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https://www.readbyqxmd.com/read/28724279/alterations-in-striatal-circuits-underlying-addiction-like-behaviors
#1
REVIEW
Hyun Jin Kim, Joo Han Lee, Kyunghwa Yun, Joung-Hun Kim
Drug addiction is a severe psychiatric disorder characterized by the compulsive pursuit of drugs of abuse despite potential adverse consequences. Although several decades of studies have revealed that psychostimulant use can result in extensive alterations of neural circuits and physiology, no effective therapeutic strategies or medicines for drug addiction currently exist. Changes in neuronal connectivity and regulation occurring after repeated drug exposure contribute to addiction-like behaviors in animal models...
June 30, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28723805/acute-pancreatitis-induced-by-etoposide-lobaplatin-combination-chemotherapy-used-for-the-treatment-of-lung-cancer-a-case-report-and-literature-review
#2
Cheng-Liang Cao, Peng-Yu Duan, Wang-Jun Zhang, Le Li, Feng-Zhi Qu, Bei Sun, Gang Wang
RATIONALE: Drug-induced pancreatitis (DIP) is a rare type of pancreatitis that is not usually observed in the clinical practice. It is generally difficult to distinguish from acute pancreatitis (AP) induced by other causes. PATIENT CONCERNS: Here, we report a 62-year-old Chinese female patient with "small cell lung cancer" as the initial presentation. Because the patient could not bear the surgical treatment, the chemotherapy composed of lobaplatin and etoposide was performed...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28722377/-sweet-s-syndrome-a-diagnosis-to-keep-in-mind
#3
Caroline Lang, Sandrine Quenan
Sweet's syndrome is a rare neutrophilic dermatosis. Typically, patients present with a sudden onset of tender erythematous skin lesions (papules, nodules, and plaques), of asymetrical distribution, located preferentially on the superior limbs, face and neck, associated whith high fever and neutrophilia. Histologicaly, there is a diffuse infiltrate of neutrophils located in the dermis. Most of the time idiopathic, it may be associated with a respiratory or gastro-intestinal infection, with inflammatory bowel disease, pregnancy and vaccination...
March 29, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28721543/-decision-aids-in-complex-polypharmacy-medication-data-bases-and-counselling-by-clinical-pharmacists
#4
REVIEW
W Weinrebe, R Preda, S Bischoff, D Nussbickel, M Humm, K Jeckelmann, S Goetz
The number of older people with polypharmacy (more than six drugs taken simultaneously) is increasing. The greatest proportion consists of guideline drugs, analgesics and psychopharmaceuticals because in many cases of geriatric multimorbidity several underlying main diseases are present which must be treated according to the guidelines. Polypharmacy is a complex and difficult situation for all treating physicians because substantial side effects and intoxication can be induced but it can also be very difficult to recognize which drug was at fault and how a reduction can be safely made...
July 18, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28719513/dihydrofolate-reductase-genetic-polymorphisms-affect-methotrexate-dose-requirements-in-pediatric-patients-with-acute-lymphoblastic-leukemia-on-maintenance-therapy
#5
Guillermo Gervasini, Silvia G de Murillo, Mercedes Jiménez, María D de la Maya, Jose M Vagace
We have aimed to determine the effect of polymorphisms in regulatory regions of the DHFR gene in relation to methotrexate (MTX) dose adjustments and drug-induced toxicity in children on maintenance therapy for acute lymphoblastic leukemia (ALL). In total, 41 children diagnosed with ALL were screened for 3 tag-single nucleotide polymorphisms in the DHFR promoter (C-1610G, C-680G/T, A-317G) and an intronic 19-bp insertion/deletion. Genotypes were analyzed in relation to dose requirements and toxicity. The percentage of MTX dose administered (with respect to protocol-recommended values) was affected by DHFR polymorphisms...
July 17, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28718589/-drug-induced-iatrogenic-arthropathies
#6
Pascal Zufferey
Arthropathies induced by drugs, especially arthralgias, are very frequently reported in pharmacology. The major difficulty often consists in confirming the accountability of the drug in the occurrence of the symptoms. Stopping the drug when it really responsible of the arthralgia is then likely to lead to the disappearance of the symptoms. The aim of this article is to review some of classical known induced arthropathies and some innovations by describing the clinical characteristics as well as the mechanisms linking the drug to the arthropathies when these have been clarified...
March 8, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28718587/-drugs-induced-osteopathies
#7
Bérengère Aubry-Rozier
Drug induced bone diseases concerns : induced osteoporosis, induced osteomalacia (by loss of calcium, phosphate or vitamin D) and induced sarcopenia. Some of these drugs are well known, such as anti-hormones, corticotherapy (which could induce all of osteoporosis, osteomalacia and sarcopenia). In the present article, we will focus on 3 others less known but frequently used drugs : iron replacement, proton pump inhibitors therapy, and serotonin reuptake inhibitor antidepressants treatment. For each of them we will discuss the pathophysiological mechanism leading to bone fragility as well as the recommendations of prevention / management to be proposed in case of absolute necessity of the treatment...
March 8, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28717830/a-review-of-drug-induced-liver-injury-databases
#8
REVIEW
Guangwen Luo, Yiting Shen, Lizhu Yang, Aiping Lu, Zheng Xiang
Drug-induced liver injuries have been a major focus of current research in drug development, and are also one of the major reasons for the failure and withdrawal of drugs in development. Drug-induced liver injuries have been systematically recorded in many public databases, which have become valuable resources in this field. In this study, we provide an overview of these databases, including the liver injury-specific databases LiverTox, LTKB, Open TG-GATEs, LTMap and Hepatox, and the general databases, T3DB, DrugBank, DITOP, DART, CTD and HSDB...
July 17, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28717109/utility-of-human-hepatocyte-spheroids-without-feeder-cells-for-evaluation-of-hepatotoxicity
#9
Takuo Ogihara, Hiroshi Arakawa, Tomoko Jomura, Yoko Idota, Satoshi Koyama, Kentaro Yano, Hajime Kojima
We investigated the utility of three-dimensionally cultured hepatocytes (spheroids) without feeder cells (Sph(f-)) for the prediction of drug-induced liver injury (DILI) in humans. Sph(f-) and spheroids cultured on feeder cells (Sph(f+)) were exposed to the hepatotoxic drugs flutamide, diclofenac, isoniazid and chlorpromazine at various concentrations for 14 days, and albumin secretion and cumulative leakages of toxicity marker enzymes, aspartate aminotransferase (AST), alanine aminotransferase (ALT), lactate dehydrogenase (LDH) and γ-glutamyl transpeptidase (γ-GTP), were measured...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28717101/mechanism-based-risk-assessment-strategy-for-drug-induced-cholestasis-using-the-transcriptional-benchmark-dose-derived-by-toxicogenomics
#10
Taisuke Kawamoto, Yuichi Ito, Osamu Morita, Hiroshi Honda
Cholestasis is one of the major causes of drug-induced liver injury (DILI), which can result in withdrawal of approved drugs from the market. Early identification of cholestatic drugs is difficult due to the complex mechanisms involved. In order to develop a strategy for mechanism-based risk assessment of cholestatic drugs, we analyzed gene expression data obtained from the livers of rats that had been orally administered with 12 known cholestatic compounds repeatedly for 28 days at three dose levels. Qualitative analyses were performed using two statistical approaches (hierarchical clustering and principle component analysis), in addition to pathway analysis...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28717098/evaluation-of-drug-induced-hematotoxicity-using-novel-in-vitro-monkey-cfu-gm-and-bfu-e-colony-assays
#11
Koichi Goto, Mayumi Goto, Masako Ando-Imaoka, Kiyonori Kai, Kazuhiko Mori
In order to evaluate drug-induced hematotoxicity in monkey cells in vitro, colony-forming unit-granulocyte, macrophage (CFU-GM), and burst-forming unit-erythroid (BFU-E) colony assays were established using mononuclear cells in the bone marrow collected from male cynomolgus monkeys. Furthermore, the effects of doxorubicin, chloramphenicol, and linezolid on CFU-GM and BFU-E colony formation were investigated using established monkey CFU-GM and BFU-E colony assays in comparison with those on human CFU-GM and BFU-E colonies acquired from human umbilical cord blood cells...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28717093/paraneoplastic-anti-3-hydroxy-3-methylglutary-coenzyme-a-reductase-antibody-positive-immune-mediated-necrotizing-myopathy-in-a-patient-with-uterine-cancer
#12
Atsushi Mizuma, Maiko Kouchi, Shizuka Netsu, Sachiko Yutani, Ruriko Kitao, Shigeaki Suzuki, Kenya Murata, Eiichiro Nagata, Shunya Takizawa
We report the case of a 69-year-old woman with proximal limb muscle weakness, who received post-operative chemotherapy for uterine cancer. Her serum creatinine kinase level was high (10,779 mg/dL) and a muscle biopsy from her left biceps revealed various sizes of muscle fibers accompanied by necrotic and regenerating fibers. She was positive for anti-3 hydroxy-3-methylglutary-coenzyme A reductase (anti-HMGCR) antibodies, but negative for anti-signal recognition particle (anti-SRP) antibodies. She was diagnosed with immune-mediated necrotizing myopathy (IMNM) and treated with prednisolone...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28717060/clinical-data-analysis-of-genotypes-and-phenotypes-of-deafness-gene-mutations-in-newborns-a-retrospective-study
#13
Yating Du, Lihui Huang, Xueyao Wang, Qingjia Cui, Xiaohua Cheng, Liping Zhao, Tingting Ni
We retrospectively analyzed newborns with deafness gene mutations and summarized the relationship between genotype and phenotype to provide a basis for genetic counseling. We studied 582 subjects positive for deafness gene mutations that were treated in the otology outpatient department of Beijing Tongren Hospital, Capital Medical University, between April 2012 and April 2016. The subjects were divided into 3 categories: a diagnosed group (group A), which was further subdivided into subgroups A1 (homozygous and compound heterozygous GJB2 mutations) and A2 (homozygous and compound heterozygous SLC26A4 mutations); a drug-induced deafness group (group B, mitochondrial (Mt) gene mutations); and a mutation carrier group (group C), which was further subdivided into the subgroups C1 (GJB2 heterozygous mutations), C2 (SLC26A4 heterozygous mutations), C3 (GJB3 heterozygous mutations), and C4 (double gene mutations)...
July 17, 2017: Bioscience Trends
https://www.readbyqxmd.com/read/28716934/sigma-1-receptors-control-immune-driven-peripheral-opioid-analgesia-during-inflammation-in-mice
#14
Miguel A Tejada, Angeles Montilla-García, Shane J Cronin, Domagoj Cikes, Cristina Sánchez-Fernández, Rafael González-Cano, M Carmen Ruiz-Cantero, Josef M Penninger, José M Vela, José M Baeyens, Enrique J Cobos
Sigma-1 antagonism potentiates the antinociceptive effects of opioid drugs, so sigma-1 receptors constitute a biological brake to opioid drug-induced analgesia. The pathophysiological role of this process is unknown. We aimed to investigate whether sigma-1 antagonism reduces inflammatory pain through the disinhibition of the endogenous opioidergic system in mice. The selective sigma-1 antagonists BD-1063 and S1RA abolished mechanical and thermal hyperalgesia in mice with carrageenan-induced acute (3 h) inflammation...
July 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28715124/chemical-imaging-of-fresh-vascular-smooth-muscle-cell-response-by-epi-detected-stimulated-raman-scattering
#15
Delong Zhang, Wei Chen, Huan Chen, Han-Qing Yu, Ghassan Kassab, Ji-Xin Cheng
An understanding of deformation of cardiovascular tissue under hemodynamic load is crucial for understanding the health and disease of blood vessels. In the present work, an epi-detected stimulated Raman scattering (epi-SRS) imaging platform was designed for in situ functional imaging of vascular smooth muscle cells (VMSCs) in fresh coronary arteries. For the first time, the pressure-induced morphological deformation of fresh VSMCs was imaged with no fixation and in a label free manner. The relation between the loading pressure and the morphological parameters, including angle and length of the VSMCs, were apparent...
July 17, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28715111/identification-of-a-novel-hla-b-allele-hla-b-40-238-in-a-taiwanese-individual
#16
Hui-Lin Lee, Sheng-Kai Lai, Pei-Lung Chen, Chen-Chung Chu
The HLA-B*40:238 allele has one non-synonymous transversion from HLA-B*40:01:01 at nucleotide position 484. The HLA-B*40:238 allele was found in an association study between HLA and antithyroid drug-induced agranulocytosis (1) . The allele, initially genotyped in a Graves' disease patient showed one mismatched nucleotide within the combined sequence pattern of B*40:01:01 and B*13:01:01 using SeCore HLA Sequence-based typing kit (Life Technologies Corporation, WI, USA). To determine which allele the mismatch belonged to, polymerase chain reaction (PCR) was carried out to amplify exon 2 to exon 4 of the HLA-B region with dimorphic forward primers as described by Cereb et al (2) ...
July 17, 2017: HLA
https://www.readbyqxmd.com/read/28714420/evaluation-of-temporal-changes-in-urine-based-metabolomic-and-kidney-injury-markers-to-detect-compound-induced-acute-kidney-tubular-toxicity-in-beagle-dogs
#17
M P Wagoner, Y Yang, J E McDuffie, M Klapczynski, W Buck, L Cheatham, D Eisinger, F Sace, K M Lynch, M Sonee, J-Y Ma, Y Chen, K Marshall, M Damour, L Stephen, Y P Dragan, J Fikes, S Snook, L B Kinter
Urinary protein biomarkers and metabolomic markers have been leveraged to detect acute drug induced kidney injury (DIKI) in rats; however, the utility of these indicators to enable early detection of DIKI in canine models has not been well documented. Therefore, we evaluated temporal changes in biomarkers and metabolites in urine from male and female beagle dogs. Gentamicin-induced kidney lesions in male dogs were characterized by moderate to severe tubular epithelial cell degeneration/necrosis, epithelial cell regeneration and dilation; and a unique urine-based metabolomic fingerprint...
July 13, 2017: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/28713741/reconstruction-of-drug-induced-cleft-palate-using-bone-marrow-mesenchymal-stem-cell-in-rodents
#18
Julie Christy Amalraj, Manasa Gangothri, Hari Babu
BACKGROUND: Triamcinolone acetonide (TAC) (Kenacort*) is a commonly used synthetic glucocorticoid in today's medical practice. The drug is also a potential agent in inducing cleft palates in rats. This drug has been used to induce cleft palate in the fetus of the pregnant rats to bring out a suitable animal model for human cleft lip and palate. The drug was given intraperitoneally to induce congenital cleft palate in pregnant mother rats. AIM: The aim of this study is to induce congenital cleft palate in pregnant Wister albino rats and reconstruct the defect with bone marrow mesenchymal stem cells (BMSCs) isolated from the same species along with PLGA (poly lactic co glycolic acid) scaffold...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713494/caspase-3-role-and-immunohistochemical-expression-in-assessment-of-apoptosis-as-a-feature-of-h1n1-vaccine-caused-drug-induced-liver-injury-dili
#19
Abir Khalil Mohamed, Mona Magdy
BACKGROUND: Drug-Induced Liver Injury (DILI) changes, occur post exposure to natural or chemical compounds including apoptosis. AIM: To assess the H1N1 vaccine-caused DILI by histochemical and immunohistochemical methods. METHODS: This 2014's experimental study was conducted on 70 albino rats. They were given Arepanrix(TM) H1N1 vaccine and were divided into 7 groups; 10 mice each, as control (non-vaccinated), vac2 and vac4 injected with 1(st) and 2(nd) doses of vaccine (suspension only) and euthanized after 3 weeks each, vac5 euthanized 6 weeks after 2(nd) dose, mix2 and mix4 injected with 1(st) and 2(nd) doses of vaccine (mixture of suspension and adjuvant) and euthanized after 3 weeks each, mix5 and euthanized 6 weeks after 2(nd) dose...
May 2017: Electronic Physician
https://www.readbyqxmd.com/read/28713097/-drug-induced-changes-in-adrenal-cortex-function
#20
Robert Krysiak, Karolina Kowalcze, Bogusław Okopień
Glucocorticoids, commonly used in the treatment of various disorders, particularly if administered at high doses, may lead to the development of iatrogenic Cushing's syndrome, being by far the most common iatrogenic disorder of the adrenal gland. In some cases, however, adrenal cortex function may be affected by other drugs and risk of the development of various clinical entities is dependent on the drug, its dose, as well as on the duration of the treatment. This risk is also related to the baseline function of this gland...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
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