Abstract:
:Expression of the human alpha 2A-adrenergic receptor gene is induced by cAMP. The present studies were designed to define potential cAMP-responsive enhancer elements (CREs) in the promoter region of this gene. Regions from the 5'-flanking sequences of the gene were placed in a promoterless vector with a chloramphenicol acetyltransferase (CAT) reporter gene, and cAMP-stimulated CAT activity was assayed in transfected JEG-3 placental carcinoma cells. Enhancer activity responsive to cAMP was located in DNA sequences both upstream and downstream from the endogenous promoter region. Within the upstream sequences there is a putative "core sequence" homologous to the eight base CRE consensus palindrome, but this region did not function independently as a CRE enhancer; additional upstream sequences were required to provide significant enhancer activity in response to cAMP. Regulation of expression of the alpha 2A-adrenergic gene by cAMP is complex and involves multiple and likely novel DNA sequences.
journal_name
Cell Signaljournal_title
Cellular signallingauthors
Shilo L,Sakaue M,Thomas JM,Philip M,Hoffman BBdoi
10.1016/0898-6568(94)90062-0subject
Has Abstractpub_date
1994-01-01 00:00:00pages
73-82issue
1eissn
0898-6568issn
1873-3913pii
0898-6568(94)90062-0journal_volume
6pub_type
杂志文章abstract::Macrophages take up oxidized low density lipoprotein (oxLDL) after being exposed to it in the blood vessels. oxLDL transforms macrophages into foam cells, which are a hallmark of atherosclerosis. The effects that oxLDL have on the inflammatory responses of foam cells are not clear. Here, we investigated how oxLDL modu...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2012.02.001
更新日期:2012-06-01 00:00:00
abstract::Tribbles 3 homolog (TRB3) is recently identified as a scaffold-like regulator of various signal transducers and has been implicated in several processes including insulin signaling, NF-kappaB signaling, lipid metabolism and BMP signaling. To further understand cellular mechanisms of TRB3 regulation, we performed a yea...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2008.01.010
更新日期:2008-05-01 00:00:00
abstract::Capsaicin (CAP), the pungent ingredient of chili peppers, inhibits growth of various solid cancers via TRPV1 as well as TRPV1-independent mechanisms. Recently, we showed that TRPV1 regulates intracellular calcium level and chromogranin A secretion in pancreatic neuroendocrine tumor (NET) cells. In the present study, w...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2013.09.014
更新日期:2014-01-01 00:00:00
abstract::How might a microbial cell that is entirely metabolically dormant - and which has the ability to remain so for extended periods of time - irreversibly commit itself to resuming vegetative growth within seconds of being exposed to certain amino acids or sugars? That this process takes place in the absence of any detect...
journal_title:Cellular signalling
pub_type: 杂志文章,评审
doi:10.1016/j.cellsig.2020.109729
更新日期:2020-10-01 00:00:00
abstract::Ubiquitination controls multiple cellular processes relevant to cancer pathogenesis. Using Gene Set Enrichment Analysis of an mRNA transcriptome dataset, we have identified genes encoding components of the ubiquitin system that are differentially expressed in colorectal cancers as compared to normal colonic mucosa. Am...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2012.08.012
更新日期:2013-01-01 00:00:00
abstract::Wnt proteins are secreted glycoproteins that bind to the N-terminal extra-cellular cysteine-rich domain of the Frizzled (Fzd) receptor family. The Fzd receptors can respond to Wnt proteins in the presence of Wnt co-receptors to activate the canonical and non-canonical Wnt pathways. Recent studies indicated that, among...
journal_title:Cellular signalling
pub_type: 杂志文章,评审
doi:10.1016/j.cellsig.2011.12.009
更新日期:2012-04-01 00:00:00
abstract::SIRT1 is a highly conserved type III acetyltransferase gene located on chromosome 10 in mammals that belong to the Sirtuins family. In order to explore the effects of the SIRT1 gene in the ATDC5 cell line, an RNAi SIRT1 target sequence was designed and synthesized, aimed to knockdown the expression of SIRT1 in ATDC5 b...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2018.09.016
更新日期:2019-01-01 00:00:00
abstract::Lysophosphatidic acid (LPA) and its ether analog alkyl-glycerophosphate (AGP) elicit arterial wall remodeling when applied intralumenally into the uninjured carotid artery. LPA is the ligand of eight GPCRs and the peroxisome proliferator-activated receptor gamma (PPARgamma). We pursued a gene knockout strategy to iden...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2009.08.003
更新日期:2009-12-01 00:00:00
abstract::Whole-cell currents activated by bath applications of acetylcholine (ACh) (10-30 microM) were recorded from patch-clamped myotubes of the mouse C2 cell line. Increasing concentrations of forskolin caused a dose-dependent fast decay of ACh-activated currents as compared to the long-lasting ACh-currents in control cells...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/0898-6568(90)90064-h
更新日期:1990-01-01 00:00:00
abstract::Interleukin-1 (IL-1) is the major prototypic proinflammatory cytokine that stimulates degradation of cartilage in arthritis by inducing prominent collagen II-degrading matrix metalloproteinase-13 (MMP-13). Nothing is known about the involvement of adaptor proteins, MyD88, IRAK1 and TRAF6 in MMP-13 regulation. Here we ...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2007.08.013
更新日期:2007-12-01 00:00:00
abstract::The peroxisome proliferator-activated receptor (PPAR) family was discovered from an orphan nuclear receptor approach, and thereafter, three subtypes were identified, namely PPARalpha, PPARbeta or PPARgamma and PPARgamma. The two former seem to regulate lipid homeostasis, whereas the latter is involved, among others, i...
journal_title:Cellular signalling
pub_type: 杂志文章,评审
doi:10.1016/s0898-6568(01)00281-9
更新日期:2002-07-01 00:00:00
abstract::Akt (also known as protein kinase B or PKB) comprises three closely related isoforms Akt1, Akt2 and Akt3 (or PKBα/β/γ respectively). We have a very good understanding of the mechanisms by which Akt isoforms are activated by growth factors and other extracellular stimuli as well as by oncogenic mutations in key upstrea...
journal_title:Cellular signalling
pub_type: 杂志文章,评审
doi:10.1016/j.cellsig.2011.05.004
更新日期:2011-10-01 00:00:00
abstract::We assign a new function to a tumor suppressor NPRL2 that activates the mTOR complex 1 (mTORC1) activity. The positive regulation of mTORC1 activity by NPRL2 is mediated through NPRL2 interaction with Raptor. While NPRL2 interacts with Rag GTPases, RagD in particular, to interfere with mTORC1 activity in amino acid sc...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2015.11.008
更新日期:2016-02-01 00:00:00
abstract::Placental syncytiotrophoblasts formed by the fusion of cytotrophoblasts constitute the interface between maternal and fetal circulations. The syncytium, composed of a continuous layer of syncytiotrophoblasts, assumes the fetal-maternal nutrient exchange, placental barrier, and endocrine functions important for the mai...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2013.01.008
更新日期:2013-04-01 00:00:00
abstract::The induction of cytolytic activity in PC60, a murine T-cell hybridoma, is paralleled by a rise in the level of BLT-esterase (N-alpha-benzyloxycarbonyl-L-lysine thiobenzyl esterase), a serine esterase specific for activated T-cells. Both interleukin-1 (IL-1) and dibutyryl cAMP were albe to increase the esterase activi...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/0898-6568(90)90045-c
更新日期:1990-01-01 00:00:00
abstract::SCF induces autophosphorylation of Kit and activates a variety of signaling components including Jnks, Erks, PI 3 Kinase, the JAK-Stat pathway and members of the Src family. Previously we showed that Lyn is activated at multiple points during SCF-induced cell cycle progression and contributes to SCF-mediated growth, c...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2004.06.004
更新日期:2005-01-01 00:00:00
abstract::Orexin-A and orexin-B orchestrate their diverse central and peripheral effects via two G-protein coupled receptors, OX1R and OX2R, which activate multiple G-proteins. In many tissues, orexins activate extracellular signal-regulated kinase (ERK(1/2)) and p38 mitogen-activated protein kinase (MAPK); however, the mechani...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2008.05.010
更新日期:2008-09-01 00:00:00
abstract::High levels of VEGF and leptin are strongly linked to worse prognosis of breast cancer. Leptin signalling upregulates VEGF in human and mouse mammary tumor cells (MT), but the specific molecular mechanisms are largely unknown. Pharmacologic and genetic approaches were used to dissect the mechanism of leptin regulation...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2010.05.003
更新日期:2010-09-01 00:00:00
abstract::Zfra is a small size 31-amino-acid C2H2 zinc finger-like protein, which is known to interact with c-Jun N-terminal kinase 1 (JNK1), WW domain-containing oxidoreductase (WWOX, FOR or WOX1), TNF receptor-associated death domain protein (TRADD) and nuclear factor kappaB (NF-kappaB) during stress response. Here, we show t...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2008.02.018
更新日期:2008-07-01 00:00:00
abstract::Glioblastoma (GBM) is an aggressive and devastating primary brain cancer which responds very poorly to treatment. The average survival time of patients is only 14-15 months from diagnosis so there is a clear and unmet need for the development of novel targeted therapies to improve patient outcomes. The multifunctional...
journal_title:Cellular signalling
pub_type: 杂志文章,评审
doi:10.1016/j.cellsig.2020.109638
更新日期:2020-08-01 00:00:00
abstract::Peroxisome proliferator-activated receptor γ (PPARγ) is a member of the nuclear receptor family and plays key roles in glucose and lipid metabolism. Its transcriptional control of target genes is mediated by ligand-dependent recruitment of coactivators. In this study, we demonstrate that a novel transcriptional modula...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2014.11.035
更新日期:2015-03-01 00:00:00
abstract::Pseudoxanthoma elasticum is an autosomal recessive genodermatosis with variable expression, due to mutations in the ABCC6 or ENPP1 gene. It is characterized by elastic fiber mineralization and fragmentation, resulting in skin, eye and cardiovascular symptoms. Significant advances have been made in the last 20 years wi...
journal_title:Cellular signalling
pub_type: 杂志文章,评审
doi:10.1016/j.cellsig.2018.12.009
更新日期:2019-03-01 00:00:00
abstract::The type III transmembrane adaptor protein linker for activation of T cells (LAT) is essential for membrane recruitment of signalling molecules following TCR activation. Here we show that although LAT deleted in the transmembrane domain is completely soluble, it can be tyrosine phosphorylated after anti-CD3 stimulatio...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/s0898-6568(01)00131-0
更新日期:2001-03-01 00:00:00
abstract::Strategies which can be used to elucidate the nature of a GTP-binding regulatory protein (G-protein) involved in an intracellular pathway of interest in the complex environment of the cell are described and evaluated. A desirable strategy is considered to be one in which the first stage indicates a requirement for one...
journal_title:Cellular signalling
pub_type: 杂志文章,评审
doi:10.1016/s0898-6568(96)00131-3
更新日期:1997-05-01 00:00:00
abstract::Antiviral responses can be triggered by the cytoplasmic RNA helicase RIG-I that binds to viral RNA. RIG-I-mediated signaling stimulates the transcription factors IRF3 and NF-κB and their activation mechanisms have been intensively studied. Here we examined Sendai virus (SV)-mediated activation of the transcription fac...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2013.05.014
更新日期:2013-09-01 00:00:00
abstract::Exogenous tritiated phosphatidylinositol bisphosphate added to antennal preparations from locust and cockroach was hydrolysed releasing inositol trisphosphate. High activity of phospholipase C was detected in the soluble as well as in the membrane fraction. At low free calcium concentrations hydrolysis of the labelled...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/0898-6568(90)90032-6
更新日期:1990-01-01 00:00:00
abstract::Lithium salts are important drugs to treat bipolar disorder. Previous work showed that lithium by enforcing the interaction between the transcription factor CREB and its coactivator CRTC1 enhanced cAMP-stimulated CREB-dependent gene transcription. Both CREB and CRTC have been implicated in neuronal adaptation, which m...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2012.09.016
更新日期:2013-01-01 00:00:00
abstract::Insulin/IGF-1 action is driven by a complex and highly integrated signalling network. Loss-of-function studies indicate that the major insulin/IGF-1 receptor substrate (IRS) proteins, IRS-1 and IRS-2, mediate different biological functions in vitro and in vivo, suggesting specific signalling properties despite their h...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2018.03.003
更新日期:2018-07-01 00:00:00
abstract::The mammalian target of rapamycin complex 1(mTORC1) integrates diverse signals to control cell growth, proliferation, survival, and metabolism. Role of reactive oxygen species (ROS) on mTORC1 signaling remains obscure and mechanisms through which ROS modulate mTORC1 are not known.We demonstrate that low doses ROS expo...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/j.cellsig.2010.05.015
更新日期:2010-10-01 00:00:00
abstract::Inositol 1,4,5-trisphosphate 5-phosphatase catalyses the dephosphorylation of the phosphate in the 5-position from inositol 1,4,5-trisphosphate and inositol 1,3,4,5-tetrakisphosphate. One particulate and two soluble enzymes were previously described in bovine brain. In this study, we have obtained a precipitating anti...
journal_title:Cellular signalling
pub_type: 杂志文章
doi:10.1016/0898-6568(90)90082-l
更新日期:1990-01-01 00:00:00