Siglec-15: an immune system Siglec conserved throughout vertebrate evolution

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چکیده

منابع مشابه

Siglec-15: an immune system Siglec conserved throughout vertebrate evolution.

Siglecs are vertebrate cell-surface receptors that recognize sialylated glycans. Here we have identified and characterized a novel Siglec, named Siglec-15. Siglec-15 is a type-I transmembrane protein consisting of: (i) two immunoglobulin (Ig)-like domains, (ii) a transmembrane domain containing a lysine residue, and (iii) a short cytoplasmic tail. Siglec-15 is expressed on macrophages and/or de...

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Evolution of siglec-11 and siglec-16 genes in hominins.

We previously reported a human-specific gene conversion of SIGLEC11 by an adjacent paralogous pseudogene (SIGLEC16P), generating a uniquely human form of the Siglec-11 protein, which is expressed in the human brain. Here, we show that Siglec-11 is expressed exclusively in microglia in all human brains studied-a finding of potential relevance to brain evolution, as microglia modulate neuronal su...

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Siglec-15 monoclonal antibodies as osteoclast inhibitors

The use of monoclonal antibodies to target functionally important cell-surface proteins on bone-resorbing osteoclasts represents a promising approach for treatment of cancerassociated bone loss and other skeletal pathologies. Previously, we identified Siglec-15, a little-studied sialic acid-binding receptor, as a candidate target that is highly upregulated during osteoclast differentiation indu...

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Molecular cloning of porcine Siglec-3, Siglec-5 and Siglec-10, and identification of Siglec-10 as an alternative receptor for porcine reproductive and respiratory syndrome virus (PRRSV)

In recent years, several entry mediators have been characterized for porcine reproductive and respiratory syndrome virus (PRRSV). Porcine sialoadhesin [pSn, also known as sialic acid-binding immunoglobulin-type lectin (Siglec-1)] and porcine CD163 (pCD163) have been identified as the most important host entry mediators that can fully coordinate PRRSV infection into macrophages. However, recent ...

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Siglec functions of microglia.

Microglia are the resident immune cells of the central nervous system. They can sense intact or lesioned cells and then respond in an appropriate way. Therefore, microglia need recognition receptors that lead to either the activation or the inhibition of the immune response pathways. Most Siglecs contain an immunoreceptor tyrosine based inhibition motif and its signaling leads to the terminatio...

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ژورنال

عنوان ژورنال: Glycobiology

سال: 2007

ISSN: 1460-2423,0959-6658

DOI: 10.1093/glycob/cwm049