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https://www.readbyqxmd.com/read/29202260/interobserver-agreement-for-post-mortem-renal-histopathology-and-diagnosis-of-acute-tubular-necrosis-in-critically-ill-patients
#1
Neil J Glassford, Alison Skene, Maria B Guardiola, Matthew J Chan, Sean M Bagshaw, Rinaldo Bellomo, Kim Solez
BACKGROUND: The renal histopathology of critically ill patients dying with acute kidney injury (AKI) in intensive care units of high income countries remains uncertain. METHODS: Retrospective observational assessment of interobserver agreement in the reporting of renal post mortem histopathology, and the ability of pathologists blinded to the clinical context to independently identify the presence of pre-mortem AKI from digital images of histological sections from 34 critically ill patients dying in teaching hospitals in Australia and Canada...
December 2017: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
https://www.readbyqxmd.com/read/29197870/detection-of-acute-tubular-necrosis-using-blood-oxygenation-level-dependent-bold-mri
#2
Frederic Bauer, Jan Wald, Felix Jan Bauer, Lisa Maria Dahlkamp, Felix S Seibert, Nikolaos Pagonas, Egbert Gedat, Nina Babel, Walter Zidek, Christian von Bodman, Joachim Noldus, Dieter Liermann, Timm H Westhoff
BACKGROUND/AIMS: To date, there is no imaging technique to assess tubular function in vivo. Blood oxygen level-dependent magnetic resonance imaging (BOLD MRI) measures tissue oxygenation based on the transverse relaxation rate (R2*). The present study investigates whether BOLD MRI can assess tubular function using a tubule-specific pharmacological maneuver. METHODS: Cross sectional study with 28 participants including 9 subjects with ATN-induced acute kidney injury (AKI), 9 healthy controls, and 10 subjects with nephron sparing tumor resection (NSS) with clamping of the renal artery serving as a model of ischemia/reperfusion (I/R)-induced subclinical ATN (median clamping time 15 min, no significant decrease of eGFR, p=0...
December 4, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29174233/effectiveness-of-gamma-knife-radiosurgery-in-improving-psychophysical-performance-and-patient-s-quality-of-life-in-idiopathic-trigeminal-neuralgia
#3
Filippo Gagliardi, Alfio Spina, Michele Bailo, Nicola Boari, Andrea Cavalli, Alberto Franzin, Arianna Fava, Antonella Del Vecchio, Angelo Bolognesi, Pietro Mortini
OBJECTIVE: To assess effectiveness of Gamma Knife Radiosurgery (GKRS) in improving quality of life (QoL) in patients with idiopathic trigeminal neuralgia (TN). METHODS: Between January 2001 and October 2013, 166 patients with medically resistant TN were treated at our Institution with GKRS. Patients were divided into two groups: TTN (typical trigeminal neuralgia) and ATN (atypical trigeminal neuralgia) patients. All patients underwent clinical evaluation using Marseille, BNI (Barrow Neurological Institute) pain and numbness scores, moreover they completed the Short Form (36) Health Survey (SF-36), ADL (Activity Daily Living) and EGFP (Excellent Good Fair Poor) questionnaires, and underwent psychological and neurological examination...
November 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29150979/anterior-thalamic-nuclei-lesions-have-a-greater-impact-than-mammillothalamic-tract-lesions-on-the-extended-hippocampal-system
#4
Brook A L Perry, Stephanie A Mercer, Sophie C Barnett, Jungah Lee, John C Dalrymple-Alford
The anterior thalamic nuclei (ATN), mammillary bodies and their interconnecting fiber tract, the mammillothalamic tract (MTT), are important components of an extended hippocampal circuit for episodic memory. In humans, damage to the MTT or ATN in many disorders is associated with severe anterograde amnesia and it is assumed that their influence on memory is functionally equivalent. The relative influence of these two structures on memory has not, however, been assessed explicitly. Here, a direct comparison found that only ATN lesions impaired spatial reference memory in rats...
November 18, 2017: Hippocampus
https://www.readbyqxmd.com/read/29137996/mitochondrial-genome-of-diaphania-indica-saunders-lepidoptera-pyraloidea-and-implications-for-its-phylogeny
#5
Li-Shang Dai, Xu-Dong Zhou, Saima Kausar, Muhammad Nadeem Abbas, Liang Wu, Hai-Ling Zhou
The cucumber moth, Diaphania indica (Saunders) (Lepipdoptera: Pyralidae) is an economically important insect pest of cucurbits and is widely distributed in tropical and sub-tropical regions. Herein, we obtained entire mitochondrial genome (mitogenome) sequence of D. indica using polymerase chain reaction amplification and sequencing method. The complete mitogenome of D. indica is 15,367bp long, including 13 protein coding genes (PCGs), 22 transfer RNA genes (tRNAs), two ribosomal RNA genes (rRNAs) and an A+T rich element...
November 11, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29131245/expression-of-the-wnt-%C3%AE-catenin-signal-pathway-in-patients-with-acute-renal-injury
#6
S-Y Wang, S-X Yang, X-X Zhao, F Chen, J Shi
OBJECTIVE: The purpose of this investigation is to determine if the protein expression of the Wnt/β-catenin signal pathway is induced after acute renal injury in patients with acute tubular necrosis. PATIENTS AND METHODS: Sixty patients in who met inclusion criteria underwent renal biopsy. Based on the result of the biopsy, patients were divided into two groups: one with nephrotic syndrome with mini-change disease (MCD group, 30 patients), the other one with minor lesions and acute tubular necrosis (ATN, 30 patients)...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29127652/dapagliflozin-as-a-cause-of-acute-tubular-necrosis-with-heavy-consequences-a-case-report
#7
Christos Pleros, Elisavet Stamataki, Antonia Papadaki, Nikolaos Damianakis, Rafaela Poulidaki, Charikleia Gakiopoulou, Ioannis Tzanakis
A 50-year-old man with type II diabetes, hypertension and dyslipidemia, presented with non-oliguric acute kidney injury (AKI) and anemia. Renal biopsy showed acute tubular necrosis (ATN) with extensive cytoplasmic vacuolization and areas of tubulitis. These findings were ultimately attributed to dapagliflozin, which he started 3 months earlier due to poor glycemic control. ATN with similar microscopic findings has been described with larger doses of dapagliflozin in non-clinical trials. Our patient was started on dialysis and remained dialysis-dependent for 4 weeks while his renal function improved gradually thereafter...
November 10, 2017: CEN Case Reports
https://www.readbyqxmd.com/read/29127415/sequencing-and-characterization-of-the-complete-mitochondrial-genome-of-japanese-swellshark-cephalloscyllium-umbratile
#8
Ke-Cheng Zhu, Yin-Yin Liang, Na Wu, Hua-Yang Guo, Nan Zhang, Shi-Gui Jiang, Dian-Chang Zhang
To further comprehend the genome features of Cephalloscyllium umbratile (Carcharhiniformes), an endangered species, the complete mitochondrial DNA (mtDNA) was firstly sequenced and annotated. The full-length mtDNA of C. umbratile was 16,697 bp and contained ribosomal RNA (rRNA) genes, 13 protein-coding genes (PCGs), 23 transfer RNA (tRNA) genes, and a major non-coding control region. Each PCG was initiated by an authoritative ATN codon, except for COX1 initiated by a GTG codon. Seven of 13 PCGs had a typical TAA termination codon, while others terminated with a single T or TA...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29112632/prediction-of-60-day-case-fatality-in-critically-ill-patients-receiving-renal-replacement-therapy-external-validation-of-a-prediction-model
#9
Gloria Maria Custodio de Carvalho, Tacyano Tavares Leite, Alexandre Braga Libório
BACKGROUND: A recent prognostic model, predicting 60-day case fatality in critically-ill patients requiring RRT has been developed (Acute Renal Failure Trial Network - ATN study). Because many prognostic models are suggested in literature, but just a few have found its way into clinical practice, we aimed to externally validate this prediction model in an independent cohort. METHODS: 1,053 critically-ill patients requiring RRT from the MIMIC-III database were analyzed...
November 6, 2017: Shock
https://www.readbyqxmd.com/read/29072572/can-zero-hour-cortical-biopsy-predict-early-graft-outcomes-after-living-donor-renal-transplantation
#10
Ranjeet Singh Rathore, Nisarg Mehta, Sony Bhaskar Mehta, Manas Babu, Devesh Bansal, Biju S Pillai, Mohan P Sam, H Krishnamoorthy
INTRODUCTION: The aim of this study was to identify relevance of subclinical pathological findings in the kidneys of living donors and correlate these with early graft renal function. METHODS: This was a prospective study on 84 living donor kidney transplant recipients over a period of two years. In all the donors, cortical wedge biopsy was taken and sent for assessment of glomerular, mesangial, and tubule status. The graft function of patients with normal histology was compared with those of abnormal histological findings at one, three, and six months, and one year post-surgery...
November 11, 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/29070568/il-33-deficiency-slows-cancer-growth-but-does-not-protect-against-cisplatin-induced-aki-in-mice-with-cancer
#11
Kameswaran Ravichandran, Sara Holditch, Carolyn N Brown, Qian Wang, Abdullah Ozkok, Mary Cm Weiser-Evans, Raphael A Nemenoff, Makoto Miyazaki, Heather Thiessen-Philbrook, Chirag R Parikh, Danica Ljubanovic, Charles Louis Edelstein
The effect of IL-33 deficiency on AKI and cancer growth in a 4 week model of cisplatin-induced AKI in mice with cancer was determined. Mice were injected subcutaneously with murine lung cancer cells. Ten days later, cisplatin (10 mg/kg/week) was administered weekly for 4 weeks. The increase in kidney IL-33 preceded the AKI and tubular injury suggesting that IL-33 may play a causative role. However, the increase in serum creatinine, BUN, serum NGAL, ATN and apoptosis scores in the kidney in cisplatin-induced AKI was the same in wild type and IL-33 deficient mice...
October 25, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29045706/kidney-injury-molecule-1-staining-in-renal-allograft-biopsies-10-days-after-transplantation-is-inversely-correlated-with-functioning-proximal-tubular-epithelial-cells
#12
Jonna R Bank, Pieter van der Pol, Dianne Vreeken, Catherine Monge-Chaubo, Ingeborg M Bajema, Nicole Schlagwein, Daniëlle J van Gijlswijk, Sandra W van der Kooij, Marlies E J Reinders, Johan W de Fijter, Cees van Kooten
Background: Kidney injury molecule-1 (KIM-1) and neutrophil gelatinase-associated lipocalin (NGAL) are promising biomarkers for monitoring delayed graft function (DGF) after kidney transplantation. Here we investigated localization and distribution of KIM-1 and NGAL staining in renal allograft biopsies and studied their association with histological features, functional DGF (fDGF) and the tubular function slope (TFS), a functioning proximal tubular epithelial cell (PTEC) marker. Methods: Day 10 protocol biopsies of 64 donation after circulatory death recipients were stained for KIM-1 and NGAL and the positive area was quantified using ImageJ software...
October 16, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29040867/long-term-follow-up-of-anterior-thalamic-deep-brain-stimulation-in-epilepsy-a-11-year-single-center-experience
#13
Seong Hoon Kim, Sung Chul Lim, Jiyeon Kim, Byung-Chul Son, Kyung Jin Lee, Young-Min Shon
PURPOSE: Anterior thalamic deep brain stimulation (ATN DBS) is an emerging, effective treatment for patients with drug-resistant epilepsy, but long-term results on its efficacy and safety are lacking. To evaluate the long-term efficacy and safety of ATN DBS treatment, as well as predictors of its success, in patients with drug-refractory epilepsy (DRE). METHOD: We retrospectively studied clinical outcomes in 29 consecutive refractory epilepsy patients treated by a single DBS team (two neurosurgeons, four neurologists) over an 11-year period, for whom follow-up was performed for up to 137 months (mean, 74...
November 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29023314/renal-dysfunction-and-cirrhosis
#14
François Durand, Jody C Olson, Mitra K Nadim
PURPOSE OF REVIEW: Hepatorenal syndrome (HRS) does not represent the predominant phenotype of acute kidney injury (AKI) in cirrhosis. Early recognition of HRS helps initiate appropriate therapy. The aims of this review are to present redefinition of AKI, to list new biomarkers, to report recent data on vasopressors in HRS and to propose criteria for simultaneous liver and kidney transplantation (SLKT). RECENT FINDINGS: Urine output, which was not part of the definition of AKI might be reconsidered as it has an independent prognostic value...
December 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/29021958/complete-mitochondrial-genome-sequence-of-fruit-piercing-moth-eudocima-phalonia-linnaeus-1763-lepidoptera-noctuoidea
#15
Kuppusamy Sivasankaran, Pratheesh Mathew, Sekar Anand, Stanislaus Antony Ceasar, Soosaimanikam Mariapackiam, Savarimuthu Ignacimuthu
The complete mitochondrial genome of the fruit piercing moth Eudocima phalonia (Linnaeus, 1763) (Lepidoptera: Noctuoidea) was sequenced and characterized (Genbank Accession No: KY196412). The complete mitogenome is a circular molecule of 15,575 bp length, consisting of 13 protein-coding genes (PCGs), two ribosomal RNA genes (rrnS and rrnL), 22 transfer RNA (tRNA) genes and an A + T-rich region (D-loop). The nucleotide composition of the genome is highly A + T biased, accounting for 80.67% of nucleotides...
December 2017: Genomics Data
https://www.readbyqxmd.com/read/29020329/vitamin-d3-supplementation-increases-spine-bone-mineral-density-in-adolescents-and-young-adults-with-hiv-infection-being-treated-with-tenofovir-disoproxil-fumarate-a-randomized-placebo-controlled-trial
#16
Peter L Havens, Charles B Stephensen, Marta D Van Loan, Gertrud U Schuster, Leslie R Woodhouse, Patricia M Flynn, Catherine M Gordon, Cynthia G Pan, Brandy Rutledge, D Robert Harris, Georgine Price, Alyne Baker, William A Meyer, Craig M Wilson, Rohan Hazra, Bill G Kapogiannis, Kathleen Mulligan
Background: Tenofovir disoproxil fumarate (TDF) decreases bone mineral density (BMD). We hypothesized vitamin D3 (VITD3) would increase BMD in youth receiving TDF. Methods: Randomized double-blind placebo-controlled trial of directly observed VITD3 vs. placebo every 4 weeks for 48 weeks in youth ages 16-24 years with HIV, viral load <200 copies/mL, taking TDF-containing combination antiretroviral therapy (TDF-cART) for ≥180 days. Participants (N=214) received a daily multivitamin containing VITD3 400 IU and calcium 162 mg, plus monthly randomized VITD3 50,000 IU (N=109) or placebo (N=105)...
August 21, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29020194/comparison-of-measures-of-adherence-to-hiv-preexposure-prophylaxis-among-adolescent-and-young-men-who-have-sex-with-men-in-the-united-states
#17
Catherine A Koss, Sybil G Hosek, Peter Bacchetti, Peter L Anderson, Albert Y Liu, Howard Horng, Leslie Z Benet, Karen Kuncze, Alexander Louie, Parya Saberi, Craig M Wilson, Monica Gandhi
Background: Young men who have sex with men (MSM) are disproportionately impacted by HIV. Preexposure prophylaxis (PrEP) could reduce HIV acquisition among youth, but sub-optimal adherence threatens effectiveness. Optimal metrics of PrEP adherence among adolescents have not been defined. Methods: The ATN 110 and 113 studies provided daily oral PrEP with tenofovir (TFV) disoproxil fumarate/emtricitabine over 48 weeks to a diverse population of MSM (15-22 years). Self-reported adherence was assessed and PrEP drug concentrations measured from hair and dried blood spot (DBS) samples; 23% of participants received Wisepill electronic monitoring devices...
August 24, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28991884/hiv-continuum-of-care-for-youth-in-the-united-states
#18
Michelle A Lally, Jacob J van den Berg, Andrew O Westfall, Bret J Rudy, Sybil G Hosek, J Dennis Fortenberry, Dina Monte, Mary R Tanney, Elizabeth J McFarland, Jiahong Xu, Bill G Kapogiannis, Craig M Wilson
BACKGROUND: Beneficial HIV treatment outcomes require success at multiple steps along the HIV Continuum of Care. Youth living with HIV are a key population, and sites in the Adolescent Medicine Trials Network for HIV/AIDS Interventions (ATN) are known for modeling optimum HIV adolescent care. METHODS: A longitudinal cohort study conducted at 14 network sites across the United States assessed how the later steps of the Continuum of Care were achieved among youth: engagement, treatment and viral load suppression...
October 4, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28978740/c-elegans-sorb-1-localizes-to-integrin-adhesion-sites-and-is-required-for-organization-of-sarcomeres-and-mitochondria-in-myocytes
#19
Timothy Loveless, Hiroshi Qadota, Guy M Benian, Jeff Hardin
We have identified and characterized sorb-1, the only Sorbin and SH3 domain-containing protein family member in C. elegans SORB-1 is strongly localized to integrin adhesion complexes in larvae and adults, including adhesion plaques and dense bodies (Z-disks) of striated muscles and attachment plaques of smooth muscles. SORB-1 is recruited to the actin-binding, membrane-distal regions of dense bodies via its C-terminal SH3 domains in an ATN-1(α-actinin)- and ALP-1(ALP/Enigma)-dependent manner, where it contributes to the organization of sarcomeres...
October 4, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28975359/urine-metabolomics-insight-into-acute-kidney-injury-point-to-oxidative-stress-disruptions-in-energy-generation-and-h2s-availability
#20
Marta Martin-Lorenzo, Laura Gonzalez-Calero, Angeles Ramos-Barron, Maria D Sanchez-Niño, Carlos Gomez-Alamillo, Juan Manuel García-Segura, Alberto Ortiz, Manuel Arias, Fernando Vivanco, Gloria Alvarez-Llamas
Acute kidney injury (AKI) is one of the main complications in acute care medicine and a risk factor for chronic kidney disease (CKD). AKI incidence has increased; however, its diagnosis has limitations and physiopathological mechanisms are underexplored. We investigated urine samples, aiming to identify major metabolite changes during human AKI evolution. Metabolic signatures found were further explored for a potential link to severity of injury. Twenty-four control subjects and 38 hospitalized patients with AKI were recruited and urine samples were collected at the time of diagnosis, during follow-up and at discharge...
December 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
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