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Kongjam P, Pabalan N, Tharabenjasin P, Jarjanazi H, Chaijaroenkul W, Na-Bangchang K. Tumor necrosis factor-α (TNF-α) -308G >a promoter polymorphism (rs1800629) promotes Asians in susceptibility to Plasmodium falciparum severe malaria: A meta-analysis. PLoS Negl Trop Dis 2023; 17:e0011735. [PMID: 37910577 PMCID: PMC10655976 DOI: 10.1371/journal.pntd.0011735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 11/17/2023] [Accepted: 10/17/2023] [Indexed: 11/03/2023] Open
Abstract
The multifactorial pathogenesis of severe malaria is partly attributed to host genes, such as those encoding cytokines involved in complex inflammatory reactions, namely tumor necrosis factor-alpha (TNF-α). However, the relationship between TNF-α -308G >A gene polymorphism (rs1800629) and the severity of Plasmodium falciparum (P. falciparum) malaria remains unclear, which prompts a meta-analysis to obtain more precise estimates. The present meta-analysis aimed to better understand this correlation and provide insight into its association in populations with different ethnicities. Literature search outcomes included eight eligible articles in which TNF-α -308G >A polymorphism was determined in uncomplicated malaria (UM) and severe malaria (SM) of P. falciparum as represented in the case and control groups. Pooled odds ratios (ORs) and 95% confidence intervals (95% CIs) were estimated in standard homozygous, recessive, dominant, and codominant genetic models. Subgroup analysis was based on ethnicity, i.e., Africans and Asians. The analyses included overall and the modified outcomes; the latter was obtained without the studies that deviated from the Hardy-Weinberg Equilibrium. The significant data also underwent sensitivity treatment but not publication bias tests because the number of studies was less than ten. Interaction tests were applied to differential outcomes between the subgroups. Overall and HWE-compliant analyses showed no significant association between the TNF-α -308G >A polymorphism and susceptibility to P. falciparum SM (ORs = 1.10-1.52, 95%CIs = 0.68-2.79; Pa = 0.24-0.68). Stratification by ethnicity revealed that two significant associations were found only in the Asians favoring SM for dominant (OR = 1.95, 95% CI = 1.06-3.61, Pa = 0.03) and codominant (OR = 1.83, 95% CI = 1.15-2.92, Pa = 0.01) under the random-effects model, but not among the African populations. The two significant Asian associations were improved with a test of interaction with P-value of0.02-0.03. The significant core outcomes were robust. Results of the meta-analysis suggest that TNF-α -308G >A polymorphism might affect the risk of P. falciparum SM, particularly in individuals of Asian descent. This supports ethnicity as one of the dependent factors of the TNF-α -308G >A association with the clinical severity of malaria. Further large and well-designed genetic studies are needed to confirm this conclusion.
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Affiliation(s)
- Panida Kongjam
- Chulabhorn International College of Medicine, Thammasat University (Rangsit Campus), Klongneung, Klongluang, Pathumthani, Thailand
| | - Noel Pabalan
- Chulabhorn International College of Medicine, Thammasat University (Rangsit Campus), Klongneung, Klongluang, Pathumthani, Thailand
| | - Phuntila Tharabenjasin
- Chulabhorn International College of Medicine, Thammasat University (Rangsit Campus), Klongneung, Klongluang, Pathumthani, Thailand
| | - Hamdi Jarjanazi
- Environmental Monitoring and Reporting Branch, Ontario Ministry of the Environment and Parks, Toronto, Ontario, Canada
| | - Wanna Chaijaroenkul
- Chulabhorn International College of Medicine, Thammasat University (Rangsit Campus), Klongneung, Klongluang, Pathumthani, Thailand
| | - Kesara Na-Bangchang
- Chulabhorn International College of Medicine, Thammasat University (Rangsit Campus), Klongneung, Klongluang, Pathumthani, Thailand
- Graduate Program in Bioclinical Sciences, Chulabhorn International College of Medicine, Thammasat University (Rangsit Campus), Klongnueng, Klongluang, Pathumthani, Thailand
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Hameed I, Masoodi SR, Malik PA, Mir SA, Ghazanfar K, Ganai BA. Genetic variations in key inflammatory cytokines exacerbates the risk of diabetic nephropathy by influencing the gene expression. Gene 2018; 661:51-59. [PMID: 29605608 DOI: 10.1016/j.gene.2018.03.095] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 03/24/2018] [Accepted: 03/28/2018] [Indexed: 12/22/2022]
Abstract
BACKGROUND Diabetic nephropathy is the single strongest predictor of mortality in patients with diabetes. The development of overt nephropathy involves important inter-individual variations, even after adjusting for potential confounding influences of modifiable and non-modifiable risk factors. Genome-wide transcriptome studies have reported the activation of inflammatory signaling pathways and there is mounting indication of the role of genetic factors. METHODS We screened nine genetic variations in three cytokine genes (TNF-α, IL-6 and IL-β) in 1326 unrelated subjects comprising of healthy controls (n = 464), type 2 diabetics with nephropathy (DN, n = 448) and type 2 diabetes without nephropathy (T2D, n = 414) by sequence-specific amplification. Functional implication of SNPs was elucidated by correlation studies and relative gene expression using Realtime-Quantitative PCR (RT-qPCR). RESULTS Individual SNP analysis showed highest association of IL-1β rs16944-TT genotype (OR = 3.51, 95%CI = 2.36-5.21, P = 0.001) and TNF-α rs1800629-AA genotype (OR = 2.75, 95% CI = 1.64-4.59, P = 0.001) with T2D and DN respectively. The haplotype frequency showed significant risk of seven combinations among T2D and four combinations among DN subjects. The highest risk of T2D and DN was associated with GGTGAGTTT (OR = 4.25, 95%CI = 3.3-14.20, P = 0.0016) and GACGACCTT (OR = 21.3, 95%CI = 15.1-28.33, P = 0.026) haplotypes respectively. Relative expression by RT-qPCR showed increased cytokine expression in cases as compared to controls. TNF-α expression was increased by more than four-folds (n-fold = 4.43 ± 1.11) in DN. TNF-α, IL-6 and IL-1β transcript levels were significantly modulated by promoter region SNPs. CONCLUSIONS The present study implicates a strong association between cytokine TNF-α, IL-6 and IL-1β gene promoter polymorphisms and modulation of transcript levels with susceptibility to nephropathy in diabetes subjects.
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Affiliation(s)
- Iqra Hameed
- Department of Biochemistry, University of Kashmir, Hazratbal Srinagar, India; Department of Biochemistry and Molecular Biology, GK Medical Trust, Srinagar, India
| | - Shariq R Masoodi
- Department of Endocrinology and Metabolism, Sher-i-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India; Department of Endocrinology, Diabetes & Nutrition, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Perveez A Malik
- Department of Minimal Access Surgery, Sher-i-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India
| | - Shahnaz A Mir
- Department of Endocrinology, Government Medical College and Associated Hospital, Srinagar, India
| | | | - Bashir A Ganai
- Center for Research and Development, University of Kashmir, Srinagar, India.
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Tosic Dragovic J, Popovic J, Djuric P, Jankovic A, Bulatovic A, Barovic M, Pravica V, Marinkovic J, Dimkovic N. Relative risk for cardiovascular morbidity in hemodialysis patients regarding gene polymorphism for IL-10, IL-6, and TNF. Can J Physiol Pharmacol 2016; 94:1106-1109. [PMID: 27580171 DOI: 10.1139/cjpp-2015-0569] [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] [Indexed: 01/02/2023]
Abstract
Uremia-related inflammation is prone to be a key factor to explain high cardiovascular morbidity in hemodialysis patients. Genetic susceptibility may be of importance, including IL-10, IL-6, and TNF. The aim was to analyze IL-10, IL-6, and TNF gene polymorphisms in a group of hemodialysis patients and to correlate the findings with cardiovascular morbidity. This study included 169 patients on regular hemodialysis at Zvezdara University Medical Center. Gene polymorphisms for IL-10, IL-6 and TNF were determined using PCR. These findings were correlated with the cardiovascular morbidity data from patient histories. Heterozygots for IL-10 gene showed significantly lower incidence of cardiovascular events (p = 0.05) and twice lower risk for development of myocardial infarction, but experienced twice higher risk for left ventricular hypertrophy. Regarding TNF gene polymorphism, patients with A allele had 1.5-fold higher risk for cerebrovascular accident and cardiovascular events and 2-fold higher risk for hypertension and peripheral vascular disease. Patients with G allele of IL-6 gene experienced 1.5-fold higher risks for cerebrovascular accident. We need studies with larger number of patients for definitive conclusion about the influence of gene polymorphisms on cardiovascular morbidity in hemodialysis patients and its importance in everyday clinical practice.
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Affiliation(s)
- J Tosic Dragovic
- a Clinical Department for Renal Diseases, Zvezdara University Medical Center, Dimitrija Tucovica 161, 11000 Belgrade, Serbia
| | - J Popovic
- a Clinical Department for Renal Diseases, Zvezdara University Medical Center, Dimitrija Tucovica 161, 11000 Belgrade, Serbia
| | - P Djuric
- a Clinical Department for Renal Diseases, Zvezdara University Medical Center, Dimitrija Tucovica 161, 11000 Belgrade, Serbia
| | - A Jankovic
- a Clinical Department for Renal Diseases, Zvezdara University Medical Center, Dimitrija Tucovica 161, 11000 Belgrade, Serbia
| | - A Bulatovic
- a Clinical Department for Renal Diseases, Zvezdara University Medical Center, Dimitrija Tucovica 161, 11000 Belgrade, Serbia
| | - M Barovic
- b Medical Faculty, Belgrade University, Dr Subotica 9, 11000 Belgrade, Serbia
| | - V Pravica
- b Medical Faculty, Belgrade University, Dr Subotica 9, 11000 Belgrade, Serbia
| | - J Marinkovic
- b Medical Faculty, Belgrade University, Dr Subotica 9, 11000 Belgrade, Serbia
| | - N Dimkovic
- a Clinical Department for Renal Diseases, Zvezdara University Medical Center, Dimitrija Tucovica 161, 11000 Belgrade, Serbia.,b Medical Faculty, Belgrade University, Dr Subotica 9, 11000 Belgrade, Serbia
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Kamyshova ES, Shvetsov MY, Kutyrina IM, Burdennyi AM, Zheng A, Nosikov VV, Bobkova IN. Clinical value of TNF, IL-6, and IL-10 gene polymorphic markers in chronic glomerulonephritis. TERAPEVT ARKH 2016; 88:45-50. [DOI: 10.17116/terarkh201688645-50] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Yilmaz R, Altun B, Ozer N, Hazirolan T, Turgan C. Impact of cytokine genotype on cardiovascular surrogate markers in hemodialysis patients. Ren Fail 2010; 32:806-16. [PMID: 20662694 DOI: 10.3109/0886022x.2010.494798] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND/AIMS Cytokine gene polymorphisms have been implicated as potential genetic risk factors for cardiovascular diseases (CVDs). Atherosclerosis and left ventricular hypertrophy (LVH) are surrogate markers for CVDs in uremic patients. The aim of this study was to assess the role of cytokine gene polymorphisms in carotid intima-media thickness (CIMT) and left ventricular mass index (LVMI) progression in nondiabetic hemodialysis (HD) patients. METHODS About 102 nondiabetic patients on maintenance HD were included in this study. Patients were followed up for 2 years. Genetic polymorphisms of TNF-alpha (-308 G/A, -238A/G) and IL-10 (-1082 A/G, -819 C/T, -592 A/C) were determined by polymerase chain reaction. Biochemical parameters and inflammatory markers and ambulatory blood pressure (BP) measurements were determined during the study period. CIMT and LVMI were also determined at baseline and after the first and second year. RESULTS Cardiovascular risk factors did not differ between TNF-alpha -308 high-/low-producer genotype groups. However, CIMT and LVMI progression were detected at higher levels in patients with high-producer genotypes (AA+AG) than in patients with the low-producer genotype (GG) during the study period. The TNF-alpha -308 G/A polymorphism was closely associated with C-reactive protein (CRP), a marker of systemic inflammation in the study population. Analysis also showed that the combination of high production of TNF-alpha and low production of IL-10 was associated with higher average IMT and LVMI progression and elevated average CRP levels compared with a combination of low production of TNF-alpha and high production of IL-10. CONCLUSION Polymorphisms in inflammatory genes may represent an additional factor affecting inflammation and CVD progression in nondiabetic HD patients.
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Affiliation(s)
- Rahmi Yilmaz
- Department of Nephrology, Faculty of Medicine, Hacettepe University, Ankara, Turkey.
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Inhaled carbon monoxide prevents acute kidney injury in pigs after cardiopulmonary bypass by inducing a heat shock response. Anesth Analg 2010; 111:29-37. [PMID: 20519418 DOI: 10.1213/ane.0b013e3181e0cca4] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Cardiopulmonary bypass (CPB) may be associated with acute kidney injury (AKI). Inhaled carbon monoxide (CO) is cyto- and organ-protective. We hypothesized that pretreatment with inhaled CO prevents CPB-associated AKI. METHODS Pigs (n = 38) were nonrandomly assigned to SHAM, standard CPB, pretreatment with inhaled CO (250 ppm, 1 hour) before SHAM or CPB, to pretreatment with quercetin (an inhibitor of the heat shock response), and to pretreatment with SnPPIX (an inhibitor of endogenously derived CO), before CO inhalation and CPB. The primary outcome variables were markers of AKI (urea, uric acid, creatinine, cystatin C, neutrophil gelatinase-associated lipocalin, interleukin-6, tumor necrosis factor-alpha), which were determined 120 minutes after CPB. Secondary outcome variables were heat shock protein (HSP)-70 and heme oxygenase-1 protein expressions as indicators of CO-mediated heat shock response. RESULTS Pretreatment with inhaled CO attenuated (all P < 0.001) CPB-associated, (1) increases in serum concentrations of cystatin C (64 +/- 14 vs 28 +/- 9 ng/mL), neutrophil gelatinase-associated lipocalin (391 +/- 65 vs 183 +/- 56 ng/mL), renal tumor necrosis factor-alpha (450 +/- 73 vs 179 +/- 110 pg/mL), and interleukin-6 (483 +/- 102 vs 125 +/- 67 pg/mL); (2) increase in renal caspase-3 activity (550 +/- 66 vs 259 +/- 52 relative fluorescent units); and (3) histological evidence of AKI. These effects were accompanied by activation of HSP-70 (196 +/- 64 vs 554 +/- 149 ng/mL, P < 0.001). Pretreatment with the heat shock response inhibitor quercetin counteracted the CO-associated biochemical and histological renoprotective effects (all P < 0.001), whereas the heme oxygenase inhibitor SnPPIX only partially counteracted the CO-associated renoprotection and the activation of the heat shock response. CONCLUSIONS CO treatment before CPB was associated with evidence of renoprotection, demonstrated by fewer histological injuries and decreased cystatin C concentrations. The findings that the antiinflammatory and antiapoptotic effects of CO were accompanied by activation of HSP-70, which in turn were reversed by quercetin, suggest that renoprotection by pretreatment with inhaled CO before CPB is mediated by activation of the renal heat shock response.
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SZETO CHEUKCHUN, CHOW KAIMING, POON PETERYAMKAU, KWAN BONNIECHINGHA, LI PHILIPKAMTAO. Association of interleukin-18 promoter polymorphism and atherosclerotic diseases in Chinese patients with diabetic nephropathy. Nephrology (Carlton) 2009; 14:606-612. [DOI: 10.1111/j.1440-1797.2008.01075.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
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Buraczynska M, Ksiazek P, Zukowski P, Benedyk-Lorens E, Orlowska-Kowalik G. Complement factor H gene polymorphism and risk of cardiovascular disease in end-stage renal disease patients. Clin Immunol 2009; 132:285-90. [DOI: 10.1016/j.clim.2009.04.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2009] [Revised: 04/14/2009] [Accepted: 04/14/2009] [Indexed: 11/25/2022]
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Yoshida T, Kato K, Yokoi K, Watanabe S, Metoki N, Satoh K, Aoyagi Y, Nishigaki Y, Nozawa Y, Yamada Y. Association of candidate gene polymorphisms with chronic kidney disease in Japanese individuals with hypertension. Hypertens Res 2009; 32:411-8. [PMID: 19282863 DOI: 10.1038/hr.2009.22] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Although hypertension has been recognized as a risk factor for chronic kidney disease (CKD), the genetic factors for predisposition to CKD in individuals with hypertension remain largely unknown. The purpose of this study was to identify the genetic variants that confer susceptibility to CKD among individuals with hypertension. The study population comprised 3696 Japanese individuals with hypertension (2265 men, 1431 women), including 1257 individuals (789 men, 468 women) with CKD (estimated glomerular filtration rate (eGFR) <60 ml min(-1) per 1.73 m(2)) and 2439 controls (1476 men, 963 women; eGFR >or=60 ml min(-1) per 1.73 m(2)). The genotypes for 30 polymorphisms of 26 candidate genes were determined. An initial screening of allele frequencies by the chi(2)-test revealed that eight polymorphisms were significantly (false discovery rate <0.05) associated with the prevalence of CKD in hypertensive individuals. Subsequent multivariable logistic regression analysis with adjustment for covariates as well as a stepwise forward selection procedure revealed that the T --> C (Val591Ala) polymorphism of APOB (rs679899), the -681C --> G polymorphism of PPARG (rs10865710), the T --> C (Cys1367Arg) polymorphism of WRN (rs1346044), the -850C --> T polymorphism of TNF (rs1799724), the -219G --> T polymorphism of APOE (rs405509), the C --> T polymorphism of PTGS1 (rs883484) and the 41A --> G (Glu14Gly) polymorphism of ACAT2 (rs9658625) were significantly (P<0.05) associated with the prevalence of CKD. Our results suggest that APOB, WRN, ACAT2, APOE, PPARG, TNF and PTGS1 are susceptibility loci for CKD among Japanese individuals with hypertension. Determination of the genotypes for these polymorphisms may prove informative for the assessment of genetic risk for CKD among such individuals.
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Affiliation(s)
- Tetsuro Yoshida
- Department of Cardiovascular Medicine, Inabe General Hospital, Inabe, Japan
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Yoshida T, Kato K, Fujimaki T, Yokoi K, Oguri M, Watanabe S, Metoki N, Yoshida H, Satoh K, Aoyagi Y, Nishigaki Y, Tanaka M, Nozawa Y, Yamada Y. Association of a polymorphism of the apolipoprotein E gene with chronic kidney disease in Japanese individuals with metabolic syndrome. Genomics 2008; 93:221-6. [PMID: 19056482 DOI: 10.1016/j.ygeno.2008.11.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2008] [Revised: 11/04/2008] [Accepted: 11/06/2008] [Indexed: 11/16/2022]
Abstract
The purpose of the present study was to identify genetic variants that confer susceptibility to chronic kidney disease (CKD) in Japanese individuals with metabolic syndrome. The study population comprised 2150 Japanese individuals with metabolic syndrome, including 411 subjects with CKD [estimated glomerular filtration rate (eGFR) <50 mL/min/1.73m(2)] and 1739 controls (eGFR >/=60 mL/min/1.73m(2)). The genotypes for 100 polymorphisms of 80 candidate genes were determined. The chi-square test, multivariable logistic regression analysis with adjustment for covariates, as well as a stepwise forward selection procedure revealed that nine polymorphisms of APOE, ABCA1, PTGS1, TNF, CPB2, AGTR1, OR13G1, and GNB3 were associated (P<0.05) with the prevalence of CKD. Among these polymorphisms, the -219G-->T polymorphism of APOE (rs405509) was most significantly associated with CKD in Japanese individuals with metabolic syndrome.
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Affiliation(s)
- Tetsuro Yoshida
- Department of Cardiovascular Medicine, Inabe General Hospital, Inabe, Japan
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Buraczynska M, Bednarek-Skublewska A, Buraczynska K, Ksiazek A. Monocyte chemoattractant protein-1 (MCP-1) gene polymorphism as a potential risk factor for cardiovascular disease in hemodialyzed patients. Cytokine 2008; 44:361-5. [DOI: 10.1016/j.cyto.2008.10.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2008] [Revised: 09/26/2008] [Accepted: 10/07/2008] [Indexed: 10/21/2022]
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