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https://www.readbyqxmd.com/read/27908485/managing-fluid-and-electrolyte-disorders-in-kidney-disease
#1
REVIEW
Cathy Langston
Because of the role of the kidneys in maintaining homeostasis in the body, kidney disease leads to derangements of fluid, electrolyte, and acid-base balance. The most effective therapy of a uremic crisis is careful management of fluid balance, which involves thoughtful assessment of hydration, a fluid treatment plan personalized for the specific patient, and repeated and frequent reassessment of fluid and electrolyte balance. Disorders of sodium, chloride, potassium, calcium, and phosphorus are commonly encountered in kidney disease and some may be life-threatening...
November 28, 2016: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/27908416/suppression-of-the-brain-pituitary-testicular-axis-function-following-acute-arsenic-and-manganese-co-exposure-and-withdrawal-in-rats
#2
Isaac A Adedara, Amos O Abolaji, Ifeoluwa O Awogbindin, Ebenezer O Farombi
Despite the fact that most environmental exposures to metals do not occur in isolation, the combined effects of metal mixtures on brain-pituitary-gonadal axis are poorly known. The present study investigated the impacts of co-exposure to arsenic (As) and manganese (Mn) on sperm characteristics, reproductive hormones and selected oxidative stress indices in the brain, testes and epididymis of rats following exposure for 15 consecutive days to 60mg/L of AsO2Na and 30mg/L of MnCl2 in drinking water. The results showed that while the brain weight remained unaffected, the fluid intake and the weights of testes and epididymis significantly (p<0...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27907227/the-effectiveness-of-trace-dna-profiling-a-comparison-between-a-u-s-and-a-u-k-law-enforcement-jurisdiction
#3
John W Bond, Jocelyn R Weart
Recovery, profiling, and speculative searching of trace DNA (not attributable to a body fluid/cell type) over a twelve-month period in a U.S. Crime Laboratory and U.K. police force are compared. Results show greater numbers of U.S. firearm-related items submitted for analysis compared with the U.K., where greatest numbers were submitted from burglary or vehicle offenses. U.S. multiple recovery techniques (double swabbing) occurred mainly during laboratory examination, whereas the majority of U.K. multiple recovery techniques occurred at the scene...
December 1, 2016: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/27907225/informativeness-of-ngs-analysis-for-vaginal-fluid-identification
#4
Saverio Giampaoli, Elisabetta DeVittori, Federica Valeriani, Andrea Berti, Vincenzo Romano Spica
The identification of vaginal fluids in forensic examinations plays an important role in crime scene reconstruction. Molecular detection of vaginal bacterial communities can lead to the correct discrimination of body fluids. These kinds of studies can be performed through multiplex real-time PCR using primers for a specific selection of bacteria. The availability of next-generation sequencing (NGS) protocols provided for the extension of the analysis to evaluate the prokaryotes present in specimens. In this study, DNA was extracted from 18 samples (vaginal, oral, fecal, yoghurt) and analyzed by real-time PCR and NGS...
December 1, 2016: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/27906864/potential-for-treatment-and-a-zika-virus-vaccine
#5
Natalie Quanquin, Lulan Wang, Genhong Cheng
PURPOSE OF REVIEW: Zika virus (ZIKV) has only recently been exposed as a significant public health threat, and much of our limited knowledge of its pathogenesis and triggered immune responses were discovered in only the last few years. There are currently no ZIKV-specific therapeutics or vaccines available. This review seeks to bring the reader up-to-date with the latest developments in finding a way to combat this emerging infectious disease. RECENT FINDINGS: Current strategies used for developing ZIKV vaccines or treatments follow proven methods used against other flaviviruses...
November 30, 2016: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/27906749/sodium-and-potassium-in-the-pathogenesis-of-hypertension-focus-on-the-brain
#6
Horacio J Adrogué, Nicolaos E Madias
PURPOSE OF REVIEW: Primary hypertension is characterized by Na excess and K deficit in the body, which together are key to its pathogenesis. These derangements work jointly in the brain and the peripheral vascular wall to establish hypertension. In this review, we highlight recent evidence describing the central mechanisms through which Na surfeit and K deficit enhance sympathetic nerve activity, thereby raising peripheral vascular resistance and generating hypertension. RECENT FINDINGS: Animal studies point to a small increase in plasma and cerebrospinal fluid (CSF) [Na], a small decrease in CSF [K], and increased levels of circulating angiotensin II, aldosterone, and endogenous ouabain as the central signals evoking hypertension...
November 30, 2016: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/27906705/arterial-pressure-variation-in-elective-noncardiac-surgery-identifying-reference-distributions-and-modifying-factors
#7
Michael R Mathis, Samuel A Schechtman, Milo C Engoren, Amy M Shanks, Aleda Thompson, Sachin Kheterpal, Kevin K Tremper
BACKGROUND: Assessment of need for intravascular volume resuscitation remains challenging for anesthesiologists. Dynamic waveform indices, including systolic and pulse pressure variation, are demonstrated as reliable measures of fluid responsiveness for mechanically ventilated patients. Despite widespread use, real-world reference distributions for systolic and pulse pressure variation values have not been established for euvolemic intraoperative patients. The authors sought to establish systolic and pulse pressure variation reference distributions and assess the impact of modifying factors...
December 1, 2016: Anesthesiology
https://www.readbyqxmd.com/read/27906067/aspartylglycosaminuria-a-review
#8
REVIEW
Maria Arvio, Ilkka Mononen
Aspartylglucosaminuria (AGU), a recessively inherited lysosomal storage disease, is the most common disorder of glycoprotein degradation with a high prevalence in the Finnish population. It is a lifelong condition affecting on the patient's appearance, cognition, adaptive skills, physical growth, personality, body structure, and health. An infantile growth spurt and development of macrocephalia associated to hernias and respiratory infections are the key signs to an early identification of AGU. Progressive intellectual and physical disability is the main symptom leading to death usually before the age of 50 years...
December 1, 2016: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/27905341/heidenhain-variant-of-creutzfeldt-jakob-disease-in-a-patient-who-had-bovine-bioprosthetic-valve-implantation
#9
Jehard Hashoul, Waleed Saliba, Irina Bloch, Haneen Jabaly-Habib
Creutzfeldt-Jakob disease (CJD) is a rare neurodegenerative disorder characterized by rapidly progressing dementia, general neurologic deterioration, and death. When the leading symptoms are visual disturbances, it is termed as the Heidenhain variant of CJD (HvCJD). CJD was reported following prion-contaminated pericardium transplants but never after bovine bioprosthetic cardiac valve. In this case report, we describe HvCJD in a patient who had a bovine bioprosthetic cardiac valve implant. An 82-year-old-woman was referred to neuro-ophthalmology clinic for unexplained visual loss that started 1 month previously...
October 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27905297/altered-thermoregulatory-responses-in-heart-failure-patients-exercising-in-the-heat
#10
Bryce N Balmain, Ollie Jay, Surendran Sabapathy, Danielle Royston, Glenn M Stewart, Rohan Jayasinghe, Norman R Morris
Heart failure (HF) patients appear to exhibit impaired thermoregulatory capacity during passive heating, as evidenced by diminished vascular conductance. Although some preliminary studies have described the thermoregulatory response to passive heating in HF, responses during exercise in the heat remain to be described. Therefore, the aim of this study was to compare thermoregulatory responses in HF and controls (CON) during exercise in the heat. Ten HF (NYHA classes I-II) and eight CON were included. Core temperature (Tc), skin temperature (Tsk), and cutaneous vascular conductance (CVC) were assessed at rest and during 1 h of exercise at 60% of maximal oxygen uptake...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27904930/micrornas-in-bone-diseases
#11
REVIEW
L Gennari, S Bianciardi, D Merlotti
MicroRNAs are small, noncoding single-stranded RNAs that have emerged as important posttranscriptional regulators of gene expression, with an essential role in vertebrate development and different biological processes. This review highlights the recent advances in the function of miRNAs and their roles in bone remodeling and bone diseases. MicroRNAs (miRNAs) are a class of small (∼22 nt), noncoding single-stranded RNAs that have emerged as important posttranscriptional regulators of gene expression. They are essential for vertebrate development and play critical roles in different biological processes related to cell differentiation, activity, metabolism, and apoptosis...
November 30, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27904881/sfr1-a-tetrahymena-thermophila-sfi1-repeat-protein-modulates-the-production-of-cortical-row-basal-bodies
#12
Westley Heydeck, Alexander J Stemm-Wolf, Janin Knop, Christina C Poh, Mark Winey
Basal bodies are essential microtubule-based structures that template, anchor, and orient cilia at the cell surface. Cilia act primarily in the generation of directional fluid flow and sensory reception, both of which are utilized for a broad spectrum of cellular processes. Although basal bodies contribute to vital cell functions, the molecular contributors of their assembly and maintenance are poorly understood. Previous studies of the ciliate Tetrahymena thermophila revealed important roles for two centrin family members in basal body assembly, separation of new basal bodies, and stability...
November 2016: MSphere
https://www.readbyqxmd.com/read/27904758/penetrating-thoracic-spinal-cord-injury-with-ice-pick-extending-into-the-aorta-a-technical-note-and-review-of-the-literature
#13
Rani Nasser, Jonathan Nakhla, Saadat Sharif, Merritt Kinon, Reza Yassari
BACKGROUND: Penetrating spinal cord injuries pose a great challenge to both patients and the treating physicians. Although the overall incidence of penetrating spinal cord injury is the highest in the military, the ubiquity of guns in our society continues to make penetrating spinal cord injury prevalent in the civilian population. These types of injuries are particularly complicated because, beyond the trauma to the neural elements and supporting structures, other organs can be affected and a team approach is required for successful treatment...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27903339/-effect-of-goal-directed-haemodynamic-management-on-the-postoperative-outcome-in-elderly-patients-with-fragile-cardiac-function-undergoing-abdominal-surgery
#14
L S Zheng, E W Gu, X H Peng, L Zhang, Y Y Cao
Objective: To investigate the effect of goal-directed haemodynamic management based on stroke volume variation (SVV), cardiac index (CI) and mean arterial blood pressure (MAP) on the postoperative outcome in elderly patients with fragile cardiac function undergoing gastrointestinal surgery. Methods: Ninety patients with fragile cardiac function, aged 65-90 years old, ASAⅡ or Ⅲ, NYHA Ⅱor Ⅲ, scheduled for abdominal surgery were enrolled in this study.The patients were randomly assigned to two groups: Experience anesthesia group (group E, n=45) and goal-directed hemodynamic management group (G group, n=45)...
November 22, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27902700/plasma-lactoferrin-levels-positively-correlate-with-insulin-resistance-despite-an-inverse-association-with-total-adiposity-in-lean-and-severely-obese-patients
#15
Sylvain Mayeur, Alain Veilleux, Yves Pouliot, Benoît Lamarche, Jean-François Beaulieu, Frédéric S Hould, Denis Richard, André Tchernof, Emile Levy
CONTEXT: Lactoferrin (Lf) is an important protein found on mucosal surfaces, within neutrophils and various cells, and in biological fluids. It displays multiple functions, including iron-binding as well as antimicrobial, immunomodulatory and anti-inflammatory activities. Although Lf ingestion has been suggested to cause adiposity reduction in murine models and humans, its relationship with insulin resistance (IR) has not been studied thoroughly. OBJECTIVE: To establish the association between circulating Lf levels, glucose status and blood lipid/lipoprotein profile...
2016: PloS One
https://www.readbyqxmd.com/read/27902458/dna-sequences-within-glioma-derived-extracellular-vesicles-can-cross-the-intact-blood-brain-barrier-and-be-detected-in-peripheral-blood-of-patients
#16
Noemí García-Romero, Josefa Carrión-Navarro, Susana Esteban-Rubio, Elisa Lázaro-Ibáñez, María Peris-Celda, Marta M Alonso, Juan Guzmán-De-Villoria, Carlos Fernández-Carballal, Ana Ortiz de Mendivil, Sara García-Duque, Carmen Escobedo-Lucea, Ricardo Prat-Acín, Cristóbal Belda-Iniesta, Angel Ayuso-Sacido
Tumor-cell-secreted extracellular vesicles (EVs) can cross the disrupted blood-brain barrier (BBB) into the bloodstream. However, in certain gliomas, the BBB remains intact, which might limit EVs release. To evaluate the ability of tumor-derived EVs to cross the BBB, we used an orthotopic xenotransplant mouse model of human glioma-cancer stem cells featuring an intact BBB. We demonstrated that all types of tumor cells-derived EVs-apoptotic bodies, shedding microvesicles and exosomes-cross the intact BBB and can be detected in the peripheral blood, which provides a minimally invasive method for their detection compared to liquid biopsies obtained from cerebrospinal fluid (CSF)...
November 26, 2016: Oncotarget
https://www.readbyqxmd.com/read/27902449/is-n-n-dimethylglycine-n-oxide-a-choline-and-betaine-metabolite
#17
Michael Lever, Christopher J McEntyre, Peter M George, Stephen T Chambers
Choline metabolism is by oxidation to betaine, which is demethylated to N,N-dimethylglycine; dimethylglycine is oxidatively demethylated to sarcosine. This pathway is important for osmoregulation and as a source of methyl groups. We asked whether another metabolite was involved. We synthesized the N-oxide of dimethylglycine (DMGO) by oxidizing dimethylglycine with peracetic acid, and measured DMGO in human plasma and urine by HPLC-MS/MS with positive ion detection, using two chromatography procedures, based on ion exchange and HILIC separations...
November 30, 2016: Biological Chemistry
https://www.readbyqxmd.com/read/27900767/cumulative-changes-in-weight-but-not-fluid-volume-balances-reflect-fluid-accumulation-in-icu-patients
#18
M Köster, S Dennhardt, F Jüttner, H-B Hopf
BACKGROUND: The cumulative fluid balance of critically ill patients seems to be an outcome-relevant variable. However, there are no validated data for their reliability calculated for longer (> 5 days) periods of time. METHODS: All ICU patients ≥ 18 years, with an ICU stay ≥ 5 days and a body weight ≤ 195 kg were evaluated from 1 January 2013 to 31 December 2013. Daily standardized weighing was performed using bed-integrated scales simultaneously with the daily 24-h fluid balance...
November 30, 2016: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/27900678/a-customized-quantitative-pcr-microrna-panel-provides-a-technically-robust-context-for-studying-neurodegenerative-disease-biomarkers-and-indicates-a-high-correlation-between-cerebrospinal-fluid-and-choroid-plexus-microrna-expression
#19
Wang-Xia Wang, David W Fardo, Gregory A Jicha, Peter T Nelson
MicroRNA (miRNA) expression varies in association with different tissue types and in diseases. Having been found in body fluids including blood and cerebrospinal fluid (CSF), miRNAs constitute potential biomarkers. CSF miRNAs have been proposed as biomarkers for neurodegenerative diseases; however, there is a lack of consensus about the best candidate miRNA biomarkers and there has been variability in results from different research centers, perhaps due to technical factors. Here, we sought to optimize technical parameters for CSF miRNA studies...
November 29, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27900090/traumatic-rupture-of-solid-pseudopapillary-tumors-of-the-pancreas-in-children-a-case-report
#20
Semih Lütfi Mirapoğlu, Ibrahim Aydogdu, Zuhal Gucin, Temel Fatih Yilmaz, Tarik Umutoglu, Huseyin Kilincaslan
Solid pseudopapillary tumor (SPT) of the pancreas is a pathological entity rarely encountered in children. Despite its malignant characteristics, SPT has a favorable clinical prognosis. This tumor is more frequently observed in females and is commonly localized in the tail and body of the pancreas. This is the case report of a 9-year-old female patient who presented with severe abdominal pain of sudden onset and vomiting following blunt abdominal trauma. Upon physical examination, abdominal distension, tenderness and abdominal guarding were detected...
November 2016: Molecular and Clinical Oncology
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