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DNA, protein and lipid oxidative damage in tissues of spontaneously hypertensive versus normotensive rats

Authorized Users Only
2021
Authors
Bruić, Marija
Grujić-Milanović, Jelica
Miloradović, Zoran
Jovović, Đurđica
Živković, Lada
Mihailović-Stanojević, Nevena
Karanović, Danijela
Spremo-Potparević, Biljana
Article (Published version)
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Abstract
Oxidative damage to protein and lipid macromolecules in target organs in hypertension has been recognized as a major factor contributing to cardiovascular, cerebrovascular, and renal diseases. Data on protein and lipid oxidative damage in spontaneously hypertensive rats are numerous, but there is no information on DNA damage in tissues measured by comet assay. The aim of this study was to determine the baseline damage to DNA, protein, and lipid macromolecules in different organs of spontaneously hypertensive rats. Markers of lipid peroxidation, protein oxidation, and DNA damage were measured in blood, heart, kidney, and liver of 24-week-old spontaneously hypertensive rats. Plasma prooxidant and antioxidant status were determined as well. Age-matched normotensive Wistar rats were used as control. A rise in markers of lipid peroxidation and protein oxidation, malondialdehyde, and advanced oxidation protein products, was detected in all tissues of spontaneously hypertensive rats, with par...ticularly high values in the liver. DNA damage, measured by the comet assay, was significantly higher in all the studied tissues of spontaneously hypertensive rats compared to normotensive control, with more severe damage in the cardiac and renal cells. Significant depletion of the plasma antioxidant barrier in spontaneously hypertensive rats was also observed. This study showed increased damage to all macromolecules in all studied samples of spontaneously hypertensive rats in comparison with control Wistar rats.

Keywords:
Comet assay / DNA damage / Hypertension / Oxidative stress / Spontaneously hypertensive rats
Source:
The International Journal of Biochemistry & Cell Biology, 2021, 141, 106088-
Publisher:
  • Elsevier
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200161 (University of Belgrade, Faculty of Pharmacy) (RS-200161)
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200015 (University of Belgrade, Institute for Medical Research) (RS-200015)

DOI: 10.1016/j.biocel.2021.106088

ISSN: 1357-2725

[ Google Scholar ]
URI
http://rimi.imi.bg.ac.rs/handle/123456789/1164
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Institut za medicinska istraživanja
TY  - JOUR
AU  - Bruić, Marija
AU  - Grujić-Milanović, Jelica
AU  - Miloradović, Zoran
AU  - Jovović, Đurđica
AU  - Živković, Lada
AU  - Mihailović-Stanojević, Nevena
AU  - Karanović, Danijela
AU  - Spremo-Potparević, Biljana
PY  - 2021
UR  - http://rimi.imi.bg.ac.rs/handle/123456789/1164
AB  - Oxidative damage to protein and lipid macromolecules in target organs in hypertension has been recognized as a major factor contributing to cardiovascular, cerebrovascular, and renal diseases. Data on protein and lipid oxidative damage in spontaneously hypertensive rats are numerous, but there is no information on DNA damage in tissues measured by comet assay. The aim of this study was to determine the baseline damage to DNA, protein, and lipid macromolecules in different organs of spontaneously hypertensive rats. Markers of lipid peroxidation, protein oxidation, and DNA damage were measured in blood, heart, kidney, and liver of 24-week-old spontaneously hypertensive rats. Plasma prooxidant and antioxidant status were determined as well. Age-matched normotensive Wistar rats were used as control. A rise in markers of lipid peroxidation and protein oxidation, malondialdehyde, and advanced oxidation protein products, was detected in all tissues of spontaneously hypertensive rats, with particularly high values in the liver. DNA damage, measured by the comet assay, was significantly higher in all the studied tissues of spontaneously hypertensive rats compared to normotensive control, with more severe damage in the cardiac and renal cells. Significant depletion of the plasma antioxidant barrier in spontaneously hypertensive rats was also observed. This study showed increased damage to all macromolecules in all studied samples of spontaneously hypertensive rats in comparison with control Wistar rats.
PB  - Elsevier
T2  - The International Journal of Biochemistry & Cell Biology
T1  - DNA, protein and lipid oxidative damage in tissues of spontaneously hypertensive versus normotensive rats
SP  - 106088
VL  - 141
DO  - 10.1016/j.biocel.2021.106088
ER  - 
@article{
author = "Bruić, Marija and Grujić-Milanović, Jelica and Miloradović, Zoran and Jovović, Đurđica and Živković, Lada and Mihailović-Stanojević, Nevena and Karanović, Danijela and Spremo-Potparević, Biljana",
year = "2021",
abstract = "Oxidative damage to protein and lipid macromolecules in target organs in hypertension has been recognized as a major factor contributing to cardiovascular, cerebrovascular, and renal diseases. Data on protein and lipid oxidative damage in spontaneously hypertensive rats are numerous, but there is no information on DNA damage in tissues measured by comet assay. The aim of this study was to determine the baseline damage to DNA, protein, and lipid macromolecules in different organs of spontaneously hypertensive rats. Markers of lipid peroxidation, protein oxidation, and DNA damage were measured in blood, heart, kidney, and liver of 24-week-old spontaneously hypertensive rats. Plasma prooxidant and antioxidant status were determined as well. Age-matched normotensive Wistar rats were used as control. A rise in markers of lipid peroxidation and protein oxidation, malondialdehyde, and advanced oxidation protein products, was detected in all tissues of spontaneously hypertensive rats, with particularly high values in the liver. DNA damage, measured by the comet assay, was significantly higher in all the studied tissues of spontaneously hypertensive rats compared to normotensive control, with more severe damage in the cardiac and renal cells. Significant depletion of the plasma antioxidant barrier in spontaneously hypertensive rats was also observed. This study showed increased damage to all macromolecules in all studied samples of spontaneously hypertensive rats in comparison with control Wistar rats.",
publisher = "Elsevier",
journal = "The International Journal of Biochemistry & Cell Biology",
title = "DNA, protein and lipid oxidative damage in tissues of spontaneously hypertensive versus normotensive rats",
pages = "106088",
volume = "141",
doi = "10.1016/j.biocel.2021.106088"
}
Bruić, M., Grujić-Milanović, J., Miloradović, Z., Jovović, Đ., Živković, L., Mihailović-Stanojević, N., Karanović, D.,& Spremo-Potparević, B.. (2021). DNA, protein and lipid oxidative damage in tissues of spontaneously hypertensive versus normotensive rats. in The International Journal of Biochemistry & Cell Biology
Elsevier., 141, 106088.
https://doi.org/10.1016/j.biocel.2021.106088
Bruić M, Grujić-Milanović J, Miloradović Z, Jovović Đ, Živković L, Mihailović-Stanojević N, Karanović D, Spremo-Potparević B. DNA, protein and lipid oxidative damage in tissues of spontaneously hypertensive versus normotensive rats. in The International Journal of Biochemistry & Cell Biology. 2021;141:106088.
doi:10.1016/j.biocel.2021.106088 .
Bruić, Marija, Grujić-Milanović, Jelica, Miloradović, Zoran, Jovović, Đurđica, Živković, Lada, Mihailović-Stanojević, Nevena, Karanović, Danijela, Spremo-Potparević, Biljana, "DNA, protein and lipid oxidative damage in tissues of spontaneously hypertensive versus normotensive rats" in The International Journal of Biochemistry & Cell Biology, 141 (2021):106088,
https://doi.org/10.1016/j.biocel.2021.106088 . .

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