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001-es BibID:	BIBFORM029771
Első szerző:	Berényi Ervin (radiológus)
Cím:	Pre-slaughter characteristics of proton nmr relaxation parameters in malignant hyperthermia susceptible pigs / Berenyi, E., Bogner, P., Miseta, A., Kover, G., Horn, P., Wheatley, D. N.
Dátum:	1994
ISSN:	0240-8813
Tárgyszavak:	Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:	Science des Aliments. - 14 : 4 (1994), p. 459-467. -
További szerzők:	Bogner Péter (1963-) (radiológus) Miseta Attila Kövér G. Horn Péter Wheatley, Denys N.
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001-es BibID:	BIBFORM016933
035-os BibID:	(WoS)A1996TM60000004 (Scopus)0029688481
Első szerző:	Bogner Péter (radiológus)
Cím:	Nuclear magnetic resonance relaxation parameters of muscle in malignant hyperthermia-susceptible swine / Péter Bogner, Ervin Berényi, Attila Miseta, Péter Horn, Miklós Kellermayer, Denys N. Wheatley, Ferenc A. Jolesz
Dátum:	1996
ISSN:	1076-6332
Megjegyzések:	Rationale and Objectives. The malignant hyperthermia (MH) syndromeinvolves characteristic changes in metabolism that have a significanteffect on the postmortem properties of muscle tissue. We investigatedthe H-1 nuclear magnetic resonance (MR) relaxation parameters of muscletissue from normal (MH-) and malignant hyperthermia-susceptible (MH+)swine taken before their death to identify whether postmortem metabolicdifferences would be accompanied by changes in relaxation parameters.Methods. Muscle samples from 63 MH-susceptible swine were characterizedby proton MR relaxation times (T1 and T2). The water content, pH,conducting, and the ''subjective meat'' quality were assessed in orderto differentiate the meat into one of three groups: normal,pale-soft-exudative, and dark-firm-dry.Results. The T2 relaxation of MH- and MH+ muscles was significantlydifferent, but no significant changes were detected in the watercontent and corresponding T1 relaxation times.Conclusion. These data suggest that MH-susceptible swine can bedistinguished from normal swine using nuclear MR relaxometry. Theresults of relaxation measurements and the multiexponential analysis ofthe T2 curves suggest a shift between the different water compartmentsduring MH that might predict the increased water loss of muscle tissueafter death.
Tárgyszavak:	Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk
Megjelenés:	Academic Radiology. - 3 : 1 (1996), p. 26-30. -
További szerzők:	Berényi Ervin (1964-) (radiológus) Miseta Attila Horn Péter Kellermayer Miklós Wheatley, Denys N. Jolesz Ferenc A.
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001-es BibID:	BIBFORM016936
035-os BibID:	(WoS)A1993KH71300001 (Scopus)0027396304
Első szerző:	Miseta Attila
Cím:	Relationship between cellular ATP, potassium, sodium and magnesium concentrations in mammalian and avian erythrocytes / Attila Miseta, Péter Bogner, Ervin Berényi, Miklós Kellermayer, Csaba Galambos, Denys N. Wheatley, Ivan L. Cameron
Dátum:	1993
ISSN:	0167-4889
Megjegyzések:	Intracellular K+/Na+ ratios of erythrocytes of various mammalianspecies are known to differ markedly. We have measured ATP, K+, Na+,Mg2+, H2O contents of erythrocytes of twelve mammalian and three avianspecies. Our results indicate that the intracellular ATP concentrationin erythrocytes of different species is in close positive correlationwith the K+/Na+ ratios (linear correlation coefficient, r = 0.852).Furthermore, ATP levels in erythrocytes of individual sheep withdifferent potassium concentrations correspond with their K+/Na+ ratios(r = 0.747). Intracellular magnesium concentrations also correlate withATP concentrations in erythrocytes of different species (r = 0.629) andin different sheep (r = 0.549).
Tárgyszavak:	Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk ATP Potassium Sodium Magnesium K+/Na+ ratio (Mammalian erthrocyte) (Avian erythrocyte)
Megjelenés:	Biochimica et Biophysica Acta (BBA). Molecular Cell Research. - 1175 : 2 (1993), p. 133-139. -
További szerzők:	Bogner Péter (1963-) (radiológus) Berényi Ervin (1964-) (radiológus) Kellermayer Miklós Galambos Csaba Wheatley, Denys N. Cameron, Ivan L.
Internet cím:	Intézményi repozitóriumban (DEA) tárolt változat DOI
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001-es BibID:	BIBFORM016934
035-os BibID:	(WoS)A1994PB60400008 (Scopus)0028252462
Első szerző:	Wheatley, Denys N.
Cím:	Cation distribution in mammalian red blood cells : interspecies and intraspecies relationships between cellular ATP, potassium, sodium and magnesium concentrations / Wheatley D. N., Miseta A., Kellermayer M., Galambos C., Bogner P., Berényi E., Cameron I. L.
Dátum:	1994
ISSN:	0748-6642
Megjegyzések:	The intracellular K+/Na+ ratio of erythrocytes of different mammalianspecies are known to differ markedly. These differences are sustaineddespite plasma potassium and sodium concentrations being almostidentical, i.e. high [Na+] and low [K+], in all mammalian species.Conventional cell theory couples intracellular K+ and Ne concentrationswith Na+/K+-dependent ATPase activity. Ling's Association-Induction(AI) hypothesis couples intracellular K+ and Na+ concentrations withthe concentration of ATP, by way of an inductive adsorption of bothmonovalent cations on the available terminal and lateral carboxylgroups of proteins. Based on the working hypothesis, differentrelationships are expected between the erythrocyte K+ and Na+concentrations and ATP levels.Our results indicate that the intracellular ATP level in erythrocytesof different species corresponds with intracellular K+ and Ne levels,K+/Ne ratios and total K+ + Na+ levels. Similar relationships wererevealed between the erythrocyte ATP and monovalent cation contents ofdifferent individual sheep.
Tárgyszavak:	Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk
Megjelenés:	Physiological Chemistry and Physics and Medical NMR. - 26 : 1 (1994), p. 111-118. -
További szerzők:	Miseta Attila Kellermayer Miklós Galambos Csaba Bogner Péter (1963-) (radiológus) Berényi Ervin (1964-) (radiológus) Cameron, Ivan L.
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