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Derikonjic M, Saric Matutinovic M, Vladimirov Sopic S, Antonic T, Stefanovic A, Vekic J, Ardalic D, Miljkovic-Trailovic M, Stankovic M, Gojkovic T, Ivanisevic J, Munjas J, Jovicic S, Mikovic Z, Zeljkovic A. The Effects of Pregestational Overweight and Obesity on Maternal Lipidome in Pregnancy: Implications for Newborns' Characteristics. Int J Mol Sci 2024; 25:7449. [PMID: 39000556 PMCID: PMC11242260 DOI: 10.3390/ijms25137449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Accepted: 07/05/2024] [Indexed: 07/16/2024] Open
Abstract
Obesity is an important risk factor for the development of pregnancy complications. We investigated the effects of pregestational overweight and obesity on maternal lipidome during pregnancy and on newborns' characteristics. The study encompassed 131 pregnant women, 99 with pre-pregnancy body mass index (BMI) < 25 kg/m2 and 32 with BMI ≥ 25 kg/m2. Maternal lipid status parameters, plasma markers of cholesterol synthesis and absorption and sphingolipids were determined in each trimester. Data on neonatal height, weight and APGAR scores were assessed. The results showed a higher prevalence (p < 0.05) of pregnancy and childbirth complications among the participants with elevated pregestational BMI. Levels of total cholesterol, HDL-cholesterol (p < 0.05) and LDL-cholesterol (p < 0.01) were significantly lower, and concentrations of triglycerides were higher (p < 0.05) in women with increased pre-gestational BMI. Lower concentrations of the cholesterol synthesis marker, desmosterol, in the 2nd trimester (p < 0.01) and the cholesterol absorption marker, campesterol, in each trimester (p < 0.01, p < 0.05, p < 0.01, respectively) were also found in this group. Markers of maternal cholesterol synthesis were in positive correlation with neonatal APGAR scores in the group of mothers with healthy pre-pregnancy weight but in negative correlation in the overweight/obese group. Our results indicate that gestational adaptations of maternal lipidome depend on her pregestational nutritional status and that such changes may affect neonatal outcomes.
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Affiliation(s)
- Minja Derikonjic
- Department of Medical Biochemistry, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11000 Belgrade, Serbia; (M.D.); (M.S.M.); (S.V.S.); (T.A.); (A.S.); (J.V.); (M.M.-T.); (T.G.); (J.I.); (J.M.); (S.J.)
| | - Marija Saric Matutinovic
- Department of Medical Biochemistry, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11000 Belgrade, Serbia; (M.D.); (M.S.M.); (S.V.S.); (T.A.); (A.S.); (J.V.); (M.M.-T.); (T.G.); (J.I.); (J.M.); (S.J.)
| | - Sandra Vladimirov Sopic
- Department of Medical Biochemistry, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11000 Belgrade, Serbia; (M.D.); (M.S.M.); (S.V.S.); (T.A.); (A.S.); (J.V.); (M.M.-T.); (T.G.); (J.I.); (J.M.); (S.J.)
| | - Tamara Antonic
- Department of Medical Biochemistry, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11000 Belgrade, Serbia; (M.D.); (M.S.M.); (S.V.S.); (T.A.); (A.S.); (J.V.); (M.M.-T.); (T.G.); (J.I.); (J.M.); (S.J.)
| | - Aleksandra Stefanovic
- Department of Medical Biochemistry, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11000 Belgrade, Serbia; (M.D.); (M.S.M.); (S.V.S.); (T.A.); (A.S.); (J.V.); (M.M.-T.); (T.G.); (J.I.); (J.M.); (S.J.)
| | - Jelena Vekic
- Department of Medical Biochemistry, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11000 Belgrade, Serbia; (M.D.); (M.S.M.); (S.V.S.); (T.A.); (A.S.); (J.V.); (M.M.-T.); (T.G.); (J.I.); (J.M.); (S.J.)
| | - Daniela Ardalic
- Gynecology and Obstetrics Clinic Narodni Front, Kraljice Natalije 62, 11000 Belgrade, Serbia; (D.A.); (M.S.); (Z.M.)
| | - Milica Miljkovic-Trailovic
- Department of Medical Biochemistry, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11000 Belgrade, Serbia; (M.D.); (M.S.M.); (S.V.S.); (T.A.); (A.S.); (J.V.); (M.M.-T.); (T.G.); (J.I.); (J.M.); (S.J.)
| | - Marko Stankovic
- Gynecology and Obstetrics Clinic Narodni Front, Kraljice Natalije 62, 11000 Belgrade, Serbia; (D.A.); (M.S.); (Z.M.)
| | - Tamara Gojkovic
- Department of Medical Biochemistry, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11000 Belgrade, Serbia; (M.D.); (M.S.M.); (S.V.S.); (T.A.); (A.S.); (J.V.); (M.M.-T.); (T.G.); (J.I.); (J.M.); (S.J.)
| | - Jasmina Ivanisevic
- Department of Medical Biochemistry, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11000 Belgrade, Serbia; (M.D.); (M.S.M.); (S.V.S.); (T.A.); (A.S.); (J.V.); (M.M.-T.); (T.G.); (J.I.); (J.M.); (S.J.)
| | - Jelena Munjas
- Department of Medical Biochemistry, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11000 Belgrade, Serbia; (M.D.); (M.S.M.); (S.V.S.); (T.A.); (A.S.); (J.V.); (M.M.-T.); (T.G.); (J.I.); (J.M.); (S.J.)
| | - Snezana Jovicic
- Department of Medical Biochemistry, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11000 Belgrade, Serbia; (M.D.); (M.S.M.); (S.V.S.); (T.A.); (A.S.); (J.V.); (M.M.-T.); (T.G.); (J.I.); (J.M.); (S.J.)
| | - Zeljko Mikovic
- Gynecology and Obstetrics Clinic Narodni Front, Kraljice Natalije 62, 11000 Belgrade, Serbia; (D.A.); (M.S.); (Z.M.)
| | - Aleksandra Zeljkovic
- Department of Medical Biochemistry, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11000 Belgrade, Serbia; (M.D.); (M.S.M.); (S.V.S.); (T.A.); (A.S.); (J.V.); (M.M.-T.); (T.G.); (J.I.); (J.M.); (S.J.)
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Higuchi M, Okumura M, Mitsuta S, Shirouchi B. Dietary Cholest-4-en-3-one, a Cholesterol Metabolite of Gut Microbiota, Alleviates Hyperlipidemia, Hepatic Cholesterol Accumulation, and Hyperinsulinemia in Obese, Diabetic db/db Mice. Metabolites 2024; 14:321. [PMID: 38921456 PMCID: PMC11205736 DOI: 10.3390/metabo14060321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 05/30/2024] [Accepted: 05/31/2024] [Indexed: 06/27/2024] Open
Abstract
Previous studies have shown that dietary cholest-4-en-3-one (4-cholestenone, 4-STN) exerts anti-obesity and lipid-lowering effects in mice. However, its underlying mechanisms are not fully understood. In the present study, we evaluated whether 4-STN supplementation would protect obese diabetic db/db mice from obesity-related metabolic disorders. After four weeks of feeding of a 0.25% 4-STN-containing diet, dietary 4-STN was found to have significantly alleviated hyperlipidemia, hepatic cholesterol accumulation, and hyperinsulinemia; however, the effect was not sufficient to improve hepatic triglyceride accumulation or obesity. Further analysis demonstrated that dietary 4-STN significantly increased the content of free fatty acids and neutral steroids in the feces of db/db mice, indicating that the alleviation of hyperlipidemia by 4-STN was due to an increase in lipid excretion. In addition, dietary 4-STN significantly reduced the levels of desmosterol, a cholesterol precursor, in the plasma but not in the liver, suggesting that normalization of cholesterol metabolism by 4-STN is partly attributable to the suppression of cholesterol synthesis in extrahepatic tissues. In addition, dietary 4-STN increased the plasma and hepatic levels of 4-STN metabolites cholestanol (5α-cholestan-3β-ol) and coprostanol (5β-cholestan-3β-ol). Our results show that dietary 4-STN alleviates obesity-related metabolic disorders, such as hyperlipidemia, hepatic cholesterol accumulation, and hyperinsulinemia, in db/db mice.
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Affiliation(s)
- Mina Higuchi
- Nutrition Science Course, Division of Human Health Science, Graduate School of Regional Design and Creation, University of Nagasaki, Siebold, 1-1-1 Manabino, Nagayo-cho, Nishi-Sonogi-gun, Nagasaki 851-2195, Japan
| | - Mai Okumura
- Nutrition Science Course, Division of Human Health Science, Graduate School of Regional Design and Creation, University of Nagasaki, Siebold, 1-1-1 Manabino, Nagayo-cho, Nishi-Sonogi-gun, Nagasaki 851-2195, Japan
| | - Sarasa Mitsuta
- Nutrition Science Course, Division of Human Health Science, Graduate School of Regional Design and Creation, University of Nagasaki, Siebold, 1-1-1 Manabino, Nagayo-cho, Nishi-Sonogi-gun, Nagasaki 851-2195, Japan
| | - Bungo Shirouchi
- Nutrition Science Course, Division of Human Health Science, Graduate School of Regional Design and Creation, University of Nagasaki, Siebold, 1-1-1 Manabino, Nagayo-cho, Nishi-Sonogi-gun, Nagasaki 851-2195, Japan
- Department of Nutrition Science, Faculty of Nursing and Nutrition, University of Nagasaki, Siebold, 1-1-1 Manabino, Nagayo-cho, Nishi-Sonogi-gun, Nagasaki 851-2195, Japan
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Yan C, Huang SH, Ding HF, Kwek E, Liu JH, Chen ZX, Ma KY, Chen ZY. Adverse effect of oxidized cholesterol exposure on colitis is mediated by modulation of gut microbiota. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:132057. [PMID: 37467611 DOI: 10.1016/j.jhazmat.2023.132057] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 06/27/2023] [Accepted: 07/12/2023] [Indexed: 07/21/2023]
Abstract
Both cholesterol and oxidized cholesterol (OXC) are present in human diets. The incidence of inflammatory bowel diseases (IBDs) is increasing in the world. The present study was to investigate the mechanism by which OXC promotes colitis using C57BL/6 mice as a model. Results shown that more severe colitis was developed in OXC-treated mice with the administration of dextran sulfate sodium (DSS) in water. Direct effects of short-term OXC exposure on gut barrier or inflammation were not observed in healthy mice. However, OXC exposure could cause gut microbiota dysbiosis with a decrease in the relative abundance of short-train fatty acids (SCFAs)-producing bacteria (Lachnospiraceae_NK4A136_group and Blautia) and an increase in the abundance of some potential harmful bacteria (Bacteroides). OXC-induced symptoms of colitis were eliminated when mice were administered with antibiotic cocktails, indicating the promoting effect of OXC on DSS-induced colitis was mediated by its effect on gut microbiota. Moreover, bacteria-depleted mice colonized with gut microbiome from OXC-DSS-exposed mice exhibited a severe colitis, further proving the gut dysbiosis caused by OXC exposure was the culprit in exacerbating the colitis. It was concluded that dietary OXC exposure increased the susceptibility of colitis in mice by causing gut microbiota dysbiosis.
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Affiliation(s)
- Chi Yan
- Food and Nutritional Sciences Program, School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Shou-He Huang
- Food and Nutritional Sciences Program, School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Hua-Fang Ding
- Food and Nutritional Sciences Program, School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Erika Kwek
- Food and Nutritional Sciences Program, School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Jian-Hui Liu
- Food and Nutritional Sciences Program, School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Zi-Xing Chen
- Food and Nutritional Sciences Program, School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Ka Ying Ma
- Food and Nutritional Sciences Program, School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Zhen-Yu Chen
- Food and Nutritional Sciences Program, School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China.
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Antonić T, Ardalić D, Vladimirov S, Zeljković A, Vekić J, Mitrović M, Ivanišević J, Gojković T, Munjas J, Spasojević-Kalimanovska V, Miković Ž, Stefanović A. Cholesterol Metabolic Profiling of HDL in Women with Late-Onset Preeclampsia. Int J Mol Sci 2023; 24:11357. [PMID: 37511116 PMCID: PMC10380085 DOI: 10.3390/ijms241411357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/07/2023] [Accepted: 07/09/2023] [Indexed: 07/30/2023] Open
Abstract
A specific feature of dyslipidemia in pregnancy is increased high-density lipoprotein (HDL) cholesterol concentration, which is probably associated with maternal endothelium protection. However, preeclampsia is most often associated with low HDL cholesterol, and the mechanisms behind this change are scarcely explored. We aimed to investigate changes in HDL metabolism in risky pregnancies and those complicated by late-onset preeclampsia. We analyze cholesterol synthesis (cholesterol precursors: desmosterol, 7-dehydrocholesterol, and lathosterol) and absorption markers (phytosterols: campesterol and β-sitosterol) within HDL particles (NCSHDL), the activities of principal modulators of HDL cholesterol's content, and major HDL functional proteins levels in mid and late pregnancy. On the basis of the pregnancy outcome, participants were classified into the risk group (RG) (70 women) and the preeclampsia group (PG) (20 women). HDL cholesterol was lower in PG in the second trimester compared to RG (p < 0.05) and followed by lower levels of cholesterol absorption markers (p < 0.001 for campesterolHDL and p < 0.05 for β-sitosterolHDL). Lowering of HDL cholesterol between trimesters in RG (p < 0.05) was accompanied by a decrease in HDL phytosterol content (p < 0.001), apolipoprotein A-I (apoA-I) concentration (p < 0.05), and paraoxonase 1 (PON1) (p < 0.001), lecithin-cholesterol acyltransferase (LCAT) (p < 0.05), and cholesterol ester transfer protein (CETP) activities (p < 0.05). These longitudinal changes were absent in PG. Development of late-onset preeclampsia is preceded by the appearance of lower HDL cholesterol and NCSHDL in the second trimester. We propose that reduced capacity for intestinal HDL synthesis, decreased LCAT activity, and impaired capacity for HDL-mediated cholesterol efflux could be the contributing mechanisms resulting in lower HDL cholesterol.
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Affiliation(s)
- Tamara Antonić
- Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Daniela Ardalić
- The Obstetrics and Gynecology Clinic Narodni Front "Narodni Front", Kraljice Natalije 62, 11000 Belgrade, Serbia
| | - Sandra Vladimirov
- Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Aleksandra Zeljković
- Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Jelena Vekić
- Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Marija Mitrović
- Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Jasmina Ivanišević
- Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Tamara Gojković
- Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Jelena Munjas
- Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Vesna Spasojević-Kalimanovska
- Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Željko Miković
- The Obstetrics and Gynecology Clinic Narodni Front "Narodni Front", Kraljice Natalije 62, 11000 Belgrade, Serbia
| | - Aleksandra Stefanović
- Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
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5
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Ye Z, Luo S, Lv Y, Liu Y. Influences of Illumination Pretreatment on Soybean Oil Activated Clay Bleaching Effects and Soybean Oil Quality Evaluation. Foods 2023; 12:foods12051038. [PMID: 36900555 PMCID: PMC10001297 DOI: 10.3390/foods12051038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/03/2023] [Accepted: 02/22/2023] [Indexed: 03/05/2023] Open
Abstract
Visible light has been widely studied for possible applications in food industry as being a kind of clean energy. Presently, the influences of illumination pretreatment on soybean oil quality followed by conventional activated clay bleaching, including the oil color, fatty acid composition, oxidation stability, and micronutrient content, were investigated. Results demonstrated that the illumination pretreatment increased the color differences between the non-illuminated and illuminated soybean oils, which indicated that the light exposure could improve the decoloring effects. The fatty acids composition and the peroxide value (POV) and oxidation stability index (OSI) of the soybean oils showed little changes during this process. Although the illumination pretreatment affected the content of lipid-soluble micronutrients, including phytosterols and tocopherols, no significant differences could be observed (p > 0.05). Moreover, it showed that the illumination pretreatment showed significant effects for decreasing the following activated clay bleaching temperature, indicating the energy saving potential of this novel soybean oil decoloring process. The present study might provide new insights for developing eco-friendly and efficient vegetable oil bleaching technology.
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Affiliation(s)
- Zhan Ye
- School of Food Science and Technology, Jiangnan University, No. 1800, Lihu Road, Wuxi 214122, China
- State Key Laboratory of Food Science and Technology, Jiangnan University, No. 1800, Lihu Road, Wuxi 214122, China
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, No. 1800, Lihu Road, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, No. 1800, Lihu Road, Wuxi 214122, China
| | - Shufan Luo
- School of Food Science and Technology, Jiangnan University, No. 1800, Lihu Road, Wuxi 214122, China
| | - Yaping Lv
- School of Food Science and Technology, Jiangnan University, No. 1800, Lihu Road, Wuxi 214122, China
| | - Yuanfa Liu
- School of Food Science and Technology, Jiangnan University, No. 1800, Lihu Road, Wuxi 214122, China
- State Key Laboratory of Food Science and Technology, Jiangnan University, No. 1800, Lihu Road, Wuxi 214122, China
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, No. 1800, Lihu Road, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, No. 1800, Lihu Road, Wuxi 214122, China
- Correspondence: ; Tel.: +86-0510-8587-6799
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Koch E, Bagci M, Kuhn M, Hartung NM, Mainka M, Rund KM, Schebb NH. GC-MS analysis of oxysterols and their formation in cultivated liver cells (HepG2). Lipids 2023; 58:41-56. [PMID: 36195466 DOI: 10.1002/lipd.12360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 08/09/2022] [Accepted: 09/09/2022] [Indexed: 02/04/2023]
Abstract
Oxysterols play a key role in many (patho)physiological processes and they are potential biomarkers for oxidative stress in several diseases. Here we developed a rapid gas chromatographic-mass spectrometry-based method for the separation and quantification of 11 biologically relevant oxysterols bearing hydroxy, epoxy, and dihydroxy groups. Efficient chromatographic separation (resolution ≥ 1.9) was achieved using a medium polarity 35%-diphenyl/65%-dimethyl polysiloxane stationary phase material (30 m × 0.25 mm inner diameter and 0.25 μm film thickness). Based on thorough analysis of the fragmentation during electron ionization we developed a strategy to deduce structural information of the oxysterols. Optimized sample preparation includes (i) extraction with a mixture of n-hexane/iso-propanol, (ii) removal of cholesterol by solid phase extraction with unmodified silica, and (iii) trimethylsilylation. The method was successfully applied on the analysis of brain samples, showing consistent results with previous studies and a good intra- and interday precision of ≤20%. Finally, we used the method for the investigation of oxysterol formation during oxidative stress in HepG2 cells. Incubation with tert-butyl hydroperoxide led to a massive increase in free radical formed oxysterols (7-keto-chol > 7β-OH-chol >> 7α-OH-chol), while 24 h incubation with the glutathione peroxidase 4 inhibitor RSL3 showed no increase in oxidative stress based on the oxysterol pattern. Overall, the new method described here enables the robust analysis of a biologically meaningful pattern of oxysterols with high sensitivity and precision allowing us to gain new insights in the biological formation and role of oxysterols.
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Affiliation(s)
- Elisabeth Koch
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Wuppertal, Germany
| | - Mustafa Bagci
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Wuppertal, Germany
| | - Michael Kuhn
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Wuppertal, Germany
| | - Nicole M Hartung
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Wuppertal, Germany
| | - Malwina Mainka
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Wuppertal, Germany
| | - Katharina M Rund
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Wuppertal, Germany
| | - Nils Helge Schebb
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Wuppertal, Germany
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Yan C, Kwek E, Ding HF, He Z, Ma KY, Zhu H, Chen ZY. Dietary Oxidized Cholesterol Aggravates Chemically Induced Murine Colon Inflammation and Alters Gut Microbial Ecology. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:13289-13301. [PMID: 36198042 DOI: 10.1021/acs.jafc.2c05001] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Western diet with a higher intake of fat and cholesterol has been claimed as an intestinal inflammation trigger. Human diet contains both cholesterol and oxidized cholesterol. Oxidized cholesterol has been claimed to be associated with various inflammation diseases, but its effects on colitis and gut microbiome remain largely unknown. The present study was the first time to investigate the effect of the oxidized cholesterol on gut microbiota and dextran sodium sulfate-induced colitis using mice as a model. The results showed that oxidized cholesterol promoted colitis by exacerbating bleeding, body weight decrease, colon shortening, gut barrier damage, oxidative stress, and gut inflammation, whereas non-oxidized cholesterol had no effect. Meanwhile, oxidized cholesterol could adversely modulate the gut microbiota by increasing the relative abundance of pro-inflammatory bacteria (including Escherichia-Shigella and Bacteroides) and decreasing that of beneficial bacteria (Lachnospiraceae_NK4A136_group and Odoribacter). In addition, oxidized cholesterol significantly reduced the production of fecal short-chain fatty acids in colitis mice. It was concluded that oxidized cholesterol was a potential dietary factor of gut dysbiosis.
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Affiliation(s)
- Chi Yan
- Food and Nutritional Sciences Program, School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong 999077, China
| | - Erika Kwek
- Food and Nutritional Sciences Program, School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong 999077, China
| | - Hua-Fang Ding
- Food and Nutritional Sciences Program, School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong 999077, China
| | - Zouyan He
- Food and Nutritional Sciences Program, School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong 999077, China
- School of Public Health, Guanxi Medical University, Nanning 530021, China
| | - Ka Ying Ma
- Food and Nutritional Sciences Program, School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong 999077, China
| | - Hanyue Zhu
- Food and Nutritional Sciences Program, School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong 999077, China
- School of Food Science and Engineering/South China Food Safety Research Center, Foshan University, Foshan 528000, Guangdong, China
| | - Zhen-Yu Chen
- Food and Nutritional Sciences Program, School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong 999077, China
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Nunes VS, de Campos EVS, Baracat J, França V, Gomes ÉIL, Coelho RP, Nakandakare ER, Zago VHS, de Faria EC, Quintão ECR. Plasma Campesterol Is Positively Associated with Carotid Plaques in Asymptomatic Subjects. Int J Mol Sci 2022; 23:ijms231911997. [PMID: 36233298 PMCID: PMC9569444 DOI: 10.3390/ijms231911997] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 09/29/2022] [Accepted: 10/05/2022] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Increased cholesterol absorption and reduced synthesis are processes that have been associated with cardiovascular disease risk in a controversial way. However, most of the studies involving markers of cholesterol synthesis and absorption include conditions, such as obesity, diabetes, dyslipidemia, which can be confounding factors. The present study aimed at investigating the relationships of plasma cholesterol synthesis and absorption markers with cardiovascular disease (CVD) risk factors, cIMT (carotid intima-media thickness), and the presence of carotid plaques in asymptomatic subjects. METHODS A cross-sectional study was carried out in 270 asymptomatic individuals and anthropometrical parameters, fasting plasma lipids, glucometabolic profiles, high-sensitivity C-reactive protein (hs-CRP), markers of cholesterol synthesis (desmosterol and lathosterol), absorption (campesterol and sitosterol), cIMT, and the presence of atherosclerotic plaques were analyzed. RESULTS Among the selected subjects aged between 19 and 75 years, 51% were females. Age, body mass index, systolic and diastolic blood pressure, total cholesterol, non-HDL-C, triglycerides, glucose, and lathosterol/sitosterol ratios correlated positively with cIMT (p ≤ 0.05). Atherosclerotic plaques were present in 19% of the subjects. A direct association of carotid plaques with campesterol, OR = 1.71 (95% CI = 1.04-2.82, p ≤ 0.05) and inverse associations with both ratios lathosterol/campesterol, OR = 0.29 (CI = 0.11-0.80, p ≤ 0.05) and lathosterol/sitosterol, OR = 0.45 (CI = 0.22-0.95, p ≤ 0.05) were observed in univariate logistic regression analysis. CONCLUSIONS The findings suggested that campesterol may be associated with atherosclerotic plaques and the lathosterol/campesterol or sitosterol ratios suggested an inverse association. Furthermore, synthesis and absorption of cholesterol are inverse processes, and the absorption marker, campesterol, may reflect changes in body cholesterol homeostasis with atherogenic potential.
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Affiliation(s)
- Valéria Sutti Nunes
- Laboratorio de Lipides (LIM10), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo 01246-900, SP, Brazil
| | - Edite Vieira Silva de Campos
- Lipid Laboratory and Center for Medicine and Experimental Surgery, Department of Clinical Pathology, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas 13083-887, SP, Brazil
| | - Jamal Baracat
- Faculty of Medical Sciences, Department of Radiology, Hospital of Clinics, State University of Campinas (UNICAMP), Campinas 13083-888, SP, Brazil
| | - Victor França
- Lipid Laboratory and Center for Medicine and Experimental Surgery, Department of Clinical Pathology, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas 13083-887, SP, Brazil
| | - Érica Ivana Lázaro Gomes
- Lipid Laboratory and Center for Medicine and Experimental Surgery, Department of Clinical Pathology, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas 13083-887, SP, Brazil
| | - Raissa Peres Coelho
- Lipid Laboratory and Center for Medicine and Experimental Surgery, Department of Clinical Pathology, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas 13083-887, SP, Brazil
| | - Edna Regina Nakandakare
- Laboratorio de Lipides (LIM10), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo 01246-900, SP, Brazil
| | - Vanessa Helena Souza Zago
- Centro de Ciências da Vida, Pontifical Catholic University of Campinas, Campinas 13034-68, SP, Brazil
| | - Eliana Cotta de Faria
- Lipid Laboratory and Center for Medicine and Experimental Surgery, Department of Clinical Pathology, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas 13083-887, SP, Brazil
| | - Eder Carlos Rocha Quintão
- Laboratorio de Lipides (LIM10), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo 01246-900, SP, Brazil
- Correspondence: ; Tel.: +55-11-3061-7263
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9
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Pan Y, Li H, Shahidi F, Luo T, Deng Z. Interactions among dietary phytochemicals and nutrients: Role of cell membranes. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.03.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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10
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Risso D, Leoni V, Canzoneri F, Arveda M, Zivoli R, Peraino A, Poli G, Menta R. Presence of cholesterol oxides in milk chocolates and their correlation with milk powder freshness. PLoS One 2022; 17:e0264288. [PMID: 35312699 PMCID: PMC8936476 DOI: 10.1371/journal.pone.0264288] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 02/04/2022] [Indexed: 12/18/2022] Open
Abstract
Cholesterol oxidation products (COPs) of non-enzymatic origin are mainly found in meat, fish, eggs and milk, mostly originating from the type of feeding, processing and storage. To verify the significance of COPs as biomarkers of cholesterol autoxidation and milk freshness, we quantified them in chocolates containing whole milk powders (WMPs) of increasing shelf-lives (i.e. 20, 120, and 180 days). Non-enzymatic total COPs (both free and esterified) ranged from 256.57 ± 11.97 to 445.82 ± 11.88 ng/g, increasing proportionally to the shelf-life of the WMPs, thus reflecting the ingredients’ freshness. Based on the expected theoretical COPs, the effect of processing was quantitatively less significant in the generation of oxysterols (41–44%) than the contribution of the autoxidation of the WMPs over time (56–59%), pointing to the shelf-life as the primary determinant of COPs. Lastly, we quantified COPs of major commercial milk chocolates on the Italian market, which followed a similar distribution (from 240.79 ± 11.74 to 475.12 ± 12.58 ng/g). Although further replications of this work are needed, this study reports preliminary results and a practical example of a first application of non-enzymatic COPs as markers to further quantify and characterize the nutritional quality and freshness, not only of ingredients but also of composite products.
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Affiliation(s)
- Davide Risso
- Soremartec Italia Srl, Ferrero Group, Alba, Italy
| | - Valerio Leoni
- Laboratory of Clinical Chemistry, Hospital of Desio and Monza, ASST-Monza, School of Medicine and Surgery, University of Milano Bicocca, Milan, Italy
| | | | | | | | | | - Giuseppe Poli
- Department of Clinical and Biological Sciences, University of Torino, San Luigi Hospital, Turin, Italy
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11
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Poli G, Leoni V, Biasi F, Canzoneri F, Risso D, Menta R. Oxysterols: From redox bench to industry. Redox Biol 2022; 49:102220. [PMID: 34968886 PMCID: PMC8717233 DOI: 10.1016/j.redox.2021.102220] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/16/2021] [Accepted: 12/19/2021] [Indexed: 12/12/2022] Open
Abstract
More and more attention is nowadays given to the possible translational application of a great number of biochemical and biological findings with the involved molecules. This is also the case of cholesterol oxidation products, redox molecules over the last years deeply investigated for their implication in human pathophysiology. Oxysterols of non-enzymatic origin, the excessive increase of which in biological fluids and tissues is of toxicological relevance for their marked pro-oxidant and pro-inflammatory properties, are increasingly applied in clinical biochemistry as molecular markers in the diagnosis and monitoring of several human and veterinary diseases. Conversely, oxysterols of enzymatic origin, the production of which is commonly under physiological regulation, could be considered and tested as promising pharmaceutical agents because of their antiviral, pro-osteogenic and antiadipogenic properties of some of them. Very recently, the quantification of oxysterols of non-enzymatic origin has been adopted in a systematic way to evaluate, monitor and improve the quality of cholesterol-based food ingredients, that are prone to auto-oxidation, as well as their industrial processing and the packaging and the shelf life of the finished food products. The growing translational value of oxysterols is here reviewed in its present and upcoming applications in various industrial fields.
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Affiliation(s)
- Giuseppe Poli
- Unit of General Pathology and Physiopathology, Department of Clinical and Biological Sciences, University of Turin, San Luigi Hospital, 10043, Orbassano, Turin, Italy.
| | - Valerio Leoni
- Laboratory of Clinical Chemistry, Hospital of Desio, ASST Brianza, School of Medicine and Surgery, University of Milano Bicocca, 20126, Milan, Italy
| | - Fiorella Biasi
- Unit of General Pathology and Physiopathology, Department of Clinical and Biological Sciences, University of Turin, San Luigi Hospital, 10043, Orbassano, Turin, Italy
| | | | - Davide Risso
- Soremartec Italia Srl, Ferrero Group, 12051, Alba, CN, Italy
| | - Roberto Menta
- Soremartec Italia Srl, Ferrero Group, 12051, Alba, CN, Italy
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12
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Kwon GE, Hyun MH, Byun DJ, Paeng KJ, Seo HS, Choi MH. Metabolic signatures of cholesterol biosynthesis and absorption in patients with coronary artery disease. J Steroid Biochem Mol Biol 2021; 212:105940. [PMID: 34119628 DOI: 10.1016/j.jsbmb.2021.105940] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 06/07/2021] [Accepted: 06/08/2021] [Indexed: 01/23/2023]
Abstract
Due to the biochemical importance of cholesterol homeostasis in cardiovascular disease (CVD), this study was aimed to identify metabolic signatures of serum sterols according to atherosclerotic CVD severity. Biogically active free cholesterol and its 11 analogues in serum samples obtained from subjects who underwent cardiovascular intervention were quantitatively evaluated by gas chromatography-mass spectrometry (GCMS). Study groups were divided by 29 patients with stable angina (SA), 35 patients with acute coronary syndrome (ACS), and 41 controls. In all subjects, serum levels of cholesterol and its upstream precursors of 7-dehydrocholesterol, lathosterol, and lanosterol were closely associated with CVD risk factors, such as total cholesterol, low-density lipoprotein cholesterol (LDL-C), and LDL-C/high-density lipoprotein cholesterol (HDL-C) ratio (r = 0.407 ∼ 0.684, P < 0.03 for all). Metabolic ratios of lathosterol/cholesterol (control = 55.75 ± 34.34, SA = 51.04 ± 34.93, ACS = 36.52 ± 22.00; P < 0.03) and lanosterol/cholesterol (control = 12.27 ± 7.43, SA = 10.97 ± 9.13, ACS = 8.01 ± 5.82; P < 0.03), were remarkably decreased. Both metabolic ratios and individual concentrations of lathosterol and lanosterol were also decreased in subjects with statin treatment than those in the control group without statin treatment (P < 0.05 for all), whereas three metabolic ratios of dietary sterols (sitosterol, campesterol, and stigmasterol) to free cholesterol were increased after statin therapy (P < 0.05 for all) in both SA and ACS groups. The present metabolic signatures suggest that both lathosterol/cholesterol and lanosterol/cholesterol ratios corresponding to cholesterol biosynthesis may reflect statin response. Individual dietary sterols to cholesterol ratios resulted in higher intestinal cholesterol absorption after statin therapy.
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Affiliation(s)
- Go Eun Kwon
- Molecular Recognition Research Center, Korea Institute of Science and Technology, Seoul, 02792, Republic of Korea; Department of Chemistry, Yonsei University, Wonju, 26493, Republic of Korea
| | - Myung Han Hyun
- Department of Internal Medicine, Seoul, 08308, Republic of Korea
| | - Dong Jun Byun
- Molecular Recognition Research Center, Korea Institute of Science and Technology, Seoul, 02792, Republic of Korea
| | - Ki-Jung Paeng
- Department of Chemistry, Yonsei University, Wonju, 26493, Republic of Korea
| | - Hong Seog Seo
- Cardiovascular Center, Korea University Guro Hospital, Seoul, 08308, Republic of Korea.
| | - Man Ho Choi
- Molecular Recognition Research Center, Korea Institute of Science and Technology, Seoul, 02792, Republic of Korea.
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13
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Arumugham T, K R, Hasan SW, Show PL, Rinklebe J, Banat F. Supercritical carbon dioxide extraction of plant phytochemicals for biological and environmental applications - A review. CHEMOSPHERE 2021; 271:129525. [PMID: 33445028 DOI: 10.1016/j.chemosphere.2020.129525] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Revised: 11/17/2020] [Accepted: 12/29/2020] [Indexed: 06/12/2023]
Abstract
Recently, supercritical fluid CO2 extraction (SFE) has emerged as a promising and pervasive technology over conventional extraction techniques for various applications, especially for bioactive compounds extraction and environmental pollutants removal. In this context, temperature and pressure regulate the solvent density and thereby effects the yield, selectivity, and biological/therapeutic properties of the extracted components. However, the nature of plant matrices primarily determines the extraction mechanism based on either density or vapor pressure. The present review aims to cover the recent research and developments of SFE technique in the extraction of bioactive plant phytochemicals with high antioxidant, antibacterial, antimalarial, and anti-inflammatory activities, influencing parameters, process conditions, the investigations for improving the yield and selectivity. In another portion of this review focuses on the ecotoxicology and toxic metal recovery applications. Nonpolar properties of Sc-CO2 create strong solvent strength via distinct intermolecular interaction forces with micro-pollutants and toxic metal complexes. This results in efficient removal of these contaminants and makes SFE technology as a superior alternative for conventional solvent-based treatment methods. Moreover, a compelling assessment on the therapeutic, functional, and solvent properties of SFE is rarely focused, and hence this review would add significant value to the SFE based research studies. Furthermore, we mention the limitations and potential of future perspectives related to SFE applications.
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Affiliation(s)
- Thanigaivelan Arumugham
- Department of Chemical Engineering, Khalifa University, 127788, Abu Dhabi, United Arab Emirates.
| | - Rambabu K
- Department of Chemical Engineering, Khalifa University, 127788, Abu Dhabi, United Arab Emirates.
| | - Shadi W Hasan
- Department of Chemical Engineering, Khalifa University, 127788, Abu Dhabi, United Arab Emirates.
| | - Pau Loke Show
- Department of Chemical Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, 43500, Selangor Darul Ehsan, Malaysia.
| | - Jörg Rinklebe
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water- and Waste-Management, Laboratory of Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285, Wuppertal, Germany; Department of Environment, Energy and Geoinformatics, Sejong University, Seoul, 05006, Republic of Korea.
| | - Fawzi Banat
- Department of Chemical Engineering, Khalifa University, 127788, Abu Dhabi, United Arab Emirates.
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14
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Białek A, Białek M, Lepionka T, Pachniewicz P, Czauderna M. Oxysterols and lipidomic profile of myocardium of rats supplemented with pomegranate seed oil and/or bitter melon aqueous extract - Cardio-oncological animal model research. Chem Phys Lipids 2021; 235:105057. [PMID: 33515592 DOI: 10.1016/j.chemphyslip.2021.105057] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 01/20/2021] [Accepted: 01/23/2021] [Indexed: 12/15/2022]
Abstract
A close link between cardiovascular diseases and cancer results from sharing the same modifiable risk factors (e.g. nutritional) and cardiotoxicity of anti-cancerous therapies. It justifies cardio-oncological preliminary studies on dietary factors, especially on those of possible anti-carcinogenic or cardioprotective properties. The main purpose was to evaluate the effect of pomegranate seed oil (PSO) and/or bitter melon extract (BME) supplementation of the diet of female rats suffering from mammary tumors on lipidomic profile (expressed as fatty acids, conjugated fatty acids (CFA), malondialdehyde (MDA), cholesterol and oxysterols content) of cardiac tissue. Total lipidomic profile and intensity of lipid peroxidation in hearts of DMBA-treated Sprague-Dawley rats and their healthy equivalents, both obtaining diet supplementation, were evaluated with different chromatographic techniques coupled with appropriate detection systems (GC-MS, GC-TOFMS, Ag+-HPLC-DAD, UF-HPLC-DAD). Dietary modifications neither diminished breast cancer incidence nor exerted explicit cardio-protective influence, however, they diminished cholesterol content, i.a. because of inhibition of the endogenous conversion of squalene to cholesterol in cardiac tissue. CFA were incorporated into cardiac tissue to a lesser extent in the cancerous process. PSO and BME anti-oxidant properties in pathological condition were only slightly reflected in MDA levels but not in oxysterols formation. Obtained results indicate considerable changes in dietary supplements' biological activity in pathological conditions and the need for clear distinction of drugs and dietary supplements, which is of utmost importance, especially for cancer survivors.
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Affiliation(s)
- Agnieszka Białek
- Department of Bromatology, Medical University of Warsaw, Banacha 1, 02-097, Warsaw, Poland; Department of Biotechnology and Nutrigenomics, Institute of Genetics and Animal Biotechnology of Polish Academy of Sciences, Postępu 36A Jastrzębiec, 05-552, Magdalenka, Poland.
| | - Małgorzata Białek
- The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110, Jabłonna, Poland
| | - Tomasz Lepionka
- The Biological Threats Identification and Countermeasure Center of the General Karol Kaczkowski Military Institute of Hygiene and Epidemiology, Lubelska 4 St, 24-100, Puławy, Poland
| | - Paulina Pachniewicz
- Department of Bromatology, Medical University of Warsaw, Banacha 1, 02-097, Warsaw, Poland
| | - Marian Czauderna
- The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110, Jabłonna, Poland
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15
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Dos Reis Souza MR, Santos E, Suzarte JS, do Carmo LO, Soares LS, Santos LGGV, Júnior ARV, Krause LC, Frena M, Damasceno FC, Huang Y, da Rosa Alexandre M. The impact of anthropogenic activity at the tropical Sergipe-Poxim estuarine system, Northeast Brazil: Fecal indicators. MARINE POLLUTION BULLETIN 2020; 154:111067. [PMID: 32319900 DOI: 10.1016/j.marpolbul.2020.111067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 03/09/2020] [Accepted: 03/10/2020] [Indexed: 06/11/2023]
Abstract
The individual concentrations and sources of sterols in sediments samples collected in two periods 2017 (dry period /March and rainy period/August) were determined along with the Sergipe-Poxim estuarine system, Aracaju, Brazil. The individual sterols concentration ranged from 135 to 21,746 ng g-1 (March) and 191 to 144,748 ng g-1 (August) and the distribution was mainly dominated by β-sitosterol in both periods with 37.2% (March) and 70.8% (August) of the total sterols found. In all the sampling sites, the coprostanol levels were higher than 100 ng g1 (March) and 500 ng g-1 (August), indicating sewage contamination. Diagnostic ratios between sterols suggested the predominance of sewage sources. Pearson correlation assessed a correlation significant (March) and negligible (August) between coprostanol concentration levels and organic matter. The principal component analysis (PCA) showed that the sterols levels influenced strongly C1, as well as C2 distinguished between the plant sterols and from sewage.
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Affiliation(s)
- Michel Rubens Dos Reis Souza
- Tiradentes University, Industrial Biotechnology Graduate Program, Aracaju, Sergipe 49032-490, Brazil; Federal University of Sergipe, Chemistry Department, São Cristóvão, Sergipe 49100-000, Brazil.
| | - Ewerton Santos
- Federal University of Sergipe, Chemistry Department, São Cristóvão, Sergipe 49100-000, Brazil
| | - Jaiane Santos Suzarte
- Federal University of Sergipe, Chemistry Department, São Cristóvão, Sergipe 49100-000, Brazil
| | | | - Laiane Santos Soares
- Federal University of Sergipe, Chemistry Department, São Cristóvão, Sergipe 49100-000, Brazil
| | | | | | - Laiza Canielas Krause
- Tiradentes University, Industrial Biotechnology Graduate Program, Aracaju, Sergipe 49032-490, Brazil
| | - Morgana Frena
- Federal University of Santa Catarina, Chemistry Department, Campus Universitário Trindade, Florianópolis, Santa Catarina 88040-900, Brazil
| | | | - Yongsong Huang
- Brown University, Department of Earth, Environmental and Planetary Science, Providence, RI 02912, United States of America
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16
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Phytosterols Inhibit Side-Chain Oxysterol Mediated Activation of LXR in Breast Cancer Cells. Int J Mol Sci 2019; 20:ijms20133241. [PMID: 31269628 PMCID: PMC6651815 DOI: 10.3390/ijms20133241] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 06/26/2019] [Accepted: 06/27/2019] [Indexed: 01/12/2023] Open
Abstract
Low fruit and vegetable consumption and high saturated fat consumption causes elevated circulating cholesterol and are breast cancer risk factors. During cholesterol metabolism, oxysterols form that bind and activate the liver X receptors (LXRs). Oxysterols halt breast cancer cell proliferation but enhance metastatic colonization, indicating tumour suppressing and promoting roles. Phytosterols and phytostanols in plants, like cholesterol in mammals, are essential components of the plasma membrane and biochemical precursors, and in human cells can alter LXR transcriptional activity. Here, a panel of breast cancer cell lines were treated with four dietary plant sterols and a stanol, alone or in combination with oxysterols. LXR activation and repression were measured by gene expression and LXR-luciferase reporter assays. Oxysterols activated LXR in all cell lines, but surprisingly phytosterols failed to modulate LXR activity. However, phytosterols significantly inhibited the ability of oxysterols to drive LXR transcription. These data support a role for phytosterols in modulating cancer cell behaviour via LXR, and therefore suggest merit in accurate dietary recordings of these molecules in cancer patients during treatment and perhaps supplementation to benefit recovery.
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17
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Silva LMR, Lütjohann D, Hamid P, Velasquez ZD, Kerner K, Larrazabal C, Failing K, Hermosilla C, Taubert A. Besnoitia besnoiti infection alters both endogenous cholesterol de novo synthesis and exogenous LDL uptake in host endothelial cells. Sci Rep 2019; 9:6650. [PMID: 31040348 PMCID: PMC6491585 DOI: 10.1038/s41598-019-43153-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 04/12/2019] [Indexed: 02/07/2023] Open
Abstract
Besnoitia besnoiti, an apicomplexan parasite of cattle being considered as emergent in Europe, replicates fast in host endothelial cells during acute infection and is in considerable need for energy, lipids and other building blocks for offspring formation. Apicomplexa are generally considered as defective in cholesterol synthesis and have to scavenge cholesterol from their host cells for successful replication. Therefore, we here analysed the influence of B. besnoiti on host cellular endogenous cholesterol synthesis and on sterol uptake from exogenous sources. GC-MS-based profiling of cholesterol-related sterols revealed enhanced cholesterol synthesis rates in B. besnoiti-infected cells. Accordingly, lovastatin and zaragozic acid treatments diminished tachyzoite production. Moreover, increased lipid droplet contents and enhanced cholesterol esterification was detected and inhibition of the latter significantly blocked parasite proliferation. Furthermore, artificial increase of host cellular lipid droplet disposability boosted parasite proliferation. Interestingly, lectin-like oxidized low density lipoprotein receptor 1 expression was upregulated in infected endothelial hostcells, whilst low density lipoproteins (LDL) receptor was not affected by parasite infection. However, exogenous supplementations with non-modified and acetylated LDL both boosted B. besnoiti proliferation. Overall, current data show that B. besnoiti simultaneously exploits both, endogenous cholesterol biosynthesis and cholesterol uptake from exogenous sources, during asexual replication.
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Affiliation(s)
- Liliana M R Silva
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Schubertstr. 81, D-35392, Giessen, Germany.
| | - Dieter Lütjohann
- Institute for Clinical Chemistry and Clinical Pharmacology, University Clinics Bonn, Laboratory for Special Lipid Diagnostics/Center Internal Medicine/Building 26/UG 68, Sigmund-Freud-Str. 25, D-53127, Bonn, Germany
| | - Penny Hamid
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Schubertstr. 81, D-35392, Giessen, Germany.,Department of Parasitology, Faculty of Veterinary Medicine, Universitas Gadjah Mada, Jl. Fauna No. 2 Karangmalang, 55281, Yogyakarta, Indonesia
| | - Zahady D Velasquez
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Schubertstr. 81, D-35392, Giessen, Germany
| | - Katharina Kerner
- Institute for Hygiene and Infectious Diseases of Animals, Justus-Liebig-University, Giessen, Frankfurter Str. 85-89, D-35392, Germany
| | - Camilo Larrazabal
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Schubertstr. 81, D-35392, Giessen, Germany
| | - Klaus Failing
- Unit for Biomathematics and Data Processing, Faculty of Veterinary Medicine, Justus Liebig University Giessen, Frankfurter Str. 95, D-35392, Giessen, Germany
| | - Carlos Hermosilla
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Schubertstr. 81, D-35392, Giessen, Germany
| | - Anja Taubert
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Schubertstr. 81, D-35392, Giessen, Germany
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18
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Cho AR, Moon JY, Kim S, An KY, Oh M, Jeon JY, Jung DH, Choi MH, Lee JW. Effects of alternate day fasting and exercise on cholesterol metabolism in overweight or obese adults: A pilot randomized controlled trial. Metabolism 2019; 93:52-60. [PMID: 30615947 DOI: 10.1016/j.metabol.2019.01.002] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 12/18/2018] [Accepted: 01/02/2019] [Indexed: 01/23/2023]
Abstract
BACKGROUND AND PURPOSE The objective of this pilot randomized controlled trial was to investigate the effect of alternate day fasting (ADF) and exercise on serum sterol signatures, which are surrogate markers of cholesterol absorption and biosynthesis. METHODS We randomly assigned 112 overweight or obese participants to four groups: 1) ADF and exercise (E-ADF); 2) ADF; 3) exercise; and 4) control. We studied 31 completers in this exploratory analysis and measured their serum sterol signatures using gas chromatography-mass spectrometry. RESULTS After intervention, most serum sterol signatures that correspond to cholesterol metabolism were significantly different between groups (p < 0.05 by analysis of covariance [ANCOVA]). We found no differences in plant sterols, which are markers of cholesterol absorption. In the exercise group, desmosterol, cholesteryl esters, and oxysterols decreased significantly. Furthermore, only changes in physical activity levels negatively correlated with changes in the metabolic ratios of desmosterol and 7-dehydrocholesterol to cholesterol, which reflect cholesterol biosynthesis (r = -0.411; p = 0.030, and r = -0.540; p = 0.003, respectively). CONCLUSION These findings suggest that exercise with or without ADF improves cholesterol metabolism as measured by serum sterol signatures, and increased physical activity has a greater effect on cholesterol biosynthesis than weight reduction or calorie restriction.
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Affiliation(s)
- A-Ra Cho
- Department of Family Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, Republic of Korea; Department of Medicine, Graduate School, Yonsei University, Seoul 03722, Republic of Korea
| | - Ju-Yeon Moon
- Molecular Recognition Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Sue Kim
- International Health Care Center, Severance Hospital, Yonsei University Health System, Seoul 03722, Republic of Korea
| | - Ki-Yong An
- Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, Alberta, Canada
| | - Minsuk Oh
- Department of Health and Human Physiology, University of Iowa, Iowa City, IA 52242, USA
| | - Justin Y Jeon
- Department of Sport Industry Studies, Exercise Medicine and Rehabilitation Laboratory, Yonsei University, Seoul 03722, Republic of Korea
| | - Dong-Hyuk Jung
- Department of Family Medicine, Yong-in Severance Hospital, Yonsei University College of Medicine, Yong-in 17046, Republic of Korea
| | - Man Ho Choi
- Molecular Recognition Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea.
| | - Ji-Won Lee
- Department of Family Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, Republic of Korea.
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Maldonado-Pereira L, Schweiss M, Barnaba C, Medina-Meza IG. The role of cholesterol oxidation products in food toxicity. Food Chem Toxicol 2018; 118:908-939. [DOI: 10.1016/j.fct.2018.05.059] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 05/17/2018] [Accepted: 05/25/2018] [Indexed: 01/10/2023]
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Taubert A, Silva LMR, Velásquez ZD, Larrazabal C, Lütjohann D, Hermosilla C. Modulation of cholesterol-related sterols during Eimeria bovis macromeront formation and impact of selected oxysterols on parasite development. Mol Biochem Parasitol 2018; 223:1-12. [PMID: 29909067 DOI: 10.1016/j.molbiopara.2018.06.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 06/12/2018] [Accepted: 06/12/2018] [Indexed: 11/16/2022]
Abstract
Obligate intracellular apicomplexan parasites are considered as deficient in cholesterol biosynthesis and scavenge cholesterol from their host cell in a parasite-specific manner. Compared to fast proliferating apicomplexan species producing low numbers of merozoites per host cell, (e. g. Toxoplasma gondii), the macromeront-forming protozoa Eimeria bovis is in extraordinary need for cholesterol for offspring production (≥ 170,000 merozoites I/macromeront). Interestingly, optimized in vitro E. bovis merozoite I production occurs under low foetal calf serum (FCS, 1.2%) supplementation. To analyze the impact of extensive E. bovis proliferation on host cellular sterol metabolism we here compared the sterol profiles of E. bovis-infected primary endothelial host cells grown under optimized (1.2% FCS) and non-optimized (10% FCS) cell culture conditions. Therefore, several sterols indicating endogenous de novo cholesterol synthesis, cholesterol conversion and sterol uptake (phytosterols) were analyzed via GC-MS-based approaches. Overall, significantly enhanced levels of phytosterols were detected in both FCS conditions indicating infection-triggered sterol uptake from extracellular sources as a major pathway of sterol acquisition. Interestingly, a simultaneous induction of endogenous cholesterol synthesis based on increased levels of distinct cholesterol precursors was only observed in case of optimized parasite proliferation indicating a parasite proliferation-dependent effect. Considering side-chain oxysterols, 25 hydroxycholesterol levels were selectively found increased in E. bovis-infected host cells, while 24 hydroxycholesterol and 27 hydroxycholesterol contents were not significantly altered by infection. Exogenous treatments with 25 hydroxycholesterol, 27 hydroxycholesterol, and 7 ketocholesterol revealed significant adverse effects on E. bovis intracellular development. Thus, the number and size of developing macromeronts and merozoite I production was significantly reduced indicating that these oxysterols bear direct or indirect antiparasitic properties. Overall, the current data indicate parasite-driven changes in the host cellular sterol profile reflecting the huge demand of E. bovis for cholesterol during macromeront formation and its versatility in the acquisition of cholesterol sources.
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Affiliation(s)
- A Taubert
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Schubertstr. 81, 35392 Giessen, Germany.
| | - L M R Silva
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Schubertstr. 81, 35392 Giessen, Germany.
| | - Z D Velásquez
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Schubertstr. 81, 35392 Giessen, Germany.
| | - C Larrazabal
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Schubertstr. 81, 35392 Giessen, Germany.
| | - D Lütjohann
- Institute of Clinical Chemistry and Clinical Pharmacology, University Clinics of Bonn, Sigmund-Freud-Str. 25, 53127 Bonn, Germany.
| | - C Hermosilla
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Schubertstr. 81, 35392 Giessen, Germany.
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Current knowledge on the mechanism of atherosclerosis and pro-atherosclerotic properties of oxysterols. Lipids Health Dis 2017; 16:188. [PMID: 28969682 PMCID: PMC5625595 DOI: 10.1186/s12944-017-0579-2] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 09/22/2017] [Indexed: 01/22/2023] Open
Abstract
Due to the fact that one of the main causes of worldwide deaths are directly related to atherosclerosis, scientists are constantly looking for atherosclerotic factors, in an attempt to reduce prevalence of this disease. The most important known pro-atherosclerotic factors include: elevated levels of LDL, low HDL levels, obesity and overweight, diabetes, family history of coronary heart disease and cigarette smoking. Since finding oxidized forms of cholesterol – oxysterols – in lesion in the arteries, it has also been presumed they possess pro-atherosclerotic properties. The formation of oxysterols in the atherosclerosis lesions, as a result of LDL oxidation due to the inflammatory response of cells to mechanical stress, is confirmed. However, it is still unknown, what exactly oxysterols cause in connection with atherosclerosis, after gaining entry to the human body e.g., with food containing high amounts of cholesterol, after being heated. The in vivo studies should provide data to finally prove or disprove the thesis regarding the pro-atherosclerotic prosperities of oxysterols, yet despite dozens of available in vivo research some studies confirm such properties, other disprove them. In this article we present the current knowledge about the mechanism of formation of atherosclerotic lesions and we summarize available data on in vivo studies, which investigated whether oxysterols have properties to cause the formation and accelerate the progress of the disease. Additionally we will try to discuss why such different results were obtained in all in vivo studies.
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