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Liu S, Ding D, Liu F, Guo Y, Xie L, Han FJ. Exploring the causal role of multiple metabolites on ovarian cancer: a two sample Mendelian randomization study. J Ovarian Res 2024; 17:22. [PMID: 38263045 PMCID: PMC10804794 DOI: 10.1186/s13048-023-01340-w] [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: 10/08/2023] [Accepted: 12/30/2023] [Indexed: 01/25/2024] Open
Abstract
BACKGROUND The mechanisms and risk factors underlying ovarian cancer (OC) remain under investigation, making the identification of new prognostic biomarkers and improved predictive factors critically important. Recently, circulating metabolites have shown potential in predicting survival outcomes and may be associated with the pathogenesis of OC. However, research into their genetic determinants is limited, and there are some inadequacies in understanding the distinct subtypes of OC. In this context, we conducted a Mendelian randomization study aiming to provide evidence for the relationship between genetically determined metabolites (GDMs) and the risk of OC and its subtypes. METHODS In this study, we consolidated genetic statistical data of GDMs with OC and its subtypes through a genome-wide association study (GWAS) and conducted a two-sample Mendelian randomization (MR) analysis. The inverse variance weighted (IVW) method served as the primary approach, with MR-Egger and weighted median methods employed for cross-validation to determine whether a causal relationship exists between the metabolites and OC risk. Moreover, a range of sensitivity analyses were conducted to validate the robustness of the results. MR-Egger intercept, and Cochran's Q statistical analysis were used to evaluate possible heterogeneity and pleiotropy. False discovery rate (FDR) correction was applied to validate the findings. We also conducted a reverse MR analysis to validate whether the observed blood metabolite levels were influenced by OC risk. Additionally, metabolic pathway analysis was carried out using the MetaboAnalyst 5.0 software. RESULTS In MR analysis, we discovered 18 suggestive causal associations involving 14 known metabolites, 8 metabolites as potential risk factors, and 6 as potential cancer risk reducers. In addition, three significant pathways, "caffeine metabolism," "arginine biosynthesis," and "citrate cycle (TCA cycle)" were associated with the development of mucinous ovarian cancer (MOC). The pathways "caffeine metabolism" and "alpha-linolenic acid metabolism" were associated with the onset of endometrioid ovarian cancer (OCED). CONCLUSIONS Our MR analysis revealed both protective and risk-associated metabolites, providing insights into the potential causal relationships between GDMs and the metabolic pathways related to OC and its subtypes. The metabolites that drive OC could be potential candidates for biomarkers.
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Affiliation(s)
- Shaoxuan Liu
- First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin, 150040, China
| | - Danni Ding
- First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin, 150040, China
| | - Fangyuan Liu
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, 150040, China
| | - Ying Guo
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, 150040, China
| | - Liangzhen Xie
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, 150040, China
| | - Feng-Juan Han
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, 150040, China.
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Rogova O, Herzog K, Al-Majdoub M, Miskelly M, Lindqvist A, Bennet L, Hedenbro JL, Wierup N, Spégel P. Metabolic remission precedes possible weight regain after gastric bypass surgery. Obesity (Silver Spring) 2023; 31:2530-2542. [PMID: 37587639 DOI: 10.1002/oby.23864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/24/2023] [Accepted: 06/15/2023] [Indexed: 08/18/2023]
Abstract
OBJECTIVE Some patients regain weight to a variable extent from 1 year after Roux-en-Y gastric bypass surgery (RYGB), though rarely reaching preoperative values. The aim of the present study was to investigate whether, when, and to what extent metabolic remission occurs. METHODS Fasting metabolite and lipid profiles were determined in blood plasma collected from a nonrandomized intervention study involving 148 patients before RYGB and at 2, 12, and 60 months post RYGB. Both short-term and long-term alterations in metabolism were assessed. Anthropometric and clinical variables were assessed at all study visits. RESULTS This study found that the vast majority of changes in metabolite levels occurred during the first 2 months post RYGB. Notably, thereafter the metabolome started to return toward the presurgical state. Consequently, a close-to-presurgical metabolome was observed at the time when patients reached their lowest weight and glucose level. Lipids with longer acyl chains and a higher degree of unsaturation were altered more dramatically compared with shorter and more saturated lipids, suggesting a systematic and reversible lipid remodeling. CONCLUSIONS Remission of the metabolic state was observed prior to notable weight regain. Further and more long-term studies are required to assess whether the extent of metabolic remission predicts future weight regain and glycemic deterioration.
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Affiliation(s)
- Oksana Rogova
- Department of Chemistry, Centre for Analysis and Synthesis, Lund University, Lund, Sweden
| | - Katharina Herzog
- Department of Chemistry, Centre for Analysis and Synthesis, Lund University, Lund, Sweden
| | - Mahmoud Al-Majdoub
- Unit of Molecular Metabolism, Department of Clinical Sciences Malmö, Lund University, Malmö, Sweden
| | - Michael Miskelly
- Neuroendocrine Cell Biology, Department of Experimental Medical Science, Lund University Diabetes Centre, Malmö, Sweden
| | - Andreas Lindqvist
- Neuroendocrine Cell Biology, Department of Experimental Medical Science, Lund University Diabetes Centre, Malmö, Sweden
| | - Louise Bennet
- Department of Clinical Sciences Malmö, Lund University, Malmö, Sweden
- Clinical Research and Trial Centre, Lund University Hospital, Lund, Sweden
| | - Jan L Hedenbro
- Neuroendocrine Cell Biology, Department of Experimental Medical Science, Lund University Diabetes Centre, Malmö, Sweden
- Department of Surgery, Department of Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Nils Wierup
- Neuroendocrine Cell Biology, Department of Experimental Medical Science, Lund University Diabetes Centre, Malmö, Sweden
| | - Peter Spégel
- Department of Chemistry, Centre for Analysis and Synthesis, Lund University, Lund, Sweden
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Shi C, Wan Y, He A, Wu X, Shen X, Zhu X, Yang J, Zhou Y. Urinary metabolites associate with the presence of diabetic kidney disease in type 2 diabetes and mediate the effect of inflammation on kidney complication. Acta Diabetol 2023; 60:1199-1207. [PMID: 37184672 PMCID: PMC10359369 DOI: 10.1007/s00592-023-02094-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 04/10/2023] [Indexed: 05/16/2023]
Abstract
AIMS Diabetic kidney disease (DKD) is the one of the leading causes of end-stage kidney disease. Unraveling novel biomarker signatures capable to identify patients with DKD is favorable for tackle the burden. Here, we investigated the possible association between urinary metabolites and the presence of DKD in type 2 diabetes (T2D), and further, whether the associated metabolites improve discrimination of DKD and mediate the effect of inflammation on kidney involvement was evaluated. METHODS Two independent cohorts comprising 192 individuals (92 DKD) were analyzed. Urinary metabolites were analyzed by targeted metabolome profiling and inflammatory cytokine IL-18 were measured by ELISA. Differentially expressed metabolites were selected and mediation analysis was carried out. RESULTS Seven potential metabolite biomarkers (i.e., S-Adenosyl-L-homocysteine, propionic acid, oxoadipic acid, leucine, isovaleric acid, isobutyric acid, and indole-3-carboxylic acid) were identified using the discovery and validation design. In the pooled analysis, propionic acid, oxoadipic acid, leucine, isovaleric acid, isobutyric acid, and indole-3-carboxylic acid were markedly and independently associated with DKD. The composite index of 7 potential metabolite biomarkers (CMI) mediated 32.99% of the significant association between the inflammatory IL-18 and DKD. Adding the metabolite biomarkers improved the discrimination of DKD. CONCLUSIONS In T2D, several associated urinary metabolites were identified to improve the prediction of DKD. Whether interventions aimed at reducing CMI also reduce the risk of DKD especially in patients with high IL-18 needs further investigations.
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Affiliation(s)
- Caifeng Shi
- Center for Kidney Disease, Second Affiliated Hospital of Nanjing Medical University, No. 262 N Zhongshan Road, Nanjing, 210003, Jiangsu, China
| | - Yemeng Wan
- Center for Kidney Disease, Second Affiliated Hospital of Nanjing Medical University, No. 262 N Zhongshan Road, Nanjing, 210003, Jiangsu, China
| | - Aiqin He
- Center for Kidney Disease, Second Affiliated Hospital of Nanjing Medical University, No. 262 N Zhongshan Road, Nanjing, 210003, Jiangsu, China
| | - Xiaomei Wu
- Center for Kidney Disease, Second Affiliated Hospital of Nanjing Medical University, No. 262 N Zhongshan Road, Nanjing, 210003, Jiangsu, China
| | - Xinjia Shen
- Center for Kidney Disease, Second Affiliated Hospital of Nanjing Medical University, No. 262 N Zhongshan Road, Nanjing, 210003, Jiangsu, China
| | - Xueting Zhu
- Center for Kidney Disease, Second Affiliated Hospital of Nanjing Medical University, No. 262 N Zhongshan Road, Nanjing, 210003, Jiangsu, China
| | - Junwei Yang
- Center for Kidney Disease, Second Affiliated Hospital of Nanjing Medical University, No. 262 N Zhongshan Road, Nanjing, 210003, Jiangsu, China.
| | - Yang Zhou
- Center for Kidney Disease, Second Affiliated Hospital of Nanjing Medical University, No. 262 N Zhongshan Road, Nanjing, 210003, Jiangsu, China.
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Martin WP, Nair M, Chuah YH, Malmodin D, Pedersen A, Abrahamsson S, Hutter M, Abdelaal M, Elliott JA, Fearon N, Eckhardt H, Godson C, Brennan EP, Fändriks L, le Roux CW, Docherty NG. Dietary restriction and medical therapy drives PPARα-regulated improvements in early diabetic kidney disease in male rats. Clin Sci (Lond) 2022; 136:1485-1511. [PMID: 36259366 PMCID: PMC7613831 DOI: 10.1042/cs20220205] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 10/14/2022] [Accepted: 10/18/2022] [Indexed: 11/17/2022]
Abstract
The attenuation of diabetic kidney disease (DKD) by metabolic surgery is enhanced by pharmacotherapy promoting renal fatty acid oxidation (FAO). Using the Zucker Diabetic Fatty and Zucker Diabetic Sprague Dawley rat models of DKD, we conducted studies to determine if these effects could be replicated with a non-invasive bariatric mimetic intervention. Metabolic control and renal injury were compared in rats undergoing a dietary restriction plus medical therapy protocol (DMT; fenofibrate, liraglutide, metformin, ramipril, and rosuvastatin) and ad libitum-fed controls. The global renal cortical transcriptome and urinary 1H-NMR metabolomic profiles were also compared. Kidney cell type-specific and medication-specific transcriptomic responses were explored through in silico deconvolution. Transcriptomic and metabolomic correlates of improvements in kidney structure were defined using a molecular morphometric approach. The DMT protocol led to ∼20% weight loss, normalized metabolic parameters and was associated with reductions in indices of glomerular and proximal tubular injury. The transcriptomic response to DMT was dominated by changes in fenofibrate- and peroxisome proliferator-activated receptor-α (PPARα)-governed peroxisomal and mitochondrial FAO transcripts localizing to the proximal tubule. DMT induced urinary excretion of PPARα-regulated metabolites involved in nicotinamide metabolism and reversed DKD-associated changes in the urinary excretion of tricarboxylic acid (TCA) cycle intermediates. FAO transcripts and urinary nicotinamide and TCA cycle metabolites were moderately to strongly correlated with improvements in glomerular and proximal tubular injury. Weight loss plus pharmacological PPARα agonism is a promising means of attenuating DKD.
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Affiliation(s)
- William P. Martin
- Diabetes Complications Research Centre, School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
| | - Meera Nair
- Diabetes Complications Research Centre, School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
| | - Yeong H.D. Chuah
- Diabetes Complications Research Centre, School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
| | - Daniel Malmodin
- Swedish NMR Centre, University of Gothenburg, 40530 Gothenburg, Sweden
| | - Anders Pedersen
- Swedish NMR Centre, University of Gothenburg, 40530 Gothenburg, Sweden
| | - Sanna Abrahamsson
- Bioinformatics Core Facility, Sahlgrenska Academy, University of Gothenburg, 40530 Gothenburg, Sweden
| | - Michaela Hutter
- Diabetes Complications Research Centre, School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
| | - Mahmoud Abdelaal
- Diabetes Complications Research Centre, School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
| | - Jessie A. Elliott
- Diabetes Complications Research Centre, School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
| | - Naomi Fearon
- Diabetes Complications Research Centre, School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
| | - Hans Eckhardt
- Diabetes Complications Research Centre, School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
| | - Catherine Godson
- Diabetes Complications Research Centre, School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
| | - Eoin P. Brennan
- Diabetes Complications Research Centre, School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
| | - Lars Fändriks
- Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, 40530 Gothenburg, Sweden
| | - Carel W. le Roux
- Diabetes Complications Research Centre, School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
- Diabetes Research Group, Ulster University, Coleraine BT52 1SA, UK
| | - Neil G. Docherty
- Diabetes Complications Research Centre, School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
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Shen J, Li X, Zhang X, Li Z, Abulaiti G, Liu Y, Yao J, Zhang P. Effects of Xinjiang wild cherry plum ( Prunus divaricata Ledeb) anthocyanin-rich extract on the plasma metabolome of atherosclerotic apoE-deficient mice fed a high-fat diet. Front Nutr 2022; 9:923699. [PMID: 35958261 PMCID: PMC9358619 DOI: 10.3389/fnut.2022.923699] [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: 04/22/2022] [Accepted: 06/30/2022] [Indexed: 11/13/2022] Open
Abstract
It is well-known that many vegetables and fruits have abundant polyphenols, such as anthocyanins, which benefit many cardiovascular diseases due to their anti-oxidative and anti-inflammatory effects. To explore the protective effect of anthocyanin on atherosclerosis from a metabolic perspective, alterations in plasma metabolic profiling of apoE-deficient (apoE–/–) mice in response to treatment with anthocyanin extracts derived from Xinjiang wild cherry plum (Prunus divaricata Ledeb) peel was investigated through UHPLC-Q-TOF/MS. The mice were fed with a normal diet or high-fat diet supplementation with or without anthocyanin extracts (ACNE, 75, 150, 250 mg/kg body weight) for 18 weeks, corresponding to control (Con), model (Mod), and treatment group (LD, low dose; MD, medium dose; HD, high dose), respectively, along with a positive control group (posCon, treatment with Atorvastatin, 0.003 mg/kg body weight). The results showed that ACNE could significantly enhance the antioxidant capacity and lower the plasma lipid, but have no evident influence on the body weight of apoE–/– mice. A series of differential metabolites, predominantly related to lipid metabolism, were identified, including docosahexaenoic acid, palmitoyl ethanolamide, stearoylcarnitine, L-palmitoylcarnitine, indoxyl sulfate (IS), 1-palmitoyl-lysophosphatidylcholine, phenylacetylglycine (PAGly), and so on. Among these, both IS and PAGly were host-microbial metabolites. These differential metabolites were mainly enriched in the pathway of glycerophospholipid metabolism and linoleic acid metabolism. Several important enzymes related to glycerophospholipid metabolisms such as LCAT, LPCAT, GPCPD1, PLA2G1B, PPARG, LIPE, PNPLA2, AGPAT1, and ENPP2 were recognized as underlying targets for anti-atherogenic effects of ACNE. These findings suggest that ACNE derived from Xinjiang wild cherry plum exhibits protective effects against atherosclerosis via modulating glycerophospholipid metabolism.
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Affiliation(s)
- Jing Shen
- College of Pharmacy, Xinjiang Medical University, Urumqi, China.,Department of Pharmacy, Fifth Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Xing Li
- School of Basic Medical Sciences, Shaoyang University, Shaoyang, China
| | - Xin Zhang
- Department of Pharmacy, Fifth Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Zhen Li
- Department of Pharmacy, Fifth Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Gulisitan Abulaiti
- Department of Pharmacy, Fifth Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Yang Liu
- Department of Pharmacy, Fifth Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Jun Yao
- College of Pharmacy, Xinjiang Medical University, Urumqi, China
| | - Pei Zhang
- Department of Pharmacy, Fifth Affiliated Hospital of Xinjiang Medical University, Urumqi, China
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