Uttam Shrestha, PhD Specialist UCSF Profile Publications Mitochondrial Imaging Detects Early Cardiac Changes Following Cancer Immunotherapy. 224eP Systemic mitochondrial alterations in patients with advanced non-small lung cancer revealed by [18F]F-AraG PET imaging. Mitochondrial Imaging Detects Early Cardiac Responses to Cancer Immunotherapy. 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. See All Publications