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https://www.readbyqxmd.com/read/29928645/bile-cast-nephropathy-the-unknown-dangers-of-online-shopping
#1
Andrea Fisler, Tobias Breidthardt, Nadine Schmidlin, Helmut Hopfer, Michael Dickenmann, Katrin König, Patricia Hirt-Minkowski
Renal dysfunction in the setting of cholestatic liver disease is multifactorial but most often due to decreased kidney perfusion from intravascular volume depletion, acute tubular injury/necrosis, and hepatorenal syndrome. Drug-induced hepatotoxicity may be associated with a cholestatic injury pattern. We report a case of a 56-year-old man with a diagnosis of bile cast nephropathy, as a complication of drug-induced severe hyperbilirubinemia due to the abuse of intramuscular anabolic steroids bought on the internet to increase muscular mass for bodybuilding training...
May 2018: Case Reports in Nephrology and Dialysis
https://www.readbyqxmd.com/read/29928219/acute-opioid-induced-myoclonic-reaction-after-use-of-fentanyl-as-an-anesthetic-drug-for-an-emergency-cesarean-section
#2
Dana Khaled Almedallah, Dana Yousef Alshamlan, Erum Mubbashir Shariff
Myoclonus is an abnormal involuntary movement that has been previously reported with administration of high doses of opioids for prolonged periods of time. In this case, however, we report an acute myoclonic reaction and review the literature on the possible causative pathophysiology. We report the case of a 24-year-old woman who was admitted for postdated cesarean section. She started to have abnormal involuntary movements after administration of an epidural anesthesia containing 700 μg of fentanyl with 115 mL (0...
May 2018: Case Reports in Neurology
https://www.readbyqxmd.com/read/29928062/novel-antibody-reagents-for-characterization-of-drug-and-tumor-microenvironment-induced-changes-in-epithelial-mesenchymal-transition-and-cancer-stem-cells
#3
Tony Navas, Thomas D Pfister, Simona Colantonio, Amina Aziz, Lynda Dieckman, Richard G Saul, Jan Kaczmarczyk, Suzanne Borgel, Sergio Y Alcoser, Melinda G Hollingshead, Young H Lee, Donald P Bottaro, Tara Hiltke, Gordon Whiteley, Naoko Takebe, Robert J Kinders, Ralph E Parchment, Joseph E Tomaszewski, James H Doroshow
The presence of cancer stem cells (CSCs) and the induction of epithelial-to-mesenchymal transition (EMT) in tumors are associated with tumor aggressiveness, metastasis, drug resistance, and poor prognosis, necessitating the development of reagents for unambiguous detection of CSC- and EMT-associated proteins in tumor specimens. To this end, we generated novel antibodies to EMT- and CSC-associated proteins, including Goosecoid, Sox9, Slug, Snail, and CD133. Importantly, unlike several widely used antibodies to CD133, the anti-CD133 antibodies we generated recognize epitopes distal to known glycosylation sites, enabling analyses that are not confounded by differences in CD133 glycosylation...
2018: PloS One
https://www.readbyqxmd.com/read/29926230/estimating-mean-circulatory-filling-pressure-in-clinical-practice-a-systematic-review-comparing-three-bedside-methods-in-the-critically-ill
#4
REVIEW
Marije Wijnberge, Daniko P Sindhunata, Michael R Pinsky, Alexander P Vlaar, Else Ouweneel, Jos R Jansen, Denise P Veelo, Bart F Geerts
The bedside hemodynamic assessment of the critically ill remains challenging since blood volume, arterial-venous interaction and compliance are not measured directly. Mean circulatory filling pressure (Pmcf ) is the blood pressure throughout the vascular system at zero flow. Animal studies have shown Pmcf provides information on vascular compliance, volume responsiveness and enables the calculation of stressed volume. It is now possible to measure Pmcf at the bedside. We performed a systematic review of the current Pmcf measurement techniques and compared their clinical applicability, precision, accuracy and limitations...
June 20, 2018: Annals of Intensive Care
https://www.readbyqxmd.com/read/29925688/intravascular-hemolysis-activates-complement-via-cell-free-heme-and-heme-loaded-microvesicles
#5
Nicolas S Merle, Anne Grunenwald, Helena Rajaratnam, Viviane Gnemmi, Marie Frimat, Marie-Lucile Figueres, Samantha Knockaert, Sanah Bouzekri, Dominique Charue, Remi Noe, Tania Robe-Rybkine, Marie Le-Hoang, Nathan Brinkman, Thomas Gentinetta, Monika Edler, Sara Petrillo, Emanuela Tolosano, Sylvia Miescher, Sylvain Le Jeune, Pascal Houillier, Sophie Chauvet, Marion Rabant, Jordan D Dimitrov, Veronique Fremeaux-Bacchi, Olivier P Blanc-Brude, Lubka T Roumenina
In hemolytic diseases, such as sickle cell disease (SCD), intravascular hemolysis results in the release of hemoglobin, heme, and heme-loaded membrane microvesicles in the bloodstream. Intravascular hemolysis is thus associated with inflammation and organ injury. Complement system can be activated by heme in vitro. We investigated the mechanisms by which hemolysis and red blood cell (RBC) degradation products trigger complement activation in vivo. In kidney biopsies of SCD nephropathy patients and a mouse model with SCD, we detected tissue deposits of complement C3 and C5b-9...
June 21, 2018: JCI Insight
https://www.readbyqxmd.com/read/29925535/human-induced-pluripotent-stem-cell-derived-engineered-heart-tissue-as-a-sensitive-test-system-for-qt-prolongation-and-arrhythmic-triggers
#6
Marc D Lemoine, Tobias Krause, Jussi T Koivumäki, Maksymilian Prondzynski, Mirja L Schulze, Evaldas Girdauskas, Stephan Willems, Arne Hansen, Thomas Eschenhagen, Torsten Christ
BACKGROUND: Cardiac repolarization abnormalities in drug-induced and genetic long-QT syndrome may lead to afterdepolarizations and life-threatening ventricular arrhythmias. Human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) should help to overcome the limitations of animal models based on species differences in repolarization reserve. Here, we compared head-to-head the contribution of I Ks (long QT1) and I Kr (long QT2) on action potentials (APs) in human left ventricular (LV) tissue and hiPSC-CM-derived engineered heart tissue (EHT)...
July 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29925334/liver-maximum-capacity-limax-test-as-a-helpful-prognostic-tool-in-acute-liver-failure-with-sepsis-a-case-report
#7
Matthias Buechter, Guido Gerken, Dieter P Hoyer, Stefanie Bertram, Jens M Theysohn, Viktoria Thodou, Alisan Kahraman
BACKGROUND: Acute liver failure (ALF) is a life-threatening entity particularly when infectious complications worsen the clinical course. Urgent liver transplantation (LT) is frequently the only curative treatment. However, in some cases, recovery is observed under conservative treatment. Therefore, prognostic tools for estimating course of the disease are of great clinical interest. Since laboratory parameters sometimes lack sensitivity and specificity, enzymatic liver function measured by liver maximum capacity (LiMAx) test may offer novel and valuable additional information in this setting...
June 20, 2018: BMC Anesthesiology
https://www.readbyqxmd.com/read/29924980/behavioral-and-neurochemical-responses-derived-from-dopaminergic-intrastriatal-grafts-in-hemiparkinsonian-rats-engaged-in-a-novel-motor-task
#8
Parnit K Bhupal, Kevin A Anderson, Gabrielle P Shall, Jonathan D Lynn, Katrina S Hoolsema, Julien Rossignol, Gary L Dunbar, Michael I Sandstrom
BACKGROUND: Putative treatments derived from in-vivo stem cell transplant derived dopamine (DA) assessed with hemiparkinsonian rats have been assessed via DA-agonist-induced rotations involving imbalanced intra-hemispheric striatal DA receptor stimulation. However, such tests obscure the natural responses of grafts to sensory stimuli, and drug-induced plasticity can modify the circuit being tested. Thus, we propose an alternative testing strategy using a novel water tank swimming apparatus...
June 17, 2018: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29922522/delayed-post-hypoxic-leukoencephalopathy-a-case-series-and-review-of-the-literature
#9
Nakul Katyal, Naureen Narula, Pravin George, Premkumar Nattanamai, Christopher R Newey, Jonathan M Beary
Delayed post-hypoxic leukoencephalopathy (DPHL) is a unique clinical entity that presents with cognitive impairment days to weeks after an episode of acute hypoxic brain injury. Frequently hypoxia is unrecognized as a mechanism for clinical decline and extensive workup ensues. We present two cases of DPHL highlighting the neuroimaging findings. In both patients, a cerebral hypoxic event was followed by a recovery phase with subsequent delayed clinical decline. Patient 1 suffered hypoxia from drug-induced respiratory depression and lack of post-operative positive airway pressure (PAP) support...
April 15, 2018: Curēus
https://www.readbyqxmd.com/read/29921610/retinal-ganglion-cell-loss-in-neuromyelitis-optica-a-longitudinal-study
#10
Frederike C Oertel, Joachim Havla, Adriana Roca-Fernández, Nathaniel Lizak, Hanna Zimmermann, Seyedamirhosein Motamedi, Nadja Borisow, Owen B White, Judith Bellmann-Strobl, Philipp Albrecht, Klemens Ruprecht, Sven Jarius, Jacqueline Palace, Maria Isabel Leite, Tania Kuempfel, Friedemann Paul, Alexander U Brandt
OBJECTIVES: Neuromyelitis optica spectrum disorders (NMOSD) are inflammatory conditions of the central nervous system and an important differential diagnosis of multiple sclerosis (MS). Unlike MS, the course is usually relapsing, and it is unclear, if progressive neurodegeneration contributes to disability. Therefore, we aimed to investigate if progressive retinal neuroaxonal damage occurs in aquaporin4-antibody-seropositive NMOSD. METHODS: Out of 157 patients with NMOSD screened, 94 eyes of 51 patients without optic neuritis (ON) during follow-up (F/U) and 56 eyes of 28 age-matched and sex-matched healthy controls (HC) were included (median F/U 2...
June 19, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29920976/dipeptidyl-peptidase-4-inhibitors-associated-bullous-pemphigoid-a-retrospective-study-of-168-pemphigoid-and-9-304-diabetes-mellitus-cases
#11
Yohei Kawaguchi, Risa Shimauchi, Nobuhiro Nishibori, Kiyohito Kawashima, So Oshitani, Atsushi Fujiya, Taiga Shibata, Norimi Ohashi, Kentaro Izumi, Wataru Nishie, Hiroshi Shimizu, Hiroshi Arima, Hiroshi Sobajima
AIM/INTRODUCTION: Bullous pemphigoid (BP) may be drug-induced. This study evaluated the relation between BP and dipeptidyl peptidase-4 inhibitors (DPP4Is). MATERIALS AND METHODS: We recruited patients diagnosed with BP at Ogaki Municipal Hospital from December 1, 2009 through December 31, 2017. We retrospectively collected data from medical records and divided patients into two groups based on whether they received DPP4Is. Additionally, we determined the incidence of BP in patients who were first prescribed DPP4Is at our hospital during the study period...
June 19, 2018: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/29920472/pathophysiology-of-drug-induce-peripheral-neuropathy-in-patients-with-multiple-myeloma
#12
K Luczkowska, Z Litwinska, E Paczkowska, B Machalinski
Multiple myeloma (MM) is a disease of unknown, complex etiology that affects primarily older adults. The course of the disease and the patients' survival time are very heterogeneous, but over the last decade, clear progress in the treatment of this incurable disease has been observed. Therapeutics that have proven to be highly effective include the immunomodulatory drug thalidomide and its newer analogs, lenalidomide and pomalidomide, as well as the proteasome inhibitors bortezomib and carfilzomib. However, the administration of some of the treatments, e...
April 2018: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/29920069/modulating-protein-phosphatase-2a-rescues-disease-phenotype-in-neurodegenerative-tauopathies
#13
Simon McKenzie-Nickson, Jacky Chan, Keyla Perez, Lin W Hung, Lesley Cheng, Amelia Sedjahtera, Lydia Gunawan, Paul A Adlard, David J Hayne, Lachlan E Mcinnes, Paul S Donnelly, David I Finkelstein, Professor Andrew Hill, Kevin J Barnham
Alzheimer's disease (AD) is the leading cause of dementia worldwide accounting around 70% of all cases. There is currently no treatment for AD beyond symptom management and attempts at developing disease-modifying therapies have yielded very little. These strategies have traditionally targeted the peptide Aβ which is thought to drive pathology. However, the lack of clinical translation of these Aβ-centric strategies underscores the need for diverse treatment strategies targeting other aspects of the disease...
June 19, 2018: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29916839/aripiprazole-in-a-patient-of-pla2g6-associated-neurodegeneration-with-psychosis
#14
Mao-Hsuan Huang, Yu-Chuan Chiu, Chia-Fen Tsai
PLA2G6-associated neurodegeneration is a major subtype of neurodegeneration with brain iron accumulation. Patients with PLA2G6-associated neurodegeneration usually present degenerative motor symptoms with neuropsychiatric disturbance. This report presents a patient with PLA2G6-related dystonia-parkinsonism, who had neuropsychiatric symptoms preceding movement symptoms. Antipsychotic drug was prescribed, and he developed parkinsonism years later. Differential diagnosis between drug-induced parkinsonism and PLA2G6-related dystonia-parkinsonism could be challenging...
June 18, 2018: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/29916554/phenytoin-activates-smad3-phosphorylation-and-periostin-expression-in-drug-induced-gingival-enlargement
#15
Shawna S Kim, Georgia Nikoloudaki, Mark Darling, Michael J Rieder, Douglas W Hamilton
Drug-induced gingival enlargement (DIGE) is a fibrotic condition associated with systemic administration of the anti-epileptic drug, phenytoin. We have previously demonstrated that periostin, which is transforming growth factor-beta (TGF-β) inducible gene, is upregulated in various fibrotic conditions including gingival enlargement associated with nifedipine. The objective of this study was to assess periostin expression in phenytoin-induced gingival enlargement (PIGE) tissues and to investigate the mechanisms underlying periostin expression...
June 19, 2018: Histology and Histopathology
https://www.readbyqxmd.com/read/29915776/splenic-granuloma-melioidosis-or-tuberculosis
#16
Fibi Ninan, Ajay Kumar Mishra, Ajoy Oommen John, Ramya Iyadurai
Melioidosis well known as a 'great mimicker' is caused by Burkholderia pseudomallei. Even though majority of the patients present with acute infection, around 18 % can present as chronic infection. These latent foci of infection may reactivate to cause fulminant infection at a later date. Due to lack of clinical suspicion and good laboratory facility latent infections are often misdiagnosed and treated as tuberculosis. Chronic splenic granuloma is a rare manifestation of Melioidosis . Deep seated abscess requires atleast 4 weeks of intensive treatment with intravenous antibiotics...
January 2018: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29915658/why-now-delayed-drug-induced-pancreatitis-due-to-dapsone-for-dermatitis-herpetiformis
#17
Youssef Yousry Soliman, Megan Sue Soliman, Farrukh Abbas
Drug-induced pancreatitis can be caused by a wide array of medications. In fact, the diagnosis is likely commonly missed due to the difficulty in diagnosing one agent as the sole cause. We present a case of dapsone-induced pancreatitis in a 75-year-old male with history of celiac disease. He presented with abdominal pain and was found to have acute pancreatitis. Interestingly, he had been on dapsone for 5 years and had no other recent medication changes, significant alcohol use, or gallbladder disease. It was determined this was an episode of delayed acute pancreatitis due to dapsone...
2018: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/29914290/codeine-induced-acute-generalized-exanthematous-pustulosis-without-il36rn-mutations
#18
Zohra Chadli, Chayma Ladhari, Emna Kerkeni, Amira Djobbi, Nadia B Fredj, Amel Chaabane, Naceur A Boughattas, Karim Aouam
Recent studies have suggested an association between mutations in the IL-36RN gene and the onset of pustular generalized. In the literature, only one case of acute generalized exanthematous pustulosis (AGEP) induced by codeine in a patient with IL36RN mutation has been reported. Herein, we reported an unusual case of AGEP caused by codeine in a patient with a history of psoriasis and confirmed by an oral provocation test. In this case, we have shown that the IL36RN gene mutation is not a constant condition in drug-induced AGEP...
June 19, 2018: Pharmacogenomics
https://www.readbyqxmd.com/read/29913214/inter-individual-differences-in-the-susceptibility-of-primary-human-hepatocytes-towards-the-cholestatic-drug-hepatotoxicity-are-compound-and-time-dependent
#19
Céline Parmentier, Delilah F G Hendriks, Bruno Heyd, Philippe Bachellier, Magnus Ingelman-Sundberg, Lysiane Richert
Cholestasis represents a major subtype of drug-induced liver injury and novel preclinical models for its prediction are needed. Here we used primary human hepatocytes (PHH) from different donors in 2D-sandwich (2D-sw) and/or 3D-spheroid cultures to study inter-individual differences in response towards cholestatic hepatotoxins after short-term (48-72 h) and long-term repeated exposures (14 days). Cholestatic liabilities were determined by comparing cell viability upon exposure to the highest non-cytotoxic drug concentration in the presence and absence of a non-cytotoxic concentrated bile acid (BA) mixture...
June 15, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29912149/human-depotentiation-following-induction-of-spike-timing-dependent-plasticity
#20
Nicole Pedroarena-Leal, Larissa Heidemeyer, Carlos Trenado, Diane Ruge
Depotentiation (DP) is a crucial mechanism for the tuning of memory traces once LTP (Long Term Potentiation) has been induced via learning, artificial procedures, or other activities. Putative unuseful LTP might be abolished via this process. Its deficiency is thought to play a role in pathologies, such as drug induced dyskinesia. However, since it is thought that it represents a mechanism that is linked to the susceptibility to interference during consolidation of a memory trace, it is an important process to consider when therapeutic interventions, such as psychotherapy, are administered...
June 18, 2018: Biomedicines
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