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Prof David Long
Room 220
Nephro-Urology Unit, UCL Institute of Child Health
30 Guilford Street
Prof David Long profile picture
  • Professor of Paediatric Nephrology
  • Developmental Biology & Cancer Dept
  • UCL GOS Institute of Child Health
  • Faculty of Pop Health Sciences

I am a Professor in PaediatricNephrology  and a Wellcome Trust Investigator in Science based in the DevelopmentalBiology and Cancer theme at the UCL Great Ormond Street Institute of Child Health (GOSICH) withexperience in the renal and vascular biology fields. My initialresearch experience was gained in the Nephro-Urology Unit at GOSICH under thesupervision of Professor Adrian Woolf as an MRC-funded PhD student. Following my PhD, I was awarded a UCL Bogue ResearchFellowship to work with Professor Richard Johnson at the University of Texas,then Florida, expanding my knowledge of models of renal disease. I returned toGOSICH and worked as a postdoctoral scientist with Professor Woolf andProfessor Paul Winyard. During this time, I developed my own researchinterests, particularly in the field of podocyte biology and diabetes, leadingto a successful grant proposal to study angiopoietin signalling in therenal glomerulus awarded as a Senior Non-Clinical Fellowship by Kidney ResearchUK in April 2008.

By obtaining further external grant funding (including a MRC New Investigator Award in 2012 and project grants as aprincipal investigator from the MRC, Kidney Research UK, Diabetes UK, KidsKidney Research and the GOSICH Children’s Charity) I developed my own researchgroup at UCL. The group has expanded to 10-12 members and I am one of the fewnon-clinical scientists leading a renal group in the UK. My work has beenrecognised nationally and internationally with over 65 published papers inhigh-impact journals including eLife, Proc Natl Acad Sci, Journal of theAmerican Society of Nephrology, Kidney International, Nature Reviews Nephrologyand Diabetes. My articles have been cited over 3750 times and I have an H-indexof 32. I have also co-edited a textbook describinginnovative Molecular Methods in Diabetic Nephropathy. I am regularly invited tolecture on my research including keynote lectures at the American Society ofNephrology, FASEB Conference on polycystic kidneys, UK Renal Association,British Microcirculation Society, Kidney Research UK Fellows Day and theInternational Thymosins Symposia. I am also a memberof the Kidney Research UK Research Grants Committee, an academic editor for thejournal PLoS One and a member of the Journal of the American Societyof Nephrology editorial board.

My most recent work is supportedby a Wellcome Trust Investigator Award in Science examining howspecialised tubes called lymphatic vessels, which clear away excess fluid,immune cells and debris, grow, work and ‘talk’ to other cells in growing ordiseased organs. Defects in lymphatics are linked to common and major diseasesincluding heart attacks, obesity, dementia, cancer and kidney disease. Our workwill use sophisticated technologies, capable of three-dimensional imaging andreading genes at cellular detail, to discern how lymphatic vessels grow andcommunicate with neighbouring cells in the kidney. We will examine how theseprocesses are impaired in polycystic kidney disease; the most common geneticrenal disorder and will attempt to restore them to normality by using alymphatic-based therapy directed to the kidney. I also lead a international consortium funded by Wellcome LEAP using regenerative medicine techniques to engineer functional human kidneys and urinary tracts.

Research Summary

I have a strong kidney translational research mission which aims to understand mechanisms which underlie kidney disease in children and adults with the goal of translating these findings for patient benefit. To do this, my group combines experimental models of kidney disease using zebrafish, transgenic mice and patient samples with innovative technologies including three-dimensional imaging, mathematical modelling, gene editing, stem cell technology and novel therapeutic approaches. Our work is important as the UK has 64,000 patients with chronic kidney disease stage 5 (CKD5) requiring either dialysis or transplantation. Life on dialysis has a shorter expectancy than for some cancers, renal transplants are in short supply and the annual cost of the UK CKD5 programme is conservatively estimated to be £1 billion or 2% of the National Health Service budget. Therefore, new treatments are urgently required for CKD5.

My laboratory has made several important contributions to the field including:

1) Pioneering VEGF-C therapy for polycystic kidney disease (PKD), a new direction for PKD treatments which had predominately focused on targeting cyst epithelia. Our manuscript (J Am Soc Nephrol 2016,27:69-77) had considerable impact and received widespread media attention. 

2) Outlining the spatial and temporal dynamics of kidney lymphatic development in mice and humans using three-dimensional confocal imaging and quantitative analysis (eLife 2019,doi: 10.7554/eLife.48183). We used the imaging pipeline to demonstrate abnormal lymphatic patterning in the early stages of PKD. This work was the basis of a recently Wellcome Trust Investigator award. 

3) Identifying molecular mechanisms which contribute to glomerular disease which may represent new treatment targets including thymosin-β4 (Kidney Int. 2016,90:1056-1070), planar cell polarity, (J Pathol. 2018,246:485- 496) soluble Nogo-B (Diabetes 2019,68:1841-1852) and pseudouridylation (PNAS 2020,117:15137-15147). Using inbred mouse strains, we also discovered that albuminuria, an early sign on glomerular damage, was associated with increased testosterone, reduced glomerular numbers, a common set of glomerular transcripts; and changes in extracellular matrix composition (Kidney Int 2013,83:1118-1129; J Am Soc Nephrol 2015,26:3021-3034). This work provided insights into why different races and genders are more susceptible to kidney disease. 

4) Finding that Celsr1, a gene involved in planar cell polarity (PCP), is required for ureteric tree growth in early development and later in gestation prevents tubule overgrowth (Kidney Int. 2016,90:1274-1284). We found an interaction between Celsr1 and Vangl2 (another PCP gene) in ureteric tree growth and discovered that these genes together are required for glomerular maturation. We also reported the first association between mutations in PCP genes and a higher incidence of renal malformations. 

5) Pioneering work examining angiopoietins in the kidney including: (i) gene therapy studies to manipulate angiopoietins in kidney injury (Kidney Int 2008,74:300-309); (ii) modulating glomerular levels of angiopoietin-1 as a therapy for diabetic nephropathy (J Am Soc Nephrol 2014,25:33-42); (iii) discovering angiopoietin-2 as a biomarker for children with kidney disease (PLoS One 2013,8:e56273). This work has led to several academic groups and pharmaceutical companies working on manipulating angiopoietins as a therapy for kidney disease.

Teaching Summary

Since 2017, I have been co-module leader (with Professor Patrizia Ferretti) of CHLD0036, the research project component of the MSc in Cell and Gene Therapy at GOSICH. I have also supervised 10 BSc and 16 MSc research and literature projects across multiple degrees at UCL. My laboratory has hosted many short-term summer students from different research backgrounds including the InScience and Brunel/GOSICH studentship schemes. Many of the placement students have gone on to obtain successful degrees and are working in scientific fields. I was also nominated in 2019 for the Outstanding Research Supervision Award as part of the UCL student choice awards.

I have supervised fifteen PhD students acting as the primary supervisor for nine of these students and line managed eleven postdoctoral fellows (one who was awarded their own Kidney Research UK Fellowship, two obtained lectureships at GOSICH and the University of Kent), three research assistants and a Wellcome Trust MD/PhD clinical fellow. I have hosted three long-term visitors for 6-12 month periods on the European Renal Association, ERAMUS fellowship and University of Leeds BSc research placement schemes.

Current PhD students in the laboratory:

Daniyal Jafree  (Co-supervisor: Prof Peter Scambler) "Unravelling the origins of the renal lymphatics." Funded by Child Health PhD studentship, GOSICH and Rosetrees Trust.

Gideon Pomeranz (Co-supervisors: Dr D Osborn, Prof A Woolf). “Drug discovery for diabetic kidney disease: using the zebrafish as a model.” Funded by Diabetes UK

Kevin Cao (Co-supervisors: Prof C Fry, Prof P Winyard). “The molecular basis of bladder dysfunction in posterior urethral valves.” Funded by Royal College of Surgeons

Lauren Russell (Co-supervisors: Prof P Winyard, Prof N Rosenblum). “Indian hedgehog, a key signalling system in kidney development and disease.” Funded by Kidney Research UK.

Saif Malik (Co-supervisor: Dr T Kalber, Dr J Chandler) “Regenerating the kidney by restoring the renal microvasculature” Funded by BBSRC LiDO program.

Tahmina Aktar (Co-supervisor: Prof L Gnudi) “Exploring the contribution of lymphatics towards diabetic kidney disease and their potential as a therapeutic target.” Funded by Diabetes UK.

Academic Background
2003   Doctor of Philosophy University College London
1999   Bachelor of Science (Honours) University of Southampton
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