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Pharmacology & Therapeutics

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https://www.readbyqxmd.com/read/29763648/autism-spectrum-disorder-classification-diagnosis-and-therapy
#1
REVIEW
Samata R Sharma, Xenia Gonda, Frank I Tarazi
Autism Spectrum Disorder (ASD) refers to a group of neurodevelopmental disorders including autism, Asperger's syndrome (AS) and pervasive developmental disorder-not otherwise specified (PDD-NOS). The new diagnostic criteria of ASD focuses on two core domains: social communication impairment and restricted interests/repetitive behaviors. The prevalence of ASD has been steadily increasing over the past two decades, with current estimates reaching up to 1 in 36 children. Hereditary factors, parental history of psychiatric disorders, pre-term births, and fetal exposure to psychotropic drugs or insecticides have all been linked to higher risk of ASD...
May 12, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29742480/clinical-benefits-and-pharmacology-of-scutellarin-a-comprehensive-review
#2
REVIEW
Liping Wang, Qiang Ma
Stroke and myocardial infarction are among the most common causes of mortality and disability in the world. The ischemic injury underlying these illnesses is complex, involving intricate interplays among many biological functions including energy metabolism, vascular regulation, hemodynamics, oxidative stress, inflammation, platelet activation, and tissue repair that take place in a context- and time-dependent manner. The current drug therapy of choice is to timely resupply the blood to the ischemic tissue; but reperfusion may introduce additional harm to the tissue through a process known as ischemia/reperfusion injury...
May 6, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29742479/flaviviridae-virus-nonstructural-proteins-5-and-5a-mediate-viral-immune-evasion-and-are-promising-targets-in-drug-development
#3
REVIEW
Shun Chen, Chao Yang, Wei Zhang, Suresh Mahalingam, Mingshu Wang, Anchun Cheng
Infections with viruses in the Flaviviridae family have a vast global and economic impact because of the high morbidity and mortality. The pathogenesis of Flaviviridae infections is very complex and not fully understood because these viruses can inhibit multiple immune pathways including the complement system, NK cells, and IFN induction and signalling pathways. The non-structural (NS) 5 and 5A proteins of Flaviviridae viruses are highly conserved and play an important role in resisting host immunity through various evasion mechanisms...
May 6, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29742478/autoimmune-phenotypes-in-schizophrenia-reveal-novel-treatment-targets
#4
REVIEW
Emily G Severance, Faith B Dickerson, Robert H Yolken
Typical and atypical antipsychotics are the first-line treatments for schizophrenia, but these classes of drugs are not universally effective, and they can have serious side effects that impact compliance. Antipsychotic drugs generally target the dopamine pathways with some variation. As research of schizophrenia pathophysiology has shifted away from a strictly dopamine-centric focus, the development of new pharmacotherapies has waned. A field of inquiry with centuries-old roots is gaining traction in psychiatric research circles and may represent a new frontier for drug discovery in schizophrenia...
May 6, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29730444/arid1a-loss-in-cancer-towards-a-mechanistic-understanding
#5
REVIEW
Radhika Mathur
Genes encoding subunits of SWI/SNF chromatin remodeling complexes are collectively mutated in 20% of all human cancers. ARID1A is the SWI/SNF subunit gene that is most frequently mutated, at variable frequencies across molecular and histological subtypes of cancer. Mouse modeling has revealed that the role of ARID1A in tumor suppression is highly dependent upon context. Recent mechanistic studies have identified a crucial role for ARID1A in targeting SWI/SNF complexes to tissue-specific enhancers and in maintaining their chromatin accessibility...
May 3, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29730443/therapeutic-antibodies-a-new-era-in-the-treatment-of-respiratory-diseases
#6
REVIEW
T Sécher, L Guilleminault, K Reckamp, I Amanam, L Plantier, N Heuzé-Vourc'h
Respiratory diseases affect millions of people worldwide, and account for significant levels of disability and mortality. The treatment of lung cancer and asthma with therapeutic antibodies (Abs) is a breakthrough that opens up new paradigms for the management of respiratory diseases. Antibodies are becoming increasingly important in respiratory medicine; dozens of Abs have received marketing approval, and many more are currently in clinical development. Most of these Abs target asthma, lung cancer and respiratory infections, while very few target chronic obstructive pulmonary disease - one of the most common non-communicable causes of death - and idiopathic pulmonary fibrosis...
May 3, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29730442/towards-optimization-of-estrogen-receptor-modulation-in-medicine
#7
REVIEW
Marie-Cécile Valéra, Coralie Fontaine, Marion Dupuis, Emmanuelle Noirrit-Esclassan, Alexia Vinel, Maeva Guillaume, Pierre Gourdy, Françoise Lenfant, Jean-François Arnal
Women now spend more than one-third of their lives in the postmenopausal years, and the decline of endogenous estrogen production during menopause is accompanied by a series of functional disorders that affect the quality of life. These symptoms could be alleviated or even totally suppressed by menopausal hormone therapy (MHT), initially based on natural estrogens extracted from the urine of pregnant mares (mainly in the USA, using the oral route) and later from the synthesis of the natural estrogen, 17β-estradiol (mainly in Europe, in particular using the transdermal route)...
May 3, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29730276/mechanism-of-n-6-methyladenosine-modification-and-its-emerging-role-in-cancer
#8
REVIEW
Sicong Zhang
N6 -methyladenosine (m6 A), the most prevalent internal methylation in messenger RNA (mRNA) that is deposited by m6 A methyltransferases, removed by m6 A demethylases and recognized by different RNA-binding proteins, distinguishes the transcripts through multilayer interactions with mRNA processing, export, degradation and translation machineries. m6 A plays an important role in regulation of gene expression for fundamental cellular processes and diverse physiological functions. Aberrant m6 A decorations lead to cancer but also have the potential to yield new therapies...
May 3, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29709423/basic-and-clinical-aspects-of-antimuscarinic-agents-used-to-treat-overactive-bladder
#9
REVIEW
Shizuo Yamada, Yoshihiko Ito, Saori Nishijima, Katsumi Kadekawa, Kimio Sugaya
Antimuscarinic agents are now widely used as the pharmacological therapy for overactive bladder (OAB) because neuronal (parasympathetic nerve) and non-neuronal acetylcholine play a significant role for the bladder function. In this review, we will highlight basic and clinical aspects of eight antimuscarinic agents (oxybutynin, propiverine, tolterodine, solifenacin, darifenacin, trospium, imidafenacin, and fesoterodine) clinically used to treat urinary dysfunction in patients with OAB. The basic pharmacological characteristics of these eight antimuscarinic agents include muscarinic receptor subtype selectivity, functional bladder selectivity, and muscarinic receptor binding in the bladder and other tissues...
April 27, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29698683/anticancer-drug-induced-cardiac-rhythm-disorders-current-knowledge-and-basic-underlying-mechanisms
#10
REVIEW
Joachim Alexandre, Javid Moslehi, Kevin R Bersell, Christian Funck-Brentano, Dan M Roden, Joe-Elie Salem
Significant advances in cancer treatment have resulted in decreased cancer related mortality for many malignancies with some cancer types now considered chronic diseases. Despite these improvements, there is increasing recognition that many cancer patients or cancer survivors can develop cardiovascular diseases, either due to the cancer itself or as a result of anticancer therapy. Much attention has focused on heart failure; however, other cardiotoxicities, notably cardiac rhythm disorders, can occur without underlying cardiomyopathy...
April 24, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29684469/imaging-techniques-to-study-drug-transporter-function-in-vivo
#11
REVIEW
Nicolas Tournier, Bruno Stieger, Oliver Langer
Transporter systems involved in the permeation of drugs and solutes across biological membranes are recognized as key determinants of pharmacokinetics. Typically, the action of membrane transporters on drug exposure to tissues in living organisms is inferred from invasive procedures, which cannot be applied in humans. In recent years, imaging methods have greatly progressed in terms of instruments, synthesis of novel imaging probes as well as tools for data analysis. Imaging allows pharmacokinetic parameters in different tissues and organs to be obtained in a non-invasive or minimally invasive way...
April 22, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29684466/the-g-protein-coupled-receptor-gpr34-the-past-20-years-of-a-grownup
#12
REVIEW
Torsten Schöneberg, Jaroslawna Meister, Alexander Bernd Knierim, Angela Schulz
Research on GPR34, which was discovered in 1999 as an orphan G protein-coupled receptor of the rhodopsin-like class, disclosed its physiologic relevance only piece by piece. Being present in all recent vertebrate genomes analyzed so far it seems to improve the fitness of species although it is not essential for life and reproduction as GPR34-deficient mice demonstrate. However, closer inspection of macrophages and microglia, where it is mainly expressed, revealed its relevance in immune cell function. Recent data clearly demonstrate that GPR34 function is required to arrest microglia in the M0 homeostatic non-phagocytic phenotype...
April 22, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29684468/bile-acid-regulation-a-novel-therapeutic-strategy-in-non-alcoholic-fatty-liver-disease
#13
REVIEW
Qinwei Yu, Zhenzhou Jiang, Luyong Zhang
Non-alcoholic fatty liver disease (NAFLD) is characterized by excessive fat deposition in the liver in the absence of significant alcohol consumption. Dysregulated bile acid (BA) metabolism is an important indicator in the pathology of NAFLD, which could progress into more severe forms of liver injury. Lipid metabolism, immune environment and intestinal bacteria are all affected by dysregulated BA metabolism directly, but the mechanisms remain unclear. Several drug candidates that target BA metabolism, either used alone or in combination with other agents, are currently under development for treatment of NAFLD...
April 20, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29684467/vitamin-c-for-the-treatment-of-sepsis-the-scientific-rationale
#14
REVIEW
Paul E Marik
Most vertebrates can synthesize vitamin C with synthesis increasing during stress. Humans, however, have lost the ability to synthesize vitamin C. Vitamin C is an important anti-oxidant and an enzyme cofactor for many important biological reactions. Sepsis results in the overwhelming production of reactive oxygen species with widespread endothelial, cellular and mitochondrial injury leading to progressive organ failure. Sepsis is associated with an acute deficiency of vitamin C. In experimental sepsis models, intravenous vitamin C reduces organ injury and improves survival...
April 20, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29669262/dna-mismatch-repair-in-cancer
#15
REVIEW
Marina Baretti, Dung T Le
Microsatellite instability (MSI) refers to the hypermutator phenotype secondary to frequent polymorphism in short repetitive DNA sequences and single nucleotide substitution, as consequence of DNA mismatch repair (MMR) deficiency. MSI secondary to germline mutation in DNA MMR proteins is the molecular fingerprint of Lynch syndrome (LS), while epigenetic inactivation of these genes is more commonly found in sporadic MSI tumors. MSI occurs at different frequencies across malignancies, although original methods to assess MSI or MMR deficiency have been developed mostly in LS related cancers...
April 15, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29660367/natural-killer-cells-and-their-therapeutic-role-in-pancreatic-cancer-a-systematic-review
#16
REVIEW
Jonas R M Van Audenaerde, Geert Roeyen, Phillip K Darcy, Michael H Kershaw, M Peeters, Evelien L J Smits
Pancreatic cancer is among the three deadliest cancers worldwide with the lowest 5-year survival of all cancers. Despite all efforts, therapeutic improvements have barely been made over the last decade. Even recent highly promising targeted and immunotherapeutic approaches did not live up to their expectations. Therefore, other horizons have to be explored. Natural Killer (NK) cells are gaining more and more interest as a highly attractive target for cancer immunotherapies, both as pharmaceutical target and for cell therapies...
April 13, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29660366/tools-and-drugs-for-uracil-nucleotide-activated-p2y-receptors
#17
REVIEW
Muhammad Rafehi, Christa E Müller
P2Y receptors (P2YRs) are a family of G protein-coupled receptors activated by extracellular nucleotides. Physiological P2YR agonists include purine and pyrimidine nucleoside di- and triphosphates, such as ATP, ADP, UTP, UDP, nucleotide sugars, and dinucleotides. Eight subtypes exist, P2Y1 , P2Y2 , P2Y4 , P2Y6 , P2Y11 , P2Y12 , P2Y13 , and P2Y14 , which represent current or potential future drug targets. Here we provide a comprehensive overview of ligands for the subgroup of the P2YR family that is activated by uracil nucleotides: P2Y2 (UTP, also ATP and dinucleotides), P2Y4 (UTP), P2Y6 (UDP), and P2Y14 (UDP, UDP-glucose, UDP-galactose)...
April 13, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29649500/cancer-development-and-therapy-resistance-spotlights-on-the-dark-side-of-the-genome
#18
REVIEW
Eleonora Leucci
Cancer research has been focusing so far on genetic alterations in protein-coding genes. However, mounting evidence underlines the importance of epigenetic and post-transcriptional events in cancer progression and therapy resistance. Moreover, recent genome-wide studies show that disease-causing mutations and chromosome rearrangements often span areas of the genome that do not contain any known protein-coding gene. This finding is not surprising, considering that even though the vast majority of the human genome is transcribed, only a minor portion (accounting for less than 2%) encodes for proteins...
April 9, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29621595/extracellular-vesicles-as-potential-biomarkers-for-alcohol-and-drug-induced-liver-injury-and-their-therapeutic-applications
#19
REVIEW
Young-Eun Cho, Byoung-Joon Song, Mohammed Akbar, Moon-Chang Baek
Extracellular vesicles (EVs) are small membranous vesicles originating from various cells and tissues, including the liver parenchymal hepatocytes and nonparenchymal cells such as Kupffer and stellate cells. Recently, the pathophysiological role of EVs, such as exosomes and microvesicles, has been increasingly recognized based on intercellular communications. These EVs travel through the circulating blood and interact with specific cells and then deliver their cargos such as nucleic acids and proteins into recipient cells...
April 3, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29621594/rock-inhibition-in-models-of-neurodegeneration-and-its-potential-for-clinical-translation
#20
REVIEW
Jan Christoph Koch, Lars Tatenhorst, Anna-Elisa Roser, Kim-Ann Saal, Lars Tönges, Paul Lingor
Neurodegenerative disorders like Parkinson's disease, Alzheimer's disease, or amyotrophic lateral sclerosis are affecting a rapidly increasing population worldwide. While common pathomechanisms such as protein aggregation, axonal degeneration, dysfunction of protein clearing and an altered immune response have been characterized, no disease-modifying therapies have been developed so far. Interestingly, a significant involvement of the Rho kinase (ROCK) signaling pathway has been described in all of these mechanisms making it a promising target for new therapeutic approaches...
April 2, 2018: Pharmacology & Therapeutics
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