PMID- 19116689 OWN - NLM STAT- MEDLINE DCOM- 20090420 LR - 20090227 IS - 1573-6776 (Electronic) IS - 0141-5492 (Linking) VI - 31 IP - 4 DP - 2009 Apr TI - A suicidal DNA vaccine co-expressing two major membrane-associated proteins of porcine reproductive and respiratory syndrome virus antigens induce protective responses. PG - 509-18 LID - 10.1007/s10529-008-9905-0 [doi] AB - We constructed a suicidal DNA vaccine pSFV-ORF5m/ORF6 co-expressing GP5m (a modified GP5) and M proteins of porcine reproductive and respiratory syndrome virus (PRRSV). In mice immunization, specific immune responses were elicited by the suicidal DNA vaccine pSFV-ORF5m/ORF6. The immunogenicity and protective efficiency was then evaluated in piglets immunized with pSFV-ORF5m/ORF6 before virus challenge: PRRSV-specific neutralizing antibodies and lymphocyte proliferative responses were developed. Post-PRRSV challenge, these immune responses were further boosted and partial protection was obtained. FAU - Jiang, Yunbo AU - Jiang Y AD - State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, 1 Shi-zi-shan Street, 430070 Wuhan, Hubei, People's Republic of China. FAU - Fang, Liurong AU - Fang L FAU - Xiao, Shaobo AU - Xiao S FAU - Li, Bin AU - Li B FAU - Pan, Yongfei AU - Pan Y FAU - Luo, Rui AU - Luo R FAU - Chen, Huanchun AU - Chen H LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20081231 PL - Netherlands TA - Biotechnol Lett JT - Biotechnology letters JID - 8008051 RN - 0 (Antibodies, Viral) RN - 0 (M protein, porcine reproductive and respiratory syndrome virus) RN - 0 (Vaccines, DNA) RN - 0 (Viral Envelope Proteins) RN - 0 (Viral Matrix Proteins) RN - 0 (glycoprotein 5, PRRSV) SB - IM MH - Animals MH - Antibodies, Viral/blood MH - Kidney/virology MH - Lung/pathology/virology MH - Lymph Nodes/virology MH - Neutralization Tests MH - Palatine Tonsil/virology MH - Porcine Reproductive and Respiratory Syndrome/immunology/*prevention & control MH - Porcine respiratory and reproductive syndrome virus/*genetics/immunology MH - Spleen/virology MH - Swine MH - Vaccines, DNA/*genetics/*immunology MH - Viral Envelope Proteins/genetics/*immunology MH - Viral Matrix Proteins/genetics/*immunology EDAT- 2009/01/01 09:00 MHDA- 2009/04/21 09:00 CRDT- 2009/01/01 09:00 PHST- 2008/08/26 00:00 [received] PHST- 2008/12/05 00:00 [accepted] PHST- 2008/12/04 00:00 [revised] PHST- 2009/01/01 09:00 [entrez] PHST- 2009/01/01 09:00 [pubmed] PHST- 2009/04/21 09:00 [medline] AID - 10.1007/s10529-008-9905-0 [doi] PST - ppublish SO - Biotechnol Lett. 2009 Apr;31(4):509-18. doi: 10.1007/s10529-008-9905-0. Epub 2008 Dec 31.