Research Topics
| Wolfgang MaretSummaryAffiliation: University of Texas Medical Branch Country: USA Publications
Research Grants
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Detail Information
Publications
Zinc coordination environments in proteins determine zinc functionsWolfgang Maret
Division of Human Nutrition, Departments of Preventive Medicine and Community Health and Anesthesiology, University of Texas Medical Branch, 700 Harborside Drive, Galveston, TX 77555, USA
J Trace Elem Med Biol 19:7-12. 2005..Insights into all these functions are building an understanding of why zinc is so critical for such a multitude of life processes...
Zinc requirements and the risks and benefits of zinc supplementationWolfgang Maret
Department of Preventive Medicine and Community Health, Division of Human Nutrition, University of Texas Medical Branch, 700 Harborside Drive, Galveston, TX 77555, USA
J Trace Elem Med Biol 20:3-18. 2006..In our opinion, a multidisciplinary approach will most likely result in success in this fertile area for translational research...
Metalloproteomics, metalloproteomes, and the annotation of metalloproteinsWolfgang Maret
Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, 700 Harborside Drive, Galveston, TX 77551, USA
Metallomics 2:117-25. 2010..Failure to recognize the principles of metal utilization has led to assigning the wrong metal in metalloproteins and has missed some of the regulatory functions of transition metal ions...
Zinc coordination environments in proteins as redox sensors and signal transducersWolfgang Maret
Department of Preventive Medicine and Community Health, University of Texas Medical Branch, Galveston, 77555, USA
Antioxid Redox Signal 8:1419-41. 2006..Depending on its availability, zinc can be cytoprotective as a pro-antioxidant or cytotoxic as a pro-oxidant. Any condition with acute or chronic oxidative stress is expected to perturb zinc homeostasis...
Cellular zinc and redox buffering capacity of metallothionein/thionein in health and diseaseWolfgang Maret
Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, Texas 77555 1109, USA
Mol Med 13:371-5. 2007..The implications of these fundamental principles for zinc metabolism in type 2 diabetes are briefly discussed...
Zinc and sulfur: a critical biological partnershipWolfgang Maret
Department of Preventive Medicine and Community Health, University of Texas Medical Branch, 700 Harborside Drive, Galveston, Texas 77555, USA
Biochemistry 43:3301-9. 2004
Metallothionein redox biology in the cytoprotective and cytotoxic functions of zincWolfgang Maret
Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, TX 77555 1109, USA
Exp Gerontol 43:363-9. 2008....
A role for metallothionein in the pathogenesis of diabetes and its cardiovascular complicationsWolfgang Maret
Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, 700 Harborside Drive, Galveston, TX 77555, USA
Mol Genet Metab 94:1-3. 2008..Both zinc and metallothionein protect cells against the redox stress that occurs in diabetes and contributes to its progression towards diabetic complications, including heart disease...
Molecular aspects of human cellular zinc homeostasis: redox control of zinc potentials and zinc signalsWolfgang Maret
Department of Preventive Medicine and Community Health, Division of Human Nutrition, The University of Texas Medical Branch, 7Galveston, TX 77555 1109, USA
Biometals 22:149-57. 2009....
Fluorescent probes for the structure and function of metallothioneinWolfgang Maret
Departments of Preventive Medicine and Community Health and Anesthesiology, The University of Texas Medical Branch, Galveston, TX 77555 1109, USA
J Chromatogr B Analyt Technol Biomed Life Sci 877:3378-83. 2009..Attachment of fluorescent labels generated metallothionein FRET (fluorescence resonance energy transfer) sensors for investigating its structure and function in living cells...
Dual nanomolar and picomolar Zn(II) binding properties of metallothioneinArtur Krezel
Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, Texas 77555, USA
J Am Chem Soc 129:10911-21. 2007..These chemical characteristics match cellular requirements for Zn(II) and suggest how the molecular structures and redox chemistries of metallothionein and thionein determine Zn(II) availability for biological processes...
The zinc/thiolate redox biochemistry of metallothionein and the control of zinc ion fluctuations in cell signalingArtur Krezel
Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Division of Human Nutrition, 700 Harborside Drive, Galveston, TX 77555, USA
Arch Biochem Biophys 463:188-200. 2007..At the center of zinc/redox signaling are the zinc/thiolate clusters of metallothionein. They can transduce zinc and redox signals and thereby attenuate or amplify these signals...
The relationship between transient zinc ion fluctuations and redox signaling in the pathways of secondary cellular injury: relevance to traumatic brain injuryYuan Li
Division of Human Nutrition, Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, TX 77555, USA
Brain Res 1330:131-41. 2010..The combined results from the cellular and in vivo investigations caution against interpreting zinc ion fluctuations in the early phase (24h) after injury as a primarily cytotoxic event...
Aldehydes release zinc from proteins. A pathway from oxidative stress/lipid peroxidation to cellular functions of zincQiang Hao
Departments of Preventive Medicine and Community Health and Anesthesiology, The University of Texas Medical Branch, Galveston, TX, USA
FEBS J 273:4300-10. 2006..The zinc-releasing activity of aldehydes establishes relationships among cellular zinc, the functions of endogenous and xenobiotic aldehydes, and redox stress, with implications for pathobiochemical and toxicologic mechanisms...
Different redox states of metallothionein/thionein in biological tissueArtur Krezel
Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, TX 77555, USA
Biochem J 402:551-8. 2007....
Transient fluctuations of intracellular zinc ions in cell proliferationYuan Li
Division of Human Nutrition, Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, TX 77555, USA
Exp Cell Res 315:2463-70. 2009..Interventions targeted at these picomolar Zn(2+) fluctuations may be a way of controlling cell growth in hyperplasia, neoplasia, and diseases associated with aberrant differentiation...
Thionein/metallothionein control Zn(II) availability and the activity of enzymesArtur Krezel
Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, TX 77555, USA
J Biol Inorg Chem 13:401-9. 2008..The match between the Zn(II) buffering capacity of MT and the Zn(II) affinity of proteins suggests a function of MT in controlling cellular Zn(II) availability...
Zinc-buffering capacity of a eukaryotic cell at physiological pZnArtur Krezel
Division of Human Nutrition, Department of Preventive Medicine and Community Health, University of Texas Medical Branch, Galveston, TX 77555, USA
J Biol Inorg Chem 11:1049-62. 2006..Jointly, metallothionein and thionein function as the major zinc buffer under conditions of increased cellular zinc...
Lipid raft-dependent endocytosis of metallothionein in HepG2 cellsQiang Hao
Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, Texas 77555, USA
J Cell Physiol 210:428-35. 2007..Together with results from other studies demonstrating secretion of MT from different cells and the presence of MT in extracellular fluids, the results suggest a function of MT in intercellular communication...
Possible roles of zinc nutriture in the fetal origins of diseaseWolfgang Maret
Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, TX 77555 1109, USA
Exp Gerontol 43:378-81. 2008..We suspect that zinc deficiency is a far greater human health problem than is generally recognized...
Imbalance between pro-oxidant and pro-antioxidant functions of zinc in diseaseQiang Hao
Department of Preventive Medicine and Community Health, University of Texas Medical Branch, Galveston, TX 77555, USA
J Alzheimers Dis 8:161-70; discussion 209-15. 2005....
Meeting report: zinc signals 2007--expanding roles of the free zinc ion in biologyCathleen Frederickson
NeuroBioTex, Galveston, TX 77550, USA
Sci STKE 2007:pe61. 2007....
Zinc and excitotoxic brain injury: a new modelChristopher J Frederickson
NeuroBioTex, Inc, Galveston, Texas 77550, USA
Neuroscientist 10:18-25. 2004..The authors present a new model of zinc currents and zinc toxicity that offers expanded opportunities for zinc-selective therapeutic chelation interventions...
A differential assay for the reduced and oxidized states of metallothionein and thioneinHajo Haase
Department of Pathology, Center for Biochemical and Biophysical Sciences and Medicine, Harvard Medical School, One Kendall Square, Bldg. 600, 3rd Floor, Cambridge, MA 02139, USA
Anal Biochem 333:19-26. 2004..It should also greatly facilitate the characterization of the redox and metal-binding properties of zinc/thiolate coordination environments of other proteins such as zinc finger proteins...
Optical methods for measuring zinc binding and release, zinc coordination environments in zinc finger proteins, and redox sensitivity and activity of zinc-bound thiolsWolfgang Maret
Center for Biochemical and Biophysical Sciences and Medicine, Harvard Medical School, Cambridge, Massachusetts 02139, USA
Methods Enzymol 348:230-7. 2002
A fluorescence resonance energy transfer sensor for the beta-domain of metallothioneinSung-Hye Hong
Center for Biochemical and Biophysical Sciences and Medicine, Harvard Medical School, One Kendall Square, Building 600, 3rd Floor, Cambridge, MA 02139, USA
Proc Natl Acad Sci U S A 100:2255-60. 2003..Energy transfer between Alexa 488 (donor) and Alexa 546 (acceptor) in double-labeled MT allows the monitoring of metal binding and conformational changes in the N-terminal beta-domain of the protein...
S-nitrosothiols react preferentially with zinc thiolate clusters of metallothionein III through transnitrosationYu Chen
Center for Biochemical and Biophysical Sciences and Medicine, Harvard Medical School, One Kendall Square, Building 600, Cambridge, Massachusetts 02139, USA
Biochemistry 41:8360-7. 2002..This could bear importantly on the physiological action of MT-III, whose biological activity as a neuronal growth inhibitory factor is unique, and for brain diseases that have been related to oxidative or nitrosative stress...
Fluctuations of cellular, available zinc modulate insulin signaling via inhibition of protein tyrosine phosphatasesHajo Haase
Center for Biochemical and Biophysical Sciences and Medicine, Department of Pathology, Harvard Medical School, Cambridge, MA 02115, USA
J Trace Elem Med Biol 19:37-42. 2005..In conclusion, a pool of cellular, available zinc participates in phosphorylation/dephosphorylation cascades, suggesting the existence of a cellular signaling system based on zinc as a second messenger...
Cellular zinc and redox states converge in the metallothionein/thionein pairWolfgang Maret
Center for Biochemical and Biophysical Sciences and Medicine, Harvard Medical School, Cambridge, MA 02139, USA
J Nutr 133:1460S-2S. 2003..Thus, hitherto unknown interactions between the essential micronutrients zinc and selenium on the one hand and zinc and redox metabolism on the other are key features of the cellular homeostatic zinc system...
Intracellular zinc fluctuations modulate protein tyrosine phosphatase activity in insulin/insulin-like growth factor-1 signalingHajo Haase
Center for Biochemical and Biophysical Sciences and Medicine, Harvard Medical School, One Kendall Square, Bldg 600, 3rd Floor, Cambridge, MA 02139, USA
Exp Cell Res 291:289-98. 2003..In the context of the emerging concept that intracellular zinc is tightly regulated and fluctuates dynamically, these results suggest that a pool of cellular zinc modulates phosphorylation signaling...
Protein tyrosine phosphatases as targets of the combined insulinomimetic effects of zinc and oxidantsHajo Haase
Institute of Immunology, University Hospital RWTH Aachen, Germany
Biometals 18:333-8. 2005..Zinc deficiency activates stress pathways and may result in a loss of tyrosine phosphatase control, thereby causing insulin resistance...
Metallothionein transfers zinc to mitochondrial aconitase through a direct interaction in mouse heartsWenke Feng
Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
Biochem Biophys Res Commun 332:853-8. 2005..The m-aconitase, not the cytosolic aconitase (c-aconitase), was co-immunoprecipitated with MT. This study demonstrates that MT transfers zinc to m-aconitase through a direct interaction...
The ATP/metallothionein interaction: NMR and STMWolfgang Maret
Center for Biochemical and Biophysical Sciences and Medicine, Harvard Medical School, Seeley G. Mudd Building, 250 Longwood Avenue, Boston, Massachusetts 02115, USA
Biochemistry 41:1689-94. 2002..Both MT and ATP are localized there, and MT and thionein alternately bind and release zinc, thereby affecting mitochondrial respiration...
Research Grants
- Regulation of Celluar Zinc DistributionWolfgang Maret; Fiscal Year: 2004..abstract_text> ..
