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040 _cH12O
041 _aeng
100 _93076
_aRoda Navarro, Pedro
_eInstituto de Investigación imas12
245 0 0 _aDistinct Trafficking of Cell Surface and Endosomal TIM-1 to the Immune Synapse.
_h[artículo]
260 _bTraffic (Copenhagen, Denmark),
_c2015
300 _a16(11):1193-207.
500 _aFormato Vancouver: Echbarthi M, Zonca M, Mellwig R, Schwab Y, Kaplan G, DeKruyff RH et al. Distinct Trafficking of Cell Surface and Endosomal TIM-1 to the Immune Synapse. Traffic. 2015 Nov;16(11):1193-207.
501 _aPMID: 26332704 PMC4607657
504 _aContiene 42 referencias
520 _aThe T-cell/transmembrane, mucin and immunoglobulin domain protein 1 (TIM-1) is a phosphatidlyserine (PtdSer) receptor and a T cell costimulatory molecule linked to the development of atopic diseases. TIM-1 locates preferentially in intracellular compartments. Here we show that in human and mouse lymphoid cells, TIM-1 localizes in different types of endosomes and that its domain structure is important for protein sorting to intracellular vesicles. The BALB/c mouse TIM-1 protein, which has a longer mucin domain, is sorted more efficiently to endosomes than the shorter C57BL/6 variant. High affinity ligands such as PtdSer increase the amount of cell surface TIM-1; the protein also polarizes toward cell contacts with apoptotic cells. The large pool of intracellular TIM-1 translocates to the immune synapse (IS) with the CD3-TCR (T cell receptor) complex and colocalizes to the central supramolecular activation cluster (cSMAC). In contrast, cell surface TIM-1 does not traffic to the IS, but is located away from it. The bipolar TIM-1 sorting observed during IS formation is determined by differences in its subcellular location, and might modulate antigen-driven immune responses.
710 _9625
_aInstituto de Investigación imas12
856 _uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4607657/
_yAcceso libre
942 _2ddc
_cART
_n0