Uttam Shrestha, PhD Specialist uttam.shrestha@ucsf.edu UCSF Profile Publications 224eP Systemic mitochondrial alterations in patients with advanced non-small lung cancer revealed by [18F]F-AraG PET imaging. A feasibility study of [18F]F-AraG positron emission tomography (PET) for cardiac imaging - myocardial viability in ischemia-reperfusion injury model. A Feasibility Study of [18F]F-AraG Positron Emission Tomography (PET) for Cardiac Imaging-Myocardial Viability in Ischemia-Reperfusion Injury Model. Tissue-based T cell activation and viral RNA persist for up to 2 years after SARS-CoV-2 infection. Multimodal Molecular Imaging Reveals Tissue-Based T Cell Activation and Viral RNA Persistence for Up to 2 Years Following COVID-19. Biodiversity: the overlooked source of human health. See All Publications