Cyril Eleftheriou

Principal Scientist, Expert in Neuroscience and Bioengineering

Research Expertise

Neuroscience
vision
machine-learning
nanomedicine
biomaterials

About

Resourceful and highly enthusiastic research scientist with a diverse cultural and multidisciplinary background. A valuable team player having contributed to scientific research on fundamental and translational projects in the UK, Italy and the USA. I’m also an effective communicator who enjoys collaborating with, training and learning from colleagues. I have focused my career around four heavily interconnected fields: Visual Neuroscience, Neuro-electronic interfacing, retinal rescue and microscopy. Visual Neuroscience: Focused on elucidated the intricacies of the visual system, I have investigated retinal and cortical circuits using a variety of approaches, including in vivo electrophysiology, ex vivo optophysiology/Multi-electrode arrays, and immunohistochemistry. My contributions focused mostly on the influence of melanopsin signaling in retinal coding. Neuro-electronic interfacing: Dedicated to the seamless integration of neural tissue (neurons, glia, vascular system) with computational equipment (electrodes, nano-particles, optogenetics, chemogenetics), I have investigated the biophysical, molecular and ultra-structural properties of this interface in both fundamental and translational projects. Retinal rescue: Dedicated to the study and treatment of retinal dystrophies, I have worked on an array of degeneration models (Diabetic Retinopathy, P23H, CRX, RD1, RS1, RD10, RCS), and investigated cutting edge treatment strategies (optogenetics, nano-particles, bio-electronic prostheses, low molecular weight compounds, biologics). Microscopy: For the past 15 years, I have been at the forefront of developing cutting-edge structural and neurophysiological imaging techniques. These innovative assays have been successfully applied across a diverse spectrum of scales: from investigating intricate biological interactions at the nanoscopic level using electron microscopy to mapping the complex neuro-glio-vascular interactions of hundreds of retinal cells through multiphoton imaging.

Publications

Restoration of Vision with Ectopic Expression of Human Rod Opsin

Current Biology / Aug 01, 2015

Cehajic-Kapetanovic, J., Eleftheriou, C., Allen, A. E., Milosavljevic, N., Pienaar, A., Bedford, R., Davis, K. E., Bishop, P. N., & Lucas, R. J. (2015). Restoration of Vision with Ectopic Expression of Human Rod Opsin. Current Biology, 25(16), 2111–2122. https://doi.org/10.1016/j.cub.2015.07.029

Subretinally injected semiconducting polymer nanoparticles rescue vision in a rat model of retinal dystrophy

Nature Nanotechnology / Jun 29, 2020

Maya-Vetencourt, J. F., Manfredi, G., Mete, M., Colombo, E., Bramini, M., Di Marco, S., Shmal, D., Mantero, G., Dipalo, M., Rocchi, A., DiFrancesco, M. L., Papaleo, E. D., Russo, A., Barsotti, J., Eleftheriou, C., Di Maria, F., Cossu, V., Piazza, F., Emionite, L., … Benfenati, F. (2020). Subretinally injected semiconducting polymer nanoparticles rescue vision in a rat model of retinal dystrophy. Nature Nanotechnology, 15(8), 698–708. https://doi.org/10.1038/s41565-020-0696-3

Semiconductor Nanorod–Carbon Nanotube Biomimetic Films for Wire-Free Photostimulation of Blind Retinas

Nano Letters / Oct 31, 2014

Bareket, L., Waiskopf, N., Rand, D., Lubin, G., David-Pur, M., Ben-Dov, J., Roy, S., Eleftheriou, C., Sernagor, E., Cheshnovsky, O., Banin, U., & Hanein, Y. (2014). Semiconductor Nanorod–Carbon Nanotube Biomimetic Films for Wire-Free Photostimulation of Blind Retinas. Nano Letters, 14(11), 6685–6692. https://doi.org/10.1021/nl5034304

An Induced Pluripotent Stem Cell Model of Hypoplastic Left Heart Syndrome (HLHS) Reveals Multiple Expression and Functional Differences in HLHS-Derived Cardiac Myocytes

Stem Cells Translational Medicine / Mar 03, 2014

Jiang, Y., Habibollah, S., Tilgner, K., Collin, J., Barta, T., Al-Aama, J. Y., Tesarov, L., Hussain, R., Trafford, A. W., Kirkwood, G., Sernagor, E., Eleftheriou, C. G., Przyborski, S., Stojković, M., Lako, M., Keavney, B., & Armstrong, L. (2014). An Induced Pluripotent Stem Cell Model of Hypoplastic Left Heart Syndrome (HLHS) Reveals Multiple Expression and Functional Differences in HLHS-Derived Cardiac Myocytes. Stem Cells Translational Medicine, 3(4), 416–423. https://doi.org/10.5966/sctm.2013-0105

Neuronal firing modulation by a membrane-targeted photoswitch

Nature Nanotechnology / Feb 03, 2020

DiFrancesco, M. L., Lodola, F., Colombo, E., Maragliano, L., Bramini, M., Paternò, G. M., Baldelli, P., Serra, M. D., Lunelli, L., Marchioretto, M., Grasselli, G., Cimò, S., Colella, L., Fazzi, D., Ortica, F., Vurro, V., Eleftheriou, C. G., Shmal, D., Maya-Vetencourt, J. F., … Benfenati, F. (2020). Neuronal firing modulation by a membrane-targeted photoswitch. Nature Nanotechnology, 15(4), 296–306. https://doi.org/10.1038/s41565-019-0632-6

Photoreceptive retinal ganglion cells control the information rate of the optic nerve

Proceedings of the National Academy of Sciences / Nov 28, 2018

Milosavljevic, N., Storchi, R., Eleftheriou, C. G., Colins, A., Petersen, R. S., & Lucas, R. J. (2018). Photoreceptive retinal ganglion cells control the information rate of the optic nerve. Proceedings of the National Academy of Sciences, 115(50). https://doi.org/10.1073/pnas.1810701115

Retina-specific targeting of pericytes reveals structural diversity and enables control of capillary blood flow

May 31, 2020

Ivanova, E., Corona, C., Eleftheriou, C. G., Bianchimano, P., & Sagdullaev, B. T. (2020). Retina-specific targeting of pericytes reveals structural diversity and enables control of capillary blood flow. https://doi.org/10.1101/2020.05.29.124586

Of neurons and pericytes: The neuro-vascular approach to diabetic retinopathy

Visual Neuroscience / Jan 01, 2020

Eleftheriou, C. G., Ivanova, E., & Sagdullaev, B. T. (2020). Of neurons and pericytes: The neuro-vascular approach to diabetic retinopathy. Visual Neuroscience, 37. https://doi.org/10.1017/s0952523820000048

Melanopsin Driven Light Responses Across a Large Fraction of Retinal Ganglion Cells in a Dystrophic Retina

Frontiers in Neuroscience / Apr 03, 2020

Eleftheriou, C. G., Wright, P., Allen, A. E., Elijah, D., Martial, F. P., & Lucas, R. J. (2020). Melanopsin Driven Light Responses Across a Large Fraction of Retinal Ganglion Cells in a Dystrophic Retina. Frontiers in Neuroscience, 14. https://doi.org/10.3389/fnins.2020.00320

AAV-BR1 targets endothelial cells in the retina to reveal their morphological diversity and to deliver Cx43

May 25, 2021

Ivanova, E., Corona, C., Eleftheriou, C. G., Stout, R. F., Körbelin, J., & Sagdullaev, B. T. (2021). AAV-BR1 targets endothelial cells in the retina to reveal their morphological diversity and to deliver Cx43. https://doi.org/10.1101/2021.05.25.445660

Carbon nanotube electrodes for retinal implants: a study of structural and functional integration over time

Apr 27, 2016

Eleftheriou, C. G., Zimmermann, J. B., Kjeldsen, H. D., David-Pur, M., Hanein, Y., & Sernagor, E. (2016). Carbon nanotube electrodes for retinal implants: a study of structural and functional integration over time. https://doi.org/10.1101/050633

Optogenetic Stimulation of Cholinergic Amacrine Cells Improves Capillary Blood Flow in Diabetic Retinopathy

Investigative Opthalmology & Visual Science / Aug 25, 2020

Ivanova, E., Bianchimano, P., Corona, C., Eleftheriou, C. G., & Sagdullaev, B. T. (2020). Optogenetic Stimulation of Cholinergic Amacrine Cells Improves Capillary Blood Flow in Diabetic Retinopathy. Investigative Opthalmology & Visual Science, 61(10), 44. https://doi.org/10.1167/iovs.61.10.44

Restoration of vision with ectopic expression of human rod opsin

The Lancet / Feb 01, 2017

Kapetanovic, J. C., Eleftheriou, C., Allen, A., Milosavljevic, N., Pienaar, A., Bedford, R., Davis, K., Bishop, P., & Lucas, R. (2017). Restoration of vision with ectopic expression of human rod opsin. The Lancet, 389, S30. https://doi.org/10.1016/s0140-6736(17)30426-9

Retinoschisin deficiency induces persistent aberrant waves of activity affecting neuroglial signaling in the retina

Aug 28, 2021

Eleftheriou, C. G., Corona, C., Khattak, S., Ivanova, E., Bianchimano, P., Liu, Y., Sun, D., Singh, R., Batoki, J. C., McAnany, J. J., Peachey, N. S., Romano, C., & Sagdullaev, B. T. (2021). Retinoschisin deficiency induces persistent aberrant waves of activity affecting neuroglial signaling in the retina. https://doi.org/10.1101/2021.08.26.457777

A Membrane-Targeted Photoswitch Potently Modulates Neuronal Firing

Jul 22, 2019

DiFrancesco, M. L., Lodola, F., Colombo, E., Maragliano, L., Paternò, G. M., Bramini, M., Cimò, S., Colella, L., Fazzi, D., Eleftheriou, C. G., Maya-Vetencourt, J. F., Bertarelli, C., Lanzani, G., & Benfenati, F. (2019). A Membrane-Targeted Photoswitch Potently Modulates Neuronal Firing. https://doi.org/10.1101/711077

A fully organic retinal prosthesis restores vision in a rat model of degenerative blindness

Nature Materials / Mar 06, 2017

Maya-Vetencourt, J. F., Ghezzi, D., Antognazza, M. R., Colombo, E., Mete, M., Feyen, P., Desii, A., Buschiazzo, A., Di Paolo, M., Di Marco, S., Ticconi, F., Emionite, L., Shmal, D., Marini, C., Donelli, I., Freddi, G., Maccarone, R., Bisti, S., Sambuceti, G., … Benfenati, F. (2017). A fully organic retinal prosthesis restores vision in a rat model of degenerative blindness. Nature Materials, 16(6), 681–689. https://doi.org/10.1038/nmat4874

Mechanisms for Discomfort Glare in Central Vision

Investigative Ophthalmology & Visual Science / Dec 18, 2014

Bargary, G., Jia, Y., & Barbur, J. L. (2014). Mechanisms for Discomfort Glare in Central Vision. Investigative Ophthalmology & Visual Science, 56(1), 464–471. https://doi.org/10.1167/iovs.14-15707

Structure, Function, and Pathology of Bruch's Membrane

Retina / Jan 01, 2013

Curcio, C. A., & Johnson, M. (2013). Structure, Function, and Pathology of Bruch’s Membrane. In Retina (pp. 465–481). Elsevier. https://doi.org/10.1016/b978-1-4557-0737-9.00020-5

Carbon nanotube electrodes for retinal implants: A study of structural and functional integration over time

Biomaterials / Jan 01, 2017

Eleftheriou, C. G., Zimmermann, J. B., Kjeldsen, H. D., David-Pur, M., Hanein, Y., & Sernagor, E. (2017). Carbon nanotube electrodes for retinal implants: A study of structural and functional integration over time. Biomaterials, 112, 108–121. https://doi.org/10.1016/j.biomaterials.2016.10.018

Optogenetic Modulation of Intracellular Signalling and Transcription: Focus on Neuronal Plasticity

Journal of Experimental Neuroscience / Jan 01, 2017

Eleftheriou, C., Cesca, F., Maragliano, L., Benfenati, F., & Maya-Vetencourt, J. F. (2017). Optogenetic Modulation of Intracellular Signalling and Transcription: Focus on Neuronal Plasticity. Journal of Experimental Neuroscience, 11, 117906951770335. https://doi.org/10.1177/1179069517703354

Melanopsin-Derived Visual Responses under Light Adapted Conditions in the Mouse dLGN

PLOS ONE / Mar 30, 2015

Davis, K. E., Eleftheriou, C. G., Allen, A. E., Procyk, C. A., & Lucas, R. J. (2015). Melanopsin-Derived Visual Responses under Light Adapted Conditions in the Mouse dLGN. PLOS ONE, 10(3), e0123424. https://doi.org/10.1371/journal.pone.0123424

Melanopsin-driven increases in maintained activity enhance thalamic visual response reliability across a simulated dawn

Proceedings of the National Academy of Sciences / Oct 05, 2015

Storchi, R., Milosavljevic, N., Eleftheriou, C. G., Martial, F. P., Orlowska-Feuer, P., Bedford, R. A., Brown, T. M., Montemurro, M. A., Petersen, R. S., & Lucas, R. J. (2015). Melanopsin-driven increases in maintained activity enhance thalamic visual response reliability across a simulated dawn. Proceedings of the National Academy of Sciences, 112(42). https://doi.org/10.1073/pnas.1505274112

Spatial receptive fields in the retina and dorsal lateral geniculate nucleus of mice lacking rods and cones

Journal of Neurophysiology / Aug 01, 2015

Procyk, C. A., Eleftheriou, C. G., Storchi, R., Allen, A. E., Milosavljevic, N., Brown, T. M., & Lucas, R. J. (2015). Spatial receptive fields in the retina and dorsal lateral geniculate nucleus of mice lacking rods and cones. Journal of Neurophysiology, 114(2), 1321–1330. https://doi.org/10.1152/jn.00368.2015

Education

Newcastle University

PhD, Neuroscience / July, 2013

Newcastle upon Tyne

University of Manchester

Masters, Neuroscience and AI / June, 2007

Manchester

Experience

Novartis

Principal Scientist / November, 2022Present

Gene therapy, Optical Coherence Tomography, Machine Learning, Programming, Microelectrode array, Retina, Translational Medicine, Confocal Microscopy

Burke Neurological Instiute

Director of Imaging Core / May, 2019November, 2022

Confocal Microscopy, histology, Immunohistochemistry, retinal function, hemodynamics, neuroplasticity, neuroscience

Italian Institute of Technology

Postdoctoral Scholar / November, 2016October, 2018

Neurosurgery, Optogenetics, Gene therapy, Super Resolution Microscopy, Visual Neuroscience, Neuroplasticity, Matlab, Programming, Machine Learning

University of Manchester

Postdoctoral Researcher / September, 2013June, 2016

Neuroscience, Retinal plasticity, visual function, confocal microscopy, micro-electrode array, programming, automation

Newcastle University

Postdoctoral Researcher / April, 2012September, 2013

Neuroscience, retinal plasticity, neurotech, neural implants, nanotechnology, electron microscopy, confocal microscopy, bioengineering, programming, automation

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