Abstract:
BACKGROUND AND AIMS:Acute graft-versus-host disease (GVHD) is a major complication after allogeneic hematopoietic stem cell transplantation, which often targets gastrointestinal (GI) tract. Osteopontin (OPN) plays an important physiological role in the efficient development of Th1 immune responses and cell survival by inhibiting apoptosis. The role of OPN in acute GI-GVHD is poorly understood. In the present study, we investigated the role of OPN in donor T cells in the pathogenicity of acute GI-GVHD. METHODS:OPN knockout (KO) mice and C57BL/6 (B6) mice were used as donors, and (C57BL/6 × DBA/2) F1 (BDF1) mice were used as allograft recipients. Mice with acute GI-GVHD were divided into three groups: the control group (BDF1→BDF1), B6 group (B6→BDF1), and OPN-KO group (OPN-KO→BDF1). Bone marrow cells and spleen cells from donors were transplanted to lethally irradiated recipients. Clinical GVHD scores were assessed daily. Recipients were euthanized on day 7 after transplantation, and colons and small intestines were collected for various analyses. RESULTS:The clinical GVHD score in the OPN-KO group was significantly increased compared with the B6 and control groups. We observed a difference in the severity of colonic GVHD between the OPN-KO group and B6 group, but not small intestinal-GVHD between these groups. Interferon-γ, Tumor necrosis factor-α, Interleukin-17A, and Interleukin-18 gene expression in the OPN-KO group was differed between the colon and small intestine. Flow cytometric analysis revealed that the fluorescence intensity of splenic and colonic CD8 T cells expressing Fas Ligand was increased in the OPN-KO group compared with the B6 group. CONCLUSION:We demonstrated that the importance of OPN in T cells in the onset of acute GI-GVHD involves regulating apoptosis of the intestinal cell via the Fas-Fas Ligand pathway.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Kawakami K,Minami N,Matsuura M,Iida T,Toyonaga T,Nagaishi K,Arimura Y,Fujimiya M,Uede T,Nakase Hdoi
10.1016/j.bbrc.2017.02.047subject
Has Abstractpub_date
2017-04-01 00:00:00pages
468-475issue
2eissn
0006-291Xissn
1090-2104pii
S0006-291X(17)30315-7journal_volume
485pub_type
杂志文章abstract::Acute stress has been shown to enhance learning and memory ability, predominantly through the action of corticosteroid stress hormones. However, the valuable targets for promoting learning and memory induced by acute stress and the underlying molecular mechanisms remain unclear. Acid-sensing ion channels (ASICs) play ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2018.03.122
更新日期:2018-04-15 00:00:00
abstract::Angiopoietin-2 (Ang-2) plays an important role in destabilizing vessels for angiogenesis, however its transcriptional regulation has not been determined. Here we isolated about 3.2kb of the 5' upstream of the human Ang-2 gene and further characterized the transcriptional regulation of Ang-2. We found 10 Ets binding si...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2004.02.019
更新日期:2004-03-26 00:00:00
abstract::We have previously shown that sphingosine 1-phosphate (S1P) stimulates motility of human umbilical vein endothelial cells (HUVECs) (O.-H. Lee et al., Biochem. Biophys. Res. Commun. 264, 743-750, 1999). To investigate the molecular mechanisms by which S1P stimulates HUVEC motility, we examined tyrosine phosphorylation ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.2000.2087
更新日期:2000-02-05 00:00:00
abstract::Quercetin is one of the most prominent dietary antioxidants. During its antioxidant activity, quercetin becomes oxidized into its o-quinone/quinone methide QQ. QQ is toxic since it instantaneously reacts with thiols of, e.g., proteins. In cells, QQ will initially form an adduct with glutathione (GSH), giving GSQ. We h...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2005.10.031
更新日期:2005-12-16 00:00:00
abstract::An organic extract of Nitzschia alba cells possesses ionophoretic activity towards silicate, as it induces silicate transport across an organic phase or across synthetic lipid membranes. The activity is dependent upon Na+ and prefers silicon to germanium, a congener. The activity can be resolved into two apparently pu...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(83)91636-4
更新日期:1983-07-18 00:00:00
abstract::The α2-adrenoceptor inducer dexmedetomidine protects against acute lung injury (ALI), but the mechanism of this effect is largely unknown. The present study investigated the effect of dexmedetomidine on apoptosis induced by lipopolysaccharide (LPS) and the relationship between this effect and gap junction intercellula...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2017.10.162
更新日期:2018-01-01 00:00:00
abstract::HSP60 has been proved to be closely related to atherosclerosis due to its antigenicity. To determine this antigenicity effect, the ApoE-/- mice were fed with western-type diet and HSP60 was administrated orally or subcutaneously (SC) for potential vaccine against atherosclerosis. Here, we observed the ApoE-/- mice wit...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2017.10.150
更新日期:2018-04-15 00:00:00
abstract::The effects of omeprazole on developing rat stomach mucosa were investigated. Infant rats were given subcutaneous injections of either omeprazole (25 mg/kg body weight/day) or vehicle once a day from the day after birth. As a result, omeprazole caused an elevation of mucosal pH and suppressed an increase in mucosal pe...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1993.2477
更新日期:1993-11-30 00:00:00
abstract::Hemiacetylcarnitinium (2S,6R:2R,65)-6-carboxymethyl-2-hydroxy-2,4,4- trimethylmorpholinium) chloride is a relatively potent competitive inhibitor (Ki = 0.89 mM) of pigeon breast carnitine acetyltransferase (CAT) and of the crude rat liver CAT (Ki = 4.72 mM) but is neither an inhibitor nor an effective substrate for pu...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/s0006-291x(86)80558-7
更新日期:1986-07-31 00:00:00
abstract::The relationship between vascular tone and the induction by endotoxin of a nitric oxide (NO) synthase was studied in vitro in rings of rat thoracic aorta. In rings with and without endothelium there was a time-dependent induction of NO synthase accompanied by both spontaneous and L-arginine-induced relaxation and by r...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/s0006-291x(05)80068-3
更新日期:1990-12-14 00:00:00
abstract::The reaction of partially purified human O6-alkylguanine-DNA alkyltransferase with 1,3-bis(2-chloroethyl)-1-nitrosourea-treated DNA resulted in formation of a DNA-protein covalent complex. Complex formation required active alkyltransferase and brief treatment of DNA with the drug. DNA lost its capacity to form the com...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(87)90279-8
更新日期:1987-01-30 00:00:00
abstract::A recent report has shown that in vitro the RAMP2/CRLR complex is a functional adrenomedullin receptor in human endothelial and vascular smooth muscle cells. However, in vivo, it is well known that CGRP receptors are expressed in human coronary arteries and that a beneficial effect is observed in patients after CGRP i...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.2000.2552
更新日期:2000-04-21 00:00:00
abstract::Non-small cell lung cancer (NSCLC) has been identified as a leading cause of tumor-associated death around the world. Presently, it is necessary to find effective and safe therapy for its treatment in clinic. Jervine (Jer), a sterodial alkaloid from rhizomes of Veratrum album, exhibits anti-inflammatory and anti-cance...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2020.08.023
更新日期:2020-12-10 00:00:00
abstract::Conjugal transfer of hydrogen-oxidizing ability (Hox) of the hydrogen bacterium Alcaligenes hydrogenophilus was examined. Intraspecific cross of plasmid pHG21-a that encodes hydrogenases that mediate hydrogen oxidation was most frequent at 25 C; the optimal temperature for growth was 30 C. The plasmid could be transfe...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(86)91182-4
更新日期:1986-05-29 00:00:00
abstract::We have designed a strategy to isolate and identify genes (cDNAs) coding for distantly-related members within a large multigene family. We have used limited protein sequence information data to delineate conserved regions where members of a supergene family are related. Comparison of the nucleotide sequences of such c...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(90)91747-g
更新日期:1990-02-28 00:00:00
abstract::Parathyroid hormone (PTH) enhances cystic fibrosis transmembrane conductance regulator (CFTR)-mediated anion secretion by the human intestinal epithelial cell line Caco-2. With the patch-clamp and Ussing chamber techniques, we investigated how PTH stimulates CFTR activity in Caco-2 cells. Cell-attached recordings reve...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2019.12.106
更新日期:2020-03-12 00:00:00
abstract::The maximal activity of the enzymes hexokinase and 6-phosphofructokinase were measured in interscapular brown adipose tissue during ageing in the rat. The activity of these glycolytic enzymes increased markedly during the suckling-weaning transition (20-22 days of age), but from 30 to 100 days of age the activities pe...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(86)91107-1
更新日期:1986-10-15 00:00:00
abstract::The cardiotoxin analogue III (CTX III), isolated from the Taiwan Cobra venom (Naja naja atra), is a sixty amino acid, all beta-sheet protein. The 2,2,2-trifluoro ethanol (TFE) induced unfolding of CTX III is studied under acidic conditions (pH 2.5). Using circular dichroism, 1-anilino-8-napthalene sulphonic acid bindi...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1995.1221
更新日期:1995-02-15 00:00:00
abstract::Targeting the centromeres of chromosomes 3, 7, 17 (CEP3, 7, 17) and the 9p21-locus (LSI9p21) for diagnosing bladder cancer (BC) is time- and cost-intensive and requires a manual investigation of the sample by a well-trained investigator thus overall limiting its use in clinical diagnostics and large-scaled epidemiolog...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2014.04.137
更新日期:2014-06-13 00:00:00
abstract::Structure-function relationships in the 6 epidermal growth factor-like domains of human thrombomodulin (TME, residues 227-462) were studied by deletion mutagenesis. Purified and characterised proteins were used for kinetic studies. Deletion of EGF1, EGF2 and residues 310-332 in EGF3 had no effect on thrombin binding (...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(92)91662-a
更新日期:1992-06-15 00:00:00
abstract::Cells have developed compensatory mechanisms to restore cell volume, and the ability to resist osmotic swelling or shrinkage parallels their resistance to necrosis or apoptosis. There are several mechanisms by which cells adapt to hyposmotic stress including that of regulatory volume decrease. In ischemia and reperfus...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2006.10.004
更新日期:2006-12-01 00:00:00
abstract::P-selectin (CD62P) is a cell adhesion molecule expressed on stimulated endothelial cells and on activated platelets. It interacts with PSGL-1 (P-selectin glycoprotein ligand-1; CD162) on leukocytes and mediates recruitment of leukocytes during inflammation. P-selectin also binds to several types of cancer cells in vit...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.2001.5806
更新日期:2001-11-02 00:00:00
abstract::Type 2 diabetes mellitus is thought to be partially associated with endoplasmic reticulum (ER) stress toxicity on pancreatic beta cells and the result of decreased insulin synthesis and secretion. In this study, we showed that a well-known insulin sensitizer, metformin, directly protects against dysfunction and death ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2011.11.073
更新日期:2012-01-06 00:00:00
abstract::Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive, and often fatal pulmonary disorder, and its pathology is characterized by parenchymal fibrosis. To investigate the characteristics of fibroblasts in IPF, we obtained eight fibroblast cell lines from lungs with IPF and eight lines from normal lungs. We foun...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2006.12.128
更新日期:2007-02-23 00:00:00
abstract::Pulmonary hypertension (PH) is an important pathophysiological process in the development of many diseases. However, the mechanism responsible for the development of PH remains unknown. The objective of the study was to explore the possible impact of sulfur dioxide (SO2) on the endogenous hydrogen sulfide (H2S) pathwa...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2013.03.014
更新日期:2013-04-19 00:00:00
abstract::AIDS patients (2 groups) had a blood deficiency (p less than 0.001) of coenzyme Q10 vs. 2 control groups. AIDS patients had a greater deficiency (p less than 0.01) than ARC patients. ARC patients had a deficiency (p less than 0.05) vs. control. HIV-infected patients had a deficiency (p less than 0.05) vs. control. The...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/s0006-291x(88)81179-3
更新日期:1988-06-16 00:00:00
abstract::FKBP59-HBI, a heat shock protein hsp90-binding immunophilin that was originally detected in heterooligomer forms of steroid receptors, is retained on Calmodulin (CAM)-Sepharose 4B in the presence of 2 mM Ca2+ and is eluted by EGTA, demonstrating a specific p59-CAM interaction. The p59 amino acid sequence reveals the p...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(92)90448-t
更新日期:1992-09-30 00:00:00
abstract::With age human collagen demonstrates, amongst other changes, reductions in solubility, elasticity and permeability. Many of these changes have been attributed to non-enzymic glycosylation (glycation)-a spontaneous addition of sugar molecules to any protein with free amino groups. The resulting formation and accumulati...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1994.1282
更新日期:1994-03-15 00:00:00
abstract::Cytotoxic lymphocytes utilize granule associated serine proteases (granzymes) and perforin to induce apoptosis. Although the importance of granzyme B has been established by gene ablation experiments, biochemical events initiated by the granzyme remain enigmatic. We show here that exposure of Jurkat cells to granzyme ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1996.1565
更新日期:1996-10-23 00:00:00
abstract::C-C chemokine receptor 7 (CCR7) and its ligands CCL19 contributes to the directional migration of certain cancer cell lines, but its role in the migration of BMSCs remains vague. The aim of this study was to determine the possible interaction between CCL19-induced conditions and matrix metalloproteinases-9 (MMP9) expr...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2014.07.112
更新日期:2014-08-22 00:00:00