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https://www.readbyqxmd.com/read/28938253/guidelines-for-the-diagnosis-and-management-of-critical-illness-related-corticosteroid-insufficiency-circi-in-critically-ill-patients-part-i-society-of-critical-care-medicine-sccm-and-european-society-of-intensive-care-medicine-esicm-2017
#1
Djillali Annane, Stephen M Pastores, Bram Rochwerg, Wiebke Arlt, Robert A Balk, Albertus Beishuizen, Josef Briegel, Joseph Carcillo, Mirjam Christ-Crain, Mark S Cooper, Paul E Marik, Gianfranco Umberto Meduri, Keith M Olsen, Sophia C Rodgers, James A Russell, Greet Van den Berghe
OBJECTIVE: To update the 2008 consensus statements for the diagnosis and management of critical illness-related corticosteroid insufficiency (CIRCI) in adult and pediatric patients. PARTICIPANTS: A multispecialty task force of 16 international experts in critical care medicine, endocrinology, and guideline methods, all of them members of the Society of Critical Care Medicine and/or the European Society of Intensive Care Medicine. DESIGN/METHODS: The recommendations were based on the summarized evidence from the 2008 document in addition to more recent findings from an updated systematic review of relevant studies from 2008 to 2017 and were formulated using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) methodology...
September 21, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28938184/preliminary-evidence-that-reactivity-to-uncertain-threat-is-an-endophenotype-for-alcohol-use-disorder
#2
Stephanie M Gorka, Stewart A Shankman
BACKGROUND: Having an exaggerated reactivity to threats that are uncertain (U-threat) may facilitate the initiation and maintenance of excessive alcohol use in some individuals. This abnormality may not just be a concomitant for alcohol use disorder (AUD), but also an endophenotype for AUD. METHOD: The aim of the current study was therefore to provide a preliminary test of whether U-threat is an endophenotype for AUD using several of the endophenotype criteria outlined by Gottesman and Gould (2003)...
September 14, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28938048/a-predictive-score-for-hypotension-in-patients-with-confirmed-dengue-fever-in-cayenne-hospital-french-guiana
#3
Félix Djossou, Guillaume Vesin, Narcisse Elenga, Magalie Demar, Loïc Epelboin, Gaëlle Walter, Philippe Abboud, Thierry Le-Guen, Dominique Rousset, Brigitte Moreau, Aba Mahamat, Denis Malvy, Mathieu Nacher
Background: Identifying patients at risk of developing severe dengue is challenging. The objective of the present study was to determine the incidence of hypotension and its predictive factors during the Dengue 2 epidemic in 2013. Methods: In 2013, a longitudinal study was performed using data from all confirmed cases of dengue seen in Cayenne General Hospital. The analysis used Cox proportional modeling to obtain adjusted hazards ratios for hypotension. Results: A total of 806 confirmed patients were included 78 (9...
December 1, 2016: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28937985/interference-with-plastome-gene-expression-and-clp-protease-activity-in-arabidopsis-triggers-a-chloroplast-unfolded-protein-response-to-restore-protein-homeostasis
#4
Ernesto Llamas, Pablo Pulido, Manuel Rodriguez-Concepcion
Disruption of protein homeostasis in chloroplasts impairs the correct functioning of essential metabolic pathways, including the methylerythritol 4-phosphate (MEP) pathway for the production of plastidial isoprenoids involved in photosynthesis and growth. We previously found that misfolded and aggregated forms of the first enzyme of the MEP pathway are degraded by the Clp protease with the involvement of Hsp70 and Hsp100/ClpC1 chaperones in Arabidopsis thaliana. By contrast, the combined unfolding and disaggregating actions of Hsp70 and Hsp100/ClpB3 chaperones allow solubilization and hence reactivation of the enzyme...
September 22, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28937603/proteome-stability-as-a-key-factor-of-genome-integrity
#5
REVIEW
Sentiljana Gumeni, Zoi Evangelakou, Vassilis G Gorgoulis, Ioannis P Trougakos
DNA damage is constantly produced by both endogenous and exogenous factors; DNA lesions then trigger the so-called DNA damaged response (DDR). This is a highly synchronized pathway that involves recognition, signaling and repair of the damage. Failure to eliminate DNA lesions is associated with genome instability, a driving force in tumorigenesis. Proteins carry out the vast majority of cellular functions and thus proteome quality control (PQC) is critical for the maintenance of cellular functionality. PQC is assured by the proteostasis network (PN), which under conditions of proteome instability address the triage decision of protein fold, hold, or degrade...
September 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28937571/practice-bulletin-no-183-postpartum-hemorrhage
#6
(no author information available yet)
Maternal hemorrhage, defined as a cumulative blood loss of greater than or equal to 1,000 mL or blood loss accompanied by signs or symptoms of hypovolemia within 24 hours after the birth process, remains the leading cause of maternal mortality worldwide (1). Additional important secondary sequelae from hemorrhage exist and include adult respiratory distress syndrome, shock, disseminated intravascular coagulation, acute renal failure, loss of fertility, and pituitary necrosis (Sheehan syndrome).Hemorrhage that leads to blood transfusion is the leading cause of severe maternal morbidity in the United States closely followed by disseminated intravascular coagulation (2)...
October 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28937566/practice-bulletin-no-183-summary-postpartum-hemorrhage
#7
(no author information available yet)
Maternal hemorrhage, defined as a cumulative blood loss of greater than or equal to 1,000 mL or blood loss accompanied by signs or symptoms of hypovolemia within 24 hours after the birth process, remains the leading cause of maternal mortality worldwide (1). Additional important secondary sequelae from hemorrhage exist and include adult respiratory distress syndrome, shock, disseminated intravascular coagulation, acute renal failure, loss of fertility, and pituitary necrosis (Sheehan syndrome).Hemorrhage that leads to blood transfusion is the leading cause of severe maternal morbidity in the United States closely followed by disseminated intravascular coagulation (2)...
October 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28937421/methylene-blue-to-treat-refractory-latex-induced-anaphylactic-shock-a-case-report
#8
Paulo Sergio Da Silva, Paula Furtado
Anaphylaxis occurs in 1/5000-1/20,000 of anesthesia cases and may evolve with shock and cardiovascular collapse in up to 54% of cases. Mortality varies from 3% to 10%. Latex is the second leading cause of anaphylaxis during the perioperative period. We report a case of latex-induced anaphylactic shock refractory to the usual catecholamine treatment that was reversed with the aid of methylene blue. Exaggerated activation of the nitric oxide-cyclic guanosine monophosphate pathway is observed in refractory shock...
September 20, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28937407/time-course-of-septic-shock-in-immunocompromised-and-nonimmunocompromised-patients
#9
Matthieu Jamme, Fabrice Daviaud, Julien Charpentier, Nathalie Marin, Michaël Thy, Yannick Hourmant, Jean-Paul Mira, Frédéric Pène
OBJECTIVES: To address the impact of underlying immune conditions on the course of septic shock with respect to both mortality and the development of acute infectious and noninfectious complications. DESIGN: An 8-year (2008-2015) monocenter retrospective study. SETTING: A medical ICU in a tertiary care center. PATIENTS: Patients diagnosed for septic shock within the first 48 hours of ICU admission were included. Patients were classified in four subgroups with respect to their immune status: nonimmunocompromised and immunocompromised distributed into hematologic or solid malignancies and nonmalignant immunosuppression...
September 20, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28936964/-a-case-of-large-pulmonary-embolism-in-trunk-and-branches-with-main-manifestation-of-syncope-vomiting-and-shock
#10
Rongbo Wen, Sheng Zhang, Linfeng He, Xiufeng Ji, Peng Wang, Qiuxiang Zhou, Jinlong Qu, Jun Guan, Zhaofen Lin
Pulmonary embolism (PE) refers to the endogenous or exogenous emboli blocking pulmonary trunk or branches, causing clinical and pathophysiological syndrome of pulmonary circulation disorder, the incidence rate is high. Sometimes PE patients were lack of specific symptoms and signs, or without any symptoms, which often result in misdiagnosis, un-timely diagnosis, and the delay of treatment. A PE case with syncope, vomiting and shock, which was proved to be pulmonary artery trunk and branch wide embolism later, was presented so as to improve the understanding of the disease...
September 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28936878/digoxin-is-associated-with-increased-shock-events-and-electrical-storms-in-patients-with-implantable-cardioverter-defibrillators
#11
George S Mina, Madan Acharya, Taylor Shepherd, George Gobrial, Michael Tekeste, Hussam Watti, Ruchi Bhandari, Aditya Saini, Pratap Reddy, Paari Dominic
AIM: Recently, digoxin use has been found to associate with higher mortality. Yet, potential mechanisms by which digoxin use increases mortality remain unclear. Increased arrhythmogenicity from digoxin use is one possibility. Thus, we aimed to evaluate the relation between digoxin and shock events in patients with implantable cardioverter defibrillators (ICDs). METHODS: We performed a retrospective chart review of all patients with ICDs and at least 1 device interrogation at our institution between January 1, 2012, and January 1, 2015...
January 1, 2017: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28936836/-molecular-cloning-and-characterization-of-two-kind-of-heat-shock-protein-gene-from-polyporus-umbellatus
#12
Meng-Meng Liu, Yong-Mei Xing, Shun-Xing Guo
With RT-PCR approaches, the full-length cDNA of two heat shock protein genes were cloned from total RNA of the Polyporus umbellatus sclerotium. The full open reading frame cDNA sequence of the Hsp90 was 2 091 bp, encoding 696 amino acid residues with a predicted molecular mass of 78.9 kDa. The full open reading frame cDNA sequence of the Hsp70 was 1 944 bp, encoding 647 amino acid residues with a predicted molecular mass of 70.5 kDa. The Hsp90 and Hsp70 protein contained the conservative structure domain, respectively...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28935773/a-randomized-double-blinded-phase-ii-trial-of-gemcitabine-and-nab-paclitaxel-plus-apatorsen-or-placebo-in-patients-with-metastatic-pancreatic-cancer-the-rainier-trial
#13
Andrew H Ko, Patrick B Murphy, James D Peyton, Dianna L Shipley, Ahmed Al-Hazzouri, Francisco A Rodriguez, Mark S Womack, Henry Q Xiong, David M Waterhouse, Margaret A Tempero, Shuangli Guo, Cassie M Lane, Chris Earwood, Laura M DeBusk, Johanna C Bendell
LESSONS LEARNED: The addition of the heat shock protein 27 (Hsp27)-targeting antisense oligonucleotide, apatorsen, to a standard first-line chemotherapy regimen did not result in improved survival in unselected patients with metastatic pancreatic cancer.Findings from this trial hint at the possible prognostic and predictive value of serum Hsp27 that may warrant further investigation. BACKGROUND: This randomized, double-blinded, phase II trial evaluated the efficacy of gemcitabine/nab-paclitaxel plus either apatorsen, an antisense oligonucleotide targeting heat shock protein 27 (Hsp27) mRNA, or placebo in patients with metastatic pancreatic cancer...
September 21, 2017: Oncologist
https://www.readbyqxmd.com/read/28934705/vitamin-c-the-next-step-in-sepsis-management
#14
REVIEW
J Teng, A Pourmand, M Mazer-Amirshahi
Sepsis is a life-threatening medical condition, affecting approximately 26 million people worldwide every year. The disease is a continuum, marked by dysregulated inflammation and hemodynamic instability leading to shock, multi-system organ dysfunction, and death. Over the past decades, there has been a focus on the early identification and treatment of sepsis primarily with bundled and goal directed therapy. Despite these advances, morbidity and mortality has remained high, prompting investigation into novel therapies...
September 18, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28934676/simultaneous-biofiltration-of-btex-and-hg%C3%A2-from-a-petrochemical-waste-stream
#15
Mostafa Leili, Sima Farjadfard, George A Sorial, Bahman Ramavandi
A biofiltration system was developed to treat benzene, toluene, ethylbenzene, and xylene (BTEX) and Hg° vapour from a petrochemical waste stream during overhaul maintenance. The biofilter compost bed was inoculated with a microbial consortium provided by a petrochemical wastewater treatment plant. The effect of the a BTEX concentration (192.6-973.8 g/m(3)h) and empty bed residence time (EBRT) of 20-100 s were studied under the conditions of steady state, transient, shock BTEX-loading, and off-restart. The findings revealed that during a biofilter start-up, an increase in the influent BTEX concentration to around 334...
September 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28934328/the-human-vgf-derived-bioactive-peptide-tlqp-21-binds-heat-shock-71-kda-protein-8-hspa8-on-the-surface-of-sh-sy5y-cells
#16
Shamim Akhter, Sandipan Chakraborty, Daniela Moutinho, Elia Álvarez-Coiradas, Isaac Rosa, Juan Viñuela, Eduardo Domínguez, Angel García, Jesús R Requena
VGF (non-acronymic)is a secreted chromogranin/secretogranin that gives rise to a number of bioactive peptides by a complex proteolysis mechanism. VGF-derived peptides exert an extensive array of biological effects in energy metabolism, mood regulation, pain, gastric secretion function, reproduction and, perhaps, cancer. It is therefore surprising that very little is known about receptors and binding partners of VGF-derived peptides and their downstream molecular mechanisms of action. Here, using affinity chromatography and mass spectrometry-based protein identification, we have identified the heat shock cognate 71 kDa protein A8 (HSPA8)as a binding partner of human TLQP-21 on the surface of human neuroblastomaSH-SY5Y cells...
2017: PloS One
https://www.readbyqxmd.com/read/28933646/visualizing-trna-dependent-mistranslation-in-human-cells
#17
Jeremy T Lant, Matthew D Berg, Daniel Hw Sze, Kyle S Hoffman, Ibukunoluwa C Akinpelu, Matthew Turk, Ilka U Heinemann, Martin L Duennwald, Christopher J Brandl, Patrick O'Donoghue
High-fidelity translation and a strictly accurate proteome were originally assumed as essential to life and cellular viability. Yet recent studies in bacteria and eukaryotic model organisms suggest that proteome-wide mistranslation can provide selective advantages and is tolerated in the cell at higher levels than previously thought (one error in 6.9 × 10(-4) in yeast) with a limited impact on phenotype. Previously, we selected a tRNA(Pro) containing a single mutation that induces mistranslation with alanine at proline codons in yeast...
September 21, 2017: RNA Biology
https://www.readbyqxmd.com/read/28933546/rational-design-of-selective-adenine-based-scaffolds-for-inactivation-of-bacterial-histidine-kinases
#18
Manibarsha Goswami, Kaelyn E Wilke, Erin E Carlson
Bacterial histidine kinases (HKs) are quintessential regulatory enzymes found ubiquitously in bacteria. Apart from regulatory roles, they are also involved in the production of virulence factors and conferring resistance to various antibiotics in pathogenic microbes. We have previously reported compounds that inhibit multiple HKs by targeting the conserved catalytic and ATP-binding (CA) domain. Herein, we conduct a detailed structure-activity relationship assessment of adenine-based inhibitors using biochemical and docking methods...
September 21, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28933507/renal-neoplasia-in-horses-a-retrospective-study
#19
Julia Vienenkötter, Krystyna Siudak, Lena Stallenberger, Christiane Herden
OBJECTIVE: Being confronted with a case series of renal neoplasia in several horses which was in striking divergence to literature data, we recognized the need of a retrospective study to assess the presence of renal neoplasms in horses. MATERIAL AND METHODS: Anamnestic animal data, necropsy findings and results of histological and immunohistochemical examinations from 2010 through 2015 were collected and evaluated regarding renal neoplasia. RESULTS: Data from postmortem examinations of 1069 horses revealed 20 horses with renal tumors constituting a prevalence of 1...
September 20, 2017: Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere
https://www.readbyqxmd.com/read/28932731/extracorporeal-membrane-oxygenation-support-for-refractory-septic-shock-in-liver-transplantation-recipients
#20
Kyo Won Lee, Chan Woo Cho, Nuri Lee, Gyu-Seong Choi, Yang Hyun Cho, Jong Man Kim, Choon Hyuck David Kwon, Jae-Won Joh
PURPOSE: This study was designed to assess the outcome of the extracorporeal membrane oxygenation (ECMO) in liver transplantation (LT) recipients with refractory septic shock and predict the prognosis of those cases. METHODS: From February 2005 to October 2012, ECMO was used in 8 cases of refractory septic shock. Laboratory values including lactate and total bilirubin level just before starting ECMO were obtained and sepsis-related organ failure assessment (SOFA) score, acute physiology and chronic health evaluation (APACH) II score and simplified acute physiology score (SAPS) 3 were calculated...
September 2017: Annals of Surgical Treatment and Research
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