[NMR paper] Determination of glucose exchange rates and permeability of erythrocyte membrane in preeclampsia and subsequent oxidative stress-related protein damage using dynamic-(19)F-NMR.
Determination of glucose exchange rates and permeability of erythrocyte membrane in preeclampsia and subsequent oxidative stress-related protein damage using dynamic-(19)F-NMR.
Related ArticlesDetermination of glucose exchange rates and permeability of erythrocyte membrane in preeclampsia and subsequent oxidative stress-related protein damage using dynamic-(19)F-NMR.
J Biomol NMR. 2017 Feb 21;:
Authors: Dickinson E, Arnold JR, Fisher J
Abstract
The cause of the pregnancy condition preeclampsia (PE) is thought to be endothelial dysfunction caused by oxidative stress. As abnormal glucose tolerance has also been associated with PE, we use a fluorinated-mimic of this metabolite to establish whether any oxidative damage to lipids and proteins in the erythrocyte membrane has increased cell membrane permeability. Data were acquired using (19)F Dynamic-NMR (DNMR) to measure exchange of 3-fluoro-3-deoxyglucose (3-FDG) across the membrane of erythrocytes from 10 pregnant women (5 healthy control women, and 5 from women suffering from PE). Magnetisation transfer was measured using the 1D selective inversion and 2D EXSY pulse sequences, over a range of time delays. Integrated intensities from these experiments were used in matrix diagonalisation to estimate the values of the rate constants of exchange and membrane permeability. No significant differences were observed for the rate of exchange of 3-FDG and membrane permeability between healthy pregnant women and those suffering from PE, leading us to conclude that no oxidative damage had occurred at this carrier-protein site in the membrane.
PMID: 28224261 [PubMed - as supplied by publisher]
Determination of glucose exchange rates and permeability of erythrocyte membrane in preeclampsia and subsequent oxidative stress-related protein damage using dynamic- 19 F-NMR
Determination of glucose exchange rates and permeability of erythrocyte membrane in preeclampsia and subsequent oxidative stress-related protein damage using dynamic- 19 F-NMR
Abstract
The cause of the pregnancy condition preeclampsia (PE) is thought to be endothelial dysfunction caused by oxidative stress. As abnormal glucose tolerance has also been associated with PE, we use a fluorinated-mimic of this metabolite to establish whether any oxidative damage to lipids and proteins in the erythrocyte membrane has increased cell membrane permeability....
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[NMR paper] Determination of muscle protein synthesis rates in fish using (2)H2O and (2)H NMR analysis of alanine.
Determination of muscle protein synthesis rates in fish using (2)H2O and (2)H NMR analysis of alanine.
Related Articles Determination of muscle protein synthesis rates in fish using (2)H2O and (2)H NMR analysis of alanine.
Anal Biochem. 2016 Jul 11;
Authors: Marques C, Viegas F, Rito J, Jones J, Viegas I
Abstract
Following administration of deuterated water ((2)H2O), the fractional synthetic rate (FSR) of a given endogenous protein can be estimated by (2)H-enrichment quantification of its alanine residues. Currently, this is...
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[NMR paper] 1H NMR Based Targeted Metabolite Profiling for Understanding the Complex Relationship Connecting Oxidative Stress with Endometriosis.
1H NMR Based Targeted Metabolite Profiling for Understanding the Complex Relationship Connecting Oxidative Stress with Endometriosis.
1H NMR Based Targeted Metabolite Profiling for Understanding the Complex Relationship Connecting Oxidative Stress with Endometriosis.
Biomed Res Int. 2013;2013:329058
Authors: Jana SK, Dutta M, Joshi M, Srivastava S, Chakravarty B, Chaudhury K
Abstract
Accumulating evidence indicates the active role of oxidative stress in the development of endometriosis; however, the mechanism of reactive oxygen species...
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08-29-2013 01:53 PM
[NMR paper] NMR-based metabolomics of urine in a mouse model of Alzheimer's disease: identification of oxidative stress biomarkers.
NMR-based metabolomics of urine in a mouse model of Alzheimer's disease: identification of oxidative stress biomarkers.
Related Articles NMR-based metabolomics of urine in a mouse model of Alzheimer's disease: identification of oxidative stress biomarkers.
J Clin Biochem Nutr. 2013 Mar;52(2):133-8
Authors: Fukuhara K, Ohno A, Ota Y, Senoo Y, Maekawa K, Okuda H, Kurihara M, Okuno A, Niida S, Saito Y, Takikawa O
Abstract
Alzheimer's disease (AD) is the most common cause of neurodegenerative dementia among elderly patients. A biomarker...
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03-26-2013 01:30 PM
Quantification of protein backbone hydrogen-deuterium exchange rates by solid state N
Quantification of protein backbone hydrogen-deuterium exchange rates by solid state NMR spectroscopy
Abstract We present the quantification of backbone amide hydrogen-deuterium exchange rates (HDX) for immobilized proteins. The experiments make use of the deuterium isotope effect on the amide nitrogen chemical shift, as well as on proton dilution by deuteration. We find that backbone amides in the microcrystalline α-spectrin SH3 domain exchange rather slowly with the solvent (with exchange rates negligible within the individual 15Nâ??T 1 timescales). We observed chemical exchange for 6...
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Quantification of protein backbone hydrogen-deuterium exchange rates by solid state N
Quantification of protein backbone hydrogen-deuterium exchange rates by solid state NMR spectroscopy.
Related Articles Quantification of protein backbone hydrogen-deuterium exchange rates by solid state NMR spectroscopy.
J Biomol NMR. 2010 Oct 20;
Authors: Del Amo JM, Fink U, Reif B
We present the quantification of backbone amide hydrogen-deuterium exchange rates (HDX) for immobilized proteins. The experiments make use of the deuterium isotope effect on the amide nitrogen chemical shift, as well as on proton dilution by deuteration. We find that...
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[NMR paper] Human recombinant [C22A] FK506-binding protein amide hydrogen exchange rates from mas
Human recombinant FK506-binding protein amide hydrogen exchange rates from mass spectrometry match and extend those from NMR.
http://www.ncbi.nlm.nih.gov/corehtml/query/egifs/http:--www3.interscience.wiley.com-aboutus-images-wiley_interscience_pubmed_logo_FREE_120x27.gif http://www.ncbi.nlm.nih.gov/corehtml/query/egifs/http:--www.pubmedcentral.nih.gov-corehtml-pmc-pmcgifs-pubmed-pmc.gif Related Articles Human recombinant FK506-binding protein amide hydrogen exchange rates from mass spectrometry match and extend those from NMR.
Protein Sci. 1997 Oct;6(10):2203-17
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[NMR paper] NMR study of the selective inhibition of water permeability of rat erythrocyte membra
NMR study of the selective inhibition of water permeability of rat erythrocyte membrane.
Related Articles NMR study of the selective inhibition of water permeability of rat erythrocyte membrane.
Biosci Rep. 1995 Feb;15(1):55-63
Authors: Petcu I, Lupu M, Grosescu R
The inhibition of water diffusion across the rat erythrocyte membrane was studied by NMR using two basically different types of inhibitory agents: PCMB and in vivo irradiation. The contribution of lipid and protein to water permeability revealed the inhibitory effect of each pathway....
Determination of glucose exchange rates and permeability of erythrocyte membrane in preeclampsia and subsequent oxidative stress-related protein damage using dynamic-(19)F-NMR.
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