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Absolute Quantification of Phosphor-Containing Metabolites in the Liver Using 31 P MRSI and Hepatic Lipid Volume Correction at 7T Suggests No Dependence on Body Mass Index or Age.

Pfleger L, Gajdošík M, Wolf P, Smajis S, Fellinger P, Kuehne A, Krumpolec P, Trattnig S, Winhofer Y, Krebs M, Krššák M, Chmelík M.

J Magn Reson Imaging. 2019 Feb;49(2):597-607. doi: 10.1002/jmri.26225. Epub 2018 Oct 6.


Effect of Rehabilitation on Fatigue Level in Patients with Multiple Sclerosis.

Mikuľáková W, Klímová E, Kendrová L, Gajdoš M, Chmelík M.

Med Sci Monit. 2018 Aug 18;24:5761-5770. doi: 10.12659/MSM.909183.


Gliptin therapy reduces hepatic and myocardial fat in type 2 diabetic patients.

Kosi-Trebotic L, Thomas A, Harreiter J, Chmelik M, Trattnig S, Kautzky-Willer A.

Eur J Clin Invest. 2017 Nov;47(11):829-838. doi: 10.1111/eci.12817. Epub 2017 Sep 14.


In-vivo31P-MRS of skeletal muscle and liver: A way for non-invasive assessment of their metabolism.

Valkovič L, Chmelík M, Krššák M.

Anal Biochem. 2017 Jul 15;529:193-215. doi: 10.1016/j.ab.2017.01.018. Epub 2017 Jan 21. Review.


Dynamic 31 P-MRSI using spiral spectroscopic imaging can map mitochondrial capacity in muscles of the human calf during plantar flexion exercise at 7 T.

Valkovič L, Chmelík M, Meyerspeer M, Gagoski B, Rodgers CT, Krššák M, Andronesi OC, Trattnig S, Bogner W.

NMR Biomed. 2016 Dec;29(12):1825-1834. doi: 10.1002/nbm.3662. Epub 2016 Nov 8.


(2 + 1)D-CAIPIRINHA accelerated MR spectroscopic imaging of the brain at 7T.

Strasser B, Považan M, Hangel G, Hingerl L, Chmelik M, Gruber S, Trattnig S, Bogner W.

Magn Reson Med. 2017 Aug;78(2):429-440. doi: 10.1002/mrm.26386. Epub 2016 Aug 22.


Skeletal muscle alkaline Pi pool is decreased in overweight-to-obese sedentary subjects and relates to mitochondrial capacity and phosphodiester content.

Valkovič L, Chmelík M, Ukropcová B, Heckmann T, Bogner W, Frollo I, Tschan H, Krebs M, Bachl N, Ukropec J, Trattnig S, Krššák M.

Sci Rep. 2016 Feb 3;6:20087. doi: 10.1038/srep20087.


Efficient Strategies for Calculating Blockwise Likelihoods Under the Coalescent.

Lohse K, Chmelik M, Martin SH, Barton NH.

Genetics. 2016 Feb;202(2):775-86. doi: 10.1534/genetics.115.183814. Epub 2015 Dec 29.


Feasibility and repeatability of localized (31) P-MRS four-angle saturation transfer (FAST) of the human gastrocnemius muscle using a surface coil at 7 T.

Tušek Jelenc M, Chmelík M, Bogner W, Krššák M, Trattnig S, Valkovič L.

NMR Biomed. 2016 Jan;29(1):57-65. doi: 10.1002/nbm.3445.


Improved spectral resolution and high reliability of in vivo (1) H MRS at 7 T allow the characterization of the effect of acute exercise on carnosine in skeletal muscle.

Just Kukurová I, Valkovič L, Ukropec J, de Courten B, Chmelík M, Ukropcová B, Trattnig S, Krššák M.

NMR Biomed. 2016 Jan;29(1):24-32. doi: 10.1002/nbm.3447. Epub 2015 Nov 29.


Lipid suppression via double inversion recovery with symmetric frequency sweep for robust 2D-GRAPPA-accelerated MRSI of the brain at 7 T.

Hangel G, Strasser B, Považan M, Gruber S, Chmelík M, Gajdošík M, Trattnig S, Bogner W.

NMR Biomed. 2015 Nov;28(11):1413-25. doi: 10.1002/nbm.3386. Epub 2015 Sep 15.


Ultrashort-TE stimulated echo acquisition mode (STEAM) improves the quantification of lipids and fatty acid chain unsaturation in the human liver at 7 T.

Gajdošík M, Chadzynski GL, Hangel G, Mlynárik V, Chmelík M, Valkovič L, Bogner W, Pohmann R, Scheffler K, Trattnig S, Krššák M.

NMR Biomed. 2015 Oct;28(10):1283-93. doi: 10.1002/nbm.3382. Epub 2015 Aug 27.


Diffusion-weighted imaging of breast tumours at 3 Tesla and 7 Tesla: a comparison.

Gruber S, Minarikova L, Pinker K, Zaric O, Chmelik M, Strasser B, Baltzer P, Helbich T, Trattnig S, Bogner W.

Eur Radiol. 2016 May;26(5):1466-73. doi: 10.1007/s00330-015-3947-1. Epub 2015 Aug 27.


Mapping of brain macromolecules and their use for spectral processing of (1)H-MRSI data with an ultra-short acquisition delay at 7 T.

Považan M, Hangel G, Strasser B, Gruber S, Chmelik M, Trattnig S, Bogner W.

Neuroimage. 2015 Nov 1;121:126-35. doi: 10.1016/j.neuroimage.2015.07.042. Epub 2015 Jul 22.


Dynamic 31P MR spectroscopy of plantar flexion: influence of ergometer design, magnetic field strength (3 and 7 T), and RF-coil design.

Šedivý P, Kipfelsberger MC, Dezortová M, Krššák M, Drobný M, Chmelík M, Rydlo J, Trattnig S, Hájek M, Valkovič L.

Med Phys. 2015 Apr;42(4):1678-89. doi: 10.1118/1.4914448.


Phosphatidylcholine contributes to in vivo (31)P MRS signal from the human liver.

Chmelík M, Valkovič L, Wolf P, Bogner W, Gajdošík M, Halilbasic E, Gruber S, Trauner M, Krebs M, Trattnig S, Krššák M.

Eur Radiol. 2015 Jul;25(7):2059-66. doi: 10.1007/s00330-014-3578-y. Epub 2015 Jan 11.


Dixon imaging-based partial volume correction improves quantification of choline detected by breast 3D-MRSI.

Minarikova L, Gruber S, Bogner W, Pinker-Domenig K, Baltzer PA, Helbich TH, Trattnig S, Chmelik M.

Eur Radiol. 2015 Mar;25(3):830-6. doi: 10.1007/s00330-014-3425-1. Epub 2014 Sep 14.


Depth-resolved surface coil MRS (DRESS)-localized dynamic (31) P-MRS of the exercising human gastrocnemius muscle at 7 T.

Valkovič L, Chmelík M, Just Kukurová I, Jakubová M, Kipfelsberger MC, Krumpolec P, Tušek Jelenc M, Bogner W, Meyerspeer M, Ukropec J, Frollo I, Ukropcová B, Trattnig S, Krššák M.

NMR Biomed. 2014 Nov;27(11):1346-52. doi: 10.1002/nbm.3196. Epub 2014 Sep 9.


Flip-angle mapping of 31P coils by steady-state MR spectroscopic imaging.

Chmelík M, Považan M, Jírů F, Just Kukurová I, Dezortová M, Krššák M, Bogner W, Hájek M, Trattnig S, Valkovič L.

J Magn Reson Imaging. 2014 Aug;40(2):391-7. doi: 10.1002/jmri.24401. Epub 2013 Nov 4.


Two-dimensional spectroscopic imaging with combined free induction decay and long-TE acquisition (FID echo spectroscopic imaging, FIDESI) for the detection of intramyocellular lipids in calf muscle at 7 T.

Just Kukurova I, Valkovič L, Bogner W, Gajdošík M, Krššák M, Gruber S, Trattnig S, Chmelík M.

NMR Biomed. 2014 Aug;27(8):980-7. doi: 10.1002/nbm.3148. Epub 2014 Jun 9.


Application of localized ³¹P MRS saturation transfer at 7 T for measurement of ATP metabolism in the liver: reproducibility and initial clinical application in patients with non-alcoholic fatty liver disease.

Valkovič L, Gajdošík M, Traussnigg S, Wolf P, Chmelík M, Kienbacher C, Bogner W, Krebs M, Trauner M, Trattnig S, Krššák M.

Eur Radiol. 2014 Jul;24(7):1602-9. doi: 10.1007/s00330-014-3141-x. Epub 2014 Mar 20.


Dynamic contrast-enhanced magnetic resonance imaging of breast tumors at 3 and 7 T: a comparison.

Gruber S, Pinker K, Zaric O, Minarikova L, Chmelik M, Baltzer P, Boubela RN, Helbich T, Bogner W, Trattnig S.

Invest Radiol. 2014 May;49(5):354-62. doi: 10.1097/RLI.0000000000000034.


In vivo (31)P magnetic resonance spectroscopy of the human liver at 7 T: an initial experience.

Chmelik M, Považan M, Krššák M, Gruber S, Tkačov M, Trattnig S, Bogner W.

NMR Biomed. 2014 Apr;27(4):478-85. doi: 10.1002/nbm.3084. Epub 2014 Feb 24.


One-dimensional image-selected in vivo spectroscopy localized phosphorus saturation transfer at 7T.

Valkovič L, Bogner W, Gajdošík M, Považan M, Kukurová IJ, Krššák M, Gruber S, Frollo I, Trattnig S, Chmelík M.

Magn Reson Med. 2014 Dec;72(6):1509-15. doi: 10.1002/mrm.25058. Epub 2014 Jan 27.


In vivo relaxation behavior of liver compounds at 7 Tesla, measured by single-voxel proton MR spectroscopy.

Gajdošík M, Chmelík M, Just-Kukurová I, Bogner W, Valkovič L, Trattnig S, Krššák M.

J Magn Reson Imaging. 2014 Dec;40(6):1365-74. doi: 10.1002/jmri.24489. Epub 2013 Nov 12.


Coil combination of multichannel MRSI data at 7 T: MUSICAL.

Strasser B, Chmelik M, Robinson SD, Hangel G, Gruber S, Trattnig S, Bogner W.

NMR Biomed. 2013 Dec;26(12):1796-805. doi: 10.1002/nbm.3019. Epub 2013 Sep 4.


Lower fasting muscle mitochondrial activity relates to hepatic steatosis in humans.

Szendroedi J, Kaul K, Kloock L, Straßburger K, Schmid AI, Chmelik M, Kacerovsky M, Kacerovsky-Bielesz G, Prikoszovich T, Brehm A, Krssák M, Gruber S, Krebs M, Kautzky-Willer A, Moser E, Pacini G, Roden M.

Diabetes Care. 2014 Feb;37(2):468-74. doi: 10.2337/dc13-1359. Epub 2013 Sep 11.


Interrelation of 31P-MRS metabolism measurements in resting and exercised quadriceps muscle of overweight-to-obese sedentary individuals.

Valkovič L, Ukropcová B, Chmelík M, Baláž M, Bogner W, Schmid AI, Frollo I, Zemková E, Klimeš I, Ukropec J, Trattnig S, Krššák M.

NMR Biomed. 2013 Dec;26(12):1714-22. doi: 10.1002/nbm.3008. Epub 2013 Aug 16.


Fully adiabatic 31P 2D-CSI with reduced chemical shift displacement error at 7 T--GOIA-1D-ISIS/2D-CSI.

Chmelík M, Kukurová IJ, Gruber S, Krššák M, Valkovič L, Trattnig S, Bogner W.

Magn Reson Med. 2013 May;69(5):1233-44. doi: 10.1002/mrm.24363. Epub 2012 Jun 19.


Readout-segmented echo-planar imaging improves the diagnostic performance of diffusion-weighted MR breast examinations at 3.0 T.

Bogner W, Pinker-Domenig K, Bickel H, Chmelik M, Weber M, Helbich TH, Trattnig S, Gruber S.

Radiology. 2012 Apr;263(1):64-76. doi: 10.1148/radiol.12111494.


Fatty liver index predicts further metabolic deteriorations in women with previous gestational diabetes.

Bozkurt L, Göbl CS, Tura A, Chmelik M, Prikoszovich T, Kosi L, Wagner O, Roden M, Pacini G, Gastaldelli A, Kautzky-Willer A.

PLoS One. 2012;7(2):e32710. doi: 10.1371/journal.pone.0032710. Epub 2012 Feb 29.


A single nucleotide polymorphism associates with the response of muscle ATP synthesis to long-term exercise training in relatives of type 2 diabetic humans.

Kacerovsky-Bielesz G, Kacerovsky M, Chmelik M, Farukuoye M, Ling C, Pokan R, Tschan H, Szendroedi J, Schmid AI, Gruber S, Herder C, Wolzt M, Moser E, Pacini G, Smekal G, Groop L, Roden M.

Diabetes Care. 2012 Feb;35(2):350-7. doi: 10.2337/dc11-1426. Epub 2011 Dec 21.


High-resolution mapping of human brain metabolites by free induction decay (1)H MRSI at 7 T.

Bogner W, Gruber S, Trattnig S, Chmelik M.

NMR Biomed. 2012 Jun;25(6):873-82. doi: 10.1002/nbm.1805. Epub 2011 Dec 22.


Time-resolved phosphorous magnetization transfer of the human calf muscle at 3 T and 7 T: a feasibility study.

Valkovič L, Chmelík M, Just Kukurova I, Krššák M, Gruber S, Frollo I, Trattnig S, Bogner W.

Eur J Radiol. 2013 May;82(5):745-51. doi: 10.1016/j.ejrad.2011.09.024. Epub 2011 Dec 10.


Three-dimensional proton MR spectroscopic imaging at 3 T for the differentiation of benign and malignant breast lesions.

Gruber S, Debski BK, Pinker K, Chmelik M, Grabner G, Helbich T, Trattnig S, Bogner W.

Radiology. 2011 Dec;261(3):752-61. doi: 10.1148/radiol.11102096. Epub 2011 Oct 13.


Skeletal muscle phosphodiester content relates to body mass and glycemic control.

Szendroedi J, Schmid AI, Chmelik M, Krssak M, Nowotny P, Prikoszovich T, Kautzky-Willer A, Wolzt M, Waldhäusl W, Roden M.

PLoS One. 2011;6(7):e21846. doi: 10.1371/journal.pone.0021846. Epub 2011 Jul 14.


Postprandial and fasting hepatic glucose fluxes in long-standing type 1 diabetes.

Kacerovsky M, Jones J, Schmid AI, Barosa C, Lettner A, Kacerovsky-Bielesz G, Szendroedi J, Chmelik M, Nowotny P, Chandramouli V, Wolzt M, Roden M.

Diabetes. 2011 Jun;60(6):1752-8. doi: 10.2337/db10-1001. Epub 2011 May 11.


In vivo 31P spectroscopy by fully adiabatic extended image selected in vivo spectroscopy: a comparison between 3 T and 7 T.

Bogner W, Chmelik M, Andronesi OC, Sorensen AG, Trattnig S, Gruber S.

Magn Reson Med. 2011 Oct;66(4):923-30. doi: 10.1002/mrm.22897. Epub 2011 Mar 28.


Liver ATP synthesis is lower and relates to insulin sensitivity in patients with type 2 diabetes.

Schmid AI, Szendroedi J, Chmelik M, Krssák M, Moser E, Roden M.

Diabetes Care. 2011 Feb;34(2):448-53. doi: 10.2337/dc10-1076. Epub 2011 Jan 7.


Impaired insulin stimulation of muscular ATP production in patients with type 1 diabetes.

Kacerovsky M, Brehm A, Chmelik M, Schmid AI, Szendroedi J, Kacerovsky-Bielesz G, Nowotny P, Lettner A, Wolzt M, Jones JG, Roden M.

J Intern Med. 2011 Feb;269(2):189-99. doi: 10.1111/j.1365-2796.2010.02298.x.


Body and liver fat mass rather than muscle mitochondrial function determine glucose metabolism in women with a history of gestational diabetes mellitus.

Prikoszovich T, Winzer C, Schmid AI, Szendroedi J, Chmelik M, Pacini G, Krssák M, Moser E, Funahashi T, Waldhäusl W, Kautzky-Willer A, Roden M.

Diabetes Care. 2011 Feb;34(2):430-6. doi: 10.2337/dc10-1002. Epub 2010 Oct 26.


Vascular function in obese children with non-alcoholic fatty liver disease.

Weghuber D, Roden M, Franz C, Chmelik M, Torabia S, Nowotny P, Gruber S, Waldhäusl W, Klingler A, Bieglmayer C, Bischof M, Wolzt M, Schaller G, Widhalm K.

Int J Pediatr Obes. 2011 Apr;6(2):120-7. doi: 10.3109/17477161003792580. Epub 2010 Oct 15.


Abnormal hepatic energy homeostasis in type 2 diabetes.

Szendroedi J, Chmelik M, Schmid AI, Nowotny P, Brehm A, Krssak M, Moser E, Roden M.

Hepatology. 2009 Oct;50(4):1079-86. doi: 10.1002/hep.23093.


Assessment of (31)P relaxation times in the human calf muscle: a comparison between 3 T and 7 T in vivo.

Bogner W, Chmelik M, Schmid AI, Moser E, Trattnig S, Gruber S.

Magn Reson Med. 2009 Sep;62(3):574-82. doi: 10.1002/mrm.22057.


Short-term exercise training does not stimulate skeletal muscle ATP synthesis in relatives of humans with type 2 diabetes.

Kacerovsky-Bielesz G, Chmelik M, Ling C, Pokan R, Szendroedi J, Farukuoye M, Kacerovsky M, Schmid AI, Gruber S, Wolzt M, Moser E, Pacini G, Smekal G, Groop L, Roden M.

Diabetes. 2009 Jun;58(6):1333-41. doi: 10.2337/db08-1240. Epub 2009 Mar 5.


Reduced basal ATP synthetic flux of skeletal muscle in patients with previous acromegaly.

Szendroedi J, Zwettler E, Schmid AI, Chmelik M, Pacini G, Kacerovsky G, Smekal G, Nowotny P, Wagner O, Schnack C, Schernthaner G, Klaushofer K, Roden M.

PLoS One. 2008;3(12):e3958. doi: 10.1371/journal.pone.0003958. Epub 2008 Dec 18.


Three-dimensional high-resolution magnetic resonance spectroscopic imaging for absolute quantification of 31P metabolites in human liver.

Chmelík M, Schmid AI, Gruber S, Szendroedi J, Krssák M, Trattnig S, Moser E, Roden M.

Magn Reson Med. 2008 Oct;60(4):796-802. doi: 10.1002/mrm.21762.


Metabolic changes in the normal ageing brain: consistent findings from short and long echo time proton spectroscopy.

Gruber S, Pinker K, Riederer F, Chmelík M, Stadlbauer A, Bittsanský M, Mlynárik V, Frey R, Serles W, Bodamer O, Moser E.

Eur J Radiol. 2008 Nov;68(2):320-7. Epub 2007 Oct 25.


Quantitative ATP synthesis in human liver measured by localized 31P spectroscopy using the magnetization transfer experiment.

Schmid AI, Chmelík M, Szendroedi J, Krssák M, Brehm A, Moser E, Roden M.

NMR Biomed. 2008 Jun;21(5):437-43.


Muscle mitochondrial ATP synthesis and glucose transport/phosphorylation in type 2 diabetes.

Szendroedi J, Schmid AI, Chmelik M, Toth C, Brehm A, Krssak M, Nowotny P, Wolzt M, Waldhausl W, Roden M.

PLoS Med. 2007 May;4(5):e154.

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