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Zhao XN, Sun Q, Cao YQ, Ran X, Cao Y. Association between apolipoprotein gene polymorphisms and hyperlipidemia: a meta-analysis. BMC Genom Data 2021; 22:14. [PMID: 33836655 PMCID: PMC8034140 DOI: 10.1186/s12863-021-00968-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 03/25/2021] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Hyperlipidemia plays an important role in the etiology of cardio-cerebrovascular disease. Over recent years, a number of studies have explored the impact of apolipoprotein genetic polymorphisms in hyperlipidemia, but considerable differences and uncertainty have been found in their association with different populations from different regions. RESULTS A total of 59 articles were included, containing in total 13,843 hyperlipidemia patients in the case group and 15,398 healthy controls in the control group. Meta-analysis of the data indicated that APOA5-1131 T > C, APOA1 -75 bp, APOB XbaI, and APOE gene polymorphisms were significantly associated with hyperlipidemia, with OR values of 1.996, 1.228, 1.444, and 1.710, respectively. All P-values were less than 0.05. CONCLUSIONS Meta-analysis of the data indicated that the C allele of APOA5 1131 T > C, the A allele at APOA1-75 bp, the APOB XbaI T allele, and the ε2 and ε4 allele of APOE were each a risk factor for susceptibility for hyperlipidemia.
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Affiliation(s)
- Xiao-Ning Zhao
- School of Public Health, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China
| | - Quan Sun
- School of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - You-Qin Cao
- School of Public Health, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China
| | - Xiao Ran
- School of Health, Guizhou Medical University, 550025, Guiyang, China
| | - Yu Cao
- School of Health, Guizhou Medical University, 550025, Guiyang, China.
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Zhou T, Li H, Zhong H, Zhong Z, Lin S. Association of apoE gene polymorphisms with lipid metabolism in renal diseases. Afr Health Sci 2020; 20:1368-1381. [PMID: 33402986 PMCID: PMC7751546 DOI: 10.4314/ahs.v20i3.43] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Apolipoprotein E (apoE) plays a central role in the metabolism and homeostasis of lipids. ApoE gene encodes three major isoforms: ε2, ε3 a nd ε4 forming six phenotypes: E2E2, E2E3, E2E4, E3E3, E3E3 and E4E4. Disorders of the lipid metabolism and the homeostasis are frequently coexist in renal diseases. The association between gene polymorphisms of apoE and lipid metabolism were not consistent. This meta-analysis was performed to assess the association between gene polymorphisms of apoE and lipid metabolism in renal diseases. METHODS A pre-defined literatures search and selection of eligible relevant investigations were performed to extract and collect data from electronic databases. RESULTS Sixteen articles were enrolled for the analysis of association between apoE gene polymorphisms and lipid metabolism. Subjects with E3E4 had a higher total cholesterol (TC) than those with E3E3, and subjects with E2E3 had a lower TC than those with E3E3. Subjects with ε2, had a lower TC than those with ε3 or ε4, and subjects with ε4 had a higher TC than those with, ε3. Subjects with E2E2, E2E3 or E4E4 had a higher triglyceride (TG) than those with E3E3. Subjects with ε4 had a higher TG than those with ε3. Subjects with ε2, had a higher level of TG than those with non-ε2. Subjects with E3E4 had a slightly lower high-density lipoprotein (HDL) than those with E3E3. E3E4 appeared to be associated with lower levels of HDL. Subjects with E2E2, E2E3 had a notably lower low-density lipoprotein (LDL) than those with E3E3. Subjects with ε2, had a lower LDL than those with ε3 or ε4 ApoE gene polymorphisms were not associated with very low-density lipoprotein, and lipoprotein (a) [Lp(a)]. Subjects with E2E3 or E2E4 had higher apoE levels than those with E3E3, and subjects with E4E4 had lower apoE levels than those with E3E3. CONCLUSION ApoE gene polymorphisms are associated with the expression of TC, TG HDL, LDL, Lp(a) or apoE.
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Affiliation(s)
- Tianbiao Zhou
- Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, 515041, Shantou, China
| | - Hongyan Li
- Department of Nephrology, Huadu District People's Hospital, Southern Medical University, Guangzhou, China
| | - Hongzhen Zhong
- Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, 515041, Shantou, China
| | - Zhiqing Zhong
- Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, 515041, Shantou, China
| | - Shujun Lin
- Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, 515041, Shantou, China
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Hanh NTH, Nhung BT, Hop LT, Tuyet LT, Dao DTA, Thu NTT, Binh TQ. The APOA5-rs662799 Polymorphism Is a Determinant of Dyslipidemia in Vietnamese Primary School Children. Lipids 2020; 55:683-691. [PMID: 32777089 DOI: 10.1002/lipd.12270] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 05/10/2020] [Accepted: 07/01/2020] [Indexed: 11/05/2022]
Abstract
Apolipoprotein A-V encoded by apolipoprotein 5 (APOA5) gene plays an important role in lipid metabolism, especially in the regulation of plasma triglycerol levels. The study aimed to evaluate the association of the APOA5-rs662799 polymorphism with dyslipidemia in Vietnamese children and the potential modification of obesity-related traits (body mass index, waist circumference, hip circumference, and waist-to-hip ratio) on this association. A case-control study was conducted with a total of 154 dyslipidemia cases and 389 controls at the age of 6 to 10 recruited at 31 primary schools in Hanoi city of Vietnam. Genotype for APOA5-rs662799 polymorphism was determined by the restriction fragment length polymorphism analysis. The association of APOA5-rs662799 polymorphism with dyslipidemia adjusting for age, sex, residence, and obesity-related traits was analyzed by binary logistic regression analysis. The results showed that in comparison with T/T and T/C carriers, the C/C carriers had a higher concentration of serum TAG in cases (p =0.049). Carriers of the C allele (C/C + T/C) had higher risk for developing dyslipidemia and hypertriglyceridemia than subjects with T/T genotype (odds ratio, OR = 1.7, p =0.0062 and OR = 1.6, p = 0.026, respectively). The association remained significant after adjusting for age, gender, residence, and obesity status (OR = 1.75, p = 0.006 and OR = 1.53, p = 0.049, respectively) or other obesity-related traits. The study suggested that the APOA5-rs662799 polymorphism may be a determinant of dyslipidemia and hypertriglyceridemia in Vietnamese children, independent of obesity-related traits.
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Affiliation(s)
- Nguyen T H Hanh
- Department of Biology, Hanoi National University of Education, 136 Xuan Thuy Street, Hanoi, 100000, Vietnam
| | - Bui T Nhung
- National Institute of Nutrition, 48B Tang Bat Ho Street, Hanoi, 112807, Vietnam
| | - Le T Hop
- National Institute of Nutrition, 48B Tang Bat Ho Street, Hanoi, 112807, Vietnam
| | - Le T Tuyet
- Department of Biology, Hanoi National University of Education, 136 Xuan Thuy Street, Hanoi, 100000, Vietnam
| | - Duong T A Dao
- Department of Biology, Hanoi National University of Education, 136 Xuan Thuy Street, Hanoi, 100000, Vietnam
| | - Nguyen T T Thu
- Department of Biology, Hanoi National University of Education, 136 Xuan Thuy Street, Hanoi, 100000, Vietnam
| | - Tran Quang Binh
- National Institute of Nutrition, 48B Tang Bat Ho Street, Hanoi, 112807, Vietnam.,Dinh Tien Hoang Institute of Medicine, 20 Cat Linh Street, Hanoi, 100000, Vietnam
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Zhong Z, Wu H, Wu H, Zhao P. Analysis of apolipoprotein E genetic polymorphism in a large ethnic Hakka population in southern China. Genet Mol Biol 2018; 41:742-749. [PMID: 30508003 PMCID: PMC6415608 DOI: 10.1590/1678-4685-gmb-2017-0301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 02/18/2018] [Indexed: 11/21/2022] Open
Abstract
There is currently no data about the genetic variations of APOE in Hakka population in China. The aim of this study was to analyze the allelic and genotypic frequencies of APOE gene polymorphisms in a large ethnic Hakka population in southern China. The APOE genes of 6,907 subjects were genotyped by the gene chip platform. The allele and genotype frequencies were analyzed. Results showed that the ∊3 allele had the greatest frequency (0.804) followed by ∊2 (0.102), and ∊4 (0.094), while genotype ∊3/∊3 accounted for 65.43% followed by ∊2/∊3 (15.85%), ∊3/∊4 (14.13%), ∊2/∊4 (3.01%), ∊4/∊4 (0.84%), and ∊2/∊2 (0.74%) in all subjects. The frequencies of the ∊4 allele in Chinese populations were lower than Mongolian and Javanese, while the frequencies of the ∊2 allele were higher and ∊4 allele lower than Japanese, Koreans, and Iranian compared with the geographically neighboring countries. The frequencies of ∊2 and ∊4 alleles in Hakka population were similar to the Vietnamese, Chinese-Shanghai, Chinese-Kunming Han and Chinese-Northeast, and French. The frequency of ∊2 in Hakka population was higher than Chinese-Dehong Dai and Chinese-Jinangsu Han. The low frequency of the APOE ∊4 allele may suggest a low genetic risk of Hakka population for cardiovascular disease, Alzheimer's disease, and other diseases.
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Affiliation(s)
- Zhixiong Zhong
- Center for Precision Medicine, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
- Center for Cardiovascular Diseases, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
| | - Heming Wu
- Center for Precision Medicine, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
- Center for Cardiovascular Diseases, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
| | - Hesen Wu
- Center for Precision Medicine, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
- Center for Cardiovascular Diseases, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
| | - Pingsen Zhao
- Center for Cardiovascular Diseases, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
- Clinical Core Laboratory, Meizhou People's Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University, Meizhou, P.R. China
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Zhang P, Gao J, Pu C, Zhang Y. Apolipoprotein status in type 2 diabetes mellitus and its complications (Review). Mol Med Rep 2017; 16:9279-9286. [PMID: 29152661 DOI: 10.3892/mmr.2017.7831] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 08/22/2017] [Indexed: 11/06/2022] Open
Abstract
Dyslipidaemia in type 2 diabetes mellitus (T2DM) is characterized by high plasma triglyceride concentrations, reduced high‑density lipoprotein concentrations and increased small density low‑density lipoprotein concentrations. Dyslipidaemia may lead to cardiovascular disease (CVD) and other complications. Apolipoproteins mainly comprise six species, apolipoprotein (apo)A, apoB, apoC, apoD, apoE and apoM, which are important components of plasma lipoproteins that carry lipids and stabilize the structure of lipoproteins. Complex metabolic disorders of apolipoproteins are present in T2DM, such as high plasma apoB, apoC‑II, apoC‑III and apoE concentrations, and low plasma apoA‑I and apoM concentrations, which are associated with dyslipidaemia and interrelated complications. Plasma concentrations of some apolipoproteins are also altered in T2DM with CVD or other complications. Several apolipoprotein polymorphisms are associated with diabetes susceptibility and/or lipid metabolism. The present review described the metabolic disorders of apolipoproteins in T2DM and its complications, and the relationship between each major apolipoprotein and T2DM, as well as the effects of apolipoprotein polymorphisms on diabetic susceptibility.
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Affiliation(s)
- Puhong Zhang
- Anhui Province Key Laboratory of Biological Macromolecules Research, Wannan Medical College, Wuhu, Anhui 241002, P.R. China
| | - Jialin Gao
- Department of Endocrinology and Genetic Metabolism, Yijishan Hospital of Wannan Medical College, Wuhu, Anhui 241002, P.R. China
| | - Chun Pu
- Clinical Laboratory, Yijishan Hospital of Wannan Medical College, Wuhu, Anhui 241002, P.R. China
| | - Yao Zhang
- Anhui Province Key Laboratory of Biological Macromolecules Research, Wannan Medical College, Wuhu, Anhui 241002, P.R. China
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Mahrooz A, Zargari M, Ansari V, Makhlough A, Hashemi-Sooteh MB. Association of APOA5 Gene Promoter Region -1131T>C Polymorphism (rs662799) to Plasma Triglyceride Level in Patients with Type 2 Diabetic Nephropathy. J Clin Diagn Res 2016; 10:BC09-13. [PMID: 27437205 DOI: 10.7860/jcdr/2016/19212.7895] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 03/18/2016] [Indexed: 01/22/2023]
Abstract
INTRODUCTION Diabetic Nephropathy (DN), a serious complication of Type 2 Diabetic Mellitus (T2DM), is progressive and susceptibility to DN varies among T2DM patients. ApoA5-1131T>C polymorphism revealed that is strongly associated with triglyceride levels and proposed as a predisposing factor for DN. AIM The purpose of this study was to investigate the association -1131T>C ApoA5 gene polymorphism with serum lipids levels in Type 2 diabetic (DM) patients with or without DN in north of Iran (Mazandaran province). MATERIALS AND METHODS This study comprised patients with established T2DM (n=161) and controls (n=58). Genotyping of APOA5 -1131T>C polymorphisms was performed by PCR-RFLP. Diabetic patients were divided into two groups: with nephropathy (DN+, n = 90) and without nephropathy (DN-, n = 71). Lipids and lipoproteins were assessed by enzymatic methods. RESULTS The genotype frequencies were 63.8 % TT, 31 % TC, 5.2 % CC in controls, 33.8% TT, 52.1 % TC, 14.1 % CC in DN- and 44.4 % TT, 36.7 % TC, 18.9 % CC in DN+ patients. The TC genotype and the CC genotype were overexpressed among DN+ and DN-population in comparison to the control group. The highest and the lowest TG levels in both diabetic patients and controls belonged to CC+TC and TT genotypes, respectively. Furthermore in both patients TG increased with this order: TT< TC<CC. CONCLUSION These results suggest that APOA5 -1131T>C polymorphisms influence lipid levels in type 2 diabetic patients.
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Affiliation(s)
- Abdolkarim Mahrooz
- Faculty of Medicine, Department of Biochemistry, Molecular and Cell Biology Research Center, Mazandaran University of Medical Sciences , Sari, Iran
| | - Mehryar Zargari
- Faculty of Medicine, Department of Biochemistry, Molecular and Cell Biology Research Center, Mazandaran University of Medical Sciences , Sari, Iran
| | - Vahid Ansari
- Faculty of Medicine, Department of Biochemistry, Molecular and Cell Biology Research Center, Mazandaran University of Medical Sciences , Sari, Iran
| | - Atieh Makhlough
- Faculty, Department of Nephrology, Imam Khomeini Hospital, Mazandaran University of Medical Sciences , Sari, IR Iran
| | - Mohammad-Bagher Hashemi-Sooteh
- Faculty of Medicine, Department of Biochemistry, Molecular and Cell Biology Research Center, Mazandaran University of Medical Sciences , Sari, Iran
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Ariza MJ, Martínez-Hernández PL, Ibarretxe D, Rabacchi C, Rioja J, Grande-Aragón C, Plana N, Tarugi P, Olivecrona G, Calandra S, Valdivielso P. Novel mutations in the GPIHBP1 gene identified in 2 patients with recurrent acute pancreatitis. J Clin Lipidol 2015; 10:92-100.e1. [PMID: 26892125 DOI: 10.1016/j.jacl.2015.09.007] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2015] [Revised: 09/09/2015] [Accepted: 09/16/2015] [Indexed: 11/16/2022]
Abstract
BACKGROUND Glycosylphosphatidylinositol-anchored high-density lipoprotein-binding protein 1 (GPIHBP1) has been demonstrated to be essential for the in vivo function of lipoprotein lipase (LPL), the major triglyceride (TG)-hydrolyzing enzyme involved in the intravascular lipolysis of TG-rich lipoproteins. Recently, loss-of-function mutations of GPIHBP1 have been reported as the cause of type I hyperlipoproteinemia in several patients. METHODS Two unrelated patients were referred to our Lipid Units because of a severe hypertriglyceridemia and recurrent pancreatitis. We measured LPL activity in postheparin plasma and serum ApoCII and sequenced LPL, APOC2, and GPIHBP1. RESULTS The 2 patients exhibited very low LPL activity not associated with mutations in LPL gene or with ApoCII deficiency. The sequence of GPIHBP1 revealed 2 novel point mutations. One patient (proband 1) was found to be homozygous for a C>A transversion in exon 3 resulting in the conversion of threonine to lysine at position 80 (p.Thr80Lys). The other patient (proband 2) was found to be homozygous for a G>T transversion in the third base of the ATG translation initiation codon in exon 1, resulting in the conversion of methionine to isoleucine (p.Met1Ile). CONCLUSION In conclusion, we have identified 2 novel GPIHBP1 missense mutations in 2 unrelated patients as the cause of their severe hypertriglyceridemia.
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Affiliation(s)
- María José Ariza
- Department of Medicine and Dermatology, Lipids and Atherosclerosis Laboratory, CIMES, University of Málaga, Málaga, Spain.
| | | | - Daiana Ibarretxe
- Vascular Medicine and Metabolism Unit, Research Unit on Lipids and Atherosclerosis, Sant Joan University Hospital, Universitat Rovira i Virgili, IISPV, Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Reus, Spain
| | - Claudio Rabacchi
- Department of Life Sciences, University of Modena & Reggio Emilia, Modena, Italy
| | - José Rioja
- Department of Medicine and Dermatology, Lipids and Atherosclerosis Laboratory, CIMES, University of Málaga, Málaga, Spain
| | | | - Nuria Plana
- Vascular Medicine and Metabolism Unit, Research Unit on Lipids and Atherosclerosis, Sant Joan University Hospital, Universitat Rovira i Virgili, IISPV, Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Reus, Spain
| | - Patrizia Tarugi
- Department of Life Sciences, University of Modena & Reggio Emilia, Modena, Italy
| | - Gunilla Olivecrona
- Department of Medical Biosciences, Physiological Chemistry, Umeå University, Umeå, Sweden
| | - Sebastiano Calandra
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena & Reggio Emilia Modena, Italy
| | - Pedro Valdivielso
- Department of Medicine and Dermatology, Lipids and Atherosclerosis Laboratory, CIMES, University of Málaga, Málaga, Spain; Internal Medicine Unit, Virgen de la Victoria University Hospital, Málaga, Spain
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Velez-Pardo C, Rojas W, Jimenez-Del-Rio M, Bedoya G. Distribution of APOE polymorphism in the "Paisa" population from northwest Colombia (Antioquia). Ann Hum Biol 2014; 42:195-8. [PMID: 25026367 DOI: 10.3109/03014460.2014.932846] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND The apolipoprotein E (APOE) gene plays a pivotal role in cholesterol metabolism. Since the discovery of the APOE*2 and APOE*4 as the major susceptibility alleles for several diseases including dyslipidemia, atherosclerosis, coronary heart disease, late-onset and early Alzheimer's disease, the APOE genotype might be considered as a potential predictive factor for both epidemiological research and diagnosis. AIM The aim of this study is to report on the polymorphism of the APOE gene in the "Paisa" population from northwest Colombia (Antioquia) to obtain a population baseline of the existing variation in this locus. METHOD One thousand and one healthy voluntaries were genotyped for the APOE polymorphism using polymerase chain reaction-restriction fragment length polymorphism technique. RESULTS The APOE*3/*3 genotype presented the highest frequency (66.33%) and the APOE*4/*4 had the lowest frequency (1.89%). Genotype frequencies comply with Hardy-Weinberg expectations. Allele frequencies obtained for APOE*2, APOE*3 and APOE*4 were 0.075 ± 0.005 (95% CI = 0.063-0.086), 0.814 ± 0.009 (0.797-0.831) and 0.111 ± 0.007 (0.098-0.125), respectively. CONCLUSION Although globally the high-to-low APOE frequency follows the E*3 > E*4 > E*2 trend, the present APOE frequency data is in disagreement with some reports from South-American countries.
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Affiliation(s)
- Carlos Velez-Pardo
- Neuroscience Research Group, Medical Research Institute, Faculty of Medicine and
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Zhou TB, Jiang ZP, Yin SS, Qin YH. Relationship between apolipoprotein E gene polymorphism and total cholesterol level in patients with kidney diseases. World J Meta-Anal 2013; 1:138-146. [DOI: 10.13105/wjma.v1.i3.138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2013] [Revised: 06/13/2013] [Accepted: 08/06/2013] [Indexed: 02/05/2023] Open
Abstract
AIM: To evaluate the association between apolipoprotein E (apoE) gene polymorphism and total cholesterol (TC) level in patients with kidney diseases.
METHODS: A predefined literature search was performed to collect data from the electronic databases of PubMed, Embase and the Cochrane Library and eligible relevant studies reporting the association of apoE gene polymorphism with TC level in patients with kidney diseases were recruited for meta-analysis.
RESULTS: Twenty-one studies were identified for the analysis of association between apoE gene polymorphism and TC level in patients with kidney disease. Subjects with E3E4 had a higher TC than those with E3E3 [weighted mean differences (WMD) = 2.14, P = 0.01] and subjects with E2E3 had a lower TC than those with E3E3 (WMD = -1.93, P = 0.01). Subjects with ε2 had a lower TC than those with ε3 (ε2 vs ε3: WMD = -1.23, P = 0.002; ε2 vs ε4: WMD = -2.77, P ﹤0.0001) and subjects with 3 had a lower TC than those with 4 (WMD = -0.79, P = 0.03).
CONCLUSION: Subjects with apoE E3E4 and ε4 had a higher TC level and subjects with apoE E2E3 and ε2 had a higher TC level in patients with kidney disease. However, more well-designed studies should be performed in the future to confirm these findings.
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Dong CQ, Luo YG, Dong K, Chen C, Liu Q, Yang TQ. Relationship between apolipoprotein E gene polymorphism with triglyceride level in patients with renal diseases. Ren Fail 2013; 35:1449-54. [PMID: 24001346 DOI: 10.3109/0886022x.2013.829407] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Apolipoprotein E (apoE), one of the major plasma lipoproteins, plays a major role in the transport and metabolism of lipids by acting as a ligand. apoE gene contains three potential alleles: ϵ2, ϵ3 and ϵ4, forming six genotypes: E2E2, E2E3, E2E4, E3E3, E3E3 and E4E4. Association between apoE gene polymorphism and triglyceride (TG) is still controversial. There was not any meta-analysis to explore the association of apoE gene polymorphism with triglyceride level, and this meta-analysis was performed to evaluate the association between apoE gene polymorphism and triglyceride in patients with renal diseases. A predefined literature search and selection of eligible relevant studies were performed to collect data from electronic databases. Twenty-four articles were identified for the analysis of association between apoE gene polymorphism and triglyceride level. Subjects with E2E3 or E3E4 had a higher TG than those with E3E3. Subjects with ϵ4 had a higher TG than those with ϵ3. Subjects with ϵ2 had a slightly higher TG than those with ϵ3, although there was no statistical difference. Interestingly, subjects with ϵ4 had a much higher TG than those with ϵ2. In conclusion, E2E3, E3E4 or ϵ4 was associated with higher level of TG. However, more studies should be performed in the future.
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Affiliation(s)
- Chun-Qiang Dong
- Department of Pediatric Surgery, The First Affiliated Hospital of GuangXi Medical University , NanNing , China
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The polymorphism -1131T>C in apolipoprotein A5 gene is associated with dyslipidemia in Brazilian subjects. Gene 2012; 516:171-5. [PMID: 23266809 DOI: 10.1016/j.gene.2012.12.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2012] [Revised: 10/18/2012] [Accepted: 12/02/2012] [Indexed: 02/07/2023]
Abstract
BACKGROUND Polymorphisms in apolipoprotein A5 gene (APOA5) have been associated with higher triglyceride levels in many populations. The aim of the study was to determine the allelic and genotypic distribution of the APOA5 -1131T>C polymorphism and to identify the association of the genetic variant and the risk for dyslipidemia. METHODS We genotyped 109 dyslipidemic subjects and 107 controls. The total cholesterol, triglycerides and HDL-c were determined enzymatically. Comparison of means among groups was calculated by ANOVA. Significant differences among groups were evaluated by Student-Newman-Keuls test. RESULTS The minor allele C was more frequent in dyslipidemic subjects than controls (p=0.019) and confers an increased individual risk for dyslipidemia (OR=1.726, CI 95%=1.095-2.721). The genotype analysis by gender showed that this allele was more frequent in dyslipidemic males (p=0.037; OR=2.050, CI 95%=1.042-4.023). When participants were analyzed according to genotypes TT and TC/CC, C-carriers presented higher cholesterol and triglycerides levels than TT homozygous (p=0.046 and 0.049, respectively). CONCLUSIONS The allele C confers higher total cholesterol and triglycerides levels in dyslipidemic adults. The APOA5 -1131T>C polymorphism is associated with dyslipidemia in male subjects.
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Sóter MO, Gomes KB, Fernandes AP, Carvalho MDG, Pinheiro PS, Bosco AA, Silva DDR, Sousa MO. -1131T>C and SW19 polymorphisms in APOA5 gene and lipid levels in type 2 diabetic patients. Mol Biol Rep 2012; 39:7541-8. [PMID: 22350263 DOI: 10.1007/s11033-012-1588-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2011] [Accepted: 01/31/2012] [Indexed: 10/28/2022]
Abstract
Type 2 diabetes mellitus is a metabolic, vascular, and neuropathic disease with a high risk of atherosclerotic events due to dyslipidemic states. Polymorphisms in Apolipoprotein A5 gene (APOA5) have been associated with increased triglyceride levels in many different populations. This study aimed to identify the frequencies of the APOA5 -1131T>C and SW19 polymorphisms and evaluate their effects on lipid levels in patients with type 2 diabetes. Genotyping of APOA5 -1131T>C and SW19 polymorphisms was performed by PCR-RFLP in 146 diabetic patients and in controls (n = 173), from 30 to 80 years of age. Diabetic patients were divided into two groups: patients not treated with lipid lowering drugs (group G1; n = 62) and those treated with lipid lowering drugs (group G2, n = 84). Lipids and lipoproteins were determined enzymatically. Among participants not treated with lipid-lowering drugs (diabetics G1 and controls; n = 235), the -1131C was associated with lower LDLc levels (p = 0.015). In the diabetic patients, the 19W allele was associated with higher triglyceride levels (p = 0.004). In G1 diabetic patients, the combined analysis of APOA5 -1131T>C and SW19 polymorphisms showed that [TC or CC] + SS carriers presented lower total cholesterol levels than did other genotype combinations (p = 0.049). It could therefore be concluded that APOA5 -1131T>C and SW19 polymorphisms influence lipid levels in type 2 diabetic patients.
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Affiliation(s)
- Mirelle O Sóter
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Federal University of Minas Gerais, Antônio Carlos Avenue, 6627 Belo Horizonte, Minas Gerais 31270-901, Brazil
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