our results indicate : ( 1 ) that the cell surface proteins and glycoproteins have only secondary effects on calcium/phosphate-induced cell aggregation and membrane destabilization , ( 2 ) that these processes primarily depend on the reaction between calcium and phosphate ions at the membrane surface , and ( 3 ) that cytoskeletal elements probably play no active ( positive ) role in the ca2+/po4 ( 3- ) induced erythrocyte membrane fusion process , apart from maintaining cell shape .
C0006711
calcium/phosphate
C0006675
calcium