Abstract:
:Preadipocytes constitutively express GATA-2 and GATA-3 that are required to halt the cells at the undifferentiated stage. However, we unexpectedly found that K-7174, a GATA-specific inhibitor, did not induce but rather inhibited differentiation of 3T3-L1 preadipocytes. It was associated with lack of lipid accumulation, blunted expression of adipocyte markers including adiponectin and peroxisome proliferator-activated receptor gamma (PPARgamma), and sustained expression of a preadipocyte marker monocyte chemoattractant protein 1 (MCP-1). Subsequent experiments revealed that K-7174 had the potential to induce endoplasmic reticulum (ER) stress evidenced by induction of GRP78 and CHOP. Other inducers of ER stress completely reproduced the effects of K-7174 including suppression of lipid accumulation, blockade of induction of adiponection and PPARgamma and maintenance of MCP-1 expression. These results indicated a possibility that ER stress suppresses adipocyte differentiation and that GATA inhibitor K-7174 has the potential for interfering with adipogenesis through induction of ER stress.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Shimada T,Hiramatsu N,Okamura M,Hayakawa K,Kasai A,Yao J,Kitamura Mdoi
10.1016/j.bbrc.2007.08.167subject
Has Abstractpub_date
2007-11-16 00:00:00pages
355-60issue
2eissn
0006-291Xissn
1090-2104pii
S0006-291X(07)01904-3journal_volume
363pub_type
杂志文章abstract::Polynuclear aromatic hydrocarbons (PAH) represent a large class of chemicals present in environment. We have used yeast strain ER(wt) expressing human estrogen receptor (hER) and an estrogen-sensitive reporter to characterize the estrogenic or anti-estrogenic activities of 21 PAHs. The PAHs did not exhibit estrogenic ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1996.1764
更新日期:1996-12-04 00:00:00
abstract::The rat glucokinase (GK) gene containing the first exon was isolated and its 5' flanking region was characterized by the bacterial chloramphenicol acetyltransferase (CAT) assay. A transient expression assay with a series of 5' deletion constructs (-5.5 k to -48) of GK-CAT fusion genes indicated that the 5' flanking se...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(89)91803-2
更新日期:1989-11-15 00:00:00
abstract::We have isolated and characterized the 5'-flanking region of the mouse RECK gene aiming to understand the mechanism of oncogene-mediated suppression of RECK gene expression. The upstream 52-base region was found to contain a promoter activity which is, to some extent, suppressed by the ras oncogene. This region contai...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1999.1552
更新日期:1999-11-02 00:00:00
abstract::Apoptosis induced in primary cultures of rat hepatocytes by transforming growth factor beta 1 (TGF-beta 1) was greatly attenuated by inhibitors (5 microM) of calpain I and calpain II, respectively. Both inhibitors prevented the TGF-beta-elicited increase of nucleosomal DNA fragments and the occurrence of DNA-breaks in...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1996.5777
更新日期:1997-02-13 00:00:00
abstract::The fau gene is the cellular homolog of the fox sequence in the Finkel-Biskis-Reilly Murine Sarcoma Virus (FBR-MuSV). This virus acquired the fau sequence in its reversed transcriptional orientation. Human and mouse fau cDNA's were identified and both encode a new protein of 133 AA. We show that fau (for FBR-MuSV asso...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(92)91286-y
更新日期:1992-09-16 00:00:00
abstract::Opioid agonists either potentiate or suppress basal cAMP production in SK-N-SH cells. The inhibitory effect is mediated by PTX-sensitive GTP-binding proteins, while the stimulatory effect involves Ca++ entry and calmodulin activation. Both pathways can be activated simultaneously by opioid agonists. Low (nM) concentra...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1998.8582
更新日期:1998-05-08 00:00:00
abstract::Coenzyme Q10 (CoQ10) protects retinal ganglion cells (RGCs) in experimental retinal ischemia and glaucoma by scavenging reactive oxygen species. We tested whether a diet supplemented with ubiquinol, the reduced form of CoQ10, promotes RGC survival and blocks the apoptotic pathway in ischemic mouse retina induced by ac...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2018.08.016
更新日期:2018-09-18 00:00:00
abstract::Two forms (G-I and G-II kinases) of casein kinase II(CK-II) in a partially purified CK-II fraction (Mono Q fraction) of mouse liver were separated by means of glycyrrhizin (GL)-affinity column chromatography. Biochemical characterization revealed that these two GL-binding kinases were identical to CK-II. Two phosphate...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1996.1474
更新日期:1996-10-03 00:00:00
abstract::The postnatal development and molecular properties of somatostatin receptor were studied in rat cerebral cortex. With [125I-Tyr11]SRIF as a radiolabeled ligand, the specific ligand binding to crude membrane increased transiently in the early phase of postnatal development and then decreased. This increase of somatosta...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(89)91622-7
更新日期:1989-04-14 00:00:00
abstract::The interaction of calcyclin with tropomyosin and tropomyosin-actin was studied with fluorescence titrations and photo-reactive crosslinking experiments. Titrations of pyreneiodoacetamide-labeled tropomyosin alone or with actin showed binding of calcyclin to tropomyosin with muM dissociation constants when Ca2+ was pr...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1996.0410
更新日期:1996-03-18 00:00:00
abstract::Recent studies have reported elevated expression of miR-181a in patients with non-alcoholic fatty liver disease (NAFLD), suggesting that it may play an important role in liver lipid metabolism and insulin resistance. We aimed to investigate the effect of miR-181a in lipid metabolism and find new treatments for NAFLD. ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2018.12.061
更新日期:2019-01-22 00:00:00
abstract::The disruption of the intracellular Ca(2+) homeostasis of Leishmania mexicana represents a major target for the action of drugs, such as amiodarone and miltefosine. However, little is known about the mechanism of Ca(2+) entry to these cells. Here we show the presence of a Ca(2+) channel in the plasma membrane of these...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2012.12.033
更新日期:2013-01-18 00:00:00
abstract::Lysophosphatidic acid (LPA) receptors belong to G protein-coupled transmembrane receptors (LPA receptors; LPA(1) to LPA(6)). They indicate a variety of cellular response by the interaction with LPA, including cell proliferation, migration and differentiation. Recently, we have reported that constitutive active mutated...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2012.05.012
更新日期:2012-06-01 00:00:00
abstract::The products of the human hepatitis B virus (HBV) and woodchuck hepatitis B virus X genes (pXs) transactivate homologous and heterologous genes including the HBV-X and core promoters, the human immunodeficiency viruses 1 (HIV-1) and 2 (HIV-2) long terminal repeats and the beta interferon regulatory sequences. We repor...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(91)90379-l
更新日期:1991-05-15 00:00:00
abstract::Reactive oxygen species (ROS) play a crucial role in various physiological and pathological processes mediated by β-adrenergic receptors (β-ARs) in cardiomyocytes. However, the sources and signaling pathways involved in ROS production induced by acute β-AR activation have not yet been fully defined. In primary neonata...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2017.05.140
更新日期:2017-08-05 00:00:00
abstract::We show here that the susceptibility of endothelial cells to Shiga toxin (Stx)s differs remarkably depending on their cellular origins. The concentration of Stx-1 required to reduce cell viability by 50% as measured by MTT assay was 30 and 300 fM for neonatal and adult human microvascular endothelial cells (HMVEC), re...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1998.9417
更新日期:1998-10-09 00:00:00
abstract::We investigated the action of vanadate on protein phosphorylation in microvessels isolated from rat brain. We found that a stimulation of protein phosphorylation from 32P-ATP occurs, in the presence of different concentrations of vanadate, 10(-3) M being the most effective dose. This action was time-dependent, and it ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(89)92289-4
更新日期:1989-09-15 00:00:00
abstract::Chemiluminescence in visible region was detected, during peroxidase-catalyzed oxidation of chlorpromazine at pH7.5 (but not at pH4.25) or of propericiazine, both at pH7.5 and at pH4.25. Red colored intermediates, cation radicals, were produced and decayed in all enzymatic systems used. Chemiluminescence was also detec...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(85)91707-3
更新日期:1985-08-15 00:00:00
abstract::Adenosine, a metabolite of ATP, ubiquitously exists in a wide range of organs and tissues. We previously reported that adenosine was implicated in apoptosis in many cancer cells by extrinsic and/or intrinsic pathways. Here, we found that adenosine suppresses the cell growth by induction of apoptosis of human colonic c...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2015.03.103
更新日期:2015-05-08 00:00:00
abstract::In this study we investigated the role of active site residues in the peroxidase activity of Orp1 (GPx3) using three different peroxide substrates. Using a structural homology model of the reduced form of Orp1, we identified Asn126 and Phe127 as evolutionarily conserved residues that line the back of the Orp1 active s...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2010.10.109
更新日期:2010-12-03 00:00:00
abstract::The human promyelocytic leukemia cell line HL-60 can be differentiated to cells resembling either neutrophils or mononuclear phagocytes by a diverse group of stimuli. However, the underlying mechanisms remain unknown. We report that 1-0-hexadecyl-2-acetyl-sn-glycerol inhibits the growth of HL-60 cells and induces diff...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/s0006-291x(84)80108-4
更新日期:1984-07-31 00:00:00
abstract::In rat adrenal dispersed cells, both vanadyl and vanadate inhibited ACTH-stimulated steroidogenesis and the formation of cAMP, whereas these compounds did not inhibit the cAMP-dependent steroidogenesis. Then, the membrane fraction was prepared and activated by various secretagogues including ACTH, Gpp(NH)p, GTP gamma ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(85)91706-1
更新日期:1985-08-15 00:00:00
abstract::Data on a new entity which inhibits the release of luteinizing hormone (LH), designated as factor C-LHIH, are presented. In vitro assays were carried out with pituitary glands from female rats. Factor C-LHIH and follicle stimulating hormone releasing hormone (FSHRH) initially fractionated together. FSHRH obscured C...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/s0006-291x(75)80011-8
更新日期:1975-03-03 00:00:00
abstract::Dysfunction of Girdin plays a crucial role in the development of a variety of tumors. Phosphorylated regulation of Girdin has been studied extensively. However, how Girdin is dephosphorylated remains unclear. In this study, we report a mechanism of Girdin dephosphorylation and the importance of this mechanism in the m...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2019.03.167
更新日期:2019-05-21 00:00:00
abstract::In the present study the molecular mechanisms underlying tetradecanoylphorbol-13-acetate (TPA) mediated regulation of the human gamma-glutamyltransferase (GGT) gene were examined. TPA challenge of HeLa cells resulted in an increase of GGT mRNA and enzyme activity. Deletion analysis of the promoter revealed that the -3...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2003.11.121
更新日期:2004-01-09 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::Leber hereditary optic neuropathy (LHON) was the first disease to be linked to the presence of a mitochondrial DNA (mtDNA) mutation. Nowadays over 95% of LHON cases are known to be caused by one of three primary mutations (m.11778G>A, m.14484T>C, and m.3460G>A). Reports for other (rare) primary mutations in LHON patie...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2009.06.051
更新日期:2009-08-21 00:00:00
abstract::Autophagy is a tightly regulated self-digestion system. As in other cell types, autophagy plays an essential role in the homeostasis of pancreatic beta cells. However, the mechanisms involved in the deterioration of beta cell function caused by autophagic failure have not yet been fully elucidated. To gain insight int...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2014.09.040
更新日期:2014-10-10 00:00:00
abstract::Although compelling data have demonstrated the effectiveness of estrogen replacement therapy for the treatment of accelerated bone loss in postmenopausal osteoporosis and ovariectomized animals, the mechanisms by which estrogens reduce bone resorption remain to be elucidated. To address this issue, in the present stud...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1999.0215
更新日期:1999-02-24 00:00:00
abstract::We have investigated the possible presence of endothelin-metabolizing neutral endopeptidase (NEP, EC 3.4.24.11) on A10 cell membranes using [125I]-ET-1 binding and direct measurements of NEP. NEP activity of A10 cell membranes has been compared to that of solubilized rat kidney brush border membranes (KNEP). Specific ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(91)90941-y
更新日期:1991-04-15 00:00:00