HSPD1 and Burkitt lymphoma: Using electron microscopy analysis, Soltys and Gupta (1996) confirmed that mitochondrial Hsp60 accounts for 80–85% of the total cellular Hsp60 in different mammalian cells and tissues, including human fibroblasts, Daudi Burkitt’s lymphoma cells, B-SC kidney cells, Chinese hamster ovary cells, and rat liver.