TY - JOUR
T1 - CD74 is a novel transcription regulator
AU - Gil-Yarom, Naama
AU - Radomir, Lihi
AU - Sever, Lital
AU - Kramer, Matthias P.
AU - Lewinsky, Hadas
AU - Bornstein, Chamutal
AU - Blecher-Gonen, Ronnie
AU - Barnett-Itzhaki, Zohar
AU - Mirkin, Vita
AU - Friedlander, Gilgi
AU - Shvidel, Lev
AU - Herishanu, Yair
AU - Lolis, Elias J.
AU - Becker-Herman, Shirly
AU - Amit, Ido
AU - Shachar, Idit
PY - 2017/1/17
Y1 - 2017/1/17
N2 - CD74 is a cell-surface receptor for the cytokine macrophage migration inhibitory factor. Macrophage migration inhibitory factor binding to CD74 induces its intramembrane cleavage and the release of its cytosolic intracellular domain (CD74-ICD), which regulates cell survival. In the present study, we characterized the transcriptional activity of CD74-ICD in chronic lymphocytic B cells. We show that following CD74 activation, CD74-ICD interacts with the transcription factors RUNX (Runt related transcription factor) and NF-κB and binds to proximal and distal regulatory sites enriched for genes involved in apoptosis, immune response, and cell migration. This process leads to regulation of expression of these genes. Our results suggest that identifying targets of CD74 will help in understanding of essential pathways regulating B-cell survival in health and disease.
AB - CD74 is a cell-surface receptor for the cytokine macrophage migration inhibitory factor. Macrophage migration inhibitory factor binding to CD74 induces its intramembrane cleavage and the release of its cytosolic intracellular domain (CD74-ICD), which regulates cell survival. In the present study, we characterized the transcriptional activity of CD74-ICD in chronic lymphocytic B cells. We show that following CD74 activation, CD74-ICD interacts with the transcription factors RUNX (Runt related transcription factor) and NF-κB and binds to proximal and distal regulatory sites enriched for genes involved in apoptosis, immune response, and cell migration. This process leads to regulation of expression of these genes. Our results suggest that identifying targets of CD74 will help in understanding of essential pathways regulating B-cell survival in health and disease.
KW - CD74
KW - CLL
KW - NF-κB
KW - RUNX
KW - Transcription
UR - http://www.scopus.com/inward/record.url?scp=85009754268&partnerID=8YFLogxK
U2 - 10.1073/pnas.1612195114
DO - 10.1073/pnas.1612195114
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C2 - 28031488
AN - SCOPUS:85009754268
SN - 0027-8424
VL - 114
SP - 562
EP - 567
JO - Proceedings of the National Academy of Sciences of the United States of America
JF - Proceedings of the National Academy of Sciences of the United States of America
IS - 3
ER -