Efficient transduction with recombinant adenovirus in EBV-transformed B lymphoblastoid cell lines.
The Epstein-Barr-transformed B lymphoblastoid cell lines, LCL, which express antigens, are potential antigen-presenting cells (APCs) for the induction of cytotoxic T lymphocytes in vitro. However, transfecting LCL with subsequent selection by antibiotics is notoriously difficult because the plating efficiencies of LCL are reported to be 1% or less. Therefore, this study investigated the optimal conditions for increasing the transduction efficiency of a recombinant adenovirus to LCL for use as a source of APCs. The transduction efficiencies were < 13% (SD +/- 2.13) at a multiplicity of infection (MOI) of 100, while it was increased to 28% (SD +/- 9.43) at an MOI of 1000. Moreover, its efficiencies to LCL that expressed the coxsackie adenovirus receptor were increased to 60% (SD +/- 6.35) at an MOI of 1000, and were further increased to 70% (SD +/- 4.56) when combined with the centrifugal method. The cationic liposome or anionic polymer had no effect on the transduction efficiency when compared to that of the centrifugal method. These results may be used as a convenient source of target cells for a CTL assay and/or autologous APCs for the induction of the in vitro CTL responses that are specific to viral and tumor antigens.
Department of Microbiology and Immunology, Clinical Institute of St. Mary's Hospital, The Catholic University of Korea, Seoul 131-701, Korea.
Hye-Jin
HJ
Kim
Hyun-Il
HI
Cho
Yoon-Hee
YH
Han
Soo-Young
SY
Park
Dong-Wook
DW
Kim
Dong-Gun
DG
Lee
Jee-Hoon
JH
Kim
Wan-Shik
WS
Shin
Soon-Young
SY
Paik
Chun-Choo
CC
Kim
Young-Seon
YS
Hong
Tai-Gyu
TG
Kim
D000256:Adenoviridae / Q000235:genetics* / Q000378:metabolism; D001402:B-Lymphocytes / Q000166:cytology / Q000502:physiology*; D002461:Cell Line, Transformed / Q000502:physiology*; D002472:Cell Transformation, Viral; D004854:Herpesvirus 4, Human / Q000235:genetics* / Q000378:metabolism; D006801:Humans; D011993:Recombinant Fusion Proteins / Q000235:genetics / Q000378:metabolism; D013602:T-Lymphocytes, Cytotoxic; D014161:Transduction, Genetic / Q000379:methods*
D011993:Recombinant Fusion Proteins