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Drug-induced disease

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https://www.readbyqxmd.com/read/29232322/incidence-of-antidrug-antibodies-in-rheumatoid-arthritis-patients-from-argentina-treated-with-adalimumab-etanercept-or-infliximab-in-a-real-world-setting
#1
Pablo J Maid, Ricardo Xavier, Rosa M Real, Ron Pedersen, Qi Shen, Lisa Marshall, Gaston Solano, Cecilia Elena Borlenghi, Rodolfo Pardo Hidalgo
BACKGROUND: Biologic agents may induce immune responses that could impact drug action. OBJECTIVES: The aims of this study were to assess antidrug antibodies (ADAs) in patients with rheumatoid arthritis (RA) from Argentina treated with etanercept, adalimumab, or infliximab at a single visit and correlate it with efficacy outcomes. METHODS: In this subset analysis of a noninterventional, multinational, cross-sectional study (NCT01981473), adult patients with RA treated continuously for 6 to 24 months with etanercept, adalimumab, or infliximab were evaluated for ADAs and trough drug concentrations of 2 days or less prior to the next scheduled dose...
December 12, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/29231904/protective-effects-of-%C3%AF-3-pufa-in-anthracycline-induced-cardiotoxicity-a-critical-review
#2
REVIEW
Simona Serini, Renata Ottes Vasconcelos, Renata Nascimento Gomes, Gabriella Calviello
It has been demonstrated that ω-3 polyunsaturated fatty acids (ω-3 PUFA) may exert a beneficial role as adjuvants in the prevention and treatment of many disorders, including cardiovascular diseases and cancer. Particularly, several in vitro and in vivo preclinical studies have shown the antitumor activity of ω-3 PUFA in different kinds of cancers, and several human studies have shown that ω-3 PUFA are able to decrease the risk of a series of cardiovascular diseases. Several mechanisms have been proposed to explain their pleiotropic beneficial effects...
December 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29231138/cholinesterase-inhibitor-6-chlorotacrine-in-vivo-toxicological-profile-and-behavioural-effects
#3
Jan Misik, Eugenie Nepovimova, Jaroslav Pejchal, Jiri Kassa, Jan Korabecny, Ondrej Soukup
BACKGROUND: 6-chlorotacrine is a cholinesterase inhibitor showing good inhibitory potential, even better than parent compound tacrine, in vitro. Despite tacrine scaffold is broadly used for design and synthesis of novel compounds with anti-Alzheimer's potential, no in vivo effects have been investigated so far. Thus, basic toxicological and behavioural evaluation has been carried out throughout this study. METHODS: Maximum tolerated dose (MTD) and median lethal dose (LD50) were assessed in BALB/c mice and Wistar rats...
December 11, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/29230877/neonatal-mouse-cortical-but-not-isogenic-human-astrocyte-feeder-layers-enhance-the-functional-maturation-of-induced-pluripotent-stem-cell-derived-neurons-in-culture
#4
Fritz W Lischka, Anastasia Efthymiou, Qiong Zhou, Michael D Nieves, Nikki M McCormack, Matthew D Wilkerson, Gauthaman Sukumar, Clifton L Dalgard, Martin L Doughty
Human induced pluripotent stem (iPS) cell-derived neurons and astrocytes are attractive cellular tools for nervous system disease modeling and drug screening. Optimal utilization of these tools requires differentiation protocols that efficiently generate functional cell phenotypes in vitro. As nervous system function is dependent on networked neuronal activity involving both neuronal and astrocytic synaptic functions, we examined astrocyte effects on the functional maturation of neurons from human iPS cell-derived neural stem cells (NSCs)...
December 12, 2017: Glia
https://www.readbyqxmd.com/read/29230672/the-role-of-b-cell-maturation-antigen-in-the-biology-and-management-of-and-as-a-potential-therapeutic-target-in-multiple-myeloma
#5
Eric Sanchez, Emily J Smith, Moryel A Yashar, Saurabh Patil, Mingjie Li, Autumn L Porter, Edward J Tanenbaum, Remy E Schlossberg, Camilia M Soof, Tara Hekmati, George Tang, Cathy S Wang, Haiming Chen, James R Berenson
B-cell maturation antigen (BCMA) was originally identified as a cell membrane receptor, expressed exclusively on late stage B-cells and plasma cells (PCs). Investigations of BCMA as a target for therapeutic intervention in multiple myeloma (MM) were initiated in 2007, using cSG1 as a naked antibody (Ab) as well as an Ab-drug conjugate (ADC) targeting BCMA, ultimately leading to ongoing clinical studies for previously treated MM patients. Since then, multiple companies have developed anti-BCMA-directed ADCs...
December 11, 2017: Targeted Oncology
https://www.readbyqxmd.com/read/29230220/induction-of-human-lung-mast-cell-apoptosis-by-granule-permeabilization-a-novel-approach-for-targeting-mast-cells
#6
Aida Paivandy, Martin Sandelin, Helena Igelström, Per Landelius, Christer Janson, Fabio R Melo, Gunnar Pejler
Mast cells are implicated as detrimental players in inflammatory lung diseases, particularly asthma. Mast cells respond to activating stimuli by releasing a wide panel of pro-inflammatory compounds that can contribute profoundly to the pathology, and there is currently an unmet need for strategies that efficiently ameliorate harmful effects of mast cells under such conditions. Here, we sought to evaluate a novel concept for targeting human lung mast cells, by assessing the possibility of selectively depleting the lung mast cells by induction of apoptosis...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29230217/type-i-interferons-in-the-pathogenesis-of-tuberculosis-molecular-drivers-and-immunological-consequences
#7
REVIEW
Meg L Donovan, Thomas E Schultz, Taylor J Duke, Antje Blumenthal
Tuberculosis (TB) remains a major global health threat. Urgent needs in the fight against TB include improved and innovative treatment options for drug-sensitive and -resistant TB as well as reliable biological indicators that discriminate active from latent disease and enable monitoring of treatment success or failure. Prominent interferon (IFN) inducible gene signatures in TB patients and animal models of Mycobacterium tuberculosis infection have drawn significant attention to the roles of type I IFNs in the host response to mycobacterial infections...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29228881/unravelling-novel-congeners-from-acetyllysine-mimicking-ligand-targeting-a-lysine-acetyltransferase-pcaf-bromodomain
#8
Venkatesan Suryanarayanan, Sanjeev Kumar Singh
p300/CBP Associated Factor (PCAF) bromodomain (BRD), a lysine acetyltransferases, has emerged as a promising drug target as its dysfunction is linked to onset and progression of several diseases like cancer, diabetes, AIDS etc. In this study, a three featured E-Pharmacophore (ARR) was generated based on acetyllysine mimicking inhibitor of PCAF BRD which is available as co-crystal structure (PDB ID: 5FDZ). It was used for filtering small molecule databases followed by molecular docking and consequently validated using enrichment calculation...
December 11, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/29228345/mechanisms-and-mediators-of-hypertension-induced-by-erythropoietin-and-related-molecules
#9
Rajiv Agarwal
Hypertension is a common but frequently overlooked adverse effect of erythropoietin (EPO) therapy. Underreporting of hypertension with EPO is likely due to either more aggressively managing hypertension through the prescription of antihypertensive drugs or closer attention to dry weight. The purpose and focus of this review is to critically evaluate the mechanisms of EPO-induced hypertension. Preclinical data are considered first, followed by clinical data where available. Mediated by a variety of molecules, there is an imbalance in the vascular tone favoring net vasoconstriction that mediates EPO-induced hypertension...
December 8, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29227728/use-of-low-level-laser-therapy-in-treatment-of-the-androgenic-alopecia-the-first-systematic-review
#10
Ibrahim Najem, Hongxiang Chen
Alopecia is a common disease affecting more than half of the world total number of people. Alopecia exists in different types, but one of the most common of these types is the Androgenic Alopecia which has affected approximately 51% of the total number of males ranging between the age bracket of 40 years and 75 years. This type of alopecia is more common in females who are above the age of 65 years and above. Despite this widespread effect, much has not been done regarding identifying the possible drugs for treating this disease...
December 11, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/29226922/a-polymyxin-b-silver-nanoparticle-colloidal-system-and-the-application-of-lipopolysaccharide-analysis
#11
Tao Liu, Liqian Gao, Jing Zhao, Ya Cao, Yuguo Tang, Peng Miao
Polymyxin B (PMB) is a small cyclic polycationic lipopeptide, which can be used as an antibiotic drug against Gram-negative bacteria. In this work, the interaction between citrate capped silver nanoparticles (AgNPs) and PMB is studied. Experimental results show that the association constant is extremely high and the binding event leads to a significant variation in the localized surface plasmon resonance (LSPR) of AgNPs. Moreover, the PMB-AgNP colloidal system can be further exploited as a sensitive analytical platform...
December 11, 2017: Analyst
https://www.readbyqxmd.com/read/29226716/-case-report-on-choroidal-effusion-after-oral-acetazolamide-administration-an-unusual-manifestation-of-a-well-known-idiosyncratic-effect
#12
András Hári-Kovács, Judit Soós, Tamás Gyetvai, Andrea Facskó, Mihály Végh
Sulpha drugs are widely employed in medicine for various diseases and disorders. During the last several decades, numerous papers had been published on supra ciliary and posterior choroidal effusion likely presenting as an idiosyncratic effect of these drugs especially of acetazolamide. In each publication, the effusion was associated with either an acute angle-closure glaucoma or transitory myopia or both of these as leading symptoms. In the current publication, authors report on two cases where the acetazolamide-induced choroidal effusion was an accidental finding without either a myopic shift in refraction or an acute elevation in intraocular pressure...
December 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/29225987/daptomycin-induced-acute-eosinophilic-pneumonia-late-onset-and-quick-recovery
#13
Mohamad Rachid, Khansa Ahmad, Meghan Saunders-Kurban, Aelia Fatima, Aditya Shah, Anas Nahhas
Background: Daptomycin is a cyclic lipopeptide antibiotic that provides great coverage for gram positive cocci. From the early years of daptomycin use, concerns were raised regarding the pulmonary side effects of daptomycin and potential development of acute eosinophilic pneumonia (AEP) secondary to daptomycin therapy. Discussion: AEP could be idiopathic or induced by drugs or toxins. It is a distinct entity from atopic diseases and autoimmune, parasitic, or fungal infections that can also cause pulmonary eosinophilia...
2017: Case Reports in Pulmonology
https://www.readbyqxmd.com/read/29225517/intestinally-restricted-janus-kinase-inhibition-a-potential-approach-to-maximize-the-therapeutic-index-in-inflammatory-bowel-disease-therapy
#14
David T Beattie, M Teresa Pulido-Rios, Fei Shen, Melissa Ho, Eva Situ, Pam R Tsuruda, Patrick Brassil, Melanie Kleinschek, Sharath Hegde
Background: An unmet need remains for safe and effective treatments to induce and maintain remission in inflammatory bowel disease (IBD) patients. The Janus kinase (JAK) inhibitor, tofacitinib, has demonstrated robust efficacy in ulcerative colitis patients although, like other systemic immunosuppressants, there may be safety concerns associated with its use. This preclinical study evaluated whether modulating intestinal inflammation via local JAK inhibition can provide efficacy without systemic immunosuppression...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/29225290/-neural-differentiation-from-induced-pluripotent-stem-cells-for-disease-modelling-and-drug-discovery
#15
Wado Akamatsu
No abstract text is available yet for this article.
2017: Nihon Yakurigaku Zasshi. Folia Pharmacologica Japonica
https://www.readbyqxmd.com/read/29225190/scopolamine-induced-passive-avoidance-memory-retrieval-deficit-is-accompanied-with-hippocampal-mmp2-mmp-9-and-mapks-alteration
#16
Maryam Moosavi, Roksana SoukhakLari, Leila Moezi, Fatema Pirsalami
Alzheimer's disease (AD) is a neurodegenerative disorder characterized by progressive loss of memory and cognitive deficit. The observed amnesia in the early stages of AD is suggested to be a retrieval problem, rather than encoding and consolidation deficit. According to the cholinergic hypothesis of AD, scopolamine is used to induce an animal model of amnesia. Howbeit the effect of scopolamine on memory retrieval is contradictory. This study aimed to assess the effect of scopolamine on passive avoidance memory retrieval...
December 7, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29225137/valproic-acid-a-histone-deacetylase-inhibitor-induces-apoptosis-in-breast-cancer-stem-cells
#17
Nazlıhan Aztopal, Merve Erkisa, Elif Erturk, Engin Ulukaya, Asuman Hatice Tokullugil, Ferda Ari
Cancer stem-like cells (CSCs) are a cell subpopulation that can reinitiate tumors, resist chemotherapy, give rise to metastases and lead to disease relapse because of an acquired resistance to apoptosis. Especially, epigenetic alterations play a crucial role in the regulation of stemness and also have been implicated in the development of drug resistance. Hence, in the present study, we examined the cytotoxic and apoptotic activity of valproic acid (VPA) as an inhibitor of histone deacetylases (HDACs) against breast CSCs (BCSCs)...
December 7, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29224736/a-natural-small-molecule-inhibitor-corilagin-blocks-hcv-replication-and-modulates-oxidative-stress-to-reduce-liver-damage
#18
B Uma Reddy, Ranajoy Mullick, Anuj Kumar, Geetika Sharma, Paromita Bag, Chaitrali Laha Roy, Govindarajan Sudha, Himani Tandon, Pratik Dave, Asutosh Shukla, Priyanka Srinivasan, Madhusudhan Nandhitha, Narayanaswamy Srinivasan, Saumitra Das
Hepatitis C virus (HCV) infection causes chronic liver disease, which often leads to hepatocellular carcinoma. Earlier, we have demonstrated anti-HCV property of the methanolic extract of Phyllanthus amarus, an age-old folk-medicine against viral hepatitis. Here, we report identification of a principal bioactive component 'corilagin', which showed significant inhibition of the HCV key enzymes, NS3 protease and NS5B RNA-dependent-RNA-polymerase. This pure compound could effectively inhibit viral replication in the infectious cell culture system, displayed strong antioxidant activity by blocking HCV induced generation of reactive oxygen species and suppressed up-regulation of NOX4 and TGF-β mRNA levels...
December 7, 2017: Antiviral Research
https://www.readbyqxmd.com/read/29224509/algorithms-used-to-identify-ventricular-arrhythmias-and-sudden-cardiac-death-in-retrospective-studies-a-systematic-literature-review
#19
Yizhou Ye, E Paul Larrat, Aisling R Caffrey
Drug-induced QT interval prolongation may increase the risk of sudden cardiac death or ventricular arrhythmias (SCD/VA), and therefore affects the safety profile of medications. Administrative databases can be used to inform pharmacoepidemiologic drug safety studies for such rare events. In order to compare event rates between studies, validated operational definitions of these events are needed. We conducted a systematic literature review in PubMed to identify algorithms for SCD/VA. Twenty-two studies were included in the review...
December 1, 2017: Therapeutic Advances in Cardiovascular Disease
https://www.readbyqxmd.com/read/29224383/abcb1-is-there-a-role-in-the-drug-treatment-of-parkinson-s-disease
#20
Thomas Müller
The ABCB1 (P-gp, MDR1, CD243) transporters system plays an eminent role in brain detoxification. It protects against endogenous and exogenous toxin transport into the brain parenchyma by supporting toxin efflux over the blood brain barrier. Areas covered: This editorial discusses the role and pro's and con's of ABCB1 modulation in the drug treatment of Parkinson's disease patients. Expert commentary: Experimental findings suggest that drug induced impairment of ABCB1 transporters function may improve symptomatic drug effects...
December 11, 2017: Expert Opinion on Drug Metabolism & Toxicology
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