Immunodeficiency due to mutations in ORAI1 and STIM1

Copyright 2008 Elsevier Inc. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 135(2010), 2 vom: 31. Mai, Seite 169-82
1. Verfasser: Feske, Stefan (VerfasserIn)
Weitere Verfasser: Picard, Capucine, Fischer, Alain
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Review Calcium Channels Membrane Proteins Neoplasm Proteins ORAI1 Protein ORAI1 protein, human STIM1 protein, human Stromal Interaction Molecule 1
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520 |a Lymphocyte activation requires Ca(2+) influx through specialized Ca(2+) channels in the plasma membrane. In T cells the predominant Ca(2+) channel is the Ca(2+) release activated Ca(2+) (CRAC) channel encoded by the gene ORAI1. ORAI1 is activated by stromal interaction molecule (STIM) 1 that is localized in the ER where it senses the concentration of stored Ca(2+). Following antigen binding to immunoreceptors such as the TCR, ER Ca(2+) stores are depleted, STIM1 is activated and ORAI1-CRAC channels open resulting in what is referred to as store-operated Ca(2+) entry (SOCE). Mutations in ORAI1 and STIM1 genes in human patients that lead to expression of non-functional ORAI1 or complete lack of ORAI1 or STIM1 protein are associated with a unique clinical phenotype that is characterized by immunodeficiency, muscular hypotonia and anhydrotic ectodermal dysplasia, as well as, in the case of STIM1 deficiency, autoimmunity and lymphoproliferative disease. The immunodeficiency in these patients is due to a severe defect in T cell activation but not in lymphocyte development. This review describes the immunological and non-immunological phenotypes of patients with defects in SOCE and CRAC channel function and discusses them in the context of similar immunodeficiency diseases and animal models of ORAI1 and STIM1 function 
650 4 |a Journal Article 
650 4 |a Research Support, N.I.H., Extramural 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Review 
650 7 |a Calcium Channels  |2 NLM 
650 7 |a Membrane Proteins  |2 NLM 
650 7 |a Neoplasm Proteins  |2 NLM 
650 7 |a ORAI1 Protein  |2 NLM 
650 7 |a ORAI1 protein, human  |2 NLM 
650 7 |a STIM1 protein, human  |2 NLM 
650 7 |a Stromal Interaction Molecule 1  |2 NLM 
700 1 |a Picard, Capucine  |e verfasserin  |4 aut 
700 1 |a Fischer, Alain  |e verfasserin  |4 aut 
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773 1 8 |g volume:135  |g year:2010  |g number:2  |g day:31  |g month:05  |g pages:169-82 
856 4 0 |u http://dx.doi.org/10.1016/j.clim.2010.01.011  |3 Volltext 
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