Abstract：
:Exposure of cells to agonists of receptors linked to G proteins can result in downregulation of cellular levels or redistribution of G proteins from membranes to the cytosol. Agonist-induced reductions in G protein levels have been observed for members of each of the Gs, Gi and Gq families of G proteins, are likely to be dependent upon the level of receptor expression, and are generally restricted to the G protein(s) with which the receptor interacts. The mechanisms responsible, reviewed here by Graeme Milligan, vary with cell type and include both second messenger-dependent and -independent enhanced protein degradation. Agonist-induced reduction in cellular G protein levels can provide one mechanism for the development of sustained heterologous desensitization.
journal_name
Trends Pharmacol Scijournal_title
Trends in pharmacological sciencesauthors
Milligan Gdoi
10.1016/0165-6147(93)90064-Qsubject
Has Abstractpub_date
1993-11-01 00:00:00pages
413-8issue
11eissn
0165-6147issn
1873-3735pii
0165-6147(93)90064-Qjournal_volume
14pub_type
杂志文章,评审abstract：:Protein engineering is a powerful tool for studying relationships between receptor structure and function--providing that it is used and interpreted appropriately. Site-directed mutagenesis, deletion mutagenesis and construction of chimaeric proteins have all been used to characterize receptors. In this review, Walter...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/0165-6147(90)90009-w
更新日期：1990-07-01 00:00:00
abstract：:The use of genetically-engineered mice has identified alpha2- and alpha3-subunit containing GABA(A) receptors as principal contributors to the spinal disinhibition that occurs after inflammation and neuropathic injury. Pharmacological comparison of subtype selective allosteric modulators such as NS11394 and L838417 wi...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2009.06.004
更新日期：2009-09-01 00:00:00
abstract：:Muscarinic acetylcholine receptor subtypes m1, m3 and m5 couple strongly to phosphatidylinositol turnover and hence to intracellular Ca2+ concentration via pertussis toxin (PTX) sensitive and insensitive G proteins. The m2 and m4 muscarinic receptor subtypes strongly inhibit adenylyl cyclase production via PTX sensiti...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：
更新日期：1989-12-01 00:00:00
abstract：:Endothelial-dependent relaxation of vascular smooth muscle cells evoked by a number of agonists, including cholinomimetics and substance P, is often accompanied by an increase (repolarization and/or hyperpolarization) in the membrane potential. This change in membrane potential appears predominantly to reflect the act...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/s0165-6147(00)88969-5
更新日期：1995-01-01 00:00:00
abstract：:The hippocampus is a crucial player across several learning and memory domains, and is highly vulnerable to alterations during aging. Several products of neurotransmitter genes and neuromodulator genes (which play important parts in mediating and maintaining cognitive ability as a function of age) are expressed in hip...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2010.10.002
更新日期：2011-01-01 00:00:00
abstract：:G protein-coupled receptors (GPCRs) comprise a large and diverse class of signal-transducing receptors that undergo dynamic and isoform-specific membrane trafficking. GPCRs thus have an inherent potential to initiate or regulate signaling reactions from multiple membrane locations. This review discusses emerging insig...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2017.11.009
更新日期：2018-02-01 00:00:00
abstract：:Much regarding the engagement of the G(12) family of heterotrimeric G proteins (G(12) and G(13)) by agonist-activated receptors remains unclear. For example, the identity of receptors that couple unequivocally to G(12) and G(13) and how signals are allocated among these and other G proteins remain open questions. Part...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2005.01.007
更新日期：2005-03-01 00:00:00
abstract：:Discoidin (DS) domains are found in eukaryotic and prokaryotic extracellular and transmembrane multidomain proteins. These small domains play different functional roles and can interact with phospholipids, glycans, and proteins, including collagens. DS domain-containing proteins are often involved in cellular adhesion...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2016.06.003
更新日期：2016-08-01 00:00:00
abstract：:Due to its negative chronotropic and inotropic effects, adenosine has to date been considered as a cardiodepressant agent. However, adenosine increases ventricular automaticity. This review by Jesus Hernández and Alexandre Ribeiro discusses the experimental and clinical evidence for the excitatory effects of adenosine...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/0165-6147(96)81589-6
更新日期：1996-04-01 00:00:00
abstract：:Central nervous system (CNS) drug development has been plagued by a failure to translate effective therapies from the lab to the clinic. There are many potential reasons for this, including poor understanding of brain pharmacokinetic (PK) and pharmacodynamic (PD) factors, preclinical study flaws, clinical trial design...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2020.09.002
更新日期：2020-11-01 00:00:00
abstract：:Chronic obstructive pulmonary disease (COPD) is caused mostly by cigarette smoking but its specific molecular mechanisms are obscure. Current theories suggest that the inflammation and oxidative stress induced by smoking lead to proteolytic imbalance and progressive lung structural derangement, with disease susceptibi...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/S0165-6147(02)00052-4
更新日期：2003-02-01 00:00:00
abstract：:Recent studies have proposed a functional link between annexin 1 (ANXA1), an endogenous anti-inflammatory mediator, and receptors of the formyl-peptide family. In particular, exogenous and endogenous ANXA1 and its peptidomimetics interact with one member of this family, the formyl-peptide-receptor-like 1. Further anal...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2003.09.010
更新日期：2003-11-01 00:00:00
abstract：:The United States is experiencing an epidemic of opioid overdose deaths. Many of the recent fatalities are associated with illicitly manufactured fentanyl, which is being added to heroin and counterfeit pain pills. The crisis is further exacerbated by the emergence of an increasing number of novel synthetic opioids (N...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2018.09.006
更新日期：2018-12-01 00:00:00
abstract：:Conus venoms from marine cone snails continue to provide novel bioactive components. Two new classes of conopeptide specifically block alpha(1)-adrenoceptors (rho-conopeptide) and noradrenaline transporters (chi-conopeptides). Both classes are small peptides with two disulfide bonds. Rho-conopeptide is structurally si...
journal_title：Trends in pharmacological sciences
pub_type： 新闻
doi：10.1016/s0165-6147(02)02012-6
更新日期：2002-05-01 00:00:00
abstract：:Data sets from recent large-scale projects can be integrated into one unified puzzle that can provide new insights into how drugs and genetic perturbations applied to human cells are linked to whole-organism phenotypes. Data that report how drugs affect the phenotype of human cell lines and how drugs induce changes in...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章
doi：10.1016/j.tips.2014.07.001
更新日期：2014-09-01 00:00:00
abstract：:Recruitment of leukocytes either during development or to the site of injury is crucial. The molecular regulation of cell trafficking is complex but well orchestrated by the temporal and spatial expression of a multitude of chemokines (chemoattractant cytokines) and chemokine receptors. The chemokines, classified prim...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/s0165-6147(99)01342-5
更新日期：1999-04-01 00:00:00
abstract：:The discovery of neuropeptides as signaling molecules with paracrine or hormonal regulatory functions has led to trailblazing advances in physiology and fostered the characterization of numerous neuropeptide-binding G protein-coupled receptors (GPCRs) as potential drug targets. The impact on human health has been trem...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2015.05.009
更新日期：2015-09-01 00:00:00
abstract：:Annexin A1 (ANXA1) is an endogenous protein known to have potent anti-inflammatory properties in the peripheral system. It has also been detected in the brain, but its function there is still ambiguous. In this review, we have, for the first time, collated the evidence currently available on the function of ANXA1 in t...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2007.12.003
更新日期：2008-03-01 00:00:00
abstract：:Hormesis is a generalizable dose-response relationship characterized by low-dose stimulation and high-dose inhibition. Despite debate over this biphasic dose-response curve, hormesis is challenging central beliefs in the evaluation of chemicals or drugs and has influenced biological model selection, concentration rang...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2020.05.004
更新日期：2020-08-01 00:00:00
abstract：:N-Methyl-D-aspartate (NMDA) receptors are tetrameric ion channels containing two of four possible GluN2 subunits. These receptors have been implicated for decades in neurological diseases such as stroke, traumatic brain injury, dementia and schizophrenia. The GluN2 subunits substantially contribute to functional diver...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2011.08.003
更新日期：2011-12-01 00:00:00
abstract：:Zn(2+) is the second most prevalent trace element in the body and is present in particularly large concentrations in the mammalian brain. Although Zn(2+) is a cofactor for many enzymes in all tissues, a unique feature of brain Zn(2+) is its vesicular localization in presynaptic terminals, where its release is dependen...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/s0165-6147(00)01541-8
更新日期：2000-10-01 00:00:00
abstract：:Sulfoconjugation of drugs and small xenobiotic and endogenous compounds in human tissues is primarily catalysed by cytosolic forms of sulfotransferase. In most instances, sulfate conjugation is associated with a decrease in the biological activity and an increase in the excretion of the sulfated compounds. However, su...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/0165-6147(91)90566-b
更新日期：1991-07-01 00:00:00
abstract：:Disorders of the central nervous system (CNS) have many etiologies compounded by limited options for treatment. The lack of successful treatments for these disorders stems from the difficulty of gaining effective access to the CNS through the blood-brain barrier, and the irreplaceable nature of neurons. Here, we revie...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2019.04.013
更新日期：2019-07-01 00:00:00
abstract：:The sialic acid-binding immunoglobulin-like lectins (Siglecs) are a family of immunomodulatory receptors whose functions are regulated by their glycan ligands. Siglecs are attractive therapeutic targets because of their cell type-specific expression pattern, endocytic properties, high expression on certain lymphomas/l...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2015.06.008
更新日期：2015-10-01 00:00:00
abstract：:Bioluminescence resonance energy transfer has developed in recent years as a new technique to study protein-protein interactions. Protein partners of interest are tagged with either luciferase or green fluorescent protein (GFP). Non-radiative energy transfer between the excited luciferase and the GFP permits the study...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/s0165-6147(02)02062-x
更新日期：2002-08-01 00:00:00
abstract：:Attempts to develop neuroprotective treatments for neurodegenerative disorders have not yet been clinically successful. Axonal degeneration has been recognized as a predominant driver of disability and disease progression in central nervous system (CNS) diseases such as amyotrophic lateral sclerosis (ALS), multiple sc...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2020.01.006
更新日期：2020-04-01 00:00:00
abstract：:Alanine-glyoxylate aminotransferase 2 (AGXT2) is a multifunctional mitochondrial aminotransferase that was first identified in 1978. The physiological importance of AGXT2 was largely overlooked for three decades because AGXT2 is less active in glyoxylate metabolism than AGXT1, the enzyme that is deficient in primary h...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2014.09.005
更新日期：2014-11-01 00:00:00
abstract：:Ischaemia-reperfusion (I/R) injury is a common feature of several diseases associated with high morbidity and mortality, such as stroke and myocardial infarction. The damaged tissue displays cardinal signs of inflammation and microvascular injury that, unless resolved, lead to long-term tissue damage with associated d...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2010.04.001
更新日期：2010-06-01 00:00:00
abstract：:5-Hydroxytryptamine (5-HT), dopamine and norepinephrine are important monoamine neurotransmitters implicated in multiple brain mechanisms and regulated by high-affinity transmembrane monoamine transporters. Although knockout mice lacking 5-HT, dopamine or norepinephrine transporters are widely used to assess brain mon...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2007.01.002
更新日期：2007-03-01 00:00:00
abstract：:The sialic-acid-binding immunoglobulin-like lectins (siglecs) comprise a family of receptors that are differentially expressed on leukocytes and other immune cells. The restricted expression of several siglecs to one or a few cell types makes them attractive targets for cell-directed therapies. The anti-CD33 (also kno...
journal_title：Trends in pharmacological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.tips.2009.02.005
更新日期：2009-05-01 00:00:00
