Medicine and Health Sciences Commons^™

Hpv-Related Anal Cancer Is Associated With Changes In The Anorectal Microbiome During Cancer Development, Jacob H. Elnaggar, Victoria O. Huynh, Daniel Lin, R. Tyler Hillman, Chike O. Abana, Molly B. El Alam, Katarina C. Tomasic, Tatiana V. Karpinets, Ramez Kouzy, Jae L. Phan, Jennifer Wargo, Emma B. Holliday, Prajnan Das, Melissa P. Mezzari, Nadim J. Ajami, Erica J. Lynn, Bruce D. Minsky, Van K. Morris, Andrea Milbourne, Craig A. Messick, Ann H. Klopp, P. Andrew Futreal, Cullen M. Taniguchi, Kathleen M. Schmeler, Lauren E. Colbert

School of Graduate Studies Faculty Publications

Background: Squamous cell carcinoma of the anus (SCCA) is a rare gastrointestinal cancer. Factors associated with progression of HPV infection to anal dysplasia and cancer are unclear and screening guidelines and approaches for anal dysplasia are less clear than for cervical dysplasia. One potential contributing factor is the anorectal microbiome. In this study, we aimed to identify differences in anal microbiome composition in the settings of HPV infection, anal dysplasia, and anal cancer in this rare disease. Methods: Patients were enrolled in two prospective studies. Patients with anal dysplasia were part of a cross-sectional cohort that enrolled women with high-grade …