Allen Zhong

Associated Scientist-Track Investigator, Molecular Medicine

Dr. Allen Zhong joined the Division of General Surgery as a paediatric surgical fellow in 2024 and became a faculty member in October 2026. He is also an assistant professor at the University of Toronto.

Dr. Zhong earned his medical degree from Texas Tech University Health Sciences Center School of Medicine and completed his general surgery residency at the Icahn School of Medicine at Mount Sinai in New York. During his residency, he completed a paediatric surgery research fellowship at Children's Hospital Los Angeles, supported by the Eli and Edythe Broad Clinical Fellows Research Award. His research focused on biliary atresia and epithelial progenitor cell biology. He later completed his paediatric general surgery fellowship at SickKids.

At SickKids, Dr. Zhong practises general and thoracic surgery, with a focus on aerodigestive conditions. He is a surgical representative for the Aerodigestive Clinic and Program. His research focuses on respiratory epithelial physiology under the mentorship of Dr. Christine Bear. Dr. Zhong's research has been published in journals including Hepatology and Hepatology Communications. He has also contributed to multicentre clinical studies and surgical education.

1. Zhong A, Wang KS. Seminars in pediatric surgery: Preface for updates in biliary atresia. Semin Pediatr Surg. 2024 Dec;33(6):151470. doi: 10.1016/j.sempedsurg.2025.151470. Epub 2025 Jan 21. PMID: 39919668. 
2. Zhong A, Karimzadeh F, Giang H, Wong PY, Wang KS. Progenitor cells, ductular reactions, and biliary atresia. Semin Pediatr Surg. 2024 Dec;33(6):151480. doi: 10.1016/j.sempedsurg.2025.151480. Epub 2025 Mar 1. PMID: 40048772. 
3. Zhong A, Short C, Xu J, Fernandez GE, Malkoff N, Noriega N, Yeo T, Wang L, Mavila N, Asahina K, Wang KS. Prominin-1 promotes restitution of the murine extrahepatic biliary luminal epithelium following cholestatic liver injury. Hepatol Commun. 2023 Jan 20;7(2):e0018. doi: 10.1097/HC9.0000000000000018. PMID: 36662671; PMCID: PMC10019165. 
4. Short C, Zhong A, Xu J, Mahdi E, Glazier A, Malkoff N, Noriega N, Yeo T, Asahina K, Wang KS. TWEAK/FN14 promotes profibrogenic pathway activation in Prominin-1-expressing hepatic progenitor cells in biliary atresia. Hepatology. 2023 May 1;77(5):1639-1653. doi: 10.1097/HEP.0000000000000026. Epub 2023 Jan 3. PMID: 36626628. 
5. Zhong A, Short C, Sundin A, Austin C, Gao L, Tabarsi E, Chen S, Wang K, Pelayo JC. Postoperative narcotic utilization in single incision laparoscopic-assisted extracorporeal appendectomy (SILEA): a single-institution retrospective review. Pediatr Surg Int. 2022 Dec;38(12):1997-2003. doi: 10.1007/s00383-022-05252-6. Epub 2022 Sep 22. PMID: 36138321.