component of nascent HDL/DMPC+Chol (12 % D2O) linked to nHDL_DMPC+Chol_12_D2O.dat
14 5g) The solution low-resolution structure of the protein component of nascent HDL/DMPC+Chol obtained by small angle neutron scattering with contrast variation (12 % D2O, PDB file) linked to nHDL_DMPC+Chol_12_D2O.pdb
  5h) Small angle neutron scattering intensities for the lipid component of nascent HDL/DMPC+Chol (42 % D2O) linked to nHDL_DMPC+Chol_42_D2O.dat
5i) The solution low-resolution structure of the lipid component of nascent HDL/DMPC+Chol obtained by small angle neutron scattering with contrast variation (42 % D2O, PDB file) linked to nHDL_DMPC+Chol_42_D2O.pdb
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  1. Wang Z, Klipfell E, Bennett BJ, Koeth R, Levison BS, Dugar B, Feldstein AE, Britt EB, Fu X, Chung YM, Wu Y, Schauer P, Smith JD, Allayee H, Tang WHW, DiDonato JA, Lusis AJ, Hazen SL. Gut flora metabolism of phosphatidylcholine promotes cardiovascular disease. Nature.(2011) 472(7341):57-63. PMCID: PMC3086762
  2. Tang WH, Wang Z, Levison BS, Koeth RA, Britt EB, Fu X, Wu Y, Hazen SL. Intestinal Microbial Metabolism of Phosphatidylcholine and Cardiovascular Risk. New England Journal of  Medicine. (2013) 368(17):1575-84. PMCID: PMC3701945
  3. Koeth RA, Wang Z, Levison BS, Buffa J, Org E, Sheehy B, Li  H, Britt EB, Fu X, Wu Y, Smith JD, DiDonato JA, Chen J, Li H, Wu G, Lewis JD, Warrier M, Brown, JM, Krauss RM, Tang WH, Bushman FD, Lusis AJ, and Hazen SL. Intestinal microbiota metabolism of L-Carnitine, a nutrient in red meat, promotes atherosclerosis. Nature Medicine. (2013) 19(5): 576-85. PMCID: PMC36501111
  4. Huang Y, Didonato JA, Levison BS, Schmitt D, Li L, Wu Y, Buffa J, Kim T, Gerstenecker GS, Gu X, Kadiyala CS, Wang Z, Culley MK, Hazen JE, Didonato AJ, Fu X, Berisha SZ, Peng D, Nguyen TT, Liang S, Chuang CC, Cho L, Plow EF, Fox PL, Gogonea V, Tang WH, Parks JS, Fisher EA, Smith JD, Hazen SL. An abundant dysfunctional apolipoprotein A1 form in human atheroma. Nature Medicine. (2014) 20(2):193-203. PMCID: PMC3923163
  5. Gregory JC, Buffa JA, Org E, Wang Z, Levison BS, Zhu W, Wagner MA, Bennett BJ, Li L, DiDonato JA, Lusis AJ, Hazen SL. Transmission of Atherosclerosis Susceptibility with Gut Microbial Transplantation. The Journal of Biological Chemistry. (2015) 290(9):5647-60 PMCID: PMC4342477
  6. Tang WHW, Wang Z, Kennedy DJ, Wu Y, Buffa J, Agatisa-Boyle B, Li XS, Levison BS, Hazen SL. The Gut Microbiota-Dependent Trimethylamine N-oxide (TMAO) Pathway Contributes to both Development of Renal Insufficiency and Mortality Risk in Chronic Kidney Disease. Circulation Research. (2015) 116(3):448-55 PMCID: PMC4312512