human cells derived from malignant tumors ( hela , hep-2 and kb ) and human cells transformed by tumor viruses ( kcand rsb ) formed syncytia by simian sarcoma virus type i ( ssv-i/ssav-i ) , but human diploid or non-transformed cells ( wi-38 , hel and hec ) did not .
C0751995
ssv
C0086418
human