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Advances in Pharmacology

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https://www.readbyqxmd.com/read/29413531/foreword
#1
EDITORIAL
Les Iversen
No abstract text is available yet for this article.
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29413530/preface
#2
EDITORIAL
(no author information available yet)
No abstract text is available yet for this article.
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29413529/carboxypeptidase-e-and-the-identification-of-novel-neuropeptides-as-potential-therapeutic-targets
#3
Lloyd D Fricker
Peptides and small molecules that bind to peptide receptors are important classes of drugs that are used for a wide variety of different applications. The search for novel neuropeptides traditionally involved a time-consuming approach to purify each peptide to homogeneity and determine its amino acid sequence. The discovery in the 1980s of enkephalin convertase/carboxypeptidase E (CPE), and the observation that this enzyme was involved in the production of nearly every known neuropeptide led to the idea for a one-step affinity purification of CPE substrates...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29413528/nitric-oxide-signaling-in-neurodegeneration-and-cell-death
#4
Ted M Dawson, Valina L Dawson
In this tribute to Solomon H. Snyder (Sol) we discuss the mechanisms by which nitric oxide (NO) kills neurons. We provide a historical perspective regarding the discovery that glutamate excitotoxicity is mediated by NO. It also contains a discussion of the discovery that neuronal nitric oxide synthase (nNOS) catalytic activity accounts for NADPH diaphorase activity and its localization in the central nervous system. NADPH diaphorase/nNOS neurons are unique in that they are resistant to toxic effects of excess glutamate and that they are resistant to neurodegeneration in a variety of neurodegenerative diseases...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29413527/the-role-of-serine-racemase-in-the-pathophysiology-of-brain-disorders
#5
Joseph T Coyle, Darrick T Balu
The N-methyl-d-aspartate receptor (NMDAR) is unique in requiring two agonists to bind simultaneously to open its cation channel: the neurotransmitter, glutamate, and the coagonists, glycine, or d-serine. The Snyder laboratory was the first to clone serine racemase (SR), the enzyme that synthesizes d-serine, and to localize it immunocytochemically. Our laboratory has focused on the role of d-serine in brain disorders. Silencing the expression of SR, a risk gene for schizophrenia (SCZ), in mice (SR-/-), results in a phenotype that closely resembles SCZ including: cortical atrophy, reduced dendritic spine density and complexity, downregulation of parvalbumin-positive cortical GABAergic neurons, and cognitive impairments...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29413526/the-neurobiology-of-d-serine-signaling
#6
Herman Wolosker
d-Serine is a physiological coagonist of NMDA receptors involved in synaptic plasticity, neurodevelopment, and neurodegeneration. d-Serine is synthesized by the enzyme serine racemase, which converts l- to d-serine. Recent studies indicate that the supply of l-serine by astroglia fuels the neuronal synthesis of d-serine. This pathway, named the serine shuttle, highlights the importance of the glia-neuron metabolic crosstalk for regulating NMDA receptor activity. Dysfunction of different components of the serine shuttle pathway leads to neurodevelopmental defects, neurodegeneration, and may be involved in psychiatric diseases...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29413525/synaptotoxic-signaling-by-amyloid-beta-oligomers-in-alzheimer-s-disease-through-prion-protein-and-mglur5
#7
A Harrison Brody, Stephen M Strittmatter
Alzheimer's disease (AD) represents an impending global health crisis, yet the complexity of AD pathophysiology has so far precluded the development of any interventions to successfully slow or halt AD progression. It is clear that accumulation of Amyloid-beta (Aβ) peptide triggers progressive synapse loss to cause AD symptoms. Once initiated by Aβ, disease progression is complicated and accelerated by inflammation and by tau pathology. The recognition that Aβ peptide assumes multiple distinct states and that soluble oligomeric species (Aβo) are critical for synaptic damage is central to molecular understanding of AD...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29413524/mu-opioid-pharmacology-40-years-to-the-promised-land
#8
Gavril W Pasternak
Opioids continue to play a major role in medicine, but not without problems. Side effects limit their utility medically, while the potential of addiction has had a major societal impact. Pharmacologists have been trying to develop opioids lacking side effects since the first derivative, heroin, was synthesized in the 1870s. The identification of opioid receptors about 40 years ago opened up new insights into our understanding of opioid action, fueled by the molecular biology revolution of the 1980s and 1990s...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29413523/anti-nmda-receptor-encephalitis-clinical-features-and-basic-mechanisms
#9
David R Lynch, Amy Rattelle, Yi Na Dong, Kylie Roslin, Amy J Gleichman, Jessica A Panzer
In slightly more than 10 years, anti-NMDA receptor (NMDAR) encephalitis has changed from a rare paraneoplastic syndrome to the most common cause of nonviral encephalitis. It presents fulminantly with progressive psychosis, seizures, and autonomic dysfunction, leading to death if untreated. However, rapid recognition and treatment can lead to survival and a return to baseline levels of functioning in many patients. While initially associated with ovarian teratomas, it is now associated with other tumors and can reflect a postviral event...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29413522/receptor-binding-assays-and-drug-discovery
#10
David B Bylund, S J Enna
Although Solomon Snyder authored hundreds of research reports and several books covering a broad range of topics in the neurosciences, he is best known by many as the person who developed neurotransmitter receptor radioligand binding assays. By demonstrating the utility of this approach for studying transmitter receptors in brain, Dr. Snyder provided the scientific community with a powerful new tool for identifying and characterizing these sites, for defining their relationship to neurological and psychiatric disorders, and their involvement in mediating the actions of psychotherapeutics...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29413521/phosphorylation-of-the-amino-terminus-of-the-dopamine-transporter-regulatory-mechanisms-and-implications-for-amphetamine-action
#11
Caline S Karam, Jonathan A Javitch
Amphetamines (AMPHs) are potent psychostimulants that are widely used and abused, with profound medical and societal impact. Their actions at dopaminergic neurons are thought to mediate their therapeutic efficacy as well as their liability for abuse and dependence. AMPHs target the dopamine transporter (DAT), the plasmalemmal membrane protein that mediates the inactivation of released dopamine (DA) through its reuptake. AMPHs act as substrates for DAT and are known to cause mobilization of dopamine (DA) to the cell exterior via DAT-mediated reverse transport (efflux)...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29413520/rna-based-fluorescent-biosensors-for-detecting-metabolites-in-vitro-and-in-living-cells
#12
Samie R Jaffrey
Genetically encoded sensors are important tools for measuring metabolites and other small molecules in vitro and in live cells. Until recently, genetically encoded sensors exclusively comprised fluorescent proteins that undergo changes in Förster resonance energy transfer upon binding a target analyte. However, recently a new class of fluorescent sensor has been developed composed of RNA. These RNA-based sensors rely on Spinach and other RNA mimics of green fluorescent protein. In each case, the RNA-based sensors contain an analyte-binding aptamer domain which transduces binding of the analyte into a conformational change in Spinach...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29413519/imaging-translocator-protein-as-a-biomarker-of-neuroinflammation-in-dementia
#13
William C Kreisl, Ioline D Henter, Robert B Innis
Neuroinflammation has long been considered a potential contributor to neurodegenerative disorders that result in dementia. Accumulation of abnormal protein aggregates in Alzheimer's disease, frontotemporal dementia, and dementia with Lewy bodies is associated with the activation of microglia and astrocytes into proinflammatory states, and chronic low-level activation of glial cells likely contributes to the pathological changes observed in these and other neurodegenerative diseases. The 18kDa translocator protein (TSPO) is a key biomarker for measuring inflammation in the brain via positron emission tomography (PET)...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29413518/unique-effects-of-clozapine-a-pharmacological-perspective
#14
Jibran Y Khokhar, Angela M Henricks, Emily D K Sullivan, Alan I Green
Schizophrenia is a heterogenous and severe neuropsychiatric disorder that affects nearly 1% of the population worldwide. Antipsychotic drugs are the mainstay of treatment, but not all patients with schizophrenia respond to treatment with these agents. Clozapine, the first atypical antipsychotic, is a highly effective medication for patients with schizophrenia who do not respond to other antipsychotics. Although clozapine tends not to produce extrapyramidal symptoms, other side effects of the drug (e.g., agranulocytosis, myocarditis, seizures) limit its widespread use...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29413517/regulation-of-mitochondrial-cellular-and-organismal-functions-by-tspo
#15
Moshe Gavish, Leo Veenman
In 1999, the enigma of the 18kDa mitochondrial translocator protein (TSPO), also known as the peripheral-type benzodiazepine receptor, was the seeming disparity of the many functions attributed to TSPO, ranging from the potential of TSPO acting as a housekeeping gene at molecular biological levels to adaptations to stress, and even involvement in higher emotional and cognitive functioning, such as anxiety and depression. In the years since then, knowledge regarding the many functions modulated by TSPO has expanded, and understanding has deepened...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29413516/multiple-pathways-mediate-microrna-degradation-focus-on-the-translin-trax-rnase-complex
#16
Jay M Baraban, Aparna Shah, Xiuping Fu
The discovery of the microRNA system has revolutionized our understanding of translational control. Furthermore, growing appreciation of the pivotal role that de novo translation plays in activity-dependent synaptic plasticity has fueled interest among neuroscientists in deciphering how the microRNA system impacts neuronal signaling and the pathophysiology of neuropsychiatric disorders. Although we have a general understanding of how the microRNA system operates, many key questions remain. In particular, the biosynthesis of microRNAs and their role in translational silencing are fairly well understood...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29310806/preface
#17
EDITORIAL
Raouf A Khalil
No abstract text is available yet for this article.
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29310805/basic-components-of-vascular-connective-tissue-and-extracellular-matrix
#18
Jaroslava Halper
Though the composition of the three layers constituting the blood vessel wall varies among the different types of blood vessels, and some layers may even be missing in capillaries, certain basic components, and properties are shared by all blood vessels, though each histologically distinct layer contains a unique complement of extracellular components, growth factors and cytokines, and cell types as well. The structure and composition of vessel layers informs and is informed by the function of the particular blood vessel...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29310804/the-cytoskeletal-network-regulates-expression-of-the-profibrotic-genes-pai-1-and-ctgf-in-vascular-smooth-muscle-cells
#19
Rohan Samarakoon, Paul J Higgins
Vascular smooth muscle cells (VSMCs) are subject to changing hemodynamic stimuli that alter cytoskeletal dynamics, cellular architecture, and structure-associated signal transduction. Tensional stress, force application, and structural perturbations are sensed by VSMCs and impact the physiological as well as pathophysiological responses of the vasculature. Microtubule-targeting drugs provide useful tools to analyze cytoskeletal-associated signaling pathways and their linkages to pathological outcomes. Architecture-based controls on a subset of profibrotic genes commonly expressed in vascular disease are highlighted by their frequent induction in mechanically manipulated cells and with associated changes in cytoskeletal dynamics...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29310803/smoothelins-and-the-control-of-muscle-contractility
#20
Megha Murali, Justin A MacDonald
Smooth muscle cells display distinctive expression and organization of contractile filament proteins, which reflect a unique method of contractile regulation. As the focus of this review, the smoothelin and smoothelin-like family members represent a family of poorly understood muscle proteins that appear to act as structural components of the contractile apparatus. The protein family is characterized by the presence a single C-terminal type-2 calponin homology (CH) domain. Often used as the preferred marker of differentiated contractile smooth muscle cells, smoothelin A and B (SMTN-A and SMTN-B) may influence the contractile potential of smooth muscle cells...
2018: Advances in Pharmacology
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