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Aslan EI, Ozkara G, Kilicarslan O, Ser OS, Bostan C, Yildiz A, Diren Borekcioglu A, Ozturk O, Kucukhuseyin O, Yilmaz Aydogan H. Receptor for advanced glycation end products polymorphisms in coronary artery ectasia. Gene 2024; 916:148450. [PMID: 38588932 DOI: 10.1016/j.gene.2024.148450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 03/15/2024] [Accepted: 04/05/2024] [Indexed: 04/10/2024]
Abstract
BACKGROUND Although the implication of receptor of advanced glycation endproducts (RAGE) has been reported in coronary artery disease, its roles in coronary artery ectasia (CAE) have remained undetermined. Furthermore, the effect of RAGE polymorfisms were not well-defined in scope of soluble RAGE (sRAGE) levels. Thus, we aimed to investigate the influence of the functional polymorphisms of RAGE -374T > A (rs1800624) and G82S (rs2070600) in CAE development. METHODS This prospective observational study was conducted in 2 groups selected of 2452 patients who underwent elective coronary angiography (CAG) for evaluation after positive noninvasive heart tests. Group-I included 98 patients with non-obstructive coronary artery disease and CAE, and Group-II (control) included 100 patients with normal coronary arteries. SNPs were genotyped by real-time PCR using Taqman® genotyping assay. Serum sRAGE and soluble lectin-like oxidized receptor-1 (sOLR1) were assayed by ELISA and serum lipids were measured enzymatically. RESULTS The frequencies of the RAGE -374A allele and -374AA genotype were significantly higher in CAE patients compared to controls (p < 0.001). sRAGE levels were not different between study groups, while sOLR1 levels were elevated in CAE (p = 0.004). In controls without systemic disease, -374A allele was associated with low sRAGE levels (p < 0.05), but this association was not significant in controls with HT. Similarly, sRAGE levels of CAE patients with both HT and T2DM were higher than those no systemic disease (p = 0.02). The -374A allele was also associated with younger patient age and higher platelet count in the CAE group in both total and subgroup analyses. In the correlation analyses, the -374A allele was also negatively correlated with age and positively correlated with Plt in all of these CAE groups. In the total CAE group, sRAGE levels also showed a positive correlation with age and a negative correlation with HDL-cholesterol levels. On the other hand, a negative correlation was observed between sRAGE and Plt in the total, hypertensive and no systemic disease control subgroups. Multivariate logistic regression analysis confirmed that the -374A allele (p < 0.001), hyperlipidemia (p < 0.05), and high sOLR1 level (p < 0.05) are risk factors for CAE. ROC curve analysis shows that RAGE -374A allele has AUC of 0.713 (sensitivity: 83.7 %, specificity: 59.0 %), which is higher than HLD (sensitivity: 59.2 %, specificity: 69.0 %), HT (sensitivity: 62.4 %, specificity: 61.1 %) and high sOLR1 level (≥0.67 ng/ml)) (sensitivity: 59.8 %, specificity: 58.5 %). CONCLUSION Beside the demonstration of the relationship between -374A allele and increased risk of CAE for the first time, our results indicate that antihypertensive and antidiabetic treatment in CAE patients causes an increase in sRAGE levels. The lack of an association between the expected -374A allele and low sRAGE levels in total CAE group was attributed to the high proportion of hypertensive patients and hence to antihypertensive treatment. Moreover, the RAGE -374A allele is associated with younger age at CAE and higher Plt, suggesting that -374A may also be associated with platelet activation, which plays a role in the pathogenesis of CAE. However, our data need to be confirmed in a large study for definitive conclusions.
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Affiliation(s)
- Ezgi Irmak Aslan
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey; Department of Medical Biochemistry, Faculty of Medicine, Istanbul Nisantasi University, Istanbul, Turkey.
| | - Gulcin Ozkara
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey; Department of Medical Biology, Bezmialem Vakıf University, Istanbul, Turkey.
| | - Onur Kilicarslan
- Department of Cardiology, Institute of Cardiology, Istanbul University-Cerrahpasa, Istanbul, Turkey.
| | - Ozgur Selim Ser
- Department of Cardiology, Institute of Cardiology, Istanbul University-Cerrahpasa, Istanbul, Turkey.
| | - Cem Bostan
- Department of Cardiology, Institute of Cardiology, Istanbul University-Cerrahpasa, Istanbul, Turkey.
| | - Ahmet Yildiz
- Department of Cardiology, Institute of Cardiology, Istanbul University-Cerrahpasa, Istanbul, Turkey.
| | - Ayca Diren Borekcioglu
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey.
| | - Oguz Ozturk
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey.
| | - Ozlem Kucukhuseyin
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey.
| | - Hulya Yilmaz Aydogan
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey.
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Sánchez-León ME, Loaeza-Reyes KJ, Matias-Cervantes CA, Mayoral-Andrade G, Pérez-Campos EL, Pérez-Campos-Mayoral L, Hernández-Huerta MT, Zenteno E, Pérez-Cervera Y, Pina-Canseco S. LOX-1 in Cardiovascular Disease: A Comprehensive Molecular and Clinical Review. Int J Mol Sci 2024; 25:5276. [PMID: 38791315 PMCID: PMC11121106 DOI: 10.3390/ijms25105276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 05/06/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
LOX-1, ORL-1, or lectin-like oxidized low-density lipoprotein receptor 1 is a transmembrane glycoprotein that binds and internalizes ox-LDL in foam cells. LOX-1 is the main receptor for oxidized low-density lipoproteins (ox-LDL). The LDL comes from food intake and circulates through the bloodstream. LOX-1 belongs to scavenger receptors (SR), which are associated with various cardiovascular diseases. The most important and severe of these is the formation of atherosclerotic plaques in the intimal layer of the endothelium. These plaques can evolve into complicated thrombi with the participation of fibroblasts, activated platelets, apoptotic muscle cells, and macrophages transformed into foam cells. This process causes changes in vascular endothelial homeostasis, leading to partial or total obstruction in the lumen of blood vessels. This obstruction can result in oxygen deprivation to the heart. Recently, LOX-1 has been involved in other pathologies, such as obesity and diabetes mellitus. However, the development of atherosclerosis has been the most relevant due to its relationship with cerebrovascular accidents and heart attacks. In this review, we will summarize findings related to the physiologic and pathophysiological processes of LOX-1 to support the detection, diagnosis, and prevention of those diseases.
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Affiliation(s)
- Maria Eugenia Sánchez-León
- Centro de Investigación Facultad de Medicina-UNAM-UABJO, Universidad Autónoma “Benito Juárez” de Oaxaca, Oaxaca 68020, Mexico; (M.E.S.-L.); (K.J.L.-R.); (C.A.M.-C.); (G.M.-A.); (L.P.-C.-M.)
| | - Karen Julissa Loaeza-Reyes
- Centro de Investigación Facultad de Medicina-UNAM-UABJO, Universidad Autónoma “Benito Juárez” de Oaxaca, Oaxaca 68020, Mexico; (M.E.S.-L.); (K.J.L.-R.); (C.A.M.-C.); (G.M.-A.); (L.P.-C.-M.)
- Centro de Estudios en Ciencias de la Salud y la Enfermedad, Facultad de Odontología, Universidad Autónoma “Benito Juárez” de Oaxaca, Oaxaca 68020, Mexico
| | - Carlos Alberto Matias-Cervantes
- Centro de Investigación Facultad de Medicina-UNAM-UABJO, Universidad Autónoma “Benito Juárez” de Oaxaca, Oaxaca 68020, Mexico; (M.E.S.-L.); (K.J.L.-R.); (C.A.M.-C.); (G.M.-A.); (L.P.-C.-M.)
| | - Gabriel Mayoral-Andrade
- Centro de Investigación Facultad de Medicina-UNAM-UABJO, Universidad Autónoma “Benito Juárez” de Oaxaca, Oaxaca 68020, Mexico; (M.E.S.-L.); (K.J.L.-R.); (C.A.M.-C.); (G.M.-A.); (L.P.-C.-M.)
| | | | - Laura Pérez-Campos-Mayoral
- Centro de Investigación Facultad de Medicina-UNAM-UABJO, Universidad Autónoma “Benito Juárez” de Oaxaca, Oaxaca 68020, Mexico; (M.E.S.-L.); (K.J.L.-R.); (C.A.M.-C.); (G.M.-A.); (L.P.-C.-M.)
| | - María Teresa Hernández-Huerta
- Consejo Nacional de Humanidades, Ciencias y Tecnologías, Facultad de Medicina y Cirugía, Universidad Autónoma “Benito Juárez” de Oaxaca, Oaxaca 68120, Mexico;
| | - Edgar Zenteno
- Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Yobana Pérez-Cervera
- Centro de Investigación Facultad de Medicina-UNAM-UABJO, Universidad Autónoma “Benito Juárez” de Oaxaca, Oaxaca 68020, Mexico; (M.E.S.-L.); (K.J.L.-R.); (C.A.M.-C.); (G.M.-A.); (L.P.-C.-M.)
- Centro de Estudios en Ciencias de la Salud y la Enfermedad, Facultad de Odontología, Universidad Autónoma “Benito Juárez” de Oaxaca, Oaxaca 68020, Mexico
| | - Socorro Pina-Canseco
- Centro de Investigación Facultad de Medicina-UNAM-UABJO, Universidad Autónoma “Benito Juárez” de Oaxaca, Oaxaca 68020, Mexico; (M.E.S.-L.); (K.J.L.-R.); (C.A.M.-C.); (G.M.-A.); (L.P.-C.-M.)
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Zhang D, Gao JL, Zhao CY, Wang DN, Xing XS, Hou XY, Wang SS, Liu Q, Luo Y. Cyclin G2 promotes the formation of smooth muscle cells derived foam cells in atherosclerosis via PP2A/NF-κB/LOX-1 pathway. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:446. [PMID: 33850843 PMCID: PMC8039706 DOI: 10.21037/atm-20-6207] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Background To investigate the role and underlying mechanism of cyclin G2 (G2-type cyclin) in the formation of vascular smooth muscle cells (VSMCs) derived foam cells. Methods The levels of α-SMA (alpha-SM-actin), p-NF-κB (phosphorylation nuclear transcription factors kappa B), and LOX-1 (lectin-like oxidized low-density lipoprotein receptor-1) were measured by immunohistochemistry and western blotting. The mouse aortic root smooth muscle cell line MOVAS was transfected to over-express cyclin G2, which were then stimulated with 80 µg/mL ox-LDL (oxidized low-density lipoprotein) to induce foam cell formation. DT-061 an activator of PP2A (protein phosphatase 2A) agonist was used to verify the role of PP2A in the process. Results Knocking out the Ccng2 gene in Apoe-/- mice alleviated aortic lipid plaque, foam cell formulation, ameliorative body weight, and LDL-cholesterol. We observed that the number of α-SMA positive cells was significantly decreased in Apoe-/-Ccng2-/- mice compared to Apoe-/- mice. Also, the protein levels of p-NF-κB and LOX-1 were markedly reduced in the aortic root of Apoe-/-Ccng2-/- mice. Upon stimulation with ox-LDL, upregulated cyclin G2 increased the intracellular lipid accumulation in MOVAS cells. Also, it suppressed the activity of PP2A but up-regulated LOX-1. Additionally, the cell nuclear translocation of p-NF-κB was increased. Interestingly, DT-061 intervention, re-activating the activity of PP2A, reduced the levels of nuclear p-NF-κB and LOX-1. This led to decreased lipid endocytosis reducing the formation of VSMCs- derived foam cells. Conclusions Cyclin G2 increases the nuclear translocation of p-NF-κB by reducing the enzymatic activity of PP2A and upregulating LOX-1, thereby promotes the formation of VSMCs -derived foam cells in atherosclerosis.
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Affiliation(s)
- Di Zhang
- The Research Center for Medical Genomics, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Jin-Lan Gao
- The Research Center for Medical Genomics, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Chen-Yang Zhao
- The Research Center for Medical Genomics, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Dan-Ning Wang
- The Research Center for Medical Genomics, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Xue-Sha Xing
- The Research Center for Medical Genomics, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Xiao-Yu Hou
- The Research Center for Medical Genomics, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Shu-Sen Wang
- The Research Center for Medical Genomics, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Qi Liu
- The Research Center for Medical Genomics, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Yang Luo
- The Research Center for Medical Genomics, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
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Dadachanji R, Patil A, Mukherjee S. Investigating oxidized LDL receptor 1 (OLR1) polymorphisms as putative genetic markers for polycystic ovary syndrome. Meta Gene 2021. [DOI: 10.1016/j.mgene.2020.100829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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5
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Aydemir B, Behice Serinkan Cinemre F, Cinemre H, Tüten A, Aytaç Yüksel M, Yılmaz N, Kaya B, Akdemir N, Erdogan E, Madazlı R. Paraoxonase 1 (PON1) Q192R and L55M polymorphisms, lipid profile, lipid peroxidation and lipoprotein-a levels in Turkish patients with pregnancy-related disorders. Gynecol Endocrinol 2019; 35:417-421. [PMID: 30654664 DOI: 10.1080/09513590.2018.1532990] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
The aim of this study was to investigate the role of PON1Q192R and L55M single nucleotide polymorphisms(SNPs) and its association with the maternal levels of lipid parameters in gestational diabetes mellitus(GDM) and preeclampsia(PE). Ninety-nine pregnant with GDM, 97 pregnant with PE and 98 healthy pregnant were included in the study. No statistically significant difference was observed in the alleles or in the genotypes frequencies of SNPs between groups. In GDM patients, total cholesterol was higher in MM genotype of L55M gene (p < .05); Lp(a) were lower in LM genotype of the gene compared to their respective control (p < .05). In PE, HDL-C levels were higher in LM genotype (p < .05); LDL-C levels were lower in MM genotype of the gene compared to their respective control (p < .05). In PE patients, malondialdehyde(MDA) were higher in QQ genotype compared to their respective control (p < .05). Triglyceride levels were higher in PE patients with QR genotype compared with GDM patients with QR genotype (p < .05). Our results indicated that lipid profiles, Lp(a) and MDA levels showed significant differences in GDM and PE pregnants. These findings support the importance of the lipid profile, oxidized lipid and Lp(a) in different genotypes of L55M and Q192R in Turkish pregnant women with PE/GDM suggesting their roles in etiopathogenesis in these pregnancy-related disorders.
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Affiliation(s)
- Birsen Aydemir
- a Department of Biophysics Medical Faculty , Sakarya University , Sakarya, Turkey
| | | | - Hakan Cinemre
- c Department of Internal Medicine Medical Faculty , Sakarya University , Sakarya , Turkey
| | - Abdullah Tüten
- d Departments of Obstetrics and Gynecology Cerrahpasa Medical Faculty , Istanbul University , Istanbul , Turkey
| | - M Aytaç Yüksel
- d Departments of Obstetrics and Gynecology Cerrahpasa Medical Faculty , Istanbul University , Istanbul , Turkey
| | - Nevin Yılmaz
- d Departments of Obstetrics and Gynecology Cerrahpasa Medical Faculty , Istanbul University , Istanbul , Turkey
| | - Barıs Kaya
- e Departments of Obstetrics and Gynecology Medical Faculty , Near East University , Mersin , Turkey
| | - Nermin Akdemir
- f Departments of Obstetrics and Gynecology Medical Faculty , Sakarya University , Sakarya , Turkey
| | - Elif Erdogan
- a Department of Biophysics Medical Faculty , Sakarya University , Sakarya, Turkey
| | - Rıza Madazlı
- d Departments of Obstetrics and Gynecology Cerrahpasa Medical Faculty , Istanbul University , Istanbul , Turkey
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Guo X, Xiang Y, Yang H, Yu L, Peng X, Guo R. Association of the LOX-1 rs1050283 Polymorphism with Risk for Atherosclerotic Cerebral Infarction and its Effect on sLOX-1 and LOX-1 Expression in a Chinese Population. J Atheroscler Thromb 2016; 24:572-582. [PMID: 27840386 PMCID: PMC5453683 DOI: 10.5551/jat.36327] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
AIMS The interaction between lectin-like oxidized low density lipoprotein (LDL) receptor-1 (LOX-1) and oxidized LDL (ox-LDL) has been viewed as an important pathogenic factor for cardiovascular diseases. This study aimed to explore the association of a functional polymorphism rs1050283 in the 3'-untranslated region of the LOX-1 gene with atherosclerotic cerebral infarction (ACI) susceptibility, and we also investigated the effects of the rs1050283 polymorphism on LOX-1 expression and serum levels of sLOX-1 in patients with ACI. METHODS A case-controlled study was performed in 526 patients with ACI and 640 healthy controls. Genotyping was performed by DNA sequencing method. Real-time PCR and Western blotting were used to determine the level of LOX-1 expression. Serum levels of sLOX-1 were quantified using ELISA according to the manufacturer's instruction. RESULTS The results of the present study showed that the frequency of rs1050283 T allele was significantly higher in patients with ACI than in healthy controls. We also found that the rs1050283 polymorphism T allele was associated with increased LOX-1 expression at mRNA and protein levels in patients with ACI. Furthermore, we also observed that among patients with ACI, those with the rs1050283 T allele showed an increased serum level of sLOX-1. CONCLUSION Our research demonstrated that the rs1050283 T allele of LOX-1 is strongly associated with an increased risk for ACI in a Chinese population, which also affects levels of LOX-1 and sLOX-1.
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Affiliation(s)
- Xin Guo
- Department of Pharmacy, The Third Xiangya Hospital, Central South University
| | - Yuanyuan Xiang
- Department of Pharmacy, The Third Xiangya Hospital, Central South University
| | - Heng Yang
- Department of Neurology, The Third Xiangya Hospital, Central South University
| | - Lijin Yu
- Department of Pharmacy, The Third Xiangya Hospital, Central South University
| | - Xiangdong Peng
- Department of Pharmacy, The Third Xiangya Hospital, Central South University
| | - Ren Guo
- Department of Pharmacy, The Third Xiangya Hospital, Central South University
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7
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Madrigal-Ruíz PM, Navarro-Hernández RE, Ruíz-Quezada SL, Corona-Meraz FI, Vázquez-Del Mercado M, Gómez-Bañuelos E, Castro-Albarran J, Sandoval-García F, Flores-Alvarado LJ, Martín-Marquez BT. Low CD36 and LOX-1 Levels and CD36 Gene Subexpression Are Associated with Metabolic Dysregulation in Older Individuals with Abdominal Obesity. J Diabetes Res 2016; 2016:5678946. [PMID: 27525284 PMCID: PMC4976145 DOI: 10.1155/2016/5678946] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 06/17/2016] [Accepted: 06/19/2016] [Indexed: 12/28/2022] Open
Abstract
Background. Obesity study in the context of scavenger receptors has been linked to atherosclerosis. CD36 and LOX-1 are important, since they have been associated with atherogenic and metabolic disease but not fat redistribution. The aim of our study was to determinate the association between CD36 and LOX-1 in presence of age and abdominal obesity. Methods. This is a cross-sectional study that included 151 healthy individuals, clinically and anthropometrically classified into two groups by age (<30 and ≥30 years old) and abdominal obesity (according to World Health Organization guidelines). We excluded individuals with any chronic and metabolic illness, use of medication, or smoking. Fasting blood samples were taken to perform determination of CD36 mRNA expression by real-time PCR, lipid profile and metabolic and low grade inflammation markers by routine methods, and soluble scavenger receptors (CD36 and LOX-1) by ELISA. Results. Individuals ≥30 years old with abdominal obesity presented high atherogenic index, lower soluble scavenger receptor levels, and subexpression of CD36 mRNA (54% less). On the other hand, individuals <30 years old with abdominal adiposity presented higher levels in the same parameters, except LOX-1 soluble levels. Conclusion. In this study, individuals over 30 years of age presented low soluble scavenger receptors levels pattern and CD36 gene subexpression, which suggest the chronic metabolic dysregulation in abdominal obesity.
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Affiliation(s)
- Perla-Monserrat Madrigal-Ruíz
- Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
- Instituto de Investigación en Reumatología y del Sistema Músculo Esquelético, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
- UDG-CA-701, Grupo de Investigación Inmunometabolismo en Enfermedades Emergentes (GIIEE), Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
| | - Rosa-Elena Navarro-Hernández
- Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
- Instituto de Investigación en Reumatología y del Sistema Músculo Esquelético, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
- UDG-CA-701, Grupo de Investigación Inmunometabolismo en Enfermedades Emergentes (GIIEE), Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
| | - Sandra-Luz Ruíz-Quezada
- UDG-CA-701, Grupo de Investigación Inmunometabolismo en Enfermedades Emergentes (GIIEE), Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
- Departamento de Farmacobiología, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Boulevard Marcelino García Barragán No. 1421, 44430 Guadalajara, JAL, Mexico
| | - Fernanda-Isadora Corona-Meraz
- Instituto de Investigación en Reumatología y del Sistema Músculo Esquelético, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
- UDG-CA-701, Grupo de Investigación Inmunometabolismo en Enfermedades Emergentes (GIIEE), Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
| | - Mónica Vázquez-Del Mercado
- Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
- Instituto de Investigación en Reumatología y del Sistema Músculo Esquelético, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
- Servicio de Reumatología, División de Medicina Interna, Hospital Civil “Dr. Juan I. Menchaca”, Universidad de Guadalajara, Salvador de Quevedo y Zubieta No. 750, 44340 Guadalajara, JAL, Mexico
- UDG-CA-703, Grupo de Investigación en Inmunología y Reumatología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
| | - Eduardo Gómez-Bañuelos
- Instituto de Investigación en Reumatología y del Sistema Músculo Esquelético, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
- UDG-CA-701, Grupo de Investigación Inmunometabolismo en Enfermedades Emergentes (GIIEE), Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
- UDG-CA-703, Grupo de Investigación en Inmunología y Reumatología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
| | - Jorge Castro-Albarran
- Instituto de Investigación en Reumatología y del Sistema Músculo Esquelético, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
- UDG-CA-701, Grupo de Investigación Inmunometabolismo en Enfermedades Emergentes (GIIEE), Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
| | - Flavio Sandoval-García
- Instituto de Investigación en Reumatología y del Sistema Músculo Esquelético, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
- Departamento de Clínicas Médicas, Antiguo Hospital Civil de Guadalajara, Calle Hospital No. 320, Colonia El Retiro, 44360 Guadalajara, JAL, Mexico
| | - Luis-Javier Flores-Alvarado
- Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
- UDG-CA-701, Grupo de Investigación Inmunometabolismo en Enfermedades Emergentes (GIIEE), Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
| | - Beatriz-Teresita Martín-Marquez
- Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
- Instituto de Investigación en Reumatología y del Sistema Músculo Esquelético, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
- UDG-CA-703, Grupo de Investigación en Inmunología y Reumatología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Colonia Independencia, 44340 Guadalajara, JAL, Mexico
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Gioia M, Vindigni G, Testa B, Raniolo S, Fasciglione GF, Coletta M, Biocca S. Membrane Cholesterol Modulates LOX-1 Shedding in Endothelial Cells. PLoS One 2015; 10:e0141270. [PMID: 26495844 PMCID: PMC4619672 DOI: 10.1371/journal.pone.0141270] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Accepted: 10/05/2015] [Indexed: 11/19/2022] Open
Abstract
The lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1) is a scavenger receptor responsible for ox-LDL recognition, binding and internalization, which is up-regulated during atherogenesis. Its activation triggers endothelium dysfunction and induces inflammation. A soluble form of LOX-1 has been identified in the human blood and its presence considered a biomarker of cardiovascular diseases. We recently showed that cholesterol-lowering drugs inhibit ox-LDL binding and internalization, rescuing the ox-LDL induced apoptotic phenotype in primary endothelial cells. Here we have investigated the molecular bases of human LOX-1 shedding by metalloproteinases and the role of cell membrane cholesterol on the regulation of this event by modulating its level with MβCD and statins. We report that membrane cholesterol affects the release of different forms of LOX-1 in cells transiently and stably expressing human LOX-1 and in a human endothelial cell line (EA.hy926). In particular, our data show that i) cholesterol depletion triggers the release of LOX-1 in exosomes as a full-length transmembrane isoform and as a truncated ectodomain soluble fragment (sLOX-1); ii) endothelial cells secrete a soluble metalloproteinase which induces LOX-1 ectodomain shedding and iii) long term statins treatment enhances sLOX-1 proteolytic shedding.
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Affiliation(s)
- Magda Gioia
- Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Giulia Vindigni
- Department of Systems Medicine, University of Rome “Tor Vergata”, Via Montpellier 1, 00133, Rome, Italy
| | - Barbara Testa
- Department of Systems Medicine, University of Rome “Tor Vergata”, Via Montpellier 1, 00133, Rome, Italy
| | - Sofia Raniolo
- Department of Systems Medicine, University of Rome “Tor Vergata”, Via Montpellier 1, 00133, Rome, Italy
| | - Giovanni Francesco Fasciglione
- Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Massimiliano Coletta
- Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Silvia Biocca
- Department of Systems Medicine, University of Rome “Tor Vergata”, Via Montpellier 1, 00133, Rome, Italy
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9
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LOX-1 gene variants and maternal levels of plasma oxidized LDL and malondialdehyde in patients with gestational diabetes mellitus. Arch Gynecol Obstet 2015; 293:517-27. [PMID: 26296941 DOI: 10.1007/s00404-015-3851-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 08/11/2015] [Indexed: 02/07/2023]
Abstract
PURPOSE The aim of this study was to investigate the relationships between the maternal levels of oxidized LDL (ox-LDL), lipid peroxidation marker malondialdehyde (MDA) and LOX-1 3'UTR188C/T and K167N single nucleotide polymorphisms in pregnant Turkish women with gestational diabetes mellitus (GDM). METHODS 116 pregnant women with GDM and 120 healthy pregnant women from the same geographic region were included in the study. Polymerase chain reaction-based restriction analysis was used to identify 3'UTR188C/T and K167N polymorphisms of the LOX-1 gene. Plasma ox-LDL and MDA levels were determined by enzyme-linked immunosorbent assay and spectrophotometric method in all study subjects, respectively. RESULTS Our results indicated that the distribution of the LOX-1 3'UTR188C/T and K167N genotypes and alleles did not differ significantly among subjects with or without GDM (p > 0.05). TT and NN genotype carriers are associated with some glucose metabolism parameters (p < 0.05). There were no significant differences among plasma ox-LDL and MDA levels with regard to LOX-1 3'UTR188C/T and K167N polymorphisms in GDM group and control subjects (p > 0.05). According to the combined genotype analysis of LOX-1 3'UTR 188 TT and K167N NN polymorphisms, plasma MDA and ox-LDL levels were significantly different between women with GDM and healthy subjects either with or without combined TT/NN genotype carriers (p < 0.001). CONCLUSIONS According to our results, ox-LDL and MDA levels were increased in GDM pregnant women and healthy pregnant women either with or without combined TT/NN genotype carriers, for our Turkish sample, these genotype carriers appear to be related with increased oxidative stress in patients with GDM.
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Bounds KR, Newell-Rogers MK, Mitchell BM. Four Pathways Involving Innate Immunity in the Pathogenesis of Preeclampsia. Front Cardiovasc Med 2015; 2:20. [PMID: 26664892 PMCID: PMC4671354 DOI: 10.3389/fcvm.2015.00020] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Accepted: 04/14/2015] [Indexed: 11/13/2022] Open
Abstract
The maternal innate immune system plays an important role both in normal pregnancy as well as hypertensive disorders of pregnancy including preeclampsia (PE). We propose four pathways that involve excessive innate immunity that lead to most forms of PE. Pre-existing endothelial dysfunction plus pregnancy leads to an excessive innate immune response resulting in widespread inflammation, placental and renal dysfunction, vasoconstriction, and PE. Placental dysfunction due to shallow trophoblast invasion, inadequate spiral artery remodeling, and/or low placental perfusion initiates an innate immune response leading to excessive inflammation, endothelial and renal dysfunction, and PE. A heightened innate immune system due to pre-existing or acquired infections plus the presence of a paternally derived placenta and semi-allogeneic fetus cause an excessive innate immune response which manifests as PE. Lastly, an abnormal and excessive maternal immune response to pregnancy leads to widespread inflammation, organ dysfunction, and PE. We discuss the potential role of innate immunity in each of these scenarios, as well as the overlap, and how targeting the innate immune system might lead to therapies for the treatment of PE.
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Affiliation(s)
- Kelsey R Bounds
- Department of Medical Physiology, Texas A&M Health Science Center , Temple, TX , USA
| | | | - Brett M Mitchell
- Department of Medical Physiology, Texas A&M Health Science Center , Temple, TX , USA
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