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https://www.readbyqxmd.com/read/29141943/anemia-at-older-age-etiologies-clinical-implications-and-management
#1
Reinhard Stauder, Peter Valent, Igor Theurl
Anemia is quite frequently diagnosed in older individuals and is a key indicator of various reactive and clonal conditions. Many underlying diseases, like the myelodysplastic syndromes (MDS), develop preferentially in elderly individuals. The prevalence of anemia at older age is increasing, and this is mainly due to more frequently applied diagnostics and demographic changes in our societies. The etiology of anemia at older age is complex and ranges from bone marrow failure syndromes to chronic kidney disease, and from nutritional deficiencies to inflammatory processes including inflammaging in immunosenescence...
November 15, 2017: Blood
https://www.readbyqxmd.com/read/29135993/bioequivalence-between-innovator-and-generic-tacrolimus-in-liver-and-kidney-transplant-recipients-a-randomized-crossover-clinical-trial
#2
Rita R Alloway, Alexander A Vinks, Tsuyoshi Fukuda, Tomoyuki Mizuno, Eileen C King, Yuanshu Zou, Wenlei Jiang, E Steve Woodle, Simon Tremblay, Jelena Klawitter, Jost Klawitter, Uwe Christians
BACKGROUND: Although the generic drug approval process has a long-term successful track record, concerns remain for approval of narrow therapeutic index generic immunosuppressants, such as tacrolimus, in transplant recipients. Several professional transplant societies and publications have generated skepticism of the generic approval process. Three major areas of concern are that the pharmacokinetic properties of generic products and the innovator (that is, "brand") product in healthy volunteers may not reflect those in transplant recipients, bioequivalence between generic and innovator may not ensure bioequivalence between generics, and high-risk patients may have specific bioequivalence concerns...
November 2017: PLoS Medicine
https://www.readbyqxmd.com/read/29127979/-the-city-of-the-kidney-a-platform-for-co-constructing-a-therapeutic-pathway
#3
REVIEW
Clotilde Genon
Innovative in terms of assisting shared medical decision making, the internet platform 'the City of the Kidney' aims to provide reliable and independent information to patients with kidney disease requiring dialysis or transplant as well as to their relatives. A tool which health professionals can recommend to their patients as a source of detailed information.
November 2017: Revue de L'infirmière
https://www.readbyqxmd.com/read/29116339/%C3%AE-arrestin-1-deficiency-ameliorates-renal-interstitial-fibrosis-by-blocking-wnt1-%C3%AE-catenin-signaling-in-mice
#4
Huiyan Xu, Quanxin Li, Jiang Liu, Jiaqing Zhu, Liang Li, Ziying Wang, Yan Zhang, Yu Sun, Jinpeng Sun, Rong Wang, Fan Yi
Despite substantial progress being made in understanding the mechanisms contributing to the pathogenesis of renal fibrosis, there are only a few therapies available to treat or prevent renal fibrosis in clinical use today. Therefore, identifying the key cellular and molecular mediators involved in the pathogenesis of renal fibrosis will provide new therapeutic strategy for treating patients with chronic kidney disease (CKD). β-Arrestin-1, a member of β-arrestin family, not only is a negative adaptor of G protein-coupled receptors (GPCRs), but also acts as a scaffold protein and regulates a diverse array of cellular functions independent of GPCR activation...
November 7, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29114949/protective-effect-of-gdnf-engineered-amniotic-fluid-derived-stem-cells-on-the-renal-ischaemia-reperfusion-injury-in-vitro
#5
Jia Wang, Fengzhen Wang, Zhuojun Wang, Shulin Li, Lu Chen, Caixia Liu, Dong Sun
OBJECTIVES: Amniotic fluid-derived stem cells (AFSCs) possessing multilineage differentiation potential are proposed as a novel and accessible source for cell-based therapy and tissue regeneration. Glial-derived neurotrophic factor (GDNF) has been hypothesized to promote the therapeutic effect of AFSCs on markedly ameliorating renal dysfunction. The aim of this study was to investigate whether AFSCs equipped with GDNF (GDNF-AFSCs) had capabilities of attenuating mouse renal tubular epithelial cells (mRTECs) apoptosis and evaluate its potential mechanisms...
November 7, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/29104526/-tissue-papers-from-organ-specific-decellularized-extracellular-matrices
#6
Adam E Jakus, Monica M Laronda, Alexandra S Rashedi, Christina M Robinson, Chris Lee, Sumanas W Jordan, Kyle E Orwig, Teresa K Woodruff, Ramille N Shah
Using an innovative, tissue-independent approach to decellularized tissue processing and biomaterial fabrication, the development of a series of "tissue papers" derived from native porcine tissues/organs (heart, kidney, liver, muscle), native bovine tissue/organ (ovary and uterus), and purified bovine Achilles tendon collagen as a control from decellularized extracellular matrix particle ink suspensions cast into molds is described. Each tissue paper type has distinct microstructural characteristics as well as physical and mechanical properties, is capable of absorbing up to 300% of its own weight in liquid, and remains mechanically robust (E = 1-18 MPa) when hydrated; permitting it to be cut, rolled, folded, and sutured, as needed...
September 13, 2017: Advanced Functional Materials
https://www.readbyqxmd.com/read/29100512/experimental-application-of-business-process-management-technology-to-manage-clinical-pathways-a-pediatric-kidney-transplantation-follow-up-case
#7
Martina Andellini, Sandra Fernandez Riesgo, Federica Morolli, Matteo Ritrovato, Piero Cosoli, Silverio Petruzzellis, Nicola Rosso
BACKGROUND: To test the application of Business Process Management technology to manage clinical pathways, using a pediatric kidney transplantation as case study, and to identify the benefits obtained from using this technology. METHODS: Using a Business Process Management platform, we implemented a specific application to manage the clinical pathway of pediatric patients, and monitored the activities of the coordinator in charge of the case management during a 6-month period (from June 2015 to November 2015) using two methodologies: the traditional procedure and the one under study...
November 3, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/29091368/medical-devices-clinical-chemistry-and-clinical-toxicology-devices-classification-of-the-acute-kidney-injury-test-system-final-order
#8
(no author information available yet)
The Food and Drug Administration (FDA or we) is classifying the acute kidney injury test system into class II (special controls). The special controls that apply to the device type are identified in this order and will be part of the codified language for the acute kidney injury test system's classification. We are taking this action because we have determined that classifying the device into class II (special controls) will provide a reasonable assurance of safety and effectiveness of the device. We believe this action will also enhance patients' access to beneficial innovative devices, in part by reducing regulatory burdens...
October 30, 2017: Federal Register
https://www.readbyqxmd.com/read/29061333/novel-aspects-of-epitope-matching-and-practical-application-in-kidney-transplantation
#9
Wai H Lim, Germaine Wong, Sebastiaan Heidt, Frans H J Claas
This review describes the recent developments in the applicability and clinical significance of epitope matching in kidney transplantation. As incremental human leukocyte antigen (HLA) mismatches are associated with increased risk of rejection and allograft loss, HLA-matching remains one of the standard immunological triage tests to determine transplant suitability. Advancements in tissue-typing techniques have led to innovative concepts of HLA-matching at the epitope level. Epitopes are configurations of polymorphic amino acid residues that are recognized by B cells, and antibodies reactive with these epitopes lead to rejection and/or premature allograft loss...
October 20, 2017: Kidney International
https://www.readbyqxmd.com/read/29055405/traumatic-brain-injury-diabetic-neuropathy-and-altered-psychiatric-health-the-fateful-triangle
#10
Hadi Abou-El-Hassan, Batoul Dia, Khalil Choucair, Stephanie A Eid, Farah Najdi, Lama Baki, Farid Talih, Assaad A Eid, Firas Kobeissy
Traumatic brain injury is a detrimental medical condition particularly when accompanied by diabetes. There are several comorbidities going along with diabetes including, but not limited to, kidney failure, obesity, coronary artery disease, peripheral vascular disease, hypertension, stroke, neuropathies and amputations. Unlike diabetes type 1, diabetes type 2 is more common in adults who simultaneously suffer from other comorbid conditions making them susceptible to repetitive fall incidents and sustaining head trauma...
October 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28981231/-home-dialysis-techniques-from-dream-to-reality
#11
S Treille, B Guillaume
The economic environment has pushed our political leaders to severely limit the health care spending. Belgian nephrologists have signed an agreement to attain more than 40 % of " alternative " dialysis techniques such as peritoneal dialysis (PD) and home hemodialysis (HHD). They will become unavoidable and major future therapy modalities. This article summarizes PD and HDD techniques in order to help health professionals and to inform them about innovative research in home dialysis techniques. It is a non exhaustive list of the many advantages, if not superiority, of the treatment of end stage renal disease (ESRD) at home instead of in-center HD...
2017: Revue Médicale de Bruxelles
https://www.readbyqxmd.com/read/28971660/-hemodialysis-present-innovations-for-patients-future
#12
REVIEW
Gai Milo, Ido Bogner, Younes Bathish, Moshe Lewin, Suheir Assady
End-stage renal disease (ESRD) is a major cause of morbidity and mortality worldwide. Survival of ESRD patients depends on renal replacement therapies, such as kidney transplantation and dialysis. Due to the shortage of potential kidney donors and patients' comorbidities, dialysis is the major therapeutic option offered to such patients. In this review, recent advances in hemodialysis and hemodiafiltration, and their potential impact on improving patient survival will be discussed.
September 2017: Harefuah
https://www.readbyqxmd.com/read/28954438/pharmacokinetics-tissue-distribution-and-elimination-of-three-active-alkaloids-in-rats-after-oral-administration-of-the-effective-fraction-of-alkaloids-from-ramulus-mori-an-innovative-hypoglycemic-agent
#13
Shuang Yang, Jiaqi Mi, Zhihao Liu, Baolian Wang, Xuejun Xia, Renyun Wang, Yuling Liu, Yan Li
In this study, we systematically investigated the plasma pharmacokinetics, tissue distribution, and elimination of three active alkaloids after oral administration of the effective fraction of alkaloids from Ramulus Mori (SZ-A)-an innovative hypoglycemic agent-in rats. Moreover, the influences of other components in SZ-A on dynamic process of alkaloids were explored for the first time. The results showed that 1-deoxynojirimycin (DNJ), fagomine (FGM) and 1,4-dideoxy-1,4-imino-d-arabinitol (DAB) exhibited nonlinear pharmacokinetics following oral administration of SZ-A (40-1000 mg/kg)...
September 26, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28936029/silicon-nanoporous-membranes-as-a-rigorous-platform-for-validation-of-biomolecular-transport-models
#14
Benjamin J Feinberg, Jeff C Hsiao, Jaehyun Park, Andrew L Zydney, William H Fissell, Shuvo Roy
Microelectromechanical systems (MEMS), a technology that resulted from significant innovation in semiconductor fabrication, have recently been applied to the development of silicon nanopore membranes (SNM). In contrast to membranes fabricated from polymeric materials, SNM exhibit slit-shaped pores, monodisperse pore size, constant surface porosity, zero pore overlap, and sub-micron thickness. This development in membrane fabrication is applied herein for the validation of the XDLVO (extended Derjaguin, Landau, Verwey, and Overbeek) theory of membrane transport within the context of hemofiltration...
August 15, 2017: Journal of Membrane Science
https://www.readbyqxmd.com/read/28933102/-resources-industrialization-channels-and-strategies-of-active-polysaccharide-from-lycii-fructus-based-on-analysis-of-domestic-and-foreign-intellectual-properties
#15
REVIEW
Fang Zhang, Sheng Guo, Da-Wei Qian, Xia Zhang, Xiao-Chun Yang, Yong-Jing Li, Jin-Ao Duan
Lycii Fructus is a traditional medicinal and edible herb, with the function of liver and kidney nourishing, blood and eyesight replenishing. As the most important active substance in the fruits of Lycium barbarum, Lycium barbarum polysaccharides (LBP) have been demonstrated to play multiple pharmacological activities, with broad prospects for development and utilization. Based on the comprehensive deep analysis of global LBP patent output, the current patent LBP features were explored from the perspective of development trend, technology field distribution, time dimension, technology life curve and patent applicant...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28926112/chronic-kidney-disease-and-vitamin-d-metabolism-in-human-bone-marrow-derived-mscs
#16
REVIEW
Shuanhu Zhou, Julie Glowacki
Vitamin D that is synthesized in the skin or is ingested undergoes sequential steps of metabolic activation via a cascade of cytochrome P450 enzymatic hydroxylations in the liver and kidney to produce 1α,25-dihydroxyvitamin D (1α,25(OH)2 D). There are many tissues that are able to synthesize 1α,25(OH)2 D, but the biological significance of extrarenal hydroxylases is unresolved. Human marrow-derived mesenchymal stem cells (marrow stromal cells, hMSCs) give rise to osteoblasts, and their differentiation is stimulated by 1α,25(OH)2 D...
August 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28923641/simultaneous-kidney-pancreas-transplantation-with-an-original-transverse-pancreas-technique-initial-9-years-experience-with-56-cases
#17
J Paulino, A Martins, E Vigia, P Marcelino, A M Nobre, L Bicho, E Filipe, E Barroso
An innovative technique for pancreas transplantation is described. The main aspect consists of the horizontal positioning of the pancreas, which allows a better venous outflow, thus preventing thrombosis and graft loss. The program of pancreas transplantation in this national reference center for pancreatic and liver surgery was started in 2007; the initial results were considered poor, resulting in the loss of half of the grafts due to venous thrombosis. After analyzing the possible causes, this technique was proposed and successfully implemented, reducing the postoperative complications, particularly the problem of venous thrombosis...
October 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28922907/organ-vouchers-and-barter-markets-saving-lives-reducing-suffering-and-trading-in-human-organs
#18
Mark J Cherry
The essays in this issue of The Journal of Medicine and Philosophy explore an innovative voucher program for encouraging kidney donation. Discussions cluster around a number of central moral and political/theoretical themes: (1) What are the direct and indirect health care costs and benefits of such a voucher system in human organs? (2) Do vouchers lead to more effective and efficient organ procurement and allocation or contribute to greater inequalities and inefficiencies in the transplantation system? (3) Do vouchers contribute to the inappropriate commodification of human body parts? (4) Is there a significant moral difference between such a voucher system and a market in human organs for transplantation? This paper argues that while kidney vouchers constitute a step in the right direction, fuller utilization of market-based incentives, including, but not limited to, barter exchanges (e...
October 1, 2017: Journal of Medicine and Philosophy
https://www.readbyqxmd.com/read/28922904/the-body-as-gift-commodity-or-something-in-between-ethical-implications-of-advanced-kidney-donation
#19
Julian J Koplin
An innovative program recently initiated at the University of California, Los Angeles (UCLA) Medical Center allows people to donate a kidney in exchange for a voucher that a loved one can redeem for a kidney if and when needed. As a relatively new practice, the ethical implications of advanced kidney donation have not yet been widely discussed. This paper reflects on some of the bioethical issues at stake in this new donation program, as well as some broader philosophical issues related to the meaning and moral salience of commodification...
October 1, 2017: Journal of Medicine and Philosophy
https://www.readbyqxmd.com/read/28922903/banking-on-living-kidney-donors-a-new-way-to-facilitate-donation-without-compromising-on-ethical-values
#20
Dominique E Martin, Gabriel M Danovitch
Public surveys conducted in many countries report widespread willingness of individuals to donate a kidney while alive to a family member or close friend, yet thousands suffer and many die each year while waiting for a kidney transplant. Advocates of financial incentive programs or "regulated markets" in kidneys present the problem of the kidney shortage as one of insufficient public motivation to donate, arguing that incentives will increase the number of donors. Others believe the solutions lie-at least in part-in facilitating so-called "altruistic donation;" harnessing the willingness of relatives and friends to donate by addressing the many barriers which serve as disincentives to living donation...
October 1, 2017: Journal of Medicine and Philosophy
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