Research Interest: Cerebral blood flow, microcirculation, stroke, brain injury, signaling pathways, gut-brain axis, Environmental toxicants, oxidative stress, biochemistry, nutrition, pharmacology and herbaceuticals

Research Interest: Mucosal Immunology, T cell biology, Alternative Medicine and Intestinal Inflammation

Research Interest: Pancreatology

Research Interest: Pancreatology

Research Interest: Non-Coding RNA, Epigenetics, Reprogramming, Stem Cells, Genomic Imprinting, Gene Regulation, Chromatin Interaction, Gene Targeting, Gene Therapy, Tumor Therapy

Research Interest: I am involved in diagnostic and research pathology and animal colony health surveillance. I have also been studying the role of immune system in gastric, hepatic, and colon carcinogenesis and inflammatory bowel disease using animal models. I am also involved in studying pathology of cranial implants in non-human primates

Research Interest: My research revolves around cognitive neuroscience and neuroimaging. I am currently involved in projects using EEG measurements of learning and memory as clinical application in tracking cognitive change in neurodegenerative diseases such as Alzheimers, Parkinsons, and Fragile X-associated tremor/ataxia syndrome.  

Research Interest: IBD/colorectal cancer

Research Interest: Zinc, nutrition, gut permeability, metabolic disease, Helicobacter pylori, paediatric

Research Interest: Pathology, Oncology, Colon adenomas, Pancreatic cancer, Signaling pathways, Cell proliferation

Research Interest: Abdominal surgery, oncologic surgery, oesophagogastric surgery, colo-rectal surgery, bariatric surgery

Research Interest: Gastrointestinal Pathology

Research Interest: Gastric Cancer and Digestive Pathology

Research Interest: Coloproctology

Research Interest: He leads his research largely in the field of digestive pathology and endocrinology, as well as minimally invasive surgery. 

Research Interest: Hepatic Encephalopathy, cirrhosis, hepatic steatosis, Signaling pathways, gut-brain axis, liver-brain axis, oxidative stress, biochemistry, nutrition, pharmacology and clinical trials

Research Interest: Gastric cancer, Surgical treatment, Lymphadenectomy, Endoscopy, Neoadjuvant

Research Interest: Hepatobiliary pancreatic surgery - Bariatric surgery - Colorectal surgery

Research Interest: IBD, celiac disease

Research Interest: Gastrointerology, carcinoma colon-rectum, rare histotype, molecular biology, hereditary tumors. 

Research Interest: Oncology, Gastric Cancer, Surgery

Research Interest: Helicobacter Pylori, Small Intestine

Research Interest: Colorectal cancer

Research Interest: Life Sciences

Research Interest: Diagnosis and treatment in gastric cancer and bariatric surgery

Research Interest: Hepatobiliary surgery

Research Interest: Clinical Nutrition, GI emergencies, Microbiota, Experimental GI Pathology

Research Interest: My research interesting is gastric cancer and colon and rectal cancer. 

Research Interest: Tumor Angiogenesis, Cancer Stem Cell, Tumor biomarker

Research Interest: Hepatobiliary and Pancreatic surgery

Research Interest: Animal physiology and molecular immunology

Research Interest: Inflammatory Bowel Disorder, Cytokines, GIT-disorders, Natural Products, Neuroinflammation, Behavioral study etc

Research Interest: Synthesis of polymer for colon targeted drug delivery system, Standardisation and quality control of herbal medicines. Drug discovery from natural products and novel synthesised organic compounds for pre-clinical studies. Nanoparticles drug delivery, Plant metabolomics, Synthesis of polymer for colon targeted drug delivery system, Standardisation and quality control of herbal medicines. Drug discovery from natural products and novel synthesised organic compounds for pre-clinical studies. Nanoparticles drug delivery, Plant metabolomics

Research Interest: General & Abdominal Surgery, Coloproctology, Hernia Surgery

Research Interest: General surgery, gastrointestinal surgery, laparoscopic surgery, colorectal surgery, endocrine surgery

Board certified internist and Gastroenterologist

Research Interest:  Broad range of topics in Gastroenterology, Hepatology, endoscopy, inflammatory bowel disease, pancreatic disorders

URL: https://www.stormontvail.org/provider/karthik-ragunathan-md/

List of Publications: https://pubmed.ncbi.nlm.nih.gov/?term=karthik+ragunathan