Home General Physiology and Biophysics 2018 General Physiology and Biophysics Vol.37, No.5, p.527–535, 2018

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Founded: 1982
ISSN 1338-4325 (online)
ISSN 0231-5882 (print)
Published in English,
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General Physiology and Biophysics Vol.37, No.5, p.527–535, 2018

Title: Rat liver intoxication with CCl4: biochemistry, histology, and mass spectrometry
Author: O. Otrubova, M. Jerigova, S. Halaszova, L. Turecky, J. Muchova, D. Velic
Abstract: This work provides complex characterisation of cirrhotic rat liver tissue induced by carbon tetrachloride using biochemical and histopathological analyses, and also presents a novel approach, secondary ion mass spectrometry (SIMS). According to our knowledge, this is the first report that compares these three different approaches in study of liver damage. We observed increased levels of triacylglycerols and total cholesterol in the liver and decreased levels of those parameters in the plasma. Histopathological observations include fat accumulation in the cells and changes in internal configuration of cells such as shift of position of organelles from the centre to the edge. The damage to the rat tissue is additionally determined by SIMS analysis, which characterizes, among other substances, diacylglycerols, cholesterol and fatty acids, such as linoleic and oleic acids. Interestingly, unlike other observed particles, a marked difference in SIMS intensity for diacylglycerol C37H69O4 positive fragment at 575.5 m/u was observed. In fact, there was one order of magnitude difference between intoxicated liver samples and controls and this molecular signal seems to be a potential chemical indicator of the damage. The SIMS images are consistent with histopathological results and they additionally provide information about distribution of chemical compound which is a new potential tool for the liver disease characterisation on molecular level.
Keywords: Rat liver, CCl4, Biochemical parameters, Histology, SIMS
Published online: 02-Oct-2018
Year: 2018, Volume: 37, Issue: 5 Page From: 527, Page To: 535
doi:10.4149/gpb_2018011


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