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https://www.readbyqxmd.com/read/29343697/effluent-and-serum-protein-n-glycosylation-is-associated-with-inflammation-and-peritoneal-membrane-transport-characteristics-in-peritoneal-dialysis-patients
#1
Evelina Ferrantelli, Karima Farhat, Agnes L Hipgrave Ederveen, Karli R Reiding, Robert H J Beelen, Frans J van Ittersum, Manfred Wuhrer, Viktoria Dotz
Mass spectrometric glycomics was used as an innovative approach to identify biomarkers in serum and dialysate samples from peritoneal dialysis (PD) patients. PD is a life-saving treatment worldwide applied in more than 100,000 patients suffering from chronic kidney disease. PD treatment uses the peritoneum as a natural membrane to exchange waste products from blood to a glucose-based solution. Daily exposure of the peritoneal membrane to these solutions may cause complications such as peritonitis, fibrosis and inflammation which, in the long term, lead to the failure of the treatment...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29332180/cd39-adenosinergic-axis-in-renal-pathophysiology-and-therapeutics
#2
REVIEW
Bellamkonda K Kishore, Simon C Robson, Karen M Dwyer
Extracellular ATP interacts with purinergic type 2 (P2) receptors and elicits many crucial biological functions. Extracellular ATP is sequentially hydrolyzed to ADP and AMP by the actions of defined nucleotidases, such as CD39, and AMP is converted to adenosine, largely by CD73, an ecto-5'-nucleotidase. Extracellular adenosine interacts with P1 receptors and often opposes the effects of P2 receptor activation. The balance between extracellular ATP and adenosine in the blood and extracellular fluid is regulated chiefly by the activities of CD39 and CD73, which constitute the CD39-adenosinergic axis...
January 13, 2018: Purinergic Signalling
https://www.readbyqxmd.com/read/29323725/serum-igg-antibodies-from-healthy-subjects-up-to-100-years-old-react-to-jc-polyomavirus
#3
Ilaria Bononi, Elisa Mazzoni, Silvia Pietrobon, Marco Manfredini, Elena Trregiani, Marika Rossini, Francesca Lotito, Giovanni Guerra, Paola Rizzo, Fernanda Martini, Mauro Tognon
JC polyomavirus (JCPyV) was identified in 1971 in the brain tissue of a patient (J.C.) affected by the progressive multifocal leukoencephalopathy (PML). JCPyV encodes for the oncoproteins large T antigen (Tag) and small t-antigen (tag). These oncoproteins are responsible of the cell transformation and tumorigenesis in experimental animals. JCPyV is ubiquitous in human populations. After the primary infection, which is usually asymptomatic, JCPyV remains lifelong in the host in a latent phase. Its reactivation may occur in heathy subjects and immunocompromised patients...
January 11, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29319781/a-future-for-nephrology
#4
Richard Glassock
It is interesting that some of my predictions came true and some did not, but I think the jury is still out on many of them. I start to remind everyone on the glorious past of Nephrology, from the physiology, translational and methodological discoveries that have contributed to the development of our discipline. I predict that the Academic branch of Nephrology will continue to excel in three domains: Creative Research,Teaching (Training) and Innovative Clinical Care. I forsee dramatic changes in Nephrology practice in the short term (10 years) and I discuss which areas will have a most dramatic impact...
October 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29303765/circulating-mir-21-mir-210-and-mir-146a-as-potential-biomarkers-to-differentiate-acute-tubular-necrosis-from-hepatorenal-syndrome-in-patients-with-liver-cirrhosis-a-pilot-study
#5
Mona Mohamed Watany, Rasha Youssef Hagag, Hanaa Ibrahim Okda
BACKGROUND: Acute kidney injury (AKI) in cirrhotic patients may be functional (hepatorenal syndrome [HRS]) or structural (acute tubular necrosis [ATN]). The differentiation between these two conditions remains challenging; no definite biomarker with a clear cutoff value had been declared. miRNAs seem to be attractive innovative biomarkers to identify the nature of kidney injury in cirrhotic patients. This study aimed to investigate the possibility of using miR-21, miR-210 and miR-146a as differentiating markers between HRS and ATN...
January 5, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29288697/mesenchymal-stromal-cells-for-tolerance-induction-in-organ-transplantation
#6
REVIEW
Federica Casiraghi, Norberto Perico, Giuseppe Remuzzi
The primary challenge in organ transplantation continues to be the need to suppress the host immune system long-term to ensure prolonged allograft survival. Long-term non-specific immunosuppression can, however, result in life-threatening complications. Thus, efforts have been pursued to explore novel strategies that would allow minimization of maintenance immunosuppression, eventually leading to transplant tolerance. In this scenario, bone marrow-derived mesenchymal stromal cells (MSC), given their given unique immunomodulatory properties to skew the balance between regulatory and memory T cells, have emerged as potential candidates for cell-based therapy to promote immune tolerance...
December 27, 2017: Human Immunology
https://www.readbyqxmd.com/read/29283393/comparative-evaluation-of-u-s-brand-and-generic-intravenous-sodium-ferric-gluconate-complex-in-sucrose-injection-biodistribution-after-intravenous-dosing-in-rats
#7
Christopher R Beekman, Murali Matta, Christopher D Thomas, Adil Mohammad, Sharron Stewart, Lin Xu, Ashok Chockalingam, Katherine Shea, Dajun Sun, Wenlei Jiang, Vikram Patel, Rodney Rouse
Relative biodistribution of FDA-approved innovator and generic sodium ferric gluconate (SFG) drug products was investigated to identify differences in tissue distribution of iron after intravenous dosing to rats. Three equal cohorts of 42 male Sprague-Dawley rats were created with each cohort receiving one of three treatments: (1) the innovator SFG product dosed intravenously at a concentration of 40 mg/kg; (2) the generic SFG product dosed intravenously at a concentration of 40 mg/kg; (3) saline dosed intravenously at equivalent volume to SFG products...
December 28, 2017: Nanomaterials
https://www.readbyqxmd.com/read/29259604/novel-non-histocompatibility-antigen-mismatched-variants-improve-the-ability-to-predict-antibody-mediated-rejection-risk-in-kidney-transplant
#8
Silvia Pineda, Tara K Sigdel, Jieming Chen, Annette M Jackson, Marina Sirota, Minnie M Sarwal
Transplant rejection is the critical clinical end-point limiting indefinite survival after histocompatibility antigen (HLA) mismatched organ transplantation. The predominant cause of late graft loss is antibody-mediated rejection (AMR), a process whereby injury to the organ is caused by donor-specific antibodies, which bind to HLA and non-HLA (nHLA) antigens. AMR is incompletely diagnosed as donor/recipient (D/R) matching is only limited to the HLA locus and critical nHLA immunogenic antigens remain to be identified...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29248148/acute-kidney-injury-in-pediatric-patients
#9
REVIEW
David M Kwiatkowski, Scott M Sutherland
Acute kidney injury (AKI) is highly prevalent among hospitalized children, especially those who are critically ill. The incorporation of pediatric elements into consensus definitions has led to a greater understanding of pediatric AKI epidemiology, risk factors, and outcomes. The best available data suggest that AKI occurs in 5% and 27% of non-critically ill and critically ill children, respectively. Additionally, AKI and fluid overload are independently associated with worse outcomes including mortality. Currently, the diagnosis of AKI relies upon urine output and creatinine measurements, both of which pose unique problems in children...
September 2017: Best Practice & Research. Clinical Anaesthesiology
https://www.readbyqxmd.com/read/29229171/special-considerations-in-pediatric-kidney-transplantation
#10
REVIEW
Sean A Hebert, Rita D Swinford, David R Hall, Jason K Au, John S Bynon
Universally accepted as the treatment of choice for children needing renal replacement therapy, kidney transplantation affords children the opportunity for an improved quality of life over dialysis therapy. Immunologic and surgical advances over the last 15 years have improved the pediatric patient and kidney graft survival. Unique to pediatrics, congenital genitourinary anomalies are the most common primary diseases leading to kidney failure, many with urological issues. Early urological evaluation for post-transplant bladder dysfunction and emphasis on immunization adherence are the mainstays of pediatric pretransplant and post-transplant evaluations...
November 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/29221625/population-health-for-ckd-and-diabetes-lessons-from%C3%A2-the-indian-health-service
#11
Andrew Narva
Despite extensive clinical guidelines, innovative efforts to improve care, and well-funded efforts to raise awareness, limited progress has been made in reducing the burden of kidney disease in the United States, and the prevalence continues to increase worldwide. The Indian Health Service and the Centers for Disease Control and Prevention recently reported a 54% decrease in the incidence of kidney failure among American Indian and Alaska Native people with diabetes. This decrease in end-stage renal disease incidence was associated with a population health approach to diabetes care based in the community and the primary clinical setting...
December 5, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29216750/pde-camp-epac-c-ebp-%C3%AE-signaling-cascade-regulates-mitochondria-biogenesis-of-tubular-epithelial-cells-in-renal-fibrosis
#12
Hao Ding, Feng Bai, Hongdi Cao, Jing Xu, Li Fang, JiNing Wu, Qi Yuan, Yang Zhou, Qi Sun, WeiChun He, ChunSun Dai, Ke Zen, Lei Jiang, Junwei Yang
AIM: cAMP is a universal second messenger that plays an important role in intracellular signal transduction. cAMP is synthesized by adenylate cyclases (ACs) from adenosine triphosphate (ATP), and terminated by the phosphodiesterases (PDEs). In the present study, we investigated the role of the cAMP pathway in tubular epithelial cells mitochondrial biogenesis in the pathogenesis of renal fibrosis. RESULTS: We found that the cAMP levels were decreased in fibrotic kidney tissues, and replenishing cAMP could ameliorate tubular atrophy and extracellular matrix deposition...
December 7, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/29205092/biocompatibility-of-subcutaneously-implanted-marine-macromolecules-cross-linked-bio-composite-scaffold-for-cartilage-tissue-engineering-applications
#13
A S Sumayya, G Muraleedhara Kurup
There is an intense interest in developing innovative biomaterials which support the invasion and proliferation of living cells for potential applications in tissue engineering and regenerative medicine. Present study demonstrated the in vivo biocompatibility and toxicity of a macromolecules cross-linked biocomposite scaffold composed of hydroxyapatite, alginate, chitosan and fucoidan abbreviated as HACF. The in vivo biocompatibility and toxicity of HACF scaffold were tested by comparing them with those of a biocompatible surgical metal implant (SMI) in a subcutaneous rat model...
December 5, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/29201454/the-role-of-peptide-receptor-radionuclide-therapy-in-advanced-metastatic-thoracic-neuroendocrine-tumors
#14
REVIEW
Lisa Bodei, Jarosław B Ćwikla, Mark Kidd, Irvin M Modlin
Bronchopulmonary (BP) neuroendocrine tumors (NETs) comprise a spectrum of tumors that develop from respiratory neuroendocrine cells and represent ~20% of all lung neoplasia and ~30% of all NETs. The only curative treatment is surgical resection. For well-differentiated forms (typical and atypical carcinoids), medical therapy ranges from bioactive agents (e.g., somatostatin analogs), to biotherapy (e.g., everolimus), standard chemotherapy and peptide receptor radionuclide therapy (PRRT). PRRT with radiolabeled somatostatin analogs is an innovative treatment for inoperable or metastasized, well/moderately differentiated, NET...
November 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29193160/multicenter-experience-with-mechanical-circulatory-support-using-a-new-diagonal-pump-in-233-children
#15
Brigitte Stiller, Robert Jan Houmes, André Rüffer, Matthias Kumpf, Andreas Müller, Florian Kipfmüller, Harald Köditz, Susanne Herber Jonat, Claudia Schmoor, Christoph Benk, Dick Tibboel, Thilo Fleck
Technological innovations in pediatric extracorporeal life support circuits can reduce system-related complications and may improve patients' outcome. The Deltastream DP3 (Medos Medizintechnik AG, Stolberg, Germany) is a novel rotational pump with a diagonally streamed impeller that can be used over a broad range of flows. We collected patient data from seven pediatric centers to conduct a retrospective cohort study. We examined 233 patients whose median age was 1.9 (0-201) months. The DP3 system was used for cardiopulmonary support as veno-arterial extracorporeal membrane oxygenation (ECMO) in 162 patients...
November 29, 2017: Artificial Organs
https://www.readbyqxmd.com/read/29188361/disruptive-technological-advances-in-vascular-access-for-dialysis-an-overview
#16
REVIEW
Wee-Song Yeo, Qin Xiang Ng
End-stage kidney disease (ESKD), one of the most prevalent diseases in the world and with increasing incidence, is associated with significant morbidity and mortality. Current available modes of renal replacement therapy (RRT) include dialysis and renal transplantation. Though renal transplantation is the preferred and ideal mode of RRT, this modality may not be available to all patients with ESKD. Moreover, renal transplant recipients are constantly at risk of complications associated with immunosuppression and immunosuppressant use, and posttransplant lymphoproliferative disorder...
November 29, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29178124/high-cut-off-membranes-in-acute-kidney-injury-and-continuous-renal-replacement-therapy
#17
Zaccaria Ricci, Stefano Romagnoli, Claudio Ronco
Innovation in continuous renal replacement therapies (CRRT) utilized to treat acute kidney injury (AKI) and sepsis, has brought new machines and techniques. Part of these new advances are due to the availability of innovative biomaterials and the construction of membranes with larger pores and wide distribution of pore sizes. This includes the creation of a new generation of high cut-off membranes whose utilization in clinical practice is promising for the wide spectrum of solutes that are removed during extracorporeal therapies...
November 24, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/29161709/impact-of-local-and-systemic-factors-on-kidney-dysfunction-in-bardet-biedl-syndrome
#18
Miriam Zacchia, Giovanna Capolongo, Francesco Trepiccione, Vincent Marion
Bardet Biedl syndrome (BBS) is a rare inherited syndromic condition characterized by renal and extra-renal disorders. Renal defect, at either structural or functional level, is one of the cardinal clinical features, and is a major cause of morbidity. However, the pathogenic mechanism underlying its dysfunction remains largely unknown, and to date only symptomatic treatment with no specific therapy is available for these patients. Elucidating aberrant cellular and/or systemic processes that impact kidney function is therefore a prerequisite to develop targeted innovative therapeutic strategies for the BBS patients...
November 21, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29161706/endotoxin-effects-on-cardiac-and-renal-functions-and-cardiorenal-syndromes
#19
Grazia Maria Virzì, Anna Clementi, Alessandra Brocca, Claudio Ronco
Gram-negative sepsis is a major cause of morbidity and mortality in critical ill patients. Recent findings in molecular biology and in signaling pathways have enhanced our understanding of its pathogenesis and opened up opportunities of innovative therapeutic approaches. Endotoxin plays a pivotal role in the pathogenesis of multi-organ dysfunction in the setting of gram-negative sepsis. Indeed, heart and kidney impairments seem to be induced by the release of circulating pro-inflammatory and pro-apoptotic mediators triggered by endotoxin interaction with immune cells...
November 22, 2017: Blood Purification
https://www.readbyqxmd.com/read/29161651/enhanced-anticancer-effect-of-fabricated-gallic-acid-cds-on-the-rgo-nanosheets-on-human-glomerular-mesangial-ip15-and-epithelial-proximal-hk2-kidney-cell-lines-cytotoxicity-investigations
#20
Wei Peng, Pengcheng Luo, Dingwen Gui, Weidong Jiang, Haixia Wu, Jie Zhang
In spite of the technological innovation in the biomedical science, cancer remains a critical disease. In this study, we designed a gallic acid/cadmium sulfide (GA/CdS) nanocomposite fabricated on the reduced graphene oxide (GA/CdS-rGO) nanosheets for the treatment system of human kidney cancer cells. The GA/CdS-rGO nanosheets have been prepared using gallic acid as a reducing agent. The characterization of nanocomposites was studied using UV-Vis spectroscope, FT-IR, XRD, SEM and TEM. The microscopic images showed the spherical shape and nano-scaled CdS nanoparticles on the sheet like rGO nanomaterials...
November 8, 2017: Journal of Photochemistry and Photobiology. B, Biology
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