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https://www.readbyqxmd.com/read/28431568/a-case-report-of-severe-calciphylaxis-suggested-approach-for-diagnosis-and-treatment
#1
Margret Patecki, Gabriele Lehmann, Jan Hinrich Bräsen, Jessica Schmitz, Anna Bertram, Lars Daniel Berthold, Hermann Haller, Wilfried Gwinner
BACKGROUND: Calciphylaxis is a serious complication in patients with chronic kidney disease associated mineral and bone disorder. It can occur in conditions with low and high bone turnover. So far, there are no definite diagnostic and therapeutic guidelines which may prevent the devastating outcome in many calciphylaxis patients. We report a case which clearly illustrates that knowledge of the underlying bone disorder is essential for a directed treatment. Based on this experience we discuss a systematic diagnostic and therapeutic approach in patients with calciphylaxis...
April 21, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28431322/xanthohumol-and-8-prenylnaringenin-ameliorate-diabetic-related-metabolic-dysfunctions-in-mice
#2
Raquel Costa, Ilda Rodrigues, Luísa Guardão, Sílvia Rocha-Rodrigues, Carolina Silva, José Magalhães, Manuel Ferreira-de-Almeida, Rita Negrão, Raquel Soares
Type 2 diabetes mellitus (T2DM) is a chronic disease characterized by metabolic disturbances in specific tissues. The present work aimed to analyze the effects of xanthohumol (XN) and 8-prenylnaringenin (8PN), two beer-derived polyphenols, in liver and skeletal muscle lipid and glycolytic metabolism in T2DM mice model. Thirty C57Bl/6 mice were randomly divided into five groups: standard diet (control), high-fat diet (DM), high-fat diet plus ethanol (DM-Ethanol), high-fat diet plus 10 mg/L XN (DM-XN) and high-fat diet plus 10 mg/L 8PN (DM-8PN) during 20 weeks...
April 6, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28430139/the-metalloproteinase-adam28-promotes-metabolic-dysfunction-in-mice
#3
Lakshini Herat, Caroline Rudnicka, Yasunori Okada, Satsuki Mochizuki, Markus Schlaich, Vance Matthews
Obesity and diabetes are major causes of morbidity and mortality globally. The current study builds upon our previous association studies highlighting that A Disintegrin And Metalloproteinase 28 (ADAM28) appears to be implicated in the pathogenesis of obesity and type 2 diabetes in humans. Our novel study characterised the expression of ADAM28 in mice with the metabolic syndrome and used molecular inhibition approaches to investigate the functional role of ADAM28 in the pathogenesis of high fat diet-induced obesity...
April 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28429547/the-use-of-bone-turnover-markers-in-chronic-kidney-disease-mineral-and-bone-disorders
#4
Cherie Chiang
Bone turnover markers assist in fracture risk prediction, management and monitoring of osteoporosis in patients without chronic kidney disease (CKD). The use in CKD-mineral bone disorder (MBD) has been limited as many of these markers and breakdown products are renally excreted, including the most commonly used and well standardized procollagen type I N propeptide and C-terminal cross-linking telopeptide of type I collagen. Of the markers unaffected by renal function, bone specific alkaline phosphatase is associated with mortality and fracture rate in CKD subjects and is now available on several automated analysers...
March 2017: Nephrology
https://www.readbyqxmd.com/read/28429404/air-pollution-weight-loss-and-metabolic-benefits-of-bariatric-surgery-a-potential-model-for-study-of-metabolic-effects-of-environmental-exposures
#5
R Ghosh, W J Gauderman, H Minor, H A Youn, F Lurmann, K R Cromar, L Chatzi, B Belcher, C R Fielding, R McConnell
BACKGROUND: Emerging experimental evidence suggests that air pollution may contribute to development of obesity and diabetes, but studies of children are limited. OBJECTIVES: We hypothesized that pollution effects would be magnified after bariatric surgery for treatment of obesity, reducing benefits of surgery. METHODS: In 75 obese adolescents, excess weight loss (EWL), high-density lipoprotein (HDL) cholesterol, triglycerides, alkaline phosphatase (ALP) and hemoglobin A1c (HbA1c ) were measured prospectively at baseline and following laparoscopic adjustable gastric banding (LAGB)...
April 21, 2017: Pediatric Obesity
https://www.readbyqxmd.com/read/28429125/low-plasma-homoarginine-concentration-is-associated-with-high-rates-of-all-cause-mortality-in-renal-transplant-recipients
#6
Arslan Arinc Kayacelebi, Isidor Minović, Erik Hanff, Anne-Roos S Frenay, Martin H de Borst, Martin Feelisch, Harry van Goor, Stephan J L Bakker, Dimitrios Tsikas
In renal transplant recipients (RTR), we recently found that low urinary excretion of homoarginine (hArg) is associated with mortality and graft failure. However, it is not known whether such prospective associations also hold true for plasma concentrations of hArg. In the present study, we therefore determined plasma concentrations of hArg in the same cohort, i.e. in 687 RTR (functioning graft ≥1 year), and in 140 healthy donors, before and after kidney donation. Plasma hArg concentrations were significantly lower in RTR compared to healthy controls [1...
April 20, 2017: Amino Acids
https://www.readbyqxmd.com/read/28423307/aspects-of-phosphorus-physiology-associated-with-phosphate-induced-polar-lipid-remodelling-in-marine-microalgae
#7
José Pedro Cañavate, Isabel Armada, Ismael Hachero-Cruzado
Marine microalgae exhibit a diversified phosphorus physiology and have also been recently found to show high inter-taxa variability in their phosphate induced-polar lipids' remodelling. Identification of phosphorus physiology aspects that are more related to lipid remodelling can contribute to better understanding of such intricate phytoplankton lipid metabolism. Therefore, some aspects of phosphorus physiology related to its uptake, storage and use were evaluated in a taxonomically diversified group of nine marine microalgae that was arranged into three subgroups, each of them including species showing similar polar lipid responses to phosphate...
March 31, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28423120/primary-cultures-of-mouse-small-intestinal-epithelial-cells-using-the-dissociating-enzyme-type-i-collagenase-and-hyaluronidase
#8
H J Ren, C L Zhang, R D Liu, N Li, X G Li, H K Xue, Y Guo, Z Q Wang, J Cui, L Ming
The epithelium is a highly dynamic system, which plays a crucial role in the homeostasis of the intestinal tract. However, studies on the physiological and pathophysiological functions of intestinal epithelial cells (IECs) have been hampered due to lack of normal epithelial cell models. In the present study, we established a reproducible method for primary culture of mouse IECs, which were isolated from the viable small intestinal crypts of murine fetuses (on embryonic day 19), using type I collagenase and hyaluronidase in a short span of time (≤20 min)...
April 13, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28421743/double-enzymes-mediated-bioluminescent-sensor-for-quantitative-and-ultra-sensitive-point-of-care-testing
#9
Yiping Chen, Yunlei Xianyu, Jing Wu, Mingling Dong, Wenshu Zheng, Jiashu Sun, Xingyu Jiang
We report an ultra-sensitive, quantitative, and rapid bioluminescent immunosensor (ABS) for point-of-care testing (POCT) of the disease biomarker in clinical samples using double enzymes including alkaline phosphatase (ALP) and luciferase. In the presence of the biomarker, the ALP attached on the surface of immnuo-nanocomplex dephosphorylates adenine triphosphate (ATP), subsequently inhibiting the ATP-luciferin-luciferase bioluminescent reaction. The highly sensitive response of ATP (pM level) allows for ultrasensitive detection of biomarker via the effective change of the bioluminescence intensity through ALP- and luciferase-catalyzed reactions, which can be quantitatively determined by a portable ATP detector...
April 19, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28421414/polyclonal-antibodies-in-microplates-to-predict-the-maximum-adsorption-activities-of-enzyme-mutants-from-cell-lysates
#10
Yiran Feng, Xiaolan Yang, Deqiang Wang, Xiaolei Hu, Huimin Chong, Juan Liao, Chang-Guo Zhan, Fei Liao
With microplate-immobilized polyclonal antibodies against a starting enzyme or its active mutant bearing consistent accessible epitopes, the maximum activity of an adsorbed enzyme/mutant (Vs) was predicted for comparison to recognize weakly-positive mutants. Rabbit antisera against Escherichia coli alkaline phosphatase (ECAP) were fractionated with 33% ammonium sulfate to yield crude polyclonal antibodies for conventional immobilization in 96-well microplates. The response curve of the activities of ECAP/mutant adsorbed by the immobilized polyclonal antibodies to protein quantities from a cell lysate was fit to an approximation model to predict Vs...
April 19, 2017: Protein Journal
https://www.readbyqxmd.com/read/28419157/the-analysis-of-viability-for-mammalian-cells-treated-at-different-temperatures-and-its-application-in-cell-shipment
#11
Juan Wang, Yun Wei, Shasha Zhao, Ying Zhou, Wei He, Yang Zhang, Wensheng Deng
Mammalian cells are very important experimental materials and widely used in biological and medical research fields. It is often required that mammalian cells are transported from one laboratory to another to meet with various researches. Conventional methods for cell shipment are laborious and costive despite of maintaining high viability. In this study we aimed to develop a simple and low-cost method for cell shipment by investigating the viabilities of different cell lines treated at different temperatures...
2017: PloS One
https://www.readbyqxmd.com/read/28416848/-effect-of-low-level-laser-irradiation-on-proliferation-and-osteogenic-differentiation-of-human-adipose-derived-stromal-cells
#12
H X Sui, P J Lv, Y G Wang, Y Wang, Y C Sun
OBJECTIVE: To examine the in vitro effects of low-level laser irradiation (LLLI) on proliferation and differentiation of human adipose-derived stromal cells (hASCs). METHODS: Cultured cells were exposed to different doses of LLLI with a semiconductor diode laser (980 nm; 100 mW-12 W power output). The effects of laser on proliferation were assessed daily up to seven days of culture in cells irradiated for four consecutive days with laser doses of 2, 4, 6 or 8 J/cm(2), the cells without irradiation were used as controls...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28416302/effect-of-bacterial-biofilm-on-the-osteogenic-differentiation-of-stem-cells-of-apical-papilla
#13
Lakshmi Vishwanat, Rose Duong, Koyo Takimoto, Linda Phillips, Claudia O Espitia, Anibal Diogenes, Shivani B Ruparel, David Kolodrubetz, Nikita B Ruparel
INTRODUCTION: Although clinical success in regenerative endodontics is substantially high, histological success is limited to finding bone/cementum-like tissue instead of dentin within the canal space. The aims of this study were to investigate (1) the effect of bacterial biofilm on osteogenic gene expression in stem cells of the apical papilla (SCAP) and (2) the effect of bacterial antigens on the functional differentiation of SCAP into a mineralizing phenotype. METHODS: Using an ex vivo organotypic root canal model and an American Association of Endontists-recommended regenerative endodontic procedures, we evaluated SCAP differentiation in the presence and absence of an Enterococcus faecalis biofilm...
April 14, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28413464/anti-climacterium-effects-of-pomegranate-concentrated-solutions-in-ovariectomized-ddy-mice
#14
Su Jin Kang, Beom Rak Choi, Seung Hee Kim, Hae Yeon Yi, Hye Rim Park, Chang Hyun Song, Sae Kwang Ku, Young Joon Lee
In the present study, the complex anti-climacterium potential of standardized pomegranate concentrated solution (PCS) was investigated using bilateral ovariectomy (OVX) female ddY mice. Changes in body weight and gain during experimental periods, food consumption, serum estradiol levels, total body and abdominal fat densities, abdominal fat pads, and uterus weights were observed, along with the histopathology of abdominal fat pads and uterus for anti-obesity and estrogenic effects. In addition, liver weights, serum aspartate aminotransferase (AST), alanine aminotransferase (ALT) levels, and histopathological inspections were performed to explore the hepato-protective effects...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28410987/alkaline-phosphatase-velocity-predicts-overall-survival-and-bone-metastasis-in-patients-with-castration-resistant-prostate-cancer
#15
Kai H Hammerich, Timothy F Donahue, Inger L Rosner, Jennifer Cullen, Huai-Ching Kuo, Lauren Hurwitz, Yongmei Chen, Melanie Bernstein, Jonathan Coleman, Daniel C Danila, Adam R Metwalli
INTRODUCTION AND OBJECTIVES: Identifying patients with prostate cancer (CaP) who will ultimately develop bone metastasis (BM) or die of disease is essential. Alkaline phosphatase velocity (APV) has been shown to predict overall survival (OS) and bone metastasis-free survival (BMFS) in an earlier study of an equal access military patient cohort of patients with castrate-resistant prostate cancer (CRPC). To confirm these findings, we examined a cohort of patients from a high-volume cancer center to validate a previous observation that faster alkaline phosphatase (AP) kinetics are predictive of OS and BMFS in this second cohort of patients...
April 11, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28409540/comparison-of-cellular-assays-for-tlr-activation-and-development-of-a-species-specific-reporter-cell-line-for-cattle
#16
Kata Tombácz, Duncan Mwangi, Dirk Werling, Amanda J Gibson
PRRs are sentinels of the innate immune system, with TLRs being the most important. Assays for TLR ligand interactions have been used to gain insights into their function and signaling pathways. As significant differences exist between species with regard to ligand recognition, it is necessary to adapt these tools for TLRs of other species. In the present work, we describe a species-specific cell-based assay adapted for the analysis of single PRRs. Human embryonic kidney 293T cells were stably transfected with the NF-κB-inducible reporter gene secreted embryonic alkaline phosphatase (SEAP) together with bovine TLR2...
May 2017: Innate Immunity
https://www.readbyqxmd.com/read/28409385/the-effect-of-dietary-folic-acid-on-biochemical-parameters-and-gene-expression-of-three-heat-shock-proteins-hsps-of-blunt-snout-bream-megalobrama-amblycephala-fingerling-under-acute-high-temperature-stress
#17
Daniella Fatmata Sesay, Habte-Michael Habte-Tsion, Qunlan Zhou, Mingchun Ren, Jun Xie, Bo Liu, Ruli Chen, Liangkun Pan
The effects of dietary folic acid on biochemical parameters and gene expression of three heat shock proteins (HSPs) of blunt snout bream (Megalobrama amblycephala) fingerling under acute high temperature stress. Six dietary folic acid groups (0.0, 0.5, 1.0, 2.0, 5.0, and 10.0) mg/kg diets were designed and assigned into 18 tanks in three replicates each (300 l/tank) and were administered for 10 weeks in a re-circulated water system. The fingerlings with an initial weight of 27.0 ± 0.03 g were fed with their respective diets four times daily...
April 13, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28406915/predicting-functional-decline-and-survival-in-amyotrophic-lateral-sclerosis
#18
Mei-Lyn Ong, Pei Fang Tan, Joanna D Holbrook
BACKGROUND: Better predictors of amyotrophic lateral sclerosis disease course could enable smaller and more targeted clinical trials. Partially to address this aim, the Prize for Life foundation collected de-identified records from amyotrophic lateral sclerosis sufferers who participated in clinical trials of investigational drugs and made them available to researchers in the PRO-ACT database. METHODS: In this study, time series data from PRO-ACT subjects were fitted to exponential models...
2017: PloS One
https://www.readbyqxmd.com/read/28406904/relationship-between-bone-turnover-and-left-ventricular-function-in-primary-hyperparathyroidism-the-epath-trial
#19
Nicolas Verheyen, Astrid Fahrleitner-Pammer, Evgeny Belyavskiy, Martin R Gruebler, Hans Peter Dimai, Karin Amrein, Klemens Ablasser, Johann Martensen, Cristiana Catena, Elisabeth Pieske-Kraigher, Caterina Colantonio, Jakob Voelkl, Florian Lang, Ioana Alesutan, Andreas Meinitzer, Winfried März, Helmut Brussee, Burkert Pieske, Stefan Pilz, Andreas Tomaschitz
Observational studies suggested a link between bone disease and left ventricular (LV) dysfunction that may be pronounced in hyperparathyroid conditions. We therefore aimed to test the hypothesis that circulating markers of bone turnover correlate with LV function in a cohort of patients with primary hyperparathyroidism (pHPT). Cross-sectional data of 155 subjects with pHPT were analyzed who participated in the "Eplerenone in Primary Hyperparathyroidism" (EPATH) Trial. Multivariate linear regression analyses with LV ejection fraction (LVEF, systolic function) or peak early transmitral filling velocity (e', diastolic function) as dependent variables and N-terminal propeptide of procollagen type 1 (P1NP), osteocalcin (OC), bone-specific alkaline phosphatase (BALP), or beta-crosslaps (CTX) as the respective independent variable were performed...
2017: PloS One
https://www.readbyqxmd.com/read/28406692/effect-of-pre-and-post-weaning-high-fat-dietary-manipulation-on-intestinal-microflora-and-alkaline-phosphatase-activity-in-male-rats
#20
Z Šefčíková, D Bujňáková
We investigated the impact of a high-fat (HF) diet during pre- and post-weaning periods on the intestinal microbiota and alkaline phosphatase (AP) activity in male rats. Nutrition from birth was influenced by feeding rat dams with either a standard or HF diet. After weaning male pups nursed by control dams continued on a standard diet (CC) or HF diet (C->HF), while offspring nursed by HF dams continued on HF diet (HF) or standard diet (HF->C). The numbers of Bacteriodes/Prevotella (BAC) and Lactobacillus/Enterococcus (LAB) in the gut were determined by FISH technique...
April 12, 2017: Physiological Research
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