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Feske S, Picard C, Fischer A. Immunodeficiency due to mutations in ORAI1 and STIM1. Clin Immunol 2010; 135:169-82. [PMID: 20189884 PMCID: PMC2856745 DOI: 10.1016/j.clim.2010.01.011] [Citation(s) in RCA: 137] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2009] [Revised: 01/04/2010] [Accepted: 01/22/2010] [Indexed: 11/25/2022]
Abstract
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.
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Affiliation(s)
- Stefan Feske
- Department of Pathology, New York University, Langone Medical Center, 550 First Avenue, New York, NY 10016, USA.
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Feske S, Draeger R, Peter HH, Rao A. Impaired NFAT regulation and its role in a severe combined immunodeficiency. Immunobiology 2000; 202:134-50. [PMID: 10993288 DOI: 10.1016/s0171-2985(00)80060-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Severe Combined Immunodeficiency (SCID) is a primary immunodeficiency affecting T cells, B cells, or both. Whereas the clinical symptoms are uniformly dominated by recurrent infections, the molecular causes for SCID are very heterogeneous. Mutations in cell surface receptors, signal transduction molecules and transcription factors have been described, including the common gamma chain of the IL-2 (and IL-4, IL-7, IL-9 and IL-15) receptors, the kinase JAK-3, the epsilon and gamma chains of CD3, the protein tyrosine kinase ZAP-70, as well as CIITA and RFX5 involved in MHC class II gene expression. In this work we describe two infants with SCID whose T cells display a severe defect in T cell activation and cytokine transcription due to impaired activation of the transcription factor NFAT. We show that this defect in activation is not due to mutations in the NFAT proteins expressed in T cells or the phosphatase calcineurin which regulates the activation of NFAT. However, nuclear import of NFAT in response to T cell activation was severely compromised in the patients' T cells. A modest degree of nuclear translocation of NFAT was achieved in the patients' T cells when nuclear export was inhibited using lithium chloride. This low level of nuclear NFAT in the nucleus was not sufficient to compensate for the defect in cytokine production in the patients' T cells. However, elevated levels of extracellular calcium led to an increase in cytokine gene transcription by the SCID T cells, suggesting that the underlying genetic defect in the patients involved calcium influx or the initiation of calcium signalling.
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Affiliation(s)
- S Feske
- The Center for Blood Research, Harvard Medical School, Boston, MA 02115, USA.
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Feske S, Draeger R, Peter HH, Eichmann K, Rao A. The duration of nuclear residence of NFAT determines the pattern of cytokine expression in human SCID T cells. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2000; 165:297-305. [PMID: 10861065 DOI: 10.4049/jimmunol.165.1.297] [Citation(s) in RCA: 109] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The expression of cytokine genes and other inducible genes is crucially dependent on the pattern and duration of signal transduction events that activate transcription factor binding to DNA. Two infant patients with SCID and a severe defect in T cell activation displayed an aberrant regulation of the transcription factor NFAT. Whereas the expression levels of the NFAT family members NFAT1, -2, and -4 were normal in the patients' T cells, dephosphorylation and nuclear translocation of these NFAT proteins occurred very transiently and incompletely upon stimulation. Only after inhibition of nuclear export with leptomycin B were we able to demonstrate a modest degree of nuclear translocation in the patients' T cells. This transient activation of NFAT was not sufficient to induce the expression of several cytokines, including IL-2, IL-3, IL-4, and IFN-gamma, whereas mRNA levels for macrophage inflammatory protein-1alpha, GM-CSF, and IL-13 were only moderately reduced. By limiting the time of NFAT activation in normal control cells using the calcineurin inhibitor cyclosporin A, we were able to mimic the cytokine expression pattern in SCID T cells, suggesting that the expression of different cytokine genes is differentially regulated by the duration of NFAT residence in the nucleus.
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Affiliation(s)
- S Feske
- Center for Blood Research, Harvard Medical School, Boston, MA 02115, USA
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Kiani A, Rao A, Aramburu J. Manipulating immune responses with immunosuppressive agents that target NFAT. Immunity 2000; 12:359-72. [PMID: 10795734 DOI: 10.1016/s1074-7613(00)80188-0] [Citation(s) in RCA: 221] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- A Kiani
- Medizinische Klinik I, Universitätsklinikum Carl Gustav Carus, Technische Universität Dresden, Germany
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Murch SH, Fertleman CR, Rodrigues C, Morgan G, Klein NJ, Meadows N, Savidge TC, Phillips AD, Walker-Smith JA. Autoimmune enteropathy with distinct mucosal features in T-cell activation deficiency: the contribution of T cells to the mucosal lesion. J Pediatr Gastroenterol Nutr 1999; 28:393-9. [PMID: 10204503 DOI: 10.1097/00005176-199904000-00009] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
BACKGROUND Autoimmune enteropathy is normally characterised by crypt hyperplastic villous atrophy with enterocyte autoantibodies, activation of mucosal lymphocytes and increased epithelial HLA-DR. This case involved a severely affected Portuguese infant who was found to have lymphocyte activation deficiency and demonstrated correspondingly distinct mucosal features. METHODS A female infant of nonconsanguineous parents was treated for vomiting and diarrhoea, first with milk exclusion and then with parenteral nutrition. Lymphocyte subsets and immunoglobulin concentrations were normal, but in vitro testing showed no activation in response to phytohaemagglutinin, Candida, or purified protein derivative, although the response to interleukin (IL)-2 was intact. Interleukin-2 deficiency was excluded. Analysis of jejunal biopsy specimens revealed only mild villous blunting with absent goblet cells, normal epithelial proliferation, and no crypt hyperplasia. The dense infiltrate of CD8+ and CD4+ T lymphocytes showed normal CD2 and CD3 expression but no activation or proliferation markers. HLA-DR was not increased on epithelium or lymphocytes. Thus, in addition to in vitro evidence for lymphocyte activation deficiency, the mucosal specimens showed no evidence of in situ T-cell activation. RESULTS After development of overwhelming septicaemia, the patient died at 18 months, just before a planned bone marrow transplant. CONCLUSIONS These findings confirm significant heterogeneity within autoimmune enteropathy. Formal immune function testing should be performed in all affected infants to identify T-cell activation deficiencies. The distinct mucosal findings suggest that activated T cells usually induce the crypt hyperplastic villous atrophy characteristic of classic autoimmune enteropathy.
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Affiliation(s)
- S H Murch
- University Department of Paediatric Gastroenterology, Royal Free Hospital, London, United Kingdom
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Abstract
Over the past decades, cytokines and their receptors have been shown to play a decisive role in the differentiation of both innate and adaptive immunity. The essential roles of cytokine/receptor pathways in vivo, however, have remained elusive and poorly defined. In some cases, primary immunodeficiency syndromes have provided the natural models in which the role of cytokines and their receptors in the development and function of the immune system have been elucidated. Animal models of cytokine/receptor deficiencies generated through gene targeting have also played a decisive factor in identifying the true biological roles of cytokine/receptor pathways. The end result of these approaches has been an enormous advance in our understanding of the cytokine control of normal and pathological human conditions, as well as the advent of new diagnostic tools and novel therapies.
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Affiliation(s)
- J P Di Santo
- INSERM U429, Hôpital Necker-Enfants Malades, Paris, France.
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Sterzl J. Cellular and molecular basis of immunodeficiencies: their consequences for the development and induction of the immune response. Folia Microbiol (Praha) 1998; 43:535-42. [PMID: 9821321 DOI: 10.1007/bf02820815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This review lists primary immunodeficiencies which essentially involve mutations in genes coding for functionally important molecules, membrane antigens (e.g., MHC), chains of lymphokine receptors, protein kinases of the signal cascade, transcription factors, and important regulators of cellular metabolism. Mutations and subsequent immunodeficiencies occur as early as during embryogenesis (lymphopoiesis-I) as well as during induction of the immune response by antigen (ligand) binding to cell receptors, TCR and BCR (immunopoiesis-II). Immunodeficiencies are classified according the developmental stages in which they occur most markedly, even in clinical terms. Some early mutations are immediately lethal, some express themselves by blocking embryonic lymphopoiesis, while other mutations do not become demonstrable until after cell stimulation by antigens (see the Tables).
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Affiliation(s)
- J Sterzl
- Division of Immunology and Gnotobiology, Academy of Sciences of Czech Republic, Prague
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Abstract
The primary immunodeficiencies are congenital disorders that affect the function of the immune system. The result is an inadequate immune response to microorganisms, self-antigens, and tumor cells, which leads to increased susceptibility to infections, autoimmunity, or malignant disease. A substantial advance has been made in the understanding of the exact molecular mechanisms leading to primary immunodeficiencies; however, for some types, a specific genetic defect has not yet been determined. The life expectancy of patients with primary immunodeficiencies has increased considerably because of bone marrow transplantation and replacement therapies. Gene therapy has already been used for a particular type of immunodeficiency and is a promising alternative for the future management of many other types of primary immunodeficiencies. A better understanding of the genetic defects that lead to primary immunodeficiencies would result in the development of novel therapeutic strategies.
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Affiliation(s)
- R M Ten
- Division of Allergy and Outpatient Infectious Disease, Mayo Clinic Rochester, Minnesota 55905, USA
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Kiani A, Viola JP, Lichtman AH, Rao A. Down-regulation of IL-4 gene transcription and control of Th2 cell differentiation by a mechanism involving NFAT1. Immunity 1997; 7:849-60. [PMID: 9430230 DOI: 10.1016/s1074-7613(00)80403-3] [Citation(s) in RCA: 141] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Transcription factors of the NFAT family play a critical role in the immune response by activating the expression of cytokines and other inducible genes in antigen-stimulated cells. Here we show that a member of this family, NFAT1, is involved in down-regulating the late phase of IL-4 gene transcription, thus inhibiting T helper 2 responses. Whereas stimulated T cells from wild-type mice show a transient increase and then a rapid decline in the steady-state levels of IL-4 mRNA in vitro, the levels of IL-4 gene transcripts in NFAT1-deficient T cells are maintained at high levels under the same conditions. Consistent with this observation, NFAT1-/- mice are more susceptible to infection with Leishmania major. This report provides evidence that NFAT proteins regulate not only the initiation but also the termination of gene transcription.
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Affiliation(s)
- A Kiani
- The Center For Blood Research and Department of Pathology, Harvard Medical School, Boston, Massachusetts 02115, USA
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Fischer A, Cavazzana-Calvo M, De Saint Basile G, DeVillartay JP, Di Santo JP, Hivroz C, Rieux-Laucat F, Le Deist F. Naturally occurring primary deficiencies of the immune system. Annu Rev Immunol 1997; 15:93-124. [PMID: 9143683 DOI: 10.1146/annurev.immunol.15.1.93] [Citation(s) in RCA: 108] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Naturally occurring genetic disorders of the immune system provide many models for the study of its development and function. In a way, their analysis complements the information provided by the generation of genetic defects in mice created using homologous recombination techniques. In this review, the recent findings made in three areas are focused upon deficiencies in T cell differentiation and in T lymphocyte activation, and on the control process of peripheral immune response.
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Affiliation(s)
- A Fischer
- Unité INSERM U 429, Hôpital Necker-Enfants Malades, Paris, France
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Feske S, Müller JM, Graf D, Kroczek RA, Dräger R, Niemeyer C, Baeuerle PA, Peter HH, Schlesier M. Severe combined immunodeficiency due to defective binding of the nuclear factor of activated T cells in T lymphocytes of two male siblings. Eur J Immunol 1996; 26:2119-26. [PMID: 8814256 DOI: 10.1002/eji.1830260924] [Citation(s) in RCA: 100] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Peripheral blood lymphocytes (PBL) and alloreactive T cell lines of two male infants born to consanguinous parents and presenting with severe combined immunodeficiency (SCID) showed a pronounced deficiency in T cell activation. Although phenotypically normal, the proliferative response of the childrens' T cells was strongly reduced but could be improved by the addition of interleukin-2 (IL-2). Furthermore both childrens' T cells were unable to produce the cytokines IL-2, interferon-gamma (IFN-gamma), IL-4 and tumor necrosis factor-alpha (TNF-alpha). This multiple cytokine production deficiency could not be restored by IL-2 or co-stimulatory signals provided by antigen-presenting cells (APC). Moreover, mRNA for IL-2 and IFN-gamma could not be detected. In contrast, expression of the activation-dependent cell surface markers CD25 and CD69 was within normal limits. To determine whether the functional defect of the patients' T cells was due to the absence or abnormal binding of transcription factors involved in cytokine gene expression, electrophoretic mobility shift assays were used to examine the DNA binding of AP-1, Oct, CREB, SP1, NF-kappa B and the nuclear factor of activated T cells (NF-AT) to their respective response elements in the promoter of the IL-2 gene. Whereas AP-1, NF-kappa B, Oct, CREB and SP1 displayed normal binding activities in nuclear extracts, the binding of NF-AT to its IL-2 promoter response element was barely detectable both before and after T cell stimulation. Our results strongly suggest that this NF-AT/DNA binding defect is responsible for the multiple cytokine deficiency and the SCID phenotype observed in the two infant brothers.
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Affiliation(s)
- S Feske
- Department of Medicine, Albert-Ludwigs University of Freiburg, Germany
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Affiliation(s)
- F S Rosen
- Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
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Abstract
Infections are one of the major causes for visits to paediatricians. Most children recover without sequelae, untreated or if treated properly, and develop specific immunity towards the challenging microorganisms (mostly viruses). There is a small proportion of children however, with unusual frequent, severe, chronic, recurrent or opportunistic infections in whom an underlying immunodeficiency must be suspected. Based on current knowledge about the major types of congenital immunodeficiencies this review suggests a diagnostic approach to these children. Early evaluation will allow early identification of affected children and, subsequently, lead to proper treatment before devastating infections cause irreversible organ damage.
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Affiliation(s)
- U Wahn
- University Pediatric Clinic, Düsseldorf, Germany
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Suresh K, Jayavardhanan KK, Vasudevan DM. Defective interleukin-2 R gene expression in gastric carcinoma patients. Immunol Invest 1995; 24:565-71. [PMID: 7622194 DOI: 10.3109/08820139509066857] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Peripheral blood T lymphocytes from 15 patients with gastric carcinoma and 6 normal healthy controls were evaluated for Interleukin-2 R gene expression. Total RNA was extracted from T cell-enriched fractions of patients as well as from control peripheral blood lymphocytes, with or without mitogenic stimulation. The presence of mRNA for IL-2 R alpha evaluated by Northern blot analysis revealed that unstimulated T cells expressed lower levels of IL-2 R mRNA than PHA stimulated T cells. Expression of both IL-2 R alpha transcripts (3.5 and 1.5 Kb) were either not detectable or only weakly detectable on T lymphocytes from patients even after mitogenic stimulation. In contrast, a significant rise in the expression of both IL-2 R alpha transcripts was observed on T cells from normal controls followed by mitogenic challenge. This paper reports on the defective IL-2 R alpha gene expression in gastric carcinoma patients, which may explain one of the causes of immunodeficiency associated with neoplastic transformation and progression.
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Affiliation(s)
- K Suresh
- Department of Biochemistry Medical College, Trichur, Kerala, India
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Sugamura K, Asao H, Kondo M, Tanaka N, Ishii N, Nakamura M, Takeshita T. The common gamma-chain for multiple cytokine receptors. Adv Immunol 1995; 59:225-77. [PMID: 7484461 DOI: 10.1016/s0065-2776(08)60632-x] [Citation(s) in RCA: 130] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- K Sugamura
- Department of Microbiology, Tohoku University School of Medicine, Sendai, Japan
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Rodríguez-Gallego C, Arnaiz-Villena A, Corell A, Manzanares J, Timón M, Pacheco A, Regueiro JR. Primary T lymphocyte immunodeficiency associated with a selective impairment of CD2, CD3, CD43 (but not CD28)-mediated signal transduction. Clin Exp Immunol 1994; 97:386-91. [PMID: 7915976 PMCID: PMC1534842 DOI: 10.1111/j.1365-2249.1994.tb06099.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
A 2-year-old female with important signs of immune response failure against virus, bacteria, fungi and protozoa and no obvious humoral or lymphocyte phenotypical defect was studied. Both peripheral blood mononuclear cells and IL-2-dependent T cell lines derived from the patient showed a severe selective T cell activation impairment via CD2, CD3 and CD43; however, this defect was reversible with the addition of either IL-2, or phorbol myristate acetate (PMA) or anti-CD28 antibodies. Concordantly, the induction of IL-2 (and, in part, IL-3 and IL-4) messenger RNA was severely reduced in stimulated T cells, but that of other cytokines was either normal (IL-5) or only slightly diminished (interferon-gamma (IFN-gamma)). It is concluded that an activation T cell defect exists previous to protein kinase C (PKC) and between membrane receptors and the activation pathway of certain response genes encoding for interleukins involved in proliferation (i.e. IL-2, IL-3 and IL-4), but not of others (i.e. IL-5). The use of T cell lines from human T lymphocyte activation deficiencies allows dissection of T cell pathology and the corresponding physiological pathways. In the present description, there is an evident independence of the CD28 T cell activation pathway from those induced through CD2 or CD3, and the differential gene regulation of the different interleukins.
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Affiliation(s)
- C Rodríguez-Gallego
- Department of Immunology, Universidad Complutense, Hospital 12 de Octubre, Madrid, Spain
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