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https://www.readbyqxmd.com/read/28346859/circulating-zbed3-levels-in-subjects-with-and-without-metabolic-syndrome
#1
Wenjing Hu, Bo Tian, Xiaoqiang Li, Ling Li, Lin Zhang, Hua Liu, Gangyi Yang, Yongsheng Liu, Xiaoyun Fan
BACKGROUND: Zinc-finger BED domain-containing 3 (Zbed3) is a member of the zinc-finger domain protein superfamily. Recent studies have shown that Zbed3 is associated with insulin resistance and type 2 diabetes mellitus. However, no report has demonstrated the association of Zbed3 with metabolic syndrome (MetS) in humans. The purpose of this study is to examine the association between Zbed3 and MetS in a cross-sectional study. METHODS: We conducted a cross-sectional study of a Chinese population, including 167 non-MetS subjects and 144 newly diagnosed MetS (nMetS) patients...
March 27, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28346858/circulating-soluble-il-6-receptor-concentration-and-visceral-adipocyte-size-are-related-to-insulin-resistance-in-taiwanese-adults-with-morbid-obesity
#2
Feng-Chih Kuo, Ya-Hsien Huang, Fu-Huang Lin, Yi-Jen Hung, Chang-Hsun Hsieh, Chieh-Hua Lu, Sheng-Chiang Su, Chia-Luen Huang, Chien-Hsing Lee, Nain-Feng Chu
BACKGROUND: Morbid obesity is related to chronic inflammation and many metabolic complications. Interleukin (IL)-6 plays a pivotal pathophysiological role in obesity, and IL-6 trans-signaling through the soluble IL-6 receptor (sIL-6R) has a major proinflammatory effect. The aim of this study was to investigate the association between sIL-6R, adipocyte size, and insulin resistance in morbidly obese individuals. METHODS: We measured concentrations of sIL-6R, high-sensitivity C-reactive protein, and lipid parameters and estimated homeostasis model assessment of insulin resistance (HOMA-IR) before the patients underwent bariatric surgery...
March 27, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28346810/an-automated-multiplexed-hepatotoxicity-and-cyp-induction-assay-using-heparg-cells-in-2d-and-3d
#3
Lindsey M Ott, Karthik Ramachandran, Lisa Stehno-Bittel
Drug-induced liver injury (DILI) and drug-drug interactions (DDIs) are concerns when developing safe and efficacious compounds. We have developed an automated multiplex assay to detect hepatotoxicity (i.e., ATP depletion) and metabolism (i.e., cytochrome P450 1A [CYP1A] and cytochrome P450 3A4 [CYP3A4] enzyme activity) in two-dimensional (2D) and three-dimensional (3D) cell cultures. HepaRG cells were cultured in our proprietary micromold plates and produced spheroids. HepaRG cells, in 2D or 3D, expressed liver-specific proteins throughout the culture period, although 3D cultures consistently exhibited higher albumin secretion and CYP1A/CYP3A4 enzyme activity than 2D cultures...
March 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28346704/the-chloroplast-rna-helicase-ise2-is-required-for-multiple-chloroplast-rna-processing-steps-in-arabidopsis-thaliana
#4
Krzysztof Bobik, Tyra N McCray, Ben Ernest, Jessica C Fernandez, Katharine A Howell, Thomas Lane, Margaret Staton, Tessa M Burch-Smith
INCREASED SIZE EXCLUSION LIMIT2 (ISE2) is a chloroplast-localized RNA helicase that is indispensable for proper plant development. Chloroplasts in leaves with reduced ISE2 expression have previously been shown to exhibit reduced thylakoid contents and increased stromal volume, indicative of defective development. It has recently been reported that ISE2 is required for the splicing of group II introns from chloroplast transcripts. The current study extends these findings, and presents evidence for ISE2's role in multiple aspects of chloroplast RNA processing beyond group II intron splicing...
March 27, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28346469/computational-identifying-and-characterizing-circular-rnas-and-their-associated-genes-in-hepatocellular-carcinoma
#5
Yan Li, Yongcheng Dong, Ziyan Huang, Qifan Kuang, Yiming Wu, Yizhou Li, Menglong Li
Hepatocellular carcinoma (HCC) is currently still a major factor leading to death, lacking of reliable biomarkers. Therefore, deep understanding the pathogenesis for HCC is of great importance. The emergence of circular RNA (circRNA) provides a new way to study the pathogenesis of human disease. Here, we employed the prediction tool to identify circRNAs based on RNA-seq data. Then, to investigate the biological function of the circRNA, the candidate circRNAs were associated with the protein-coding genes (PCGs) by GREAT...
2017: PloS One
https://www.readbyqxmd.com/read/28346425/chip-stub1-regulates-the-warburg-effect-by-promoting-degradation-of-pkm2-in-ovarian-carcinoma
#6
Y Shang, J He, Y Wang, Q Feng, Y Zhang, J Guo, J Li, S Li, Y Wang, G Yan, F Ren, Y Shi, J Xu, N Zeps, Y Zhai, D He, Z Chang
Tumor cells preferentially adopt aerobic glycolysis for their energy supply, a phenomenon known as the Warburg effect. It remains a matter of debate as to how the Warburg effect is regulated during tumor progression. Here, we show that CHIP (carboxyl terminus of Hsc70-interacting protein), a U-box E3 ligase, suppresses tumor progression in ovarian carcinomas by inhibiting aerobic glycolysis. While CHIP is downregulated in ovarian carcinoma, induced expression of CHIP results in significant inhibition of the tumor growth examined by in vitro and in vivo experiments...
March 27, 2017: Oncogene
https://www.readbyqxmd.com/read/28346409/the-metabolic-er-stress-sensor-ire1%C3%AE-suppresses-alternative-activation-of-macrophages-and-impairs-energy-expenditure-in-obesity
#7
Bo Shan, Xiaoxia Wang, Ying Wu, Chi Xu, Zhixiong Xia, Jianli Dai, Mengle Shao, Feng Zhao, Shengqi He, Liu Yang, Mingliang Zhang, Fajun Nan, Jia Li, Jianmiao Liu, Jianfeng Liu, Weiping Jia, Yifu Qiu, Baoliang Song, Jing-Dong J Han, Liangyou Rui, Sheng-Zhong Duan, Yong Liu
Obesity is associated with metabolic inflammation and endoplasmic reticulum (ER) stress, both of which promote metabolic disease progression. Adipose tissue macrophages (ATMs) are key players orchestrating metabolic inflammation, and ER stress enhances macrophage activation. However, whether ER stress pathways underlie ATM regulation of energy homeostasis remains unclear. Here, we identified inositol-requiring enzyme 1α (IRE1α) as a critical switch governing M1-M2 macrophage polarization and energy balance...
March 27, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28346394/engineered-resistant-starch-ers-diet-shapes-colon-microbiota-profile-in-parallel-with-the-retardation-of-tumor-growth-in-in-vitro-and-in-vivo-pancreatic-cancer-models
#8
Concetta Panebianco, Kaarel Adamberg, Signe Adamberg, Chiara Saracino, Madis Jaagura, Kaia Kolk, Anna Grazia Di Chio, Paolo Graziano, Raivo Vilu, Valerio Pazienza
BACKGROUND/AIMS: Pancreatic cancer (PC) is ranked as the fourth leading cause of cancer-related deaths worldwide. Despite recent advances in treatment options, a modest impact on the outcome of the disease is observed so far. We have previously demonstrated that short-term fasting cycles have the potential to improve the efficacy of chemotherapy against PC. The aim of this study was to assess the effect of an engineered resistant-starch (ERS) mimicking diet on the growth of cancer cell lines in vitro, on the composition of fecal microbiota, and on tumor growth in an in vivo pancreatic cancer mouse xenograft model...
March 27, 2017: Nutrients
https://www.readbyqxmd.com/read/28346369/metabolic-impact-of-light-phase-restricted-fructose-consumption-is-linked-to-changes-in-hypothalamic-ampk-phosphorylation-and-melatonin-production-in-rats
#9
Juliana de Almeida Faria, Thiago Matos F de Araújo, Daniela S Razolli, Letícia Martins Ignácio-Souza, Dailson Nogueira Souza, Silvana Bordin, Gabriel Forato Anhê
Recent studies show that the metabolic effects of fructose may vary depending on the phase of its consumption along with the light/dark cycle. Here, we investigated the metabolic outcomes of fructose consumption by rats during either the light (LPF) or the dark (DPF) phases of the light/dark cycle. This experimental approach was combined with other interventions, including restriction of chow availability to the dark phase, melatonin administration or intracerebroventricular inhibition of adenosine monophosphate-activated protein kinase (AMPK) with Compound C...
March 27, 2017: Nutrients
https://www.readbyqxmd.com/read/28345763/the-role-of-runx2-in-facilitating-autophagy-in-metastatic-breast-cancer-cells
#10
Manish Tandon, Ahmad H Othman, Vivek Ashok, Gary S Stein, Jitesh Pratap
Breast cancer metastases cause significant patient mortality. During metastases, cancer cells use autophagy, a catabolic process to recycle nutrients via lysosomal degradation, to overcome nutritional stress for their survival. The Runt-related transcription factor, Runx2, promotes cell survival under metabolic stress and regulates breast cancer progression and bone metastases. Here, we identify that Runx2 enhances autophagy in metastatic breast cancer cells. We defined Runx2 function in cellular autophagy by monitoring microtubule-associated protein light chain (LC3B-II) levels, an autophagy-specific marker...
March 27, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28345649/proteomic-analysis-indicates-that-mitochondrial-energy-metabolism-in-skeletal-muscle-tissue-is-negatively-correlated-with-feed-efficiency-in-pigs
#11
Liangliang Fu, Yueyuan Xu, Ye Hou, Xiaolong Qi, Lian Zhou, Huiying Liu, Yu Luan, Lu Jing, Yuanxin Miao, Shuhong Zhao, Huazhen Liu, Xinyun Li
Feed efficiency (FE) is a highly important economic trait in pig production. Investigating the molecular mechanisms of FE is essential for trait improvement. In this study, the skeletal muscle proteome of high-FE and low-FE pigs were investigated by the iTRAQ approach. A total of 1780 proteins were identified, among which 124 proteins were differentially expressed between the high- and low-FE pigs, with 74 up-regulated and 50 down-regulated in the high-FE pigs. Ten randomly selected differentially expressed proteins (DEPs) were validated by Western blotting and quantitative PCR (qPCR)...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28345627/heterologous-protein-dna-interactions-lead-to-biased-allelic-expression-of-circadian-clock-genes-in-interspecific-hybrids
#12
Danny W-K Ng, Helen H Y Chen, Z Jeffrey Chen
Genomic interactions in allopolyploids create expression variation of homoeologous alleles through protein-protein and protein-DNA interactions. However, the molecular basis for this is largely unknown. Here we investigated the protein-protein and protein-DNA interactions among homoeologous transcription factors in the circadian-clock feedback loop, consisting of CCA1 HIKING EXPEDITION (CHE), CIRCADIAN CLOCK ASSOCIATED1 (CCA1), and TIMING OF CAB EXPRESSION1 (TOC1), plus the interaction with a chromatin factor, HISTONE DEACETYLASE1 (HD1)...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28345605/extracellular-matrix-protein-reelin-promotes-myeloma-progression-by-facilitating-tumor-cell-proliferation-and-glycolysis
#13
Xiaodan Qin, Liang Lin, Li Cao, Xinwei Zhang, Xiao Song, Jie Hao, Yan Zhang, Risheng Wei, Xiaojun Huang, Jin Lu, Qing Ge
Reelin is an extracellular matrix protein that is crucial for neuron migration, adhesion, and positioning. We examined the expression of Reelin in a large cohort of multiple myeloma patients recorded in Gene Expression Omnibus (GEO) database and used over-expression and siRNA knockdown of Reelin to investigate the role of Reelin in myeloma cell growth. We find that Reelin expression is negatively associated with myeloma prognosis. Reelin promotes myeloma cell proliferation in vitro as well as in vivo. The Warburg effect, evidenced by increased glucose uptake and lactate production, is also enhanced in Reelin-expressing cells...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28345582/enhancing-titres-of-therapeutic-viral-vectors-using-the-transgene-repression-in-vector-production-trip-system
#14
H E Maunder, J Wright, B R Kolli, C R Vieira, T T Mkandawire, S Tatoris, V Kennedy, S Iqball, G Devarajan, S Ellis, Y Lad, N G Clarkson, K A Mitrophanous, D C Farley
A key challenge in the field of therapeutic viral vector/vaccine manufacturing is maximizing production. For most vector platforms, the 'benchmark' vector titres are achieved with inert reporter genes. However, expression of therapeutic transgenes can often adversely affect vector titres due to biological effects on cell metabolism and/or on the vector virion itself. Here, we exemplify the novel 'Transgene Repression In vector Production' (TRiP) system for the production of both RNA- and DNA-based viral vectors...
March 27, 2017: Nature Communications
https://www.readbyqxmd.com/read/28345552/relationship-between-hepatitis-c-virus-infection-and-iron-overload
#15
REVIEW
Dong-Mei Zou, Wan-Ling Sun
OBJECTIVE: The aim of this study was to summarize the interactions between hepatitis C virus (HCV) infection and iron overload, and to understand the mechanisms of iron overload in chronic hepatitis C (CHC) and the role iron plays in HCV life cycle. DATA SOURCES: This review was based on data in articles published in the PubMed databases up to January 28, 2017, with the keywords "hepatitis C virus", "iron overload", "iron metabolism", "hepcidin", "translation", and "replication"...
April 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28345060/genome-reduction-and-microbe-host-interactions-drive-adaptation-of-a-sulfur-oxidizing-bacterium-associated-with-a-cold-seep-sponge
#16
Ren-Mao Tian, Weipeng Zhang, Lin Cai, Yue-Him Wong, Wei Ding, Pei-Yuan Qian
As the most ancient metazoan, sponges have established close relationships with particular microbial symbionts. However, the characteristics and physiology of thioautotrophic symbionts in deep-sea sponges are largely unknown. Using a tailored "differential coverage binning" method on 22-Gb metagenomic sequences, we recovered the nearly complete genome of a sulfur-oxidizing bacterium (SOB) that dominates the microbiota of the cold seep sponge Suberites sp. Phylogenetic analyses suggested that this bacterium (an unclassified gammaproteobacterium termed "Gsub") may represent a new deep-sea SOB group...
March 2017: MSystems
https://www.readbyqxmd.com/read/28344547/app-function-and-lipids-a-bidirectional-link
#17
REVIEW
Marcus O W Grimm, Janine Mett, Heike S Grimm, Tobias Hartmann
Extracellular neuritic plaques, composed of aggregated amyloid-β (Aβ) peptides, are one of the major histopathological hallmarks of Alzheimer's disease (AD), a progressive, irreversible neurodegenerative disorder and the most common cause of dementia in the elderly. One of the most prominent risk factor for sporadic AD, carrying one or two aberrant copies of the apolipoprotein E (ApoE) ε4 alleles, closely links AD to lipids. Further, several lipid classes and fatty acids have been reported to be changed in the brain of AD-affected individuals...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28344405/biochemical-components-of-seminal-plasma-and-their-correlation-to-the-fresh-seminal-characteristics-in-marwari-stallions-and-poitou-jacks
#18
Thirumala Rao Talluri, Gorakh Mal, Sanjay Kumar Ravi
AIM: To investigate various biochemical components of seminal plasma in Marwari stallions and Poitou Jacks and to find out their correlation with that of the seminal characteristics. MATERIALS AND METHODS: In this study, semen was collected from six Marwari stallions and six Poitou jacks aged from 4 to 6 years and with known fertility status. The semen collection from the stallions were collected during the breeding season, i.e., between the months of April and June...
February 2017: Veterinary World
https://www.readbyqxmd.com/read/28344346/choroid-plexus-aquaporin-1-and-intracranial-pressure-are-increased-in-obese-rats-towards-an-idiopathic-intracranial-hypertension-model
#19
M Uldall, D K Bhatt, C Kruuse, M Juhler, I Jansen-Olesen, R Jensen
BACKGROUND/OBJECTIVES: Idiopathic intracranial hypertension (IIH) is a condition of increased intracranial pressure (ICP) without identifiable cause. The majority of IIH patients are obese, which suggests a connection between ICP and obesity. The aim of the study was to compare ICP in lean and obese rats. We also aimed to clarify if any ICP difference could be attributed to changes in some well-known ICP modulators; retinol and arterial partial pressure of CO2 (pCO2). Another potential explanation could be differences in water transport across the choroid plexus (CP) epithelia, and thus we furthermore investigated expression profiles of aquaporin 1 and Na/K ATPase...
March 27, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28344128/high-sucrose-induced-maternal-obesity-disrupts-ovarian-function-and-decreases-fertility-in-drosophila-melanogaster
#20
Rita T Brookheart, Alison R Swearingen, Christina A Collins, Laura M Cline, Jennifer G Duncan
As the obesity epidemic worsens, the prevalence of maternal obesity is expected to rise. Both high-fat and high-sucrose diets are known to promote maternal obesity and several studies have elucidated the molecular influence of high-fat feeding on female reproduction. However, to date, the molecular impact of a high-sucrose diet on maternal obesity remains to be investigated. Using our previously reported Drosophila high-sucrose maternal obesity model, we sought to determine how excess dietary sucrose impacted the ovary...
March 24, 2017: Biochimica et Biophysica Acta
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