For better monitoring of tumor molecular changes, liquid biopsy is emerging as a more convenient and potentially lower-cost alternative to tissue biopsy. Liquid biopsy detects genetic aberrations in circulating tumor cells and deoxyribonucleic acid from apoptotic and necrotic tumor cells.
John S. Ji
John S. Ji (johnji@post .harvard.edu) is a senior researcher at Harvard Business School and an adjunct research fellow at Peking University School of Public Health, Beijing, China. Previously, he worked for the China Medical Board and the U.S. Food and Drug Administration. He received his bachelor’s degree from Johns Hopkins University and doctor of science degree from Harvard School of Public Health.