Abstract:
:Mast cells play a critical role in innate immunity, allergy, and autoimmune diseases. The receptor/ligand interactions that mediate mast cell activation are poorly defined. The alpha2beta1 integrin, a receptor for collagens, laminins, decorin, E-cadherin, matrix metalloproteinase-1 (MMP-1), endorepellin, and several viruses, has been implicated in normal developmental, inflammatory, and oncogenic processes. We recently reported that alpha2 integrin subunit-deficient mice exhibited markedly diminished neutrophil and IL-6 responses during Listeria monocytogenes- and zymosan-induced peritonitis. Peritoneal mast cells require alpha2beta1 integrin expression for activation in response to pathogens, yet the ligand and molecular mechanisms by which the alpha2beta1 integrin induces activation and cytokine secretion remain unknown. We now report that the alpha2beta1 integrin is a novel receptor for multiple collectins and the C1q complement protein. We demonstrate that the alpha2beta1 integrin provides a costimulatory function required for mast cell activation and cytokine secretion. This finding suggests that the alpha2beta1 integrin is not only important for innate immunity but may serve as a critical target for the regulation of autoimmune/allergic disorders.
journal_name
Bloodjournal_title
Bloodauthors
Edelson BT,Stricker TP,Li Z,Dickeson SK,Shepherd VL,Santoro SA,Zutter MMdoi
10.1182/blood-2005-06-2218subject
Has Abstractpub_date
2006-01-01 00:00:00pages
143-50issue
1eissn
0006-4971issn
1528-0020pii
2005-06-2218journal_volume
107pub_type
杂志文章相关文献
BLOOD文献大全abstract::ADAMTS13 proteolytically regulates the platelet-tethering function of von Willebrand factor (VWF). ADAMTS13 function is dependent upon multiple exosites that specifically bind the unraveled VWF A2 domain and enable proteolysis. We carried out a comprehensive functional analysis of the ADAMTS13 cysteine-rich (Cys-rich)...
journal_title:Blood
pub_type: 杂志文章
doi:10.1182/blood-2014-08-594556
更新日期:2015-03-19 00:00:00
abstract::Hematopoietic stem cells (HSC) transplanted in utero are in competition with endogenous HSC; thus, ultimately the graft constitutes a relatively small fraction of total HSC pool. To enhance the engraftment of donor cells in sheep fetuses, we preincubated these cells, ex vivo, for 16 hours at 37 degrees C with the cond...
journal_title:Blood
pub_type: 杂志文章
doi:
更新日期:1992-06-01 00:00:00
abstract::The extracellular presence of endotoxin-free heat shock protein 70 (HSP70) enhances the rate and capacity of macrophage-mediated phagocytosis at 6 times the basal rate. It is protein-specific, dose- and time-dependent and involves the internalization of inert microspheres, Gram-positive and -negative bacteria and fung...
journal_title:Blood
pub_type: 杂志文章
doi:10.1182/blood-2005-06-2559
更新日期:2006-02-15 00:00:00
abstract::Escape from immune detection favors both tumor survival and progression, and new approaches to circumvent this are essential to combat cancers. Nonvirulent, tumor-tropic bacteria, such as Salmonella typhimurium, can unmask a tumor by transforming it into a site of inflammation; however, the nonspecific invasiveness of...
journal_title:Blood
pub_type: 杂志文章
doi:10.1182/blood-2012-12-474098
更新日期:2013-08-01 00:00:00
abstract::High concentrations of bovine factor VIII cause clumping of platelets into a few very large aggregates. This response is termed superaggregation. It is distinct from factor-VIII-induced agglutination but is also independent of both extracellular calcium ions and platelet energy metabolism. Neither agglutinating lectin...
journal_title:Blood
pub_type: 杂志文章
doi:
更新日期:1982-12-01 00:00:00
abstract::Conventional chemotherapy has failed to substantially prolong survival for patients with advanced follicular lymphoma. To improve outcomes, the German Low-Grade Lymphoma Study Group (GLSG) initiated a randomized trial to compare the effect of potentially curative myeloablative radiochemotherapy followed by autologous ...
journal_title:Blood
pub_type: 临床试验,杂志文章,多中心研究,随机对照试验
doi:10.1182/blood-2004-03-0982
更新日期:2004-11-01 00:00:00
abstract::The antibody-mediated delivery of therapeutic agents to sites of angiogenesis is an attractive strategy for anticancer therapy, but is largely unexplored in hematologic malignancies. In the present study, we show that the extra domain B (EDB) of fibronectin, a marker of angiogenesis, is expressed in B-cell non-Hodgkin...
journal_title:Blood
pub_type: 杂志文章
doi:10.1182/blood-2008-05-160747
更新日期:2009-03-05 00:00:00
abstract::Tumor-infiltrating T lymphocytes (TIL-T) are always present in B-cell-derived non-Hodgkin's lymphoma (NHL). In this investigation, we explored the possibility that collaboration might exist between these cells. TIL-T were isolated from 39 lymph nodes of patients with NHL. In most of the cases, few of them (less than 1...
journal_title:Blood
pub_type: 杂志文章
doi:
更新日期:1990-03-01 00:00:00
abstract::Arsenic trioxide (As2O3) induces clinical remission in acute promyelocytic leukemia (APL) with minimal toxicity and apoptosis in APL-derived NB4 cells at low (1 to 2 micromol/L) concentration. We examined the basis for NB4 cell sensitivity to As2O3 to identify experimental conditions that would render other malignant ...
journal_title:Blood
pub_type: 杂志文章
doi:
更新日期:1999-01-01 00:00:00
abstract::The pathophysiology of iron-induced compromised fertility in women with thalassemia major (TM) was evaluated in 26 adult TM females. Low gonadotropin secretion resulted in reduced ovarian antral follicle count and ovarian volume, but levels of anti-müllerian hormone (AMH), a sensitive marker for ovarian reserve indepe...
journal_title:Blood
pub_type: 杂志文章
doi:10.1182/blood-2011-06-360271
更新日期:2011-09-08 00:00:00
abstract::Hepatitis C virus (HCV) is associated with the B-cell lymphoproliferative disorders mixed cryoglobulinemia (MC) and non-Hodgkin lymphoma. We have previously reported that HCV(+)MC(+) patients have clonal expansions of hypermutated, rheumatoid factor-bearing marginal zone-like IgM(+)CD27(+) peripheral B cells using the...
journal_title:Blood
pub_type: 临床试验,杂志文章
doi:10.1182/blood-2010-10-312942
更新日期:2011-05-19 00:00:00
abstract::Tumor necrosis factor (TNF) and lymphotoxin (LT; TNF-beta) are major cytokines produced by B lymphocytes. Stimulation by okadaic acid, a phosphatase 1 and 2A inhibitor, markedly increased TNF mRNA accumulation and cytokine production. On the other hand, the accumulation of LT mRNA was not affected by okadaic acid desp...
journal_title:Blood
pub_type: 杂志文章
doi:
更新日期:1993-11-01 00:00:00
abstract::Glucocorticoids are keystone drugs in the treatment of childhood acute lymphoblastic leukemia (ALL). To get more insight in signal transduction pathways involved in glucocorticoid-induced apoptosis, Affymetrix U133A GeneChips were used to identify transcriptionally regulated genes on 3 and 8 hours of prednisolone expo...
journal_title:Blood
pub_type: 临床试验,杂志文章
doi:10.1182/blood-2006-11-056366
更新日期:2007-05-01 00:00:00
abstract::Myeloid-derived suppressor cells (MDSCs) represent a heterogeneous population that shares certain characteristics including an aberrant myeloid phenotype and the ability to suppress T cells. MDSCs have been predominantly studied in malignant diseases and findings suggest involvement in tumor-associated immune suppress...
journal_title:Blood
pub_type: 临床试验,杂志文章
doi:10.1182/blood-2013-12-546416
更新日期:2014-07-31 00:00:00
abstract::We examined the synthesis of lactoferrin, an iron binding protein that, among hematopoietic cells, is restricted to secondary granules of polymorphonuclear leukocytes. Lactoferrin biosynthesis was absent from leukemic myeloblasts and promyelocytes but abundant in normal bone marrow and both the bone marrow and periphe...
journal_title:Blood
pub_type: 杂志文章
doi:
更新日期:1984-11-01 00:00:00
abstract::We studied the cell kill induced by granulocyte-macrophage colony-stimulating factor (GM-CSF ) fused to Diphtheria Toxin (DT-GM-CSF ) in acute myeloid leukemia (AML) samples and in populations of normal primitive hemopoietic progenitor cells. AML samples from three patients were incubated in vitro with 100 ng/mL DT-GM...
journal_title:Blood
pub_type: 杂志文章
doi:
更新日期:1997-11-01 00:00:00
abstract::The t(8;21) and inv(16)/t(16;16) rearrangements affecting the core-binding factors RUNX1 and CBFB, respectively, are found in 15% to 20% of adult de novo acute myeloid leukemia (AML) cases and are associated with a favorable prognosis. Since the expression of the fusion genes CBFB/MYH11 or RUNX1/RUNX1T1 alone is not s...
journal_title:Blood
pub_type: 临床试验,杂志文章,多中心研究
doi:10.1182/blood-2013-01-476473
更新日期:2013-09-05 00:00:00
abstract::The purpose of this study was to compare transplantation outcomes in patients with hematologic malignancies who received marrow grafts from either phenotypically matched unrelated, one-antigen-mismatched unrelated, or highly human leukocyte antigen (HLA)-disparate family donors. Between 1993 and 2000, 139 patients und...
journal_title:Blood
pub_type: 杂志文章
doi:10.1182/blood.v99.3.806
更新日期:2002-02-01 00:00:00
abstract::Current dosing algorithms do not account for genetic and environmental factors for warfarin dose determinations. This study investigated the contribution of age, CYP2C9 and VKORC1 genotype, and body size to warfarin-dose requirements. Studied were 297 patients with stable anticoagulation with a target international no...
journal_title:Blood
pub_type: 杂志文章
doi:10.1182/blood-2005-03-1108
更新日期:2005-10-01 00:00:00
abstract::This study describes a simple and relatively rapid method of purifying Reed-Sternberg (R-S) cells and their morphologic variants from the lymph nodes of patients affected by Hodgkin's disease. Our initial studies defined the optimal procedure for a quantitative disaggregation of Hodgkin's lymph nodes and the densities...
journal_title:Blood
pub_type: 杂志文章
doi:
更新日期:1989-01-01 00:00:00
abstract::Variations of the partial thromboplastin time (PTT) were tested to determine the best screening method for detection of inhibitors of factor VIII. Variables tested included the duration of preincubation of a mixture of patient plasma and factor VIII source (normal plasma), the ratio of the patient plasma to the normal...
journal_title:Blood
pub_type: 杂志文章
doi:
更新日期:1977-05-01 00:00:00
abstract::Men1 is a tumor suppressor gene mutated in endocrine neoplasms. Besides its endocrine role, the Men1 gene product menin interacts with the mixed lineage leukemia (MLL) protein, a histone H3 lysine 4 methyltransferase. Although menin and MLL fusion proteins cooperate to activate Homeobox (Hox) gene expression during tr...
journal_title:Blood
pub_type: 杂志文章
doi:10.1182/blood-2009-01-135012
更新日期:2009-02-19 00:00:00
abstract::To determine whether the erythropoietin receptor (Epo-R) plays a role in the course of malignant erythropoietic disorders, this gene was studied in murine and human erythroleukemia cells. An altered Epo-R gene was found in a murine Friend erythroleukemia cell line, FCL1, due to a spleen focus-forming virus (SFFV) long...
journal_title:Blood
pub_type: 杂志文章
doi:
更新日期:1994-04-01 00:00:00
abstract::We have used a single intensive chemotherapy regimen in the treatment of young patients with diffuse, aggressive, malignant lymphomas. There were two major histologic types of lymphoma in our series: lymphoblastic lymphomas, which presented most often with mediastinal tumor (64%), and undifferentiated lymphomas (mostl...
journal_title:Blood
pub_type: 杂志文章
doi:
更新日期:1984-05-01 00:00:00
abstract::Adhesive forces at endothelial cell-cell borders maintain vascular integrity. cAMP enhances barrier properties and controls cellular processes through protein kinase A bound to A-kinase anchoring proteins (AKAPs). It also activates exchange protein directly activated by cAMP (Epac1), an exchange factor for Ras-related...
journal_title:Blood
pub_type: 杂志文章
doi:10.1182/blood-2010-02-268870
更新日期:2011-01-13 00:00:00
abstract::Neutrophilic differentiation is dependent on CCAAT enhancer-binding protein α (C/EBPα), a transcription factor expressed in multiple organs including the bone marrow. Using functional genomic technologies in combination with clustered regularly-interspaced short palindromic repeat (CRISPR)/CRISPR-associated protein 9 ...
journal_title:Blood
pub_type: 杂志文章
doi:10.1182/blood-2016-01-695759
更新日期:2016-06-16 00:00:00
abstract::Delivery of biologically active peptides into human polymorphonuclear neutrophils (PMNs) has implications for studying cellular functions and may be therapeutically relevant. The transcription factor nuclear factor-kappaB (NF-kappaB) regulates the expression of multiple genes controlling inflammation, proliferation, a...
journal_title:Blood
pub_type: 杂志文章
doi:10.1182/blood-2002-09-2960
更新日期:2003-09-15 00:00:00
abstract::Intravenous immunoglobulin (IVIgG) causes an acute rise in the platelet count in the majority of patients with chronic immune thrombocytopenic purpura (ITP) but the mechanism(s) of action is still unknown. We evaluated the ability of three different IVIgG preparations to inhibit the in vitro binding of autoantibody to...
journal_title:Blood
pub_type: 杂志文章
doi:
更新日期:1989-11-15 00:00:00
abstract::We have investigated the role of the Rho and Rac family small guanine triphosphate (GTP) exchange factors (RhoGEFs), Vav1 and Vav2, in the activation of platelets by the immunoreceptor tyrosine-based activation motif (ITAM)-coupled collagen receptor GPVI and by the G protein-coupled receptor agonist thrombin. The glyc...
journal_title:Blood
pub_type: 杂志文章
doi:10.1182/blood.V100.10.3561
更新日期:2002-11-15 00:00:00
abstract::Current immunotherapeutic trials for patients with multiple myeloma (MM) focus on the idiotype (Id) as a tumor-specific antigen for active immunization. To bypass the need for the identification of shared MM-associated antigens and the characterization of possible immunogenic T-cell epitopes in a human leukocyte antig...
journal_title:Blood
pub_type: 杂志文章
doi:10.1182/blood-2002-04-1273
更新日期:2003-02-01 00:00:00