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https://www.readbyqxmd.com/read/28735065/time-required-for-resetting-postural-effects-on-serum-constituents-in-healthy-individuals
#1
Yoshihisa Shimizu, Kiyoshi Ichihara, Katsunori Kouguchi
OBJECTIVE: We investigated postural effects on concentrations of commonly measured serum analytes and sought for optimal duration of sitting before venipuncture in an outpatient setting. METHODS: Seven healthy volunteers changed posture serially at 30-minute (min) intervals from lying, sitting, slowly walking, sitting, and to lying again. At the end of the first lying posture, wing-needle was inserted into cubital vein and 3mL of blood was drawn every 5min. All the serum was stored at -80°C until the time of collective measurements for 16 major chemistry analytes two weeks later...
July 19, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28734929/aripiprazole-prevents-renal-ischemia-reperfusion-injury-in-rats-probably-through-nitric-oxide-involvement
#2
Hanieh Gholampour, Leila Moezi, Hamed Shafaroodi
Renal ischemia/reperfusion (I/R) injury is strongly related to morbidity and mortality. Oxidative stress, inflammation, and apoptosis play key roles in renal dysfunction following renal I/R. Aripiprazole is an atypical antipsychotic which used for the treatment of schizophrenia and bipolar disorder. Recent studies have reported aripiprazole as displaying certain anti-inflammatory effects. Regarding the underlying mechanisms of renal ischemia-reperfusion, therefore, nephroprotective effects might be predicted to be seen with aripiprazole...
July 19, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28733520/the-ketogenic-diet-is-not-feasible-as-a-therapy-in-a-cd-1-nu-nu-mouse-model-of-renal-cell-carcinoma-with-features-of-stauffer-s-syndrome
#3
Silvia Vidali, Sepideh Aminzadeh-Gohari, René Günther Feichtinger, Renaud Vatrinet, Andreas Koller, Felix Locker, Tricia Rutherford, Maura O'Donnell, Andrea Stöger-Kleiber, Bridget Lambert, Thomas Klaus Felder, Wolfgang Sperl, Barbara Kofler
The ketogenic diet (KD), a high-fat low-carbohydrate diet, has shown some efficacy in the treatment of certain types of tumors such as brain tumors and neuroblastoma. These tumors are characterized by the Warburg effect. Because renal cell carcinoma (RCC) presents similar energetic features as neuroblastoma, KD might also be effective in the treatment of RCC. To test this, we established xenografts with RCC 786-O cells in CD-1 nu/nu mice and then randomized them to a control diet or to KDs with different triglyceride contents...
July 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28733476/mir-30e-targets-glipr-2-to-modulate-diabetic-nephropathy-in-vitro-and-in-vivo-experiments
#4
Dong Zhao, Jinhua Jia, Hong Shao
The objectives of this study are to investigate the effect of miR-30e targeting GLIPR-2 on the pathological mechanism of DN. The renal tissues of db/db and db/m mice at different age of weeks were stained with PAS. qRT-PCR was applied to detect the expression of miR-30e and GLIPR-2, not only in the renal tissues of mice but also in the renal tubular epithelial cells (RTECs). By luciferase reporter gene assays, we found the 3'-UTR of the GLIPR-2 mRNA as a direct target of miR-30e. The RTECs cultured in high glucose were divided into blank control, NC, miR-30e mimics, miR-30e inhibitors, miR-30e inhibitor + si-GLIPR-2 and si-GLIPR-2 groups...
August 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28733201/prone-percutaneous-nephrolithotomy-does-bolster-orientation-matter
#5
Daniel Sagalovich, Cecilia Besa, Timothy Tran, Haresh Thummar, Blake Le Grand, Bachir Taouli, Mantu Gupta
OBJECTIVES: To assess whether horizontal versus vertical bolster orientation affects kidney position during prone percutaneous nephrolithotomy as this could impact the need for supracostal access and therefore the likelihood of pleural injury. METHODS: In a prospective trial, ten subjects with 20 renal units underwent magnetic resonance imaging in prone position with standard cylindrical bolsters oriented vertically and then horizontally. Vertical bolsters were placed along the lateral aspect of the chest...
July 18, 2017: Urology
https://www.readbyqxmd.com/read/28731900/micro-and-macro-circulatory-changes-during-sepsis-and-septic-shock-in-a-rat-model
#6
Tianfeng Hua, Xiaobo Wu, Wei Wang, Hao Li, Jennifer Bradley, Mary Ann Peberdy, Joseph P Ornato, Wanchun Tang
Microcirculation is the motor of sepsis. In the present study, we investigated whether microcirculatory alterations occur prior to changes of systemic hemodynamics in a rat model of cecum ligation and puncture (CLP)-induced sepsis. We further investigated renal microcirculatory changes during sepsis and compared those with buccal microcirculation. Twelve male Sprague-Dawley rats were randomized into a sham control group (n = 6) and a CLP group (n = 6). Perfused microvessel density (PVD) and microvascular flow index (MFI) were evaluated using sidestream dark field (SDF) video microscopy at baseline, 60, 120, 180, 240, 300, and 360 minutes following CLP...
July 20, 2017: Shock
https://www.readbyqxmd.com/read/28730184/associations-between-deceased-donor-urine-mcp-1-and-kidney-transplant-outcomes
#7
S G Mansour, J Puthumana, P P Reese, I E Hall, M D Doshi, F L Weng, B Schröppel, H Thiessen-Philbrook, M Bimali, C R Parikh
INTRODUCTION: Existing methods to predict recipient allograft function during deceased-donor kidney procurement are imprecise. Understanding the potential renal reparative role for monocyte chemoattractant protein-1 (MCP-1), a cytokine involved in macrophage recruitment after injury, might help predict allograft outcomes. METHODS: We conducted a sub-study of the multicenter prospective Deceased Donor Study cohort, which evaluated deceased kidney donors from five organ procurement organizations from May 2010 to December 2013...
July 2017: KI Reports
https://www.readbyqxmd.com/read/28729967/tesevatinib-ameliorates-progression-of-polycystic-kidney-disease-in-rodent-models-of-autosomal-recessive-polycystic-kidney-disease
#8
William E Sweeney, Philip Frost, Ellis D Avner
AIM: To investigate the therapeutic potential of tesevatinib (TSV), a unique multi-kinase inhibitor currently in Phase II clinical trials for autosomal dominant polycystic kidney disease (ADPKD), in well-defined rodent models of autosomal recessive polycystic kidney disease (ARPKD). METHODS: We administered TSV in daily doses of 7.5 and 15 mg/kg per day by I.P. to the well characterized bpk model of polycystic kidney disease starting at postnatal day (PN) 4 through PN21 to assess efficacy and toxicity in neonatal mice during postnatal development and still undergoing renal maturation...
July 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28729966/causal-relationship-between-hypoalbuminemia-and-acute-kidney-injury
#9
REVIEW
Christian J Wiedermann, Wolfgang Wiedermann, Michael Joannidis
Our meta-analysis published in 2010 provided evidence that low levels of serum albumin (hypoalbuminemia) are a significant independent predictor of acute kidney injury (AKI) and death following AKI. Since then, a large volume of additional data from observational clinical studies has been published further evaluating the relationship between serum albumin and AKI occurrence. This is an updated review of the literature to re-evaluate the hypothesis that hypoalbuminemia is independently associated with increased AKI risk...
July 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28729905/an69st-membranes-adsorb-nafamostat-mesylate-and-affect-the-management-of-anticoagulant-therapy-a-retrospective-study
#10
Takahiro Hirayama, Nobuyuki Nosaka, Yasumasa Okawa, Soichiro Ushio, Yoshihisa Kitamura, Toshiaki Sendo, Toyomu Ugawa, Atsunori Nakao
BACKGROUND: In Japan, nafamostat mesylate (NM) is frequently used as an anticoagulant during continuous renal replacement therapy (CRRT). The dialyzer membrane AN69ST has been reported to adsorb NM and affect the management of anticoagulant therapy. However, the adsorbed amount has not yet been quantitatively assessed. Therefore, in this study, we evaluated the pre- and post-hemofilter prolongation of the activated clotting time (ACT) in patients with AN69ST and PS membranes. We also measured the adsorption of NM in three types of CRRT membranes using an experimental model...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/28729428/fluorine-18-labeled-carboplatin-derivative-for-pet-imaging-of-platinum-drug-distribution
#11
Narottam Lamichhane, Gajanan K Dewkar, Sundaresan Gobalakrishnan, Li Wang, Purnima Jose, Muhammad Otabashi, Jean-Luc Morelle, Nicholas Farrell, Jamal Zweit
Increasing evidence indicates that reduced intracellular drug accumulation is the parameter most consistently associated with platinum drug resistance, and emphasizes the need to directly measure intra-tumor drug concentration. In the era of precision medicine and with the advent of powerful imaging and proteomics technologies, there is an opportunity to better understand drug resistance, by exploiting these techniques to provide new knowledge on drug-target interactions. Here, we are contributing to this endeavor by reporting on the development of a fluorine-18 labeled carboplatin derivative ((18)F-FCP) that can be used to potentially image drug uptake and retention, including intra-tumoral distribution, by positron emission tomography (PET)...
July 20, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28729288/urinary-extracellular-vesicles-of-podocyte-origin-and-renal-injury-in-preeclampsia
#12
Sarwat I Gilani, Ulrik Dolberg Anderson, Muthuvel Jayachandran, Tracey L Weissgerber, Ladan Zand, Wendy M White, Natasa Milic, Maria Lourdes Gonzalez Suarez, Rangit Reddy Vallapureddy, Åsa Nääv, Lena Erlandsson, John C Lieske, Joseph P Grande, Karl A Nath, Stefan R Hansson, Vesna D Garovic
Renal histologic expression of the podocyte-specific protein, nephrin, but not podocin, is reduced in preeclamptic compared with normotensive pregnancies. We hypothesized that renal expression of podocyte-specific proteins would be reflected in urinary extracellular vesicles (EVs) of podocyte origin and accompanied by increased urinary soluble nephrin levels (nephrinuria) in preeclampsia. We further postulated that podocyte injury and attendant formation of EVs are related mechanistically to cellfree fetal hemoglobin (HbF) in maternal plasma...
July 20, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28729036/molecular-mechanisms-of-renal-aging
#13
REVIEW
Roland Schmitt, Anette Melk
Epidemiologic, clinical, and molecular evidence suggest that aging is a major contributor to the increasing incidence of acute kidney injury and chronic kidney disease. The aging kidney undergoes complex changes that predispose to renal pathology. The underlying molecular mechanisms could be the target of therapeutic strategies in the future. Here, we summarize recent insight into cellular and molecular processes that have been shown to contribute to the renal aging phenotype.The main clinical finding of renal aging is the decrease in glomerular filtration rate, and its structural correlate is the loss of functioning nephrons...
July 17, 2017: Kidney International
https://www.readbyqxmd.com/read/28729034/prolonged-renal-survival-in-light-chain-amyloidosis-speed-and-magnitude-of-light-chain-reduction-is-the-crucial-factor
#14
Tamer Rezk, Helen J Lachmann, Marianna Fontana, Sajitha Sachchithanantham, Shameem Mahmood, Aviva Petrie, Carol J Whelan, Jennifer H Pinney, Darren Foard, Thirusha Lane, Taryn Youngstein, Ashutosh D Wechalekar, Paul Bass, Philip N Hawkins, Julian D Gillmore
Renal involvement causing progressive chronic kidney disease (CKD) is present in 70% of patients with systemic Ig light-chain (AL) amyloidosis at diagnosis. Chemotherapy that substantially suppresses free light chain production is associated with improved patient survival, but its benefit in delaying the onset of renal replacement therapy among patients who present with established advanced CKD has not been studied. To evaluate this, we studied 1000 patients enrolled in the prospective UK AL amyloidosis chemotherapy study (ALchemy)...
July 17, 2017: Kidney International
https://www.readbyqxmd.com/read/28728829/short-term-double-natural-orifice-catheterization-nonoperative-management-of-hydrocolpos-in-persistent-cloaca-patients-case-series
#15
Stjepan Višnjić, Mislav Bastić, Mateja Marčec, Marko Mesić
PURPOSE: Management of hydrocolpos in cloaca patients is of clinical importance. We report a nonoperative method for the management of hydrocolpos in the form of initial catheter decompression, followed by an endoscopy with catheters placement into both the bladder and vagina, and leaving these catheters for 9 and 14days respectively. METHODS: The medical records of six cloaca patients with hydrocolpos in the last 12years were reviewed. The outcomes measured were the renal function, bladder emptying, the presence/resolution of hydronephrosis, and the recurrence of hydrocolpos...
June 27, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28728756/circulating-soluble-urokinase-plasminogen-activator-receptor-levels-and-peripheral-arterial-disease-outcomes
#16
Ayman Samman Tahhan, Salim S Hayek, Pratik Sandesara, Jamal Hajjari, Muhammad Hammadah, Wesley T O'Neal, Heval M Kelli, Ayman Alkhoder, Nima Ghasemzadeh, Yi-An Ko, Hiroshi Aida, Mohamad Mazen Gafeer, Naser Abdelhadi, Kareem Hosny Mohammed, Keyur Patel, Shipra Arya, Jochen Reiser, Viola Vaccarino, Laurence Sperling, Arshed Quyyumi
BACKGROUND AND AIMS: Circulating soluble urokinase plasminogen activator receptor (suPAR) is a marker of immune activation associated with atherosclerosis. Whether suPAR levels are associated with prevalent peripheral arterial disease (PAD) and its adverse outcomes remains unknown and is the aim of the study. METHODS: SuPAR levels were measured in 5810 patients (mean age 63 years, 63% male, 77% with obstructive coronary artery disease [CAD]) undergoing cardiac catheterization...
June 8, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28728576/beneficial-effect-of-kidney-transplantation-from-a-deceased-donor-on-severe-chronic-refractory-intradialytic-hypotension-a-case-report
#17
Ewa Ignacak, Dominik Cieniawski, Alina Bętkowska-Prokop, Czesław Osuch, Marek Kuźniewski, Władysław Sułowicz
BACKGROUND: Chronic refractory hypotension (IDH, intradialytic hypotension) is a rare but serious problem encountered in patients on hemodialysis. Patients with chronic hypotension are often disqualified by transplant teams from renal transplantation. This is due to the possibility of an enormous risk of ischemic complications. CASE PRESENTATION: We describe a 44-year old female patient with severe refractory hypotension (mean BP 60/30 mmHg, the lowest 48/28 mmHg), which appeared after bilateral laparoscopic nephrectomy of the infected kidneys...
July 20, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28728510/serum-level-of-anti-%C3%AE-enolase-antibody-in-untreated-systemic-lupus-erythematosus-patients-correlates-with-24-hour-urine-protein-and-d-dimer
#18
M Li, J Li, J Wang, Y Li, P Yang
Objective The objective of this report is to evaluate the prevalence and clinico-serological correlations of anti-α-enolase antibody (Ab) in patients with systemic lupus erythematosus (SLE). Methods Thirty-two untreated patients with SLE and 20 age- and sex-matched healthy controls were evaluated by rheumatologic examinations. The serum levels of anti-α-enolase Ab were measured by an enzyme-linked immunosorbent assay (ELISA). Clinical, biochemical and serological markers of disease activity were measured by standard laboratory procedure...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28727945/micronutrient-alterations-during-continuous-renal-replacement-therapy-in-critically-ill-adults-a-retrospective-study
#19
Amir Y Kamel, Nisha J Dave, Vivian M Zhao, Daniel P Griffith, Michael J Connor, Thomas R Ziegler
BACKGROUND: Continuous renal replacement therapy (CRRT) is commonly used to provide renal replacement therapy in the intensive care unit. Limited published data suggest that CRRT may lead to depletion of water-soluble vitamins and trace elements. The goal of this study was to identify the incidence of trace element and vitamin deficiencies in critically ill patients during CRRT. MATERIALS AND METHODS: This study is based on a retrospective chart review of patients who were referred to Emory University Hospital's nutrition support services and had at least 1 serum micronutrient level measured during CRRT (thiamin, pyridoxine, ascorbic acid, folate, zinc, and copper) between April 1, 2009, and June 1, 2012...
July 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28727756/dysregulation-of-micrornas-and-renin-angiotensin-system-in-high-salt-diet-induced-cardiac-dysfunction-in-uninephrectomized-rats
#20
Venkateswara Rao Amara, Sunil Kumar Surapaneni, Kulbhushan Tikoo
Uninephrectomy is not associated with major adverse events in cardiovascular and renal functions of live kidney donors. The effect of high salt diet on the quality of life of live kidney donors is largely unknown. Hence in this study, we aimed to determine the effect of high salt diet on the alterations of renin-angiotensin system and microRNAs leading to CV and renal dysfunction in uninephrectomized rats. In order to mimic clinical scenario, uninephrectomized male Sprague Dawley rats were fed initially with normal pellet diet for 12 weeks and then for 20 weeks with high salt (10% w/w NaCl) diet...
2017: PloS One
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