Invited Talks/Oral/ Poster Presentation
1. Invited talk. A Toxic Shrub Turned Therapeutic: Understanding the Pharmaco-Toxicological Conundrum of Oleander for Precision Pharmacology. National Conference on Recent Advances in Medicinal and Aromatic Plant Biotechnology (MAPBio-2025) Graphic Era University. Nov 10, 2025.
2. Invited talk. Mechanistic insights into Porphyromonas gingivalis-driven metabolic dysfunction-associated steatotic liver disease. IMMUNOCON 2025, MNIT, Prayagraj. Nov 19-22, 2025
3. Invited talk. Gut Microbiome-centered Strategies Against Chronic Metabolic Disease. Advanced Centre for Treatment, Research and Education in Cancer (ACTREC). 30 May, 2025
4. Invited talk. Microbes, Minds, and Neuron: How Gut Bacteria Influence Neurological Disease. ICMR-RMRCNE, Indian Immunology Society Day of Immunology. 29, April, 2025
5. Invited talk. E. coli Nissle 1917 favorably modulates gut microbiota, and its cell-free metabolites reduce lipotoxicity-mediated hepatocellular injury through Nrf2-dependent mechanism. IMMUNOCON-51, IISc, Bengaluru, 16-19 October, 2024
6. Invited talk. Interpersonal Variation of Gut Microbiome Dictates the Response to Escherichia Coli Nissle 1917. DISCOVER-2024 & SFRR-India Meeting, BARC, 06-09 November, 2024
7. Invited talk. Catechin-microbiota interaction influence intestinal immunometabolic homeostasis: Mechanistic insights from pre-clinical studies. IMMUNOCON-50, AIIMS, New Delhi, 04-08 March, 2023.
8. Invited talk. Metabolic Health Benefits of Tea: The most economically important plant of the Eastern Himalayan Region of India. International Conference on Mountain Ecosystems: Biodiversity and Adaptations Under Climate Change Scenario. Graphic Era University. 22-24 March, 2023.
9. Invited talk. Green tea extract remodels gut microbiota to ameliorate metabolic perturbations induced by long-term artificial endotoxemia. International Symposium on “Microbiomes in the Environment, Space and Human Health (31st October-2nd November 2022) IITM.
10. Invited talk. Webinar on: The role of gut microbiota in human health & disease (August 29, 2021) North Bengal St. Xavier's College.
11. Invited panelist. New Job 101 job search strategies, networking, and interview tips for aspiring professionals. (June 08, 2021). American Society of Nutrition.
12. Priyankar Dey. Deciphering intestinal 3-Ms (i.e., microbiota, metabolome & metabolism) in relation to chronic metabolic diseases. (Dec 02, 2019). Department of Zoology, University of North Bengal. Invited talk.
13. Priyankar Dey. Intestinal-level bioactivities of green tea to prevent obesity and nonalcoholic steatohepatitis. (Oct 18, 2019). The Ohio State University Interdisciplinary Nutrition Program Seminar series. USA.
14. Priyankar Dey, Bryan D. Olmstead, Geoffrey Y. Sasaki, Katie L. Stock, Yael Vodovotz, Zhongtang Yu, Richard S. Bruno. (2019) Epigallocatechin gallate but not catechin limits diet-induced nonalcoholic steatohepatitis equivalent to green tea extract regardless of different anti-obesity benefits. NUTRITION-2019. Baltimore, Maryland, USA.
15. Priyankar Dey. (2019). How micronutrients affect 3-Ms (metabolism, microbiota, metabolome) to maintain intestinal immunometabolic homeostasis and prevent chronic metabolic diseases. The Ohio State University, USA. Invited talk.
16. Priyankar Dey. (2019). The crosstalk between gut microbiota and intestinal immunometabolic homeostasis in chronic metabolic diseases. Department of Biotechnology, University of North Bengal. Invited talk.
17. Priyankar Dey. (2019). The crosstalk between catechins and 3-Ms (metabolism, microbiota, metabolome) in relation to intestinal immunometabolic homeostasis and chronic metabolic diseases. Infectious disease institute at The Ohio State University. Invited talk at seminar series.
18. Priyankar Dey. (2019). Green tea prevents obesity by alleviating gut dysbiosis in association with improved intestinal barrier function that limits endotoxin translocation. EHE Research Forum at The Ohio State University.
19. Priyankar Dey. (2018). Does it take guts to prevent NASH by green tea? Croitoru lab at Mount Sinai Hospital (Toronto, Canada). Invited ePresentation.
20. Priyankar Dey. (2018). Does it take guts to prevent NASH by green tea? Porat-Shliom Lab at National Cancer Institute (NIH, Bethesda, USA). Invited talk.
21. Priyankar Dey, Geoffrey Y. Sasaki, Ping Wei, Lingling Wang, Jinhui Li, Dana McTigue, Zhongtang Yu, Richard S. Bruno. (2018). Green tea prevents gut dysbiosis and improves intestinal barrier function to limit gut-derived endotoxin translocation to attenuate adipose TLR4/NFκB inflammation in obese mice. Annual Russ Klein Nutrition Research Symposium, The Ohio State University (Columbus, OH, USA). Poster.
22. Priyankar Dey, Geoffrey Y. Sasaki, Lingling Wang, Jinhui Li, Chureeporn Chitchumroonchokchai, Zhongtang Yu, Richard S. Bruno. (2017). Green tea extract improves microbiota composition and intestinal barrier function to prevent dietary fat-induced obesity by limiting gut-derived endotoxin translocation and adipose TLR4/NFκB inflammation. Diet and Optimum Health Conference, Oregon State University (Corvallis, OR, USA). Oral and Poster.
23. Priyankar Dey, Tapas Kumar Chaudhuri. (2015). Amelioration of haloalkane xenobiotic induced hepatic injury by the anti-inflammatory and antioxidative activities of Nerium indicum Mill. IMMUNOCON (Patna, India) Poster.
24. Priyankar Dey, Tapas Kumar Chaudhuri. Immunomodulatory activity of a chemically characterized fraction of areal tuber of Dioscorea alata L. (2015). Congress of the Federations of Immunological Societies of Asia Oceania. (Singapore). Poster.
25. Priyankar Dey, Tapas Kumar Chaudhuri. (2015). Inflammopharmacological investigations and chemical characterization of areal tuber of Dioscorea alata L. Conference on Applied Zoology in Sustainable Development: An Update, University of North Bengal (Siliguri, India). Oral.
26. Priyankar Dey, Tapas Kumar Chaudhuri. (2014). Immunomodulatory activity of Nerium indicum through anti-inflammatory activity and modulation of Th1/Th2 cytokine balance in murine splenic lymphocytes. International Symposium on Genetic Analysis: Translational and Developmental, Burdwan University (Burdwan, India). Poster.
27. Priyankar Dey, Tapas Kumar Chaudhuri. (2013). Modulation of TH1 and TH2 cytokine expression in murine spleenocytes by Nerium indicum Mill. leaves. National Conference on New Frontiers in Medicinal Plant Research, University of Sikkim (Gangtok, India). Oral.
28. Priyankar Dey. (2013). An inconvenient truth: Perils of global warming. Research Scholar’s Training Program, “Quantitative social science research and econometric methods”. University of North Bengal (Siliguri, India). Oral.
29. Priyankar Dey, Tapas Kumar Chaudhuri. (2013). Study of immunostimulatory and free-radical scavenging activity of an ethnopharmacological herb, Nerium indicum Mill. National seminar on Micro and Macro Resources In Biomolecular Technology, University of North Bengal (Siliguri, India). Poster.
30. Priyankar Dey, Tapas Kumar Chaudhuri. (2013). Study of immunostimulatory and free-radical scavenging activity of an ethnopharmacological herb, Nerium indicum Mill. National symposium on Man, Animal and Environment Interaction In The Perspective Of Modern Research, University of North Bengal (Siliguri, India). Oral.
31. Priyankar Dey, Tapas Kumar Chaudhuri. (2012). Assessment of immunostimulatory and antioxidant activity of Dioscorea alata available in North-Eastern region of India. National seminar on Recent Advances In Life Science Application, ABN Seal College (Coochbehar, India). Oral.
32. Priyankar Dey, Tapas Kumar Chaudhuri. (2012) Assessment of the immunomodulatory activity of Dioscorea alata. Congress of the Federations of Immunological Societies of Asia Oceania, All India Institute of Medical Sciences (New Delhi, India). Poster.
Contributing Author
1. Nisha Tewari, Priyankar Dey. Differentially altered phytochemical composition contributes to the pharmaco-toxicological conundrum of oleander. National Conference on Recent Advances in Medicinal and Aromatic Plant Biotechnology (MAPBio-2025) Graphic Era University. Nov 10, 2025.
2. Dwinder Sidhu, M Vasundhara, Priyankar Dey. Nanoencapsulation effectively prevents gut microbiota-dependent metabolism of epigallocatechin gallate and favorably modulates gut microbiome. National Conference on Recent Advances in Medicinal and Aromatic Plant Biotechnology (MAPBio-2025) Graphic Era University. Nov 10, 2025.
3. Dwinder Sidhu, M Vasundhara, Priyankar Dey. Nanoencapsulation effectively prevents gut microbiota-dependent metabolism of epigallocatechin gallate and favorably modulates gut microbiome. National Conference on ‘Fungi for Bharat’, 52nd annual conference of Mycology Society of India. University of Delhi. Nov 24-26, 2025.
4. Kiran Heer, Manpreet Kaur, Dwinder Sidhu, Priyankar Dey and Saumya Raychaudhuri. Modulation of gut microbiome in response to the combination of Escherichia coli Nissle 1917 and sugars: a pilot study using host-free system reflecting impact on interpersonal microbiome. The annual International Conference on Bioinformatics (InCoB). Bose Institute (India). 18 – 20th Sept 2025.
5. Dwinder Sidhu, M Vasundhara, Priyankar Dey. Isolation of catechin-producing endophytic fungi isolated from green tea leaves and their biological activities. National Conference on Fungal Frontiers: Biodiversity, Biomolecules And Bioengineering Applications For Sustainable Perspectives. (Jodhpur) 27-28 November, 2024.
6. D. Sidhu, M. Vasundhara, and P. Dey, Assessment of phytochemicals and metabolic pathways of catechin-producing endophytic fungi isolated from tea leaves. BIO3: Biotechnology, Biomanufacturing, and Bioeconomy, March 20-22, 2025, Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, Punjab, India, 2025.
7. Jyoti and P. Dey. Differentially Altered Hepatocellular Global Metabolome in Response to Endotoxemia and Lipotoxicity: BIO3: Biotechnology, Biomanufacturing, and Bioeconomy, March 20-22, 2025, Department of Biotechnology, Thapar Institute of Engineering & Technology, Patiala, Punjab, India, 2025.
8. Rasman Kaur and Priyankar Dey. Gut commensal induced modulation of the global metabolome of Caco-2 cells: BIO3: Biotechnology, Biomanufacturing, and Bioeconomy, March 20-22, 2025, Department of Biotechnology, Thapar Institute of Engineering & Technology, Patiala, Punjab, India, 2025
9. Dwinder Sidhu, M Vasundhara, Priyankar Dey. Phytochemical fingerprinting and deciphering the metabolic pathways of catechin-producing endophytic fungi isolated from the leaves of Camellia sinensis (L.) Kuntze. International conference on "Biodiversity, Biotechnology and Bioprospects of Fungi for Agricultural, Industrial and Environmental Sustainability" (BBBFAIES-2024) 06-08 March, 2024
10. Jia Pei Chan, Richard Bruno, Adam Davey, Priyankar Dey, Elizabeth Johnson, Mary, Ann Johnson, Matthew Kuchan, Peter Nelson, Leonard Poon, Jirayu Tanprasetsuk, John Woodard (2023). P27-006-23 Brain Alpha-Tocopherol Stereoisomer Profile Is Associated With Body Mass Index and Alzheimer's Disease Pathology in Centenarians. Nutrition 2023. Current Developments in Nutrition. 7:101213
11. Sisi Cao, William R. Quarles, Emily L. Shaw, Geoffrey Y. Sasaki, Priyankar Dey, Joanna K. Hodges, Avinash Pokala, Richard S. Bruno (2021). Daily inclusion of potatoes into a dietary guideline for Americans-based dietary pattern does not adversely impact cardiometabolic risk in adults with metabolic syndrome. Nutrition 2021.
12. Xiaowei Sun, Priyankar Dey, Richard S. Bruno, Jiangjiang (Chris) Zhu. (2019). Investigating the metabolic impact of green tea extract and its major constitutes on gut microbial metabolism in obese mice model. Ohio Mass Spectrometry and Metabolomics Symposium (Columbus, OH, USA). Poster
13. Matthew J Kuchan, Sookyoung Jeon, Katherine M Ranard, Suzette Pereira, Karen Schimpf, Priyankar Dey, Martha Neuringer, Richard S Bruno, John W Erdman Jr. (2019). Brain α-tocopherol stereoisomer profile is differentially impacted by mode of feeding and source of α-tocopherol in infant rhesus macaques. Linus Pauling Institute 2019 Conference. (Oregon, USA)
14. Bryan D. Olmstead, Priyankar Dey, Geoffrey Y. Sasaki, Richard S. Bruno. (2019). Purified green tea catechins irrespective of a gallate moiety prevent high-fat diet-induced NASH to a similar extent as green tea extract. EHE Research Forum at The Ohio State University (Columbus, OH, USA). Poster.
15. Bryan D. Olmstead, Priyankar Dey, Geoffrey Y. Sasaki, Richard S. Bruno. (2019). Dietary supplementation of epigallocatechin gallate but nit catechin protects against diet-induced nonalcoholic steatohepatitis in mice to a similar extent as green tea extract. Annual Russ Klein Nutrition Research Symposium, The Ohio State University (Columbus, OH, USA). Poster.
16. Katie Stock, Maria Balch, Priyankar Dey, Hallie Harris, Geoffrey Y. Sasaki, Austin Ezzone, Cameron Rink, Richard Bruno. (2019). Dietary gamma-tocopherol supplementation increases brain gamma-tocopherol accumulation without alleviating infraction severity in stroke-induced lean and obese mice. Annual Russ Klein Nutrition Research Symposium, The Ohio State University (Columbus, OH, USA). Poster.
17. Katie Stock, Hallie Harris, Priyankar Dey, Maria Balch, Cameron Rink, Richard Bruno. (2019). Dietary γ-tocopherol supplementation reduces stroke severity in lean mice. Edward F. Hayes Graduate Research Forum at The Ohio State University. Poster presentation.
18. Katie Stock, Hallie Harris, Priyankar Dey, Maria Balch, Cameron Rink, Richard Bruno. (2019). Dietary γ-tocopherol supplementation reduces stroke severity in lean mice. EHE Research Forum at The Ohio State University. Poster presentation.
19. Haley Chatelaine, Priyankar Dey, Richard S. Bruno, Rachel E. Kopec. (2018). A combined targeted and untargeted LC-MS approach to determining postprandial fat-soluble vitamin and lipid levels in metabolic syndrome and healthy subjects. Ohio Mass Spectrometry and Metabolomics Symposium (Columbus, OH).
20. Haley Chatelaine, Priyankar Dey, Richard S. Bruno, Rachel E. Kopec. (2018). The impact of metabolic syndrome on fat soluble vitamin uptake. Annual Meeting of the American Society of Nutrition (Boston, USA). Poster.
21. Haley Chatelaine, Priyankar Dey, Richard S. Bruno, Rachel E. Kopec. (2018). Correlation between chylomicron concentration and fat-soluble vitamin uptake in metabolic syndrome and healthy subjects. Annual Russ Klein Nutrition Research Symposium, The Ohio State University (Columbus, OH, USA). Poster.
22. Katie Stock, Hallie Harris, Priyankar Dey, Maria Balch, Cameron Rink, Richard Bruno. (2018). Dietary γ-tocopherol supplementation reduces stroke severity in lean but not obese mice. 15th Annual Russ Klein Nutrition Research Symposium (The Ohio State University, USA). Poster.
23. Joshua D. McDonald, Priyankar Dey, Bryan D. Olmstead, Frederick A. Villamena, Jeff S. Volek, Richard S. Bruno. (2017). Dairy milk, regardless of fat content, protects against postprandial hyperglycemia-mediated oxidative stress, dysregulated arginine metabolism and increases in endothelin-1 in prediabetic adults. Diet and Optimum Health Conference, Oregon State University (Corvallis, OR, USA). Poster.
24. Joshua D McDonald, Chureeporn Chitchumroonchokchai, Priyankar Dey, Priyankar Dey, Jeff S Volek, Kevin Ballard, Richard S Bruno. (2017). Whey and casein in non-fat dairy milk protect against postprandial hyperglycemia-mediated dysregulated arginine metabolism in prediabetic adults. Experimental Biology (Chicago, US). Poster.
25. Robert M. Duguid, Craig W. Berry, Priyankar Dey, Richard S. Bruno, Kevin D. Ballard. (2017). Effects of prior aerobic exercise on flow mediated dilation responses to prolonged sitting in healthy men. Annual meeting of American College of Sports Medicine (Denver, Colorado, US). Poster.
26. Manas Ranjan Saha, Priyankar Dey, Indrani Sarkar, Pallab Kar, Dilip De Sarkar, Sajal Das, Biswajit Haldar, Tapas Kumar Chaudhuri, Arnab Sen. (2016). Acacia nilotica (L.) Delile could be a potential drug combating diabetes: an evidence based and in-silico approach. Advanced Technologies and Treatments for Diabetes conference (Paris, Italy). Poster.
27. Pallab Kar, Priyankar Dey, Arvind Kumar Misra, Tapas Kumar Chaudhuri, Arnab Sen. (2015). Characterization of bioactive compounds found in selected actinorhizal fruits of northeast India. International Meeting on Frankia and Actinorhizal Plants (Montpellier, France). Poster.