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https://www.readbyqxmd.com/read/28922189/acr-acnm-practice-parameter-for-the-performance-of-dopamine-transporter-dat-single-photon-emission-computed-tomography-spect-imaging-for-movement-disorders
#1
Rathan M Subramaniam, Kirk A Frey, Christopher H Hunt, Gustavo A Mercier, Lilja B Solnes, Patrick M Colletti, Yang Lu, Bital Savir-Baruch, Hadyn T Williams
This American College of Radiology and American College of Nuclear Medicine joint clinical practice parameter is for performance of dopamine transporter single photon emission computed tomography (SPECT) imaging, for patients with movement disorders. Parkinsonian syndrome (PS) consists of a group of neurodegenerative diseases including Parkinson disease (PD), progressive supranuclear palsy (PSP), multiple system atrophy (MSA), corticobasal degeneration (CBD), and dementia with Lewy bodies (DLB). Accurate diagnosis of PS is critical for clinical management...
September 15, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28921405/cannabis-associated-asthma-and-allergies
#2
REVIEW
J M Chatkin, L Zani-Silva, I Ferreira, N Zamel
Inhalation of cannabis smoke is its most common use and the pulmonary complications of its use may be the single most common form of drug-induced pulmonary disease worldwide. However, the role of cannabis consumption in asthma patients and allergic clinical situations still remains controversial. To review the evidence of asthma and allergic diseases associated with the use of marijuana, we conducted a search of English, Spanish, and Portuguese medical using the search terms asthma, allergy, marijuana, marihuana, and cannabis...
September 18, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28918124/polyphenols-reported-to-shift-apap-induced-changes-in-mapk-signaling-and-toxicity-outcomes
#3
REVIEW
Ngoc Uy Nguyen, Brendan David Stamper
Due to its widespread availability, acetaminophen (APAP) is the leading cause for drug-induced liver injury in many countries including United States and United Kingdom. When used as recommended, APAP is relatively safe. However, in overdose cases, increased metabolism of APAP to N-acetyl-para-benzoquinoneimine (NAPQI), a reactive metabolite, leads to glutathione (GSH) depletion, oxidative stress, and cellular injury. Throughout this process, a variety of factors play important roles in propagating toxicity, including c-Jun N-terminal kinase (JNK), a member of the mitogen-activated protein kinase (MAPK) family...
September 13, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28917695/the-impact-of-gabaergic-drugs-on-tms-induced-brain-oscillations-in-human-motor-cortex
#4
Isabella Premoli, Til O Bergmann, Matteo Fecchio, Mario Rosanova, Andrea Biondi, Paolo Belardinelli, Ulf Ziemann
Brain responses to transcranial magnetic stimulation (TMS) as measured with electroencephalography (EEG) have so far been assessed either by TMS-evoked EEG potentials (TEPs), mostly reflecting phase-locked neuronal activity, or time-frequency-representations (TFRs), reflecting oscillatory power arising from a mixture of both evoked (i.e., phase-locked) and induced (i.e., non-phase-locked) responses. Single-pulse TMS of the human primary motor cortex induces a specific pattern of oscillatory changes, characterized by an early (30-200 ms after TMS) synchronization in the α- and β-bands over the stimulated sensorimotor cortex and adjacent lateral frontal cortex, followed by a late (200-400 ms) α- and β-desynchronization over the stimulated and contralateral sensorimotor cortex...
September 13, 2017: NeuroImage
https://www.readbyqxmd.com/read/28916806/rewiring-of-neuronal-networks-during-synaptic-silencing
#5
Jana Katharina Wrosch, Vicky von Einem, Katharina Breininger, Marc Dahlmanns, Andreas Maier, Johannes Kornhuber, Teja Wolfgang Groemer
Analyzing the connectivity of neuronal networks, based on functional brain imaging data, has yielded new insight into brain circuitry, bringing functional and effective networks into the focus of interest for understanding complex neurological and psychiatric disorders. However, the analysis of network changes, based on the activity of individual neurons, is hindered by the lack of suitable meaningful and reproducible methodologies. Here, we used calcium imaging, statistical spike time analysis and a powerful classification model to reconstruct effective networks of primary rat hippocampal neurons in vitro...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28916656/chemotherapy-induced-macrophage-infiltration-into-tumors-enhances-nanographene-based-photodynamic-therapy
#6
Yang Zhao, Chenran Zhang, Liquan Gao, Xinhe Yu, Jianhao Lai, Dehua Lu, Rui Bao, Yanpu Wang, Bing Jia, Fan Wang, Zhaofei Liu
Increased recruitment of tumor-associated macrophages (TAM) to tumors following chemotherapy promotes tumor resistance and recurrence and correlates with poor prognosis. TAM depletion suppresses tumor growth, but is not highly effective due to the effects of tumorigenic mediators from other stromal sources. Here we report that adoptive macrophage transfer led to a dramatically enhanced photodynamic therapy (PDT) effect of 2-(1-hexyloxyethyl)-2-devinyl pyropheophor-bide-alpha (HPPH)-coated polyethylene glycosylated nanographene oxide [GO(HPPH)-PEG] by increasing its tumor accumulation...
September 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28915246/inflammatory-cytokine-production-in-tumor-cells-upon-chemotherapy-drug-exposure-or-upon-selection-for-drug-resistance
#7
Derek W Edwardson, Justin Boudreau, Jonathan Mapletoft, Carita Lanner, A Thomas Kovala, Amadeo M Parissenti
Tumor Necrosis Factor alpha (TNF-α) has been shown to be released by tumor cells in response to docetaxel, and lipopolysaccharides (LPS), the latter through activation of toll-like receptor 4 (TLR4). However, it is unclear whether the former involves TLR4 receptor activation through direct binding of the drug to TLR4 at the cell surface. The current study was intended to better understand drug-induced TNF-α production in tumor cells, whether from short-term drug exposure or in cells selected for drug resistance...
2017: PloS One
https://www.readbyqxmd.com/read/28915135/otolaryngologic-management-of-down-syndrome-patients-what-is-new
#8
Ethan C Bassett, Mary F Musso
PURPOSE OF REVIEW: The management of children with Down syndrome as it pertains to the otolaryngologist continues to evolve. Obstructive sleep apnea (OSA) has dominated the recent literature, but other topics including hearing loss, swallowing, and perioperative considerations are also reported. RECENT FINDINGS: The prevalence of OSA in children with Down syndrome ranges from 57 to 73% in certain cohorts, and, whereas adentonsillectomy can decrease Apnea-Hypopnea Index, up to 80% may have persistent OSA...
September 14, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28914958/assessment-of-histopathological-features-of-maculopapular-viral-exanthem-and-drug-induced-exanthem
#9
Sanjay Singh, Sujay Khandpur, Sudheer Arava, Ramashankar Rath, M Ramam, Manoj Singh, Vinod K Sharma, S K Kabra
Maculopapular exanthem (MPE) is defined as a skin eruption consisting of macules and papules which does not form a scale. When associated with oral lesions, the term exanthem with 'enanthem' term is employed (1). Viral infection and drug reaction are the commonest causes of exanthem.
September 15, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28912501/transcription-regulation-of-cdkn1a-p21-cip1-waf1-by-trf2-is-epigenetically-controlled-through-the-rest-repressor-complex
#10
Tabish Hussain, Dhurjhoti Saha, Gunjan Purohit, Anirban Kar, Anand Kishore Mukherjee, Shalu Sharma, Suman Sengupta, Parashar Dhapola, Basudeb Maji, Sreekanth Vedagopuram, Nobuko T Horikoshi, Nobuo Horikoshi, Raj K Pandita, Santanu Bhattacharya, Avinash Bajaj, Jean-François Riou, Tej K Pandita, Shantanu Chowdhury
We observed extra-telomeric binding of the telomere repeat binding factor TRF2 within the promoter of the cyclin-dependent kinase CDKNIA (p21/CIP1/WAF1). This result in TRF2 induced transcription repression of p21. Interestingly, p21 repression was through engagement of the REST-coREST-LSD1-repressor complex and altered histone marks at the p21 promoter in a TRF2-dependent fashion. Furthermore, mutational analysis shows p21 repression requires interaction of TRF2 with a p21 promoter G-quadruplex. Physiologically, TRF2-mediated p21 repression attenuated drug-induced activation of cellular DNA damage response by evading G2/M arrest in cancer cells...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28912301/early-onset-drug-induced-parkinsonism-after-exposure-to-offenders-implies-nigrostriatal-dopaminergic-dysfunction
#11
Seok Jong Chung, Han Soo Yoo, Hyojeong Moon, Jungsu S Oh, Jae Seung Kim, Yong Hee Park, Jin Yong Hong, Byoung Seok Ye, Young H Sohn, Phil Hyu Lee
OBJECTIVES: The onset of parkinsonism in patients with drug-induced parkinsonism (DIP) exhibits extensive individual variability following exposure to offending drugs. We investigated whether the individual variations in the onset time of parkinsonism reflected the underlying subtle dopaminergic dysfunction in DIP. METHODS: We enrolled 71 patients with DIP who had visually normal striatal dopamine transporter (DAT) availability in (18)F-FP-CIT positron emission tomography scans...
September 14, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28911689/effect-of-oleuropein-against-chemotherapy-drug-induced-histological-changes-oxidative-stress-and-dna-damages-in-rat-kidney-injury
#12
Fatime Geyikoglu, Murat Emir, Suat Colak, Kubra Koc, Hasan Turkez, Murat Bakir, Mirkhalil Hosseinigouzdagani, Salim Cerig, Osman Nuri Keles, Nihal Simsek Ozek
Cisplatin-based chemotherapy is responsible for a large number of renal failures, and it is still associated with high rates of mortality today. Oleuropein (OLE) presents a plethora of pharmacological beneficial properties. In this study we investigated whether OLE could provide sufficient protection against cisplatin-induced nephrotoxicity. With this aim, Sprague-Dawley rats were divided into eight groups: control; 7 mg/kg/d cisplatin, 50 mg/kg, 100 mg/kg, and 200 mg/kg OLE; and treatment with OLE for 3 days starting at 24 hours following cisplatin injection...
April 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28911608/effect-of-goat-milk-on-hepatotoxicity-induced-by-antitubercular-drugs-in-rats
#13
Sonam Miglani, Rakesh Raman Patyar, Sazal Patyar, Mohammad Rafi Reshi
Aim of the present study was to assess the hepatoprotective activity of goat milk on antitubercular drug-induced hepatotoxicity in rats. Hepatotoxicity was induced in rats using a combination of isoniazid, rifampicin, and pyrazinamide given orally as a suspension for 30 days. Treatment groups received goat milk along with antitubercular drugs. Liver damage was assessed using biochemical and histological parameters. Administration of goat milk (20 mL/kg) along with antitubercular drugs (Group III) reversed the levels of serum alanine aminotransferase (82 ± 25...
October 2016: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28910145/the-clinical-pharmacokinetics-of-amphetamines-utilized-in-the-treatment-of-attention-deficit-hyperactivity-disorder
#14
John S Markowitz, Kennerly S Patrick
Amphetamine (AMP), an indirectly acting psychostimulant approved for the treatment of attention-deficit/hyperactivity disorder (ADHD) in children, adolescents, and adults, is among the most long-standing therapeutic agents in all of clinical psychopharmacology. This review focuses on AMP absorption, metabolism, and elimination brought to bear on comparative pharmacokinetics in its various formulations. A comprehensive search of the published literature was conducted using MEDLINE (PubMed) and Google Scholar databases through April 2017 to retrieve all pertinent in vitro and human studies for review and synthesis...
September 14, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28906336/interobserver-consistency-of-drug-induced-sleep-endoscopy-in-diagnosing-obstructive-sleep-apnea-using-a-vote-classification-system
#15
Ahmet Altintaş, Burak Olgun, Yakup Yegin, Mustafa Çelik, Kamil Hakan Kaya, Arzu Karaman Koç, Fatma Tülin Kayhan
OBJECTIVES: To explore the interobserver consistency of drug-induced sleep endoscopy (DISE) for patients with obstructive sleep apnea syndrome (OSAS) and review the current literature. METHODS: In total, 55 patients with an apnea-hypopnea index >5, as determined by on overnight sleep study, were included in this study, 45 males and 10 females, with an average age of 46.87 ± 10.06 years old (range, 19-71). For all OSAS patients, DISE was performed by the same surgeon, which was recorded digitally...
September 12, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28906250/the-aaa-protein-msp1-mediates-clearance-of-excess-tail-anchored-proteins-from-the-peroxisomal-membrane
#16
Nicholas R Weir, Roarke A Kamber, James S Martenson, Vladimir Denic
Msp1 is a conserved AAA ATPase in budding yeast localized to mitochondria where it prevents accumulation of mistargeted tail-anchored (TA) proteins, including the peroxisomal TA protein Pex15. Msp1 also resides on peroxisomes but it remains unknown how native TA proteins on mitochondria and peroxisomes evade Msp1 surveillance. We used live-cell quantitative cell microscopy tools and drug-inducible gene expression to dissect Msp1 function. We found that a small fraction of peroxisomal Pex15, exaggerated by overexpression, is turned over by Msp1...
September 14, 2017: ELife
https://www.readbyqxmd.com/read/28905389/the-first-reported-case-of-concurrent-trimethoprim-sulfamethoxazole-induced-immune-hemolytic-anemia-and-thrombocytopenia
#17
Yevgeniy A Linnik, Edison W Tsui, Isabella W Martin, Zbigniew M Szczepiorkowski, Gregory A Denomme, Jerome L Gottschall, John M Hill, Nancy M Dunbar
BACKGROUND: Drug-induced immune hemolytic anemia (DIIHA) and drug-induced immune thrombocytopenia (DIIT) are rare but dangerous complications of pharmacotherapy that may be underrecognized in hematopoietic stem cell transplant (HSCT) patients due to overlap of signs and symptoms with those of more common disease processes. CASE REPORT: A 61-year-old woman with NK-cell deficiency and GATA-2-associated myelodysplastic syndrome, status post-recent allogeneic HSCT (Day +58), presented with 3 days of acute-onset severe back pain, muscle cramps, and increasingly dark urine...
September 14, 2017: Transfusion
https://www.readbyqxmd.com/read/28905092/drug-induced-oral-lichenoid-reactions-a-real-clinical-entity-a-systematic-review
#18
REVIEW
Giulio Fortuna, Massimo Aria, Julie H Schiavo
PURPOSE: Drug-induced oral lichenoid reactions (DIOLRs) have been extensively reported in the literature, but the validity of the causality relationship between any drug and the oral lichenoid lesions (OLLs) still remains questionable. We sought to determine whether this causality relationship really exists, whether a resolution of the oral lesions upon withdrawal occurs, and what the most common alleged offending medications are. METHODS: Nine electronic databases from January 1966 to December 2016 were systematically searched to identify all relevant studies selected with specific inclusion criteria (a clinical and histopathological diagnosis of DIOLRs, and clearly statement on the systemic offending medication)...
September 13, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28904299/a-cell-based-assay-using-heparg-cells-for-predicting-drug-induced-phospholipidosis
#19
Takafumi Tomida, Masakazu Ishimura, Masahiro Iwaki
The utility of HepaRG cells as an in vitro cell-based assay system for predicting drug-induced phospholipidosis (PLD) was investigated. In experiment 1, 10 PLD-positive compounds and 11 PLD-negative compounds were selected. HepaRG cells were treated with each compound for 48 hr. In experiment 2, loratadine and desloratadine, a major metabolite of loratadine, were used to assess metabolic activation for PLD. HepaRG cells were treated with loratadine and desloratadine in the presence or absence of 500 μM 1-aminobenzotriazole (ABT), a broad CYP inhibitor, for 48 hr...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28904294/assessment-of-amiodarone-induced-phospholipidosis-in-chimeric-mice-with-a-humanized-liver
#20
Seigo Sanoh, Yuto Yamachika, Yuka Tamura, Yaichiro Kotake, Yasumi Yoshizane, Yuji Ishida, Chise Tateno, Shigeru Ohta
It is important to consider susceptibility to drug-induced toxicity between animals and humans. Chimeric mice with a humanized liver are expected to predict hepatotoxicity in humans. Drug-induced phospholipidosis (DIPL), in which phospholipids accumulate, is a known entity. In this study, we examined whether chimeric mice can reveal species differences in DIPL. Changes in various phosphatidylcholine (PhC) molecules were investigated in the liver of chimeric mice after administering amiodarone, which induces phospholipidosis...
2017: Journal of Toxicological Sciences
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