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Zhao X, Gao C, Chen H, Chen X, Liu T, Gu D. C-Reactive Protein: An Important Inflammatory Marker of Coronary Atherosclerotic Disease. Angiology 2024:33197241273360. [PMID: 39126663 DOI: 10.1177/00033197241273360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/12/2024]
Abstract
Cardiovascular disease (CVD) is the most common cause of death worldwide, with coronary atherosclerotic heart disease (CHD) accounting for the majority of events. Evidence demonstrates that inflammation plays a vital role in the development of CHD. The association between C-reactive protein (CRP), a representative inflammatory biomarker, and atherosclerosis (AS), CHD, and inflammation has attracted attention. Therefore, we conducted an extensive search on PubMed using the aforementioned terms as search criteria and identified a total of 1246 articles published from January 2000 to April 2024. Both review and research-based articles consistently indicate CRP as a risk enhancer for CVD, contributing to the refinement of risk stratification and early identification of apparently healthy at-risk populations. Additionally, CRP reflects disease progression and predicts the prognosis of recurrent cardiovascular events. Anti-inflammatory therapeutic strategies targeting CRP also provide new treatment options for patients. This review focuses on the link between CRP and CHD, highlighting how CRP is involved in the pathological progression of AS and its potential value for clinical applications.
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Affiliation(s)
- Xiaona Zhao
- Guangxi University of Chinese Medicine, Nanning, China
- Department of Laboratory Medicine, Shenzhen Institute of Translational Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Cheng Gao
- Department of Laboratory Medicine, Shenzhen Institute of Translational Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Hongfang Chen
- School of Public Health, Dongguan Key Laboratory of Environmental Medicine, Guangdong Medical University, Guangdong, China
| | - Xi Chen
- Medical Department, Shenzhen Luohu People's Hospital, Shenzhen, China
| | - Tonggong Liu
- Department of Laboratory Medicine, Shenzhen Institute of Translational Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Dayong Gu
- Department of Laboratory Medicine, Shenzhen Institute of Translational Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
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2
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Kim ES, Kim SY, Moon A. C-Reactive Protein Signaling Pathways in Tumor Progression. Biomol Ther (Seoul) 2023; 31:473-483. [PMID: 37562952 PMCID: PMC10468419 DOI: 10.4062/biomolther.2023.132] [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: 07/19/2023] [Revised: 07/25/2023] [Accepted: 07/27/2023] [Indexed: 08/12/2023] Open
Abstract
Many cancers arise from sites of chronic inflammation, which creates an inflammatory microenvironment surrounding the tumor. Inflammatory substances secreted by cells in the inflammatory environment can induce the proliferation and survival of cancer cells, thereby promoting cancer metastasis and angiogenesis. Therefore, it is important to identify the role of inflammatory factors in cancer progression. This review summarizes the signaling pathways and roles of C-reactive protein (CRP) in various cancer types, including breast, liver, renal, and pancreatic cancer, and the tumor microenvironment. Mounting evidence suggests the role of CRP in breast cancer, particularly in triple-negative breast cancer (TNBC), which is typically associated with a worse prognosis. Increased CRP in the inflammatory environment contributes to enhanced invasiveness and tumor formation in TNBC cells. CRP promotes endothelial cell formation and angiogenesis and contributes to the initiation and progression of atherosclerosis. In pancreatic and kidney cancers, CRP contributes to tumor progression. In liver cancer, CRP regulates inflammatory responses and lipid metabolism. CRP modulates the activity of various signaling molecules in macrophages and monocytes present in the tumor microenvironment, contributing to tumor development, the immune response, and inflammation. In the present review, we overviewed the role of CRP signaling pathways and the association between inflammation and cancer in various types of cancer. Identifying the interactions between CRP signaling pathways and other inflammatory mediators in cancer progression is crucial for understanding the complex relationship between inflammation and cancer.
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Affiliation(s)
- Eun-Sook Kim
- Duksung Innovative Drug Center, College of Pharmacy, Duksung Women’s University, Seoul 01369, Republic of Korea
| | - Sun Young Kim
- Department of Chemistry, College of Science and Technology, Duksung Women’s University, Seoul 01369, Republic of Korea
| | - Aree Moon
- Duksung Innovative Drug Center, College of Pharmacy, Duksung Women’s University, Seoul 01369, Republic of Korea
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3
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Valverde-Pérez E, Olea E, Obeso A, Prieto-Lloret J, Rocher A, Gonzalez-Obeso E. Intermittent Hypoxia and Diet-Induced Obesity on the Intestinal Wall Morphology in a Murine Model of Sleep Apnea. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1427:89-97. [PMID: 37322339 DOI: 10.1007/978-3-031-32371-3_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
This work analyzes the impact of two conditions, intermittent hypoxia exposure and high-fat diet in rats as models of sleep apnea. We studied the autonomic activity and histological structure of the rat jejunum and whether the overlapping of both conditions, as often observed in patients, induces more deleterious effects on the intestinal barrier. We found alterations in jejunum wall histology, predominantly in HF rats, based on increased crypt depth and submucosal thickness, as well as decreased muscularis propria thickness. These alterations were maintained with the IH and HF overlap. An increase in the number and size of goblet cells in the villi and crypts and the infiltration of eosinophils and lymphocytes in the lamina propria suggest an inflammatory status, confirmed by the increase in plasma CRP levels in all experimental groups. Regarding the CAs analysis, IH, alone or combined with HF, causes a preferential accumulation of NE in the catecholaminergic nerve fibers of the jejunum. In contrast, serotonin increases in all three experimental conditions, with the highest level in the HF group. It remains to be elucidated whether the alterations found in the present work could affect the permeability of the intestinal barrier, promoting sleep apnea-induced morbidities.
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Affiliation(s)
- Esther Valverde-Pérez
- Departamento de Bioquímica y Biología Molecular y Fisiología, Facultad de Medicina, Universidad de Valladolid, Valladolid, Spain
- Instituto de Biomedicina y Genética Molecular (IBGM), UVa-CSIC, Valladolid, Spain
| | - Elena Olea
- Instituto de Biomedicina y Genética Molecular (IBGM), UVa-CSIC, Valladolid, Spain
- Departamento de Enfermería, Facultad de Enfermeria, Universidad de Valladolid, Valladolid, Spain
| | - Ana Obeso
- Departamento de Bioquímica y Biología Molecular y Fisiología, Facultad de Medicina, Universidad de Valladolid, Valladolid, Spain
- Instituto de Biomedicina y Genética Molecular (IBGM), UVa-CSIC, Valladolid, Spain
| | - Jesús Prieto-Lloret
- Departamento de Bioquímica y Biología Molecular y Fisiología, Facultad de Medicina, Universidad de Valladolid, Valladolid, Spain
- Instituto de Biomedicina y Genética Molecular (IBGM), UVa-CSIC, Valladolid, Spain
| | - Asunción Rocher
- Departamento de Bioquímica y Biología Molecular y Fisiología, Facultad de Medicina, Universidad de Valladolid, Valladolid, Spain.
- Instituto de Biomedicina y Genética Molecular (IBGM), UVa-CSIC, Valladolid, Spain.
| | - Elvira Gonzalez-Obeso
- Instituto de Biomedicina y Genética Molecular (IBGM), UVa-CSIC, Valladolid, Spain
- Servicio de Anatomía Patológica, Hospital Clínico Universitario de Valladolid, Valladolid, Spain
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4
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Changes of Hematological and Hemorheological Parameters in Rabbits with Hypercholesterolemia. Metabolites 2021; 11:metabo11040249. [PMID: 33920738 PMCID: PMC8072928 DOI: 10.3390/metabo11040249] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 04/15/2021] [Accepted: 04/16/2021] [Indexed: 12/19/2022] Open
Abstract
Hypercholesterolemia plays an important role in the development of atherosclerosis, leading to endothelial dysfunction, ischemic events, and increased mortality. Numerous studies suggest the pivotal role of rheological factors in the pathology of atherosclerosis. To get a more detailed hematological and hemorheological profile in hypercholesterolemia, we carried out an experiment on rabbits. Animals were divided into two groups: the control group (Control) was kept on normal rabbit chow, the high-cholesterol diet group (HC) was fed with special increased cholesterol-containing food. Hematological parameters (Sysmex K-4500 automate), whole blood and plasma viscosity (Hevimet-40 capillary viscometer), red blood cell (RBC) aggregation (Myrenne MA-1 aggregometer), deformability and mechanical stability (LoRRca MaxSis Osmoscan ektacytometer) were tested. The white blood cell and platelet count, mean corpuscular volume, and mean corpuscular hemoglobin were significantly higher in the HC group, while the RBC count, hemoglobin, and hematocrit values were lower than the Control data. Viscosity values corrected to 40% hematocrit were higher in the HC group. The RBC aggregation significantly increased in the HC vs. the Control. The HC group showed significantly worse results both in RBCs' deformability and membrane stability. In conclusion, the atherogenic diet worsens the hematological and macro- and micro-rheological parameters, affecting blood flow properties and microcirculation.
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Williams RD, Moran JA, Fryer AA, Littlejohn JR, Williams HM, Greenhough TJ, Shrive AK. Monomeric C-Reactive Protein in Serum With Markedly Elevated CRP Levels Shares Common Calcium-Dependent Ligand Binding Properties With an in vitro Dissociated Form of C-Reactive Protein. Front Immunol 2020; 11:115. [PMID: 32117266 PMCID: PMC7010908 DOI: 10.3389/fimmu.2020.00115] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 01/16/2020] [Indexed: 01/16/2023] Open
Abstract
A monomeric form of C-reactive protein (CRP) which precipitates with cell wall pneumococcal C polysaccharide (CWPS) and retains the ability to reversibly bind to its ligand phosphocholine has been produced through urea-induced dissociation at an optimized concentration of 3 M urea over a 10 weeks period. Dissociated samples were purified via size exclusion chromatography and characterized by western blot, phosphocholine affinity chromatography and CWPS precipitation. Human serum samples from patients with raised CRP levels (>100 mg/L as determined by the clinical laboratory assay) were purified by affinity and size exclusion chromatography and analyzed (n = 40) to determine whether circulating monomeric CRP could be detected ex vivo. All 40 samples tested positive for pentameric CRP via western blot and enzyme linked immunosorbent assay (ELISA) analysis. Monomeric C-reactive protein was also identified in all 40 patient samples tested, with an average level recorded of 1.03 mg/L (SE = ±0.11). Both the in vitro monomeric C-reactive protein and the human serum monomeric protein displayed a molecular weight of approximately 23 kDa, both were recognized by the same anti-CRP monoclonal antibody and both reversibly bound to phosphocholine in a calcium-dependent manner. In common with native pentameric CRP, the in vitro mCRP precipitated with CWPS. These overlapping characteristics suggest that a physiologically relevant, near-native monomeric CRP, which retains the structure and binding properties of native CRP subunits, has been produced through in vitro dissociation of pentameric CRP and also isolated from serum with markedly elevated CRP levels. This provides a clear route toward the in-depth study of the structure and function of physiological monomeric CRP.
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Affiliation(s)
- Robert D Williams
- School of Life Sciences, Keele University, Staffordshire, United Kingdom
| | - Jennifer A Moran
- School of Life Sciences, Keele University, Staffordshire, United Kingdom
| | - Anthony A Fryer
- Department of Clinical Biochemistry, Institute for Applied Clinical Sciences, University Hospitals of North Midlands, Keele University, Staffordshire, United Kingdom
| | - Jamie R Littlejohn
- School of Life Sciences, Keele University, Staffordshire, United Kingdom
| | - Harry M Williams
- School of Life Sciences, Keele University, Staffordshire, United Kingdom
| | | | - Annette K Shrive
- School of Life Sciences, Keele University, Staffordshire, United Kingdom
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Arlouskaya Y, Sawicka A, Głowala M, Giebułtowicz J, Korytowska N, Tałałaj M, Nowicka G, Wrzosek M. Asymmetric Dimethylarginine (ADMA) and Symmetric Dimethylarginine (SDMA) Concentrations in Patients with Obesity and the Risk of Obstructive Sleep Apnea (OSA). J Clin Med 2019; 8:jcm8060897. [PMID: 31234586 PMCID: PMC6616493 DOI: 10.3390/jcm8060897] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 06/14/2019] [Accepted: 06/19/2019] [Indexed: 12/25/2022] Open
Abstract
Asymmetric dimethylarginine (ADMA) and symmetric dimethylarginine (SDMA) are endogenous inhibitors of nitric oxide (NO) synthesis, and play a critical role in the process of endothelial dysfunction, and are considered markers of oxidative stress. The aim of the present study was to explore relationships between ADMA and/or SDMA and the occurrence of OSA in obese patients as well as the effect of the endothelial nitric oxide synthase (eNOS) gene polymorphism, which may modify the influence of ADMA or SDMA on NO production. A total of 518 unrelated obese subjects were included in this study. Body weight, height and blood pressure were measured and data on self-reported smoking status were collected. Obstructive sleep apnea (OSA) was assessed by the apnea hypopnea index (AHI). Blood samples were collected to measure serum concentrations of glucose, total cholesterol, LDL-cholesterol, HDL-cholesterol, triglycerides, creatinine, HbA1c (%), folic acid, vitamin B12, C-reactive protein (CRP), aspartate aminotransferase (ASP), alanine aminotransferase (ALT) and IL-6 by routine methods. The NOS3 gene G894T and 4a/4b polymorphisms were detected by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) analysis. ADMA, SDMA and arginine concentrations were assessed simultaneously using liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) method. Adjusted multivariate logistic regression analysis showed a significant association between the occurrence of OSA and high serum ADMA levels, BMI above 40, age > 43 years, hypertension and male sex. Heterozygotes for the G894T eNOS polymorphism have the lowest serum concentrations of ADMA and SDMA, while no effect of the 4a/4b variants was observed. The results indicate that OSA in obese individuals can coexist with high ADMA levels, which appear as a potential OSA predictor.
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Affiliation(s)
- Yana Arlouskaya
- Department of Biochemistry and Pharmacogenomics, Faculty of Pharmacy and Laboratory of Biochemistry and Clinical Chemistry at the Preclinical Research Center, Medical University of Warsaw, 02-097 Warsaw, Poland.
| | - Ada Sawicka
- Department of Family Medicine, Internal Medicine and Metabolic Bone Diseases, Medical Centre of Postgraduate Education, 00-416 Warsaw, Poland.
| | - Marek Głowala
- Department of Biochemistry and Pharmacogenomics, Faculty of Pharmacy and Laboratory of Biochemistry and Clinical Chemistry at the Preclinical Research Center, Medical University of Warsaw, 02-097 Warsaw, Poland.
| | - Joanna Giebułtowicz
- Department of Bioanalysis and Drug Analysis, Medical University of Warsaw, 02-097 Warsaw, Poland.
| | - Natalia Korytowska
- Department of Bioanalysis and Drug Analysis, Medical University of Warsaw, 02-097 Warsaw, Poland.
| | - Marek Tałałaj
- Department of Family Medicine, Internal Medicine and Metabolic Bone Diseases, Medical Centre of Postgraduate Education, 00-416 Warsaw, Poland.
| | - Grażyna Nowicka
- Department of Biochemistry and Pharmacogenomics, Faculty of Pharmacy and Laboratory of Biochemistry and Clinical Chemistry at the Preclinical Research Center, Medical University of Warsaw, 02-097 Warsaw, Poland.
| | - Małgorzata Wrzosek
- Department of Biochemistry and Pharmacogenomics, Faculty of Pharmacy and Laboratory of Biochemistry and Clinical Chemistry at the Preclinical Research Center, Medical University of Warsaw, 02-097 Warsaw, Poland.
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7
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Zhang H, Yang F, Guo Y, Wang L, Fang F, Wu H, Nie S, Wang Y, Fung ML, Huang Y, Deng H, Qin Y, Ma X, Wei Y. The contribution of chronic intermittent hypoxia to OSAHS: From the perspective of serum extracellular microvesicle proteins. Metabolism 2018. [PMID: 29522771 DOI: 10.1016/j.metabol.2018.02.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE Obstructive sleep apnea hypopnea syndrome (OSAHS) is an independent risk factor for many clinical complications. However, how OSAHS cause multiple organ injury and initiate inter-organ communication remains unclear. Moreover, despite it is well-recognized that chronic intermittent hypoxia (CIH) is a main feature of OSAHS, specific contribution of CIH to overall OSAHS-initiated pathological complications remains unclear. This study aimed to use an unbiased proteomic approach to determine whether OSAHS alters protein profiles of serum extracellular microvesicles (SEMVs) and how CIH contributes to such alterations. METHODS Tandem mass tag (TMT)-labeled quantitative proteomics assay was used to compare the differentially expressed proteins (DEPs) in SEMVs of OSAHS patients and non-OSAHS subjects. To evaluate the contribution of CIH to OSAHS, CIH rodent model was constructed and the same comparative proteomics study was performed in SEMVs from CIH and normoxia rats. The similarity and disparity of DEPs and DEPs-related functions predicted by bioinformatics tools were compared in above-mentioned two models, and several DEPs were selected and further verified by ELISA or Western blotting. RESULTS TMT-labeled quantitative proteomics assay unravels 32 DEPs in OSAHS patient SEMVs from a total of 560 human SEMV proteins identified. Four DEPs, namely C-reactive protein (CRP), Haptoglobin (HP),Fibronectin (FN1) and Platelet factor 4 (PF4), were further verified by ELISA and three of them (CRP, FN1 and Hp) showed significant difference in expression level between OSAHS and non-OSAHS groups. In SEMVs of rat CIH model, 121 DEPs out of 723 proteins were identified. By comparing the DEPs identified from the two models, 3 proteins (CRP and FN1 and F13a1) were found identical with the same alteration pattern (CRP was upregulated, FN1 and F13a1 were downregulated) in SEMVs from OSAHS patients and CIH rats, which were further verified by Western blotting. Computational functional analysis further revealed the common and distinct DEP-involved pathways under OSAHS or CIH status. CONCLUSIONS This study provides the first evidence that OSAHS causes significant alteration in SEMV protein composition, which may contribute to OSAHS-triggered multiple organ injury and organ-to-organ communication. Moreover, we have demonstrated that CIH is the primary contributor for increased inflammatory protein expression in SEMV. As CRP is being increasingly recognized not only as a marker but also a mediator of inflammatory response to tissue injury, increased SEMV CRP in CIH/OSAHS may play an important role in OSAHS-induced tissue injury, suggesting SEMV CRP might be a therapeutic target against OSAHS-related complications.
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Affiliation(s)
- Huina Zhang
- Beijing An Zhen Hospital, Capital Medical University, Key Laboratory of Upper Airway Dysfunction-related Cardiovascular Diseases, Beijing Institute of Heart Lung and Blood Vessel Disease, Beijing, China
| | - Fan Yang
- MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing, China
| | - Yichen Guo
- Department of Otolaryngology-Head and Neck Surgery, Beijing An Zhen Hospital, Capital Medical University, China
| | - Li Wang
- Department of Sleep Medical Center, Beijing An Zhen Hospital, Capital Medical University, China
| | - Fang Fang
- Department of Sleep Medical Center, Beijing An Zhen Hospital, Capital Medical University, China
| | - Hao Wu
- Department of Otolaryngology-Head and Neck Surgery, Beijing An Zhen Hospital, Capital Medical University, China
| | - Shaoping Nie
- Department of Emergency, Beijing An Zhen Hospital, Capital Medical University, China
| | - Yifan Wang
- Shenzhen Research Institute, Institute of Vascular Medicine, Li Ka Shing Institute of Health Sciences, Chinese University of Hong Kong, Hong Kong, China
| | - Man-Lung Fung
- Department of Physiology, University of Hong Kong, Pokfulam, Hong Kong, China; Research Centre of Heart, Brain, Hormone and Healthy Aging, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Yu Huang
- Shenzhen Research Institute, Institute of Vascular Medicine, Li Ka Shing Institute of Health Sciences, Chinese University of Hong Kong, Hong Kong, China
| | - Haiteng Deng
- MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing, China
| | - Yanwen Qin
- Beijing An Zhen Hospital, Capital Medical University, Key Laboratory of Upper Airway Dysfunction-related Cardiovascular Diseases, Beijing Institute of Heart Lung and Blood Vessel Disease, Beijing, China
| | - Xinliang Ma
- Department of Emergency Medicine, Thomas Jefferson University, Philadelphia, PA, USA.
| | - Yongxiang Wei
- Beijing An Zhen Hospital, Capital Medical University, Key Laboratory of Upper Airway Dysfunction-related Cardiovascular Diseases, Beijing Institute of Heart Lung and Blood Vessel Disease, Beijing, China; Department of Otolaryngology-Head and Neck Surgery, Beijing An Zhen Hospital, Capital Medical University, China.
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8
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Yavne Y, Tiosano S, Watad A, Comaneshter D, Cohen AD, Amital H. Investigating the link between ischemic heart disease and Behcet's disease: A cross-sectional analysis. Int J Cardiol 2017; 241:41-45. [DOI: 10.1016/j.ijcard.2017.02.135] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 02/12/2017] [Accepted: 02/27/2017] [Indexed: 12/15/2022]
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9
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Ibrahim M, Ahmed IA, Mikail MA, Ishola AA, Draman S, Isa MLM, Yusof AM. Baccaurea angulata fruit juice reduces atherosclerotic lesions in diet-induced Hypercholesterolemic rabbits. Lipids Health Dis 2017; 16:134. [PMID: 28687076 PMCID: PMC5501101 DOI: 10.1186/s12944-017-0526-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 06/22/2017] [Indexed: 02/07/2023] Open
Abstract
Background Atherosclerosis is the most common disease of large and medium-sized arteries linked to oxidative stress, dyslipidemia as well as chronic inflammation. The aim of this study was to evaluate the potential health benefits of Baccaurea angulata (BA) fruit juice on the aorta of diet-induced hypercholesterolemic rabbits, to detect an accumulation of fatty streak and evaluate the percentage of atherosclerotic lesion accrued. Methods Thirty-five healthy male adults New Zealand White rabbits were assigned to seven different groups. Four groups were fed 1% cholesterol diet and 0, 0.5, 1.0, and 1.5 mL of BA fruit juice per kg of rabbit daily (atherogenic groups), while the other three groups were fed commercial rabbit pellet and 0, 0.5, and 1.0 mL of juice per kg of rabbit daily (normocholesterolemic groups) for 90 days. The thoracic and abdominal aorta between the heart origin and bifurcation into iliac arteries of all the rabbits were carefully removed and analyzed accordingly. Results The supplementation of the high-cholesterol diet of hypercholesterolemic rabbits with only 0.5 mL BA/kg rabbit per day significantly (p < 0.001) improved aortic lipid profile, attenuated aortic fatty streak development and reduced intima thickening. Higher BA doses used (1.0 and 1.5 mL/kg rabbit per day) also significantly (p < 0.001) decreased further the development of aortic fatty streaks, reduced the thickening of the tunica intima layer and preserved endothelial healing following arterial injury. Conclusion Therefore, BA fruit is a potential novel functional food with effective anti-inflammatory, anti-atherogenic and hypocholesterolemic activities.
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Affiliation(s)
- Muhammad Ibrahim
- Department of Nutrition Sciences, Kulliyyah of Allied Health Sciences, International Islamic University Malaysia, 25200, Kuantan, Pahang, Malaysia.
| | - Idris Adewale Ahmed
- Department of Nutrition Sciences, Kulliyyah of Allied Health Sciences, International Islamic University Malaysia, 25200, Kuantan, Pahang, Malaysia. .,Department of Biotechnology, Faculty of Science, Lincoln University College, Kelana Jaya, 47301, Petaling Jaya, Selangor, Malaysia.
| | - Maryam Abimbola Mikail
- Department of Nutrition Sciences, Kulliyyah of Allied Health Sciences, International Islamic University Malaysia, 25200, Kuantan, Pahang, Malaysia.,Department of Biotechnology, Faculty of Science, Lincoln University College, Kelana Jaya, 47301, Petaling Jaya, Selangor, Malaysia
| | - Afeez Adekunle Ishola
- Kulliyyah of Medicine, International Islamic University Malaysia, Kuantan, 25200, Malaysia
| | - Samsul Draman
- Kulliyyah of Medicine, International Islamic University Malaysia, Kuantan, 25200, Malaysia
| | - Muhammad Lokman Md Isa
- Kulliyyah of Nursing, International Islamic University Malaysia, Kuantan, 25200, Malaysia
| | - Afzan Mat Yusof
- Department of Biomedical Science, Kulliyyah of Allied Health Sciences, International Islamic University Malaysia, Kuantan, 25200, Malaysia
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10
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Quintero M, Olea E, Conde SV, Obeso A, Gallego-Martin T, Gonzalez C, Monserrat JM, Gómez-Niño A, Yubero S, Agapito T. Age protects from harmful effects produced by chronic intermittent hypoxia. J Physiol 2016; 594:1773-90. [PMID: 26752660 DOI: 10.1113/jp270878] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Accepted: 01/06/2016] [Indexed: 12/23/2022] Open
Abstract
Obstructive sleep apnoea (OSA) affects an estimated 3–7% of the adult population, the frequency doubling at ages >60–65 years. As it evolves, OSA becomes frequently associated with cardiovascular, metabolic and neuropsychiatric pathologies defining OSA syndrome (OSAS). Exposing experimental animals to chronic intermittent hypoxia (CIH) can be used as a model of the recurrent hypoxic and O2 desaturation patterns observed in OSA patients. CIH is an important OSA event triggering associated pathologies; CIH induces carotid body (CB)-driven exaggerated sympathetic tone and overproduction of reactive oxygen species, related to the pathogenic mechanisms of associated pathologies observed in OSAS. Aiming to discover why OSAS is clinically less conspicuous in aged patients, the present study compares CIH effects in young (3–4 months) and aged (22–24 months) rats. To define potential distinctive patterns of these pathogenic mechanisms, mean arterial blood pressure as the final CIH outcome was measured. In young rats, CIH augmented CB sensory responses to hypoxia, decreased hypoxic ventilation and augmented sympathetic activity (plasma catecholamine levels and renal artery content and synthesis rate). An increased brainstem integration of CB sensory input as a trigger of sympathetic activity is suggested. CIH also caused an oxidative status decreasing aconitase/fumarase ratio and superoxide dismutase activity. In aged animals, CIH minimally affected CB responses, ventilation and sympathetic-related parameters leaving redox status unaltered. In young animals, CIH caused hypertension and in aged animals, whose baseline blood pressure was augmented, CIH did not augment it further. Plausible mechanisms of the differences and potential significance of these findings for the diagnosis and therapy of OSAS are discussed.
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Affiliation(s)
- M Quintero
- Department of Biochemistry and Molecular Biology and Physiology, School of Medicine, University of Valladolid and IBGM/CSIC, Valladolid, Spain.,CIBERES, Instituto de Salud Carlos III, Madrid, Spain
| | - E Olea
- Department of Biochemistry and Molecular Biology and Physiology, School of Medicine, University of Valladolid and IBGM/CSIC, Valladolid, Spain.,CIBERES, Instituto de Salud Carlos III, Madrid, Spain
| | - S V Conde
- Chronic Diseases Research Center (CEDOC), Nova Medical School, Faculdade de Ciências Médicas, University of Nova Lisboa, Lisbon, Portugal
| | - A Obeso
- Department of Biochemistry and Molecular Biology and Physiology, School of Medicine, University of Valladolid and IBGM/CSIC, Valladolid, Spain.,CIBERES, Instituto de Salud Carlos III, Madrid, Spain
| | - T Gallego-Martin
- Department of Biochemistry and Molecular Biology and Physiology, School of Medicine, University of Valladolid and IBGM/CSIC, Valladolid, Spain.,CIBERES, Instituto de Salud Carlos III, Madrid, Spain
| | - C Gonzalez
- Department of Biochemistry and Molecular Biology and Physiology, School of Medicine, University of Valladolid and IBGM/CSIC, Valladolid, Spain.,CIBERES, Instituto de Salud Carlos III, Madrid, Spain
| | - J M Monserrat
- Laboratori de la Son, Pneumologia, Hospital Clínic-IDIBAPS, Barcelona, Spain.,CIBERES, Instituto de Salud Carlos III, Madrid, Spain
| | - A Gómez-Niño
- Department of Cell Biology, Histology and Pharmacology, School of Medicine, University of Valladolid and IBGM/CSIC, Valladolid, Spain.,CIBERES, Instituto de Salud Carlos III, Madrid, Spain
| | - S Yubero
- Department of Biochemistry and Molecular Biology and Physiology, School of Medicine, University of Valladolid and IBGM/CSIC, Valladolid, Spain.,CIBERES, Instituto de Salud Carlos III, Madrid, Spain
| | - T Agapito
- Department of Biochemistry and Molecular Biology and Physiology, School of Medicine, University of Valladolid and IBGM/CSIC, Valladolid, Spain.,CIBERES, Instituto de Salud Carlos III, Madrid, Spain
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Zhu C, Yang H, Geng Q, Ma Q, Long Y, Zhou C, Chen M. Association of oxidative stress biomarkers with gestational diabetes mellitus in pregnant women: a case-control study. PLoS One 2015; 10:e0126490. [PMID: 25915047 PMCID: PMC4411158 DOI: 10.1371/journal.pone.0126490] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2014] [Accepted: 04/02/2015] [Indexed: 01/22/2023] Open
Abstract
Objective The relationship between gestational diabetes mellitus (GDM) and oxidative stress has not been fully elucidated. This study examined the association between biomarkers of oxidative stress and GDM. Methods We conducted a case-control study which included 36 women presenting with GDM and 36 asymptomatic matched control subjects who visited Guangzhou Women and Children’s Medical Centre, China, from June 2012 to December 2012. Pregnant women were prospectively recruited to the study, and blood samples were collected at the time of a routine oral glucose tolerance test. These samples were then analyzed for levels of endocrine and surrogate markers of oxidative stress. Results Compared to control subjects, women with GDM exhibited elevated values for plasma glucose, insulin, and insulin resistance (IR), and showed reduced HOMA pancreatic β-cell function (HOMA-B), insulin sensitivity index (ISI), insulinogenic index, and corrected insulin response at 24–28 weeks gestation. A bivariate logistic regression analysis showed that levels of high-sensitivity C reactive protein (hs-CRP) and high fluorescence reticulocytes at fasting, and hs-CRP in a 1-h OGTT, were significantly associated with GDM. A linear regression analysis showed that levels of hs-CRP (P = 0.003) and reticulocytes (P = 0.029) at fasting were associated with IR, and levels of hs-CRP (P = 0.002) and monocytes (P = 0.006) in a 1-h OGTT were associated with ISI. Conclusions Pregnant women with GDM developed a pathological IR and exhibited β-cell dysfunction. Their decreased ability to compensate for oxidative stress was associated with increased IR and a reduced ISI, which might be important factors in GDM.
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Affiliation(s)
- Chunyan Zhu
- Department of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou, 510182, China
| | - Hongling Yang
- Department of Laboratory, Guangzhou Women and Children’s Medical Centre, Guangzhou Medical University, Guangzhou, 510623, China
- * E-mail:
| | - Qingshan Geng
- Guangdong General Hospital, Guangdong Academy of Medical Science, Guangzhou, 510080, China
| | - Qingling Ma
- Department of Laboratory, Guangzhou Women and Children’s Medical Centre, Guangzhou Medical University, Guangzhou, 510623, China
| | - Yan Long
- Department of Laboratory, Guangzhou Women and Children’s Medical Centre, Guangzhou Medical University, Guangzhou, 510623, China
| | - Cheng Zhou
- Department of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou, 510182, China
| | - Ming Chen
- Department of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou, 510182, China
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Zhong Y, Cheng CF, Luo YZ, Tian CW, Yang H, Liu BR, Chen MS, Chen YF, Liu SM. C-reactive protein stimulates RAGE expression in human coronary artery endothelial cells in vitro via ROS generation and ERK/NF-κB activation. Acta Pharmacol Sin 2015; 36:440-7. [PMID: 25832424 DOI: 10.1038/aps.2014.163] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Accepted: 12/09/2014] [Indexed: 12/27/2022] Open
Abstract
AIM The receptor for advanced glycation end-products (RAGE) plays an important role in development of atherosclerosis, and C-reactive protein (CRP) has been found to stimulate its expression in endothelial cells. In this study we investigated how CRP regulated the expression of RAGE in human coronary artery endothelial cells (HCAECs). METHODS HCAECs were treated in vitro with CRP (50 μg/mL) in combination with a variety of inhibitors. ROS generation was determined by immunocytochemistry and flow cytometry. The RAGE expression and phosphorylation of relevant signaling proteins were measured using Western blot analyses. RESULTS CRP stimulated the expression of RAGE in the cells, accompanied by markedly increased ROS generation, phosphorylation of ERK1/2 and NF-κB p65, as well as translocation of NF-κB p65 to the nuclei. CRP also stimulated phosphorylation of JNK and p38 MAPK. Pretreatment of the cells with the ROS scavenger N-acetyl-L-cysteine, ERK inhibitor PD98059 or NF-κB inhibitor PDTC blocked CRP-stimulated RAGE expression, but pretreatment with the NADPH oxidase inhibitor DPI, JNK inhibitor SP600125 or p38 MAPK inhibitor SB203580 did not significantly alter CRP-stimulated RAGE expression. CONCLUSION CRP stimulates RAGE expression in HCAECs in vitro via ROS generation and activation of the ERK/NF-κB signaling pathway.
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Olea E, Agapito MT, Gallego-Martin T, Rocher A, Gomez-Niño A, Obeso A, Gonzalez C, Yubero S. Intermittent hypoxia and diet-induced obesity: effects on oxidative status, sympathetic tone, plasma glucose and insulin levels, and arterial pressure. J Appl Physiol (1985) 2014; 117:706-19. [DOI: 10.1152/japplphysiol.00454.2014] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Obstructive sleep apnea (OSA) consists of sleep-related repetitive obstructions of upper airways that generate episodes of recurrent or intermittent hypoxia (IH). OSA commonly generates cardiovascular and metabolic pathologies defining the obstructive sleep apnea syndrome (OSAS). Literature usually links OSA-associated pathologies to IH episodes that would cause an oxidative status and a carotid body-mediated sympathetic hyperactivity. Because cardiovascular and metabolic pathologies in obese patients and those with OSAS are analogous, we used models (24-wk-old Wistar rats) of IH (applied from weeks 22 to 24) and diet-induced obesity (O; animals fed a high-fat diet from weeks 12 to 24) to define the effect of each individual maneuver and their combination on the oxidative status and sympathetic tone of animals, and to quantify cardiovascular and metabolic parameters and their deviation from normality. We found that IH and O cause an oxidative status (increased lipid peroxides and diminished activities of superoxide dismutases), an inflammatory status (augmented C-reactive protein and nuclear factor kappa-B activation), and sympathetic hyperactivity (augmented plasma and renal artery catecholamine levels and synthesis rate); combined treatments worsened those alterations. IH and O augmented liver lipid content and plasma cholesterol, triglycerides, leptin, glycemia, insulin levels, and HOMA index, and caused hypertension; most of these parameters were aggravated when IH and O were combined. IH diminished ventilatory response to hypoxia, and hypercapnia and O created a restrictive ventilatory pattern; a combination of treatments led to restrictive hypoventilation. Data demonstrate that IH and O cause comparable metabolic and cardiovascular pathologies via misregulation of the redox status and sympathetic hyperactivity.
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Affiliation(s)
- Elena Olea
- Department of Biochemistry and Molecular Biology and Physiology, University of Valladolid, School of Medicine, Vallodolid, Spain; and Institute of Molecular Biology and Genetics, CIBER Enfermedades Respiratorias, CIBERES, Institute of Salud Carlos III, Vallodolid, Spain
| | - Maria Teresa Agapito
- Department of Biochemistry and Molecular Biology and Physiology, University of Valladolid, School of Medicine, Vallodolid, Spain; and Institute of Molecular Biology and Genetics, CIBER Enfermedades Respiratorias, CIBERES, Institute of Salud Carlos III, Vallodolid, Spain
| | - Teresa Gallego-Martin
- Department of Biochemistry and Molecular Biology and Physiology, University of Valladolid, School of Medicine, Vallodolid, Spain; and Institute of Molecular Biology and Genetics, CIBER Enfermedades Respiratorias, CIBERES, Institute of Salud Carlos III, Vallodolid, Spain
| | - Asuncion Rocher
- Department of Biochemistry and Molecular Biology and Physiology, University of Valladolid, School of Medicine, Vallodolid, Spain; and Institute of Molecular Biology and Genetics, CIBER Enfermedades Respiratorias, CIBERES, Institute of Salud Carlos III, Vallodolid, Spain
| | - Angela Gomez-Niño
- Department of Biochemistry and Molecular Biology and Physiology, University of Valladolid, School of Medicine, Vallodolid, Spain; and Institute of Molecular Biology and Genetics, CIBER Enfermedades Respiratorias, CIBERES, Institute of Salud Carlos III, Vallodolid, Spain
| | - Ana Obeso
- Department of Biochemistry and Molecular Biology and Physiology, University of Valladolid, School of Medicine, Vallodolid, Spain; and Institute of Molecular Biology and Genetics, CIBER Enfermedades Respiratorias, CIBERES, Institute of Salud Carlos III, Vallodolid, Spain
| | - Constancio Gonzalez
- Department of Biochemistry and Molecular Biology and Physiology, University of Valladolid, School of Medicine, Vallodolid, Spain; and Institute of Molecular Biology and Genetics, CIBER Enfermedades Respiratorias, CIBERES, Institute of Salud Carlos III, Vallodolid, Spain
| | - Sara Yubero
- Department of Biochemistry and Molecular Biology and Physiology, University of Valladolid, School of Medicine, Vallodolid, Spain; and Institute of Molecular Biology and Genetics, CIBER Enfermedades Respiratorias, CIBERES, Institute of Salud Carlos III, Vallodolid, Spain
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Isordia-Salas I, Galván-Plata ME, Leaños-Miranda A, Aguilar-Sosa E, Anaya-Gómez F, Majluf-Cruz A, Santiago-Germán D. Proinflammatory and prothrombotic state in subjects with different glucose tolerance status before cardiovascular disease. J Diabetes Res 2014; 2014:631902. [PMID: 24772446 PMCID: PMC3977085 DOI: 10.1155/2014/631902] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2013] [Accepted: 01/22/2014] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Inflammation has been associated with insulin resistance, type 2 diabetes mellitus (T2DM), and atherothrombosis. AIM To determine differences in levels of proinflammatory and prothrombotic markers such as high sensitivity C-reactive protein (hs-CRP) and fibrinogen in subjects with normal glucose tolerance (NGT), prediabetes, and T2DM and to establish their relationship with other cardiovascular risk factors before clinical manifestations of cardiovascular disease. METHODS We conducted a nonrandomized, cross-sectional assay in a hospital at México City. The levels of hs-CRP and fibrinogen were measured and compared according to glucose tolerance status. RESULTS We enrolled 1047 individuals and they were distributed into NGT n = 473, pre-DM n = 250, and T2DM n = 216. There was a statistical difference between NGT and T2DM groups for fibrinogen (P = 0.01) and hs-CRP (P = 0.05). Fibrinogen and hs-CRP showed a significant positive correlation coefficient (r = 0.53, P<0.0001). In a multiple stepwise regression analysis, the variability in fibrinogen levels was explained by age, HbA1c, and hs-CRP (adjusted R² = 0.31, P<0.0001), and for hs-CRP it was explained by BMI and fibrinogen (adjusted R² = 0.33, P<0.0001). CONCLUSION Inflammation and prothrombotic state are present in people with T2DM lacking cardiovascular disease. Fibrinogen and Hs-CRP are positively correlated. Fibrinogen and hs-CRP concentrations are predominantly determined by BMI rather than glucose levels.
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Affiliation(s)
- Irma Isordia-Salas
- Unidad de Investigación Médica en Trombosis, Hemostasia y Aterogénesis, H.G.R. No. 1 “Dr. Carlos Mac Gregor Sánchez Navarro” Instituto Mexicano del Seguro Social, Apartado Postal B 32, Coahuila No. 5, 06703 México, DF, Mexico
- *Irma Isordia-Salas:
| | - María Eugenia Galván-Plata
- Servicio de Medicina Interna, UMAE, Hospital de Especialidades, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, 06720 México, DF, Mexico
| | - Alfredo Leaños-Miranda
- Unidad de Investigación Médica en Medicina Reproductiva, UMAE H.G.O. No. 4, Instituto Mexicano del Seguro Social, 01070 México, DF, Mexico
| | - Eberth Aguilar-Sosa
- Servicio de Medicina Interna, H.G.Z. A 2 “Francisco del Paso y Troncoso”, del Instituto Mexicano del Seguro Social, 08400 México, DF, Mexico
| | - Francisco Anaya-Gómez
- Servicio de Medicina Interna, H.G.R. No. 1 “Dr. Carlos Mac Gregor Sánchez Navarro” Instituto Mexicano del Seguro Social, 03100 México, DF, Mexico
| | - Abraham Majluf-Cruz
- Unidad de Investigación Médica en Trombosis, Hemostasia y Aterogénesis, H.G.R. No. 1 “Dr. Carlos Mac Gregor Sánchez Navarro” Instituto Mexicano del Seguro Social, Apartado Postal B 32, Coahuila No. 5, 06703 México, DF, Mexico
| | - David Santiago-Germán
- Unidad de Investigación Médica en Trombosis, Hemostasia y Aterogénesis, H.G.R. No. 1 “Dr. Carlos Mac Gregor Sánchez Navarro” Instituto Mexicano del Seguro Social, Apartado Postal B 32, Coahuila No. 5, 06703 México, DF, Mexico
- Servicio de Urgencias, H.G.R. No. 1 “Dr. Carlos Mac Gregor Sánchez Navarro” Instituto Mexicano del Seguro Social, 03100 México, DF, Mexico
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Quintero M, Gonzalez-Martin MDC, Vega-Agapito V, Gonzalez C, Obeso A, Farré R, Agapito T, Yubero S. The effects of intermittent hypoxia on redox status, NF-κB activation, and plasma lipid levels are dependent on the lowest oxygen saturation. Free Radic Biol Med 2013; 65:1143-1154. [PMID: 24002010 DOI: 10.1016/j.freeradbiomed.2013.08.180] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2013] [Revised: 08/01/2013] [Accepted: 08/23/2013] [Indexed: 12/11/2022]
Abstract
Obstructive sleep apnea syndrome (OSAS) is described as repetitive obstructions of the upper airways during sleep, causing concomitant episodes of systemic hypoxia and associated cardiovascular and metabolic pathologies. The mechanisms generating these pathologies are controversial. Because recurrent hypoxia is the element of inadequate respiration that leads to the pathology, experimental models of OSAS consist in the exposure of the animals to intermittent hypoxia (IH) by cycling O2 percentages in their habitats. A proposed mechanism linking the IH of OSAS to pathologies is the increased production of reactive oxygen species (ROS). However, it has been argued that many patients seem to lack oxidative stress and that, to augment ROS in IH animals, intense hypoxia, seldom encountered in patients, has to be applied. To solve the controversy, we have exposed rats to two intensities of IH (cycles of 10 or 5% O2, 40s, and then 21% O2, 80s; 8h/day, 15 days). We then measured reduced and oxidized glutathione and lipid peroxide levels, aconitase and fumarase activities, and ROS-disposal enzyme activity in liver, brain, and lung. Liver levels of nuclear NF-κB-p65 and plasma C-reactive protein (CRP), as well as lipid levels, were also assessed. Lowest hemoglobin saturations were 91.7 ± 0.8 and 73.5 ± 1.4%. IH caused tissue-specific oxidative stress related to hypoxic intensity. Nuclear NF-κB-p65 and lipid content in the liver and CRP in the plasma all increased with IH intensity, as did both plasma triglycerides and cholesterol. We conclude that IH, even of moderate intensity, causes oxidative stress probably related to the pathologies encountered in OSAS patients.
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Affiliation(s)
- Miguel Quintero
- Institute of Molecular Biology and Genetics, CSIC, Department of Biochemistry and Molecular Biology and Physiology, School of Medicine, University of Valladolid, 47005 Valladolid, Spain
| | - María Del Carmen Gonzalez-Martin
- Institute of Molecular Biology and Genetics, CSIC, Department of Biochemistry and Molecular Biology and Physiology, School of Medicine, University of Valladolid, 47005 Valladolid, Spain
| | - Victoria Vega-Agapito
- Institute of Molecular Biology and Genetics, CSIC, Department of Biochemistry and Molecular Biology and Physiology, School of Medicine, University of Valladolid, 47005 Valladolid, Spain
| | - Constancio Gonzalez
- Institute of Molecular Biology and Genetics, CSIC, Department of Biochemistry and Molecular Biology and Physiology, School of Medicine, University of Valladolid, 47005 Valladolid, Spain; CIBER Enfermedades Respiratorias, Institute of Salud Carlos III, 28029 Madrid, Spain
| | - Ana Obeso
- Institute of Molecular Biology and Genetics, CSIC, Department of Biochemistry and Molecular Biology and Physiology, School of Medicine, University of Valladolid, 47005 Valladolid, Spain; CIBER Enfermedades Respiratorias, Institute of Salud Carlos III, 28029 Madrid, Spain
| | - Ramon Farré
- CIBER Enfermedades Respiratorias, Institute of Salud Carlos III, 28029 Madrid, Spain; Unitat de Biofísica i Bioenginyeria, Facultat de Medicina, Universitat de Barcelona-IDIBAPS, Barcelona, Spain
| | - Teresa Agapito
- Institute of Molecular Biology and Genetics, CSIC, Department of Biochemistry and Molecular Biology and Physiology, School of Medicine, University of Valladolid, 47005 Valladolid, Spain; CIBER Enfermedades Respiratorias, Institute of Salud Carlos III, 28029 Madrid, Spain
| | - Sara Yubero
- Institute of Molecular Biology and Genetics, CSIC, Department of Biochemistry and Molecular Biology and Physiology, School of Medicine, University of Valladolid, 47005 Valladolid, Spain; CIBER Enfermedades Respiratorias, Institute of Salud Carlos III, 28029 Madrid, Spain.
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16
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Karbiner MS, Sierra L, Minahk C, Fonio MC, Bruno MPD, Jerez S. The role of oxidative stress in alterations of hematological parameters and inflammatory markers induced by early hypercholesterolemia. Life Sci 2013; 93:503-8. [PMID: 23994665 DOI: 10.1016/j.lfs.2013.08.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2013] [Revised: 07/30/2013] [Accepted: 08/08/2013] [Indexed: 10/26/2022]
Abstract
AIMS The investigation of the effects of a high cholesterol diet (HD) for a short-time period on hematological parameters and the potential role of oxidative stress and inflammation markers. MAIN METHODS Rabbits were fed either a control diet or a diet containing 1% cholesterol (HD) for 5-6 weeks. The plasma lipid levels, C reactive protein (CRP), total red blood cells (RBC), total white blood cells (WBC), platelet count, packed cell volume (PCV) and leukocyte formula were determined. Oxidative stress was evaluated by the thiobarbituric acid reactive substances (TBARS), total glutathione and GSH serum level measurements. The osmotic fragility and the membrane fluidity of erythrocytes were determined. The levels of total cholesterol and TBARS were also measured in the erythrocyte membrane suspension. KEY FINDINGS A decrease in the RBC and PCV was observed in rabbits fed on HD. The membrane rigidity and osmotic fragility were increased, and the morphological changes caused by the HD and TBARS levels in the erythrocyte membrane may account for this phenomenon. The inflammatory markers as the CRP levels, the platelet count, the WBC and the neutrophils were increased. The TBARS and GSH levels in the serum were increased and decreased, respectively. SIGNIFICANCE This study shows that feeding rabbits an HD for a short time induces hematological alterations, disturbances in the oxidant-antioxidant balance and an increase of inflammatory markers. These findings support the importance of the early correction or prevention of high cholesterol levels to disrupt the process leading to the development of cardiovascular diseases.
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Affiliation(s)
- María Sofía Karbiner
- Departamento de Fisiología (INSIBIO-UNT-CONICET), Universidad Nacional de Tucumán (UNT), Tucumán, Argentina
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