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https://www.readbyqxmd.com/read/28223232/the-versatility-and-paradox-of-gdf-11
#1
REVIEW
A Jamaiyar, W Wan, D M Janota, M K Enrick, W M Chilian, L Yin
In addition to its roles in embryonic development, Growth and Differentiation Factor 11 (GDF 11) has recently drawn much interest about its roles in other processes, such as aging. GDF 11 has been shown to play pivotal roles in the rescue of the proliferative and regenerative capabilities of skeletal muscle, neural stem cells and cardiomyocytes. We would be remiss not to point that some controversy exists regarding the role of GDF 11 in biological processes and whether it will serve as a therapeutic agent. The latest studies have shown that the level of circulating GDF 11 correlates with the outcomes of patients with cardiovascular diseases, cancer and uremia...
February 13, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28218361/arteriovenous-fistula-maturation-in-patients-with-permanent-access-created-prior-to-or-after-hemodialysis-initiation
#2
Juan C Duque, Laisel Martinez, Marwan Tabbara, Denise Dvorquez, Sushil K Mehandru, Arif Asif, Roberto I Vazquez-Padron, Loay H Salman
INTRODUCTION: Multiple factors and comorbidities have been implicated in the ability of arteriovenous fistulas (AVF) to mature, including vessel anatomy, advanced age, and the presence of coronary artery disease or peripheral vascular disease. However, little is known about the role of uremia on AVF primary failure. In this study, we attempt to evaluate the effect of uremia on AVF maturation by comparing AVF outcomes between pre-dialysis chronic kidney disease (CKD) stage five patients and those who had their AVF created after hemodialysis (HD) initiation...
February 15, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28215932/a-new-method-for-traumatic-renal-injury-in-a-canine-model
#3
Zhi-Qiang Cao, Ming Liang, Shawn Xiang Li, Xin Li, Yaling Han
BACKGROUND: Selective transcatheter angiographic embolization (TAE) is an important method for efficient and accurate hemostasis in organ injuries during emergency settings. Sometimes, TAE cannot be performed on patients because of the limitations imposed by their condition. METHODS: A total of 32 canines with traumatic right renal wounds were prepared by stab injuries. The canines were randomly divided into four groups according to different treatments. Group A was the renal neoplasty group (n=8)...
February 16, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28182865/restoration-of-immune-and-renal-function-in-aged-females-by-re-establishment-of-active-ovarian-function
#4
Rhett L Peterson, Kate C Parkinson, Jeffrey B Mason
Proper immune functioning is necessary to maximize reproductive success. In addition, age-associated uremia in women is often associated with hypothalamic--pituitary-gonadal dysfunction. In the present experiments, we tested immune and renal function to determine if exposure of postreproductive mice to young, reproductively cycling ovaries would influence non-reproductive physiological functions. Control female CBA/J mice were evaluated at 6, 13 and 16 months of age. Additional mice received new (60-day-old) ovaries at 12 months of age and were evaluated at 16 months of age...
February 10, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28177098/-erythrocyte-abnormalities-and-their-possible-role-in-cardiovascular-complications-of-uremia
#5
Mario Bonomini, Arduino Arduini, Vittorio Sirolli, Natalia Di Pietro, Assunta Pandolfi
Cardiovascular (CV) disease is the leading cause of morbidity and mortality in patients with chronic kidney disease (CKD). Increased incidence of CV events in CKD is related to the presence, besides traditional CV risk factors, of non-traditional CV risk factors associated to renal insufficiency, like anemia. The role of red blood cells (RBC) in uremia has been taken into account almost exclusively in relation to their reduced number. However, RBC in the uremic milieu can acquire several abnormalities which may jeopardize their properties...
January 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28177093/-pharmacological-and-nutritional-problems-in-pregnant-patient-on-chronic-dialysis
#6
Michele Giannattasio, Federica Giannattasio, Giuseppe Gernone
Many of information on the safety of drugs during pregnancy were obtained many years ago, before the pregnant women were excluded from the study protocols for possible fetal risks. Because randomized trials in pregnancy are complex and considered unethical. For the same reasons, there are no randomized controlled trials in pregnant women on dialysis. Moreover Compared to the normal subject, the pharmacokinetics and pharmacodynamics in these patients are influenced or by pregnancy or from dialysis techniques or from chronic uremia...
January 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28176353/lysophosphatidic-acid-induced-itch-is-mediated-by-signaling-of-lpa5-receptor-phospholipase-d-and-trpa1-trpv1
#7
Hiroki Kittaka, Kunitoshi Uchida, Naomi Fukuta, Makoto Tominaga
Intractable and continuous itch sensations often accompany diseases such as atopic dermatitis, neurogenic lesions, uremia and cholestasis. Lysophosphatidic acid (LPA) is an itch mediator found in cholestatic itch patients and it induces acute itch and pain in the experimental rodent models. However, the molecular mechanism by which LPA activates peripheral sensory neurons remains unknown. In this study, we used a cheek injection method in mice to reveal that LPA induced itch-related behaviors but not pain-related behaviors...
February 8, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28168568/purtscher-like-retinopathy-associated-with-squamous-cell-carcinoma-of-the-cervix
#8
Darren Shu Jeng Ting, Jonathan Smith, Stephen James Talks
PURPOSE: To describe a previously unreported case of Purtscher-like retinopathy secondary to severe acute renal failure associated with squamous cell carcinoma of the cervix. METHODS: This is a case report. RESULTS: A 31-year-old female presented with a week history of acute abdominal pain, vomiting and severe renal failure followed by a sudden onset of bilateral visual loss. Vision was hand movement in either eye with central scotoma. Ophthalmic examination demonstrated bilateral retinal thickening and whitening with intraretinal hemorrhages localized to the peripapillary area, consistent with the diagnosis of Purtscher-like retinopathy...
February 6, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28134655/a-central-role-for-r7bp-in-the-regulation-of-itch-sensation
#9
Mritunjay Pandey, Jian-Hua Zhang, Santosh K Mishra, Poorni R Adikaram, Benjamin Harris, John F Kahler, Anna Loshakov, Roxanne Sholevar, Allison Genis, Claire Kittock, Juraj Kabat, Sundar Ganesan, Richard R Neubig, Mark A Hoon, William F Simonds
Itch is a protective sensation producing a desire to scratch. Pathologic itch can be a chronic symptom of illnesses such as uremia, cholestatic liver disease, neuropathies and dermatitis, however current therapeutic options are limited. Many types of cell surface receptors, including those present on cells in the skin, on sensory neurons and on neurons in the spinal cord, have been implicated in itch signaling. The role of G protein signaling in the regulation of pruriception is poorly understood. We identify here two G protein signaling components whose mutation impairs itch sensation...
January 27, 2017: Pain
https://www.readbyqxmd.com/read/28133545/plasma-and-aorta-biochemistry-and-mmps-activities-in-female-rabbit-fed-methionine-enriched-diet-and-their-offspring
#10
Khira Othmani Mecif, Souhila Aouichat Bouguerra, Yasmina Benazzoug
This study investigated whether a high Met diet influences biochemical parameters, MMPs activities in plasma, and biochemical and histological remodeling in aorta, in both pregnant female rabbits and their offspring. Four female rabbit groups are constituted (each n = 8), nonpregnant control (NPC), pregnant control (PC) that received normal commercial chow, nonpregnant Met (NPMet), and pregnant Met (PMet) that received the same diet supplemented with 0,35% L-methionine (w/w) for 3 months (500 mg/d). All pregnant females realize 3 successive pregnancies...
2017: Journal of Nutrition and Metabolism
https://www.readbyqxmd.com/read/28107707/uremia-modulates-the-phenotype-of-aortic-smooth-muscle-cells
#11
Marie Madsen, Annemarie Aarup, Sebastian Albinsson, Karsten Hartvigsen, Charlotte M Sørensen, Karolina Turczynska, Lars B Nielsen, Tanja Xenia Pedersen
BACKGROUND AND AIMS: Chronic kidney disease leads to uremia and markedly accelerates atherosclerosis. Phenotypic modulation of smooth muscle cells (SMCs) in the arterial media plays a key role in accelerating atherogenesis. The aim of this study was to investigate whether uremia per se modulates the phenotype of aortic SMCs in vivo. METHODS: Moderate uremia was induced by 5/6 nephrectomy in apolipoprotein E knockout (ApoE(-/-)) and wildtype C57Bl/6 mice. Plasma analysis, gene expression, histology, and myography were used to determine uremia-mediated changes in the arterial wall...
December 23, 2016: Atherosclerosis
https://www.readbyqxmd.com/read/28107451/effect-of-nocturnal-hemodialysis-versus-conventional-hemodialysis-on-end-stage-renal-disease-a-meta-analysis-and-systematic-review
#12
Fangjie Liu, Yiting Sun, Tianhua Xu, Li Sun, Linlin Liu, Wei Sun, Xin Feng, Jianfei Ma, Lining Wang, Li Yao
OBJECTIVES: The purpose of this study is to assess the efficacy and safety of nocturnal hemodialysis on end-stage renal disease (ESRD) patients. METHODS: We searched Medline, EmBase, and the Cochrance Central Register of Controlled Trials for studies up to January 2016. Analysis was done to compare variant outcomes of different hemodialysis schedules, including mortality, cardiovascular-associated variables, uremia-associated variables, quality of life (QOL), side-effects, and drug usage...
2017: PloS One
https://www.readbyqxmd.com/read/28104104/role-of-gastrointestinal-microbiota-on-kidney-injury-and-the-obese-condition
#13
REVIEW
Keerati Wanchai, Anchalee Pongchaidecha, Varanuj Chatsudthipong, Siriporn C Chattipakorn, Nipon Chattipakorn, Anusorn Lungkaphin
Obesity is associated with kidney disease, probably due to obesity-mediated inflammation, podocyte injury and oxidative stress in the kidney It is also linked to other diseases, for example, diabetes and hypertension, which are associated with the development and progression of chronic kidney disease. Interestingly, gastrointestinal dysbiosis has been demonstrated in cases of obesity with the development and progression of kidney disease. Thus, modification of gastrointestinal microbiota using probiotics or prebiotics or both to improve the balance of bacterial flora is a potential approach for the management of obesity-associated kidney disease...
January 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28098884/renin-angiotensin-system-activation-accelerates-atherosclerosis-in-experimental-renal-failure-by-promoting-endoplasmic-reticulum-stress-related-inflammation
#14
Jia Yang, Xi Zhang, Xinyi Yu, Weixue Tang, Hua Gan
In this study, we investigated the association between the renin-angiotensin system (RAS), endoplasmic reticulum (ER) stress and atherosclerosis (AS) in uremic apolipoprotein E knockout (apoE-/-) mice. Mild uremia was induced by a 5/6 nephrectomy (5/6 Nx) in 10-week-old apoE-/- mice. Four weeks after nephrectomy, the mice received losartan or no treatment for 16 weeks. Sham-operated mice served as the controls. We found that uremia accelerated AS at the aortic root. The activation of ER stress and the significant upregulation of pro-inflammatory cytokines and chemokines were observed in the uremic mice...
March 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28090764/incremental-and-infrequent-hemodialysis-a-new-paradigm-for-both-dialysis-initiation-and-conservative-management
#15
Connie M Rhee, Mehrdad Ghahremani-Ghajar, Yoshitsugu Obi, Kamyar Kalantar-Zadeh
Registry or national dialysis data show that a sizeable proportion of contemporary dialysis patients have substantial levels of residual kidney function especially upon transitioning to dialysis therapy. However, among incident hemodialysis patients, the prevailing paradigm has been to initiate "full-dose" thrice-weekly treatment schedules irrespective of native kidney function in most developed countries. Recognizing the benefits of residual kidney function upon the health and survival of dialysis patients, there has been growing interest in incremental hemodialysis, in which dialysis frequency and dose are tailored according to the degree of patients' residual kidney function...
January 13, 2017: Panminerva Medica
https://www.readbyqxmd.com/read/28075397/the-sulfur-metabolite-lanthionine-evidence-for-a-role-as-a-novel-uremic-toxin
#16
REVIEW
Alessandra F Perna, Miriam Zacchia, Francesco Trepiccione, Diego Ingrosso
Lanthionine is a nonproteinogenic amino acid, composed of two alanine residues that are crosslinked on their β-carbon atoms by a thioether linkage. It is biosynthesized from the condensation of two cysteine molecules, while the related compound homolanthionine is formed from the condensation of two homocysteine molecules. The reactions can be carried out by either cystathionine-β-synthase (CBS) or cystathionine-γ-lyase (CSE) independently, in the alternate reactions of the transsulfuration pathway devoted to hydrogen sulfide biosynthesis...
January 10, 2017: Toxins
https://www.readbyqxmd.com/read/28074976/utility-of-urinary-markers-in-the-assessment-of-renal-dysfunction-in-canine-babesiosis
#17
Dagmara Winiarczyk, Łukasz Adaszek, Michał Bartnicki, Beata Abramowicz, Paweł Łyp, Jacek Madany, Stanisław Winiarczyk
OBJECTIVE: Canine babesiosis is a common and clinically significant tick-borne disease caused by haemoprotozoan parasites of the genus Babesia. Acute renal failure is considered to be one of the most prevalent complications of canine babesiosis. This complication leads to a decrease in the glomerular filtration rate and in consequence causes azotemia and uremia. The objective of this study was to assess the localization and extent of renal damage in dogs infected with Babesia canis using an urinary marker for glomerular (urinary immunoglobulin G, uIgG), proximal tubular dysfunction (urinary retinol binding protein, uRBP) and distal tubular dysfunction (urinary Tamm-Horsfal protein, uTHP)...
January 11, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/28050009/co-expression-analysis-of-blood-cell-genome-expression-to-preliminary-investigation-of-regulatory-mechanisms-in-uremia
#18
Liu Cheng, Wu Yonggui
BACKGROUND Uremia involves a series of clinical manifestations and is a common syndrome that occurs in nearly all end-stage kidney diseases. However, the exact genetic and/or molecular mechanisms that underlie uremia remain poorly understood. MATERIAL AND METHODS In this case-control study, we analyzed whole-genome microarray of 75 uremia patients and 20 healthy controls to investigate changes in gene expression and cellular mechanisms relevant to uremia. Gene co-expression network analysis was performed to construct co-expression networks using differentially expressed genes (DEGs) in uremia...
January 4, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28011855/lion-face-in-a-uremia-patient
#19
C-C Tsai, C-C Lai
No abstract text is available yet for this article.
December 22, 2016: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/27994289/the-relationship-between-hemodialysis-and-the-echocardiographic-findings-in-patients-with-chronic-kidney-disease
#20
Hamidreza Omrani, Sanam Golshani, Vahid Sharifi, Afshin Almasi, Masoud Sadeghi
BACKGROUND: The incidence of cardiac morbidity and mortality is high in patients treated with hemodialysis (HD). The aim of this study was to evaluate the relationship between HD and the echocardiographic findings in patients with chronic kidney disease (CKD). METHODS: Between 2012 and 2014, 150 patients with CKD. The echocardiographic data were done based on American Society of Cardiology (ASE). Measurement method for Ejection Fraction was E balling and for Diastolic Function was Tissue Doppler...
October 2016: Medical Archives
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