Association of oxidative stress and PON1 with LDL and HDL particle size in middle-aged subjects
Samo za registrovane korisnike
2007
Autori
Vekić, JelenaKotur-Stevuljević, Jelena
Jelić-Ivanović, Zorana
Spasić, S.
Spasojević-Kalimanovska, Vesna
Topić, Aleksandra
Zeljković, Aleksandra
Stefanović, A.
Zunić, G.
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentuApstrakt
Background Alterations in plasma lipoprotein subclass distributions affect atherosclerosis risk. Smaller, denser low-density lipoprotein (LDL) particles (sdLDL) are more susceptible to oxidation. In contrast, most of the protective effects of high-density lipoproteins (HDL) are attributable to larger particles. This study investigates the connection between LDL and HDL particle heterogeneity and oxidative stress, antioxidative defence (AOD) and paraoxonase (PON1) status in a healthy middle-aged Serbian population. Materials and methods LDL and HDL particle sizes and subclass distributions were measured by gradient gel electrophoresis in 104 men and 103 women, aged 53 +/- 9.4 years. PON1 activities and PON1(Q192R) phenotypes were determined with paraoxon and diazoxon as substrates. The oxidative stress/AOD status was estimated by measuring malondialdehyde (MDA) and superoxide-anion (O-2(.-)) levels and superoxide-dismutase (SOD) activity. Results Subjects with sdLDL had significantly hi...gher MDA (P lt 0.001) and O-2(.-) (P lt 0.05) levels and greater diazoxonase (DZOase) activity (P lt 0.05) compared to subjects with larger LDL particles. A high MDA concentration was a significant predictor of the sdLDL phenotype (P lt 0.005). Increased levels of O-2(.-) and MDA were associated with smaller HDL3 subclass abundance. Reduced HDL particle size was associated with lower DZOase activity (P lt 0.01). Conclusions Even in the absence of symptoms of atherosclerosis, sdLDL particles are associated with increased oxidative stress, which may stimulate a compensatory rise in PON1 DZOase activity. Elevated oxidative stress may significantly affect HDL subclass distribution, resulting in the accumulation of smaller, denser HDL particles with diminished antioxidative capacity.
Ključne reči:
HDL size / LDL size / oxidative stress / paraoxonaseIzvor:
European Journal of Clinical Investigation, 2007, 37, 9, 715-723Izdavač:
- Wiley, Hoboken
Finansiranje / projekti:
DOI: 10.1111/j.1365-2362.2007.01849.x
ISSN: 0014-2972
PubMed: 17696961
WoS: 000248965400005
Scopus: 2-s2.0-34547859254
Institucija/grupa
PharmacyTY - JOUR AU - Vekić, Jelena AU - Kotur-Stevuljević, Jelena AU - Jelić-Ivanović, Zorana AU - Spasić, S. AU - Spasojević-Kalimanovska, Vesna AU - Topić, Aleksandra AU - Zeljković, Aleksandra AU - Stefanović, A. AU - Zunić, G. PY - 2007 UR - https://farfar.pharmacy.bg.ac.rs/handle/123456789/979 AB - Background Alterations in plasma lipoprotein subclass distributions affect atherosclerosis risk. Smaller, denser low-density lipoprotein (LDL) particles (sdLDL) are more susceptible to oxidation. In contrast, most of the protective effects of high-density lipoproteins (HDL) are attributable to larger particles. This study investigates the connection between LDL and HDL particle heterogeneity and oxidative stress, antioxidative defence (AOD) and paraoxonase (PON1) status in a healthy middle-aged Serbian population. Materials and methods LDL and HDL particle sizes and subclass distributions were measured by gradient gel electrophoresis in 104 men and 103 women, aged 53 +/- 9.4 years. PON1 activities and PON1(Q192R) phenotypes were determined with paraoxon and diazoxon as substrates. The oxidative stress/AOD status was estimated by measuring malondialdehyde (MDA) and superoxide-anion (O-2(.-)) levels and superoxide-dismutase (SOD) activity. Results Subjects with sdLDL had significantly higher MDA (P lt 0.001) and O-2(.-) (P lt 0.05) levels and greater diazoxonase (DZOase) activity (P lt 0.05) compared to subjects with larger LDL particles. A high MDA concentration was a significant predictor of the sdLDL phenotype (P lt 0.005). Increased levels of O-2(.-) and MDA were associated with smaller HDL3 subclass abundance. Reduced HDL particle size was associated with lower DZOase activity (P lt 0.01). Conclusions Even in the absence of symptoms of atherosclerosis, sdLDL particles are associated with increased oxidative stress, which may stimulate a compensatory rise in PON1 DZOase activity. Elevated oxidative stress may significantly affect HDL subclass distribution, resulting in the accumulation of smaller, denser HDL particles with diminished antioxidative capacity. PB - Wiley, Hoboken T2 - European Journal of Clinical Investigation T1 - Association of oxidative stress and PON1 with LDL and HDL particle size in middle-aged subjects VL - 37 IS - 9 SP - 715 EP - 723 DO - 10.1111/j.1365-2362.2007.01849.x ER -
@article{ author = "Vekić, Jelena and Kotur-Stevuljević, Jelena and Jelić-Ivanović, Zorana and Spasić, S. and Spasojević-Kalimanovska, Vesna and Topić, Aleksandra and Zeljković, Aleksandra and Stefanović, A. and Zunić, G.", year = "2007", abstract = "Background Alterations in plasma lipoprotein subclass distributions affect atherosclerosis risk. Smaller, denser low-density lipoprotein (LDL) particles (sdLDL) are more susceptible to oxidation. In contrast, most of the protective effects of high-density lipoproteins (HDL) are attributable to larger particles. This study investigates the connection between LDL and HDL particle heterogeneity and oxidative stress, antioxidative defence (AOD) and paraoxonase (PON1) status in a healthy middle-aged Serbian population. Materials and methods LDL and HDL particle sizes and subclass distributions were measured by gradient gel electrophoresis in 104 men and 103 women, aged 53 +/- 9.4 years. PON1 activities and PON1(Q192R) phenotypes were determined with paraoxon and diazoxon as substrates. The oxidative stress/AOD status was estimated by measuring malondialdehyde (MDA) and superoxide-anion (O-2(.-)) levels and superoxide-dismutase (SOD) activity. Results Subjects with sdLDL had significantly higher MDA (P lt 0.001) and O-2(.-) (P lt 0.05) levels and greater diazoxonase (DZOase) activity (P lt 0.05) compared to subjects with larger LDL particles. A high MDA concentration was a significant predictor of the sdLDL phenotype (P lt 0.005). Increased levels of O-2(.-) and MDA were associated with smaller HDL3 subclass abundance. Reduced HDL particle size was associated with lower DZOase activity (P lt 0.01). Conclusions Even in the absence of symptoms of atherosclerosis, sdLDL particles are associated with increased oxidative stress, which may stimulate a compensatory rise in PON1 DZOase activity. Elevated oxidative stress may significantly affect HDL subclass distribution, resulting in the accumulation of smaller, denser HDL particles with diminished antioxidative capacity.", publisher = "Wiley, Hoboken", journal = "European Journal of Clinical Investigation", title = "Association of oxidative stress and PON1 with LDL and HDL particle size in middle-aged subjects", volume = "37", number = "9", pages = "715-723", doi = "10.1111/j.1365-2362.2007.01849.x" }
Vekić, J., Kotur-Stevuljević, J., Jelić-Ivanović, Z., Spasić, S., Spasojević-Kalimanovska, V., Topić, A., Zeljković, A., Stefanović, A.,& Zunić, G.. (2007). Association of oxidative stress and PON1 with LDL and HDL particle size in middle-aged subjects. in European Journal of Clinical Investigation Wiley, Hoboken., 37(9), 715-723. https://doi.org/10.1111/j.1365-2362.2007.01849.x
Vekić J, Kotur-Stevuljević J, Jelić-Ivanović Z, Spasić S, Spasojević-Kalimanovska V, Topić A, Zeljković A, Stefanović A, Zunić G. Association of oxidative stress and PON1 with LDL and HDL particle size in middle-aged subjects. in European Journal of Clinical Investigation. 2007;37(9):715-723. doi:10.1111/j.1365-2362.2007.01849.x .
Vekić, Jelena, Kotur-Stevuljević, Jelena, Jelić-Ivanović, Zorana, Spasić, S., Spasojević-Kalimanovska, Vesna, Topić, Aleksandra, Zeljković, Aleksandra, Stefanović, A., Zunić, G., "Association of oxidative stress and PON1 with LDL and HDL particle size in middle-aged subjects" in European Journal of Clinical Investigation, 37, no. 9 (2007):715-723, https://doi.org/10.1111/j.1365-2362.2007.01849.x . .