1
|
Zhou R, Li W, Wu F, Sheng Y, Xu S, Liu Y, Zhang D, Wang M. Does Gastroesophageal Reflux Disease Increase the Risk of Sepsis and Its 28-day Mortality? A Causal Study Using a Mendelian Randomization Approach. Dig Dis Sci 2024:10.1007/s10620-024-08625-0. [PMID: 39230635 DOI: 10.1007/s10620-024-08625-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Accepted: 08/26/2024] [Indexed: 09/05/2024]
Abstract
BACKGROUND Gastroesophageal reflux disease (GERD) is a prevalent gastrointestinal disorder. Recent studies indicate that GERD may exert systemic effects, potentially elevating the risk of severe infections, including sepsis. Nevertheless, the causal relationship between GERD and sepsis, as well as sepsis-related 28-day mortality, remains uncertain. AIM The aim of this study is to investigate the causal relationship between GERD and the risk of sepsis, including 28-day mortality of sepsis. METHODS This study utilized a two-sample Mendelian Randomization (MR) approach to analyze data from publicly available genome-wide association studies (GWAS) databases ( https://gwas.mrcieu.ac.uk/ ). The analysis comprised 129,080 cases and 473,524 controls for GERD; 11,643 patients and 474,841 controls for sepsis; and 1,896 patients and 484,588 controls for 28-day mortality from sepsis. The objective was to evaluate the causal impact of GERD on the risk of sepsis and 28-day sepsis mortality. Genetic variation data pertinent to GERD were obtained from the most recent genome-wide association studies (GWAS). The primary analysis employed the Inverse Variance Weighted (IVW) method. Sensitivity and pleiotropy analyses were performed to validate the robustness of the findings. RESULTS MR analysis revealed a notable link between genetically predicted GERD and increased sepsis risk (odds ratio [OR] 1.37, 95% confidence interval [CI] 1.24-1.52; p = 2.79 × 10-9). Moreover, GERD correlated with elevated 28-day mortality of sepsis (OR 1.44, 95% CI 1.11-1.85; p = 5.34 × 10-3). These results remained consistent throughout various sensitivity analyses, indicating their resilience against potential pleiotropy and other biases. CONCLUSION This study indicates that genetic predisposition to GERD may be linked to an elevated risk of sepsis and its associated 28-day mortality. However, the study does not establish a direct causal relationship for GERD itself, nor does it assess the impact of GERD treatment. Further research is needed to explore the underlying mechanisms and potential therapeutic interventions involved.
Collapse
Affiliation(s)
- Runquan Zhou
- Department of Emergency, First Affiliated Hospital of Chongqing Medical University, 12th Floor, Building 5A, 1 Youyi Rd, Yuzhong Qu, Chongqing, 400016, People's Republic of China
| | - Wenjuan Li
- Intensive Care Unit, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Fan Wu
- Department of Emergency, First Affiliated Hospital of Chongqing Medical University, 12th Floor, Building 5A, 1 Youyi Rd, Yuzhong Qu, Chongqing, 400016, People's Republic of China
| | - Yuanhui Sheng
- Intensive Care Unit, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Shan Xu
- Department of Emergency, Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yi Liu
- Intensive Care Unit, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Dan Zhang
- Department of Emergency, First Affiliated Hospital of Chongqing Medical University, 12th Floor, Building 5A, 1 Youyi Rd, Yuzhong Qu, Chongqing, 400016, People's Republic of China.
| | - Mingxing Wang
- Intensive Care Unit, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| |
Collapse
|
2
|
Zhu ZG, Ma JW, Ji DD, Li QQ, Diao XY, Bao J. Mendelian randomization analysis identifies causal associations between serum lipidomic profile, amino acid biomarkers and sepsis. Heliyon 2024; 10:e32779. [PMID: 38975226 PMCID: PMC11226841 DOI: 10.1016/j.heliyon.2024.e32779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 05/30/2024] [Accepted: 06/10/2024] [Indexed: 07/09/2024] Open
Abstract
Background Sepsis is a life-threatening condition marked by a severe systemic response to infection, leading to widespread inflammation, cellular signaling disruption, and metabolic dysregulation. The role of lipid and amino acid metabolism in sepsis is not fully understood, but aberrations in this pathway could contribute to the disease's pathophysiology. Methods To explore the potential of lipid and amino acid compounds as biomarkers for the diagnosis and prognosis of sepsis, a two-sample Mendelian Randomization (MR) study was conducted, examining the relationship between sepsis and 249 serum lipid and amino acid-related markers. Key enzymes involved in synthesis of phosphatidylcholine, including choline/ethanolamine phosphotransferase 1 (CEPT1), choline phosphotransferase 1 (CPT1), and ethanolamine phosphotransferase 1 (EPT1), were also targeted for drug-target Mendelian randomization. Results The study found that phosphatidylcholines (OR IVW: 0.88, 95%CI: 0.80-0.96, p = 0.005) and phospholipids in medium HDL (OR IVW: 0.86, 95%CI: 0.77-0.96, p = 0.007) potentially exhibit a protective effect against sepsis nominally. However, the potential drug target of CEPT1, CPT1, and EPT1 was found to be unrelated to septic outcomes. Conclusion Our findings suggest that increasing levels of phosphatidylcholines and medium HDL phospholipids may reduce the incidence of sepsis. This highlights the potential of lipid-based biomarkers in the diagnosis and management of sepsis, opening avenues for new therapeutic strategies.
Collapse
Affiliation(s)
- Zi-gang Zhu
- Department of Critical Care Medicine, Jiangnan University Medical Center,Wuxi No.2 People's Hospital, Wuxi, 214002, China
| | - Jia-wei Ma
- Department of Critical Care Medicine, Jiangnan University Medical Center,Wuxi No.2 People's Hospital, Wuxi, 214002, China
- Department of Critical Care Medicine, Aheqi County People's Hospital, Xinjiang, 843599, China
| | - Dan-dan Ji
- Department of Critical Care Medicine, Jiangnan University Medical Center,Wuxi No.2 People's Hospital, Wuxi, 214002, China
| | - Qian-qian Li
- Department of Critical Care Medicine, Jiangnan University Medical Center,Wuxi No.2 People's Hospital, Wuxi, 214002, China
| | - Xin-yu Diao
- Emergency Department, Yixing Traditional Chinese Medicine Hospital, Yixing,214299,China
| | - Jie Bao
- Department of Critical Care Medicine, Jiangnan University Medical Center,Wuxi No.2 People's Hospital, Wuxi, 214002, China
| |
Collapse
|
3
|
Jing G, Zuo J, Liu Z, Liu H, Cheng M, Yuan M, Gong H, Wu X, Song X. Mendelian randomization analysis reveals causal associations of serum metabolites with sepsis and 28-day mortality. Sci Rep 2024; 14:11551. [PMID: 38773119 PMCID: PMC11109149 DOI: 10.1038/s41598-024-58160-1] [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: 01/07/2024] [Accepted: 03/26/2024] [Indexed: 05/23/2024] Open
Abstract
Metabolic disorder has been found to be an important factor in the pathogenesis and progression of sepsis. However, the causation of such an association between serum metabolites and sepsis has not been established. We conducted a two-sample Mendelian randomization (MR) study. A genome-wide association study of 486 human serum metabolites was used as the exposure, whereas sepsis and sepsis mortality within 28 days were set as the outcomes. In MR analysis, 6 serum metabolites were identified to be associated with an increased risk of sepsis, and 6 serum metabolites were found to be related to a reduced risk of sepsis. Furthermore, there were 9 metabolites positively associated with sepsis-related mortality, and 8 metabolites were negatively correlated with sepsis mortality. In addition, "glycolysis/gluconeogenesis" (p = 0.001), and "pyruvate metabolism" (p = 0.042) two metabolic pathways were associated with the incidence of sepsis. This MR study suggested that serum metabolites played significant roles in the pathogenesis of sepsis, which may provide helpful biomarkers for early disease diagnosis, therapeutic interventions, and prognostic assessments for sepsis.
Collapse
Affiliation(s)
- Guoqing Jing
- Research Centre of Anesthesiology and Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Jing Zuo
- Research Centre of Anesthesiology and Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Zhi Liu
- Department of Pediatrics, Children's Digital Health and Data Center, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Huifan Liu
- Research Centre of Anesthesiology and Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Miao Cheng
- Jingmen Central Hospital, Jingmen, Hubei, China
| | - Min Yuan
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Hailong Gong
- Research Centre of Anesthesiology and Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Xiaojing Wu
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
| | - Xuemin Song
- Research Centre of Anesthesiology and Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China.
| |
Collapse
|
4
|
Hu Y, Xiong Z, Huang P, He W, Zhong M, Zhang D, Tang G. Association of mental disorders with sepsis: a bidirectional Mendelian randomization study. Front Public Health 2024; 12:1327315. [PMID: 38827616 PMCID: PMC11140049 DOI: 10.3389/fpubh.2024.1327315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 05/08/2024] [Indexed: 06/04/2024] Open
Abstract
Background Substantial research evidence supports the correlation between mental disorders and sepsis. Nevertheless, the causal connection between a particular psychological disorder and sepsis remains unclear. Methods For investigating the causal relationships between mental disorders and sepsis, genetic variants correlated with mental disorders, including anorexia nervosa (AN), attention-deficit hyperactivity disorder (ADHD), autism spectrum disorder (ASD), bipolar disorder (BD), major depressive disorder (MDD), obsessive-compulsive disorder (OCD), panic disorder (PD), posttraumatic stress disorder (PTSD), schizophrenia (SCZ), and tourette syndrome (TS), were all extracted from the Psychiatric Genomics Consortium (PGC). The causal estimates and direction between these mental disorders and sepsis were evaluated employing a two-sample bidirectional MR strategy. The inverse variance weighted (IVW) method was the primary approach utilized. Various sensitivity analyses were performed to confirm the validity of the causal effect. Meta-analysis, multivariable MR, and mediation MR were conducted to ensure the credibility and depth of this research. Results The presence of AN was in relation to a greater likelihood of sepsis (OR 1.08, 95% CI 1.02-1.14; p = 0.013). A meta-analysis including validation cohorts supported this observation (OR 1.06, 95% CI 1.02-1.09). None of the investigated mental disorders appeared to be impacted when sepsis was set as the exposure factor. Even after adjusting for confounding factors, AN remained statistically significant (OR 1.08, 95% CI 1.02-1.15; p = 0.013). Mediation analysis indicated N-formylmethionine levels (with a mediated proportion of 7.47%), cystatin D levels (2.97%), ketogluconate Metabolism (17.41%) and N10-formyl-tetrahydrofolate biosynthesis (20.06%) might serve as mediators in the pathogenesis of AN-sepsis. Conclusion At the gene prediction level, two-sample bidirectional MR analysis revealed that mental disorder AN had a causal association with an increased likelihood of sepsis. In addition, N-formylmethionine levels, cystatin D levels, ketogluconate metabolism and N10-formyl-tetrahydrofolate biosynthesis may function as potential mediators in the pathophysiology of AN-sepsis. Our research may contribute to the investigation of novel therapeutic strategies for mental illness and sepsis.
Collapse
Affiliation(s)
- Yuanzhi Hu
- Guangzhou University of Chinese Medicine, Guangzhou, China
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zihui Xiong
- Guangzhou University of Chinese Medicine, Guangzhou, China
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Pinge Huang
- Guangzhou University of Chinese Medicine, Guangzhou, China
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wan He
- Guangzhou University of Chinese Medicine, Guangzhou, China
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Minlin Zhong
- Emergency Department of Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, China
| | - Danqi Zhang
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Guanghua Tang
- Emergency Department of Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, China
- Guangdong Provincial Key Laboratory of Research on Emergency in TCM, Guangzhou, China
| |
Collapse
|
5
|
Li J, Shen Q, Guo C, Wang Y, Ma Y, Zhang Y. Causality of unsaturated fatty acids and psoriasis a Mendelian randomization study. Front Nutr 2024; 11:1280962. [PMID: 38406185 PMCID: PMC10884181 DOI: 10.3389/fnut.2024.1280962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 01/24/2024] [Indexed: 02/27/2024] Open
Abstract
Background Many observational studies have identified a link between unsaturated fatty acids and psoriasis. However, they contain reverse causality and confounding factors, and there is no definite causal study between unsaturated fatty acids and psoriasis. Objectives Analysis of causality between unsaturated fatty acids and psoriasis by Mendelian randomization. Methods We used IEU Open GWAS Project, omega-3 PUFA and omega-6 PUFA data from 114,999 subjects, MUFA data from 13,535 subjects, and psoriasis data from 4,510 cases and 212,242 controls were included. We employed the inverse-variance weighted (IVW) method as the primary analytical approach and four additional MR methods. Moreover, we performed heterogeneity and horizontal pleiotropy assessments using Cochrane's Q and MR-Egger intercept tests, respectively. Finally, we performed sensitivity analyses to enhance our findings' precision and veracity. Results IVW results showed no causal effect of omega-3 PUFA on psoriasis (p = 0.334; OR, 0.909; 95% CI, 0.748-1.104), omega-6 PUFA cause psoriasis (p = 0.046; OR, 1.174; 95% CI, 1.003-1.374), MUFA cause psoriasis (p = 0.032; OR, 1.218; 95% CI, 1.018-1.457), no causal effect of omega-3 PUFA in psoriasis (p = 0.695; OR, 0.989; 95% CI, 0.937-1.044), no causal effect of omega-6 PUFA in psoriasis (p = 0.643; OR, 1.013; 95% CI, 0.960-1.068), psoriasis is not causal to MUFA (p = 0.986; OR, 1.000; 95% CI, 0.949-1.055). Heterogeneity, horizontal pleiotropy, and sensitivity analyses showed reliable results. Conclusion We found that circulating omega-6 PUFA and MUFA cause psoriasis, while omega-3 PUFA do not. Treatments that lower circulating omega-6 PUFA and MUFA are effective in psoriasis. After a better understanding of fatty acid intake and circulation, the population can be advised to regulate their diet.
Collapse
Affiliation(s)
- Junchen Li
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Qian Shen
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Chenqi Guo
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yingdong Wang
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yuxiao Ma
- Dermatology Department, Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China
| | - Yu Zhang
- Dermatology Department, Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China
| |
Collapse
|
6
|
Lan Y, Chen L, Huang C, Wang X, Pu P. Associations of educational attainment with Sepsis mediated by metabolism traits and smoking: a Mendelian randomization study. Front Public Health 2024; 12:1330606. [PMID: 38362221 PMCID: PMC10867269 DOI: 10.3389/fpubh.2024.1330606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 01/16/2024] [Indexed: 02/17/2024] Open
Abstract
Objective Sepsis constitutes a significant global healthcare burden. Studies suggest a correlation between educational attainment and the likelihood of developing sepsis. Our goal was to utilize Mendelian randomization (MR) in order to examine the causal connection between educational achievement (EA) and sepsis, while measuring the mediating impacts of adjustable variables. Methods We collected statistical data summarizing educational achievement (EA), mediators, and sepsis from genome-wide association studies (GWAS). Employing a two-sample Mendelian randomization (MR) approach, we calculated the causal impact of education on sepsis. Following this, we performed multivariable MR analyses to assess the mediation proportions of various mediators, including body mass index (BMI), smoking, omega-3 fatty acids, and apolipoprotein A-I(ApoA-I). Results Genetic prediction of 1-SD (4.2 years) increase in educational attainment (EA) was negatively correlated with sepsis risk (OR = 0.83, 95% CI 0.71 to 0.96). Among the four identified mediators, ranked proportionally, they including BMI (38.8%), smoking (36.5%), ApoA-I (6.3%) and omega-3 (3.7%). These findings remained robust across a variety of sensitivity analyses. Conclusion The findings of this study provided evidence for the potential preventive impact of EA on sepsis, which may be influenced by factors including and metabolic traits and smoking. Enhancing interventions targeting these factors may contribute to reducing the burden of sepsis.
Collapse
Affiliation(s)
- Ying Lan
- Department of Critical Care Medicine, Affiliated Hospital of Chengdu University, Chengdu, China
| | - Lvlin Chen
- Department of Critical Care Medicine, Affiliated Hospital of Chengdu University, Chengdu, China
| | - Chao Huang
- Department of Critical Care Medicine, Affiliated Hospital of Chengdu University, Chengdu, China
| | - Xiaoyan Wang
- Department of Clinical Nutrition, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| | - Peng Pu
- Department of Cardiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| |
Collapse
|
7
|
Zhang Z, Yin Y, Chen T, You J, Zhang W, Zhao Y, Ren Y, Wang H, Chen X, Zuo X. Investigating the impact of human blood metabolites on the Sepsis development and progression: a study utilizing two-sample Mendelian randomization. Front Med (Lausanne) 2023; 10:1310391. [PMID: 38143442 PMCID: PMC10748392 DOI: 10.3389/fmed.2023.1310391] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 11/23/2023] [Indexed: 12/26/2023] Open
Abstract
Background Existing data suggests a potential link between human blood metabolites and sepsis, yet the precise cause-and-effect relationship remains elusive. By using a two-sample Mendelian randomization (MR) analysis, this study aims to establish a causal link between human blood metabolites and sepsis. Methods A two-sample MR analysis was employed to investigate the relationship between blood metabolites and sepsis. To assess the causal connection between sepsis and human blood metabolites, five different MR methods were employed, A variety of sensitivity analyses were conducted, including Cochrane's Q test, MR-Egger intercept test, MR-PRESSO and leave-one-out (LOO) analysis. In order to ensure the robustness of the causal association between exposure and outcome, the Bonferroni adjustment was employed. Additionally, we conducted analyses of the metabolic pathways of the identified metabolites using the Kyoto Encyclopedia of Genes and Genomes (KEGG) and the Small Molecule Pathway Database (SMPDB) database. Results The MR analysis revealed a total of 27 metabolites (16 known and 11 unknown) causally linked to the development and progression of sepsis. After applying the Bonferroni correction, 3-carboxy-4-methyl-5-propyl-2-furanpropanoate (CMPF) remained significant in relation to 28-day all-cause mortality in sepsis. By pathway enrichment analysis, we identified four significant metabolic pathways. Notably, the Alpha Linolenic Acid and Linoleic Acid metabolism pathway emerged as a pivotal contributor to the occurrence and progression of sepsis. Conclusion This study provides preliminary evidence of causal associations between human blood metabolites and sepsis, as ascertained by MR analysis. The findings offer valuable insights into the pathogenesis of sepsis and may provide insight into preventive and therapeutic approaches.
Collapse
Affiliation(s)
- Zhongqi Zhang
- Department of Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yu Yin
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Tingzhen Chen
- Department of Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jinjin You
- Department of Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Wenhui Zhang
- Department of Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yifan Zhao
- Department of Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yankang Ren
- Department of Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Han Wang
- Department of Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xiangding Chen
- Department of Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xiangrong Zuo
- Department of Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| |
Collapse
|
8
|
Liang H, Mu HB, Zhang FH, Li WQ, Li GC, Li WD, Liang M, He ZL. Causal relationship between linoleic acid and type 2 diabetes and glycemic traits: a bidirectional Mendelian randomization study. Front Endocrinol (Lausanne) 2023; 14:1277153. [PMID: 38075067 PMCID: PMC10703485 DOI: 10.3389/fendo.2023.1277153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 10/30/2023] [Indexed: 12/18/2023] Open
Abstract
Objective To investigate the causal relationships between linoleic acid and type 2 diabetes, and between linoleic acid and glycemic traits in European populations. Methods This study employed a two-sample Mendelian randomization approach to infer causality between linoleic acid and type 2 diabetes, as well as between linoleic acid and glycemic traits, leveraging genetic variations. Data were sourced from genome-wide association study summary datasets. Random-effects inverse-variance weighted, weighted median, and MR-Egger methods were used for the two-sample Mendelian randomization analyses. Results were presented as odds ratios with a 95% confidence interval. Multiple sensitivity analyses were conducted to assess result robustness. Results MR findings indicated a correlation between linoleic acid levels and the risk of type 2 diabetes, fasting blood glucose, and glycated hemoglobin (HbA1c), but not with fasting insulin. Specifically: type 2 diabetes (OR: 0.811, 95% CI: 0.688-0.956, P=0.013<0.05),fasting blood glucose (β_IVW): -0.056, 95% CI: (-0.091,-0.021), P=0.002< 0.0125), glycated hemoglobin (β_IVW: -0.032, 95% CI: (-0.048,-0.015), P=0.0002< 0.0125) and Fasting insulin (β_IVW: -0.024, 95% CI: (-0.056,-0.008), P=0.136 >0.05).Reverse MR analyses showed a correlation between type 2 diabetes and reduced levels of linoleic acid (β_IVW: -0.033, 95% CI: (-0.059,-0.006), P=0.014<0.05). Multiple sensitivity analyses also detected study heterogeneity but found no evidence of horizontal pleiotropy. Conclusion High levels linoleic acid can reduce the risk of type 2 diabetes, fasting blood glucose, and glycated hemoglobin, but has no significant relation with fasting insulin. Type 2 diabetes can lower linoleic acid levels; however, no significant causal relationship was observed between the three glycemic traits and reduced levels of linoleic acid.
Collapse
Affiliation(s)
- Hao Liang
- Shandong University of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Jinan, China
| | - Hai-Bo Mu
- Shandong University of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Jinan, China
| | - Fei-Hu Zhang
- Centre for Emergency and Critical Care Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Wen-Qiang Li
- Centre for Emergency and Critical Care Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Guo-Chen Li
- Centre for Emergency and Critical Care Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Wen-Dong Li
- Department of Cardiovascular Disease, Tai’an Hospital of Traditional Chinese Medicine, Tai’an, China
| | - Min Liang
- Department of Nephrology, Tai’an First People's Hospital, Tai’an, China
| | - Zeng-Lin He
- School of Acupuncture and Massage, Shandong University of Traditional Chinese Medicine, Jinan, China
| |
Collapse
|
9
|
Li X, Lu Z, Qi Y, Chen B, Li B. The Role of Polyunsaturated Fatty Acids in Osteoarthritis: Insights from a Mendelian Randomization Study. Nutrients 2023; 15:4787. [PMID: 38004181 PMCID: PMC10674676 DOI: 10.3390/nu15224787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/04/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
The prior observational research on the impact of polyunsaturated fatty acid (PUFA) supplementation on osteoarthritis (OA) patients had yielded inclusive outcomes. This study utilized the Mendelian randomization (MR) approach to explore potential causal relationships between PUFAs and OA. The MR study was performed using GWAS summary statistics for PUFAs, encompassing omega-3 and omega-6 fatty acids, and for knee OA (KOA) and hip OA (HOA). The primary inverse-variance-weighted (IVW) method and two supplementary MR approaches were used to establish robust causality. Heterogeneity and horizontal pleiotropy were assessed using Cochrane's Q and MR-Egger intercept tests. Additionally, a range of sensitivity analyses were conducted to strengthen the precision and reliability of the results. The IVW method indicated a potential genetic association between omega-3 fatty acids and KOA risk (odd ratio (OR) = 0.94, 95% confidence interval (CI): 0.89-1.00, p = 0.048). No significant correlation was found between omega-3 levels and HOA. Moreover, genetically predicted higher levels of omega-6 fatty acids were associated with a decreased risk of KOA (OR = 0. 93, 95% CI: 0.86-1.00, p = 0.041) and HOA (OR = 0.89, 95% CI: 0.82-0.96; p = 0.003). The MR-Egger intercept evaluation showed no horizontal pleiotropy affecting the MR analysis (all p > 0.05). Our findings supported the causal relationship between PUFAs and OA susceptibility and offered a novel insight that high omega-6 fatty acids may reduce the risk of KOA and HOA. These results underscore the importance of maintaining optimal levels of PUFAs, particularly omega-6 fatty acids, in individuals with a genetic predisposition to OA. Future research is necessary to validate these findings and elucidate the underlying mechanisms involved.
Collapse
Affiliation(s)
- Xuefei Li
- Department of Pathology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China;
| | - Zhengjie Lu
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China (B.C.)
| | - Yongjian Qi
- Department of Spine Surgery and Musculoskeletal Tumor, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Biao Chen
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China (B.C.)
| | - Bin Li
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China (B.C.)
| |
Collapse
|