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Fu X, Knappe C, Rohlfing AK, Gawaz MP, Lämmerhofer M. Non-enantioselective, enantioselective, and two-dimensional liquid chromatography coupled with tandem mass spectrometry for the study of stereochemical disposition of oxylipins in cGMP-regulated hemin-treated platelets. J Pharm Biomed Anal 2024; 248:116328. [PMID: 38943819 DOI: 10.1016/j.jpba.2024.116328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 06/22/2024] [Accepted: 06/24/2024] [Indexed: 07/01/2024]
Abstract
Oxylipins are important low abundant signaling molecules in living organisms. In platelets they play a primary role in platelet activation and aggregation in the course of thrombotic events. In vivo, they are enzymatically synthesized by cyclooxygenases, lipoxygenases, or cytochrome P450 isoenzmes, resulting in diverse polyunsaturated fatty acid (FA) metabolites including hydroxy-, epoxy-, oxo-FAs, and endoperoxides with pro-thrombotic or anti-thrombotic effects. In a recent study, it was reported that hemin induces platelet death which was accompanied by enhanced reactive oxygen species (ROS) production (measured by flow cytometry) and lipid peroxidation (as determined by proxy using flow cytometry with BODIPY-C11 as sensor). Lipidomic studies further indicated significant changes of the platelet lipidome upon ex vivo hemin treatment, amongst others oxylipins were increased. The effect could be (at least partly) reversed by riociguat/diethylamine NONOate diethylammonium salt (DEA/NO) which modulates the soluble guanylate cyclase(sGC)-cGMP-cGMP-dependent protein kinase I(cGKI) signaling axis. In the original work, oxylipins were measured by a non-enantioselective UHPLC-tandem-MS assay which may not give the full picture whether oxylipin elevation is due to ROS or by enzymatic processes. We present here the study of the stereochemical disposition of hemin-induced platelet lipidome alterations using Chiralpak IA-U column with amylose tris(3,5-dimethylphenylcarbamate) chiral selector immobilized on 1.6 µm silica particles. It was found that the major platelet oxylipins 12-HETE, 12-HEPE and 14-HDoHE (from 12-LOX) and 12-HHT (from COX-1) were present in S-configuration indicating their enzymatic formation. On the other hand, both R and S enantiomers of 9- and 13-HODE, 11- and 15-HETE were detected, possibly due to enzyme promiscuity rather than non-specific oxidation (by ROS or autoxidation), as confirmed by multi-loop based two-dimensional LC-MS using selective comprehensive mode with achiral RPLC in the 1st dimension and chiral LC in the 2nd using a multiple heart-cutting interface. For 12-HETrE, a peak at the retention time of the R-enantiomer was ruled out as isobaric interference by 2D-LC-MS. In particular, arachidonic acid derivates 12(S)-HHT, 11(R)-HETE and 15(S)-HETE were found to be sensitive to hemin and cGMP modulation.
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Affiliation(s)
- Xiaoqing Fu
- University of Tübingen, Institute of Pharmaceutical Sciences, Pharmaceutical (Bio-)Analysis, Auf der Morgenstelle 8, Tübingen 72076, Germany.
| | - Cornelius Knappe
- University of Tübingen, Institute of Pharmaceutical Sciences, Pharmaceutical (Bio-)Analysis, Auf der Morgenstelle 8, Tübingen 72076, Germany
| | - Anne-Katrin Rohlfing
- Department of Cardiology and Angiology, University Hospital Tübingen, Otfried-Müller-Strasse 10, Tübingen 72076, Germany
| | - Meinrad P Gawaz
- Department of Cardiology and Angiology, University Hospital Tübingen, Otfried-Müller-Strasse 10, Tübingen 72076, Germany
| | - Michael Lämmerhofer
- University of Tübingen, Institute of Pharmaceutical Sciences, Pharmaceutical (Bio-)Analysis, Auf der Morgenstelle 8, Tübingen 72076, Germany.
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2
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Gretschel J, El Hage R, Wang R, Chen Y, Pietzner A, Loew A, Leineweber CG, Wördemann J, Rohwer N, Weylandt KH, Schmöcker C. Harnessing Oxylipins and Inflammation Modulation for Prevention and Treatment of Colorectal Cancer. Int J Mol Sci 2024; 25:5408. [PMID: 38791445 PMCID: PMC11121665 DOI: 10.3390/ijms25105408] [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: 01/29/2024] [Revised: 05/07/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
Colorectal cancer (CRC) is one of the most prevalent cancers worldwide, ranking as the third most malignant. The incidence of CRC has been increasing with time, and it is reported that Westernized diet and lifestyle play a significant role in its higher incidence and rapid progression. The intake of high amounts of omega-6 (n - 6) PUFAs and low levels of omega-3 (n - 3) PUFAs has an important role in chronic inflammation and cancer progression, which could be associated with the increase in CRC prevalence. Oxylipins generated from PUFAs are bioactive lipid mediators and have various functions, especially in inflammation and proliferation. Carcinogenesis is often a consequence of chronic inflammation, and evidence has shown the particular involvement of n - 6 PUFA arachidonic acid-derived oxylipins in CRC, which is further described in this review. A deeper understanding of the role and metabolism of PUFAs by their modifying enzymes, their pathways, and the corresponding oxylipins may allow us to identify new approaches to employ oxylipin-associated immunomodulation to enhance immunotherapy in cancer. This paper summarizes oxylipins identified in the context of the initiation, development, and metastasis of CRC. We further explore CRC chemo-prevention strategies that involve oxylipins as potential therapeutics.
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Affiliation(s)
- Julius Gretschel
- Medical Department B, Division of Hepatology, Gastroenterology, Oncology, Hematology, Palliative Care, Endocrinology and Diabetes, University Hospital Ruppin-Brandenburg, Brandenburg Medical School, 16816 Neuruppin, Germany (R.E.H.); (Y.C.); (A.P.); (A.L.); (C.G.L.); (J.W.); (N.R.); (K.H.W.)
- Faculty of Health Sciences, Joint Faculty of the Brandenburg University of Technology Cottbus-Senftenberg, Brandenburg Medical School and University of Potsdam, 14476 Potsdam, Germany
| | - Racha El Hage
- Medical Department B, Division of Hepatology, Gastroenterology, Oncology, Hematology, Palliative Care, Endocrinology and Diabetes, University Hospital Ruppin-Brandenburg, Brandenburg Medical School, 16816 Neuruppin, Germany (R.E.H.); (Y.C.); (A.P.); (A.L.); (C.G.L.); (J.W.); (N.R.); (K.H.W.)
- Department of Vascular Surgery, University Hospital Ruppin-Brandenburg, Brandenburg Medical School, Fehrbelliner Str. 38, 16816 Neuruppin, Germany
| | - Ruirui Wang
- Medical Department B, Division of Hepatology, Gastroenterology, Oncology, Hematology, Palliative Care, Endocrinology and Diabetes, University Hospital Ruppin-Brandenburg, Brandenburg Medical School, 16816 Neuruppin, Germany (R.E.H.); (Y.C.); (A.P.); (A.L.); (C.G.L.); (J.W.); (N.R.); (K.H.W.)
- Medical Department, Division of Psychosomatic Medicine, Campus Benjamin Franklin, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 12203 Berlin, Germany
| | - Yifang Chen
- Medical Department B, Division of Hepatology, Gastroenterology, Oncology, Hematology, Palliative Care, Endocrinology and Diabetes, University Hospital Ruppin-Brandenburg, Brandenburg Medical School, 16816 Neuruppin, Germany (R.E.H.); (Y.C.); (A.P.); (A.L.); (C.G.L.); (J.W.); (N.R.); (K.H.W.)
- Medical Department, Division of Psychosomatic Medicine, Campus Benjamin Franklin, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 12203 Berlin, Germany
| | - Anne Pietzner
- Medical Department B, Division of Hepatology, Gastroenterology, Oncology, Hematology, Palliative Care, Endocrinology and Diabetes, University Hospital Ruppin-Brandenburg, Brandenburg Medical School, 16816 Neuruppin, Germany (R.E.H.); (Y.C.); (A.P.); (A.L.); (C.G.L.); (J.W.); (N.R.); (K.H.W.)
- Faculty of Health Sciences, Joint Faculty of the Brandenburg University of Technology Cottbus-Senftenberg, Brandenburg Medical School and University of Potsdam, 14476 Potsdam, Germany
| | - Andreas Loew
- Medical Department B, Division of Hepatology, Gastroenterology, Oncology, Hematology, Palliative Care, Endocrinology and Diabetes, University Hospital Ruppin-Brandenburg, Brandenburg Medical School, 16816 Neuruppin, Germany (R.E.H.); (Y.C.); (A.P.); (A.L.); (C.G.L.); (J.W.); (N.R.); (K.H.W.)
- Faculty of Health Sciences, Joint Faculty of the Brandenburg University of Technology Cottbus-Senftenberg, Brandenburg Medical School and University of Potsdam, 14476 Potsdam, Germany
| | - Can G. Leineweber
- Medical Department B, Division of Hepatology, Gastroenterology, Oncology, Hematology, Palliative Care, Endocrinology and Diabetes, University Hospital Ruppin-Brandenburg, Brandenburg Medical School, 16816 Neuruppin, Germany (R.E.H.); (Y.C.); (A.P.); (A.L.); (C.G.L.); (J.W.); (N.R.); (K.H.W.)
- Faculty of Health Sciences, Joint Faculty of the Brandenburg University of Technology Cottbus-Senftenberg, Brandenburg Medical School and University of Potsdam, 14476 Potsdam, Germany
| | - Jonas Wördemann
- Medical Department B, Division of Hepatology, Gastroenterology, Oncology, Hematology, Palliative Care, Endocrinology and Diabetes, University Hospital Ruppin-Brandenburg, Brandenburg Medical School, 16816 Neuruppin, Germany (R.E.H.); (Y.C.); (A.P.); (A.L.); (C.G.L.); (J.W.); (N.R.); (K.H.W.)
- Faculty of Health Sciences, Joint Faculty of the Brandenburg University of Technology Cottbus-Senftenberg, Brandenburg Medical School and University of Potsdam, 14476 Potsdam, Germany
| | - Nadine Rohwer
- Medical Department B, Division of Hepatology, Gastroenterology, Oncology, Hematology, Palliative Care, Endocrinology and Diabetes, University Hospital Ruppin-Brandenburg, Brandenburg Medical School, 16816 Neuruppin, Germany (R.E.H.); (Y.C.); (A.P.); (A.L.); (C.G.L.); (J.W.); (N.R.); (K.H.W.)
- Faculty of Health Sciences, Joint Faculty of the Brandenburg University of Technology Cottbus-Senftenberg, Brandenburg Medical School and University of Potsdam, 14476 Potsdam, Germany
- Medical Department, Division of Psychosomatic Medicine, Campus Benjamin Franklin, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 12203 Berlin, Germany
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam-Rehbruecke, 14558 Nuthetal, Germany
| | - Karsten H. Weylandt
- Medical Department B, Division of Hepatology, Gastroenterology, Oncology, Hematology, Palliative Care, Endocrinology and Diabetes, University Hospital Ruppin-Brandenburg, Brandenburg Medical School, 16816 Neuruppin, Germany (R.E.H.); (Y.C.); (A.P.); (A.L.); (C.G.L.); (J.W.); (N.R.); (K.H.W.)
- Faculty of Health Sciences, Joint Faculty of the Brandenburg University of Technology Cottbus-Senftenberg, Brandenburg Medical School and University of Potsdam, 14476 Potsdam, Germany
| | - Christoph Schmöcker
- Medical Department B, Division of Hepatology, Gastroenterology, Oncology, Hematology, Palliative Care, Endocrinology and Diabetes, University Hospital Ruppin-Brandenburg, Brandenburg Medical School, 16816 Neuruppin, Germany (R.E.H.); (Y.C.); (A.P.); (A.L.); (C.G.L.); (J.W.); (N.R.); (K.H.W.)
- Faculty of Health Sciences, Joint Faculty of the Brandenburg University of Technology Cottbus-Senftenberg, Brandenburg Medical School and University of Potsdam, 14476 Potsdam, Germany
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Hagn G, Meier-Menches SM, Plessl-Walder G, Mitra G, Mohr T, Preindl K, Schlatter A, Schmidl D, Gerner C, Garhöfer G, Bileck A. Plasma Instead of Serum Avoids Critical Confounding of Clinical Metabolomics Studies by Platelets. J Proteome Res 2024. [PMID: 38520676 DOI: 10.1021/acs.jproteome.3c00761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/25/2024]
Abstract
Metabolomics is an emerging and powerful bioanalytical method supporting clinical investigations. Serum and plasma are commonly used without rational prioritization. Serum is collected after blood coagulation, a complex biochemical process involving active platelet metabolism. This may affect the metabolome and increase the variance, as platelet counts and function may vary substantially in individuals. A multiomics approach systematically investigating the suitability of serum and plasma for clinical studies demonstrated that metabolites correlated well (n = 461, R2 = 0.991), whereas lipid mediators (n = 83, R2 = 0.906) and proteins (n = 322, R2 = 0.860) differed substantially between specimen. Independently, analysis of platelet releasates identified most biomolecules significantly enriched in serum compared to plasma. A prospective, randomized, controlled parallel group metabolomics trial with acetylsalicylic acid administered for 7 days demonstrated that the apparent drug effects significantly differ depending on the analyzed specimen. Only serum analyses of healthy individuals suggested a significant downregulation of TXB2 and 12-HETE, which were specifically formed during coagulation in vitro. Plasma analyses reliably identified acetylsalicylic acid effects on metabolites and lipids occurring in vivo such as an increase in serotonin, 15-deoxy-PGJ2 and sphingosine-1-phosphate and a decrease in polyunsaturated fatty acids. The present data suggest that plasma should be preferred above serum for clinical metabolomics studies as the serum metabolome may be substantially confounded by platelets.
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Affiliation(s)
- Gerhard Hagn
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 38, 1090 Vienna, Austria
- Vienna Doctoral School in Chemistry (DoSChem), University of Vienna, Waehringer Str. 42, 1090 Vienna, Austria
| | - Samuel M Meier-Menches
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 38, 1090 Vienna, Austria
- Joint Metabolome Facility, University and Medical University of Vienna, WaehringerStraße 38, 1090 Vienna, Austria
| | - Günter Plessl-Walder
- Joint Metabolome Facility, University and Medical University of Vienna, WaehringerStraße 38, 1090 Vienna, Austria
| | - Gaurav Mitra
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 38, 1090 Vienna, Austria
- Joint Metabolome Facility, University and Medical University of Vienna, WaehringerStraße 38, 1090 Vienna, Austria
| | - Thomas Mohr
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 38, 1090 Vienna, Austria
| | - Karin Preindl
- Joint Metabolome Facility, University and Medical University of Vienna, WaehringerStraße 38, 1090 Vienna, Austria
- Department of Laboratory Medicine, Medical University of Vienna, Waehringer Gürtel 18-20, 1090 Vienna, Austria
| | - Andreas Schlatter
- Department of Clinical Pharmacology, Medical University of Vienna, 1090 Vienna, Austria
| | - Doreen Schmidl
- Department of Clinical Pharmacology, Medical University of Vienna, 1090 Vienna, Austria
| | - Christopher Gerner
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 38, 1090 Vienna, Austria
- Joint Metabolome Facility, University and Medical University of Vienna, WaehringerStraße 38, 1090 Vienna, Austria
| | - Gerhard Garhöfer
- Department of Clinical Pharmacology, Medical University of Vienna, 1090 Vienna, Austria
| | - Andrea Bileck
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 38, 1090 Vienna, Austria
- Joint Metabolome Facility, University and Medical University of Vienna, WaehringerStraße 38, 1090 Vienna, Austria
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4
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Conte C, Cipponeri E, Roden M. Diabetes Mellitus, Energy Metabolism, and COVID-19. Endocr Rev 2024; 45:281-308. [PMID: 37934800 PMCID: PMC10911957 DOI: 10.1210/endrev/bnad032] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 08/30/2023] [Accepted: 11/01/2023] [Indexed: 11/09/2023]
Abstract
Obesity, diabetes mellitus (mostly type 2), and COVID-19 show mutual interactions because they are not only risk factors for both acute and chronic COVID-19 manifestations, but also because COVID-19 alters energy metabolism. Such metabolic alterations can lead to dysglycemia and long-lasting effects. Thus, the COVID-19 pandemic has the potential for a further rise of the diabetes pandemic. This review outlines how preexisting metabolic alterations spanning from excess visceral adipose tissue to hyperglycemia and overt diabetes may exacerbate COVID-19 severity. We also summarize the different effects of SARS-CoV-2 infection on the key organs and tissues orchestrating energy metabolism, including adipose tissue, liver, skeletal muscle, and pancreas. Last, we provide an integrative view of the metabolic derangements that occur during COVID-19. Altogether, this review allows for better understanding of the metabolic derangements occurring when a fire starts from a small flame, and thereby help reducing the impact of the COVID-19 pandemic.
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Affiliation(s)
- Caterina Conte
- Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, Rome 00166, Italy
- Department of Endocrinology, Nutrition and Metabolic Diseases, IRCCS MultiMedica, Milan 20099, Italy
| | - Elisa Cipponeri
- Department of Endocrinology, Nutrition and Metabolic Diseases, IRCCS MultiMedica, Milan 20099, Italy
| | - Michael Roden
- Department of Endocrinology and Diabetology, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf 40225, Germany
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich-Heine-University Düsseldorf, Düsseldorf 40225, Germany
- German Center for Diabetes Research, Partner Düsseldorf, Neuherberg 85764, Germany
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Huang Y, Dong S, Li X, Shi J, Zhang Y, Liu S, Zhang Y, Yu J. VNS-mediated α7nAChR signaling promotes SPM synthesis via regulation of netrin-1 expression during LPS-induced ALI. FASEB J 2024; 38:e9664. [PMID: 38038805 DOI: 10.1096/fj.202301623r] [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: 08/09/2023] [Revised: 11/01/2023] [Accepted: 11/14/2023] [Indexed: 12/02/2023]
Abstract
The α7 nicotinic acetylcholine receptor (α7nAChR) plays a crucial role in the cholinergic anti-inflammatory pathway (CAP) during sepsis-associated acute lung injury (ALI). Increasing evidence suggests that specialized pro-resolving mediators (SPMs) are important in resolving α7nAChR-mediated ALI resolution. Our study aims to elucidate the pivotal role of α7nAChR in the CAP during LPS-associated acute lung injury (ALI). By employing vagus nerve stimulation (VNS), we identified α7nAChR as the key CAP subunit in ALI mice, effectively reducing lung permeability and the release of inflammatory cytokines. We further investigated the alterations in SPMs regulated by α7nAChR, revealing a predominant synthesis of lipoxin A4 (LXA4). The significance of α7nAChR-netrin-1 pathway in governing SPM synthesis was confirmed through the use of netrin-1 knockout mice and siRNA-transfected macrophages. Additionally, our evaluation identified a synchronous alteration of LXA4 synthesis in the α7nAChR-netrin-1 pathway accompanied by 5-lipoxygenase (5-LOX), thereby confirming an ameliorative effect of LXA4 on lung injury and macrophage inflammatory response. Concurrently, inhibiting the function of LXA4 annulled the lung-protective effect of VNS. As a result, our findings reveal a novel anti-inflammatory pathway wherein VNS modulates netrin-1 expression via α7nAChR, ultimately leading to LXA4 synthesis and subsequent lung protection.
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Affiliation(s)
- Yan Huang
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Shuan Dong
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Xiangyun Li
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Jia Shi
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Yuan Zhang
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Shasha Liu
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Ye Zhang
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Jianbo Yu
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
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Larsen HJ, Byrne D, Özpolat T, Chauhan A, Bailey SL, Rhoads N, Reed F, Stolla MC, Adili R, Holinstat M, Fu X, Stolla M. Loss of 12-Lipoxygenase Improves the Post-Transfusion Function of Stored Platelets. Arterioscler Thromb Vasc Biol 2023; 43:1990-2007. [PMID: 37650322 PMCID: PMC10538391 DOI: 10.1161/atvbaha.123.319021] [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: 01/18/2023] [Accepted: 08/14/2023] [Indexed: 09/01/2023]
Abstract
BACKGROUND Platelets for transfusion are stored for 5 to 7 days. Previous studies have shown that HETE levels in the storage bag negatively correlate with platelet performance in vivo, suggesting that the dysregulation of bioactive lipid mediators may contribute to the storage lesion. In the current study, we sought to understand how genetic deletion and pharmacological inhibition of 12-LOX (12-lipoxygenase) affects platelets during storage and after transfusion. METHODS Platelets from 12-LOX+/+ (wild-type [WT]) and 12-LOX-/- mice were stored for 24 and 48 hours and profiled using liquid chromatography-tandem mass spectrometry-multiple reaction monitoring or transfused into thrombocytopenic hIL4R (human interleukin 4 receptor)-transgenic mice. Platelet function was assessed by flow cytometry and in vivo thrombosis and hemostasis models. To test the role of the COX-1 (cyclooxygenase-1) pathway, donor mice were treated with acetylsalicylic acid. Human platelets were treated with the 12-LOX inhibitor, VLX-1005, or vehicle, stored, and transfused to NOD/SCID (nonobese diabetic/severe combined immunodeficiency) mice. RESULTS Polyunsaturated fatty acids increased significantly in stored platelets from 12-LOX-/- mice, whereas oxylipin concentrations were significantly higher in WT platelets. After transfusion to thrombocytopenic mice, we observed significantly more baseline αIIbβ3 integrin activation in 12-LOX-/- platelets than in WT platelets. Stored platelets from 12-LOX-/- mice occluded vessels significantly faster than stored WT platelets. In hemostasis models, significantly more stored 12-LOX-/- than WT platelets accumulated at the site of venous injury leading to reduced blood loss. Inhibition of COX-1 abrogated both increased integrin activation and thromboxane generation in stored 12-LOX-/- platelets, highlighting the critical role of this pathway for improved post-transfusion function. Consistent with our mouse studies, human platelets stored with VLX-1005, showed increased integrin activation compared with vehicle-treated platelets after transfusion. CONCLUSIONS Deleting 12-LOX improves the post-transfusion function of stored murine platelets by increasing thromboxane generation through COX-1-dependent arachidonic acid metabolism. Future studies should determine the feasibility and safety of 12-LOX-inhibited platelets transfused to humans.
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Affiliation(s)
| | - Daire Byrne
- Bloodworks Northwest Research Institute, Seattle, WA
| | | | | | | | - Nicole Rhoads
- Bloodworks Northwest Research Institute, Seattle, WA
| | - Franklin Reed
- Bloodworks Northwest Research Institute, Seattle, WA
| | - Massiel C. Stolla
- University of Washington Medical Center, Department of Medicine, Division of Hematology, Seattle, WA
| | - Reheman Adili
- Bloodworks Northwest Research Institute, Seattle, WA
| | | | - Xiaoyun Fu
- Bloodworks Northwest Research Institute, Seattle, WA
- University of Washington Medical Center, Department of Medicine, Division of Hematology, Seattle, WA
| | - Moritz Stolla
- Bloodworks Northwest Research Institute, Seattle, WA
- University of Washington Medical Center, Department of Medicine, Division of Hematology, Seattle, WA
- University of Washington Medical Center, Department of Laboratory Medicine and Pathology, Seattle, WA
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7
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El-Derany MO, Hanna DMF, Youshia J, Elmowafy E, Farag MA, Azab SS. Metabolomics-directed nanotechnology in viral diseases management: COVID-19 a case study. Pharmacol Rep 2023; 75:1045-1065. [PMID: 37587394 PMCID: PMC10539420 DOI: 10.1007/s43440-023-00517-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 07/28/2023] [Accepted: 07/28/2023] [Indexed: 08/18/2023]
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is currently regarded as the twenty-first century's plague accounting for coronavirus disease 2019 (COVID-19). Besides its reported symptoms affecting the respiratory tract, it was found to alter several metabolic pathways inside the body. Nanoparticles proved to combat viral infections including COVID-19 to demonstrate great success in developing vaccines based on mRNA technology. However, various types of nanoparticles can affect the host metabolome. Considering the increasing proportion of nano-based vaccines, this review compiles and analyses how COVID-19 and nanoparticles affect lipids, amino acids, and carbohydrates metabolism. A search was conducted on PubMed, ScienceDirect, Web of Science for available information on the interrelationship between metabolomics and immunity in the context of SARS-CoV-2 infection and the effect of nanoparticles on metabolite levels. It was clear that SARS-CoV-2 disrupted several pathways to ensure a sufficient supply of its building blocks to facilitate its replication. Such information can help in developing treatment strategies against viral infections and COVID-19 based on interventions that overcome these metabolic changes. Furthermore, it showed that even drug-free nanoparticles can exert an influence on biological systems as evidenced by metabolomics.
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Affiliation(s)
- Marwa O El-Derany
- Department of Biochemistry, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Diana M F Hanna
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, 11566, Cairo, Egypt
| | - John Youshia
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Enas Elmowafy
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Mohamed A Farag
- Pharmacognosy Department, College of Pharmacy, Cairo University, Kasr El-Aini St., P.B. 11562, Cairo, Egypt
| | - Samar S Azab
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, 11566, Cairo, Egypt.
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8
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Tran M, Stanger L, Narendra S, Holinstat M, Holman TR. Investigating the catalytic efficiency of C22-Fatty acids with LOX human isozymes and the platelet response of the C22-oxylipin products. Arch Biochem Biophys 2023; 747:109742. [PMID: 37696384 PMCID: PMC10821779 DOI: 10.1016/j.abb.2023.109742] [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: 07/07/2023] [Revised: 08/28/2023] [Accepted: 09/05/2023] [Indexed: 09/13/2023]
Abstract
Polyunsaturated fatty acids (PUFAs) have been extensively studied for their health benefits because they can be oxidized by lipoxygenases to form bioactive oxylipins. In this study, we investigated the impact of double bond placement on the kinetic properties and product profiles of human platelet 12-lipoxygenase (h12-LOX), human reticulocyte 15-lipoxygenase-1 (h15-LOX-1), and human endothelial 15-lipoxygenase-2 (h15-LOX-2) by using 22-carbon (C22) fatty acid substrates with differing double bond content. With respect to kcat/KM values, the loss of Δ4 and Δ19 led to an 18-fold loss of kinetic activity for h12-LOX, no change in kinetic capability for h15-LOX-1, but a 24-fold loss for h15-LOX-2 for both C22-FAs. With respect to the product profiles, h12-LOX produced mainly 14-oxylipins. For h15-LOX-1, the 14-oxylipin production increased with the loss of either Δ4 and Δ19, however, the 17-oxylipin became the major species upon loss of both Δ4 and Δ19. h15-LOX-2 produced mostly the 17-oxylipin products throughout the fatty acid series. This study also investigated the effects of various 17-oxylipins on platelet activation. The results revealed that both 17(S)-hydroxy-4Z,7Z,10Z,13Z,15E,19Z-DHA (17-HDHA) and 17-hydroxy-4Z,7Z,10Z,13Z,15E-DPAn6 (17-HDPAn6) demonstrated anti-aggregation properties with thrombin or collagen stimulation. 17-hydroxy-7Z,10Z,13Z,15E,19Z-DPAn3 (17-HDPAn3) exhibited agonistic properties, and 17-hydroxy-7Z,10Z,13Z,15E-DTA (17-HDTA) showed biphasic effects, inhibiting collagen-induced aggregation at lower concentrationsbut promoting aggregation at higher concentrations. Both 17-hydroxy-13Z,15E,19Z-DTrA (17-HDTrA), and 17-hydroxy-13Z,15E-DDiA (17-HDDiA) induced platelet aggregation. In summary, the number and placement of the double bonds affect platelet activation, with the general trend being that more double bonds generally inhibit aggregation, while less double bonds promote aggregation. These findings provide insights into the potential role of specific fatty acids and their metabolizing LOX isozymes with respect to cardiovascular health.
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Affiliation(s)
- Michelle Tran
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA 95064, USA
| | - Livia Stanger
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA
| | - Srihari Narendra
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA 95064, USA
| | - Michael Holinstat
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA
| | - Theodore R Holman
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA 95064, USA.
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9
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Duchez AC, Fauteux-Daniel S, Ebermeyer T, Heestermans M, Arthaud CA, Eyraud MA, Prier A, Audoux E, Portais JC, Bertrand-Michel J, Garraud O, Hamzeh-Cognasse H, Boilard E, Cognasse F. Lipidomic analysis of differently prepared platelet concentrates in additive solution during storage. BLOOD TRANSFUSION = TRASFUSIONE DEL SANGUE 2023; 21:409-421. [PMID: 36346879 PMCID: PMC10497391 DOI: 10.2450/2022.0144-22] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Structural and biochemical changes in stored platelets are influenced by collection and processing methods. Lesions may appear during platelet concentrate storage, some of which may be involved in adverse transfusion reactions. The preparation and storage of platelet concentrates (PC) may modify and even damage the lipid mediator content. The aim of this study was to investigate the lipidomic profile identified in the supernatants of PCs according to processing and storage conditions, both after leukocyte filtration and contained in platelet additive solution (PAS), comparing single donor apheresis (SDA) products with pooled buffy coat (BC) products. MATERIALS AND METHODS We investigated the accumulation of various lipid mediators including lysophospholipids (LP) and eicosanoids in SDA and BC products stored for 0-5 days. All products were processed following French Blood Establishment (EFS) procedures in accordance with EDQM/GTS European Standards. Both SDA and BC were leukocyte reduced and conserved in 35% autologous donor plasma and 65% platelet additive solution. Lipidomic analysis was performed on PC supernatants using LS/MS spectrometry. RESULTS Our data demonstrate that lysophosphatidylcholine (LPC) levels were higher in BCs compared to SDAs, with no difference in lysophosphatidic acid (LPA) expression between the two preparation methods. Results for other eicosanoids showed greater similarity; indeed, no clear pattern emerged from analysis of eicosanoids in terms of storage time and process. In general, we observed longitudinal lipid mediator modulation for both SDAs and BCs, particularly at later time points. DISCUSSION The expression of LPC and some eicosanoids in BCs could be used as novel biomarkers of PC quality. Future studies are needed to explore their impact on adverse transfusion reactions.
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Affiliation(s)
- Anne-Claire Duchez
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- University of Jean Monnet, Mines Saint-Étienne, INSERM, U 1059 SAINBIOSE, Saint-Étienne, France
| | - Sébastien Fauteux-Daniel
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- University of Jean Monnet, Mines Saint-Étienne, INSERM, U 1059 SAINBIOSE, Saint-Étienne, France
| | - Theo Ebermeyer
- University of Jean Monnet, Mines Saint-Étienne, INSERM, U 1059 SAINBIOSE, Saint-Étienne, France
| | - Marco Heestermans
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- University of Jean Monnet, Mines Saint-Étienne, INSERM, U 1059 SAINBIOSE, Saint-Étienne, France
| | - Charles-Antoine Arthaud
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- University of Jean Monnet, Mines Saint-Étienne, INSERM, U 1059 SAINBIOSE, Saint-Étienne, France
| | - Marie-Ange Eyraud
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- University of Jean Monnet, Mines Saint-Étienne, INSERM, U 1059 SAINBIOSE, Saint-Étienne, France
| | - Amélie Prier
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- University of Jean Monnet, Mines Saint-Étienne, INSERM, U 1059 SAINBIOSE, Saint-Étienne, France
| | - Estelle Audoux
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- University of Jean Monnet, Mines Saint-Étienne, INSERM, U 1059 SAINBIOSE, Saint-Étienne, France
| | - Jean-Charles Portais
- MetaToul-Lipidomic MetaboHUB Core Facility, Inserm, U1048, Toulouse France
- Laboratoire d'Hématologie, Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Justine Bertrand-Michel
- MetaToul-Lipidomic MetaboHUB Core Facility, Inserm, U1048, Toulouse France
- INSERM UMR 1214, ToNIC: Toulouse NeuroImaging Center, Toulouse, France
| | - Olivier Garraud
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- University of Jean Monnet, Mines Saint-Étienne, INSERM, U 1059 SAINBIOSE, Saint-Étienne, France
| | - Hind Hamzeh-Cognasse
- University of Jean Monnet, Mines Saint-Étienne, INSERM, U 1059 SAINBIOSE, Saint-Étienne, France
| | - Eric Boilard
- Department of Infectious Diseases and Immunity, Centre de Recherche du CHU de Québec, Canada
- Université Laval and Centre de recherche ARThrite, Québec, Canada
| | - Fabrice Cognasse
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- University of Jean Monnet, Mines Saint-Étienne, INSERM, U 1059 SAINBIOSE, Saint-Étienne, France
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10
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Wang W, Song L, Yang L, Li C, Ma Y, Xue M, Shi D. Panax quinquefolius saponins combined with dual antiplatelet therapy enhanced platelet inhibition with alleviated gastric injury via regulating eicosanoids metabolism. BMC Complement Med Ther 2023; 23:289. [PMID: 37596586 PMCID: PMC10436642 DOI: 10.1186/s12906-023-04112-7] [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: 10/15/2022] [Accepted: 08/01/2023] [Indexed: 08/20/2023] Open
Abstract
BACKGROUND Panax quinquefolius saponin (PQS) was shown beneficial against platelet adhesion and for gastroprotection. This study aimed to investigate the integrated efficacy of PQS with dual antiplatelet therapy (DAPT) on platelet aggregation, myocardial infarction (MI) expansion and gastric injury in a rat model of acute MI (AMI) and to explore the mechanism regarding arachidonic acid (AA)-derived eicosanoids metabolism. METHODS Wistar rats were subjected to left coronary artery occlusion to induce AMI model followed by treatment with DAPT, PQS or the combined therapy. Platelet aggregation was measured by light transmission aggregometry. Infarct size, myocardial histopathology was evaluated by TTC and H&E staining, respectively. Gastric mucosal injury was examined by scanning electron microscope (SEM). A comprehensive eicosanoids profile in plasma and gastric mucosa was characterized by liquid chromatography-mass spectrometer-based lipidomic analysis. RESULTS PQS+DAPT further decreased platelet aggregation, lessened infarction and attenuated cardiac injury compared with DAPT. Plasma lipidomic analysis revealed significantly increased synthesis of epoxyeicosatrienoic acid (EET) and prostaglandin (PG) I2 (potent inhibitors for platelet adhesion and aggregation) while markedly decreased thromboxane (TX) A2 (an agonist for platelet activation and thrombosis) by PQS+DAPT, relative to DAPT. DAPT induced overt gastric mucosal damage, which was attenuated by PQS co-administration. Mucosal gastroprotective PGs (PGE2, PGD2 and PGI2) were consistently increased after supplementation of PQS+DAPT. CONCLUSIONS Collectively, PQS+DAPT showed synergistic effect in platelet inhibition with ameliorated MI expansion partially through upregulation of AA/EET and AA/PGI2 synthesis while suppression of AA/TXA2 metabolism. PQS attenuated DAPT-induced gastric injury, which was mechanistically linked to increased mucosal PG production.
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Affiliation(s)
- Wenting Wang
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
- Affiliated Hangzhou Chest Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Lei Song
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
- Center of Cardiovascular Disease, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Lin Yang
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
- Center of Cardiovascular Disease, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Changkun Li
- Shimadzu (China) Co., LTD Beijing Branch, Beijing, 100020, China
| | - Yan Ma
- Department of Pathophysiology and Allergy Research, Center of Pathophysiology, Infectiology & Immunology, Vienna General Hospital, Medical University of Vienna, 1090, Vienna, Austria
| | - Mei Xue
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
- Center of Cardiovascular Disease, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Dazhuo Shi
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
- Center of Cardiovascular Disease, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
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11
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Stanger L, Holinstat M. Bioactive lipid regulation of platelet function, hemostasis, and thrombosis. Pharmacol Ther 2023; 246:108420. [PMID: 37100208 PMCID: PMC11143998 DOI: 10.1016/j.pharmthera.2023.108420] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 04/15/2023] [Accepted: 04/17/2023] [Indexed: 04/28/2023]
Abstract
Platelets are small, anucleate cells in the blood that play a crucial role in the hemostatic response but are also implicated in the pathophysiology of cardiovascular disease. It is widely appreciated that polyunsaturated fatty acids (PUFAs) play an integral role in the function and regulation of platelets. PUFAs are substrates for oxygenase enzymes cyclooxygenase-1 (COX-1), 5-lipoxygenase (5-LOX), 12-lipoxygenase (12-LOX) and 15-lipoxygenase (15-LOX). These enzymes generate oxidized lipids (oxylipins) that exhibit either pro- or anti-thrombotic effects. Although the effects of certain oxylipins, such as thromboxanes and prostaglandins, have been studied for decades, only one oxylipin has been therapeutically targeted to treat cardiovascular disease. In addition to the well-known oxylipins, newer oxylipins that demonstrate activity in the platelet have been discovered, further highlighting the expansive list of bioactive lipids that can be used to develop novel therapeutics. This review outlines the known oxylipins, their activity in the platelet, and current therapeutics that target oxylipin signaling.
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Affiliation(s)
- Livia Stanger
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI, United States of America
| | - Michael Holinstat
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI, United States of America; Department of Internal Medicine, Division of Cardiovascular Medicine, University of Michigan Medical School, Ann Arbor, MI, United States of America.
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12
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Chistyakov DV, Kovalenko LV, Donnikov MY, Sergeeva MG. Blood Oxylipin Profiles as Markers of Oncological Diseases. BIOCHEMISTRY. BIOKHIMIIA 2023; 88:621-629. [PMID: 37331708 DOI: 10.1134/s000629792305005x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 03/03/2023] [Accepted: 03/11/2023] [Indexed: 06/20/2023]
Abstract
Oxylipins are signal lipid molecules formed from polyunsaturated fatty acids (PUFAs) in several multienzymatic metabolic pathways, such as cyclooxygenase (COX), lipoxygenase (LOX), epoxygenase (CYP), and anandamide pathways, as well as non-enzymatically. The pathways of PUFA transformation are activated in parallel, yielding a mixture of physiologically active substances. Although the association of oxylipins with carcinogenesis had been established a long time ago, only recently analytical methods have advanced to a degree allowing detection and quantification of oxylipins from different classes (oxylipin profiles). The review describes current approaches to the HPLC-MS/MS analysis of oxylipin profiles and compares oxylipin profiles from patients with oncological diseases (breast cancer, colorectal cancer, ovarian cancer, lung cancer, prostate cancer, liver cancer). The possibility of using blood oxylipin profiles as biomarkers in oncological diseases is discussed. Understanding the patterns of PUFA metabolism and physiological activity of combinations of oxylipins will improve early diagnostics of oncological diseases and evaluation of disease prognosis.
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Affiliation(s)
- Dmitry V Chistyakov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119992, Russia.
| | | | - Maxim Y Donnikov
- Medical Institute, Surgut State University, Surgut, 628416, Russia
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13
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Yamaguchi A, van Hoorebeke C, Tourdot BE, Perry S, Lee G, Rhoads N, Rickenberg A, Green A, Sorrentino J, Yeung J, Freedman JC, Holman TR, Holinstat M. Fatty acids negatively regulate platelet function through formation of noncanonical 15-lipoxygenase-derived eicosanoids. Pharmacol Res Perspect 2023; 11:e01056. [PMID: 36708179 PMCID: PMC9883682 DOI: 10.1002/prp2.1056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 01/06/2023] [Accepted: 01/09/2023] [Indexed: 01/29/2023] Open
Abstract
The antiplatelet effect of polyunsaturated fatty acids is primarily attributed to its metabolism to bioactive metabolites by oxygenases, such as lipoxygenases (LOX). Platelets have demonstrated the ability to generate 15-LOX-derived metabolites (15-oxylipins); however, whether 15-LOX is in the platelet or is required for the formation of 15-oxylipins remains unclear. This study seeks to elucidate whether 15-LOX is required for the formation of 15-oxylipins in the platelet and determine their mechanistic effects on platelet reactivity. In this study, 15-HETrE, 15-HETE, and 15-HEPE attenuated collagen-induced platelet aggregation, and 15-HETrE inhibited platelet aggregation induced by different agonists. The observed anti-aggregatory effect was due to the inhibition of intracellular signaling including αIIbβ3 and protein kinase C activities, calcium mobilization, and granule secretion. While 15-HETrE inhibited platelets partially through activation of peroxisome proliferator-activated receptor β (PPARβ), 15-HETE also inhibited platelets partially through activation of PPARα. 15-HETrE, 15-HETE, or 15-HEPE inhibited 12-LOX in vitro, with arachidonic acid as the substrate. Additionally, a 15-oxylipin-dependent attenuation of 12-HETE level was observed in platelets following ex vivo treatment with 15-HETrE, 15-HETE, or 15-HEPE. Platelets treated with DGLA formed 15-HETrE and collagen-induced platelet aggregation was attenuated only in the presence of ML355 or aspirin, but not in the presence of 15-LOX-1 or 15-LOX-2 inhibitors. Expression of 15-LOX-1, but not 15-LOX-2, was decreased in leukocyte-depleted platelets compared to non-depleted platelets. Taken together, these findings suggest that 15-oxylipins regulate platelet reactivity; however, platelet expression of 15-LOX-1 is low, suggesting that 15-oxylipins may be formed in the platelet through a 15-LOX-independent pathway.
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Affiliation(s)
- Adriana Yamaguchi
- Department of PharmacologyUniversity of MichiganAnn ArborMichiganUSA
| | | | | | - Steven C. Perry
- Department of Chemistry and BiochemistryUniversity of California Santa CruzSanta CruzCaliforniaUSA
| | - Grace Lee
- Department of PharmacologyUniversity of MichiganAnn ArborMichiganUSA
| | - Nicole Rhoads
- Department of PharmacologyUniversity of MichiganAnn ArborMichiganUSA
| | - Andrew Rickenberg
- Department of PharmacologyUniversity of MichiganAnn ArborMichiganUSA
| | - Abigail R. Green
- Department of Chemistry and BiochemistryUniversity of California Santa CruzSanta CruzCaliforniaUSA
| | - James Sorrentino
- Department of Chemistry and BiochemistryUniversity of California Santa CruzSanta CruzCaliforniaUSA
| | - Jennifer Yeung
- Department of PharmacologyUniversity of MichiganAnn ArborMichiganUSA
| | - J. Cody Freedman
- Department of Chemistry and BiochemistryUniversity of California Santa CruzSanta CruzCaliforniaUSA
| | - Theodore R. Holman
- Department of Chemistry and BiochemistryUniversity of California Santa CruzSanta CruzCaliforniaUSA
| | - Michael Holinstat
- Department of PharmacologyUniversity of MichiganAnn ArborMichiganUSA
- Department of Internal Medicine, Division of Cardiovascular MedicineUniversity of MichiganAnn ArborMichiganUSA
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14
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Tran M, Signorelli RL, Yamaguchi A, Chen E, Holinstat M, Iavarone AT, Offenbacher AR, Holman T. Biochemical and hydrogen-deuterium exchange studies of the single nucleotide polymorphism Y649C in human platelet 12-lipoxygenase linked to a bleeding disorder. Arch Biochem Biophys 2023; 733:109472. [PMID: 36442529 PMCID: PMC9888433 DOI: 10.1016/j.abb.2022.109472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 11/19/2022] [Accepted: 11/21/2022] [Indexed: 11/27/2022]
Abstract
Human platelet 12-lipoxygenase (h12-LOX) is responsible for the formation of oxylipin products that play an important role in platelet aggregation. Single nucleotide polymorphisms (SNPs) of h12-LOX have been implicated in several diseases. In this study, we investigate the structural, dynamical, and functional impact of a h12-LOX SNP that generates a tyrosine-to-cysteine mutation at a buried site (Y649C h12-LOX) and was previously ascribed with reduced levels of 12(S)-hydroxyeicosatetraenoic acid (12S-HETE) production in isolated platelets. Herein, in vitro Michaelis-Menten kinetics show reduced catalytic rates for Y649C compared to WT h12-LOX at physiological or lower temperatures. Both proteins exhibited similar melting temperatures, metal content, and oligomerization state. Liposome binding for both proteins was also dependent upon the presence of calcium, temperature, and liposome composition; however, the Y649C variant was found to have lowered binding capacity to liposomes compared to WT at physiological temperatures. Further, hydrogen-deuterium exchange mass spectrometry (HDX-MS) experiments revealed a regional defined enhancement in the peptide mobility caused by the mutation. This increased instability for the mutation stemmed from a change in an interaction with an arched helix that lines the substrate binding site, located ≥15 Å from the mutation site. Finally, differential scanning calorimetry demonstrated a reduced protein (un)folding enthalpy, consistent with the HDX results. Taken together, these results demonstrate remarkable similarity between the mutant and WT h12-LOX, and yet, subtle changes in activity, membrane affinity and protein stability may be responsible for the significant physiological changes that the Y649C SNP manifests in platelet biology.
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Affiliation(s)
- Michelle Tran
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA, 95064, USA
| | | | - Adriana Yamaguchi
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA
| | - Eefie Chen
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA, 95064, USA
| | - Michael Holinstat
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA
| | - Anthony T. Iavarone
- QB3/Chemistry Mass Spectrometry Facility, University of California Berkeley, Berkeley, CA, 94720, USA
| | - Adam R. Offenbacher
- Department of Chemistry, East Carolina University, Greenville, NC, 27858, USA,Corresponding author. (A.R. Offenbacher)
| | - Theodore Holman
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA, 95064, USA,Corresponding author. (T. Holman)
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15
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Duchez AC, Fauteux-Daniel S, Sut C, Ebermeyer T, Heestermans M, Arthaud CA, Eyraud MA, Prier A, Audoux E, Bertrand-Michel J, Payrastre B, Garraud O, Boilard E, Hamzeh-Cognasse H, Cognasse F. Bioactive lipids as biomarkers of adverse reactions associated with apheresis platelet concentrate transfusion. Front Immunol 2023; 14:1031968. [PMID: 37138863 PMCID: PMC10149858 DOI: 10.3389/fimmu.2023.1031968] [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: 08/30/2022] [Accepted: 03/31/2023] [Indexed: 05/05/2023] Open
Abstract
Platelet concentrate (PC) transfusion seeks to provide haemostasis in patients presenting severe central thrombocytopenia or severe bleeding. PCs may induce adverse reactions (AR) that can occasionally be severe (SAR). PCs contain active biomolecules such as cytokines and lipid mediators. The processing and storage of PCs creates so-called structural and biochemical storage lesions that accumulate when blood products reach their shelf life. We sought to investigate lipid mediators as bioactive molecules of interest during storage and review associations with adverse reactions post-transfusion. To facilitate understanding, we focused on single donor apheresis (SDA) PCs with approximately 31.8% of PCs being delivered in our setting. Indeed, pooled PCs are the most widely transfused products, but the study of a single donor lipid mediator is easier to interpret. We are investigating key lipid mediators involved in AR. Adverse reactions were closely monitored in accordance with current national and regional haemovigilance protocols. Residual PCs were analysed post-transfusion in a series of observations, both with and without severe reactions in recipients. A decrease in the lysophosphatidylcholine species to produce the lysophosphatidic acid species has been observed during storage and in the case of AR. Lysophosphatidic acid increased with primarily platelet-inhibitor lipids. Anti-inflammatory platelet-induced inhibition lipids were weakly expressed in cases of severe adverse reactions. We therefore propose that a decrease in lysophosphatidylcholine and an increase in lysophosphatidic acid can prospectively predict serious adverse transfusion reactions.
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Affiliation(s)
- Anne-Claire Duchez
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- SAINBIOSE, INSERM, University of Saint-Etienne, Saint-Étienne, France
- *Correspondence: Anne-Claire Duchez,
| | - Sébastien Fauteux-Daniel
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- SAINBIOSE, INSERM, University of Saint-Etienne, Saint-Étienne, France
| | - Caroline Sut
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
| | - Theo Ebermeyer
- SAINBIOSE, INSERM, University of Saint-Etienne, Saint-Étienne, France
| | - Marco Heestermans
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- SAINBIOSE, INSERM, University of Saint-Etienne, Saint-Étienne, France
| | - Charles-Antoine Arthaud
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- SAINBIOSE, INSERM, University of Saint-Etienne, Saint-Étienne, France
| | - Marie-Ange Eyraud
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- SAINBIOSE, INSERM, University of Saint-Etienne, Saint-Étienne, France
| | - Amélie Prier
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- SAINBIOSE, INSERM, University of Saint-Etienne, Saint-Étienne, France
| | - Estelle Audoux
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- SAINBIOSE, INSERM, University of Saint-Etienne, Saint-Étienne, France
| | - Justine Bertrand-Michel
- MetaboHUB-MetaToul, National Infrastructure of Metabolomics and Fluxomics, Toulouse, France
- I2MC, Université de Toulouse, Inserm, Université Toulouse III – Paul Sabatier (UPS), Toulouse, France
| | - Bernard Payrastre
- I2MC, Université de Toulouse, Inserm, Université Toulouse III – Paul Sabatier (UPS), Toulouse, France
- INSERM UMR, ToNIC: Toulouse NeuroImaging Centre, Toulouse, France
| | - Olivier Garraud
- SAINBIOSE, INSERM, University of Saint-Etienne, Saint-Étienne, France
| | - Eric Boilard
- Department of Infectious Diseases and Immunity, Centre de recherche du CHU de Québec, Québec, QC, Canada
- Université Laval and Centre de recherche ARThrite, Québec, QC, Canada
| | | | - Fabrice Cognasse
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
- SAINBIOSE, INSERM, University of Saint-Etienne, Saint-Étienne, France
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16
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Xu H, Jurado-Fasoli L, Ortiz-Alvarez L, Osuna-Prieto FJ, Kohler I, Di X, Vilchez-Vargas R, Link A, Plaza-Díaz J, Gil A, Rensen PCN, Ruiz JR, Martinez-Tellez B. Plasma Levels of Omega-3 and Omega-6 Derived Oxylipins Are Associated with Fecal Microbiota Composition in Young Adults. Nutrients 2022; 14:nu14234991. [PMID: 36501021 PMCID: PMC9736377 DOI: 10.3390/nu14234991] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/16/2022] [Accepted: 11/21/2022] [Indexed: 11/25/2022] Open
Abstract
Pre-clinical studies suggest that circulating oxylipins, i.e., the oxidation products of polyunsaturated fatty acids (PUFAs), modulate gut microbiota composition in mice, but there is no information available in humans. Therefore, this study aimed to investigate the relationship between omega-3 and omega-6 derived oxylipins plasma levels and fecal microbiota composition in a cohort of young adults. 80 young adults (74% women; 21.9 ± 2.2 years old) were included in this cross-sectional study. Plasma levels of oxylipins were measured using liquid chromatography-tandem mass spectrometry. Fecal microbiota composition was analyzed by V3-V4 16S rRNA gene sequencing. We observed that plasma levels of omega-3 derived oxylipins were positively associated with the relative abundance of Clostridium cluster IV genus (Firmicutes phylum; rho ≥ 0.415, p ≤ 0.009) and negatively associated with the relative abundance of Sutterella genus (Proteobacteria phylum; rho ≥ -0.270, p ≤ 0.041), respectively. Moreover, plasma levels of omega-6 derived oxylipins were negatively associated with the relative abundance of Acidaminococcus and Phascolarctobacterium genera (Firmicutes phylum; all rho ≥ -0.263, p ≤ 0.024), as well as Sutterella, Succinivibrio, and Gemmiger genera (Proteobacteria phylum; all rho ≥ -0.263, p ≤ 0.024). Lastly, the ratio between omega-6 and omega-3 oxylipins plasma levels was negatively associated with the relative abundance of Clostridium cluster IV genus (Firmicutes phylum; rho = -0.334, p = 0.004) and Butyricimonas genus (Bacteroidetes phylum; rho = -0.292, p = 0.014). In conclusion, our results show that the plasma levels of omega-3 and omega-6 derived oxylipins are associated with the relative abundance of specific fecal bacteria genera.
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Affiliation(s)
- Huiwen Xu
- PROFITH (PROmoting FITness and Health through Physical Activity) Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, 18071 Granada, Spain
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, 18071 Granada, Spain
| | - Lucas Jurado-Fasoli
- PROFITH (PROmoting FITness and Health through Physical Activity) Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, 18071 Granada, Spain
- Department of Physiology, Faculty of Medicine, University of Granada, 18071 Granada, Spain
| | - Lourdes Ortiz-Alvarez
- PROFITH (PROmoting FITness and Health through Physical Activity) Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, 18071 Granada, Spain
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, 18071 Granada, Spain
| | - Francisco J. Osuna-Prieto
- PROFITH (PROmoting FITness and Health through Physical Activity) Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, 18071 Granada, Spain
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, 18071 Granada, Spain
| | - Isabelle Kohler
- Division of BioAnalytical Chemistry, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Vrije Universiteit Amsterdam, 1081 Amsterdam, The Netherlands
- Center for Analytical Sciences Amsterdam, 1081 Amsterdam, The Netherlands
| | - Xinyu Di
- Department of Systems Biomedicine and Pharmacology, Leiden Academic Centre for Drug Research (LACDR), Leiden University, 2300 Leiden, The Netherlands
| | - Ramiro Vilchez-Vargas
- Department of Gastroenterology, Hepatology and Infectious Diseases, Otto-von-Guericke-University Magdeburg, 39106 Magdeburg, Germany
| | - Alexander Link
- Department of Gastroenterology, Hepatology and Infectious Diseases, Otto-von-Guericke-University Magdeburg, 39106 Magdeburg, Germany
| | - Julio Plaza-Díaz
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, 18071 Granada, Spain
- Children’s Hospital of Eastern Ontario Research Institute, Ottawa, ON K1H 8L1, Canada
- Instituto de Investigación Biosanitaria, ibs.Granada, 18014 Granada, Spain
| | - Angel Gil
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, 18071 Granada, Spain
- Instituto de Investigación Biosanitaria, ibs.Granada, 18014 Granada, Spain
- CIBEROBN, Biomedical Research Networking Center for Physiopathology of Obesity and Nutrition, Carlos III Health Institute, 28029 Madrid, Spain
- Institute of Nutrition and Food Technology, Center of Biomedical Research, University of Granada, 18071 Granada, Spain
| | - Patrick C. N. Rensen
- Department of Medicine, Division of Endocrinology, and Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, 2300 Leiden, The Netherlands
| | - Jonatan R. Ruiz
- PROFITH (PROmoting FITness and Health through Physical Activity) Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, 18071 Granada, Spain
- Instituto de Investigación Biosanitaria, ibs.Granada, 18014 Granada, Spain
- Correspondence: (J.R.R.); (B.M.-T.)
| | - Borja Martinez-Tellez
- PROFITH (PROmoting FITness and Health through Physical Activity) Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, 18071 Granada, Spain
- Department of Medicine, Division of Endocrinology, and Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, 2300 Leiden, The Netherlands
- Department of Education, Faculty of Education Sciences and SPORT Research Group (CTS-1024), CERNEP Research Center, University of Almería, 04120 Almería, Spain
- Correspondence: (J.R.R.); (B.M.-T.)
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17
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Tremblay MÈ, Almsherqi ZA, Deng Y. Plasmalogens and platelet-activating factor roles in chronic inflammatory diseases. Biofactors 2022; 48:1203-1216. [PMID: 36370412 DOI: 10.1002/biof.1916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 10/10/2022] [Indexed: 11/13/2022]
Abstract
Fatty acids and phospholipid molecules are essential for determining the structure and function of cell membranes, and they hence participate in many biological processes. Platelet activating factor (PAF) and its precursor plasmalogen, which represent two subclasses of ether phospholipids, have attracted increasing research attention recently due to their association with multiple chronic inflammatory, neurodegenerative, and metabolic disorders. These pathophysiological conditions commonly involve inflammatory processes linked to an excess presence of PAF and/or decreased levels of plasmalogens. However, the molecular mechanisms underlying the roles of plasmalogens in inflammation have remained largely elusive. While anti-inflammatory responses most likely involve the plasmalogen signal pathway; pro-inflammatory responses recruit arachidonic acid, a precursor of pro-inflammatory lipid mediators which is released from membrane phospholipids, notably derived from the hydrolysis of plasmalogens. Plasmalogens per se are vital membrane phospholipids in humans. Changes in their homeostatic levels may alter cell membrane properties, thus affecting key signaling pathways that mediate inflammatory cascades and immune responses. The plasmalogen analogs of PAF are also potentially important, considering that anti-PAF activity has strong anti-inflammatory effects. Plasmalogen replacement therapy was further identified as a promising anti-inflammatory strategy allowing for the relief of pathological hallmarks in patients affected by chronic diseases with an inflammatory component. The aim of this Short Review is to highlight the emerging roles and implications of plasmalogens in chronic inflammatory disorders, along with the promising outcomes of plasmalogen replacement therapy for the treatment of various PAF-related chronic inflammatory pathologies.
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Affiliation(s)
- Marie-Ève Tremblay
- Division of Medical Sciences, University of Victoria, Victoria, British Columbia, Canada
- Axe Neurosciences, Centre de recherche du CHU de Québec-Université Laval, Québec City, Canada
- Department of Molecular Medicine, Université de Laval, Québec City, Canada
- Neurology and Neurosurgery Department, McGill University, Montréal, Canada
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia, Canada
- Centre for Advanced Materials and Related Technology (CAMTEC), University of Victoria, Victoria, British Columbia, Canada
| | - Zakaria A Almsherqi
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Yuru Deng
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, China
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18
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Dalle C, Tournayre J, Mainka M, Basiak-Rasała A, Pétéra M, Lefèvre-Arbogast S, Dalloux-Chioccioli J, Deschasaux-Tanguy M, Lécuyer L, Kesse-Guyot E, Fezeu LK, Hercberg S, Galan P, Samieri C, Zatońska K, Calder PC, Fiil Hjorth M, Astrup A, Mazur A, Bertrand-Michel J, Schebb NH, Szuba A, Touvier M, Newman JW, Gladine C. The Plasma Oxylipin Signature Provides a Deep Phenotyping of Metabolic Syndrome Complementary to the Clinical Criteria. Int J Mol Sci 2022; 23:ijms231911688. [PMID: 36232991 PMCID: PMC9570185 DOI: 10.3390/ijms231911688] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/23/2022] [Accepted: 09/24/2022] [Indexed: 11/06/2022] Open
Abstract
Metabolic syndrome (MetS) is a complex condition encompassing a constellation of cardiometabolic abnormalities. Oxylipins are a superfamily of lipid mediators regulating many cardiometabolic functions. Plasma oxylipin signature could provide a new clinical tool to enhance the phenotyping of MetS pathophysiology. A high-throughput validated mass spectrometry method, allowing for the quantitative profiling of over 130 oxylipins, was applied to identify and validate the oxylipin signature of MetS in two independent nested case/control studies involving 476 participants. We identified an oxylipin signature of MetS (coined OxyScore), including 23 oxylipins and having high performances in classification and replicability (cross-validated AUCROC of 89%, 95% CI: 85–93% and 78%, 95% CI: 72–85% in the Discovery and Replication studies, respectively). Correlation analysis and comparison with a classification model incorporating the MetS criteria showed that the oxylipin signature brings consistent and complementary information to the clinical criteria. Being linked with the regulation of various biological processes, the candidate oxylipins provide an integrative phenotyping of MetS regarding the activation and/or negative feedback regulation of crucial molecular pathways. This may help identify patients at higher risk of cardiometabolic diseases. The oxylipin signature of patients with metabolic syndrome enhances MetS phenotyping and may ultimately help to better stratify the risk of cardiometabolic diseases.
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Affiliation(s)
- Céline Dalle
- UNH, INRAE, Université Clermont Auvergne, 63000 Clermont-Ferrand, France
| | - Jérémy Tournayre
- UNH, INRAE, Université Clermont Auvergne, 63000 Clermont-Ferrand, France
| | - Malwina Mainka
- Faculty of Mathematics and Natural Sciences, University of Wuppertal, 42119 Wuppertal, Germany
| | - Alicja Basiak-Rasała
- Department of Social Medicine, Wroclaw Medical University, 50-367 Wroclaw, Poland
| | - Mélanie Pétéra
- Plateforme d’Exploration du Métabolisme, MetaboHUB Clermont, UNH, INRAE, Université Clermont Auvergne, 63000 Clermont-Ferrand, France
| | - Sophie Lefèvre-Arbogast
- Bordeaux Population Health Research Center, Université de Bordeaux, INSERMUMR 1219, 33076 Bordeaux, France
| | - Jessica Dalloux-Chioccioli
- MetaToul, MetaboHUB, Inserm/UPS UMR 1048-I2MC, Institut des Maladies Métaboliques et Cardiovasculaires, 31400 Toulouse, France
| | - Mélanie Deschasaux-Tanguy
- Nutritional Epidemiology Research Team (EREN), Sorbonne Paris Nord University, INSERM U1153, INRAE U1125, Cnam, Epidemiology and Statistics Research Center, University Paris Cité (CRESS), 93017 Bobigny, France
| | - Lucie Lécuyer
- Nutritional Epidemiology Research Team (EREN), Sorbonne Paris Nord University, INSERM U1153, INRAE U1125, Cnam, Epidemiology and Statistics Research Center, University Paris Cité (CRESS), 93017 Bobigny, France
| | - Emmanuelle Kesse-Guyot
- Nutritional Epidemiology Research Team (EREN), Sorbonne Paris Nord University, INSERM U1153, INRAE U1125, Cnam, Epidemiology and Statistics Research Center, University Paris Cité (CRESS), 93017 Bobigny, France
| | - Léopold K. Fezeu
- Nutritional Epidemiology Research Team (EREN), Sorbonne Paris Nord University, INSERM U1153, INRAE U1125, Cnam, Epidemiology and Statistics Research Center, University Paris Cité (CRESS), 93017 Bobigny, France
| | - Serge Hercberg
- Nutritional Epidemiology Research Team (EREN), Sorbonne Paris Nord University, INSERM U1153, INRAE U1125, Cnam, Epidemiology and Statistics Research Center, University Paris Cité (CRESS), 93017 Bobigny, France
| | - Pilar Galan
- Nutritional Epidemiology Research Team (EREN), Sorbonne Paris Nord University, INSERM U1153, INRAE U1125, Cnam, Epidemiology and Statistics Research Center, University Paris Cité (CRESS), 93017 Bobigny, France
| | - Cécilia Samieri
- Bordeaux Population Health Research Center, Université de Bordeaux, INSERMUMR 1219, 33076 Bordeaux, France
| | - Katarzyna Zatońska
- Department of Social Medicine, Wroclaw Medical University, 50-367 Wroclaw, Poland
| | - Philip C. Calder
- Faculty of Medicine, School of Human Development and Health, University of Southampton, Southampton SO16 6YD, UK
- NIHR Southampton Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust and University of Southampton, Southampton SO16 6YD, UK
| | - Mads Fiil Hjorth
- Obesity and Nutritional Sciences, Novo Nordisk Foundation, 2900 Hellerup, Denmark
| | - Arne Astrup
- Obesity and Nutritional Sciences, Novo Nordisk Foundation, 2900 Hellerup, Denmark
| | - André Mazur
- UNH, INRAE, Université Clermont Auvergne, 63000 Clermont-Ferrand, France
| | - Justine Bertrand-Michel
- MetaToul, MetaboHUB, Inserm/UPS UMR 1048-I2MC, Institut des Maladies Métaboliques et Cardiovasculaires, 31400 Toulouse, France
| | - Nils Helge Schebb
- Faculty of Mathematics and Natural Sciences, University of Wuppertal, 42119 Wuppertal, Germany
| | - Andrzej Szuba
- Department of Angiology, Hypertension and Diabetology, Wroclaw Medical University, 50-556 Wroclaw, Poland
| | - Mathilde Touvier
- Nutritional Epidemiology Research Team (EREN), Sorbonne Paris Nord University, INSERM U1153, INRAE U1125, Cnam, Epidemiology and Statistics Research Center, University Paris Cité (CRESS), 93017 Bobigny, France
| | - John W. Newman
- Obesity and Metabolism Research Unit, United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA 95616, USA
- University of California Davis Genome Center, University of California, Davis, CA 95616, USA
- Department of Nutrition, University of California, Davis, CA 95616, USA
| | - Cécile Gladine
- UNH, INRAE, Université Clermont Auvergne, 63000 Clermont-Ferrand, France
- Correspondence: ; Tel.: +33-473-624-230
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19
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Yamaguchi A, Stanger L, Freedman JC, Prieur A, Thav R, Tena J, Holman TR, Holinstat M. Supplementation with omega-3 or omega-6 fatty acids attenuates platelet reactivity in postmenopausal women. Clin Transl Sci 2022; 15:2378-2391. [PMID: 35791734 PMCID: PMC9579391 DOI: 10.1111/cts.13366] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 06/18/2022] [Accepted: 06/26/2022] [Indexed: 01/25/2023] Open
Abstract
Postmenopausal women are at increased risk for a cardiovascular event due to platelet hyperactivity. There is evidence suggesting that ω-3 polyunsaturated fatty acids (PUFAs) and ω-6 PUFAs have cardioprotective effects in these women. However, a mechanistic understanding of how these fatty acids regulate platelet function is unknown. In this study, we supplemented postmenopausal women with fish oil (ω-3 fatty acids) or evening primrose oil (ω-6 fatty acids) and investigated the effects on their platelet activity. The effects of fatty acid supplementation on platelet aggregation, dense granule secretion, and activation of integrin αIIbβ3 at basal levels and in response to agonist were tested in postmenopausal women following a supplementation and washout period. Supplementation with fish oil or primrose oil attenuated the thrombin receptor PAR4-induced platelet aggregation. Supplementation with ω-3 or ω-6 fatty acids decreased platelet dense granule secretion and attenuated basal levels of integrin αIIbβ3 activation. Interestingly, after the washout period following supplementation with primrose oil, platelet aggregation was similarly attenuated. Additionally, for either treatment, the observed protective effects post-supplementation on platelet dense granule secretion and basal levels of integrin activation were sustained after the washout period, suggesting a long-term shift in platelet reactivity due to fatty acid supplementation. These findings begin to elucidate the underlying mechanistic effects of ω-3 and ω-6 fatty acids on platelet reactivity in postmenopausal women. Hence, this study supports the beneficial effects of fish oil or primrose oil supplementation as a therapeutic intervention to reduce the risk of thrombotic events in postmenopausal women. https://clinicaltrials.gov/ct2/show/NCT02629497.
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Affiliation(s)
- Adriana Yamaguchi
- Department of PharmacologyUniversity of Michigan Medical SchoolAnn ArborMichiganUSA
| | - Livia Stanger
- Department of PharmacologyUniversity of Michigan Medical SchoolAnn ArborMichiganUSA
| | - John Cody Freedman
- Department of Chemistry and BiochemistryUniversity of California Santa CruzSanta CruzCaliforniaUSA
| | - Amanda Prieur
- Department of PharmacologyUniversity of Michigan Medical SchoolAnn ArborMichiganUSA
| | - Rachel Thav
- Department of PharmacologyUniversity of Michigan Medical SchoolAnn ArborMichiganUSA,Cranbrook SchoolsBloomfield HillsMichiganUSA
| | - Jennyfer Tena
- Department of Chemistry and BiochemistryUniversity of California Santa CruzSanta CruzCaliforniaUSA
| | - Theodore R. Holman
- Department of Chemistry and BiochemistryUniversity of California Santa CruzSanta CruzCaliforniaUSA
| | - Michael Holinstat
- Department of PharmacologyUniversity of Michigan Medical SchoolAnn ArborMichiganUSA,Department of Internal Medicine, Division of Cardiovascular MedicineUniversity of Michigan Medical SchoolAnn ArborMichiganUSA
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20
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Yamaguchi A, Botta E, Holinstat M. Eicosanoids in inflammation in the blood and the vessel. Front Pharmacol 2022; 13:997403. [PMID: 36238558 PMCID: PMC9551235 DOI: 10.3389/fphar.2022.997403] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 09/05/2022] [Indexed: 01/14/2023] Open
Abstract
Polyunsaturated fatty acids (PUFAs) are structural components of membrane phospholipids in cells. PUFAs regulate cellular function through the formation of derived lipid mediators termed eicosanoids. The oxygenation of 20-carbon PUFAs via the oxygenases cyclooxygenases, lipoxygenases, or cytochrome P450, generates a class of classical eicosanoids including prostaglandins, thromboxanes and leukotrienes, and also the more recently identified hydroxy-, hydroperoxy-, epoxy- and oxo-eicosanoids, and the specialized pro-resolving (lipid) mediators. These eicosanoids play a critical role in the regulation of inflammation in the blood and the vessel. While arachidonic acid-derived eicosanoids are extensively studied due to their pro-inflammatory effects and therefore involvement in the pathogenesis of inflammatory diseases such as atherosclerosis, diabetes mellitus, hypertension, and the coronavirus disease 2019; in recent years, several eicosanoids have been reported to attenuate exacerbated inflammatory responses and participate in the resolution of inflammation. This review focused on elucidating the biosynthesis and the mechanistic signaling of eicosanoids in inflammation, as well as the pro-inflammatory and anti-inflammatory effects of these eicosanoids in the blood and the vascular wall.
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Affiliation(s)
- Adriana Yamaguchi
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Eliana Botta
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Michael Holinstat
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI, United States,Department of Internal Medicine, Division of Cardiovascular Medicine, University of Michigan Medical School, Ann Arbor, MI, United States,*Correspondence: Michael Holinstat,
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21
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Johnson CM, Rosario R, Brito A, Agrawal K, Fanter R, Lietz G, Haskell M, Engle-Stone R, Newman JW, La Frano MR. Multi-assay nutritional metabolomics profiling of low vitamin A status versus adequacy is characterized by reduced plasma lipid mediators among lactating women in the Philippines: A pilot study. Nutr Res 2022; 104:118-127. [DOI: 10.1016/j.nutres.2022.05.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 05/16/2022] [Accepted: 05/20/2022] [Indexed: 01/08/2023]
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22
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Multi-Omics Approach Points to the Importance of Oxylipins Metabolism in Early-Stage Breast Cancer. Cancers (Basel) 2022; 14:cancers14082041. [PMID: 35454947 PMCID: PMC9032865 DOI: 10.3390/cancers14082041] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/10/2022] [Accepted: 04/14/2022] [Indexed: 02/05/2023] Open
Abstract
The involvement of oxylipins, metabolites of polyunsaturated fatty acids, in cancer pathogenesis was known long ago, but only the development of the high-throughput methods get the opportunity to study oxylipins on a system level. The study aimed to elucidate alterations in oxylipin metabolism as characteristics of breast cancer patients. We compared the ultra-high-performance liquid chromatography-mass spectrometry (UPLC-MS/MS) oxylipin profile signatures in the blood plasma of 152 healthy volunteers (HC) and 169 patients with different stages of breast cancer (BC). To integrate lipidomics, transcriptomics, and genomics data, we analyzed a transcriptome of 10 open database datasets obtained from tissues and blood cells of BC patients and SNP data for 33 genes related to oxylipin metabolism. We identified 18 oxylipins, metabolites of omega-3 or omega-6 polyunsaturated fatty acids, that were differentially expressed between BCvsHC patients, including anandamide, prostaglandins and hydroxydocosahexaenoic acids. DEGs analysis of tissue and blood samples from BC patients revealed that 19 genes for oxylipin biosynthesis change their expression level, with CYP2C19, PTGS2, HPGD, and FAAH included in the list of DEGs in the analysis of transcriptomes and the list of SNPs associated with BC. Results allow us to suppose that oxylipin signatures reflect the organism's level of response to the disease. Our data regarding changes in oxylipins at the system level show that oxylipin profiles can be used to evaluate the early stages of breast cancer.
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23
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Vadaq N, Schirmer M, Tunjungputri RN, Vlamakis H, Chiriac C, Ardiansyah E, Gasem MH, Joosten LAB, de Groot PG, Xavier RJ, Netea MG, van der Ven AJ, de Mast Q. Untargeted Plasma Metabolomics and Gut Microbiome Profiling Provide Novel Insights into the Regulation of Platelet Reactivity in Healthy Individuals. Thromb Haemost 2022; 122:529-539. [PMID: 34192775 DOI: 10.1055/a-1541-3706] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
BACKGROUND Considerable variation exists in platelet reactivity to stimulation among healthy individuals. Various metabolites and metabolic pathways influence platelet reactivity, but a comprehensive overview of these associations is missing. The gut microbiome has a strong influence on the plasma metabolome. Here, we investigated the association of platelet reactivity with results of untargeted plasma metabolomics and gut microbiome profiling. METHODS We used data from a cohort of 534 healthy adult Dutch volunteers (the 500 Functional Genomics study). Platelet activation and reactivity were measured by the expression of the alpha-granule protein P-selectin and the binding of fibrinogen to the activated integrin αIIbβ3, both in unstimulated blood and after ex vivo stimulation with platelet agonists. Plasma metabolome was measured using an untargeted metabolic profiling approach by quadrupole time-of-flight mass spectrometry. Gut microbiome data were measured by shotgun metagenomic sequencing from stool samples. RESULTS Untargeted metabolomics yielded 1,979 metabolites, of which 422 were identified to play a role in a human metabolic pathway. Overall, 92/422 (21.8%) metabolites were significantly associated with at least one readout of platelet reactivity. The majority of associations involved lipids, especially members of eicosanoids, including prostaglandins and leukotrienes. Dietary-derived polyphenols were also found to inhibit platelet reactivity. Validation of metabolic pathways with functional microbial profiles revealed two overlapping metabolic pathways ("alanine, aspartate, and glutamate metabolism" and "arginine biosynthesis") that were associated with platelet reactivity. CONCLUSION This comprehensive overview is an resource for understanding the regulation of platelet reactivity by the plasma metabolome and the possible contribution of the gut microbiota.
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Affiliation(s)
- Nadira Vadaq
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.,Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands.,Center for Tropical and Infectious Diseases, Faculty of Medicine, Diponegoro University-Dr. Kariadi Hospital, Semarang, Indonesia
| | - Melanie Schirmer
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, United States
| | - Rahajeng N Tunjungputri
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.,Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands.,Center for Tropical and Infectious Diseases, Faculty of Medicine, Diponegoro University-Dr. Kariadi Hospital, Semarang, Indonesia
| | - Hera Vlamakis
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, United States.,Center for Microbiome Informatics and Therapeutics, MIT, Cambridge, Massachusetts, United States
| | - Cecilia Chiriac
- National Institute of Research and Development for Biological Sciences, Institute of Biological Research, Cluj-Napoca, Romania.,Department of Aquatic Microbial Ecology, Institute of Hydrobiology, Biology Centre of the Academy of Sciences of the Czech Republic, České Budějovice, Czech Republic
| | - Edwin Ardiansyah
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.,Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands
| | - M Hussein Gasem
- Center for Tropical and Infectious Diseases, Faculty of Medicine, Diponegoro University-Dr. Kariadi Hospital, Semarang, Indonesia.,Department of Internal Medicine, Faculty of Medicine Diponegoro University-Dr. Kariadi Hospital, Semarang, Indonesia
| | - Leo A B Joosten
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.,Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Philip G de Groot
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.,Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Ramnik J Xavier
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, United States.,Center for Microbiome Informatics and Therapeutics, MIT, Cambridge, Massachusetts, United States
| | - Mihai G Netea
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.,Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands.,Department for Genomics and Immunoregulation, Life and Medical Sciences Institute, University of Bonn, Bonn, Germany
| | - Andre J van der Ven
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.,Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Quirijn de Mast
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.,Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands
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Reitsma SE, Lakshmanan HHS, Johnson J, Pang J, Parra-Izquierdo I, Melrose AR, Choi J, Anderson DEJ, Hinds MT, Stevens JF, Aslan JE, McCarty OJT, Lo JO. Chronic edible dosing of Δ9-tetrahydrocannabinol (THC) in nonhuman primates reduces systemic platelet activity and function. Am J Physiol Cell Physiol 2022; 322:C370-C381. [PMID: 35080922 PMCID: PMC8858671 DOI: 10.1152/ajpcell.00373.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Cannabis usage has steadily increased as acceptance is growing for both medical and recreational reasons. Medical cannabis is administered for treatment of chronic pain based on the premise that the endocannabinoid system signals desensitize pain sensor neurons and produce anti-inflammatory effects. The major psychoactive ingredient of cannabis is Δ9-tetrahydrocannabinol (THC) that signals mainly through cannabinoid receptor-1 (CBr), which is also present on nonneuron cells including blood platelets of the circulatory system. In vitro, CBr-mediated signaling has been shown to acutely inhibit platelet activation downstream of the platelet collagen receptor glycoprotein (GP)VI. The systemic effects of chronic THC administration on platelet activity and function remain unclear. This study investigates the effects of chronic THC administration on platelet function using a nonhuman primate (NHP) model. Our results show that female and male NHPs consuming a daily THC edible had reduced platelet adhesion, aggregation, and granule secretion in response to select platelet agonists. Furthermore, a change in bioactive lipids (oxylipins) was observed in the female cohort after THC administration. These results indicate that chronic THC edible administration desensitized platelet activity and function in response to GPVI- and G-protein coupled receptor-based activation by interfering with primary and secondary feedback signaling pathways. These observations may have important clinical implications for patients who use medical marijuana and for providers caring for these patients.
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Affiliation(s)
- Stéphanie E. Reitsma
- 1Biomedical Engineering, School of Medicine, Oregon Health & Science University, Portland, Oregon
| | | | - Jennifer Johnson
- 1Biomedical Engineering, School of Medicine, Oregon Health & Science University, Portland, Oregon
| | - Jiaqing Pang
- 1Biomedical Engineering, School of Medicine, Oregon Health & Science University, Portland, Oregon
| | - Iván Parra-Izquierdo
- 1Biomedical Engineering, School of Medicine, Oregon Health & Science University, Portland, Oregon,2Knight Cardiovascular Institute, Oregon Health & Science University, Portland, Oregon
| | - Alex R. Melrose
- 1Biomedical Engineering, School of Medicine, Oregon Health & Science University, Portland, Oregon,2Knight Cardiovascular Institute, Oregon Health & Science University, Portland, Oregon
| | - Jaewoo Choi
- 3Linus Pauling Institute, Oregon State University, Corvallis, Oregon
| | - Deirdre E. J. Anderson
- 1Biomedical Engineering, School of Medicine, Oregon Health & Science University, Portland, Oregon
| | - Monica T. Hinds
- 1Biomedical Engineering, School of Medicine, Oregon Health & Science University, Portland, Oregon
| | - Jan Frederik Stevens
- 3Linus Pauling Institute, Oregon State University, Corvallis, Oregon,4College of Pharmacy, Oregon State university, Corvallis, Oregon
| | - Joseph E. Aslan
- 1Biomedical Engineering, School of Medicine, Oregon Health & Science University, Portland, Oregon,2Knight Cardiovascular Institute, Oregon Health & Science University, Portland, Oregon
| | - Owen J. T. McCarty
- 1Biomedical Engineering, School of Medicine, Oregon Health & Science University, Portland, Oregon
| | - Jamie O. Lo
- 5Department of Obstetrics and Gynecology, Oregon Health & Science University, Portland, Oregon
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25
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Fisk HL, Childs CE, Miles EA, Ayres R, Noakes PS, Paras-Chavez C, Kuda O, Kopecký J, Antoun E, Lillycrop KA, Calder PC. Modification of subcutaneous white adipose tissue inflammation by omega-3 fatty acids is limited in human obesity-a double blind, randomised clinical trial. EBioMedicine 2022; 77:103909. [PMID: 35247847 PMCID: PMC8894262 DOI: 10.1016/j.ebiom.2022.103909] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 02/01/2022] [Accepted: 02/16/2022] [Indexed: 12/17/2022] Open
Abstract
Background Obesity is associated with enhanced inflammation. However, investigation in human subcutaneous white adipose tissue (scWAT) is limited and the mechanisms by which inflammation occurs have not been well elucidated. Marine long chain omega-3 polyunsaturated fatty acids (LC n-3 PUFAs) have anti-inflammatory actions and may reduce scWAT inflammation. Methods Subcutaneous white adipose tissue (scWAT) biopsies were collected from individuals living with obesity (n=45) and normal weight individuals (n=39) prior to and following a 12-week intervention with either 3 g/day of a fish oil concentrate (providing 1.1 g eicosapentaenoic acid (EPA) + 0.8 g docosahexaenoic acid (DHA)) or 3 g/day of corn oil. ScWAT fatty acid, oxylipin, and transcriptome profiles were assessed by gas chromatography, ultra-pure liquid chromatography tandem mass spectrometry, RNA sequencing and qRT-PCR, respectively. Findings Obesity was associated with greater scWAT inflammation demonstrated by lower concentrations of specialised pro-resolving mediators (SPMs) and hydroxy-DHA metabolites and an altered transcriptome with differential expression of genes involved in LC n-3 PUFA activation, oxylipin synthesis, inflammation, and immune response. Intervention with LC n-3 PUFAs increased their respective metabolites including the SPM precursor 14-hydroxy-DHA in normal weight individuals and decreased arachidonic acid derived metabolites and expression of genes involved in immune and inflammatory response with a greater effect in normal weight individuals. Interpretation Downregulated expression of genes responsible for fatty acid activation and metabolism may contribute to an inflammatory oxylipin profile and limit the effects of LC n-3 PUFAs in obesity. There may be a need for personalised LC n-3 PUFA supplementation based on obesity status. Funding European Commission Seventh Framework Programme (Grant Number 244995) and Czech Academy of Sciences (Lumina quaeruntur LQ200111901).
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Affiliation(s)
- Helena L Fisk
- School of Human Development and Health, Faculty of Medicine, Southampton General Hospital, University of Southampton, IDS Building, MP887, Tremona Road, Southampton SO16 6YD, United Kingdom.
| | - Caroline E Childs
- School of Human Development and Health, Faculty of Medicine, Southampton General Hospital, University of Southampton, IDS Building, MP887, Tremona Road, Southampton SO16 6YD, United Kingdom
| | - Elizabeth A Miles
- School of Human Development and Health, Faculty of Medicine, Southampton General Hospital, University of Southampton, IDS Building, MP887, Tremona Road, Southampton SO16 6YD, United Kingdom
| | - Robert Ayres
- School of Human Development and Health, Faculty of Medicine, Southampton General Hospital, University of Southampton, IDS Building, MP887, Tremona Road, Southampton SO16 6YD, United Kingdom
| | - Paul S Noakes
- School of Human Development and Health, Faculty of Medicine, Southampton General Hospital, University of Southampton, IDS Building, MP887, Tremona Road, Southampton SO16 6YD, United Kingdom; Medical School, University of Notre Dame Australia, Fremantle, Australia
| | - Carolina Paras-Chavez
- School of Human Development and Health, Faculty of Medicine, Southampton General Hospital, University of Southampton, IDS Building, MP887, Tremona Road, Southampton SO16 6YD, United Kingdom
| | - Ondrej Kuda
- Institute of Physiology, Czech Academy of Sciences, Prague, Czech Republic
| | - Jan Kopecký
- Institute of Physiology, Czech Academy of Sciences, Prague, Czech Republic
| | - Elie Antoun
- School of Human Development and Health, Faculty of Medicine, Southampton General Hospital, University of Southampton, IDS Building, MP887, Tremona Road, Southampton SO16 6YD, United Kingdom
| | - Karen A Lillycrop
- School of Human Development and Health, Faculty of Medicine, Southampton General Hospital, University of Southampton, IDS Building, MP887, Tremona Road, Southampton SO16 6YD, United Kingdom; School of Biological Sciences, Faculty of Environmental and Life Sciences, University of Southampton, Southampton, United Kingdom
| | - Philip C Calder
- School of Human Development and Health, Faculty of Medicine, Southampton General Hospital, University of Southampton, IDS Building, MP887, Tremona Road, Southampton SO16 6YD, United Kingdom; NIHR Southampton Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust and University of Southampton, Southampton, United Kingdom
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26
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Sabatino V, Orefice I, Marotta P, Ambrosino L, Chiusano ML, d'Ippolito G, Romano G, Fontana A, Ferrante MI. Silencing of a Pseudo-nitzschia arenysensis lipoxygenase transcript leads to reduced oxylipin production and impaired growth. THE NEW PHYTOLOGIST 2022; 233:809-822. [PMID: 34533849 DOI: 10.1111/nph.17739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 09/04/2021] [Indexed: 06/13/2023]
Abstract
Because of their importance as chemical mediators, the presence of a rich and varied family of lipoxygenase (LOX) products, collectively named oxylipins, has been investigated thoroughly in diatoms, and the involvement of these products in important processes such as bloom regulation has been postulated. Nevertheless, little information is available on the enzymes and pathways operating in these protists. Exploiting transcriptome data, we identified and characterized a LOX gene, PaLOX, in Pseudo-nitzschia arenysensis, a marine diatom known to produce different species of oxylipins by stereo- and regio-selective oxidation of eicosapentaenoic acid (EPA) at C12 and C15. PaLOX RNA interference correlated with a decrease of the lipid-peroxidizing activity and oxylipin synthesis, as well as with a reduction of growth of P. arenysensis. In addition, sequence analysis and structure models of the C-terminal part of the predicted protein closely fitted with the data for established LOXs from other organisms. The presence in the genome of a single LOX gene, whose downregulation impairs both 12- and 15-oxylipins synthesis, together with the in silico 3D protein modelling suggest that PaLOX encodes for a 12/15S-LOX with a dual specificity, and provides additional support to the correlation between cell growth and oxylipin biosynthesis in diatoms.
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Affiliation(s)
- Valeria Sabatino
- Stazione Zoologica Anton Dohrn, Villa Comunale 1, Naples, 80121, Italy
| | - Ida Orefice
- Stazione Zoologica Anton Dohrn, Villa Comunale 1, Naples, 80121, Italy
| | - Pina Marotta
- Stazione Zoologica Anton Dohrn, Villa Comunale 1, Naples, 80121, Italy
| | - Luca Ambrosino
- Stazione Zoologica Anton Dohrn, Villa Comunale 1, Naples, 80121, Italy
| | - Maria Luisa Chiusano
- Stazione Zoologica Anton Dohrn, Villa Comunale 1, Naples, 80121, Italy
- Department of Agriculture, Università degli Studi di Napoli Federico II, Portici, 80055, Italy
| | - Giuliana d'Ippolito
- Istituto di Chimica Biomolecolare, Consiglio Nazionale delle Ricerche, Via Campi Flegrei 34, Pozzuoli - Naples, I-80078, Italy
| | - Giovanna Romano
- Stazione Zoologica Anton Dohrn, Villa Comunale 1, Naples, 80121, Italy
| | - Angelo Fontana
- Istituto di Chimica Biomolecolare, Consiglio Nazionale delle Ricerche, Via Campi Flegrei 34, Pozzuoli - Naples, I-80078, Italy
- Laboratory of Bio-Organic Chemistry and Chemical Biology, Dipartimento di Biologia, Università di Napoli "Federico II", Via Cupa Nuova Cinthia 21, Napoli, 80126, Italy
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27
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Turnbull RE, Sander KN, Turnbull J, Barrett DA, Goodall AH. Profiling oxylipins released from human platelets activated through the GPVI collagen receptor. Prostaglandins Other Lipid Mediat 2021; 158:106607. [PMID: 34942378 DOI: 10.1016/j.prostaglandins.2021.106607] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 12/14/2021] [Accepted: 12/17/2021] [Indexed: 12/12/2022]
Abstract
In addition to haemostasis, platelets are involved in pathological processes, often driven by material released upon activation. Interaction between collagen and glycoprotein VI (GPVI) is a primary platelet stimulus that liberates arachidonic acid and linoleic acid from membrane phospholipids. These are oxidised by cyclooxygenase-1 (COX-1) and 12-lipoxygenase (12-LOX) to eicosanoids and other oxylipins with various biological properties. Using liquid chromatography-tandem mass spectrometry we found that GPVI-stimulated platelets released significant levels of ten oxylipins; the well documented TxA2 and 12-HETE, PGD2 and PGE2, as well as 8-, 9-, 11-, and 15-HETE, 9- and 13-HODE.1 Levels of oxylipins released from washed platelets mirrored those from platelets stimulated in the presence of plasma, indicating generation from intracellular, rather than exogenous AA/LA. Inhibition of COX-1 with aspirin, as expected, completely abolished production of TxA2 and PGD/E2, but also significantly inhibited the release of 11-HETE (89 ± 3%) and 9-HODE (74 ± 6%), and reduced 15-HETE and 13-HODE by ∼33 %. Inhibition of 12-LOX by either esculetin or ML355 inhibited the release of all oxylipins apart from 15-HETE. These findings suggest routes to modify the production of bioactive molecules released by activated platelets.
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Affiliation(s)
- Robert E Turnbull
- Department of Cardiovascular Sciences, University of Leicester and NIHR Cardiovascular Biomedical Research Unit, Glenfield Hospital, Leicester, UK
| | - Katrin N Sander
- Centre for Analytical Bioscience, Advanced Materials and Healthcare Division, School of Pharmacy, University of Nottingham, Nottingham, UK
| | - James Turnbull
- Centre for Analytical Bioscience, Advanced Materials and Healthcare Division, School of Pharmacy, University of Nottingham, Nottingham, UK
| | - David A Barrett
- Centre for Analytical Bioscience, Advanced Materials and Healthcare Division, School of Pharmacy, University of Nottingham, Nottingham, UK
| | - Alison H Goodall
- Department of Cardiovascular Sciences, University of Leicester and NIHR Cardiovascular Biomedical Research Unit, Glenfield Hospital, Leicester, UK.
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28
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Effects of Nutrients on Platelet Function: A Modifiable Link between Metabolic Syndrome and Neurodegeneration? Biomolecules 2021; 11:biom11101455. [PMID: 34680088 PMCID: PMC8533544 DOI: 10.3390/biom11101455] [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: 06/29/2021] [Revised: 09/27/2021] [Accepted: 09/30/2021] [Indexed: 11/17/2022] Open
Abstract
Metabolic syndrome increases the risk of vascular dementia and other neurodegenerative disorders. Recent studies underline that platelets play an important role in linking peripheral with central metabolic and inflammatory mechanisms. In this narrative review, we address the activation of platelets in metabolic syndrome, their effects on neuronal processes and the role of the mediators (e.g., serotonin, platelet-derived growth factor). Emerging evidence shows that nutritional compounds and their metabolites modulate these interactions-specifically, long chain fatty acids, endocannabinoids and phenolic compounds. We reviewed the role of activated platelets in neurovascular processes and nutritional compounds in platelet activation.
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29
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Moehle J, Fuller L, Hardin A. Fish Oil and BCQ™ as a Novel Treatment Approach to Primary Erythromelalgia: A Case Study. Integr Med (Encinitas) 2021; 20:40-45. [PMID: 34602876 PMCID: PMC8483253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
Erythromelalgia (EM) is a rare disorder, of which the pathophysiology is poorly understood. Though primary EM is thought to be an autosomal-dominant inherited disorder or of idiopathic origin, secondary EM is associated, most often, with myeloproliferative diseases. Pain management is the primary therapeutic target, however, individual patient responses vary widely, and no single treatment has been determined to be effective. As such, EM is often associated with reduced quality of life and higher morbidity and mortality. This case study examines an 81-year-old Caucasian female patient with a diagnosis of primary EM, for which previous pharmaceutical therapies had proven ineffective. Therapeutic intervention included a novel, daily supplement regimen of fish oil and BCQ™.
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30
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Liput KP, Lepczyński A, Ogłuszka M, Nawrocka A, Poławska E, Grzesiak A, Ślaska B, Pareek CS, Czarnik U, Pierzchała M. Effects of Dietary n-3 and n-6 Polyunsaturated Fatty Acids in Inflammation and Cancerogenesis. Int J Mol Sci 2021; 22:6965. [PMID: 34203461 PMCID: PMC8268933 DOI: 10.3390/ijms22136965] [Citation(s) in RCA: 79] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 06/24/2021] [Accepted: 06/24/2021] [Indexed: 12/30/2022] Open
Abstract
The dietary recommendation encourages reducing saturated fatty acids (SFA) in diet and replacing them with polyunsaturated fatty acids (PUFAs) n-3 (omega-3) and n-6 (omega-6) to decrease the risk of metabolic disturbances. Consequently, excessive n-6 PUFAs content and high n-6/n-3 ratio are found in Western-type diet. The importance of a dietary n-6/n-3 ratio to prevent chronic diseases is linked with anti-inflammatory functions of linolenic acid (ALA, 18:3n-3) and longer-chain n-3 PUFAs. Thus, this review provides an overview of the role of oxylipins derived from n-3 PUFAs and oxylipins formed from n-6 PUFAs on inflammation. Evidence of PUFAs' role in carcinogenesis was also discussed. In vitro studies, animal cancer models and epidemiological studies demonstrate that these two PUFA groups have different effects on the cell growth, proliferation and progression of neoplastic lesions.
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Affiliation(s)
- Kamila P. Liput
- Department of Genomics and Biodiversity, Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, ul. Postepu 36A, Jastrzebiec, 05-552 Magdalenka, Poland; (K.P.L.); (M.O.); (A.N.); (E.P.)
- Department of Molecular Biology, Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, ul. Postepu 36A, Jastrzebiec, 05-552 Magdalenka, Poland
| | - Adam Lepczyński
- Department of Physiology, Cytobiology and Proteomics, West Pomeranian University of Technology, ul. K. Janickiego 29, 71-270 Szczecin, Poland; (A.L.); (A.G.)
| | - Magdalena Ogłuszka
- Department of Genomics and Biodiversity, Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, ul. Postepu 36A, Jastrzebiec, 05-552 Magdalenka, Poland; (K.P.L.); (M.O.); (A.N.); (E.P.)
| | - Agata Nawrocka
- Department of Genomics and Biodiversity, Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, ul. Postepu 36A, Jastrzebiec, 05-552 Magdalenka, Poland; (K.P.L.); (M.O.); (A.N.); (E.P.)
- Department of Experimental Genomics, Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, ul. Postepu 36A, Jastrzebiec, 05-552 Magdalenka, Poland
| | - Ewa Poławska
- Department of Genomics and Biodiversity, Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, ul. Postepu 36A, Jastrzebiec, 05-552 Magdalenka, Poland; (K.P.L.); (M.O.); (A.N.); (E.P.)
| | - Agata Grzesiak
- Department of Physiology, Cytobiology and Proteomics, West Pomeranian University of Technology, ul. K. Janickiego 29, 71-270 Szczecin, Poland; (A.L.); (A.G.)
| | - Brygida Ślaska
- Institute of Biological Bases of Animal Production, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, Poland;
| | - Chandra S. Pareek
- Department of Basic and Preclinical Sciences, Institute of Veterinary Medicine, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, ul. J. Gagarina 7, 87-100 Toruń, Poland;
- Division of Functional Genomics in Biological and Biomedical Research, Centre for Modern Interdisciplinary Technologies, Nicolaus Copernicus University, ul. Wilenska 4, 87-100 Torun, Poland
| | - Urszula Czarnik
- Department of Pig Breeding, Faculty of Animal Bio-Engineering, University of Warmia and Mazury in Olsztyn, ul. M. Oczapowskiego 5, 10-719 Olsztyn, Poland;
| | - Mariusz Pierzchała
- Department of Genomics and Biodiversity, Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, ul. Postepu 36A, Jastrzebiec, 05-552 Magdalenka, Poland; (K.P.L.); (M.O.); (A.N.); (E.P.)
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31
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Thakar S, Gabarin N, Gupta A, Radford M, Warkentin TE, Arnold DM. Anemia-Induced Bleeding in Patients with Platelet Disorders. Transfus Med Rev 2021; 35:22-28. [PMID: 34332828 DOI: 10.1016/j.tmrv.2021.06.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/06/2021] [Accepted: 06/07/2021] [Indexed: 11/26/2022]
Abstract
Anemia is not only a consequence of bleeding, but also a modifiable risk factor for bleeding in patients with thrombocytopenia or platelet function defects. In this review we outline the mechanism of anemia-induced bleeding in patients with platelet disorders, which involves a disturbance in normal red blood cell (RBC) rheology and reduced platelet margination to the endothelial surface due to a decrease in RBC mass, leading to impaired primary hemostasis and bleeding. Biologically, anemia reduces the mass of RBCs in the central column of flowing blood through a vessel resulting in fewer platelets coming into contact with the endothelial surface at the periphery of the flowing blood column. Thus, anemia results in impaired primary hemostasis. Von Willebrand factor (vWF) is another component of primary hemostasis and vWF deficiency, especially a deficiency of the highest vWF multimers, can also manifest with bleeding when concomitant anemia occurs. Clinically, patients at greatest risk for anemia-induced bleeding include patients with hematological malignancies in whom anemia and thrombocytopenia occur as a result of the underlying disease or the myelotoxic effects of treatment; patients with renal insufficiency with uremic thrombocytopathy and hypoproliferative anemia; and patients with inherited or acquired bleeding disorders affecting primary hemostasis (eg, Bernard-Soulier syndrome, von Willebrand disease) with chronic blood loss and iron deficiency anemia. Underlying abnormalities of any components of primary hemostasis plus concomitant anemia may result in major bleeding disorders; therefore, correction of remediable abnormalities-most notably, correction of the anemia- would be expected to have important clinical benefit. In this review we discuss how the correction of the anemia may lead to improvement of bleeding outcomes in patients with a primary hemostatic defect, supported by evidence from animal models, clinical trials and clinical experience.
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Affiliation(s)
- Swarni Thakar
- McMaster Center for Transfusion Research, McMaster University, Hamilton, Ontario, Canada
| | - Nadia Gabarin
- Department of Medicine, Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Akash Gupta
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Michael Radford
- Department of Medicine, Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Theodore E Warkentin
- McMaster Center for Transfusion Research, McMaster University, Hamilton, Ontario, Canada; Department of Medicine, Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada; Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Donald M Arnold
- McMaster Center for Transfusion Research, McMaster University, Hamilton, Ontario, Canada; Department of Medicine, Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada.
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32
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Omega-6 DPA and its 12-lipoxygenase-oxidized lipids regulate platelet reactivity in a nongenomic PPARα-dependent manner. Blood Adv 2021; 4:4522-4537. [PMID: 32946570 DOI: 10.1182/bloodadvances.2020002493] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 08/06/2020] [Indexed: 12/11/2022] Open
Abstract
Arterial thrombosis is the underlying cause for a number of cardiovascular-related events. Although dietary supplementation that includes polyunsaturated fatty acids (PUFAs) has been proposed to elicit cardiovascular protection, a mechanism for antithrombotic protection has not been well established. The current study sought to investigate whether an omega-6 essential fatty acid, docosapentaenoic acid (DPAn-6), and its oxidized lipid metabolites (oxylipins) provide direct cardiovascular protection through inhibition of platelet reactivity. Human and mouse blood and isolated platelets were treated with DPAn-6 and its 12-lipoxygenase (12-LOX)-derived oxylipins, 11-hydroxy-docosapentaenoic acid and 14-hydroxy-docosapentaenoic acid, to assess their ability to inhibit platelet activation. Pharmacological and genetic approaches were used to elucidate a role for DPA and its oxylipins in preventing platelet activation. DPAn-6 was found to be significantly increased in platelets following fatty acid supplementation, and it potently inhibited platelet activation through its 12-LOX-derived oxylipins. The inhibitory effects were selectively reversed through inhibition of the nuclear receptor peroxisome proliferator activator receptor-α (PPARα). PPARα binding was confirmed using a PPARα transcription reporter assay, as well as PPARα-/- mice. These approaches confirmed that selectivity of platelet inhibition was due to effects of DPA oxylipins acting through PPARα. Mice administered DPAn-6 or its oxylipins exhibited reduced thrombus formation following vessel injury, which was prevented in PPARα-/- mice. Hence, the current study demonstrates that DPAn-6 and its oxylipins potently and effectively inhibit platelet activation and thrombosis following a vascular injury. Platelet function is regulated, in part, through an oxylipin-induced PPARα-dependent manner, suggesting that targeting PPARα may represent an alternative strategy to treat thrombotic-related diseases.
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Đukanović N, Obradović S, Zdravković M, Đurašević S, Stojković M, Tosti T, Jasnić N, Đorđević J, Todorović Z. Lipids and Antiplatelet Therapy: Important Considerations and Future Perspectives. Int J Mol Sci 2021; 22:ijms22063180. [PMID: 33804754 PMCID: PMC8003871 DOI: 10.3390/ijms22063180] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 03/17/2021] [Accepted: 03/18/2021] [Indexed: 01/15/2023] Open
Abstract
Lipids play an essential role in platelet functions. It is known that polyunsaturated fatty acids play a role in increasing platelet reactivity and that the prothrombotic phenotype plays a crucial role in the occurrence of major adverse cardiovascular events. The ongoing increase in cardiovascular diseases’ incidence emphasizes the importance of research linking lipids and platelet function. In particular, the rebound phenomenon that accompanies discontinuation of clopidogrel in patients receiving dual antiplatelet therapy has been associated with changes in the lipid profile. Our many years of research underline the importance of reduced HDL values for the risk of such a rebound effect and the occurrence of thromboembolic events. Lipids are otherwise a heterogeneous group of molecules, and their signaling molecules are not deposited but formed “on-demand” in the cell. On the other hand, exosomes transmit lipid signals between cells, and the profile of such changes can be monitored by lipidomics. Changes in the lipid profile are organ-specific and may indicate new drug action targets.
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Affiliation(s)
- Nina Đukanović
- High Medical School Milutin Milanković, Crnotravska 27, 11000 Belgrade, Serbia;
| | - Slobodan Obradović
- Clinic of Emergency Medicine, Military Medical Academy, University of Defence, Crnotravska 27, 11000 Belgrade, Serbia;
- Medical Faculty of the Military Medical Academy, University of Defence, Crnotravska 27, 11000 Belgrade, Serbia
| | - Marija Zdravković
- Dr Subotića 8, School of Medicine, University of Belgrade, 11000 Belgrade, Serbia; (M.Z.); (M.S.)
- Dr Žorža Matea bb, University Medical Centre “Bežanijska kosa”, 11070 Belgrade, Serbia
| | - Siniša Đurašević
- Faculty of Biology, University of Belgrade, Studentski trg 3, 11000 Belgrade, Serbia; (S.Ð.); (N.J.); (J.Ð.)
| | - Maja Stojković
- Dr Subotića 8, School of Medicine, University of Belgrade, 11000 Belgrade, Serbia; (M.Z.); (M.S.)
| | - Tomislav Tosti
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia;
| | - Nebojša Jasnić
- Faculty of Biology, University of Belgrade, Studentski trg 3, 11000 Belgrade, Serbia; (S.Ð.); (N.J.); (J.Ð.)
| | - Jelena Đorđević
- Faculty of Biology, University of Belgrade, Studentski trg 3, 11000 Belgrade, Serbia; (S.Ð.); (N.J.); (J.Ð.)
| | - Zoran Todorović
- Dr Subotića 8, School of Medicine, University of Belgrade, 11000 Belgrade, Serbia; (M.Z.); (M.S.)
- Correspondence: ; Tel.: +381-63-8827076
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Yamaguchi A, Stanger L, Freedman CJ, Standley M, Hoang T, Reheman A, Wan-Chen T, van Hoorebeke C, Holman TR, Holinstat M. DHA 12-LOX-derived oxylipins regulate platelet activation and thrombus formation through a PKA-dependent signaling pathway. J Thromb Haemost 2021; 19:839-851. [PMID: 33222370 PMCID: PMC7925359 DOI: 10.1111/jth.15184] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 10/28/2020] [Accepted: 11/16/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUND The effects of docosahexaenoic acid (DHA) on cardiovascular disease are controversial and a mechanistic understanding of how this omega-3 polyunsaturated fatty acid (ω-3 PUFA) regulates platelet reactivity and the subsequent risk of a thrombotic event is warranted. In platelets, DHA is oxidized by 12-lipoxygenase (12-LOX) producing the oxidized lipids (oxylipins) 11-HDHA and 14-HDHA. We hypothesized that 12-LOX DHA-oxylipins may be involved in the beneficial effects observed in dietary supplemental treatment with ω-3 PUFAs or DHA itself. OBJECTIVES To determine the effects of DHA, 11-HDHA, and 14-HDHA on platelet function and thrombus formation, and to elucidate the mechanism by which these ω-3 PUFAs regulate platelet activation. METHODS AND RESULTS DHA, 11-HDHA, and 14-HDHA attenuated collagen-induced human platelet aggregation, but only the oxylipins inhibited ⍺IIbβ3 activation and decreased ⍺-granule secretion. Furthermore, treatment of whole blood with DHA and its oxylipins impaired platelet adhesion and accumulation to a collagen-coated surface. Interestingly, thrombus formation was only diminished in mice treated with 11-HDHA or 14-HDHA, and mouse platelet activation was inhibited following acute treatment with these oxylipins or chronic treatment with DHA, suggesting that under physiologic conditions, the effects of DHA are mediated through its oxylipins. Finally, the protective mechanism of DHA oxylipins was shown to be mediated via activation of protein kinase A. CONCLUSIONS This study provides the first mechanistic evidence of how DHA and its 12-LOX oxylipins inhibit platelet activity and thrombus formation. These findings support the beneficial effects of DHA as therapeutic intervention in atherothrombotic diseases.
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Affiliation(s)
- Adriana Yamaguchi
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI
| | - Livia Stanger
- Department of Biology, Colby College, Waterville, ME
| | - Cody J Freedman
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA
| | - Melissa Standley
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA
| | - Timothy Hoang
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI
| | - Adili Reheman
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI
| | - Tsai Wan-Chen
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA
| | | | - Theodore R. Holman
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA
| | - Michael Holinstat
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI
- Department of Internal Medicine, Division of Cardiovascular Medicine, University of Michigan Medical School, Ann Arbor, MI
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Collection and Storage of Human Plasma for Measurement of Oxylipins. Metabolites 2021; 11:metabo11030137. [PMID: 33652624 PMCID: PMC7996814 DOI: 10.3390/metabo11030137] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/15/2021] [Accepted: 02/23/2021] [Indexed: 12/31/2022] Open
Abstract
Oxylipins derived from omega-3 and -6 fatty acids are actively involved in inflammatory and immune processes and play important roles in human disease. However, as the interest in oxylipins increases, questions remain regarding which molecules are detectable in plasma, the best methods of collecting samples, and if molecules are stable during collection and storage. We thereby built upon existing studies by examining the stability of an expanded panel of 90 oxylipins, including specialized pro-resolving lipid mediators (SPMs), in human plasma (n = 5 subjects) during sample collection, processing, and storage at −80 °C. Oxylipins were quantified using liquid chromatography-tandem mass spectrometry (LC/MS/MS). Blood samples collected in ethylenediaminetetraacetic acid (EDTA) or heparin followed by up to 2 h at room temperature prior to processing showed no significant differences in oxylipin concentrations compared to immediately processed samples, including the SPMs lipoxin A4 and resolvin D1. The majority of molecules, including SPMs, remained stable following storage for up to 1 year. However, in support of previous findings, changes were seen in a small subset of oxylipins including 12-HETE, TXB2, 14-HDHA, and 18-HEPE. Overall, this study showed that accurate measurements of most oxylipins can be obtained from stored EDTA or heparin plasma samples using LC/MS/MS.
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Bikulčienė I, Garjonytė N, Žėkas V, Matuzevičienė R, Žymantienė Ž, Baublytė A, Hendrixson V, Karčiauskaitė D, Utkus A, Kaminskas A. Relationship Between Composition of Fatty Acid in Platelet Phospholipid Membrane and Markers of Oxidative Stress in Healthy Men and Men After a Myocardial Infarction. Med Sci Monit Basic Res 2021; 27:e929634. [PMID: 33583940 PMCID: PMC7893829 DOI: 10.12659/msmbr.929634] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background Oxidative stress (OS) is known to be extremely damaging for phospholipids in cell membranes, especially their polyunsaturated fatty acids (PUFAs). OS is known to be associated with increased platelet activation and thrombosis, which lead to cardiovascular lesions. The aim of this study was to investigate how changes in the composition of fatty acids (FAs) in the platelet phospholipid membrane correlate with OS in healthy men and in men who have experienced a myocardial infarction (post-MI men). Material/Methods FA methyl esters from the platelet phospholipid membrane of 79 apparently healthy and 20 post-MI men were identified using gas chromatography/mass spectrometry. Malondialdehyde (MDA) was measured in the blood serum using high-performance liquid chromatography, and platelet-white blood cell aggregates (PWAs) were analysed based on whole-blood flow cytometry. The composition of platelet membrane FAs was compared to MDA concentration (μg/l) and the percentage of PWA formation between healthy men and individuals who had suffered a myocardial infarction (MI). Results Statistically, post-MI patients had a significantly higher concentration of blood serum MDA than those in the control group (p=0.000). The level of PUFAs was also higher in the platelet phospholipid membrane of post-MI patients than in healthy individuals (p=0.016). However, the percentage of PWA formation was lower in patients compared with the control group (p<0.05). Conclusions A higher level of blood serum MDA concentration due to OS stimulates platelets to incorporate more PUFAs into the phospholipid membrane, thereby affecting platelet activation. This may lead the individual to develop cardiovascular diseases in the future.
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Affiliation(s)
- Inga Bikulčienė
- Institute of Biomedical Sciences, Department of Physiology, Biochemistry, Microbiology and Laboratory Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Neda Garjonytė
- Institute of Biomedical Sciences, Department of Physiology, Biochemistry, Microbiology and Laboratory Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Vytautas Žėkas
- Institute of Biomedical Sciences, Department of Physiology, Biochemistry, Microbiology and Laboratory Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Rėda Matuzevičienė
- Institute of Biomedical Sciences, Department of Physiology, Biochemistry, Microbiology and Laboratory Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Živilė Žymantienė
- Consultation and Diagnostic Center, Vilnius District Central Polyclinic, Vilnius, Lithuania
| | - Aldona Baublytė
- Clinical Diagnostic Laboratory, Vilnius District Central Polyclinic, Vilnius, Lithuania
| | - Vaiva Hendrixson
- Institute of Biomedical Sciences, Department of Physiology, Biochemistry, Microbiology and Laboratory Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Dovilė Karčiauskaitė
- Institute of Biomedical Sciences, Department of Physiology, Biochemistry, Microbiology and Laboratory Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Algirdas Utkus
- Institute of Biomedical Sciences, Department of Human and Medical Genetics, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Arvydas Kaminskas
- Institute of Biomedical Sciences, Department of Physiology, Biochemistry, Microbiology and Laboratory Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
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Wang W, Yang L, Song L, Guo M, Li C, Yang B, Wang M, Kou N, Gao J, Qu H, Ma Y, Xue M, Shi D. Combination of Panax notoginseng saponins and aspirin potentiates platelet inhibition with alleviated gastric injury via modulating arachidonic acid metabolism. Biomed Pharmacother 2021; 134:111165. [PMID: 33370633 DOI: 10.1016/j.biopha.2020.111165] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 12/08/2020] [Accepted: 12/14/2020] [Indexed: 12/13/2022] Open
Abstract
High platelet reactivity and gastric mucosal injury after aspirin (ASA) treatment are associated with poor compliance and an increased risk of cardiovascular events. Panax notoginseng saponins (PNS) have been widely used for the treatment of coronary heart disease (CHD) in addition to antiplatelet drugs in China; however, the joint effect and possible mechanism of PNS in addition to ASA on platelet activation and gastric injury remain unclear. This study was designed to investigate the combinational effects of PNS with ASA, and to explore the underlying mechanism via arachidonic acid (AA) metabolism pathway using lipidomic analysis. In a randomized, assessor-blinded trial, 42 patients with stable coronary heart disease (SCHD) and chronic gastritis were randomly assigned to receive ASA (n = 21) or PNS + ASA (n = 21) for 2 months. Compared with ASA alone, PNS + ASA further inhibited CD62p expression, GPIIb-IIIa activation and platelet aggregation and led to increased platelet inhibition rate. PNS + ASA suppressed the activity of platelet cyclooxygenase (COX)-1, and decreased the production of TXB2, PGD2, PGE2, 11-HETE, the downstream oxylipids of AA/COX-1 pathway in platelets, compared with ASA alone. The severity of dyspepsia assessment (SODA) results showed that patients in PNS + ASA group exhibited relieved dyspeptic symptoms as compared with those in ASA group, which might be associated with enhanced secretion of gastrin and motilin. In vivo study of myocardial infarction rats demonstrated that PNS attenuated ASA-induced gastric mucosal injury, which was related to markedly boosted gastric level of 6,15-diketo-13,14-dihydro-prostaglandin (PG)F1α, 13,14-dihydro-15-keto-PGE2 and PGE2 from AA/PG pathway in response to PNS + ASA compared with ASA alone. In summary, our study demonstrated that the combination of PNS and ASA potentiated the antiplatelet effect of ASA via AA/COX-1/TXB2 pathway in platelets, and mitigated ASA-related gastric injury via AA/PG pathway in gastric mucosa.
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Affiliation(s)
- Wenting Wang
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China; Hangzhou Red Cross Hospital, Hangzhou 310003, China
| | - Lin Yang
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China
| | - Lei Song
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China
| | - Ming Guo
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China
| | - Changkun Li
- Shimadzu (China) Co., LTD Beijing Branch, Beijing 100020, China
| | - Bin Yang
- Department of Pathology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China
| | - Mingming Wang
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China
| | - Na Kou
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China
| | - Jie Gao
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China
| | - Hua Qu
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China
| | - Yan Ma
- Department of Pathophysiology and Allergy Research, Center of Pathophysiology, Infectiology & Immunology, Vienna General Hospital, Medical University of Vienna, 1090, Vienna, Austria
| | - Mei Xue
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China.
| | - Dazhuo Shi
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China.
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Pellegrini CN, Buzkova P, Lichtenstein AH, Matthan NR, Ix JH, Siscovick DS, Heckbert SR, Tracy RP, Mukamal KJ, Djoussé L, Kizer JR. Individual non-esterified fatty acids and incident atrial fibrillation late in life. Heart 2021; 107:1805-1812. [PMID: 33483356 DOI: 10.1136/heartjnl-2020-317929] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 12/23/2020] [Accepted: 01/03/2021] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVE Obesity and dysmetabolism are major risk factors for atrial fibrillation (AF). Expansion of fat depots is associated with increased circulating total non-esterified fatty acids (NEFAs), elevated levels of which are associated with incident AF. We undertook comprehensive serum measurement of individual NEFA to identify specific associations with new-onset AF late in life. METHODS The present study focused on participants with available serum and free of AF selected from the Cardiovascular Health Study, a community-based longitudinal investigation of older US adults. Thirty-five individual NEFAs were measured by gas chromatography. Cox regression was used to evaluate the association of individual NEFAs with incident AF. RESULTS The study sample included 1872 participants (age 77.7±4.4). During median follow-up of 11.3 years, 715 cases of incident AF occurred. After concurrent adjustment of all NEFAs and full adjustment for potential confounders, higher serum concentration of nervonic acid (24:1 n-9), a long-chain monounsaturated fatty acid, was associated with higher risk of AF (HR per SD: 1.18, 95% CI 1.08 to 1.29; p<0.001). Conversely, higher serum concentration of gamma-linolenic acid (GLA) (18:3 n-6), a polyunsaturated n-6 fatty acid, was associated with lower risk of AF (HR per SD: 0.81, 95% CI 0.71 to 0.94; p=0.004). None of the remaining NEFAs was significantly associated with AF. CONCLUSIONS Among older adults, serum levels of non-esterified nervonic acid were positively associated, while serum levels of non-esterified GLA were inversely associated, with incident AF. If confirmed, these results could offer new strategies for AF prevention and early intervention in this segment of the population at highest risk.
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Affiliation(s)
- Cara N Pellegrini
- Medical Service, San Francisco VA Medical Center, San Francisco, California, USA .,Medicine, University of California San Francisco, San Francisco, California, USA
| | - Petra Buzkova
- Biostatics, University of Washington, Seattle, Washington, USA
| | - Alice H Lichtenstein
- Cardiovascular Nutrition Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Boston, Massachusetts, USA
| | - Nirupa R Matthan
- Cardiovascular Nutrition Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Boston, Massachusetts, USA
| | - Joachim H Ix
- Medicine, University of California San Diego, La Jolla, California, USA
| | - David S Siscovick
- Medicine and Epidemiology, New York Academy of Medicine, New York, New York, USA
| | - Susan R Heckbert
- Epidemiology, University of Washington, Seattle, Washington, USA
| | - Russell P Tracy
- Pathology and Biochemistry, University of Vermont, Burlington, Vermont, USA
| | - Kenneth J Mukamal
- Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
| | - Luc Djoussé
- Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Jorge R Kizer
- Medical Service, San Francisco VA Medical Center, San Francisco, California, USA.,Medicine, University of California San Francisco, San Francisco, California, USA
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Bioactive Ether Lipids: Primordial Modulators of Cellular Signaling. Metabolites 2021; 11:metabo11010041. [PMID: 33430006 PMCID: PMC7827237 DOI: 10.3390/metabo11010041] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/01/2021] [Accepted: 01/03/2021] [Indexed: 12/14/2022] Open
Abstract
The primacy of lipids as essential components of cellular membranes is conserved across taxonomic domains. In addition to this crucial role as a semi-permeable barrier, lipids are also increasingly recognized as important signaling molecules with diverse functional mechanisms ranging from cell surface receptor binding to the intracellular regulation of enzymatic cascades. In this review, we focus on ether lipids, an ancient family of lipids having ether-linked structures that chemically differ from their more prevalent acyl relatives. In particular, we examine ether lipid biosynthesis in the peroxisome of mammalian cells, the roles of selected glycerolipids and glycerophospholipids in signal transduction in both prokaryotes and eukaryotes, and finally, the potential therapeutic contributions of synthetic ether lipids to the treatment of cancer.
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Van Doren L, Nguyen N, Garzia C, Fletcher EK, Stevenson R, Jaramillo D, Kuliopulos A, Covic L. Lipid Receptor GPR31 (G-Protein-Coupled Receptor 31) Regulates Platelet Reactivity and Thrombosis Without Affecting Hemostasis. Arterioscler Thromb Vasc Biol 2021; 41:e33-e45. [PMID: 33267659 PMCID: PMC8108540 DOI: 10.1161/atvbaha.120.315154] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
OBJECTIVE 12-LOX (12-lipoxygenase) produces a number of bioactive lipids including 12(S)-HETE that are involved in inflammation and platelet reactivity. The GPR31 (G-protein-coupled receptor 31) is the proposed receptor of 12(S)-HETE; however, it is not known whether the 12(S)-HETE-GPR31 signaling axis serves to enhance or inhibit platelet activity. Approach and Results: Using pepducin technology and biochemical approaches, we provide evidence that 12(S)-HETE-GPR31 signals through Gi to enhance PAR (protease-activated receptor)-4-mediated platelet activation and arterial thrombosis using both human platelets and mouse carotid artery injury models. 12(S)-HETE suppressed AC (adenylyl cyclase) activity through GPR31 and resulted in Rap1 (Ras-related protein 1) and p38 activation and low but detectable calcium flux but did not induce platelet aggregation. A GPR31 third intracellular (i3) loop-derived pepducin, GPR310 (G-protein-coupled receptor 310), significantly inhibited platelet aggregation in response to thrombin, collagen, and PAR4 agonist, AYPGKF, in human and mouse platelets but relative sparing of PAR1 agonist SFLLRN in human platelets. GPR310 treatment gave a highly significant 80% protection (P=0.0018) against ferric chloride-induced carotid artery injury in mice by extending occlusion time, without any effect on tail bleeding. PAR4-mediated dense granule secretion and calcium flux were both attenuated by GPR310. Consistent with these results, GPR310 inhibited 12(S)-HETE-mediated and PAR4-mediated Rap1-GTP and RASA3 translocation to the plasma membrane and attenuated PAR4-Akt and ERK activation. GPR310 caused a right shift in thrombin-mediated human platelet aggregation, comparable to the effects of inhibition of the Gi-coupled P2Y12 receptor. Co-immunoprecipitation studies revealed that GPR31 and PAR4 form a heterodimeric complex in recombinant systems. CONCLUSIONS The 12-LOX product 12(S)-HETE stimulates GPR31-Gi-signaling pathways, which enhance thrombin-PAR4 platelet activation and arterial thrombosis in human platelets and mouse models. Suppression of this bioactive lipid pathway, as exemplified by a GPR31 pepducin antagonist, may provide beneficial protective effects against platelet aggregation and arterial thrombosis with minimal effect on hemostasis.
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Affiliation(s)
- Layla Van Doren
- Division of Hematology/Oncology, Center for Hemostasis and Thrombosis Research, Tufts Medical Center, Boston, MA (L.V.D., N.N., C.G., E.K.F., R.S., L.C., A.K.)
| | - Nga Nguyen
- Division of Hematology/Oncology, Center for Hemostasis and Thrombosis Research, Tufts Medical Center, Boston, MA (L.V.D., N.N., C.G., E.K.F., R.S., L.C., A.K.)
| | - Christopher Garzia
- Division of Hematology/Oncology, Center for Hemostasis and Thrombosis Research, Tufts Medical Center, Boston, MA (L.V.D., N.N., C.G., E.K.F., R.S., L.C., A.K.)
| | - Elizabeth K Fletcher
- Division of Hematology/Oncology, Center for Hemostasis and Thrombosis Research, Tufts Medical Center, Boston, MA (L.V.D., N.N., C.G., E.K.F., R.S., L.C., A.K.)
| | - Ryan Stevenson
- Division of Hematology/Oncology, Center for Hemostasis and Thrombosis Research, Tufts Medical Center, Boston, MA (L.V.D., N.N., C.G., E.K.F., R.S., L.C., A.K.)
| | | | - Athan Kuliopulos
- Division of Hematology/Oncology, Center for Hemostasis and Thrombosis Research, Tufts Medical Center, Boston, MA (L.V.D., N.N., C.G., E.K.F., R.S., L.C., A.K.)
- Departments of Medicine (L.C., A.K.), Tufts University School of Medicine, Boston, MA
- Biochemistry (L.C., A.K.), Tufts University School of Medicine, Boston, MA
| | - Lidija Covic
- Division of Hematology/Oncology, Center for Hemostasis and Thrombosis Research, Tufts Medical Center, Boston, MA (L.V.D., N.N., C.G., E.K.F., R.S., L.C., A.K.)
- Departments of Medicine (L.C., A.K.), Tufts University School of Medicine, Boston, MA
- Biochemistry (L.C., A.K.), Tufts University School of Medicine, Boston, MA
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Braune S, Küpper JH, Jung F. Effect of Prostanoids on Human Platelet Function: An Overview. Int J Mol Sci 2020; 21:ijms21239020. [PMID: 33260972 PMCID: PMC7730041 DOI: 10.3390/ijms21239020] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/19/2020] [Accepted: 11/23/2020] [Indexed: 12/11/2022] Open
Abstract
Prostanoids are bioactive lipid mediators and take part in many physiological and pathophysiological processes in practically every organ, tissue and cell, including the vascular, renal, gastrointestinal and reproductive systems. In this review, we focus on their influence on platelets, which are key elements in thrombosis and hemostasis. The function of platelets is influenced by mediators in the blood and the vascular wall. Activated platelets aggregate and release bioactive substances, thereby activating further neighbored platelets, which finally can lead to the formation of thrombi. Prostanoids regulate the function of blood platelets by both activating or inhibiting and so are involved in hemostasis. Each prostanoid has a unique activity profile and, thus, a specific profile of action. This article reviews the effects of the following prostanoids: prostaglandin-D2 (PGD2), prostaglandin-E1, -E2 and E3 (PGE1, PGE2, PGE3), prostaglandin F2α (PGF2α), prostacyclin (PGI2) and thromboxane-A2 (TXA2) on platelet activation and aggregation via their respective receptors.
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Cebo M, Fu X, Gawaz M, Chatterjee M, Lämmerhofer M. Micro-UHPLC-MS/MS method for analysis of oxylipins in plasma and platelets. J Pharm Biomed Anal 2020; 189:113426. [DOI: 10.1016/j.jpba.2020.113426] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 06/10/2020] [Accepted: 06/11/2020] [Indexed: 01/03/2023]
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Cebo M, Fu X, Gawaz M, Chatterjee M, Lämmerhofer M. Enantioselective ultra-high performance liquid chromatography-tandem mass spectrometry method based on sub-2µm particle polysaccharide column for chiral separation of oxylipins and its application for the analysis of autoxidized fatty acids and platelet releasates. J Chromatogr A 2020; 1624:461206. [DOI: 10.1016/j.chroma.2020.461206] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 05/01/2020] [Accepted: 05/04/2020] [Indexed: 12/14/2022]
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Hirata S, Nagatake T, Sawane K, Hosomi K, Honda T, Ono S, Shibuya N, Saito E, Adachi J, Abe Y, Isoyama J, Suzuki H, Matsunaga A, Tomonaga T, Kiyono H, Kabashima K, Arita M, Kunisawa J. Maternal ω3 docosapentaenoic acid inhibits infant allergic dermatitis through TRAIL-expressing plasmacytoid dendritic cells in mice. Allergy 2020; 75:1939-1955. [PMID: 32027039 PMCID: PMC7496639 DOI: 10.1111/all.14217] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 12/26/2019] [Accepted: 01/09/2020] [Indexed: 12/14/2022]
Abstract
Background Maternal dietary exposures are considered to influence the development of infant allergies through changes in the composition of breast milk. Cohort studies have shown that ω3 polyunsaturated fatty acids (PUFAs) in breast milk may have a beneficial effect on the preventing of allergies in infants; however, the underlying mechanisms remain to be investigated. We investigated how the maternal intake of dietary ω3 PUFAs affects fatty acid profiles in the breast milk and their pups and reduced the incidence of allergic diseases in the pups. Methods Contact hypersensitivity (CHS) induced by 2,4‐dinitrofluorobenzene (DNFB) and fluorescein isothiocyanate was applied to the skin in pups reared by mother maintained with diets mainly containing ω3 or ω6 PUFAs. Skin inflammation, immune cell populations, and expression levels of immunomodulatory molecules in pups and/or human cell line were investigated by using flow cytometric, immunohistologic, and quantitative RT‐PCR analyses. ω3 PUFA metabolites in breast milk and infant's serum were evaluated by lipidomics analysis using LC‐MS/MS. Results We show that maternal intake of linseed oil, containing abundant ω3 α‐linolenic acid, resulted in the increased levels of ω3 docosapentaenoic acid (DPA) and its 14‐lipoxygenation products in the breast milk of mouse dams; these metabolites increased the expression of TNF‐related apoptosis‐inducing ligand (TRAIL) on plasmacytoid dendritic cells (pDCs) in their pups and thus inhibited infant CHS. Indeed, the administration of DPA‐derived 14‐lipoxygenation products to mouse pups ameliorated their DNFB CHS. Conclusion These findings suggest that an inhibitory mechanism in infant skin allergy is induced through maternal metabolism of dietary ω3 PUFAs in mice.
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Affiliation(s)
- So‐ichiro Hirata
- Laboratory of Vaccine Materials Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN) Ibaraki‐city Japan
- Department of Microbiology and Immunology Kobe University Graduate School of Medicine Kobe‐city Japan
| | - Takahiro Nagatake
- Laboratory of Vaccine Materials Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN) Ibaraki‐city Japan
| | - Kento Sawane
- Laboratory of Vaccine Materials Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN) Ibaraki‐city Japan
- Nippon Flour Mills Co., Ltd., Innovation Center Atsugi‐city Japan
- Graduate School of Pharmaceutical Sciences Osaka University Suita‐city Japan
| | - Koji Hosomi
- Laboratory of Vaccine Materials Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN) Ibaraki‐city Japan
| | - Tetsuya Honda
- Department of Dermatology Kyoto University Graduate School of Medicine Kyoto‐city Japan
| | - Sachiko Ono
- Department of Dermatology Kyoto University Graduate School of Medicine Kyoto‐city Japan
| | - Noriko Shibuya
- Department of Pediatrics Maternal & Child Health Center, Aiiku Clinic Tokyo Japan
| | - Emiko Saito
- Department of Human Nutrition Tokyo Kasei Gakuin University Tokyo Japan
| | - Jun Adachi
- Laboratory of Proteome Research National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN) Ibaraki‐city Japan
| | - Yuichi Abe
- Laboratory of Proteome Research National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN) Ibaraki‐city Japan
| | - Junko Isoyama
- Laboratory of Proteome Research National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN) Ibaraki‐city Japan
| | - Hidehiko Suzuki
- Laboratory of Vaccine Materials Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN) Ibaraki‐city Japan
| | - Ayu Matsunaga
- Laboratory of Vaccine Materials Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN) Ibaraki‐city Japan
| | - Takeshi Tomonaga
- Laboratory of Proteome Research National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN) Ibaraki‐city Japan
| | - Hiroshi Kiyono
- International Research and Development Center for Mucosal Vaccines The Institute of Medical ScienceThe University of Tokyo Tokyo Japan
- Division of Gastroenterology Department of Medicine University of California San Diego (UCSD) San Diego CA USA
- Chiba University (CU)‐UCSD Center for Mucosal Immunology, Allergy and Vaccines (cMAV) UCSD San Diego CA USA
- Department of Immunology Graduate School of Medicine Chiba University Chiba‐city Japan
| | - Kenji Kabashima
- Department of Dermatology Kyoto University Graduate School of Medicine Kyoto‐city Japan
| | - Makoto Arita
- Laboratory for Metabolomics RIKEN Center for Integrative Medical Sciences Yokohama‐city Japan
- Division of Physiological Chemistry and Metabolism Graduate School of Pharmaceutical Sciences Keio University Tokyo Japan
- Graduate School of Medical Life Science Yokohama City University Yokohama‐city Japan
| | - Jun Kunisawa
- Laboratory of Vaccine Materials Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN) Ibaraki‐city Japan
- Department of Microbiology and Immunology Kobe University Graduate School of Medicine Kobe‐city Japan
- Graduate School of Pharmaceutical Sciences Osaka University Suita‐city Japan
- International Research and Development Center for Mucosal Vaccines The Institute of Medical ScienceThe University of Tokyo Tokyo Japan
- Graduate School of Medicine and Graduate School of Dentistry Osaka University Suita‐city Japan
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Offenbacher AR, Holman TR. Fatty Acid Allosteric Regulation of C-H Activation in Plant and Animal Lipoxygenases. Molecules 2020; 25:molecules25153374. [PMID: 32722330 PMCID: PMC7436259 DOI: 10.3390/molecules25153374] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/18/2020] [Accepted: 07/21/2020] [Indexed: 12/18/2022] Open
Abstract
Lipoxygenases (LOXs) catalyze the (per) oxidation of fatty acids that serve as important mediators for cell signaling and inflammation. These reactions are initiated by a C-H activation step that is allosterically regulated in plant and animal enzymes. LOXs from higher eukaryotes are equipped with an N-terminal PLAT (Polycystin-1, Lipoxygenase, Alpha-Toxin) domain that has been implicated to bind to small molecule allosteric effectors, which in turn modulate substrate specificity and the rate-limiting steps of catalysis. Herein, the kinetic and structural evidence that describes the allosteric regulation of plant and animal lipoxygenase chemistry by fatty acids and their derivatives are summarized.
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Affiliation(s)
- Adam R. Offenbacher
- Department of Chemistry, East Carolina University, Greenville, NC 27858, USA
- Correspondence:
| | - Theodore R. Holman
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA 95064, USA;
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Thomas T, Stefanoni D, Reisz JA, Nemkov T, Bertolone L, Francis RO, Hudson KE, Zimring JC, Hansen KC, Hod EA, Spitalnik SL, D’Alessandro A. COVID-19 infection alters kynurenine and fatty acid metabolism, correlating with IL-6 levels and renal status. JCI Insight 2020; 5:140327. [PMID: 32559180 PMCID: PMC7453907 DOI: 10.1172/jci.insight.140327] [Citation(s) in RCA: 350] [Impact Index Per Article: 87.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 06/17/2020] [Indexed: 01/08/2023] Open
Abstract
BACKGROUNDReprogramming of host metabolism supports viral pathogenesis by fueling viral proliferation, by providing, for example, free amino acids and fatty acids as building blocks.METHODSTo investigate metabolic effects of SARS-CoV-2 infection, we evaluated serum metabolites of patients with COVID-19 (n = 33; diagnosed by nucleic acid testing), as compared with COVID-19-negative controls (n = 16).RESULTSTargeted and untargeted metabolomics analyses identified altered tryptophan metabolism into the kynurenine pathway, which regulates inflammation and immunity. Indeed, these changes in tryptophan metabolism correlated with interleukin-6 (IL-6) levels. Widespread dysregulation of nitrogen metabolism was also seen in infected patients, with altered levels of most amino acids, along with increased markers of oxidant stress (e.g., methionine sulfoxide, cystine), proteolysis, and renal dysfunction (e.g., creatine, creatinine, polyamines). Increased circulating levels of glucose and free fatty acids were also observed, consistent with altered carbon homeostasis. Interestingly, metabolite levels in these pathways correlated with clinical laboratory markers of inflammation (i.e., IL-6 and C-reactive protein) and renal function (i.e., blood urea nitrogen).CONCLUSIONIn conclusion, this initial observational study identified amino acid and fatty acid metabolism as correlates of COVID-19, providing mechanistic insights, potential markers of clinical severity, and potential therapeutic targets.FUNDINGBoettcher Foundation Webb-Waring Biomedical Research Award; National Institute of General and Medical Sciences, NIH; and National Heart, Lung, and Blood Institute, NIH.
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Affiliation(s)
- Tiffany Thomas
- Department of Pathology and Cell Biology, Columbia University, New York, New York, USA
| | - Davide Stefanoni
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, Colorado, USA
| | - Julie A. Reisz
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, Colorado, USA
| | - Travis Nemkov
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, Colorado, USA
| | - Lorenzo Bertolone
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, Colorado, USA
| | - Richard O. Francis
- Department of Pathology and Cell Biology, Columbia University, New York, New York, USA
| | - Krystalyn E. Hudson
- Department of Pathology and Cell Biology, Columbia University, New York, New York, USA
| | - James C. Zimring
- Department of Pathology, University of Virginia, Charlottesville, Virginia, USA
| | - Kirk C. Hansen
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, Colorado, USA
| | - Eldad A. Hod
- Department of Pathology and Cell Biology, Columbia University, New York, New York, USA
| | - Steven L. Spitalnik
- Department of Pathology and Cell Biology, Columbia University, New York, New York, USA
| | - Angelo D’Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, Colorado, USA
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Zhang F, Qiao S, Li C, Wu B, Reischl S, Neumann PA. The immunologic changes during different phases of intestinal anastomotic healing. J Clin Lab Anal 2020; 34:e23493. [PMID: 32692419 PMCID: PMC7676198 DOI: 10.1002/jcla.23493] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 06/29/2020] [Accepted: 07/01/2020] [Indexed: 01/06/2023] Open
Abstract
Intestinal anatomosis is a complex and multicellular process that involving three overlapped phases: exudative phase, proliferative phase, and reparative phase. Undisturbed anastomotic healings are crucial for the recovery of patients after operations but unsuccessful healings are linked with a considerable mortality. This time, we concentrate on the immunologic changes during different phases of intestinal anastomotic healing and select several major immune cells and cytokines of each phase to get a better understanding of these immunologic changes in different phases, which will be significant for more precise therapy strategies in anastomoses.
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Affiliation(s)
- Feng Zhang
- Department of General Surgery, Tongren Municipal People's Hospital of Guizhou Medical University(GMU), Guizhou, 554300, China.,Department of Surgery, Klinikum rechts der Isar, School of Medicine, Technical University of Munich(TUM), Munich, 81675, Germany
| | - Song Qiao
- Department of General Surgery, Tongren Municipal People's Hospital of Guizhou Medical University(GMU), Guizhou, 554300, China
| | - Chunqiao Li
- Department of Surgery, Klinikum rechts der Isar, School of Medicine, Technical University of Munich(TUM), Munich, 81675, Germany
| | - Bo Wu
- Department of General Surgery, Tongren Municipal People's Hospital of Guizhou Medical University(GMU), Guizhou, 554300, China
| | - Stefan Reischl
- Department of Surgery, Klinikum rechts der Isar, School of Medicine, Technical University of Munich(TUM), Munich, 81675, Germany
| | - Philipp-Alexander Neumann
- Department of Surgery, Klinikum rechts der Isar, School of Medicine, Technical University of Munich(TUM), Munich, 81675, Germany
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48
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Perry SC, Kalyanaraman C, Tourdot BE, Conrad WS, Akinkugbe O, Freedman JC, Holinstat M, Jacobson MP, Holman TR. 15-Lipoxygenase-1 biosynthesis of 7S,14S-diHDHA implicates 15-lipoxygenase-2 in biosynthesis of resolvin D5. J Lipid Res 2020; 61:1087-1103. [PMID: 32404334 PMCID: PMC7328043 DOI: 10.1194/jlr.ra120000777] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 05/08/2020] [Indexed: 12/15/2022] Open
Abstract
The two oxylipins 7S,14S-dihydroxydocosahexaenoic acid (diHDHA) and 7S,17S-diHDHA [resolvin D5 (RvD5)] have been found in macrophages and infectious inflammatory exudates and are believed to function as specialized pro-resolving mediators (SPMs). Their biosynthesis is thought to proceed through sequential oxidations of DHA by lipoxygenase (LOX) enzymes, specifically, by human 5-LOX (h5-LOX) first to 7(S)-hydroxy-4Z,8E,10Z,13Z,16Z,19Z-DHA (7S-HDHA), followed by human platelet 12-LOX (h12-LOX) to form 7(S),14(S)-dihydroxy-4Z,8E,10Z,12E,16Z,19Z-DHA (7S,14S-diHDHA) or human reticulocyte 15-LOX-1 (h15-LOX-1) to form RvD5. In this work, we determined that oxidation of 7(S)-hydroperoxy-4Z,8E,10Z,13Z,16Z,19Z-DHA to 7S,14S-diHDHA is performed with similar kinetics by either h12-LOX or h15-LOX-1. The oxidation at C14 of DHA by h12-LOX was expected, but the noncanonical reaction of h15-LOX-1 to make over 80% 7S,14S-diHDHA was larger than expected. Results of computer modeling suggested that the alcohol on C7 of 7S-HDHA hydrogen bonds with the backbone carbonyl of Ile399, forcing the hydrogen abstraction from C12 to oxygenate on C14 but not C17. This result raised questions regarding the synthesis of RvD5. Strikingly, we found that h15-LOX-2 oxygenates 7S-HDHA almost exclusively at C17, forming RvD5 with faster kinetics than does h15-LOX-1. The presence of h15-LOX-2 in neutrophils and macrophages suggests that it may have a greater role in biosynthesizing SPMs than previously thought. We also determined that the reactions of h5-LOX with 14(S)-hydroperoxy-4Z,7Z,10Z,12E,16Z,19Z-DHA and 17(S)-hydroperoxy-4Z,7Z,10Z,13Z,15E,19Z-DHA are kinetically slow compared with DHA, suggesting that these reactions may be minor biosynthetic routes in vivo. Additionally, we show that 7S,14S-diHDHA and RvD5 have anti-aggregation properties with platelets at low micromolar potencies, which could directly regulate clot resolution.
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Affiliation(s)
- Steven C Perry
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA 95064
| | - Chakrapani Kalyanaraman
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of California San Francisco, San Francisco, CA 94143
| | - Benjamin E Tourdot
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI 48109
| | - William S Conrad
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA 95064
| | - Oluwayomi Akinkugbe
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA 95064
| | - John Cody Freedman
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA 95064
| | - Michael Holinstat
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI 48109
| | - Matthew P Jacobson
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of California San Francisco, San Francisco, CA 94143
| | - Theodore R Holman
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA 95064. mailto:
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49
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Bioactive Lipid Signaling in Cardiovascular Disease, Development, and Regeneration. Cells 2020; 9:cells9061391. [PMID: 32503253 PMCID: PMC7349721 DOI: 10.3390/cells9061391] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 05/23/2020] [Accepted: 06/01/2020] [Indexed: 12/13/2022] Open
Abstract
Cardiovascular disease (CVD) remains a leading cause of death globally. Understanding and characterizing the biochemical context of the cardiovascular system in health and disease is a necessary preliminary step for developing novel therapeutic strategies aimed at restoring cardiovascular function. Bioactive lipids are a class of dietary-dependent, chemically heterogeneous lipids with potent biological signaling functions. They have been intensively studied for their roles in immunity, inflammation, and reproduction, among others. Recent advances in liquid chromatography-mass spectrometry techniques have revealed a staggering number of novel bioactive lipids, most of them unknown or very poorly characterized in a biological context. Some of these new bioactive lipids play important roles in cardiovascular biology, including development, inflammation, regeneration, stem cell differentiation, and regulation of cell proliferation. Identifying the lipid signaling pathways underlying these effects and uncovering their novel biological functions could pave the way for new therapeutic strategies aimed at CVD and cardiovascular regeneration.
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50
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Freedman C, Tran A, Tourdot BE, Kalyanaraman C, Perry S, Holinstat M, Jacobson MP, Holman TR. Biosynthesis of the Maresin Intermediate, 13S,14S-Epoxy-DHA, by Human 15-Lipoxygenase and 12-Lipoxygenase and Its Regulation through Negative Allosteric Modulators. Biochemistry 2020; 59:1832-1844. [PMID: 32324389 PMCID: PMC7729281 DOI: 10.1021/acs.biochem.0c00233] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Human reticulocyte 15-lipoxygenase-1 (h15-LOX-1 or ALOX15) and platelet 12-lipoxygenase (h12-LOX or ALOX12) catalysis of docosahexaenoic acid (DHA) and the maresin precursor, 14S-hydroperoxy-4Z,7Z,10Z,12E,16Z,19Z-docosahexaenoic acid (14S-HpDHA), were investigated to determine their product profiles and relative rates in the biosynthesis of the key maresin intermediate, 13S,14S-epoxy-4Z,7Z,9E,11E,16Z,19Z-docosahexaenoic acid (13S,14S-epoxy-DHA). Both enzymes converted DHA to 14S-HpDHA, with h12-LOX having a 39-fold greater kcat/KM value (14.0 ± 0.8 s-1 μM-1) than that of h15-LOX-1 (0.36 ± 0.08 s-1 μM-1) and a 1.8-fold greater 14S-HpDHA product selectivity, 81 and 46%, respectively. However, h12-LOX was markedly less effective at producing 13S,14S-epoxy-DHA from 14S-HpDHA than h15-LOX-1, with a 4.6-fold smaller kcat/KM value, 0.0024 ± 0.0002 and 0.11 ± 0.006 s-1 μM-1, respectively. This is the first evidence of h15-LOX-1 to catalyze this reaction and reveals a novel in vitro pathway for maresin biosynthesis. In addition, epoxidation of 14S-HpDHA is negatively regulated through allosteric oxylipin binding to h15-LOX-1 and h12-LOX. For h15-LOX-1, 14S-HpDHA (Kd = 6.0 μM), 12S-hydroxy-5Z,8Z,10E,14Z-eicosatetraenoic acid (12S-HETE) (Kd = 3.5 μM), and 14S-hydroxy-7Z,10Z,12E,16Z,19Z-docosapentaenoic acid (14S-HDPAω-3) (Kd = 4.0 μM) were shown to decrease 13S,14S-epoxy-DHA production. h12-LOX was also shown to be allosterically regulated by 14S-HpDHA (Kd = 3.5 μM) and 14S-HDPAω-3 (Kd = 4.0 μM); however, 12S-HETE showed no effect, indicating for the first time an allosteric response by h12-LOX. Finally, 14S-HpDHA inhibited platelet aggregation at a submicrololar concentration, which may have implications in the benefits of diets rich in DHA. These in vitro biosynthetic pathways may help guide in vivo maresin biosynthetic investigations and possibly direct therapeutic interventions.
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Affiliation(s)
- Cody Freedman
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, California 95064, United States
| | - Adrianne Tran
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, California 95064, United States
| | - Benjamin E Tourdot
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, Michigan 48109, United States
| | - Chakrapani Kalyanaraman
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of California San Francisco, San Francisco, California 94158, United States
| | - Steve Perry
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, California 95064, United States
| | - Michael Holinstat
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, Michigan 48109, United States
| | - Matthew P Jacobson
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of California San Francisco, San Francisco, California 94158, United States
| | - Theodore R Holman
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, California 95064, United States
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