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Acid base disturbance

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https://www.readbyqxmd.com/read/28644561/the-redox-sensitive-module-of-cyclophilin-20-3-2-cysteine-peroxiredoxin-and-cysteine-synthase-integrates-sulfur-metabolism-and-oxylipin-signaling-in-the-high-light-acclimation-response
#1
Sara M Müller, Shanshan Wang, Wilena Telman, Michael Liebthal, Helena Schnitzer, Andrea Viehhauser, Carsten Sticht, Carolina Delatorre, Markus Wirtz, Rüdiger Hell, Karl-Josef Dietz
The integration of redox- and reactive oxygen species-dependent signaling and metabolic activities are fundamental to plant acclimation to biotic and abiotic stresses. Previous data suggest the existence of a dynamically interacting module in the chloroplast stroma consisting of cyclophilin 20-3 (Cyp20-3), O-acetylserine(thiol)lyase B (OASTL-B), 2-cysteine peroxiredoxins A/B (2-CysPrx) and serine acetyltransferase 2;1 (SERAT2;1). The functionality of this COPS module is influenced by redox stimuli and oxophytodienoic acid (OPDA) which is the precursor for jasmonic acid...
June 23, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28624465/muscle-pathology-in-vici-syndrome-a-case-study-with-a-novel-mutation-in-epg5-and-a-summary-of-the-literature
#2
Carola Hedberg-Oldfors, Niklas Darin, Anders Oldfors
Vici syndrome is a disorder characterized by myopathy, cardiomyopathy, agenesis of the corpus callosum, immunodeficiency, cataracts, hypopigmentation, microcephaly, gross developmental delay and failure to thrive. It is caused by mutations in EPG5, which encodes a protein involved in the autophagy pathway. Although myopathy is part of the syndrome, few publications have described the muscle pathology. We present a detailed morphological analysis in a boy with Vici syndrome due to a novel homozygous one-base deletion in EPG5 (c...
May 8, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28620821/administration-of-exogenous-melatonin-after-the-onset-of-systemic-inflammation-is-hardly-beneficial
#3
Lisa Brencher, Maren Oude Lansink, Katharina Effenberger-Neidnicht
Melatonin improves survival and functional impairment including hemolysis, thrombocytopenia, and hypotension when administered in a prophylactic manner or early after initiation of sepsis or endotoxemia. In the present study, melatonin was given not before first symptoms of systemic inflammation became manifest. Lipopolysaccharide was infused at a rate of 0.5 mg/kg × h to induce systemic inflammation in male Wistar rats. Melatonin (single dose 3 mg/kg × 15 min) was intravenously administered 180 and 270 min after starting of the lipopolysaccharide infusion...
June 15, 2017: Inflammation
https://www.readbyqxmd.com/read/28617863/the-use-of-metabolic-profiling-to-identify-insulin-resistance-in-veal-calves
#4
Andre J Pantophlet, Han Roelofsen, Marcel P de Vries, Walter J J Gerrits, Joost J G C van den Borne, Roel J Vonk
Heavy veal calves (4-6 months old) are at risk of developing insulin resistance and disturbed glucose homeostasis. Prolonged insulin resistance could lead to metabolic disorders and impaired growth performance. Recently, we discovered that heavy Holstein-Friesian calves raised on a high-lactose or high-fat diet did not differ in insulin sensitivity, that insulin sensitivity was low and 50% of the calves could be considered insulin resistant. Understanding the patho-physiological mechanisms underlying insulin resistance and discovering biomarkers for early diagnosis would be useful for developing prevention strategies...
2017: PloS One
https://www.readbyqxmd.com/read/28616739/petrol-filling-workers-as-biomonitor-of-pah-exposure-and-functional-health-capacity-in-resource-limited-settings-of-city-rawalpindi-pakistan
#5
Audil Rashid, Shu Taov, Ikhtiar Uddin, Atif Kamal
This is the first study from Pakistan to report the exposure of petrol filling workers (n = 120) to naphthalene (Nap) and pyrene (Pyr) in relation to their functional capacities and health outcome. A group of non-exposed subjects (controls n = 46) was also recruited for comparison. The perceived health risk of the exposed workers was monitored using a questionnaire based on the self-reporting survey. The observed physical anomalies related to the health disorder included the acidity after meals, eye redness, appetite loss, skin lesions, and dryness of oral cavity, while those related to neurasthenic symptoms included the body aches, energy loss, twitching, fatigue, sleeplessness, fainting, and irritability...
June 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28612026/postoperative-compensatory-ammonium-excretion-subsequent-to-systemic-acidosis-in-cardiac-patients
#6
Friederike Roehrborn, Daniel-Sebastian Dohle, Indra N Waack, Konstantinos Tsagakis, Heinz Jakob, Johanna K Teloh
BACKGROUND: Postoperative acid-base imbalances, usually acidosis, frequently occur after cardiac surgery. In most cases, the human body, not suffering from any severe preexisting illnesses regarding lung, liver, and kidney, is capable of transient compensation and final correction. The aim of this study was to correlate the appearance of postoperatively occurring acidosis with renal ammonium excretion. MATERIALS AND METHODS: Between 07/2014 and 10/2014, a total of 25 consecutive patients scheduled for elective isolated coronary artery bypass grafting with cardiopulmonary bypass were enrolled in this prospective observational study...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28601015/enantioselective-bioaccumulation-following-exposure-of-adult-zebrafish-danio-rerio-to-epoxiconazole-and-its-effects-on-metabolomic-profile-as-well-as-genes-expression
#7
Yao Wang, Miaomiao Teng, Dezhen Wang, Jin Yan, Jiyan Miao, Zhiqiang Zhou, Wentao Zhu
Although epoxiconazole is the worldwidely used fungicide, limited information is known about its toxic effects and bioaccumulation behavior in freshwater ecosystems. In this study, zebrafish were exposed to epoxiconazole at concentrations of 100 and 1000 μg L(-1) for 21 d. (1)H NMR-based metabolomics analysis showed that low- and high-dose epoxiconazole exposure resulted in two similar but not identical patterns for the change of endogenous metabolites related to energy, lipid and amino acid metabolism...
June 7, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28599448/overexpression-of-the-androgen-receptor-in-human-hepatoma-cells-and-its-effect-on-fatty-acid-metabolism
#8
Tatsuo Kanda, Xia Jiang, Masato Nakamura, Yuki Haga, Reina Sasaki, Shuang Wu, Shingo Nakamoto, Fumio Imazeki, Osamu Yokosuka
Hepatocellular carcinoma (HCC) is a predominantly male disease in which the androgen receptor (AR) serves an important pathogenic role in hepatocarcinogenesis. Fatty acid metabolism also contributes to hepatocarcinogenesis and is associated with the prognosis of cancer. The present study aimed to investigate the effects of the AR on fatty acid metabolism-associated gene expression in human hepatoma cell lines. AR-expression plasmids or control plasmids were transiently transfected into the human HCC cell lines Huh7 and HepG2...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28587101/therapeutic-applications-of-rose-hips-from-different-rosa-species
#9
REVIEW
Inés Mármol, Cristina Sánchez-de-Diego, Nerea Jiménez-Moreno, Carmen Ancín-Azpilicueta, María Jesús Rodríguez-Yoldi
Rosa species, rose hips, are widespread wild plants that have been traditionally used as medicinal compounds for the treatment of a wide variety of diseases. The therapeutic potential of these plants is based on its antioxidant effects caused by or associated with its phytochemical composition, which includes ascorbic acid, phenolic compounds and healthy fatty acids among others. Over the last few years, medicinal interest in rose hips has increased as a consequence of recent research that has studied its potential application as a treatment for several diseases including skin disorders, hepatotoxicity, renal disturbances, diarrhoea, inflammatory disorders, arthritis, diabetes, hyperlipidaemia, obesity and cancer...
May 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28587067/diet-induced-low-grade-metabolic-acidosis-and-clinical-outcomes-a-review
#10
Renata Alves Carnauba, Ana Beatriz Baptistella, Valéria Paschoal, Gilberti Helena Hübscher
Low-grade metabolic acidosis is a condition characterized by a slight decrease in blood pH, within the range considered normal, and feeding is one of the main factors that may influence the occurrence of such a condition. The excessive consumption of acid precursor foods (sources of phosphorus and proteins), to the detriment of those precursors of bases (sources of potassium, calcium, and magnesium), leads to acid-base balance volubility. If this condition occurs in a prolonged, chronic way, low-grade metabolic acidosis can become significant and predispose to metabolic imbalances such as kidney stone formation, increased bone resorption, reduced bone mineral density, and the loss of muscle mass, as well as the increased risk of chronic diseases such as type 2 diabetes mellitus, hypertension, and non-alcoholic hepatic steatosis...
May 25, 2017: Nutrients
https://www.readbyqxmd.com/read/28584907/acute-psychoactive-and-toxic-effects-of-d-metel-on-mice-explained-by-1-h-nmr-based-metabolomics-approach
#11
Yonghong Fu, Zhihong Si, Pumin Li, Minghui Li, He Zhao, Lei Jiang, Yuexiao Xing, Wei Hong, Lingyu Ruan, Jun-Song Wang
Datura metel L. (D. metel) is one well-known folk medical herb with wide application and also the most abused plants all over the world, mainly for spiritual or religious purpose, over-dosing of which often produces poisonous effects. In this study, mice were orally administered with the extract of D. metel once a day at doses for 10 mg/kg and 40 mg/kg for consecutive 4 days, (1)H NMR based metabolomics approach aided with histopathological inspection and biochemical assays were used for the first time to study the psychoactive and toxic effects of D...
June 5, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28573142/advances-in-the-diagnosis-and-treatment-of-acute-kidney-injury-in-cirrhosis-patients
#12
REVIEW
Lei Lei, Liangping Li, Hu Zhang
Liver cirrhosis is a common progressive and chronic clinical liver disease. Due to the strong compensation ability of the liver, no obvious symptoms develop in the early stage. However, multiple systems are involved in decompensation of the liver. Acute kidney injury (AKI) is one of the most serious complications, characterized by a sharp drop in the glomerular filtration rate (GFR); a rapid increase in Scr and BUN, as well as sodium and water storage; and a disturbance of acid-base balance. The mortality rate is high, and the prognosis is very poor...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28566446/cortisol-related-metabolic-alterations-assessed-by-mass-spectrometry-assay-in-patients-with-cushing-s-syndrome
#13
Guido Di Dalmazi, Marcus Quinkler, Timo Deutschbein, Cornelia Prehn, Nada Rayes, Matthias Kroiss, Christina Maria Berr, Günter K Stalla, Martin Fassnacht, Jerzy Adamski, Martin Reincke, Felix Beuschlein
OBJECTIVE: Endogenous hypercortisolism is a chronic condition associated with severe metabolic disturbances and cardiovascular sequela. The aim of this study was to characterize metabolic alterations in patients with different degrees of hypercortisolism by mass-spectrometry-based targeted plasma metabolomic profiling and correlate the metabolomic profile with clinical and hormonal data. DESIGN: Cross-sectional study. METHODS: Subjects (n=149) were classified according to clinical and hormonal characteristics: Cushing's syndrome (n=46), adrenocortical adenomas with autonomous cortisol secretion (n=31) or without hypercortisolism (n=27)...
May 31, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28565850/metabolic-acidosis-as-a-risk-factor-for-the-development-of-acute-kidney-injury-and-hospital-mortality
#14
Jiachang Hu, Yimei Wang, Xuemei Geng, Rongyi Chen, Xialian Xu, Xiaoyan Zhang, Jing Lin, Jie Teng, Xiaoqiang Ding
Metabolic acidosis has been proved to be a risk factor for the progression of chronic kidney disease, but its relation to acute kidney injury (AKI) has not been investigated. In general, a diagnosis of metabolic acidosis is based on arterial blood gas (ABG) analysis, but the diagnostic role of carbon dioxide combining power (CO2CP) in the venous blood may also be valuable to non-respiratory patients. This retrospective study included all adult non-respiratory patients admitted consecutively to our hospital between October 01, 2014 and September 30, 2015...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28554311/the-role-of-sigma-1-receptor-an-intracellular-chaperone-in-neurodegenerative-diseases
#15
Botond Penke, Lívia Fülöp, Mária Szűcs, Ede Frecska
Widespread protein aggregation occurs in the living system under stress or during aging, owing to disturbance of endoplasmic reticulum (ER) proteostasis. Many neurodegenerative diseases may have a common mechanism: the failure of protein homeostasis. Perturbation of ER results in unfolded protein response (UPR). Prolonged chronical UPR may activate apoptotic pathways and cause cell death. ER is associated to mitochondria by the mitochondria-associated ER-membrane, MAM. The sigma-1 receptor (Sig-1R), a well-known ER-chaperone localizes in the MAM...
May 28, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28549240/dietary-salecan-reverts-partially-the-metabolic-gene-expressions-and-nmr-based-metabolomic-profiles-from-high-fat-diet-induced-obese-rats
#16
Qi Sun, Minghui Li, Xiao Yang, Xi Xu, Junsong Wang, Jianfa Zhang
Previous studies suggest that dietary salecan (a water-soluble β-glucan) effectively reduces high-fat-diet-induced adiposity through disturbing bile-acid-promoted emulsification in mice. However, the effects of salecan on metabolic genes and metabolites involved in lipid accumulation are mostly unknown. Here, we confirmed that dietary 3% and 6% salecan for 4 weeks markedly decreased fat accumulation in liver and adipose tissue in high-fat-diet rats, displaying a decrease in mRNA levels of SREBP1-C, FAS, SCD1 and ACC1 involved in de novo lipogenesis and a reduction of levels of GPAT1, DGAT1 and DGAT2 related to triglyceride synthesis...
May 5, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28547292/physiological-implications-of-ocean-acidification-for-marine-fish-emerging-patterns-and-new-insights
#17
REVIEW
Andrew J Esbaugh
Ocean acidification (OA) is an impending environmental stress facing all marine life, and as such has been a topic of intense research interest in recent years. Numerous detrimental effects have been documented in marine fish, ranging from reduced mortality to neurosensory impairment, and the prevailing opinions state that these effects are largely the downstream consequences of altered blood carbon dioxide chemistry caused by respiratory acid-base disturbances. While the respiratory acid-base disturbances are consistent responses to OA across tested fish species, it is becoming increasingly clear that there is wide variability in the degree of downstream impairments between species...
May 25, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28544938/sex-steroids-and-metabolic-responses-in-mussels-mytilus-galloprovincialis-exposed-to-drospirenone
#18
Tiziana Cappello, Denise Fernandes, Maria Maisano, Andrea Casano, Marta Bonastre, Maria João Bebianno, Angela Mauceri, Salvatore Fasulo, Cinta Porte
Drospirenone (DRO) is a synthetic progestin derived from 17α-spironolactone with a pharmacological mechanism of action similar to progesterone. Despite its wide use as pharmaceutical and consequent continuous release into the aquatic environment, DRO effects have been poorly investigated on aquatic biota. In order to unravel the toxicity mechanisms of DRO, mussels Mytilus galloprovincialis were exposed for 7 days to different concentrations of DRO, namely 20ng/L (Low; L), 200ng/L (Medium; M), 2000ng/L (High; H) and 10μg/L (Super High; SH) nominal doses...
May 22, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28537512/do-patients-with-a-baseline-clinical-condition-warranting-the-cautious-use-of-parenteral-nutrition-develop-subsequent-metabolic-complications
#19
Diana M Solomon, James M Hollands, Laura A Siemianowski, Colleen E Smith, Richard J Song, Angela L Bingham
BACKGROUND: The American Society for Parenteral and Enteral Nutrition Adult Nutrition Support Core Curriculum describes clinical conditions that warrant cautious use of parenteral nutrition (CCWCPN). The Core Curriculum authors acknowledge there is no evidence for specific criteria suggested for the clinical conditions. Consequently, the purpose of this study was to determine the impact of a baseline CCWCPN on the development of subsequent metabolic complications in patients receiving parenteral nutrition (PN)...
June 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28509906/therapeutic-efficacy-of-atypical-antipsychotic-drugs-by-targeting-multiple-stress-related-metabolic-pathways
#20
H L Cai, P Jiang, Q Y Tan, R L Dang, M M Tang, Y Xue, Y Deng, B K Zhang, P F Fang, P Xu, D X Xiang, H D Li, J K Yao
Schizophrenia (SZ) is considered to be a multifactorial brain disorder with defects involving many biochemical pathways. Patients with SZ show variable responses to current pharmacological treatments of SZ because of the heterogeneity of this disorder. Stress has a significant role in the pathophysiological pathways and therapeutic responses of SZ. Atypical antipsychotic drugs (AAPDs) can modulate the stress response of the hypothalamic-pituitary-adrenal (HPA) axis and exert therapeutic effects on stress by targeting the prefrontal cortex (PFC) and hippocampus...
May 16, 2017: Translational Psychiatry
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