Identification of DC-SIGN, a novel dendritic cell-specific ICAM-3 receptor that supports primary immune responses - PubMed (original) (raw)
Identification of DC-SIGN, a novel dendritic cell-specific ICAM-3 receptor that supports primary immune responses
T B Geijtenbeek et al. Cell. 2000.
Free article
Abstract
Contact between dendritic cells (DC) and resting T cells is essential to initiate a primary immune response. Here, we demonstrate that ICAM-3 expressed by resting T cells is important in this first contact with DC. We discovered that instead of the common ICAM-3 receptors LFA-1 and alphaDbeta2, a novel DC-specific C-type lectin, DC-SIGN, binds ICAM-3 with high affinity. DC-SIGN, which is abundantly expressed by DC both in vitro and in vivo, mediates transient adhesion with T cells. Since antibodies against DC-SIGN inhibit DC-induced proliferation of resting T cells, our findings predict that DC-SIGN enables T cell receptor engagement by stabilization of the DC-T cell contact zone.
Comment in
- DC-SIGN: a guide to some mysteries of dendritic cells.
Steinman RM. Steinman RM. Cell. 2000 Mar 3;100(5):491-4. doi: 10.1016/s0092-8674(00)80684-4. Cell. 2000. PMID: 10721985 Review. No abstract available.
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