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https://www.readbyqxmd.com/read/28822233/obese-fathers-lead-to-an-altered-metabolism-and-obesity-in-their-children-in-adulthood-review-of-experimental-and-human-studies
#1
REVIEW
Fernanda Ornellas, Priscila V Carapeto, Carlos A Mandarim-de-Lacerda, Marcia B Aguila
OBJECTIVE: To discuss the recent literature on paternal obesity, focusing on the possible mechanisms of transmission of the phenotypes from the father to the children. SOURCES: A non-systematic review in the PubMed database found few publications in which paternal obesity was implicated in the adverse transmission of characteristics to offspring. Specific articles on epigenetics were also evaluated. As the subject is recent and still controversial, all articles were considered regardless of year of publication...
August 16, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28822176/-cerebral-microangiopathy-of-diabetes
#2
REVIEW
Yuan Li, Ke-Wu Zeng, Xue-Mei Wang
Diabetes mellitus, a kind of chronic metabolic disease, has become one of major threats to human health with an increasing incidence. As a basic pathology of chronic complications related to diabetes mellitus, cerebral microangiopathy is mainly found in patients with Alzheimer's disease and lacunar infarction, and becomes one of the main reasons of death and disability in diabetic patients. The pathogenesis of cerebral microangiopathy is complicated, involving such signal pathways as metabolic abnormalities of polyol, saccharification hyperactivity, oxidative stress, abnormal transport of amyloid-β across blood-brain barrier and protein kinase C activation...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28821885/the-expression-profiles-of-mirna-mrna-of-early-response-in-genetically-improved-farmed-tilapia-oreochromis-niloticus-liver-by-acute-heat-stress
#3
Jun Qiang, Wen J Bao, Fan Y Tao, Jie He, Xia H Li, Pao Xu, Lan Y Sun
Genetically improved farmed tilapia (GIFT, Oreochromis niloticus) are commercially important fish that are cultured in China. GIFT are highly susceptible to diseases when exposed to high temperatures in summer. Better understanding the GIFT regulatory response to heat stress will not only help in determining the relationship between heat stress signalling pathways and adaption mechanisms, but will also contribute to breeding new high-temperature tolerant strains of GIFT. In this study, we built control (28 °C) and heat-treated (37...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821850/comparative-metabonomics-of-wenxin-keli-and-verapamil-reveals-differential-roles-of-gluconeogenesis-and-fatty-acid-%C3%AE-oxidation-in-myocardial-injury-protection
#4
Miaomiao Jiang, Qiuying Wang, Jingrui Chen, Yanan Wang, Guanwei Fan, Yan Zhu
Metabonomics/metabolomics is a rapid technology for comprehensive profiling of small molecule metabolites in cells, tissues, or whole organisms, the application of which has led to understanding pathophysiologic mechanisms of cardiometabolic diseases, defining predictive biomarkers for those diseases, and also assessing the efficacious effects of incident drugs. In this study, proton nuclear magnetic resonance (NMR)-based metabonomics was employed to identify the metabolic changes in rat plasma caused by myocardial ischemia-reperfusion injury (MIRI), and to compare the metabolic regulatory differences between traditional Chinese medicine Wenxin Keli (WXKL) and Western medicine verapamil...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821788/bioenergetic-adaptations-in-chemoresistant-ovarian-cancer-cells
#5
Sajad Dar, Jasdeep Chhina, Ismail Mert, Dhananjay Chitale, Thomas Buekers, Hareena Kaur, Shailendra Giri, Adnan Munkarah, Ramandeep Rattan
Earlier investigations have revealed that tumor cells undergo metabolic reprogramming and mainly derive their cellular energy from aerobic glycolysis rather than oxidative phosphorylation even in the presence of oxygen. However, recent studies have shown that certain cancer cells display increased oxidative phosphorylation or high metabolically active phenotype. Cellular bioenergetic profiling of 13 established and 12 patient derived ovarian cancer cell lines revealed significant bioenergetics diversity. The bioenergetics phenotype of ovarian cancer cell lines correlated with functional phenotypes of doubling time and oxidative stress...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821621/protein-kinase-g-confers-survival-advantage-to-mycobacterium-tuberculosis-during-latency-like-conditions
#6
Mehak Zahoor Khan, Ashima Bhaskar, Sandeep Upadhyay, Pooja Kumari, Raju S Rajmani, Preeti Jain, Amit Singh, Dhiraj Kumar, Neel Sarovar Bhavesh, Vinay Kumar Nandicoori
Protein Kinase G (PknG), a thioredoxin-fold containing eukaryotic like serine/threonine protein kinase (STPK), is a virulence factor in the Mycobacterium tuberculosis, required for inhibition of phago-lysosomal fusion. Here, we unravelled novel functional facets of PknG during latency like conditions. We find that PknG mediates persistence under stressful conditions like hypoxia and abets drug tolerance. PknG mutant displayed minimal growth in nutrient limiting conditions suggesting its role in modulating cellular metabolism...
August 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28820736/long-qt-syndrome-diagnosed-in-two-sisters-with-propionic-acidemia-a-case-report
#7
Ensar Duras, Ahmet İrdem, Ozan Özkaya
Propionic acidemia (PA) is a rare autosomal recessive metabolic disorder caused by deficiency of the mitochondrial enzyme propionyl-CoA carboxylase (PCC). This disorder mostly progresses with episodes of metabolic acidosis. Cardiomyopathy is among the cardiac complications known to occur during metabolic decompensation episodes. However, several recent papers emphasized the association of PA and long QT syndrome (LQTS) which may lead to extremely serious and fatal consequences. In this report, we describe two sisters with PA who have prolonged QT duration that were incidentally detected in an outpatient setting...
August 18, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28820447/comprehensive-study-of-multiple-stages-progressing-to-nonalcoholic-steatohepatitis-with-subsequent-fibrosis-in-sd-rats
#8
Lulu Wang, Susu Wu, Minxuan Cai, Ji Ma, Shengcun Li, Maoru Li, Yan Xu, Lixin Wei, Jing Shang
Because of the absence of the time course of histological nonalcoholic fatty hepatitis with subsequent fibrotic progression, the effective approaches available for controlling the onset and progression of non-alcoholic steatohepatitis (NASH) remain limited. Therefore, we detected the serum and liver tissue related lipid metabolism disorder, liver pathology and relative molecular makers alteration dynamically in a high fat-sucrose diet during different time points. High fat-sucrose diet significantly increased the serum lipid level on day 10...
August 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28820420/alterations-in-placenta-redox-status-during-experimental-model-of-hypoxia-induced-preeclampsia
#9
A Sharashenidze, L Panchulidze, T Sanikidze
An important pathogenetic link of preeclampsia (PE) is hypoxia of uterine-placental tissues, accompanied by damage of the vascular endothelium and the release of vasoactive mediators, violate vascular tone and microcirculation in the maternal organism and placenta and development of a number of pathological processes in the mother's and fetus body. The aim of the study was to establish metabolic abnormalities of oxidative metabolism of the placenta during experimental model of PE (uterine/placental hypoxia)...
July 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28820398/chronic-kidney-disease-leads-to-hypoxia-inducible-factor-1alpha-to-hypoxia-inducible-factor-2alpha-switch-in-the-gastrocnemius-muscle
#10
M Flisinski, E Wisniewska-Chudy, A Brymora, A Stefanska, P Strozecki, J Manitius
Hipoxia inducible factor-1 and HIF-2 are responsible for the adaptation of cell metabolism to hypoxia. Previously, a more severe capillary rarefaction was found in locomotor than in postural muscles of uremic animals. The aim of this study was to analyze the expression patterns of HIF and prolyl hydroxylases (PHDs) in functionally different skeletal muscles in uremic rats, an experimental model of chronic kidney disease (CKD). Rats were randomized to sham operation - CON, uninephrectomy - CKD1/2 or subtotal nephrectomy - CKD5/6...
June 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28820290/local-histone-acetylation-by-acss2-promotes-gene-transcription-for-lysosomal-biogenesis-and-autophagy
#11
Xinjian Li, Xu Qian, Zhimin Lu
Overcoming metabolic stress is a critical step in tumorigenesis. Acetyl coenzyme A (acetyl-CoA) converted from glucose or acetate is a substrate used for histone acetylation to regulate gene expression. However, how acetyl-CoA is produced under nutritional stress conditions is unclear. Herein we report that nutritional stress induces nuclear translocation of ACSS2 (acyl-CoA synthetase short-chain family member 2). This translocation is mediated by AMP-activated protein kinase (AMPK)-dependent ACSS2 Ser659 phosphorylation and subsequent exposure of the nuclear localization signal of ACSS2 to KPNA1/importin α5 for binding...
August 18, 2017: Autophagy
https://www.readbyqxmd.com/read/28819915/suppression-of-methionine-induced-colon-injury-of-young-rats-by-cysteine-and-n-acetyl-l-cysteine
#12
Marija Stojanović, Ljiljana Šćepanović, Dušan Todorović, Dušan Mitrović, Vuk Šćepanović, Radomir Šćepanović, Slobodan Ilić, Teja Šćepanović, Milica Labudović Borović, Živana Milićević, Vesna Dragutinović, Sunčica Borozan, Ivana Lalić, Sanja Despotović, Dragan Djuric
Changes in the methionine metabolism can cause a state called hyperhomocysteinemia, inducing oxidative stress in the gut. The production of free radicals is important in the colon damage caused by methionine. This study aimed at evaluating the effect of the use of L-cysteine and N-acetyl-L-cysteine on the colon morphometry of young rats treated with methionine. A total number of 32 male rats were distributed in a randomized experimental design in 4 groups: control group treated with saline; methionine group; cysteine + methionine group, and N-acetyl-L-cysteine + methionine group...
August 17, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28819808/mir398-and-mir395-are-involved-in-response-to-so2-stress-in-arabidopsis-thaliana
#13
Lihong Li, Huilan Yi, Meizhao Xue, Min Yi
Sulfur dioxide (SO2) is a common air pollutant that has adverse effects on plants. MicroRNAs (miRNAs) are small noncoding RNA that play critical roles in plant development and stress response. In this study, we found that two miRNAs, miR398 and miR395, were differentially expressed in Arabidopsis shoots under SO2 stress. The expression of miR398 was down-regulated, and the transcript levels of its target genes, Cu/Zn superoxide dismutases (CSD1 and CSD2), were increased during SO2 exposure. The activity of superoxide dismutase (SOD), one of the major antioxidant enzymes, was enhanced with the increase in the CSD transcript level, suggesting an important role of miR398 in response to SO2-induced oxidative stress...
August 17, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28819546/oxidative-stress-harms-and-benefits-for-human-health
#14
REVIEW
Gabriele Pizzino, Natasha Irrera, Mariapaola Cucinotta, Giovanni Pallio, Federica Mannino, Vincenzo Arcoraci, Francesco Squadrito, Domenica Altavilla, Alessandra Bitto
Oxidative stress is a phenomenon caused by an imbalance between production and accumulation of oxygen reactive species (ROS) in cells and tissues and the ability of a biological system to detoxify these reactive products. ROS can play, and in fact they do it, several physiological roles (i.e., cell signaling), and they are normally generated as by-products of oxygen metabolism; despite this, environmental stressors (i.e., UV, ionizing radiations, pollutants, and heavy metals) and xenobiotics (i.e., antiblastic drugs) contribute to greatly increase ROS production, therefore causing the imbalance that leads to cell and tissue damage (oxidative stress)...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28819246/transcriptome-analysis-reveals-plant-response-to-colchicine-treatment-during-on-chromosome-doubling
#15
Kai Zhou, Paige Fleet, Eviatar Nevo, Xinquan Zhang, Genlou Sun
Colchicine was commonly used to artificially double chromosomes while the transcriptome changes in colchicine treated plants has rarely been characterized. To understand the molecular mechanism of colchicine on chromosome doubling, we characterized transcriptome data of diploid orchardgrass root after colchicine treatment. Our results showed that 3381 of differentially expressed genes (DEGs) were mainly affected by water stress, 1258 DEGs that were expressed significantly in sample DacR5tr but not in DacR5ck were considered to be mainly affected by colchicine and combination of water and colchicine...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819197/mortierella-alpina-cs10e4-an-oleaginous-fungal-endophyte-of-crocus-sativus-l-enhances-apocarotenoid-biosynthesis-and-stress-tolerance-in-the-host-plant
#16
Zahoor Ahmed Wani, Amit Kumar, Phalisteen Sultan, Kushal Bindu, Syed Riyaz-Ul-Hassan, Nasheeman Ashraf
Crocus sativus is the only plant species which produces apocarotenoids like crocin, picrocrocin and safranal in significant amounts. These compounds impart organoleptic properties to saffron (dried stigmas of Crocus flower) making it world's costliest spice. Crocus apocarotenoids have tremendous medicinal properties as well. Effect of endophytes on Crocus apocarotenoid production and the molecular mechanism involved has not been reported so far. Here we studied the effect of an oleaginous fungal endophyte, Mortierella alpina CS10E4 on Crocus growth, apocarotenoid metabolism and tolerance to corm rot disease...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819186/cd24-induces-changes-to-the-surface-receptors-of-b-cell-microvesicles-with-variable-effects-on-their-rna-and-protein-cargo
#17
D Craig Ayre, Ian C Chute, Andrew P Joy, David A Barnett, Andrew M Hogan, Marc P Grüll, Lourdes Peña-Castillo, Andrew S Lang, Stephen M Lewis, Sherri L Christian
The CD24 cell surface receptor promotes apoptosis in developing B cells, and we recently found that it induces B cells to release plasma membrane-derived, CD24-bearing microvesicles (MVs). Here we have performed a systematic characterization of B cell MVs released from WEHI-231 B lymphoma cells in response to CD24 stimulation. We found that B cells constitutively release MVs of approximately 120 nm, and that CD24 induces an increase in phosphatidylserine-positive MV release. RNA cargo is predominantly comprised of 5S rRNA, regardless of stimulation; however, CD24 causes a decrease in the incorporation of protein coding transcripts...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819113/insights-into-the-role-of-endonuclease-v-in-rna-metabolism-in-trypanosoma-brucei
#18
Daniel García-Caballero, Guiomar Pérez-Moreno, Antonio M Estévez, Luis Miguel Ruíz-Pérez, Antonio E Vidal, Dolores González-Pacanowska
Inosine may arise in DNA as a result of oxidative deamination of adenine or misincorporation of deoxyinosine triphosphate during replication. On the other hand, the occurrence of inosine in RNA is considered a normal and essential modification induced by specific adenosine deaminases acting on mRNA and tRNA. In prokaryotes, endonuclease V (EndoV) can recognize and cleave inosine-containing DNA. In contrast, mammalian EndoVs preferentially cleave inosine-containing RNA, suggesting a role in RNA metabolism for the eukaryotic members of this protein family...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819000/hypoxia-induced-myocardial-regeneration
#19
Wataru Kimura, Yuji Nakada, Hesham A Sadek
The underlying cause of systolic heart failure is the inability of the adult mammalian heart to regenerate damaged myocardium. In contrast, some vertebrate species and immature mammals are capable of full cardiac regeneration following multiple types of injury through cardiomyocyte proliferation. Little is known about what distinguishes proliferative cardiomyocytes from terminally differentiated, non-proliferative cardiomyocytes. Recently, several reports have suggested that oxygen metabolism and oxidative stress play a pivotal role in regulating the proliferative capacity of mammalian cardiomyocytes...
August 17, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28818793/cellular-adaptation-to-xenobiotics-interplay-between-xenosensors-reactive-oxygen-species-and-foxo-transcription-factors
#20
Lars-Oliver Klotz, Holger Steinbrenner
Cells adapt to an exposure to xenobiotics by upregulating the biosynthesis of proteins involved in xenobiotic metabolism. This is achieved largely via activation of cellular xenosensors that modulate gene expression. Biotransformation of xenobiotics frequently comes with the generation of reactive oxygen species (ROS). ROS, in turn, are known modulators of signal transduction processes. FOXO (forkhead box, class O) transcription factors are among the proteins deeply involved in the cellular response to stress, including oxidative stress elicited by the formation of ROS...
August 3, 2017: Redox Biology
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