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https://www.readbyqxmd.com/read/28921748/increased-risk-organ-transplantation-in-the-pediatric-population
#1
Sean M Wrenn, Peter W Callas, Trishul Kapoor, Alia F Aunchman, Adam N Paine, Jaime A Pineda, Carlos E Marroquin
IRD organs are classified by the Public Health Service to be at above-average risk for harboring human immunodeficiency virus, hepatitis C, and hepatitis B. Traditionally underutilized, there exists even greater reluctance for their use in pediatric patients. We performed a retrospective analysis via the United Network for Organ Sharing database of all pediatric renal and hepatic transplants performed from 2004 to 2008 in the United States. Primary outcomes were patient and graft survival. Proportional hazards regression was performed to control for potentially confounding factors...
September 17, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28919451/biphasic-modulation-of-neuro-and-interrenal-steroidogenesis-in-juvenile-african-sharptooth-catfish-clarias-gariepinus-exposed-to-waterborne-di-2-ethylhexyl-phthalate
#2
Augustine Arukwe, Oju R Ibor, Aina O Adeogun
Receptor (i.e genomic) and non-receptor (or non-genomic) effects of endocrine toxicology have received limited or almost non-existent attention for tropical species and regions. In the present study, we have studied the effects of di-(2-ethylhexyl) phthalate (DEHP) on neuro- and interrenal steroidogenesis of the African catfish (Clarias gariepinus) using molecular, immunochemical and physiological approaches. Juvenile fish (mean weight and length: 5.6 ± 0.6g and 8.2 ± 1.2 cm, respectively), were randomly distributed into ten 120 L rectangular glass tanks containing 60 L of dechlorinated tap water, at 50 fish per exposure group...
September 14, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28916603/phase-2a-clinical-trial-of-mitochondrial-protection-elamipretide-during-stent-revascularization-in-patients-with-atherosclerotic-renal-artery-stenosis
#3
Ahmed Saad, Sandra M S Herrmann, Alfonso Eirin, Christopher M Ferguson, James F Glockner, Haraldur Bjarnason, Michael A McKusick, Sanjay Misra, Lilach O Lerman, Stephen C Textor
BACKGROUND: Atherosclerotic renal artery stenosis reduces renal blood flow (RBF) and amplifies stenotic kidney hypoxia. Revascularization with percutaneous transluminal renal angioplasty (PTRA) and stenting often fails to recover renal function, possibly because of ischemia/reperfusion injury developing after PTRA. Elamipretide is a mitochondrial-targeted peptide that binds to cardiolipin and stabilizes mitochondrial function. We tested the hypothesis that elamipretide plus PTRA would improve renal function, oxygenation, and RBF in patients with atherosclerotic renal artery stenosis undergoing PTRA...
September 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28914602/initial-clinical-experience-with-a-modulated-holmium-laser-pulse-moses-technology-does-it-enhance-laser-lithotripsy-efficacy
#4
Michael Mullerad, Jonatan R A Aguinaga, Tareq Aro, Alexander Kastin, Oleg Goldin, Alexander Kravtsov, Akram Assadi, Shadie Badaan, Gilad E Amiel
OBJECTIVE: The Lumenis(®) High-power Holmium Laser (120H) has a unique modulated pulse mode, Moses™ technology. Moses technology modulates the laser pulse to separate the water (vapor bubble), then deliver the remaining energy through the bubble. Proprietary laser fibers were designed for the Moses technology. Our aim was to compare stone lithotripsy with and without the Moses technology. METHODS: We designed a questionnaire for the urologist to fill immediately after each ureteroscopy in which the Lumenis 120H was used...
September 13, 2017: Rambam Maimonides Medical Journal
https://www.readbyqxmd.com/read/28912528/extracellular-vesicles-derived-from-t-regulatory-cells-suppress-t-cell-proliferation-and-prolong-allograft-survival
#5
Sistiana Aiello, Federica Rocchetta, Lorena Longaretti, Silvia Faravelli, Marta Todeschini, Linda Cassis, Francesca Pezzuto, Susanna Tomasoni, Nadia Azzollini, Marilena Mister, Caterina Mele, Sara Conti, Matteo Breno, Giuseppe Remuzzi, Marina Noris, Ariela Benigni
We have previously shown that rat allogeneic DC, made immature by adenoviral gene transfer of the dominant negative form of IKK2, gave rise in-vitro to a unique population of CD4(+)CD25(-) regulatory T cells (dnIKK2-Treg). These cells inhibited Tcell response in-vitro, without needing cell-to-cell contact, and induced kidney allograft survival prolongation in-vivo. Deep insight into the mechanisms behind dnIKK2-Treg-induced suppression of Tcell proliferation remained elusive. Here we document that dnIKK2-Treg release extracellular vesicles (EV) riched in exosomes, fully accounting for the cell-contact independent immunosuppressive activity of parent cells...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28910156/antiproliferative-effects-of-bacillus-coagulans-unique-is2-in-colon-cancer-cells
#6
Ratna Sudha Madempudi, Arunasree M Kalle
In the present study, the in vitro anticancer (antiproliferative) effects of Bacillus coagulans Unique IS2 were evaluated on human colon cancer (COLO 205), cervical cancer (HeLa), and chronic myeloid leukemia (K562) cell lines with a human embryonic kidney cell line (HEK 293T) as noncancerous control cells. The Cytotoxicity assay (MTT) clearly demonstrated a 22%, 31.7%, and 19.5% decrease in cell proliferation of COLO 205, HeLa, and K562 cells, respectively, when compared to the noncancerous HEK 293T cells...
September 14, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28905671/microbiota-derived-uremic-retention-solutes-perpetrators-of-altered-nonrenal-drug-clearance-in-kidney-disease
#7
Alexander J Prokopienko, Thomas D Nolin
Scientific interest in the gut microbiota is increasing due to improved understanding of its implications in human health and disease. In patients with kidney disease, gut microbiota-derived uremic toxins directly contribute to altered nonrenal drug clearance. Microbial imbalances, known as dysbiosis, potentially increase formation of microbiota-derived toxins, and diminished renal clearance leads to toxin accumulation. High concentrations of microbiota-derived toxins such as indoxyl sulfate and p-cresol sulfate perpetrate interactions with drug metabolizing enzymes and transporters, which provides a mechanistic link between increases in drug-related adverse events and dysbiosis in kidney disease...
September 14, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28904068/empagliflozin-and-clinical-outcomes-in-patients-with-type-2-diabetes-established-cardiovascular-disease-and-chronic-kidney-disease
#8
Christoph Wanner, John M Lachin, Silvio E Inzucchi, David Fitchett, Michaela Mattheus, Jyothis T George, Hans-Juergen Woerle, Uli C Broedl, Maximilian von Eynatten, Bernard Zinman
Background -Empagliflozin, a sodium glucose cotransporter 2 inhibitor, reduced cardiovascular morbidity and mortality in patients with type 2 diabetes and established cardiovascular disease in the EMPA-REG OUTCOME(®) trial. Urinary glucose excretion with empagliflozin decreases with declining renal function, resulting in less potency for glucose lowering in patients with kidney disease. We investigated the effects of empagliflozin on clinical outcomes in patients with type 2 diabetes, established cardiovascular disease and chronic kidney disease...
September 13, 2017: Circulation
https://www.readbyqxmd.com/read/28903524/pediatric-dental-clinic-associated-outbreak-of-mycobacterium-abscessus-infection
#9
Lindsay A Hatzenbuehler, Melissa Tobin-D'Angelo, Cherie Drenzek, Gianna Peralta, Lisa C Cranmer, Evan J Anderson, Sarah S Milla, Shelly Abramowicz, Jumi Yi, Joseph Hilinski, Roy Rajan, Matthew K Whitley, Verlia Gower, Frank Berkowitz, Craig A Shapiro, Joseph K Williams, Paula Harmon, Andi L Shane
Background: Mycobacterium abscessus is an uncommon cause of invasive odontogenic infection. Methods: M abscessus-associated odontogenic infections occurred in a group of children after they each underwent a pulpotomy. A probable case-child was defined as a child with facial or neck swelling and biopsy-confirmed granulomatous inflammation after a pulpotomy between October 1, 2013, and September 30, 2015. M abscessus was isolated by culture in confirmed case-children...
September 1, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28899944/novel-endogenous-retrovirus-derived-transcript-expressed-in-the-bovine-placenta-is-regulated-by-wnt-signaling
#10
Toshihiro Sakurai, So Nakagawa, Hanako Bai, Rulan Bai, Kazuya Kusama, Atsushi Ideta, Yoshito Aoyagi, Kazuyuki Kaneko, Kosuke Iga, Jiro Yasuda, Takayuki Miyazawa, Kazuhiko Imakawa
Endogenous retroviruses (ERVs) are involved in placentation; perhaps the most well-known ERV s are the syncytins, actively transcribed env genes involved in cell-cell fusion and possible morphological variations. However, ERVs other than syncytins that play an important role in placental development have not been well characterized. To identify ERV genes expressed during the onset of placentation in the bovine species, we characterized the expression profiles of bovine conceptus transcripts during the peri-attachment period using RNA-seq analysis, and confirming some candidates through real-time PCR...
September 12, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28899817/acute-oral-toxicity-study-of-magnesium-oxide-nanoparticles-and-microparticles-in-female-albino-wistar-rats
#11
Bhanuramya Mangalampalli, Naresh Dumala, Paramjit Grover
Advancements in nanotechnology have led to the development of the nanomedicine, which involves nanodevices for diagnostic and therapeutic purposes. A key requirement for the successful use of the nanoparticles (NPs) in biomedical applications is their good dispensability, colloidal stability in biological media, internalization efficiency, and low toxicity. Therefore, toxicological profiling is necessary to understand the mechanism of NPs and microparticles (MPs). MgO NPs have attracted wide scientific interest due to ease of synthesis, chemical stability and unique properties...
September 9, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28893708/ex-vivo-reconstruction-and-autotransplantation-for-hilar-renal-artery-aneurysms-in-patients-with-congenital-anomalies
#12
Jaiyeola Adeyemi, Jacob Johnson, Yevgeniy Rits, A George Akingba, Jeffrey Rubin
Renal artery aneurysms (RAAs) are an uncommon finding but are more often associated with other congenital disorders. The complex (hilar) RAAs constitute a subset of RAAs that present a therapeutic dilemma for the vascular surgeon; because of their anatomic location. This dilemma worsens when hilar RAAs occur with a solitary kidney where organ preservation is vital. Ex-vivo reconstruction with autotransplantation is especially suitable for hilar RAAs, even when they are associated with a solitary kidney. We report two of such cases of RAA's with a solitary kidney in patients with pertinent congenital anomalies...
September 8, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28893420/the-hallmarks-of-mitochondrial-dysfunction-in-chronic-kidney-disease
#13
Daniel L Galvan, Nathanael H Green, Farhad R Danesh
Recent advances have led to a greater appreciation of how mitochondrial dysfunction contributes to diverse acute and chronic pathologies. Indeed, mitochondria have received increasing attention as a therapeutic target in a variety of diseases because they serve as key regulatory hubs uniquely situated at crossroads between multiple cellular processes. This review provides an overview of the role of mitochondrial dysfunction in chronic kidney disease, with special emphasis on its role in the development of diabetic nephropathy...
September 8, 2017: Kidney International
https://www.readbyqxmd.com/read/28892099/glomerular-barrier-behaves-as-an-atomically-precise-bandpass-filter-in-a-sub-nanometre-regime
#14
Bujie Du, Xingya Jiang, Anindita Das, Qinhan Zhou, Mengxiao Yu, Rongchao Jin, Jie Zheng
The glomerular filtration barrier is known as a 'size cutoff' slit, which retains nanoparticles or proteins larger than 6-8 nm in the body and rapidly excretes smaller ones through the kidneys. However, in the sub-nanometre size regime, we have found that this barrier behaves as an atomically precise 'bandpass' filter to significantly slow down renal clearance of few-atom gold nanoclusters (AuNCs) with the same surface ligands but different sizes (Au18, Au15 and Au10-11). Compared to Au25 (∼1.0 nm), just few-atom decreases in size result in four- to ninefold reductions in renal clearance efficiency in the early elimination stage, because the smaller AuNCs are more readily trapped by the glomerular glycocalyx than larger ones...
September 11, 2017: Nature Nanotechnology
https://www.readbyqxmd.com/read/28891817/neutrophil-fc%C3%AE-riia-promotes-igg-mediated-glomerular-neutrophil-capture-via-abl-src-kinases
#15
Hiroshi Nishi, Kazuhiro Furuhashi, Xavier Cullere, Gurpanna Saggu, Mark J Miller, Yunfeng Chen, Florencia Rosetti, Samantha L Hamilton, Lihua Yang, Spencer P Pittman, Jiexi Liao, Jan M Herter, Jeffrey C Berry, Daniel J DeAngelo, Cheng Zhu, George C Tsokos, Tanya N Mayadas
The kidney glomerular capillaries are frequent sites of immune complex deposition and subsequent neutrophil accumulation in post-infectious and rapidly progressive glomerulonephritis. However, the mechanisms of neutrophil recruitment remain enigmatic, and there is no targeted therapeutic to avert this proximal event in glomerular inflammation. The uniquely human activating Fc receptor FcγRIIA promotes glomerular neutrophil accumulation and damage in anti-glomerular basement membrane-induced (anti-GBM-induced) glomerulonephritis when expressed on murine neutrophils...
September 11, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28885375/tenofovir-alafenamide-nephrotoxicity-in-an-hiv-positive-patient-a-case-report
#16
Tessa K Novick, Michael J Choi, Avi Z Rosenberg, Blaithin A McMahon, Derek Fine, Mohamed G Atta
RATIONALE: Tenofovir alafenamide (TAF) is novel prodrug of Tenofovir, a nucleotide reverse transcriptase inhibitor. TAF is less nephrotoxic than its predecessor prodrug, tenofovir disoproxil fumarate (TDF). Tenofovir causes mitochondrial dysfunction and tubular injury when there is elevated accumulation in proximal tubule cells. TAF's unique pharmacokinetic profile enables provision of lower required doses for antiviral efficacy. Lower concentrations reach renal tubules minimizing intracellular accumulation and mitochondrial damage...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28884741/-the-nephroprotective-potential-of-peloid-therapy-used-for-the-rehabilitation-of-the-patients-presenting-with-chronic-pyelonephritis
#17
E I Slobodian, N N Kaladze, A L Govdaliuk, E I Kulik
This review article presents the data on the mechanism of action of peloid therapy from the perspective of its defibrosing effect, the structure and functions of the extracellular matrix under the normal and pathological conditions. In addition, role of this treatment modality in the progression of tubulointerstitial fibrosis which determines the severity and prognosis of chronic pyelonephritis is considered. The researchers are currently carry out the extensive studies aimed at the search of the methods for the primary and secondary prevention of chronic pyelonephritis...
2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/28877365/molecular-cloning-characterization-and-expression-of-immunoglobulin-d-igd-on-pathogen-challenge-and-pamps-stimulation-in-freshwater-carp-catla-catla
#18
Rajanya Banerjee, Bhakti Patel, Madhubanti Basu, Saswati S Lenka, Mahismita Paicha, Mrinal Samanta, Surajit Das
The primordial immunoglobulin class, IgD is the first non-IgM isotype discovered in teleosts. The crucial role of IgM and IgZ in imparting systemic and mucosal immunity respectively has been widely established in various fish species. However, the putative function of unique IgD isotype during pathogenic invasions has not been explored much. The present study reports the existence of IgD ortholog in freshwater carp, Catla catla and further evaluates its differential expression profile in response to bacterial, parasitic, viral antigenic exposure and (pathogen associated molecular patterns) PAMPs stimulations...
September 6, 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28869200/irreversible-electroporation-and-thermal-ablation-of-tumors-in-the-liver-lung-kidney-and-bone-what-are-the-differences
#19
REVIEW
L G P H Vroomen, E N Petre, F H Cornelis, S B Solomon, G Srimathveeravalli
Focal treatment with radiofrequency, microwave and cryoablation has been increasingly used for the treatment of tumors in patients who cannot undergo surgical resection and in select patients with early stage or oligometastatic disease. Each of these ablation modalities has a unique working principle and biophysics underlying the ablative effect, which largely determines the clinical indication for its application. Irreversible electroporation, a relatively new ablation technique with a predominantly nonthermal cell killing mechanism has emerged as an alternative treatment technique for tumors that are contraindicated for thermal ablation because of safety or efficacy considerations...
September 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28864466/the-evolving-complexity-of-the-podocyte-cytoskeleton
#20
Christoph Schell, Tobias B Huber
Podocytes exhibit a unique cytoskeletal architecture that is fundamentally linked to their function in maintaining the kidney filtration barrier. The cytoskeleton regulates podocyte shape, structure, stability, slit diaphragm insertion, adhesion, plasticity, and dynamic response to environmental stimuli. Genetic mutations demonstrate that even slight impairment of the podocyte cytoskeletal apparatus results in proteinuria and glomerular disease. Moreover, mechanisms underpinning all acquired glomerular pathologies converge on disruption of the cytoskeleton, suggesting that this subcellular structure could be targeted for therapeutic purposes...
September 1, 2017: Journal of the American Society of Nephrology: JASN
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