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https://www.readbyqxmd.com/read/28934819/the-role-of-gut-hormones-in-diet-induced-weight-change-a-systematic-review
#1
Xue Zhao, Qing Han, Xiaokun Gang, You Lv, Yujia Liu, Chenglin Sun, Guixia Wang
Gut hormones are known to play an important role in long-term weight loss maintenance after bariatric surgery. However, the interplay between gut hormones and diet-induced weight changes remains unclear. Our aims were to evaluate the alterations of gut hormones in diet-induced weight loss, weight maintenance, and weight regain periods. Available studies were searched on MEDLINE, EMASE, ClinicalTrials.gov, the Cochrane Library, and Web of science from inception to October 2016. After selection, 16 studies with 656 participants were included...
September 21, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28934801/increasing-rates-of-imaging-in-failed-back-surgery-syndrome-patients-implications-for-spinal-cord-stimulation
#2
S Harrison Farber, Jing L Han, Frank W Petraglia Iii, Robert Gramer, Siyun Yang, Promila Pagadala, Beth Parente, Jichun Xie, Jeffrey R Petrella, Shivanand P Lad
BACKGROUND: Failed back surgery syndrome (FBSS) has a high incidence following spinal surgery, is notoriously refractory to treatment, and results in high health care utilization. Spinal cord stimulation (SCS) is a well-accepted modality for pain relief in this population; however, until recently magnetic resonance imaging (MRI) was prohibited due to risk of heat conduction through the device. OBJECTIVES: We examined trends in imaging use over the past decade in patients with FBSS to determine its impact on health care utilization and implications for patients receiving SCS...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28934728/has-toxicity-testing-moved-into-the-21st-century-a-survey-and-analysis-of-perceptions-in-the-field-of-toxicology
#3
Virginia Zaunbrecher, Elizabeth Beryt, Daniela Parodi, Donatello Telesca, Joseph Doherty, Timothy Malloy, Patrick Allard
BACKGROUND: Ten years ago, leaders in the field of toxicology called for a transformation of the discipline and a shift from primarily relying on traditional animal testing to incorporating advances in biotechnology and predictive methodologies into alternative testing strategies (ATS). Governmental agencies and academic and industry partners initiated programs to support such a transformation, but a decade later, the outcomes of these efforts are not well understood. OBJECTIVES: We aimed to assess the use of ATS and the perceived barriers and drivers to their adoption by toxicologists and by others working in, or closely linked with, the field of toxicology...
August 30, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28934723/neural-mechanisms-underlying-the-disruption-of-male-courtship-behavior-by-adult-exposure-to-di-2-ethylhexyl-phthalate-in-mice
#4
Carlos Dombret, Daphné Capela, Kevin Poissenot, Caroline Parmentier, Emma Bergsten, Cédric Pionneau, Solenne Chardonnet, Hélène Hardin-Pouzet, Valérie Grange-Messent, Matthieu Keller, Isabelle Franceschini, Sakina Mhaouty-Kodja
BACKGROUND: Courtship behavior plays a critical role in attracting females and reproduction success. However, the effects of exposure to a ubiquitous contaminant di(2-ethylhexyl) phthalate (DEHP) on these behaviors and, in particular, on courtship vocalizations have not been examined. OBJECTIVE: The effects of adult exposure to DEHP on courtship and mating behaviors and gonadotropic axis and neural mechanisms involved in DEHP-induced effects were analyzed in male mice...
September 1, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28934708/different-partition-of-polycyclic-aromatic-hydrocarbon-on-environmental-particulates-in-freshwater-microplastics-in-comparison-to-natural-sediment
#5
Wenfeng Wang, Jun Wang
Microplastics pollution in the aquatic ecosystems has aroused increasing concerns in recent years. Though microplastics are known to sorb organic contaminants from water, the interaction mechanisms between microplastics and organic chemicals are not yet well understood. Here we investigated the partition characteristics of phenanthrene (Phe) in three mass-produced plastic particles, including polyethylene (PE), polystyrene (PS) and polyvinylchloride (PVC), and one natural sediment, as a comparison. The sorption kinetics of Phe onto microplastics and natural sediment were successfully described by the pseudo-second-order model (R(2) > 0...
September 18, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28934705/vitamin-c-the-next-step-in-sepsis-management
#6
REVIEW
J Teng, A Pourmand, M Mazer-Amirshahi
Sepsis is a life-threatening medical condition, affecting approximately 26 million people worldwide every year. The disease is a continuum, marked by dysregulated inflammation and hemodynamic instability leading to shock, multi-system organ dysfunction, and death. Over the past decades, there has been a focus on the early identification and treatment of sepsis primarily with bundled and goal directed therapy. Despite these advances, morbidity and mortality has remained high, prompting investigation into novel therapies...
September 18, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28934695/type-1-diabetes-and-viral-infections-what-is-the-relationship
#7
REVIEW
Nicola Principi, Maria Giulia Berioli, Sonia Bianchini, Susanna Esposito
Type 1 diabetes (T1D) is the most common chronic metabolic disorder in children. Epigenetic and environmental factors capable of altering the penetrance of major susceptibility genes or capable of increasing the penetrance of low-risk genes are currently thought to play a role in triggering autoimmunity and T1D development. This paper discusses the current knowledge of the role of viruses in T1D. Most studies that have evaluated the potential association between viral infections and T1D have indicated that it is highly likely that some of these infectious agents play a role in T1D development...
September 8, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28934685/use-of-food-waste-fish-waste-and-food-processing-waste-for-china-s-aquaculture-industry-needs-and-challenge
#8
Wing Yin Mo, Yu Bon Man, Ming Hung Wong
China's aquaculture industry is growing dramatically in recent years and now accounts for 60.5% of global aquaculture production. Fish protein is expected to play an important role in China's food security. Formulated feed has become the main diet of farmed fish. The species farmed have been diversified, and a large amount of 'trash fish' is directly used as feed or is processed into fishmeal for fish feed. The use of locally available food waste as an alternative protein source for producing fish feed has been suggested as a means of tackling the problem of sourcing safe and sustainable feed...
September 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28934669/transforming-growth-factor-beta-tgf-%C3%AE-mediates-cardiac-fibrosis-and-induces-diabetic-cardiomyopathy
#9
REVIEW
Yiyang Yue, Ke Meng, Yuejie Pu, Xiaoming Zhang
Cardiovascular diseases account for the major cause of morbidity and mortality among individuals with diabetes. The diabetic cardiomyopathy (DCM) is a type of diabetic cardiovascular disease, which further directs to the heart failure. The researchers found that diabetes induced cardiac fibrosis plays a vital role in several of the pathological changes that associated with DCM, causing left ventricular hypertrophy (LVH), diastolic dysfunction and systolic dysfunction. However, the mechanisms involved in the pathogenesis of DCM are still elusive...
September 1, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28934666/behavioral-approach-and-orbitofrontal-cortical-activity-during-decision-making-in-substance-dependence
#10
Dorothy J Yamamoto, Marie T Banich, Michael F Regner, Joseph T Sakai, Jody Tanabe
Behavioral approach, defined as behavior directed toward a reward or novel stimulus, when elevated, may increase one's vulnerability to substance use disorder. Behavioral approach has been associated with relatively greater left compared to right frontal activity; behavioral inhibition may be associated with relatively greater right compared to left frontal brain activity. We hypothesized that substance dependent individuals (SDI) would have higher behavioral approach than controls and greater prefrontal cortical activity during decision-making involving reward...
September 14, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28934649/cooperative-stimulation-of-atherogenesis-by-lipopolysaccharide-and%C3%A2-palmitic-acid-rich-high-fat-diet-in-low-density-lipoprotein-receptor-deficient-mice
#11
Zhongyang Lu, Yanchun Li, Colleen W Brinson, Maria F Lopes-Virella, Yan Huang
BACKGROUND AND AIMS: Either lipopolysaccharide (LPS) or high-fat diet (HFD) enriched with saturated fatty acid (SFA) promotes atherosclerosis. In this study, we investigated the effect of LPS in combination with SFA-rich HFD on atherosclerosis and how LPS and SFA interact to stimulate inflammatory response in vascular endothelial cells. METHODS: Low-density lipoprotein receptor-deficient (LDLR(-/-)) mice were fed a low-fat diet (LFD), HFD with low palmitic acid (PA) (LP-HFD), or HFD with high PA (HP-HFD) for 20 weeks...
September 9, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28934637/igf-system-targeted-therapy-therapeutic-opportunities-for-ovarian-cancer
#12
REVIEW
J A L Liefers-Visser, R A M Meijering, A K L Reyners, A G J van der Zee, S de Jong
The insulin-like growth factor (IGF) system comprises multiple growth factor receptors, including insulin-like growth factor 1 receptor (IGF-1R), insulin receptor (IR) -A and -B. These receptors are activated upon binding to their respective growth factor ligands, IGF-I, IGF-II and insulin, and play an important role in development, maintenance, progression, survival and chemotherapeutic response of ovarian cancer. In many pre-clinical studies anti-IGF-1R/IR targeted strategies proved effective in reducing growth of ovarian cancer models...
September 8, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28934614/development-of-mother-infant-interaction-in-tickling-play-the-relationship-between-infants-ticklishness-and-social-behaviors
#13
Konomi Ishijima, Koichi Negayama
This study examined the development of mother-infant tickling interaction and the relationship between infants' ticklishness and social behaviors including infants' looking at mothers' face, mothers' narrative tickling, and mothers' laughter. Twenty-two Japanese infants aged 5 months (n=10, five girls) and 7 months (n=12, four girls) and their mothers were videotaped. Results revealed that the mothers' narrative tickling was more frequent at 7 than at 5 months and the infants' strong ticklishness showed the same tendency...
September 18, 2017: Infant Behavior & Development
https://www.readbyqxmd.com/read/28934593/big-lessons-from-little-yeast-budding-and-fission-yeast-centrosome-structure-duplication-and-function
#14
Ann M Cavanaugh, Sue L Jaspersen
Centrosomes are a functionally conserved feature of eukaryotic cells that play an important role in cell division. The conserved γ-tubulin complex organizes spindle and astral microtubules, which, in turn, separate replicated chromosomes accurately into daughter cells. Like DNA, centrosomes are duplicated once each cell cycle. Although in some cell types it is possible for cell division to occur in the absence of centrosomes, these divisions typically result in defects in chromosome number and stability. In singlecelled organisms such as fungi, centrosomes [known as spindle pole bodies (SPBs)] are essential for cell division...
September 15, 2017: Annual Review of Genetics
https://www.readbyqxmd.com/read/28934553/the-y-chromosome-plays-a-protective-role-in-experimental-hypoxic-pulmonary-hypertension
#15
Soban Umar, Christine M Cunningham, Yuichiro Itoh, Shayan Moazeni, Mylene Vaillancourt, Shervin Sarji, Alex Centala, Arthur P Arnold, Mansoureh Eghbali
No abstract text is available yet for this article.
September 21, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28934514/new-bioinformatics-based-discrimination-formulas-for-differentiation-of-thalassemia-traits-from-iron-deficiency-anemia
#16
Abdul Hafeez Kandhro, Watshara Shoombuatong, Virapong Prachayasittikul, Pornlada Nuchnoi
Thalassemia traits (TTs) and iron deficiency anemia (IDA) are the most common disorders of hypochromic microcytic anemia (HMA). The present study aimed to differentiate TTs from IDA by analyzing discrimination formulas and provides comprehensive data of hemoglobin disorders prevalent in Pakistan. Among 12 published discrimination formulas, 6 formulas-MI, EF, G&K, RDWI, R, and HHI-were the most reliable to discriminate TTs from IDA. The failure cutoff values were improved by the random forest (RF) decision-tree approach...
August 1, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/28934487/supernalign-a-new-tool-for-flexible-superposition-of-homologous-rna-structures-and-inference-of-accurate-structure-based-sequence-alignments
#17
Pawel Piatkowski, Jagoda Jablonska, Adriana Zyla, Dorota Niedzialek, Dorota Matelska, Elzbieta Jankowska, Tomasz Walen, Wayne K Dawson, Janusz M Bujnicki
RNA has been found to play an ever-increasing role in a variety of biological processes. The function of most non-coding RNA molecules depends on their structure. Comparing and classifying macromolecular 3D structures is of crucial importance for structure-based function inference and it is used in the characterization of functional motifs and in structure prediction by comparative modeling. However, compared to the numerous methods for protein structure superposition, there are few tools dedicated to the superimposing of RNA 3D structures...
September 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28934477/a-structural-map-of-oncomir-1-at-single-nucleotide-resolution
#18
Saikat Chakraborty, Yamuna Krishnan
The miR-17-92a cluster, also known as 'oncomiR-1', is an RNA transcript that plays a pivotal regulatory role in cellular processes, including the cell cycle, proliferation and apoptosis. Its dysregulation underlies the development of several cancers. Oncomir-1 comprises six constituent miRNAs, each processed with different efficiencies as a function of both developmental time and tissue type. The structural mechanisms that regulate such differential processing are unknown, and this has impeded our understanding of the dysregulation of oncomiR-1 in pathophysiology...
September 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28934468/alyref-mainly-binds-to-the-5-and-the-3-regions-of-the-mrna-in-vivo
#19
Min Shi, Heng Zhang, Xudong Wu, Zhisong He, Lantian Wang, Shanye Yin, Bin Tian, Guohui Li, Hong Cheng
The TREX complex (TREX) plays key roles in nuclear export of mRNAs. However, little is known about its transcriptome-wide binding targets. We used individual cross-linking and immunoprecipitation (iCLIP) to identify the binding sites of ALYREF, an mRNA export adaptor in TREX, in human cells. Consistent with previous in vitro studies, ALYREF binds to a region near the 5' end of the mRNA in a CBP80-dependent manner. Unexpectedly, we identified PABPN1-dependent ALYREF binding near the 3' end of the mRNA. Furthermore, the 3' processing factor CstF64 directly interacts with ALYREF and is required for the overall binding of ALYREF on the mRNA...
September 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28934464/recruitment-and-delivery-of-the-fission-yeast-rst2-transcription-factor-via-a-local-genome-structure-counteracts-repression-by-tup1-family-corepressors
#20
Ryuta Asada, Miki Umeda, Akira Adachi, Satoshi Senmatsu, Takuya Abe, Hiroshi Iwasaki, Kunihiro Ohta, Charles S Hoffman, Kouji Hirota
Transcription factors (TFs) determine the transcription activity of target genes and play a central role in controlling the transcription in response to various environmental stresses. Three dimensional genome structures such as local loops play a fundamental role in the regulation of transcription, although the link between such structures and the regulation of TF binding to cis-regulatory elements remains to be elucidated. Here, we show that during transcriptional activation of the fission yeast fbp1 gene, binding of Rst2 (a critical C2H2 zinc-finger TF) is mediated by a local loop structure...
September 19, 2017: Nucleic Acids Research
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