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Vista Deficiency Attenuates Antibody-Induced Arthritis And Alters Macrophage Gene Expression In Response To Simulated Immune Complexes, Sabrina Ceeraz, Susan K. Eszterhas, Petra Sergent, David A. Armstrong, Alix Ashare, Thomas Broughton, Li Wang, Dov Pechenick, Christopher M. Burns, Randolph J. Noelle, Matthew P. Vincenti, Roy A. Fava
Vista Deficiency Attenuates Antibody-Induced Arthritis And Alters Macrophage Gene Expression In Response To Simulated Immune Complexes, Sabrina Ceeraz, Susan K. Eszterhas, Petra Sergent, David A. Armstrong, Alix Ashare, Thomas Broughton, Li Wang, Dov Pechenick, Christopher M. Burns, Randolph J. Noelle, Matthew P. Vincenti, Roy A. Fava
Dartmouth Scholarship
In addition to activated T cells, the immune checkpoint inhibitor “V domain-containing Ig suppressor of T-cell activation” (VISTA) is expressed by myeloid cell types, including macrophages and neutrophils. The importance of VISTA expression by myeloid cells to antibody-induced arthritis and its potential for relevance in human disease was evaluated. Methods: VISTA was immunolocalized in normal and arthritic human synovial tissue sections and synovial tissue lysates were subjected to western blot analysis. The collagen antibody-induced arthritis model (CAIA) was performed with DBA/1 J mice treated with antibodies against VISTA and with VISTA-deficient mice (V-KO). Total mRNA from arthritic joints, spleens, and …