Yr Athro Valerie O'Donnell
PhD, FLSW, FMedSci, OBE
- Ar gael fel goruchwyliwr ôl-raddedig
Trosolwyg
Mae ein hymchwil yn defnyddio sbectrometreg màs i ddarganfod a nodweddu lipidau (brasterau) newydd a wneir gan gelloedd imiwnedd cynhenid sy'n cylchredeg sy'n rheoleiddio amddiffyn a cheulo gwaed. Dros yr 20 mlynedd diwethaf, fe wnaethom ddarganfod teuluoedd mawr o lipidau a wneir gan gelloedd gwaed sy'n cylchredeg o'r enw ffosffolipidau ensymatig (eoxPL). Ers hynny, fe wnaethom ganolbwyntio ar weithio allan eu strwythurau, gan gynhyrchu safonau dadansoddol, sefydlu profion meintiol a nodweddu eu gweithredoedd signalau mewn thrombosis ac imiwnedd cynhenid. Mae'r lipidau hyn yn rhan ganolog o "arwyneb pro-geulo" celloedd imiwnedd cynhenid sy'n cylchredeg, sy'n ofynnol er mwyn i geulo gwaed effeithiol ddigwydd.
Yn ddiweddar, fe wnaethom ddangos sut mae lipidau bioactif a wneir gan y system imiwnedd gynhenid yn signalu en masse i hyrwyddo iachâd rheoledig mewn clwyfau: https://www.pnas.org/doi/10.1073/pnas.1814409116
Yn 2024, diffiniodd ein labordy lipidau newydd a all yrru ceulo mewn celloedd gwaed dynol, a dangosodd sut y gall ffosffolipidau penodol wella thrombosis mewn pobl ag atherosglerosis (gweler y tab Ymchwil am fwy o fanylion).
Yn 2022, fe wnaethom ddangos sut mae mitocondria yn cefnogi tynnu lipidau bioactif yn ystod llid: https://www.nature.com/articles/s41467-021-27766-8.
Fe wnaethom hefyd nodweddu cyfansoddiad lipid bilen SARS-CoV2, gan ddatgelu cyfran uchel o aminoffosffolipidau ar yr wyneb. Mae'r lipidau hyn yn pro-geulo a gallant gynorthwyo mynediad firaol, gan godi cwestiynau am eu rôl yn COVID: https://www.jlr.org/article/S0022-2275(22)00041-4/fulltext. Rydym bellach yn astudio sut i harneisio lipidau gwesteiwr i leihau gallu'r firws i heintio.
Fe wnaethom ddarganfod rôl newydd i ffosffolipasau wrth ddarparu egni i'r gell a sut mae lipidau mewn gwahanol bobl yn ymateb yn unigol i aspirin: http://www.cardiff.ac.uk/news/view/264589-understanding-the-bodys-response-to-aspirin.
Mae ein hymchwil gyfredol yn canolbwyntio ar ddeall rôl lipidau bioactif mewn llid fasgwlaidd gan gynnwys aneurysm aortig abdomenol, clefyd cardiofasgwlaidd, dementia ac iachâd clwyfau.
Rydym yn arwain yr adnodd biofeddygol rhyngwladol LIPID MAPS (www.lipidmaps.org), a ddaeth yn Adnodd Data Craidd ELIXIR ac yn aelod o'r Glymblaid Biodata Fyd-eang yn 2024, gan wasanaethu >65K o ymchwilwyr lipid yn fyd-eang. Ym mis Gorffennaf 2024, dechreuodd Grant Partneriaeth MRC ariannu LIPID MAPS, gan gynnwys consortiwm dan arweiniad Caerdydd, gyda Phrifysgolion Babraham, Caergrawnt, Caeredin ac Abertawe, a Phrifysgol California San Diego.
Ariennir ymchwil yn ein labordy gan Sefydliad Prydeinig y Galon.
Cyhoeddiad
2026
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- O'Donnell, V. B. et al. 2026. FBiosynthesis and analytics of specialized pro-resolving mediators: facts and faults. Journal of Lipid Research 101133. (10.1016/j.jlr.2026.101133)
- Naicker, B. et al. 2026. Comparing the quantitation of specialized pro-resolving mediators in plasma and serum using ELISA and LC-MS/MS. Prostaglandins, Leukotrienes and Essential Fatty Acids 209 102731. (10.1016/j.plefa.2026.102731)
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- Cockayne, L. et al. 2026. LIPID MAPS: Powering discovery in lipidomics. Science Signaling 19 (936) eaeg3389. (10.1126/scisignal.aeg3389)
- Kuliogowski, J. et al., 2026. Outcomes and future activities of the ‘Pan-European network in Lipidomics and EpiLipidomics – EpiLipidNET’. Metabolomics 22 (2) 42. (10.1007/s11306-026-02396-7)
- Tyrrell, V. J. et al. 2026. The coronavirus envelope is modulated by host inflammation and enriched in bioactive lipids required for replication. (10.1101/2025.11.03.686211)
2025
- O'Donnell, V. B. and Bochkov, V. 2025. Oxidized phospholipids in ferroptosis, immunity and inflammation. Redox Biochemistry and Chemistry 14 100061. (10.1016/j.rbc.2025.100061)
- Marques, E. et al., 2025. An inherited mitochondrial DNA mutation remodels inflammatory cytokine responses in macrophages and in vivo in mice. Nature Communications 16 10222. (10.1038/s41467-025-65023-4)
- Morgan, B. et al. 2025. Pro-Coagulant Lipids in Physiological Ratios Found in the Activated Platelet Membrane Do Not Impact Clot Structure or Fibrinolysis in Purified Assays. Journal of Blood Medicine 16 , pp.509-521. (10.2147/jbm.s527558)
- O’Donnell, V. B. 2025. Recent updates in mammalian oxylipin biochemistry. Journal of Biological Chemistry 301 (10) 110629. (10.1016/j.jbc.2025.110629)
- Thomas, C. P. et al. 2025. 12/15-lipoxygenase orchestrates murine wound healing via PPARγ-activating oxylipins acting holistically to dampen inflammation. Proceedings of the National Academy of Sciences 122 (36) e2502640122. (10.1073/pnas.2502640122)
- Costa, D. O. et al. 2025. Circulating membrane aminophospholipids contribute to thrombotic risk in rheumatoid arthritis.. Journal of Lipid Research 66 (7) 100842. (10.1016/j.jlr.2025.100842)
- Smith, K. A. et al. 2025. Helminth-induced prostaglandin signalling and dietary shifts in PUFA metabolism promote colitis-associated cancer. Journal of Lipid Research 66 (7) 100837. (10.1016/j.jlr.2025.100837)
- Schebb, N. H. et al., 2025. Technical recommendations for analyzing oxylipins by liquid chromatography–mass spectrometry. Science Signaling 18 (887) eadw1245. (10.1126/scisignal.adw1245)
- Goepp, M. et al., 2025. Age-related impairment of intestinal inflammation resolution through an eicosanoid-immune-microbiota axis. Cell Host & Microbe 33 (5), pp.671-687. (10.1016/j.chom.2025.04.014)
- Protty, M. B. et al. 2025. Aspirin modulates generation of procoagulant phospholipids in cardiovascular disease, by regulating LPCAT3.. Journal of Lipid Research 66 (1) 100727. (10.1016/j.jlr.2024.100727)
- Ghorasaini, M. et al., 2025. A method for analysis of oxidized phospholipids from biological samples using mass spectrometry. In: Giera, M. and Sánchez-López, E. eds. Methods in Molecular Biology. Vol. 2855, New York, NY, USA: Springer. , pp.155-169. (10.1007/978-1-0716-4116-3_10)
2024
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- Protty, M. B. et al. 2024. Thrombin generation is associated with extracellular vesicle and leukocyte lipid membranes in atherosclerotic cardiovascular disease. Arteriosclerosis, Thrombosis, and Vascular Biology 44 (9), pp.2038-2052. (10.1161/ATVBAHA.124.320902)
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- Witting, M. et al., 2024. Challenges and perspectives for naming lipids in the context of lipidomics. Metabolomics 20 (1) 15. (10.1007/s11306-023-02075-x)
2023
- O’Donnell, V. B. et al. 2023. Failure to apply standard limit-of-detection or limit-of-quantitation criteria to specialized pro-resolving mediator analysis incorrectly characterizes their presence in biological samples. Nature Communications 14 (1) 7172. (10.1038/s41467-023-41766-w)
- Conroy, M. J. et al. 2023. LIPID MAPS: Update to databases and tools for the lipidomics community. Nucleic Acids Research gkad896. (10.1093/nar/gkad896)
- Schönichen, C. et al., 2023. Antagonistic roles of human platelet integrin αIIbβ3 and chemokines in regulating neutrophil activation and fate on arterial thrombi under flow. Arteriosclerosis, Thrombosis, and Vascular Biology 43 , pp.1700-1712. (10.1161/ATVBAHA.122.318767)
- Czyzowska, A. et al., 2023. Elevated phospholipid hydroperoxide glutathione peroxidase (GPX4) expression modulates oxylipin formation and inhibits age-related skeletal muscle atrophy and weakness. Redox Biology 64 102761. (10.1016/j.redox.2023.102761)
- Millrine, D. et al., 2023. Th1 cells alter the inflammatory signature of IL-6 by channeling STAT transcription factors to Alu-like retroelements. The Journal of Immunology 211 (2), pp.274-286. (10.4049/jimmunol.2300114)
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- Sarmad, S. et al., 2023. A proposed framework to evaluate the quality and reliability of targeted metabolomics assays from the UK Consortium on Metabolic Phenotyping (MAP/UK). Nature Protocols (10.1038/s41596-022-00801-8)
- O'Donnell, V. B. 2023. Lipidomics moves to center stage of biomedicine. Function 4 (1) zqac071. (10.1093/function/zqac071)
2022
- Ni, Z. et al., 2022. Guiding the choice of informatics software and tools for lipidomics research applications. Nature Methods 20 (2), pp.193-204. (10.1038/s41592-022-01710-0)
- Brown, J. L. et al., 2022. Lipid hydroperoxides and oxylipins are mediators of denervation induced muscle atrophy. Redox Biology 57 102518. (10.1016/j.redox.2022.102518)
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- Saud, Z. et al. 2022. The SARS-CoV2 envelope differs from host cells, exposes pro-coagulant lipids, and is disrupted in vivo by oral rinses. Journal of Lipid Research 63 (6) 100208. (10.1016/j.jlr.2022.100208)
- Protty, M. B. et al. 2022. The role of procoagulant phospholipids on the surface of circulating blood cells in thrombosis and haemostasis. Open Biology 12 (4) 210318. (10.1098/rsob.210318)
- Schebb, N. H. et al., 2022. Formation, signaling and occurrence of specialized pro-resolving lipid mediators - What is the evidence so far?. Frontiers in Pharmacology 13 838782. (10.3389/fphar.2022.838782)
- O'Donnell, V. B. 2022. New appreciation for an old pathway: the Lands Cycle moves into new arenas in health and disease. Biochemical Society Transactions 50 (1), pp.1-11. (10.1042/BST20210579)
- Misheva, M. et al. 2022. Oxylipin metabolism is controlled by mitochondrial β-oxidation during bacterial inflammation. Nature Communications 13 (1) 139. (10.1038/s41467-021-27766-8)
2021
- Chakraborty, M. et al. 2021. nSeP: immune and metabolic biomarkers for early detection of neonatal sepsis-protocol for a prospective multicohort study. BMJ Open 11 (12) e050100. (10.1136/bmjopen-2021-050100)
- Diskin, C. et al., 2021. The Trypanosome-derived metabolite indole-3-pyruvate inhibits prostaglandin production in macrophages by targeting COX2. Journal of Immunology 207 (10), pp.2551-2560. (10.4049/jimmunol.2100402)
- Diskin, C. et al., 2021. 4-Octyl-Itaconate and Dimethyl Fumarate Inhibit COX2 Expression and Prostaglandin Production in Macrophages. Journal of Immunology 207 (10), pp.2561-2569. (10.4049/jimmunol.2100488)
- Köfeler, H. C. et al., 2021. Quality control requirements for the correct annotation of lipidomics data. Nature Communications 12 (1) 4771. (10.1038/s41467-021-24984-y)
- Chan, M. V. et al., 2021. Identification of a homozygous recessive variant in PTGS1 resulting in a congenital aspirin-like defect in platelet function. Haematologica 106 (5), pp.1423-1432. (10.3324/haematol.2019.235895)
- Alvarez-Jarreta, J. et al. 2021. LipidFinder 2.0: advanced informatics pipeline for lipidomics discovery applications. Bioinformatics 37 (10), pp.1478-1479. (10.1093/bioinformatics/btaa856)
- Crittenden, S. et al., 2021. Prostaglandin E2 promotes intestinal inflammation via inhibiting microbiota-dependent regulatory T cells. Science Advances 7 (7) eabd7954. (10.1126/sciadv.abd7954)
- Gaud, C. et al., 2021. BioPAN: a web-based tool to explore mammalian lipidome metabolic pathways on LIPID MAPS. F1000Research 10 (4)(10.12688/f1000research.28022.1)
- Tyrrell, V. J. et al. 2021. Lipidomic and transcriptional analysis of the Linoleoyl-omega-Hydroxyceramide biosynthetic pathway in human psoriatic lesions. Journal of Lipid Research 62 100094. (10.1016/j.jlr.2021.100094)
2020
- Liebisch, G. et al., 2020. Update on LIPID MAPS classification, nomenclature and shorthand notation for MS-derived lipid structures. Journal of Lipid Research 61 , pp.1539-1555. (10.1194/jlr.S120001025)
- Hajeyah, A. A. et al. 2020. The biosynthesis of enzymatically oxidized lipids. Frontiers in Endocrinology 11 591819. (10.3389/fendo.2020.591819)
- O'Donnell, V. B. et al. 2020. Steps Toward Minimal Reporting Standards for Lipidomics Mass Spectrometry in Biomedical Research Publications. Circulation: Genomic and Precision Medicine 13 (6) e003019. (10.1161/CIRCGEN.120.003019)
- Rosas, M. et al. 2020. The procoagulant activity of tissue factor expressed on fibroblasts is increased by tissue factor-negative extracellular vesicles. PLoS ONE 15 (10) e0240189. (10.1371/journal.pone.0240189)
- Ipseiz, N. et al. 2020. Tissue‐resident macrophages actively suppress IL‐1beta release via a reactive prostanoid/IL‐10 pathway. EMBO Journal 39 (14) e103454. (10.15252/embj.2019103454)
- Meckelmann, S. W. et al. 2020. Metabolic dysregulation of the lysophospholipid/autotaxin axis in the chromosome 9p21 gene SNP rs10757274. Circulation: Genomic and Precision Medicine 13 (3), pp.149-164. e002806. (10.1161/CIRCGEN.119.002806)
- O'Donnell, V. B. et al. 2020. Potential role of oral rinses targeting the viral lipid envelope in SARS-CoV-2 infection. Function 1 (1) zqaa002. (10.1093/function/zqaa002)
2019
- Doll, S. et al., 2019. FSP1 is a glutathione-independent ferroptosis suppressor. Nature 575 , pp.693-698. (10.1038/s41586-019-1707-0)
- Gallagher, H. et al. 2019. Dihimo-γ-linolenic acid inhibits several key cellular processes associated with atherosclerosis. BBA - Molecular Basis of Disease 1865 (9), pp.2538-2550. (10.1016/j.bbadis.2019.06.011)
- Hinz, C. et al., 2019. A comprehensive UHPLC ion mobility QTOF method for profiling and quantification of eicosanoids, other oxylipins and fatty acids. Analytical Chemistry 91 (13), pp.8025-8035. (10.1021/acs.analchem.8b04615)
- Kornilov, A. et al., 2019. Revising the structure of a new eicosanoid from human platelets to 8,9-11,12-diepoxy-13- hydroxy-eicosadienoic acid. Journal of Biological Chemistry 294 , pp.9225-9238. (10.1074/jbc.RA119.008915)
- Allen-Redpath, K. et al. 2019. Phospholipid membranes drive abdominal aortic aneurysm development through stimulating coagulation factor activity. Proceedings of the National Academy of Sciences 116 (16), pp.8038-8047. (10.1073/pnas.1814409116)
- Evans, R. J. et al., 2019. 15-keto-prostaglandin E₂ activates host peroxisome proliferator-activated receptor gamma (PPAR-γ) to promote Cryptococcus neoformans growth during infection. PLoS Pathogens 15 (3) e1007597. (10.1371/journal.ppat.1007597)
- O'Donnell, V. et al. 2019. Enzymatically-oxidized phospholipids assume center-stage as essential regulators of innate immunity and cell death. Science Signaling 12 (574) eaau2293. (10.1126/scisignal.aau2293)
- Fahy, E. et al., 2019. LipidFinder on LIPID MAPS: peak filtering, MS searching and statistical analysis for lipidomics. Bioinformatics 35 (4), pp.685-687. (10.1093/bioinformatics/bty679)
- O'Donnell, V. et al. 2019. LIPID MAP: Serving the next generation of lipid researchers with tools, resources, data and training. Science Signaling 12 (563) eaaw2964. (10.1126/scisignal.aaw2964)
2018
- Vliet, A. v. d. et al., 2018. Rust never sleeps: the continuing story of the Iron Bolt. Free Radical Biology and Medicine 124 , pp.353-357. (10.1016/j.freeradbiomed.2018.06.017)
- O'Donnell, V. , Rossjohn, J. and Wakelam, M. J. O. 2018. Phospholipid signaling in innate immune cells. The Journal of Clinical Investigation 128 (7), pp.2670-2679. (10.1172/JCI97944)
- Freeman, B. A. , O'Donnell, V. B. and Schopfer, F. J. 2018. The discovery of nitro-fatty acids as products of metabolic and inflammatory reactions and mediators of adaptive cell signaling. Nitric Oxide: Biology and Chemistry 77 , pp.106-111. (10.1016/j.niox.2018.05.002)
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- Walker, J. et al., 2018. Aspirin: 120 years of innovation. A report from the 2017 Scientific Conference of the International Aspirin Foundation, 14 September 2017, Charité, Berlin. ecancermedicalscience 12 813. (10.3332/ecancer.2018.813)
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- O'Donnell, V. B. 2018. Gus Born: scientific reflections of later years, inspiring the next generation of blood researchers. Platelets 29 (8), pp.763-765. (10.1080/09537104.2018.1534948)
2017
- Zhao, J. et al., 2017. Preferential Generation of 15-HETE-PE Induced by IL-13 Regulates Goblet Cell Differentiation in Human Airway Epithelial Cells. American Journal of Respiratory Cell and Molecular Biology 57 (6)(10.1165/rcmb.2017-0031OC)
- Lauder, S. N. et al. 2017. Networks of enzymatically oxidized membrane lipids support calcium-dependent coagulation factor binding to maintain hemostasis. Science Signaling 10 (507) eaan2787. (10.1126/scisignal.aan2787)
- Lue, H. et al., 2017. Metabolic reprogramming ensures cancer cell survival despite oncogenic signaling blockade. Genes and Development 31 , pp.2067-2084. (10.1101/gad.305292.117)
- Uderhardt, S. et al., 2017. Enzymatic lipid oxidation by eosinophils propagates coagulation, hemostasis and thrombotic disease. Journal of Experimental Medicine 214 (7), pp.2121-2138. (10.1084/jem.20161070)
- O'Donnell, V. B. and Murphy, R. C. 2017. Directing eicosanoid esterification into phospholipids. Journal of Lipid Research 58 (5), pp.837-839. (10.1194/jlr.C075986)
- O'Connor, A. et al. 2017. LipidFinder: a computational workflow for discovery of lipids identifies eicosanoid-phosphoinositides in platelets. JCI Insight 2 (7), pp.e91634. (10.1172/jci.insight.91634)
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- Lauder, S. N. et al. 2017. Myeloid 12/15-LOX regulates B cell numbers and innate immune antibody levels in vivo. Wellcome Open Research 2 (1)(10.12688/wellcomeopenres.10308.1)
2016
- Liao, C. et al. 2016. IL-10 differentially controls the infiltration of inflammatory macrophages and antigen-presenting cells during inflammation. European Journal of Immunology 46 (9), pp.2222-2232. (10.1002/eji.201646528)
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- Bascoul-Colombo, C. et al., 2016. Dietary DHA supplementation causes selective changes in phospholipids from different brain regions in both wild type mice and the Tg2576 mouse model of Alzheimer's disease. Biochimica et Biophysica Acta Molecular and Cell Biology of Lipids 1861 (6), pp.524-537. (10.1016/j.bbalip.2016.03.005)
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- Stokes, C. A. et al., 2016. Human rhinovirus-induced inflammatory responses are inhibited by phosphatidylserine containing liposomes. Mucosal Immunology 9 (5), pp.1303-1316. (10.1038/mi.2015.137)
2015
- Freeman, P. et al. 2015. Changes in platelet function independent of pharmacotherapy following coronary intervention in non-ST-elevation myocardial infarction patients. Atherosclerosis 243 (1), pp.320-327. (10.1016/j.atherosclerosis.2015.09.024)
- McCully, M. L. et al. 2015. Skin metabolites define a new paradigm in the localization of skin tropic memory T cells. Journal of Immunology 195 (1), pp.96-104. (10.4049/jimmunol.1402961)
- Percy, C. L. et al., 2015. Correcting thrombin generation ex vivo using different haemostatic agents following cardiac surgery requiring the use of cardiopulmonary bypass. Blood Coagulation and Fibrinolysis 26 (4), pp.357-367. (10.1097/MBC.0000000000000243)
- Etling, E. B. et al., 2015. Lipoxygenase metabolite profile in human airway epithelial cells (HAECs) [Abstract]. American Journal of Respiratory and Critical Care Medicine 191 (S1) A1279. (10.1164/ajrccm-conference.2015.191.1_meetingabstracts.a1279)
- Ravi, S. et al., 2015. Metabolic plasticity in resting and thrombin activated platelets. PLoS ONE 10 (4) e0123597. (10.1371/journal.pone.0123597)
- Morgan, A. H. et al., 2015. A novel role for 12/15-lipoxygenase in regulating autophagy. Redox Biology 4 , pp.40-47. (10.1016/j.redox.2014.11.005)
2014
- Friedmann Angeli, J. P. et al., 2014. Inactivation of the ferroptosis regulator Gpx4 triggers acute renal failure in mice. Nature Cell Biology 16 , pp.1180-1191. (10.1038/ncb3064)
- Mathie, S. A. et al., 2014. Alveolar macrophages are sentinels of murine pulmonary homeostasis following inhaled antigen challenge. Allergy 70 (1), pp.80-89. (10.1111/all.12536)
- Rosas, M. et al. 2014. The transcription factor Gata6 links tissue macrophage phenotype and proliferative renewal. Science 344 (6184), pp.645-648. (10.1126/science.1251414)
- Fielding, C. A. et al. 2014. Interleukin-6 signaling drives fibrosis in unresolved inflammation. Immunity 40 (1), pp.40-50. (10.1016/j.immuni.2013.10.022)
- O'Donnell, V. , Murphy, R. C. and Watson, S. P. 2014. Platelet lipidomics: modern day perspective on lipid discovery and characterization in platelets. Circulation Research 114 (7), pp.1185-1203. (10.1161/CIRCRESAHA.114.301597)
- Thomas, C. P. et al. 2014. Identification and quantification of aminophospholipid molecular species on the surface of apoptotic and activated cells. Nature Protocols 9 (1), pp.51-63. (10.1038/nprot.2013.163)
2013
- Aldrovandi, M. and O'Donnell, V. B. 2013. Oxidized PLs and vascular inflammation. Current Atherosclerosis Reports 15 (5), pp.1989-1996. 323. (10.1007/s11883-013-0323-y)
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Ymchwil
Metrigau
Google Scholar H-mynegai 75. Dyfyniadau 3,581 yn 2024, cyfanswm o 37.5K dyfyniadau
Dychwelodd cyhoeddiadau yn RAE2002, RAE2008 a REF2014 gyda 7 wedi'u hadolygu'n allanol yn 3-4* yn REF2014, arweiniol neu gyd-awdur ar 9 cyhoeddiad a ddychwelwyd yn REF2021.
Dangosodd ein hastudiaeth ddiweddar a gyhoeddwyd yn PNAS fod cyfryngwyr lipid yn signalu yn gyfannol yn amgylchedd cymhleth clwyf i drefnu iachâd trwy drawsgormes PPARg (Thomas et al).
1. Thomas, CP, Tyrrell, VJ, Burston, JJ, Johnson, SRC, Aldrovandi, M, Alvarez-Jarreta, J, Inglis, R, Leonard, A, Fice, L, Costales, J, Vidal-Puig, A, Protty, M, Guy, C, Andrews, R, Szomolay, B, Cossins, B, Cardus Figueras, A, Carobbio, S, Jones, SA, O'Donnell, VB. (2025) 12/15-Lipoxygenase orchestrates murine wound healing through plenty PPARg-activating mono-hydroxyoxylipins acting together to dampen inflammation Proc Natl Acad Sci USA 122 (36) e2502640122, https://doi.org/10.1073/pnas.250264012.
Ymchwil ddiweddar o'n labordy (2024-)
Mae ein darganfyddiadau diweddar yn cynnwys lipid procoagulant newydd a geir mewn platennau a leukocytes sy'n uchel mewn atherosglerosis (Hajeyah et al). Fe wnaethom hefyd ymestyn ein gwybodaeth am rolau eoxPL a PL eraill mewn risg thrombotig mewn atherosglerosis (Prottey et al, JLR ac ATVB). Rydym yn parhau i ymchwilio i rolau lipidau signalau bioactif wrth yrru risg thrombotig a bioleg thrombosis mewn clefyd fasgwlaidd a llid, ac fe'n cael eu hariannu'n bennaf gan Grant Rhaglen Sefydliad Prydain y Galon, a Grant Partneriaeth MRC (i LIPID MAPS).
1. Hajeyah, AA, Protty, MB, Paul, D, Costa, D, Omidvar, N, Morgan, B, Iwasaki, Y, McGill, B, Jenkins, PV, Yousef, Z, Allen-Redpath, K, Soyama, S, Choudhury, A, Mitra, R, Yaqoob, P, Morrissey, JH, Collins PW, O'Donnell, VB. (2024) Mae phosphatidylthreonine yn lipid procoagulant a ganfuwyd mewn gwaed dynol ac sy'n cael ei ddyrchafu mewn clefyd rhydwelïau coronaidd. J Lipid Res, 65, 100484
2. Protty, MB, Tyrrell, VJ, Hajeyah, AA, Morgan, B, Costa, C, Li, Y, Choudhury, A, Mitra, R, Bosanquet, D, Reed, A, Denisenko, IK, Nagata, K, Shindou, H, Cravatt, BF, Poole, AW, Shimizu, T, Yousef, Z, Collins, PW, ac O'Donnell, VB (2024). Mae aspirin yn modiwleiddio cynhyrchu ffosffolipidau procoagulant mewn clefyd cardiofasgwlaidd, trwy reoleiddio LPCAT3. J Lipid Res, 100727, https://doi.org/10.1016/j.jlr.2024.100727
3. Protty, MB, Tyrrell, VJ, Allen-Redpath, K, Soyama, S, Hajeyah, AA, Costa, D, Choudhury, AA, Costa, D, Choudhury, A, Mitra, R, Sharman, A, Yaqoob, P, Jenkins PV, Yousef, Z, Collins, PW, O'Donnell, VB. Mae cynhyrchu thrombin yn gysylltiedig â pilenni lipid fesigl allgellog a leukocyte mewn clefyd cardiofasgwlaidd atherosglerotig (2024) Atherosglerosis Thrombosis a Bioleg Fasgwlaidd Cyfrol 44, Rhif 9 https://doi.org/10.1161/ATVBAHA.124.32090
Cyhoeddwyd sawl papur sefyllfa ac adolygiadau ym meysydd dadansoddi ac offer lipidomeg, a chyfrannwyd at dreial cylch ar sefydlu profion clinigol mewn lipidomeg. Rhestrir detholiad isod.
1. Torta, F, ... O'Donnell, VB, Orešič, M, Ramanathan, A, Riols, F, Saigusa, D, Schock, TB, Schwartz-Zimmermann, H, Shui, G, Singh, M, Takahashi, M, Thorteindóttir, M, Tomiyasu, N, Tournadre, A, Tsugawa, H, Tyrrell, J, van der Gugten, G, Wakelam, MO, Wheelock, CE, Wolrab, D, Zu, G, Xu, T, Bowden, JA, Ekroos, K, Ahrends, R, Wenk, MR. (2024) Crynodiadau sy'n deillio o ceramidau rhyng-labordy mewn deunyddiau cyfeirio plasma dynol trwy safonau dilys Cyfathrebu Natur 15, 8562, https://doi.org/10.1038/s41467-024-52087-x
2. Kopczynski, D, ... O'Donnell, VB, Saigusa, D, Schwudke, D, Schevchenko, A, Torta, F, Vizcaíno, JA, Welti, R, Wenk, MR, Wolrab, D, Xia, Y, Ekroos, K, Ahrends, R, Liebisch, G. Y rhestr wirio adrodd lipidomeg: fframwaith ar gyfer tryloywder arbrofion lipidomig ac ailddefnyddio data adnoddau. J Lipid Res. doi.org/10.1016/j.jlr.2024.100621
3. Allen, NE, Lacey, B, Lawlor, DA, Pell, JP, Gallacher, J, Smeeth, L, Elliott, P, Matthews, PM, Lyons, RA, Whetton, AD, Lucassen, A, Hurles, ME, Chapman, M, Roddam, AW, Fitzpatrick NK, Hansell, AL, Hardy, R, Marioni, RE, O'Donnell, VB, Williams, J, Lindgren, CM, Effingham, M, Sellors, J, Danesh, J, Collins, R. (2024) Darpar ddylunio astudiaeth a dadansoddi data yn UK Biobank Science Translational Med 16 (729), EADF4428
4. Conroy, MJ, Andrews, RM, Andrews, S, Cockayne, L, Dennis, EA, Fahy, E, Gaud, C, Griffiths, WJ, Jukes, G, Kolchin, M, Mendivelso, K, Lopez-Clivijo, AF, Ready, C, Subramaniam, S, O'Donnell, VB. (2023) MAPIAU LIPID: diweddariad i gronfeydd data ac offer ar gyfer y gymuned lipidomeg. Ymchwil Asidau Niwclëig. GKAD896, https://doi.org/10.1093/nar/gkad896
2020-2023
Canolbwyntiodd astudiaethau ar ddeall sut mae tynnu mitochondrial oxylipins yn cael ei reoli yn ystod llid. Fe wnaethom nodi genynnau sy'n cael eu huwchreoleiddio i ddarparu metaboledd uwch trwy b-ocsidiad yn dilyn sefydlu llid in vivo neu in vitro a datgelu rôl newydd i'r ensym carnitin palmitoyl transferase 1 (CPT1) yn y broses hon (Misheva et al). Wedi'i ariannu gan BBSRC, fe wnaethom ddarparu'r nodweddiad cyntaf o gyfansoddiad lipid SARS-CoV2, gan ddatgelu bilen gyfoethog ffosffolipid sy'n uchel mewn colesterol a gyda thua 50% o'r AG a'r PS wedi'i allanoli ar yr wyneb allanol (Saud et al). Mae gan y gwaith hwn oblygiadau i'n dealltwriaeth o sut mae'r firws yn rhyngweithio â chelloedd lletyol i drosglwyddo haint. Gyda Maria Fedorova a chydweithwyr, fe wnaethom gyhoeddi canllaw offer ar gyfer lipidomeg ar LIPID MAPS (Ni et al), a chyfrannu at osod canllawiau rhyngwladol ar gyfer Lipidomics trwy bapur canllaw (McDonald et al). Datgelodd sbectrometreg màs lawer o ceramidau newydd sy'n bresennol yn y croen a newidiwyd mewn psoriasis (Tyrrell et al).
- Ni, Z, Wölk, M, Jukes, G, Mendivelso Espinosa, K, Ahrends, R, Aimo, L, Alvarez-Jarreta, J, Andrews, S, Bridge, A, Clair, GC, Conroy, MJ, Kopczyinki, D, Korf, A, Lopez-Clavijo, AF, Malik, A, Miranda Ackerman, J, Molenaar, MR, O'Donovan, C, Pluskal, T, Shevchenko, A Slenter, D, Siuzdak, G, Kutmon, M, Tsugawa, H, Willighagen, EL, Xia, J, O'Donnell, VB a Fedorova, M. (2023) Llywio'r dewis o feddalwedd ac offer gwybodeg ar gyfer cymwysiadau ymchwil biofeddygol lipidomeg. Dulliau Natur https://doi.org/10.1038/s41592-022-01710-0, 20 (2), 193-204
- McDonald, JG, Ejsing, CS, Kopczynski, D, Holčapek, M, Aoki, J, Arita, M, Arita, M, Baker, ES, Bertrand-Michel, J, Bowden, JA, Brügger, B, Ellis, SR, Fedorova, M, Griffiths, WG, Han, X, Hartler, J, Hoffmann, N, Koelmel, JP, Köfeler, HC, Mitchell, TW, O'Donnell, VB, Saigusa, D, Schwudke, D, Shevchenko, A, Ulmer, CZ, Wenk, MR, Witting, M, Wolrab, D, Xia, Y, Ahrends, R, Liebisch G, ac Ekroos, K. (2022) Cyflwyno'r Rhestr Wirio Adrodd Lleiaf Lipidomics. Metaboledd Natur (sylw). https://doi.org/10.1038/s42255-022-00628-3
- Saud, Z, Tyrrell, VJ Protty, M, Statkute, E, Rubina, A, Bentley, K, White, D, Rodrigues, PDS, Murphy, RC, Köfeler, H, Griffiths, WJ, Alvarez-Jarreta, J, Newcombe, RG, Heyman, J, Pritchard, M, McLeod, RWJ, Arya, A, Lynch, CA, Owens, D, Buurma, NJ, O'Donnell, VB, Thomas, DW, Stanton, RJ. Mae'r amlen SARS-CoV2 yn datgelu lefelau uchel o lipidau pro-geulo a gellir ei anactifadu gan rinsiadau llafar sy'n cynnwys syrffactydd yn COVID19 (2022) J Lipid Res (J Lipid Res 2022 Ebrill 15; 100208. doi: 10.1016/j.jlr.2022.100208)
- Misheva, M, Kotzamanis, K, Davies, L, Tyrrell, VJ, Rodrigues, PRRS, Benavides, GA, Hinz, C, Murphy, RC, Kennedy, P, Taylor, PR, Rosas, M, Jones, SA, Deshpande, S, Andrews, R, Czubala, MA, Gurney, M, Aldrovandi, M, Meckelmann, SW, Ghazal, P, Darley-Usmar, VM, White, D, O'Donnell, VB (2022) Mae metaboledd Oxylipin yn cael ei reoli gan b-ocsidiad mitocondrial yn ystod llid bacteriol. Nat Commun 13, 139 (2022).
- Tyrrell, VJ, Ali, F, Boeglin, WE, Andrews, R, Burston, J, Birchall, JC, Ingram, J, Murphy, RC, Piguet V, Brash AR, O'Donnell VB, Thomas CP. (2021) Dadansoddiad lipidomig a thrawsgrifio o'r llwybr biosynthetig Linoleoyl-omega-Hydroxyceramide mewn briwiau psoriatig dynol J Lipid Res (Mehefin 22; 100094. doi: 10.1016 / j.jlr.2021.100094)
2017-2020
Yn ystod y tair blynedd diwethaf, fe wnaethom ddangos bod eoxPL yn chwarae rôl reoleiddiol yn natblygiad aneurysm aortig abdomenol ac y gallant adfer diffygion haemostatig mewn amodau diffyg ffactor ceulo. Fe wnaethom hefyd ddangos metaboledd lysoffolipid wedi'i newid mewn math etifeddol gyffredin o glefyd cardiofasgwlaidd. Trwy gydweithredu, gwnaethom gefnogi llawer o astudiaethau allanol ar rolau lipidau bioactif mewn clefydau llidiol. Mae meddalwedd a gynhyrchir yn ein labordy a ariennir gan ERC wedi'i hymgorffori yng nghyfres o offer LIPID MAPS ar gyfer dadansoddi data lipidomeg. Adnewyddwyd ein grant Rhaglen BHF yn 2020. Astudiaethau sy'n archwilio sut y gellid targedu lipidau ar gyfer anactifadu firaol mewn COVID19 dechreuwyd in vitro ac in vivo mewn cydweithrediad â chydweithwyr yn y Sefydliad Ymchwil Imiwnedd Systemau. Gyda chydweithwyr LIPID MAPS rydym wedi datblygu canllawiau newydd ar gyfer cyhoeddiadau cyfnodolion a chonfensiynau enwi lipidau.
- O'Donnell, VB, FitzGerald, GA, Murphy, RC, Liebisch, G, Dennis, EA, Quehenberger, O, Subramaniam, S, Wakelam, MJO (2020) Camau tuag at safonau adrodd lleiaf ar gyfer sbectrometreg màs lipidomeg mewn cyhoeddiadau ymchwil biofeddygol Cylchrediad: Genomeg a Meddygaeth Manwl (yn y wasg)
- Alvarez-Jarreta, J, Fahy, E, O'Connor, A, Price, A, Benton, P, Siuzdak, G, Rodrigues, PRS, Hawksworth, JA, Valdivia-Garcia, M, Allen, SM, O'Donnell, VB (2020) LipidFinder 2.0: piblinell gwybodeg uwch ar gyfer cymwysiadau darganfod lipidomeg Biowybodeg (yn y wasg), hefyd ar BioRxiv: https://doi.org/10.1101/2020.08.16.250878
- Ipsiez, N, Pickering, RJ, Rosas, M, Tyrrell, VJ, Davies, LC, Orr, SJ, Czubala, MA, Fathalla, D, Robertson, AAB, Bryant, CE, O'Donnell, VB, Taylor, PR (2020) Mae macroffagau preswyl meinwe yn atal rhyddhau IL-1beta yn weithredol trwy lwybr prostanoid / IL-10 adweithiol. EMBO J (2020) 39: e103454
- Meckelmann, SW, Hawksworth, JI, White, D, Andrews, R, Rodrigues, P, O'Connor, A, Alvarez-Jarreta, J, Tyrrell, VJ, Hinz, C, Zhou, Y, Williams, J, Aldrovandi, M, Watkins, WJ, Engler, AJ, Lo Sardo, V, Slatter, DA, Allen, SM, Acharya, J, Mitchell, J, Cooper, J, Aoki, J, Kano, K, Humphries, SE, ac O'Donnell, VB. (2020) Camreoleiddio metabolig echel lysoffosffolipid / autotaxin yn y genyn cromosom 9p21 SNP rs10757274 Cylchrediad: Genomeg a Meddygaeth Manwl ( https://doi.org/10.1161/CIRCGEN.119.002806)
- O'Donnell, VB, Thomas, D, Stanton, R, Maillard, JY, Murphy, RC, Jones, SA, Humphreys, I, Wakelam, MJO, Fegan, C, Wise, MP, Bosch, A, Stattar, SA Rôl bosibl rinsiadau llafar sy'n targedu'r amlen lipid firaol mewn haint SARS-CoV-2. (2020) SWYDDOGAETH. https://doi.org/10.1093/function/zqaa002
- Doll, S, Freitas, FP, Shah, R, Costa da Silva, M, Ingold, I, Grocin, AG, Panzilius, E, Scheel, C, Mourao, A, Buday, K, Wanninger, J, Vignane, T, Mohana, V, Rehberg, M, Schepers, A, O'Donnell, VB, Aldrovandi, M, Kurz, A, Sauer, M, Sattler, M, Tate, EW, Proneth, B, Schmitz, W, Schulze, A, Popowicz, G, Pratt, D, Friedmann Angeli, JP, Conrad, M (2019) Mae FSP1 yn atalydd ferroptosis annibynnol ar glutathione Natur doi: 10.1038 / s41586-019-1707-0
- Allen-Redpath, K, Aldrovandi, M, Lauder, S, Gketsopoulou, A. Tyrrell, VJ, Slatter, DA, Andrews, R, Watkins, WJ, Atkinson, G, McNeill, E, Gilfedder, A, Protty, M, Burston, J, Johnson, SRC, Rodrigues, PRS, Jones, DO, Lee, R, Handa, A, Channon, K, Obaji, S, Alvarez-Jarreta, J, Krönke, G, Ackermann, J, Jenkins, PV, Collins, PW ac O'Donnell, VB. (2019) Mae pilenni ffosffolipid yn gyrru datblygiad aneurysm aortig abdomenol trwy ysgogi gweithgaredd ffactor ceulo. Proc Natl Acad Sci, UDA 116 (16) 8038-8047 https://doi.org/10.1073/pnas.1814409116
- Slatter, DA, Percy, CL, Allen-Redpath, K, Gajsiewicz, J, Brooks, NJ, Clayton, A, Tyrrell, VJ, Lauder, SN, Watson, A, Dul, M, Garcia-Diaz, Y, Aldrovandi, M, Heurich, M, Hall, J, Morrissey, JH, Lacroix-Desmazes, S, Delignat, S, Jenkins, PV, Collins, PW ac O'Donnell, VB (2018) Mae ffosffolipidau wedi'u ocsideiddio yn ensymatig yn adfer ffurfio clot gwaed mewn diffyg ffactor VIII trwy weithgareddau ffactor ategol ar arwynebau bilen J Clin Invest Insight 3 (6): e98459. https://doi.org/10.1172/jci.insight.98459
- O'Donnell, VB, Rossjohn, J, Wakelam, MJO (2018) Signalau ffosffolipid mewn celloedd imiwnedd cynhenid. J Clin Buddsoddi 128 (7): 2670-2679 https://doi.org/10.1172/JCI97944.
2007-2017
Ers 2007, mae ein grŵp wedi darganfod nifer fawr o lipidau a wneir gan blatennau dynol, niwtroffilau a monocytau, trwy'r llwybrau lipoxygenase a cyclooxygenase. Rydym wedi dangos y gall y lipidau hyn imiwnedd cynhenid gan gynnwys hyrwyddo ceulo gwaed, signalau imiwnedd a gweithgareddau gwrthfacterol leukocytes. Maent yn perthyn i deuluoedd ffosffolipidau wedi'u ocsideiddio yn ensymatig (eoxPL), ac mae eu cenhedlaeth uchel i'w gael mewn clefyd thrombotig dynol, tra bod eu diffyg yn arwain at ddiffygion gwaedu ac amddiffyniad rhag llid fasgwlaidd. Gwneir y gwaith hwn mewn cydweithrediad â'r Athro Peter Collins a Dr Vince Jenkins (Prifysgol Cymru).
- Lauder, SN, Allen-Redpath, K, Slatter, DA, Aldrovandi, M, O'Connor, A, Farewell, D, Percy, CL, Molhoek, JE, Rannikko, S, Tyrrell, VJ, Ferla, S, Milne, GL, Poole, AW, Thomas, CP, Obaji, S., Taylor, PR, Jones, SA, de Groot, PG, Urbanus, RT, Horkko S, Uderhardt, S, Ackermann, J, Jenkins, PV, Brancale, A, Kroenke, G, Collins, PW ac O'Donnell, VB (2017) Mae rhwydweithiau o lipidau pilen ocsidedig ensymatig yn cefnogi rhwymo ffactor ceulo calsiwm - dibynnol i gynnal hemostasis. Signalau Gwyddoniaeth Cyfrol 10, Rhifyn 507, eaan2787, DOI: 10.1126 / scisignal.aan2787
- O'Connor, A, Brasher, C, Slatter, DA, Meckelmann, SW, Hawksworth, JI, Allen, SM, O'Donnell, VB. (2017), Mae LipidFinder, llif gwaith cyfrifiadurol ar gyfer darganfod lipidau yn nodi eicosanoid-phosphoinositidau newydd mewn platennau. J Clin Buddsoddi Mewnwelediad 2 (7): e91634. doi:10.1172/jci.insight.91634
- Slatter, DA, Aldrovandi, M, O'Connor, A, Allen, S, Brasher, C, Murphy, RC, Meckelmann, S, Ravi, S, Darley-Usmar, V ac O'Donnell, VB. (2016) Mae mapio'r lipidom platennau dynol yn datgelu ffosffolipase cytosolig A2 fel rheoleiddiwr bioegnegni mitochondrial yn ystod actifadu. Metaboledd Celloedd 23, 930-934, gyda sylwebaeth gan FitzGerald, GA, Lipidomics platennau dynol: amrywiant, delweddu, fflwcs a thanwydd. 23, 757-759
- Hammond VJ, Morgan, AH, Thomas, CP, Brown, S, Freeman, BA, Lloyd, CM, Davies, J, Bush, A, Levonen, AL, Kansanen, E, Villacorta, L, Chen, YE, Porter, N, Garcia Diaz, YM, Schopfer, FJ & O'Donnell, VB (2012) Mae ceto-ffosffolipidau newydd yn cael eu cynhyrchu gan monocytau a macroffagau, wedi'u canfod mewn ffibrosis systig ac yn actifadu derbynnydd-g wedi'i actifadu gan amlhau perocsisom. J Biol Chem 287, 41651–41666.
- O'Donnell, VB, Murphy, RC. Teuluoedd newydd o ffosffolipidau ocsidedig bioactif a gynhyrchir gan gelloedd imiwnedd: gweithredoedd adnabod a signalau. (2012) Gwaed 120, 1985-1992
- Clark, SR, Guy, CJ., Scurr, MJ, Thomas, CP, Coles, B., Roberts, G, Eberl, M., Jones, SA, Topley, N, Kotceha, S. and O'Donnell, VB (2011) Mae eicosanoidau esterified yn cael eu cynhyrchu'n acíwt gan 5-lipoxygenase mewn niwtroffiliau dynol cynradd ac mewn haint dynol a murine" Gwaed 117, 2033-2043
1999-2007
Ar ôl cyrraedd Caerdydd, diffiniais gyda fy nghydweithwyr sut y gall ocsidiad lipid wedi'i gyfryngu gan ensymau fasgwlaidd reoli pwysedd gwaed in vitro ac in vivo. Mae'r prif ganfyddiadau'n cynnwys dangos sut mae lipoxygenases cellog a cyclooxygenases yn bwyta ocsid nitrig yn catalytig sy'n arwain at vasoconstriction a sut mae niwtroffiliau yn patrolio'r fasgwleiddio gan gynnal pwysedd gwaed trwy dllachu llid a achosir gan facterialau.
- Morton, J., Coles, B., Wright, K., Gallimore, A., Morrow, JD, Terry, ES, Anning PB, Morgan, BP, Dioszeghy, V., Kuhn, H., Chaitidis, P, Hobbs, A., Jones, SA ac O'Donnell, VB. (2008) "Mae niwtroffiliau sy'n cylchredeg yn cynnal pwysedd gwaed ffisiolegol trwy atal bacteria a mynegiant iNOS sy'n ddibynnol ar IFNg yn fasgwleiddio llygod iach" Gwaed 111, 5187-94
- Anning, PB, Coles, B., Wang, H., Morrow, JD, Dey, SK, Marnett, LJ ac O'Donnell, VB (2006) "Mae angen tynnu ocsid nitrig ar gyfer effeithiau gorbwysedd a prothrombotig ataliad COX-2 in vivo." Gwaed 108, 4059-4062
- Williams, PC, Coffey, MJ, Coles, B., Sanchez, S., Morrow, JD, Cockcroft, JR, Lewis, MJ ac O'Donnell, VB "Mae ychwanegiad aspirin in vivo yn atal defnydd ocsid nitrig gan blatennau dynol." (2005) Gwaed 106, 2737-2743
- Coffey, MJ, Chumley, PH, Coles, B., Natarajan, R., Thimmalapura, P., Nowell, M., Kühn, H., Lewis, MJ, Freeman, BA ac O'Donnell, VB (2001) "Defnydd catalytig o ocsid nitrig gan 12/15-Lipoxygenase: Atal Actifadu Cyclase Guanylate Hydawdd Monocyte." Proc. Natl. Acad. Sci. UDA 98, 8006-8011
1996-1999
Tra'n gweithio ym Mhrifysgol Alabama yn Birmingham, gweithiais gyda labordy Freeman i nodweddusut mae llwybrau ocsid nitrig a lipid ocsideiddio yn croestorri (cyhoeddwyd yn JBC, Biocemeg), diffinio llwybrau biocemegol newydd i synthesis nitrolipid, a dangos bod gan y lipidau hyn weithredoedd gwrthlidiol cryf.
- O'Donnell, VB, Taylor, KP, Parthasarathy, S., Kühn, H., Koesling, D., Friebe, A., Bloodsworth, A., Darley-Usmar, VM a Freeman, BA (1999) "Mae 15-Lipoxygenase yn bwyta ocsid nitrig yn gatalytig ac yn amharu ar actifadu cyclase guanylate" J. Biol. Chem 274, 20083-20091
- O'Donnell, VB, Eiserich, JP, Darley-Usmar, VM, Chumley, PH, Kirk, M., Barnes, S. a Freeman, BA (1999) Nitradu lipid annirlawn gan rywogaethau nitrogen adweithiol sy'n deillio o ocsid nitrig, peroxynitrite, nitrogen deuocsid, asid nitraidd ac ïon nitroniwm" Chem. Res. Toxicol. 12, 83-92
- Coles, B., Bloodsworth, A., Clark, SR, Lewis, MJ, Cross, AR, Freeman, BA ac O'Donnell, VB (2002) "Mae nitrolinoleate yn atal mynegeion lluosog o swyddogaeth niwtroffilau" Circ. Res 91, 375-381 (Golygyddol, Freedman, J. "Lipidau nitradig, diffinio eu bioweithgaredd" (2002) Circ. Res. 91, 371-372)
- Coles, B., Bloodsworth, A., Eiserich, JP, Coffey, MJ, McLaughlin, RM, Giddings, JC, Lewis, MJ, Haslam, RJ, Freeman, BA ac O'Donnell, VB (2002) "Mae nitrolinoleate yn atal actifadu platennau trwy wanhau mobileiddio calsiwm ac ysgogi ffosffoprotein wedi'i ysgogi gan vasodilator (VASP) trwy ddyrchafiad cAMP" J. Biol. Chem 277, 5832-5840
1990-1996
Astudiais ym Mhrifysgol Berne, y Swistir ar Gymrodoriaeth Marie Curie (1994-1996). Diffiniais fecanweithiau cynhyrchu radicalau rhydd mitochondrial. Roedd fy PhD ym Mhrifysgol Bryste (1990-1993) yn canolbwyntio ar nodweddu gweithredu ensymatig cyfansoddion iodoniwm fel atalyddion flavoenzyme a oedd yn cael eu datblygu fel asiantau gwrthlidiol. Fe wnes i ddarganfod bod y rhain yn atalyddion sy'n dibynnu ar drosiant, anadferadwy sy'n ffurfio adducts cofalent gyda chyd-ffactorau flavin. Mae'r atalyddion hyn yn cynrychioli rhai o'r atalyddion NADPH oxidase a ddefnyddir fwyaf o hyd heddiw.
- O'Donnell, VB, Smith, G.C.M. & Jones, O.T.G. (1994) "Cynnwys radicalau ffenyl mewn ataliad cyfansoddyn ïodoniwm o flavoenzymes". Ffarmacoleg Moleciwlaidd 46, 778-785
- O'Donnell, VB, Tew, DG, Jones, OTG, Lloegr, PJ (1993) "Astudiaethau ar fecanwaith ataliol cyfansoddion ïodoniwm gyda chyfeiriad arbennig at niwtroffil NADPH oxidase." Biocemeg. J. 290, 1, 41-49.
Addysgu
Rwy'n cyfrannu at SSCs ar gyfer ein rhaglen MBBCh, a phrosiectau UG ar gyfer myfyrwyr Ffarmacoleg Feddygol (BSc).
Rwy'n arweinydd modiwl ar gyfer y modiwl Imiwnomethodolegau yn ein MSc mewn Imiwnoleg ac yn darparu wythnos o addysgu ar sbectrometreg màs lipid.
Rwy'n fentor academaidd i fyfyrwyr UG yn y rhaglen MBBCh.
Bywgraffiad
Education:
1993 PhD Bristol University, Biochemistry
1990 BSc, University of Dublin, Trinity College, Human Nutrition and Dietetics
Anrhydeddau a dyfarniadau
Royal Society Wolfson Research Merit Awardee (2017)
ERC Advanced Investigator (2015-)
Honorary Professor, Faculty of Medicine, University of the Republic, Montevideo, since 2008.
Marie Curie Excellence Award (EU), Brussels, March 2008
Wellcome Trust University Award, Cardiff University, 2002-2007
Iron Bolt Award, Gordon Research Conference on Oxygen Radicals, 2004
Wellcome Trust RCD Fellow, Cardiff University, 1999-2002
Parker B Francis Pulmonary Fellow, University of Alabama at Birmingham, 1997-1999
European Union Marie Curie Fellow, University of Berne, Switzerland, 1995-1996
Aelodaethau proffesiynol
Arweinydd, Academia Europaea (2020-)
Arweinydd Grŵp Cyswllt, Sefydliad Babraham Caergrawnt (2020-2022)
Cymrawd yr Academi Gwyddorau Meddygol (2020-)
Cymrawd Cymdeithas Ddysgedig Cymru, Ebrill 2015 -
Aelod Cyswllt, UK DRI, UK Dementia Research Insitute (Hydref 2020-)
Athro Anrhydeddus, Cyfadran Meddygaeth, Prifysgol y Weriniaeth, Montevideo, ers 2008.
Pwyllgorau ac adolygu
Diweddar yn unig
-Aelod a Dirprwy Gadeirydd (ers 2023), Grŵp Llywio Amlafiachedd, Cyngor Ymchwil Meddygol / NIHR (2018-)
-Grŵp Llywio, Cynhadledd Ryngwladol ar Biowyddoniaeth Lipidau (ICBL) (2022-)
Grŵp Goruchwylio Strategol, UKBiobank (2022-)
-Aelod, Grŵp Cynghori ar Ddatblygu a Darganfod Ffisioleg Ymddiriedolaeth Wellcome (2022-2023)
-Grŵp Golygyddol Gweithredol, Swyddogaeth, Cymdeithas Ffisiolegol America, 2020-.
-Aelod, Panel Cyllid Offer Cyfalaf MRC, 2021-2023
-Aelod, Pwyllgor Adrannol ar gyfer Academi Gwyddorau Meddygol SC3) 2020-2023
-Aelod grŵp Rheolaeth ar gyfer y DU, ar gyfer Rhwydwaith Gweithredu COST yr UE, EpiLIPIDNET, cyd-ymgeisydd (O'Donnell)
Meysydd goruchwyliaeth
Biocemeg lipid
Ymchwil cardiofasgwlaidd
Imiwnoleg lipidau
Llid
Ymgysylltu
LIPID MAPS Database and Resource funded by Cardiff-led funding from Wellcome Trust
In 2016, the Wellcome Trust funded a £1.3M 5 yr initiative led by our group jointly with Babraham Institute, Cambridge, and University of California San Diego to fund continuation and further development of LIPID MAPS, the global online database and resource for lipid research (http://www.cardiff.ac.uk/news/view/380752-new-funding-boosts-lipidomics-research).