PMID- 20068554 OWN - NLM STAT- MEDLINE DCOM- 20100730 LR - 20211020 IS - 1525-0024 (Electronic) IS - 1525-0016 (Print) IS - 1525-0016 (Linking) VI - 18 IP - 5 DP - 2010 May TI - Dendritic cells transduced with lentiviral vectors expressing VIP differentiate into VIP-secreting tolerogenic-like DCs. PG - 1035-45 LID - 10.1038/mt.2009.293 [doi] AB - Dendritic cells (DCs) initiate immune responses as well as tolerance. We showed previously that the neuropeptide vasoactive intestinal peptide (VIP) suppresses innate immune responses, modulates adaptive responses by generating regulatory T cells (Treg) through the induction of tolerogenic DCs (tDCs), and has therapeutic effects in models of autoimmune/inflammatory disorders. Systemic VIP administration is limited by its short biological half-life and by its pleiotropic effects on the cardiovascular system and gastrointestinal tract. Therefore, we used lentiviral vectors to genetically engineer VIP-expressing bone marrow-derived DC (BMDC) and characterized the transduced LentiVIP-DC in terms of phenotype and therapeutic effects in models of experimental autoimmune encephalomyelitis (EAE) and cecal ligation and puncture (CLP) sepsis. LentiVIP-DCs secrete VIP, and resemble tDCs through lack of co-stimulatory molecule upregulation, lack of proinflammatory cytokine secretion, increased interleukin (IL)-10 production, and poor stimulation of allogeneic T cells. A single inoculation of LentiVIP-DC in EAE or CLP mice had therapeutic effects, which correlated with reduced expression of proinflammatory cytokines and increased IL-10 production in spinal cord and peritoneal fluid, respectively. In contrast to systemic VIP administration that requires repeated, high-dose inoculations, local delivery of VIP by LentiVIP-DC may represent a promising therapeutic tool for the treatment of autoimmune diseases and inflammatory disorders. FAU - Toscano, Miguel G AU - Toscano MG AD - Department of Microbiology and Immunology, Temple University School of Medicine, Philadelphia, Pennsylvania, USA. FAU - Delgado, Mario AU - Delgado M FAU - Kong, Weimin AU - Kong W FAU - Martin, Francisco AU - Martin F FAU - Skarica, Mario AU - Skarica M FAU - Ganea, Doina AU - Ganea D LA - eng GR - R01 AI047325/AI/NIAID NIH HHS/United States GR - R01 AI052306/AI/NIAID NIH HHS/United States GR - R01AI052306/AI/NIAID NIH HHS/United States PT - Journal Article PT - Research Support, N.I.H., Extramural PT - Research Support, Non-U.S. Gov't DEP - 20100112 PL - United States TA - Mol Ther JT - Molecular therapy : the journal of the American Society of Gene Therapy JID - 100890581 RN - 37221-79-7 (Vasoactive Intestinal Peptide) SB - IM MH - Animals MH - Bone Marrow Cells/cytology MH - Cell Differentiation/genetics/*physiology MH - Cell Movement/genetics/physiology MH - Cells, Cultured MH - Dendritic Cells/*cytology/*metabolism MH - Enzyme-Linked Immunosorbent Assay MH - Flow Cytometry MH - Genetic Vectors MH - Lentivirus MH - Mice MH - Mice, Inbred BALB C MH - Polymerase Chain Reaction MH - Reverse Transcriptase Polymerase Chain Reaction MH - Transduction, Genetic/*methods MH - Vasoactive Intestinal Peptide/genetics/*metabolism PMC - PMC2890107 EDAT- 2010/01/14 06:00 MHDA- 2010/07/31 06:00 PMCR- 2011/05/01 CRDT- 2010/01/14 06:00 PHST- 2010/01/14 06:00 [entrez] PHST- 2010/01/14 06:00 [pubmed] PHST- 2010/07/31 06:00 [medline] PHST- 2011/05/01 00:00 [pmc-release] AID - S1525-0016(16)31036-X [pii] AID - 10.1038/mt.2009.293 [doi] PST - ppublish SO - Mol Ther. 2010 May;18(5):1035-45. doi: 10.1038/mt.2009.293. Epub 2010 Jan 12.