Abstract:
:LIGHT was recently described as a member of the tumor necrosis factor (TNF) 'superfamily'. We have isolated a mouse homolog of human LIGHT and investigated its immunoregulatory functions in vitro and in vivo. LIGHT has potent, CD28-independent co-stimulatory activity leading to T-cell growth and secretion of gamma interferon and granulocyte-macrophage colony-stimulating factor. Gene transfer of LIGHT induced an antigen-specific cytolytic T-cell response and therapeutic immunity against established mouse P815 tumor. In contrast, blockade of LIGHT by administration of soluble receptor or antibody led to decreased cell-mediated immunity and ameliorated graft-versus-host disease. Our studies identify a previously unknown T-cell co-stimulatory pathway as a potential therapeutic target.
journal_name
Nat Medjournal_title
Nature medicineauthors
Tamada K,Shimozaki K,Chapoval AI,Zhu G,Sica G,Flies D,Boone T,Hsu H,Fu YX,Nagata S,Ni J,Chen Ldoi
10.1038/73136keywords:
subject
Has Abstractpub_date
2000-03-01 00:00:00pages
283-9issue
3eissn
1078-8956issn
1546-170Xjournal_volume
6pub_type
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