Dr Madusha Peiris, BSc (Hons), PhDSenior Lecturer in Enteric NeurobiologyCentre: Centre for Neuroscience, Surgery and TraumaEmail: m.peiris@qmul.ac.ukTelephone: 0207 882 2634ProfileTeachingResearchPublicationsSupervisionProfileDr Peiris completed her BSc (Hons) and PhD studies at the University of Queensland, Australia before beginning a research career in with the Neurogastroenterology group at the Wingate Institute.TeachingMBBS Year 1MBBS Year 2 MSc GastroenterologyMSc NeuroscienceResearchResearch Interests:Obesity and Appetite Regulation:Fundamental research on function of human sensorimotor cells and systems• Nutrient receptor mechanisms in the gut epithelium• Enteroendocrine communication between the gut and the CNS Understanding disease in humans• Changes in enteroendocrine cell function in obesity• Stress and neuroendocrine responsesNew diagnostics, therapies and personalized medicine• Mechanism of action of bariatric surgery• Cell-based – vagal afferent neurons and enteroendocrine cells• Organ-based – enteroendocrine-vagal-brain communication• Clinical trials of anti-obesity treatments in obese patientsRole of Microbiota in regulating enteric nervous system:Characterising the effect of microbial populations on:• Neuronal subtypes innervating the gut• Function and activity of ENS mediated processes e.g. motility, secretion and sensory signaling. • Enteroendocrine cell populations and downstream activity/interaction with ENSEnteric Nervous System:Fundamental research on function of human and mouse sensorimotor cells and systems:• Peripheral mechanisms of mechanical and chemical induced gut pain pathways.• Identification of novel molecular targets for motility, sensory and inflammatory gut disorders.Understanding molecular mechanisms of human gut diseases:• Oesophageal sensitization• Inflammatory Bowel Disease• Irritable Bowel SyndromePublicationsKey Publications Decoy bypass for appetite suppression in obese adults: role of synergistic nutrient sensing receptors GPR84 and FFAR4 on colonic endocrine cells. M Peiris, R Aktar, D Reed, V Cibert-Goton, A Zdanaviciene, W Halder, A Robinow, S Corke, H Dogra, C H Knowles, A Blackshaw. Gut. June 7 2021 (IF:19.819) Corresponding author Heartburn Sensation in Non-Erosive Reflux Disease: Pattern of Superficial Sensory Nerves Expressing TRPV1 and Epithelial Cells Expressing ASIC3 Receptors. A Ustaoglu, A Sawada, C Lee, W Lei, C Chen, R Hackett, D Sifrim, M Peiris, P Woodland*. Am J Physiol Gastrointest Liver Physiol..March 3 2021 (IF: 3.725) *Joint Senior Authors Human resident gut microbe Bacteroides thetaiotaomicronregulates colonic neuronal innervation and neurogenic function. R Aktar, N Parkar, R Stentz, L Baumard, A Parker, A Goldson, A Brion, S Carding, A Blackshaw, M Peiris. Gut Microbes, Volume 11, Issue 6, 2020. (IF: 7.740) Mechanisms of activation of mouse and human enteroendocrine cells by nutrients. E Symonds*, M Peiris*, B Chia, AJ Page, AEK Masding, V Galanakis, M Atiba, DC Bulmer, RL Young, LA Blackshaw. Gut. 64(4):618-26, 2015. Human visceral afferent recoding: Preliminary Report. M Peiris*, DC Bulmer*, M Baker, G Boundouki, S Sinha, A Hobson, K Lee, Q Aziz, CH Knowles. Gut. 60(2):204-8, 2011. (IF: 19.819) *Joint first authors Effects of obesity and gastric bypass surgery on nutrient sensors, endocrine cells, and mucosal innervation of the mouse colon. M Peiris‡, R Aktar, S Raynel, Z Hao, M Mumphrey, H-R Berthoud & LA Blackshaw. Nutrients,10(10) 1529. 2018. (IF: 4.196)‡Corresponding author The extracellular matrix glycoprotein Tenascin-X regulates peripheral sensory and motor neurones. R Aktar, M Peiris, A Fikree, V Cibert-Goton, M Walmsley, I Tough, P Watanabe, E Araujo, S Mohammed, JM Delalande, D Bulmer, SM Scott, H Cox, NC Voermans, Q Aziz, and LA Blackshaw. J Physiol. Sep;596(17):4237-4251, 2018. (IF: 5.037) Peripheral KV7 Channels Regulate Visceral Sensory Function in Mouse and Human Colon. M Peiris*‡, JR Hockley*, D Reed, E St John Smith, DC Bulmer, LA Blackshaw. Mol Pain. Jan-Dec;13:17448069-17709371, 2017 (IF:3.18, citations: 4) *Joint first authors; ‡ Corresponding author TRPM8 on mucosal sensory nerves regulates colitogenic responses by innate immune cells via CGRP. PR. de Jong, N Takahashi, M Peiris, S Bertin, J Lee, A Paniagua, DS Herdman, M Corr, LA Blackshaw and E Raz. Mucosal Immunol. 8(3):491-504, 2015. (IF 7.374) Mechanisms of activation of mouse and human enteroendocrine cells by nutrients. E Symonds*, M Peiris*, B Chia, AJ Page, AEK Masding, V Galanakis, M Atiba, DC Bulmer, RL Young, LA Blackshaw. Gut. 64(4):618-26, 2015. (IF: IF 16.658)* Joint first authors All PublicationsSupervisionCurrent: Kiran Dontamsetti (Oct 2024 - Oct 2028) Tom Leech (Sept 2021 - Sept 2025) Past: Ahsen Ustaoglu (Completed Dec 2022) Lucas Baumard (Completed Jan 2023) Harween Dogra (Completed Mar 2019)