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https://www.readbyqxmd.com/read/28937204/j-resolved-1h-nmr-1d-projections-for-large-scale-metabolic-phenotyping-studies-application-to-blood-plasma-analysis
#1
Andrea Rodriguez-Martinez, Joram M Posma, Rafael Ayala, Nikita Harvey, Beatriz Jimenez, Ana L Neves, John C Lindon, Kazuhiro Sonomura, Taka-Aki Sato, Fumihiko Matsuda, Pierre Zalloua, Dominique Gauguier, Jeremy Kirk Nicholson, Marc-Emmanuel Dumas
1H nuclear magnetic resonance (NMR) spectroscopy-based metabolic phenotyping is now widely used for large-scale epidemiological applications. In order to minimize signal overlap present in 1D 1H NMR spectra, we have investigated the use of 2D J-resolved (JRES) 1H NMR spectroscopy for large-scale phenotyping studies. In particular, we have evaluated the use of the 1D projections of the 2D JRES spectra (pJRES), which provide single peaks for each of the J-coupled multiplets, using 706 human plasma samples from the FGENTCARD cohort...
September 22, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28937068/knowledge-of-acute-kidney-injury-among-nurses-in-two-government-hospitals-in-ondo-city-southwest-nigeria
#2
Oluseyi A Adejumo, Ayodeji A Akinbodewa, Oladimeji E Alli, Olufemi B Pirisola, Olatunji S Abolarin
Adequate knowledge of acute kidney injury (AKI) among all health-care providers is essential for early diagnosis and management to reduce the associated burden. This study determined the knowledge of AKI among nurses in two government hospitals in Ondo City, Southwest Nigeria. This cross-sectional descriptive study was carried out in two government hospitals in Ondo City using a self-administered pretested questionnaire that assessed knowledge of AKI and associated factors. A total of 156 respondents participated in the study...
September 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28937056/serum-cystatin-c-as-an-earlier-predictor-of-acute-kidney-injury-than-serum-creatinine-in-preterm-neonates-with-respiratory-distress-syndrome
#3
Noha Ahmed Abdelaal, Sherein Abdelhamid Shalaby, Abdelmoneim Kassem Khashana, Amina Mohamed Abdelwahab
In this study, we aimed to evaluate serum cystatin C (sCysC) as an early predictor of acute kidney injury (AKI) in preterm neonates with respiratory distress syndrome (RDS). Sixty preterm neonates diagnosed with RDS and 40 healthy controls (28-36 weeks) admitted to the neonatal Intensive Care Unit were investigated. AKI was defined on the 3rd day of life (DOL-3) as an increase in serum creatinine (sCr) of >0.3 mg/dL from baseline (the lowest previous sCr). sCysC levels were measured on DOL-1, -3 and -7. Of the 60 neonates with RDS, 24 (40%) developed AKI...
September 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28933744/energy-and-protein-in-critically-ill-patients-with-aki-a-prospective-multicenter-observational-study-using-indirect-calorimetry-and-protein-catabolic-rate
#4
Alice Sabatino, Miriam Theilla, Moran Hellerman, Pierre Singer, Umberto Maggiore, Maria Barbagallo, Giuseppe Regolisti, Enrico Fiaccadori
The optimal nutritional support in Acute Kidney Injury (AKI) still remains an open issue. The present study was aimed at evaluating the validity of conventional predictive formulas for the calculation of both energy expenditure and protein needs in critically ill patients with AKI. A prospective, multicenter, observational study was conducted on adult patients hospitalized with AKI in three different intensive care units (ICU). Nutrient needs were estimated by different methods: the Guidelines of the European Society of Parenteral and Enteral Nutrition (ESPEN) for both calories and proteins, the Harris-Benedict equation, the Penn-State and Faisy-Fagon equations for energy...
July 26, 2017: Nutrients
https://www.readbyqxmd.com/read/28932401/practical-approach-to-detection-and-management-of-acute-kidney-injury-in-critically-ill-patient
#5
REVIEW
Vahid Mohsenin
BACKGROUND: Acute kidney injury (AKI) is a common complication in critically ill patients and is associated with high morbidity and mortality. This paper provides a critical review of the etiologies of AKI and a systematic approach toward its diagnosis and management with emphasis on fluid volume assessment and the use of urine biochemical profile and microscopy in identifying the nature and the site of kidney injury. MATERIALS AND METHODS: The search of PubMed and selection of papers had employed observational designs or randomized control trials relevant to AKI...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/28932305/the-effect-of-treatment-on-short-term-outcomes-in-elderly-patients-with-acute-kidney-injury
#6
Zvezdana Petronijevic, Gjulsen Selim, Lidija Petkovska, Ljubica Georgievska-Ismail, Goce Spasovski, Liljana Tozija
BACKGROUND: Elderly population (≥ 65) are more prone to develop acute kidney injury (AKI) compared to younger, also elderly with AKI have an increased requirement for dialysis treatment and an elevated risk of short-term and long-term mortality. AIM: The objectives of this study were to examine the effect of treatment of short-term outcomes and mortality in elderly patients with AKI. MATERIAL AND METHODS: Seventy elderly AKI patients, that filled one of the criteria of AKI definition and had hospitalization over 24 hours, were enrolled in the study...
August 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28931758/molecular-characterization-of-the-transition-from-acute-to-chronic-kidney-injury-following-ischemia-reperfusion
#7
Jing Liu, Sanjeev Kumar, Egor Dolzhenko, Gregory F Alvarado, Jinjin Guo, Can Lu, Yibu Chen, Meng Li, Mark C Dessing, Riana K Parvez, Pietro E Cippà, A Michaela Krautzberger, Gohar Saribekyan, Andrew D Smith, Andrew P McMahon
Though an acute kidney injury (AKI) episode is associated with an increased risk of chronic kidney disease (CKD), the mechanisms determining the transition from acute to irreversible chronic injury are not well understood. To extend our understanding of renal repair, and its limits, we performed a detailed molecular characterization of a murine ischemia/reperfusion injury (IRI) model for 12 months after injury. Together, the data comprising RNA-sequencing (RNA-seq) analysis at multiple time points, histological studies, and molecular and cellular characterization of targeted gene activity provide a comprehensive profile of injury, repair, and long-term maladaptive responses following IRI...
September 21, 2017: JCI Insight
https://www.readbyqxmd.com/read/28931521/pgc1%C3%AE-in-the-kidney
#8
Matthew R Lynch, Mei T Tran, Samir M Parikh
Acute kidney injury (AKI) arising from diverse etiologies is characterized by mitochondrial dysfunction. The peroxisome proliferator-activated receptor γ coactivator-1alpha (PGC1α), a master regulator of mitochondrial biogenesis, has been shown to be protective in AKI. Interestingly, reduction of PGC1α has also been implicated in the development of diabetic kidney disease and renal fibrosis. The beneficial renal effects of PGC1α make it a prime target for therapeutics aimed at ameliorating AKI, forms of chronic kidney disease (CKD), and their intersection...
September 20, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28930026/macrolide-resistant-mycoplasma-pneumoniae-infection-japan-2008-2015
#9
Takaaki Tanaka, Tomohiro Oishi, Ippei Miyata, Shoko Wakabayashi, Mina Kono, Sahoko Ono, Atsushi Kato, Yoko Fukuda, Aki Saito, Eisuke Kondo, Hideto Teranishi, Yuhei Tanaka, Tokio Wakabayashi, Hiroto Akaike, Satoko Ogita, Naoki Ohno, Takashi Nakano, Kihei Terada, Kazunobu Ouchi
We evaluated isolates obtained from children with Mycoplasma pneumoniae infection throughout Japan during 2008-2015. The highest prevalence of macrolide-resistant M. pneumoniae was 81.6% in 2012, followed by 59.3% in 2014 and 43.6% in 2015. The prevalence of macrolide-resistant M. pneumoniae among children in Japan has decreased.
October 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28929640/rho-kinase-inhibitor-fasudil-attenuates-contrast-induced-acute-kidney-injury
#10
Yiming Wang, Hao Zhang, Zhijian Yang, Dengshun Miao, Dingguo Zhang
In this study, we tested the hypothesis that fasudil, a Rho kinase inhibitor, would protect against contrast-induced acute kidney injury (CI-AKI) in a mouse model and attempted to elucidate the mechanism involved. Mice subjected to unilateral ligation of the left anterior renal pedicle were divided into four groups: (1) control group, (2) CI-AKI induced by contrast media (CM group), (3) CI-AKI plus low-dose fasudil (LD group) and (4) CI-AKI plus high-dose fasudil (HD group). Animals from groups 2-4 received iodixanol (4...
September 19, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28929169/validation-of-pruritus-measures-gathered-with-the-electronic-patient-reported-outcome-system-mopat
#11
Michael Storck, Claudia Zeidler, Mirjam Rehr, Claudia Riepe, Martin Dugas, Sonja Stà Nder, Iã Aki Soto-Rey
In order to improve diagnosis and treatment, physicians require information about the social context and quality of life of their patients. The Center for Chronic Pruritus at the University Hospital Münster achieves this goal using the electronic patient-reported outcome system “Mobile Patient Survey”, which assesses pruritus and quality of life measures. The aim of this study is to evaluate the consistency and reliability of such measures. A total of 42 patients, age range 19â€"82 years, participated in the study and were asked to assess the measures at baseline via a paper questionnaire, and to use the “Mobile Patient Survey” at baseline and after 1 h in order to test reliability...
September 20, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28928542/developmental-contribution-of-wnt-signal-responsive-cells-to-mouse-reproductive-tract-formation
#12
Ryuma Haraguchi, Riko Kitazawa, Aki Murashima, Gen Yamada, Sohei Kitazawa
In mammals, the müllerian duct (MD) is an embryonic tubular structure that gives rise to the female reproductive tract (FRT). The MD originates from the coelomic epithelium (CoE) and takes on a rostral to caudal shape to establish the primary structure of the FRT under the regulation of morphogenetic signals. During these developmental processes, the MD and its derivatives require proper regulation of the Wnt-signaling-pathway. Here, to investigate the developmental contribution of FRT primordia under the influence of the Wnt-signaling, genetic lineage tracing was carried out using TopCreER/Rosa-LacZ mice to follow the fate of Wnt-signal-responsive cells during reproductive tract formation...
August 25, 2017: Acta Histochemica et Cytochemica
https://www.readbyqxmd.com/read/28928081/microrna-140-5p-attenuated-oxidative-stress-in-cisplatin-induced-acute-kidney-injury-by-activating-nrf2-are-pathway-through-a-keap1-independent-mechanism
#13
Weitang Liao, Zongjie Fu, Yanfang Zou, Dan Wen, Hongkun Ma, Fangfang Zhou, Yongxi Chen, Mingjun Zhang, Wen Zhang
Oxidative stress was predominantly involved in the pathogenesis of acute kidney injury (AKI). Recent studies had reported the protective role of specific microRNAs (miRNAs) against oxidative stress. Hence, we investigated the levels of miR140-5p and its functional role in the pathogenesis of Cisplatin induced AKI. A mice Cisplatin induced-AKI model was established. We found that miR-140-5p expression was markedly increased in mice kidney. Bioinformatics analysis revealed nuclear factor erythroid 2-related factor (Nrf2) was a potential target of miR-140-5p, We demonstrated that miR-140-5p did not affect Kelch-like ECH-associated protein 1 (Keap1) levels but directly targeted the 3'-UTR of Nrf2 mRNA and played a positive role in the regulation of Nrf2 expression which was comfirmed by luciferase activity assay and western blot...
September 16, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28927644/acute-kidney-injury-is-a-risk-factor-for-subsequent-proteinuria
#14
Sharidan K Parr, Michael E Matheny, Khaled Abdel-Kader, Robert A Greevy, Aihua Bian, James Fly, Guanhua Chen, Theodore Speroff, Adriana M Hung, T Alp Ikizler, Edward D Siew
Acute kidney injury (AKI) is associated with subsequent chronic kidney disease (CKD), but the mechanism is unclear. To clarify this, we examined the association of AKI and new-onset or worsening proteinuria during the 12 months following hospitalization in a national retrospective cohort of United States Veterans hospitalized between 2004-2012. Patients with and without AKI were matched using baseline demographics, comorbidities, proteinuria, estimated glomerular filtration rate, blood pressure, angiotensin-converting enzyme inhibitor or angiotensin II receptor blocker (ACEI/ARB) use, and inpatient exposures linked to AKI...
September 16, 2017: Kidney International
https://www.readbyqxmd.com/read/28927303/case-fatality-of-acute-coronary-events-is-improving-even-among-elderly-patients-the-finami-study-1995-2012
#15
Heli Koukkunen, Aki S Havulinna, Seppo Lehto, Matti Ketonen, Juha Mustonen, Juhani Airaksinen, Olavi Ukkola, Y Antero Kesäniemi, Veikko Salomaa
AIM: To examine trends in incidence and 28-day case fatality of myocardial infarction (MI) in persons aged 75-99 years in four areas of Finland. METHODS AND RESULTS: FINAMI is a population-based MI register study, which during 1995-2012 recorded 30561 suspected acute coronary syndromes in persons aged ≥75 years. Of them, 16229 fulfilled the American Heart Association criteria for a definite, probable or possible MI or coronary death. This age-group contributed 56...
September 20, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28926916/improved-methanization-and-microbial-diversity-during-batch-mode-cultivation-with-repetition-of-substrate-addition-using-defined-organic-matter-and-marine-sediment-inoculum-at-seawater-salinity
#16
Toyokazu Miura, Akihisa Kita, Yoshiko Okamura, Tsunehiro Aki, Yukihiko Matsumura, Takahisa Tajima, Junichi Kato, Yutaka Nakashimada
The activation of microbes, which are needed to initiate continuous methane production, can be accomplished by fed-batch methanization. In the present study, marine sediment inoculum was activated by batch mode methanization with repetition of substrate addition using defined organic matter from sugar, protein, or fat at seawater salinity to investigate the potential for application of the activation method to various types of saline waste and microbial community compositions. All substrates had methane potentials close to the theoretical value except for bovine serum albumin (BSA) whose methane potential was lower, but the maximum methane potential reached the value during repeated methanization...
September 5, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28926730/impact-of-evolocumab-treatment-on-low-density-lipoprotein-cholesterol-levels-in-heterozygous-familial-hypercholesterolemic-patients-withdrawing-from-regular-apheresis
#17
Masa-Aki Kawashiri, Atsushi Nohara, Toshinori Higashikata, Hayato Tada, Chiaki Nakanishi, Hirofumi Okada, Tetsuo Konno, Kenji Sakata, Kenshi Hayashi, Akihiro Inazu, Hiroshi Mabuchi, Masakazu Yamagishi
BACKGROUND AND AIMS: Low-density lipoprotein (LDL) apheresis has been used to treat refractory hyperlipidemia such as familial hypercholesterolemia (FH). Evolocumab, a proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitor used in clinical settings, can reduce LDL cholesterol (LDL-C) levels by >70%. Therefore, this study aimed to assess the impact of evolocumab on withdrawal from regular LDL apheresis in patients with heterozygous FH (HeFH). METHODS: Eleven patients with HeFH undergoing biweekly LDL apheresis were enrolled and were subsequently switched to a biweekly subcutaneous injection of 140 mg of evolocumab...
September 9, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28926235/can-electron-rich-oxygen-o-sup-2-sup-withdraw-electrons-from-metal-centers-a-dft-study-on-oxoanion-caged-polyoxometalates
#18
Aki Takazaki, Kazuo Eda, Toshiyuki Osakai, Takahito Nakajima
The answer to the question "<i>Can electron-rich oxygen (O<sup>2-</sup>) withdraw electrons from metal centers?</i>" is seemingly simple, but "how the electron population on the <i>M atom behaves when the O-<i>M</i> distance changes" is a matter of controversy. A case study has been conducted for Keggin-type polyoxometalate (POM) complexes, and the first-principles electronic structure calculations were carried out not only for real POM species but also for "hypothetical" ones whose hetero atom was replaced with a point charge...
September 19, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28923914/new-ultrasound-techniques-promise-further-advances-in-aki-and-ckd
#19
REVIEW
Travis D Hull, Anupam Agarwal, Kenneth Hoyt
AKI and CKD are important clinical problems because they affect many patients and the associated diagnostic and treatment paradigms are imperfect. Ultrasound is a cost-effective, noninvasive, and simple imaging modality that offers a multitude of means to improve the diagnosis, monitoring, and treatment of both AKI and CKD, especially considering recent advances in this technique. Ultrasound alone can attenuate AKI and prevent CKD by stimulating the splenic cholinergic anti-inflammatory pathway. Additionally, microbubble contrast agents are improving the sensitivity and specificity of ultrasound for diagnosing kidney disease, especially when these agents are conjugated to ligand-specific mAbs or peptides, which make the dynamic assessment of disease progression and response to treatment possible...
September 18, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28919596/outcome-of-pregnancy-related-acute-kidney-injury-observed-in-a-tertiary-care-hospital
#20
S U Ahammed, A A Chowdhury, A S Roy, M A Muqueet, M A Rahman, M S Kabir, M G Rabbani, M Asadujjaman, M B Hossain, M Akhtaruzzaman, S K Das, E H Khan, M A Islam, M J Hasan, M A Rahman, R K Talukder, J Ara, G C Barman, P P Roy, M K Saha, D Mondal
This prospective case control study was carried out in Mymensingh Medical College Hospital (MMCH) from April 2011 to March 2012. The main objective of the study was to determine the short term maternal outcome of pregnancy related Acute Kidney Injury and to identify aetiological factors and to observe clinical features of pregnancy related Acute Kidney Injury. Total 60 pregnant women with AKI were included in the study as sample and equal (60) number of pregnant women with normal renal function was taken as control...
July 2017: Mymensingh Medical Journal: MMJ
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