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4. Deciphering TP53 mutant Cancer Evolution with Single-Cell Multi-Omics

Author

Alba Rodriguez-Meira, Ruggiero Norfo, Wei Xiong Wen, Agathe L. Chédeville, Haseeb Rahman, Jennifer O’Sullivan, Guanlin Wang, Eleni Louka, Warren W. Kretzschmar, Aimee Paterson, Charlotte Brierley, Jean-Edouard Martin, Caroline Demeule, Matthew Bashton, Nikolaos Sousos, Angela Hamblin, Helene Guermouche, Florence Pasquier, Christophe Marzac, François Girodon, Mark Drummond, Claire Harrison, Isabelle Plo, Sten Eirik W. Jacobsen, Bethan Psaila, Supat Thongjuea, Iléana Antony-Debré, and Adam J Mead

Subjects
endocrine system diseases, neoplasms
Abstract

SummaryTP53 is the most commonly mutated gene in human cancer, typically occurring in association with complex cytogenetics and dismal outcomes. Understanding the genetic and non-genetic determinants of TP53-mutation driven clonal evolution and subsequent transformation is a crucial step towards the design of rational therapeutic strategies. Here, we carry out allelic resolution single-cell multi-omic analysis of haematopoietic stem/progenitor cells (HSPC) from patients with a myeloproliferative neoplasm who transform to TP53-mutant secondary acute myeloid leukaemia (AML), a tractable model of TP53-mutant cancer evolution. All patients showed dominant TP53 ‘multi-hit’ HSPC clones at transformation, with a leukaemia stem cell transcriptional signature strongly predictive of adverse outcome in independent cohorts, across both TP53-mutant and wild-type AML. Through analysis of serial samples and antecedent TP53-heterozygous clones, we demonstrate a hitherto unrecognised effect of chronic inflammation, which supressed TP53 wild-type HSPC whilst enhancing the fitness advantage of TP53 mutant cells. Our findings will facilitate the development of risk-stratification, early detection and treatment strategies for TP53-mutant leukaemia, and are of broader relevance to other cancer types.

Published
2022

5. 3170 – SINGLE-CELL MULTI-OMICS RESOLVES THE EVOLUTION OF TP53-MUTANT LEUKEMIA

Author

Alba Rodriguez-Meira, Ruggiero Norfo, Wei Wen, Agathe Chedeville, Haseeb Rahman, Jennifer O'Sullivan, Guanlin Wang, Eleni Louka, Warren Kretzschmar, Aimee Paterson, Charlotte Brierley, Jean-Edouard Martin, Caroline Demeule, Matthew Bashton, Nikolaos Sousos, Angela Hamblin, Helene Guermouche, Florence Pasquier, Christophe Marzac, François Girodon, Mark Drummond, Claire Harrison, Isabelle Plo, Sten Eirik Jacobsen, Bethan Psaila, Supat Thongjuea, Iléana Antony-Debré, and Adam Mead

Subjects
Cancer Research, Genetics, Cell Biology, Hematology, Molecular Biology
Published
2022

7. Bayesian Inference Associates Rare KDR Variants with Specific Phenotypes in Pulmonary Arterial Hypertension

Author

Emilia M. Swietlik, Daniel Greene, Na Zhu, Karyn Megy, Marcella Cogliano, Smitha Rajaram, Divya Pandya, Tobias Tilly, Katie A. Lutz, Carrie C.L. Welch, Michael W. Pauciulo, Laura Southgate, Jennifer M. Martin, Carmen M. Treacy, Christopher J. Penkett, Jonathan C. Stephens, Harm J. Bogaard, Colin Church, Gerry Coghlan, Anna W. Coleman, Robin Condliffe, Christina A. Eichstaedt, Mélanie Eyries, Henning Gall, Stefano Ghio, Barbara Girerd, Ekkehard Grünig, Simon Holden, Luke Howard, Marc Humbert, David G. Kiely, Gabor Kovacs, Jim Lordan, Rajiv D. Machado, Robert V. MacKenzie Ross, Colm McCabe, Shahin Moledina, David Montani, Horst Olschewski, Joanna Pepke-Zaba, Laura Price, Christopher J. Rhodes, Werner Seeger, Florent Soubrier, Jay Suntharalingam, Mark R. Toshner, Anton Vonk Noordegraaf, John Wharton, James M. Wild, Stephen John Wort, Allan Lawrie, Martin R. Wilkins, Richard C. Trembath, Yufeng Shen, Wendy K. Chung, Andrew J. Swift, William C. Nichols, Nicholas W. Morrell, Stefan Gräf, Stephen Abbs, Lara Abulhoul, Julian Adlard, Munaza Ahmed, Timothy J. Aitman, Hana Alachkar, David J. Allsup, Philip Ancliff, Richard Antrobus, Ruth Armstrong, Gavin Arno, Sofie Ashford, William J. Astle, Anthony Attwood, Paul Aurora, Christian Babbs, Chiara Bacchelli, Tamam Bakchoul, Siddharth Banka, Tadbir Bariana, Julian Barwell, Joana Batista, Helen E. Baxendale, Phil L. Beales, David L. Bennett, Agnieszka Bierzynska, Tina Biss, Maria A.K. Bitner-Glindzicz, Graeme C. Black, Marta Bleda, Iulia Blesneac, Detlef Bockenhauer, Sara Boyce, John R. Bradley, Gerome Breen, Paul Brennan, Carole Brewer, Matthew Brown, Andrew C. Browning, Michael J. Browning, Rachel J. Buchan, Matthew S. Buckland, Teofila Bueser, Carmen Bugarin Diz, John Burn, Siobhan O. Burns, Oliver S. Burren, Nigel Burrows, Carolyn Campbell, Gerald Carr-White, Keren Carss, Ruth Casey, Mark J. Caulfield, Jenny Chambers, John Chambers, Melanie M.Y. Chan, Floria Cheng, Patrick F. Chinnery, Manali Chitre, Martin T. Christian, Jill Clayton-Smith, Maureen Cleary, Naomi Clements Brod, Elizabeth Colby, Trevor R.P. Cole, Janine Collins, Peter W. Collins, Cecilia J. Compton, H. Terence Cook, Stuart Cook, Nichola Cooper, Paul A. Corris, Nicola S. Curry, Matthew J. Daniels, Mehul Dattani, Louise C. Daugherty, John Davis, Anthony De Soyza, Sri V.V. Deevi, Timothy Dent, Charu Deshpande, Eleanor F. Dewhurst, Peter H. Dixon, Sofia Douzgou, Kate Downes, Anna M. Drazyk, Elizabeth Drewe, Daniel Duarte, Tina Dutt, J. David M. Edgar, Karen Edwards, William Egner, Melanie N. Ekani, Perry Elliott, Wendy N. Erber, Marie Erwood, Maria C. Estiu, Dafydd Gareth Evans, Gillian Evans, Tamara Everington, Hiva Fassihi, Remi Favier, Debra Fletcher, Frances A. Flinter, R. Andres Floto, Tom Fowler, James Fox, Amy J. Frary, Courtney E. French, Kathleen Freson, Mattia Frontini, Abigail Furnell, Daniel P. Gale, Vijeya Ganesan, Michael Gattens, Hossein-Ardeschir Ghofrani, J. Simon R. Gibbs, Kate Gibson, Kimberly C. Gilmour, Nicholas S. Gleadall, Sarah Goddard, Keith Gomez, Pavels Gordins, David Gosal, Jodie Graham, Luigi Grassi, Lynn Greenhalgh, Andreas Greinacher, Paolo Gresele, Philip Griffiths, Sofia Grigoriadou, Detelina Grozeva, Mark Gurnell, Scott Hackett, Charaka Hadinnapola, Rosie Hague, William M. Hague, Matthias Haimel, Matthew Hall, Helen L. Hanson, Eshika Haque, Kirsty Harkness, Andrew R. Harper, Claire L. Harris, Daniel Hart, Ahamad Hassan, Grant Hayman, Alex Henderson, Archana Herwadkar, Jonathan Hoffman, Rita Horvath, Henry Houlden, Arjan C. Houweling, Fengyuan Hu, Gavin Hudson, Aarnoud P. Huissoon, Matthew Hurles, Melita Irving, Louise Izatt, Roger James, Sally A. Johnson, Stephen Jolles, Jennifer Jolley, Dragana Josifova, Neringa Jurkute, Mary A. Kasanicki, Hanadi Kazkaz, Rashid Kazmi, Peter Kelleher, Anne M Kelly, Wilf Kelsall, Carly Kempster, Nathalie Kingston, Nils Koelling, Myrto Kostadima, Ania Koziell, Roman Kreuzhuber, Taco W. Kuijpers, Ajith Kumar, Dinakantha Kumararatne, Manju A. Kurian, Michael A. Laffan, Fiona Lalloo, Michele Lambert, Hana Lango Allen, D. Mark Layton, Claire Lentaigne, Tracy Lester, Adam P. Levine, Rachel Linger, Hilary Longhurst, Lorena E. Lorenzo, Eleni Louka, Paul A. Lyons, Bella Madan, Eamonn R. Maher, Jesmeen Maimaris, Samantha Malka, Sarah Mangles, Rutendo Mapeta, Kevin J. Marchbank, Stephen Marks, Hugh S. Markus, Hanns-Ulrich Marschall, Andrew Marshall, Mary Mathias, Emma Matthews, Heather Maxwell, Paul McAlinden, Mark I. McCarthy, Harriet McKinney, Stuart Meacham, Adam J. Mead, Sarju G. Mehta, Michel Michaelides, Carolyn Millar, Shehla N. Mohammed, Anthony T. Moore, Monika Mozere, Keith W. Muir, Andrew D. Mumford, Andrea H. Nemeth, William G. Newman, Michael Newnham, Sadia Noorani, Paquita Nurden, Jennifer O’Sullivan, Samya Obaji, Chris Odhams, Steven Okoli, Andrea Olschewski, Kai Ren Ong, S. Helen Oram, Elizabeth Ormondroyd, Willem H. Ouwehand, Claire Palles, Sofia Papadia, Soo-Mi Park, David Parry, Smita Patel, Joan Paterson, Andrew Peacock, Simon H. Pearce, Kathelijne Peerlinck, Romina Petersen, Clarissa Pilkington, Kenneth E.S. Poole, Bethan Psaila, Angela Pyle, Richard Quinton, Shamima Rahman, Anupama Rao, F. Lucy Raymond, Paula J. Rayner-Matthews, Augusto Rendon, Tara Renton, Andrew S.C. Rice, Alex Richter, Leema Robert, Irene Roberts, Sarah J. Rose, Robert Ross-Russell, Catherine Roughley, Noemi B.A. Roy, Deborah M. Ruddy, Omid Sadeghi-Alavijeh, Moin A. Saleem, Nilesh Samani, Crina Samarghitean, Alba Sanchis-Juan, Ravishankar B. Sargur, Robert N. Sarkany, Simon Satchell, Sinisa Savic, Genevieve Sayer, John A. Sayer, Laura Scelsi, Andrew M. Schaefer, Sol Schulman, Richard Scott, Marie Scully, Claire Searle, Arjune Sen, W.A. Carrock Sewell, Denis Seyres, Neil Shah, Olga Shamardina, Susan E. Shapiro, Adam C. Shaw, Keith Sibson, Lucy Side, Ilenia Simeoni, Michael A. Simpson, Matthew C. Sims, Suthesh Sivapalaratnam, Damian Smedley, Katherine R. Smith, Kenneth G.C. Smith, Katie Snape, Nicole Soranzo, Olivera Spasic-Boskovic, Simon Staines, Emily Staples, Hannah Stark, Kathleen E. Stirrups, Alex Stuckey, Petros Syrris, R. Campbell Tait, Kate Talks, Rhea Y.Y. Tan, Jenny C. Taylor, John M. Taylor, James E. Thaventhiran, Andreas C. Themistocleous, David Thomas, Ellen Thomas, Moira J. Thomas, Patrick Thomas, Kate Thomson, Adrian J. Thrasher, Chantal Thys, Marc Tischkowitz, Catherine Titterton, Cheng-Hock Toh, Ian P. Tomlinson, Matthew Traylor, Paul Treadaway, Salih Tuna, Ernest Turro, Philip Twiss, Tom Vale, Chris Van Geet, Natalie van Zuydam, Anthony M Vandersteen, Marta Vazquez-Lopez, Julie von Ziegenweidt, Annette Wagner, Quinten Waisfisz, Neil Walker, Suellen M. Walker, James S. Ware, Hugh Watkins, Christopher Watt, Andrew R. Webster, Lucy Wedderburn, Wei Wei, Steven B. Welch, Julie Wessels, Sarah K. Westbury, John-Paul Westwood, Deborah Whitehorn, James Whitworth, Andrew O.M. Wilkie, Catherine Williamson, Brian T. Wilson, Edwin K.S. Wong, Nicholas Wood, Yvette Wood, Christopher Geoffrey Woods, Emma R. Woodward, Austen Worth, Michael Wright, Katherine Yates, Patrick F.K. Yong, Timothy Young, Ping Yu, Patrick Yu-Wai-Man, Eliska Zlamalova, Russel Hirsch, R. James White, Marc Simon, David Badesch, Erika Rosenzweig, Charles Burger, Murali Chakinala, Thenappan Thenappan, Greg Elliott, Robert Simms, Harrison Farber, Robert Frantz, Jean Elwing, Nicholas Hill, Dunbar Ivy, James Klinger, Steven Nathan, Ronald Oudiz, Ivan Robbins, Robert Schilz, Terry Fortin, Jeffrey Wilt, Delphine Yung, Eric Austin, Ferhaan Ahmad, Nitin Bhatt, Tim Lahm, Adaani Frost, Zeenat Safdar, Zia Rehman, Robert Walter, Fernando Torres, Sahil Bakshi, Stephen Archer, Rahul Argula, Christopher Barnett, Raymond Benza, Ankit Desai, Veeranna Maddipati, University of Cambridge [UK] (CAM), Columbia University [New York], University of Sheffield [Sheffield], University of Cincinnati (UC), St George's, University of London, Vrije Universiteit Amsterdam [Amsterdam] (VU), Golden Jubilee National Hospital, Glasgow, Royal Free Hospital [London, UK], Heidelberg University Hospital [Heidelberg], Service de Génétique Cytogénétique et Embryologie [CHU Pitié-Salpêtrière], CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Unité de Recherche sur les Maladies Cardiovasculaires, du Métabolisme et de la Nutrition = Institute of cardiometabolism and nutrition (ICAN), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Sorbonne Université (SU), Technische Hochschule Mittelhessen - University of Applied Sciences [Giessen] (THM), Fondazione IRCCS Policlinico San Matteo, Hypertension pulmonaire : physiopathologie et innovation thérapeutique (HPPIT), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris-Saclay, Universität Heidelberg [Heidelberg], Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Imperial College London, Royal Hallamshire Hospital, University of Graz, Freeman Hospital, Royal United Hospitals Bath (RUH), Great Ormond Street Hospital for Children [London] (GOSH), Royal Papworth Hospital, Cambridge Biomedical Campus, Cambridge, United Kingdom., King‘s College London, Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Karl-Franzens-Universität [Graz, Autriche], Pulmonary medicine, ACS - Pulmonary hypertension & thrombosis, Swietlik, Emilia [0000-0002-4095-8489], Megy, Karyn [0000-0002-2826-3879], Tilly, Tobias [0000-0002-6762-5342], Stephens, Jonathan [0000-0003-2020-9330], Toshner, Mark [0000-0002-3969-6143], Morrell, Nicholas [0000-0001-5700-9792], Graf, Stefan [0000-0002-1315-8873], Apollo - University of Cambridge Repository, Unité de Recherche sur les Maladies Cardiovasculaires, du Métabolisme et de la Nutrition = Research Unit on Cardiovascular and Metabolic Diseases (ICAN), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Institut de Cardiométabolisme et Nutrition = Institute of Cardiometabolism and Nutrition [CHU Pitié Salpêtrière] (IHU ICAN), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Karl-Franzens-Universität Graz, HAL-SU, Gestionnaire, British Heart Foundation, and The Academy of Medical Sciences

Subjects
0301 basic medicine, Candidate gene, Cardiac & Cardiovascular Systems, genetic association studies, 030204 cardiovascular system & hematology, Biology, Bayesian inference, 03 medical and health sciences, 0302 clinical medicine, Missing heritability problem, pulmonary hypertension, medicine, Family history, Gene, Genetics & Heredity, Genetics, family history, Science & Technology, [SDV.MHEP] Life Sciences [q-bio]/Human health and pathology, Kinase insert domain receptor, computed tomography, General Medicine, Original Articles, medicine.disease, Pulmonary hypertension, Phenotype, 3. Good health, 030104 developmental biology, Cardiovascular System & Cardiology, ComputingMethodologies_DOCUMENTANDTEXTPROCESSING, Life Sciences & Biomedicine, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology, vascular endothelial growth factor receptor
Abstract

Supplemental Digital Content is available in the text., Background: Approximately 25% of patients with pulmonary arterial hypertension (PAH) have been found to harbor rare mutations in disease-causing genes. To identify missing heritability in PAH, we integrated deep phenotyping with whole-genome sequencing data using Bayesian statistics. Methods: We analyzed 13 037 participants enrolled in the NBR study (NIHR BioResource—Rare Diseases), of which 1148 were recruited to the PAH domain. To test for genetic associations between genes and selected phenotypes of pulmonary hypertension, we used the Bayesian rare variant association method BeviMed. Results: Heterozygous, high impact, likely loss-of-function variants in the kinase insert domain receptor (KDR) gene were strongly associated with significantly reduced transfer coefficient for carbon monoxide (posterior probability=0.989) and older age at diagnosis (posterior probability=0.912). We also provide evidence for familial segregation of a rare nonsense KDR variant with these phenotypes. On computed tomographic imaging of the lungs, a range of parenchymal abnormalities were observed in the 5 patients harboring these predicted deleterious variants in KDR. Four additional PAH cases with rare likely loss-of-function variants in KDR were independently identified in the US PAH Biobank cohort with similar phenotypic characteristics. Conclusions: The Bayesian inference approach allowed us to independently validate KDR, which encodes for the VEGFR2 (vascular endothelial growth factor receptor 2), as a novel PAH candidate gene. Furthermore, this approach specifically associated high impact likely loss-of-function variants in the genetically constrained gene with distinct phenotypes. These findings provide evidence for KDR being a clinically actionable PAH gene and further support the central role of the vascular endothelium in the pathobiology of PAH.

Published
2020

8. Carfilzomib therapy for relapsed myeloma: results of a UK multicentre experience

Author

Grant Vallance, Karthik Ramasamy, Jaimal Kothari, Julia Wolf, Huben Hubenov, Sally Moore, Mark Offer, Faouzi Djebbari, Eleni Louka, Pratap Neelakantan, and Akhil Khera

Subjects
Oncology, medicine.medical_specialty, chemistry.chemical_compound, chemistry, business.industry, Internal medicine, medicine, Hematology, business, Dose intensity, Carfilzomib
Published
2019

9. De Novo Truncating Mutations in WASF1 Cause Intellectual Disability with Seizures

Author

Yoko Ito, Keren J. Carss, Sofia T. Duarte, Taila Hartley, Boris Keren, Manju A. Kurian, Isabelle Marey, Perinne Charles, Carla Mendonça, Caroline Nava, Rolph Pfundt, Alba Sanchis-Juan, Hans van Bokhoven, Anthony van Essen, Conny van Ravenswaaij-Arts, Kym M. Boycott, Kristin D. Kernohan, Sarah Dyack, F. Lucy Raymond, Timothy Aitman, David Bennett, Mark Caulfield, Patrick Chinnery, Daniel Gale, Ania Koziell, Taco W. Kuijpers, Michael A. Laffan, Eamonn Maher, Hugh S. Markus, Nicholas W. Morrell, Willem H. Ouwehand, David J. Perry, Irene Roberts, Kenneth G.C. Smith, Adrian Thrasher, Hugh Watkins, Catherine Williamson, Geoffrey Woods, Sofie Ashford, John R. Bradley, Debra Fletcher, Tracey Hammerton, Roger James, Nathalie Kingston, Christopher J. Penkett, Kathleen Stirrups, Marijke Veltman, Tim Young, Matthew Brown, Naomi Clements-Brod, John Davis, Eleanor Dewhurst, Helen Dolling, Marie Erwood, Amy Frary, Rachel Linger, Jennifer M. Martin, Sofia Papadia, Karola Rehnstrom, Hannah Stark, David Allsup, Steve Austin, Tamam Bakchoul, Tadbir K. Bariana, Paula Bolton-Maggs, Elizabeth Chalmers, Janine Collins, Peter Collins, Wendy N. Erber, Tamara Everington, Remi Favier, Kathleen Freson, Bruce Furie, Michael Gattens, Johanna Gebhart, Keith Gomez, Daniel Greene, Andreas Greinacher, Paolo Gresele, Daniel Hart, Johan W.M. Heemskerk, Yvonne Henskens, Rashid Kazmi, David Keeling, Anne M. Kelly, Michele P. Lambert, Claire Lentaigne, Ri Liesner, Mike Makris, Sarah Mangles, Mary Mathias, Carolyn M. Millar, Andrew Mumford, Paquita Nurden, Jeanette Payne, John Pasi, Kathelijne Peerlinck, Shoshana Revel-Vilk, Michael Richards, Matthew Rondina, Catherine Roughley, Sol Schulman, Harald Schulze, Marie Scully, Suthesh Sivapalaratnam, Matthew Stubbs, R. Campbell Tait, Kate Talks, Jecko Thachil, Cheng-Hock Toh, Ernest Turro, Chris Van Geet, Minka De Vries, Timothy Q. Warner, Henry Watson, Sarah Westbury, Abigail Furnell, Rutendo Mapeta, Paula Rayner-Matthews, Ilenia Simeoni, Simon Staines, Jonathan Stephens, Christopher Watt, Deborah Whitehorn, Antony Attwood, Louise Daugherty, Sri V.V. Deevi, Csaba Halmagyi, Fengyuan Hu, Vera Matser, Stuart Meacham, Karyn Megy, Olga Shamardina, Catherine Titterton, Salih Tuna, Ping Yu, Julie von Ziegenweldt, William Astle, Marta Bleda, Stefan Gräf, Matthias Haimel, Hana Lango-Allen, Sylvia Richardson, Paul Calleja, Stuart Rankin, Wojciech Turek, Julie Anderson, Christine Bryson, Jenny Carmichael, Coleen McJannet, Sophie Stock, Louise Allen, Gautum Ambegaonkar, Ruth Armstrong, Gavin Arno, Maria Bitner-Glindzicz, Angie Brady, Natalie Canham, Manali Chitre, Emma Clement, Virginia Clowes, Patrick Deegan, Charu Deshpande, Rainer Doffinger, Helen Firth, Frances Flinter, Courtney French, Alice Gardham, Neeti Ghali, Paul Gissen, Detelina Grozeva, Robert Henderson, Anke Hensiek, Simon Holden, Muriel Holder, Susan Holder, Jane Hurst, Dragana Josifova, Deepa Krishnakumar, Melissa Lees, Robert MacLaren, Anna Maw, Sarju Mehta, Michel Michaelides, Anthony Moore, Elaine Murphy, Soo-Mi Park, Alasdair Parker, Chris Patch, Joan Paterson, Julia Rankin, Evan Reid, Elisabeth Rosser, Richard Sandford, Saikat Santra, Richard Scott, Aman Sohal, Penelope Stein, Ellen Thomas, Dorothy Thompson, Marc Tischkowitz, Julie Vogt, Emma Wakeling, Evangeline Wassmer, Andrew Webster, Sonia Ali, Souad Ali, Harm J. Boggard, Colin Church, Gerry Coghlan, Victoria Cookson, Paul A. Corris, Amanda Creaser-Myers, Rosa DaCosta, Natalie Dormand, Mélanie Eyries, Henning Gall, Pavandeep K. Ghataorhe, Stefano Ghio, Ardi Ghofrani, J. Simon R. Gibbs, Barbara Girerd, Alan Greenhalgh, Charaka Hadinnapola, Arjan C. Houweling, Marc Humbert, Anna Huis in’t Veld, Fiona Kennedy, David G. Kiely, Gabor Kovacs, Allan Lawrie, Rob V. Mackenzie Ross, Rajiv Machado, Larahmie Masati, Sharon Meehan, Shahin Moledina, David Montani, Shokri Othman, Andrew J. Peacock, Joanna Pepke-Zaba, Val Pollock, Gary Polwarth, Lavanya Ranganathan, Christopher J. Rhodes, Kevin Rue-Albrecht, Gwen Schotte, Debbie Shipley, Florent Soubrier, Laura Southgate, Laura Scelsi, Jay Suntharalingam, Yvonne Tan, Mark Toshner, Carmen M. Treacy, Richard Trembath, Anton Vonk Noordegraaf, Sara Walker, Ivy Wanjiku, John Wharton, Martin Wilkins, Stephen J. Wort, Katherine Yates, Hana Alachkar, Richard Antrobus, Gururaj Arumugakani, Chiara Bacchelli, Helen Baxendale, Claire Bethune, Shahnaz Bibi, Claire Booth, Michael Browning, Siobhan Burns, Anita Chandra, Nichola Cooper, Sophie Davies, Lisa Devlin, Elizabeth Drewe, David Edgar, William Egner, Rohit Ghurye, Kimberley Gilmour, Sarah Goddard, Pavel Gordins, Sofia Grigoriadou, Scott Hackett, Rosie Hague, Lorraine Harper, Grant Hayman, Archana Herwadkar, Aarnoud Huissoon, Stephen Jolles, Peter Kelleher, Dinakantha Kumararatne, Sara Lear, Hilary Longhurst, Lorena Lorenzo, Jesmeen Maimaris, Ania Manson, Elizabeth McDermott, Sai Murng, Sergey Nejentsev, Sadia Noorani, Eric Oksenhendler, Mark Ponsford, Waseem Qasim, Isabella Quinti, Alex Richter, Crina Samarghitean, Ravishankar Sargur, Sinisa Savic, Suranjith Seneviratne, Carrock Sewell, Emily Staples, Hans Stauss, James Thaventhiran, Moira Thomas, Steve Welch, Lisa Willcocks, Nigel Yeatman, Patrick Yong, Phil Ancliff, Christian Babbs, Mark Layton, Eleni Louka, Simon McGowan, Adam Mead, Noémi Roy, Jenny Chambers, Peter Dixon, Cecelia Estiu, Bill Hague, Hanns-Ulrich Marschall, Michael Simpson, Sam Chong, Ingrid Emmerson, Lionel Ginsberg, David Gosal, Rob Hadden, Rita Horvath, Mohamed Mahdi-Rogers, Adnan Manzur, Andrew Marshall, Emma Matthews, Mark McCarthy, Mary Reilly, Tara Renton, Andrew Rice, Andreas Themistocleous, Tom Vale, Natalie Van Zuydam, Suellen Walker, Liz Ormondroyd, Gavin Hudson, Wei Wei, Patrick Yu Wai Man, James Whitworth, Maryam Afzal, Elizabeth Colby, Moin Saleem, Omid S. Alavijeh, H. Terry Cook, Sally Johnson, Adam P. Levine, Edwin K.S. Wong, Rhea Tan, Alex MacKenzie, Jacek Majewski, Michael Brudno, Dennis Bulman, David Dyment, Freson, Kathleen, Peerlinck, Kathelijne, Van Geet, Christel, Paediatric Infectious Diseases / Rheumatology / Immunology, ARD - Amsterdam Reproduction and Development, RS: CARIM - R1.04 - Clinical thrombosis and haemostasis, MUMC+: DA CDL Algemeen (9), Med Microbiol, Infect Dis & Infect Prev, Medical Research Council (MRC), Clinical Cognitive Neuropsychiatry Research Program (CCNP), APH - Aging & Later Life, Pediatric surgery, Human genetics, ACS - Atherosclerosis & ischemic syndromes, CCA - Cancer biology and immunology, CCA - Cancer Treatment and quality of life, Pulmonary medicine, ACS - Pulmonary hypertension & thrombosis, APH - Quality of Care, and Molecular cell biology and Immunology

Subjects
0301 basic medicine, Male, Care4Rare Canada Consortium, WAVE FAMILY PROTEINS, actin cytoskeleton, PROTEIN, HDE NEU PED, medicine.disease_cause, Whole Exome Sequencing, 0302 clinical medicine, Neurodevelopmental disorder, SYNAPTIC PLASTICITY, Intellectual disability, WAVE1 complex, PLASTICITY, EXCHANGE, 11 Medical and Health Sciences, Exome sequencing, Genetics (clinical), seizures, Genetics & Heredity, Genetics, Mutation, WASF1, DENDRITIC SPINES, developmental delay, Female, DISEASE GENE-DISCOVERY, Adult, Heterozygote, GENES, DISORDERS, autism, Biology, ACTIN, 03 medical and health sciences, Young Adult, Seizures, Report, Intellectual Disability, Exome Sequencing, medicine, Humans, PROTRUSIONS, recurrent de novo truncating mutations, Neurodevelopmental disorders Donders Center for Medical Neuroscience [Radboudumc 7], COMPLEX, lamellipodia, neurodevelopmental disorder, Actin remodeling, Heterozygote advantage, NIHR BioResource, 06 Biological Sciences, medicine.disease, Actin cytoskeleton, Wiskott-Aldrich Syndrome Protein Family, 030104 developmental biology, WAVE, RETARDATION, 030217 neurology & neurosurgery
Abstract

Next-generation sequencing has been invaluable in the elucidation of the genetic etiology of many subtypes of intellectual disability in recent years. Here, using exome sequencing and whole-genome sequencing, we identified three de novo truncating mutations in WAS protein family member 1 (WASF1) in five unrelated individuals with moderate to profound intellectual disability with autistic features and seizures. WASF1, also known as WAVE1, is part of the WAVE complex and acts as a mediator between Rac-GTPase and actin to induce actin polymerization. The three mutations connected by Matchmaker Exchange were c.1516C>T (p.Arg506Ter), which occurs in three unrelated individuals, c.1558C>T (p.Gln520Ter), and c.1482delinsGCCAGG (p.Ile494MetfsTer23). All three variants are predicted to partially or fully disrupt the C-terminal actin-binding WCA domain. Functional studies using fibroblast cells from two affected individuals with the c.1516C>T mutation showed a truncated WASF1 and a defect in actin remodeling. This study provides evidence that de novo heterozygous mutations in WASF1 cause a rare form of intellectual disability. ispartof: AMERICAN JOURNAL OF HUMAN GENETICS vol:103 issue:1 pages:144-153 ispartof: location:United States status: published

Published
2018

10. The effect of obesity and dietary habits on oxidative stress in Hashimoto’s thyroiditis

Author

Maria Giannakou, Katerina Saltiki, Emily Mantzou, Eleni Loukari, Georgios Philippou, Konstantinos Terzidis, Charalampos Stavrianos, Miltiades Kyprianou, Theodora Psaltopoulou, Kalliopi Karatzi, and Maria Alevizaki

Subjects
oxidative stress, Hashimoto’s thyroiditis, obesity, dietary habits, Diseases of the endocrine glands. Clinical endocrinology, RC648-665
Abstract

Objective: Increased oxidative stress has been described in patients with Hashimoto’s thyroiditis (HT). The aim of the present study was to investigate whether high oxidative stress is further influenced by obesity and dietary habits in euthyroid women with HT. Methods: Two hundred eighteen consecutive euthyroid women with HT were studied and separated in two groups; 102 with thyroxine replacement and 114 without. For the evaluation of oxidative stress, total lipid peroxide levels in serum (TOS) were measured and recoded as ‘high TOS’ vs ‘medium/low TOS’. The type of food and consumption frequency were recorded. Two binary variables were considered; normal vs low fruit consumption and daily vs sporadic vegetable consumption. Results: ‘High TOS’ was more frequent in women under thyroxine replacement (31.4% vs 14.7%, OR = 2.7, 95% CI: 1.4–5.2). The prevalence of ‘high TOS’ was higher among overweight/obese women compared to women with normal BMI (30.4% vs 12.5%, OR = 3.1, 95% CI: 1.5–6.4). Low fruit consumption was associated with increased ‘high TOS’ prevalence (30.6% vs 12.9%, OR = 3.0, 95% CI: 1.4–6.2). Sporadic vegetable consumption was associated with increased ‘high TOS’ prevalence compared to daily consumption (29.9% vs 13.5%, OR = 2.7, 95% CI: 1.3–5.7). The examined risk factors were independent and additive in their effect on TOS. At least three risk factors had to be concomitantly present for the likelihood of ‘high TOS’ to be significantly elevated. Conclusions: Oxidative stress is increased in women with HT under thyroxine replacement. Nevertheless, normal BMI, daily fruit and vegetable consumption, all contribute in maintaining oxidative stress at low levels.

Published
2018
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