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https://www.readbyqxmd.com/read/29334697/sepsis-induced-activation-of-endogenous-glp-1-system-is-enhanced-in-type-2-diabetes
#1
Sivan H Perl, Olga Bloch, Dana Zelnic-Yuval, Itamar Love, Lior Mendel-Cohen, Hadar Flor, Micha J Rapoport
BACKGROUND: High levels of circulating GLP-1 are associated with severity of sepsis in critically ill non-diabetic patients. Whether type 2 diabetes (T2D) patients display different activation of the endogenous GLP-1 system during sepsis and whether it is affected by diabetes related metabolic parameters is not known. METHODS: Serum levels of GLP-1 (total and active forms) and its inhibitor enzyme sDPP-4 were determined by ELISA on admission and after 2-4 days in 37 sepsis patients with (n=13) and without T2D (n=24) and compared to normal healthy controls (n=25)...
January 15, 2018: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/29334696/mast-cells-participate-in-chronic-low-grade-inflammation-within-adipose-tissue
#2
REVIEW
P Żelechowska, J Agier, E Kozłowska, E Brzezińska-Błaszczyk
Obesity is reckoned as one of the civilization diseases, posing a considerable global health issue. Evidence points towards a contribution of multitude immune cell populations in obesity pathomechanism and the development of chronic low-grade inflammation in the expanded adipose tissue. Notably, adipose tissue is a reservoir of mast cells which number in individuals with obesity particularly increased. Some of them tend to degranulation what generate secretion of strong pro-inflammatory and regulatory mediators, as well as cytokines/chemokines...
January 15, 2018: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29334684/aberrant-connectivity-in-mild-cognitive-impairment-and-alzheimer-disease-revealed-by-multimodal-neuroimaging-data
#3
Qing Li, Xia Wu, Fufang Xie, Kewei Chen, Li Yao, Jiacai Zhang, Xiaojuan Guo, Rui Li
BACKGROUND: Making use of multimodal data simultaneously to understand the neural mechanism of mild cognitive impairment (MCI) has been in the focus nowadays. The simultaneous use of multimodal data can take advantage of each modality which may only provide the view of one specific aspect of the brain. OBJECTIVE: To this end, the present study used structural magnetic resonance imaging (sMRI), fluorodeoxyglucose positron emission tomography (FDG-PET) and florbetapir PET to reveal the integrated brain network between MCI and normal controls (NCs)...
January 13, 2018: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/29334664/methyl-dehydroabietate-counters-high-fat-diet-induced-insulin-resistance-and-hepatic-steatosis-by-modulating-peroxisome-proliferator-activated-receptor-signaling-in-mice
#4
Hiroki Yoshioka, Yuki Mizuno, Tomohiro Yamaguchi, Yoshimi Ichimaru, Koichi Takeya, Yukio Hitotsuyanagi, Tsunemasa Nonogaki, Yutaka Aoyagi
The aim of this study was to investigate the therapeutic effects of methyl dehydroabietate (mDA) on adipocyte differentiation in 3T3-L1 preadipocytes and obesity characteristics induced by high-fat diet (HFD) in mice. Adipocyte differentiation in 3T3-L1 cells was evaluated after 14 days of incubation with mDA. mDA enhanced adipocyte differentiation in 3T3-L1 cells. For the in vivo evaluation, five-week-old male C57BL/6J mice were fed HFD or normal CE-2 diet (control) for eight weeks. During the experimental period, mice were administered mDA (50 mg/kg, p...
January 12, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29334651/effects-of-perinatal-fluoride-exposure-on-the-expressions-of-mir-124-and-mir-132-in-hippocampus-of-mouse-pups
#5
Jixiang Wang, Yuliang Zhang, Zhenzhen Guo, Rui Li, Xingchen Xue, Zilong Sun, Ruiyan Niu
To investigate the effects of perinatal fluoride exposure on learning and memory ability of mouse offspring, ICR female mice were received different doses of sodium fluoride (0, 25, 50, 100 mg/L NaF) from pregnant day 7 to lactational day 21. Pups were exposed to fluoride through the cord blood and breast milk. Open field test showed that compared to the control group, perinatal fluoride exposure significantly decreased the number of entries into the center zone in 100 mg/L NaF group. In the eight-arm maze test, the number of working memory errors, reference memory errors, and the total arm entries were significantly increased in fluoride treatment groups, compared to the control group...
January 8, 2018: Chemosphere
https://www.readbyqxmd.com/read/29334640/not-single-brain-areas-but-a-network-is-involved-in-language-applications-in-presurgical-planning
#6
Razieh Alemi, Seyed Amir Hossein Batouli, Ebrahim Behzad, Mitra Ebrahimpoor, Mohammad Ali Oghabian
OBJECTIVES: Language is an important human function, and is a determinant of the quality of life. In conditions such as brain lesions, disruption of the language function may occur, and lesion resection is a solution for that. Presurgical planning to determine the language-related brain areas would enhance the chances of language preservation after the operation; however, availability of a normative language template is essential. PATIENTS AND METHODS: In this study, using data from 60 young individuals who were meticulously checked for mental and physical health, and using fMRI and robust imaging and data analysis methods, functional brain maps for the language production, perception and semantic were produced...
January 10, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29334623/an-alternative-carrier-solvent-for-fingermark-enhancement-reagents
#7
Izabela Olszowska, Paul Deacon, Maurice Lindsay, Adam Leśniewski, Joanna Niedziółka-Jönsson, Kevin Farrugia
Solstice® Performance Fluid (PF), trans-1-chloro-3,3,3-trifluoropropene, is presented as an alternative to HFE7100, methoxy-nonafluorobutane, as a carrier solvent in a number of chemical formulations used for the visualisation of latent fingermarks. The supply of HFE7100 may be at risk due to a recent European Union regulation to control global warming. Laboratory trials using split depletions and a pseudo-operational trial of 1000 porous samples have shown that Solstice® PF is a viable alternative to HFE7100 for the chemical formulations of ninhydrin and 1,2-indanedione...
December 11, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29334602/high-dose-metformin-plus-temozolomide-shows-increased-anti-tumor-effects-in-glioblastoma-in-vitro-and-in-vivo-compared-with-monotherapy
#8
Jung Eun Lee, Ji Hee Lim, Yong Kil Hong, Seung Ho Yang
Purpose: The purpose of the study is to investigate the efficacy of combined treatment with temozolomide (TMZ) and metformin for glioblastoma (GBM) in vitro and in vivo. Materials and Methods: We investigated the efficacy of combined treatment with TMZ and metformin using cell viability and apoptosis assays. A GBM orthotopic mice model was established by inoculation of 5x105 U87 cells and treated with metformin, TMZ, and the combination for 4 weeks. Western blotting and immunofluorescence of tumor specimens were analyzed to investigate AMP-activated protein kinase (AMPK) and AKT pathway...
January 10, 2018: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/29334588/molecular-wire-effects-in-phenyleneethynylene-oligomers-surprising-insights
#9
Uwe Heiko Bunz, Marcel Hergert, Markus Bender, Kai Seehafer
We report the synthesis and quenching behavior of a series of water soluble, carboxylate-carrying phenyleneethynylene oligomers - monomer to tetramer - and their polymers and investigate their quenching behavior with different test analytes (paraquat, lead salts, mercury salts, picric acid, methylpyridinium iodide) in water and compare the results to that of the conjugated polymer. We find significant but analyte-dependent enhancement effects. For monovalent quenchers only the molecular wire effect applies but for divalent quenchers multivalency effects are also important...
January 15, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29334584/in-vitro-and-in-vivo-metabolite-identification-of-a-novel-benzimidazole-compound-zln005-by-lc-ms-ms
#10
Wenchao Sun, Khoa Dinh Nguyen, William L Fitch, Samuel D Banister, Hongxiang Tang, Xiaolan Zhang, Lewis Yu, Edgar G Engleman, Jayakumar Rajadas
RATIONALE: A novel benzimidazole compound ZLN005 was previously identified as a transcriptional activator of peroxisome proliferator-activated receptor γ coactivator 1α (PGC-1α) in certain metabolic tissues. Upregulation of PGC-1α by ZLN005 has been shown to have beneficial effect in a diabetic mouse model and in a coronary artery disease model in vitro. ZLN005 could also have therapeutic potential in neurodegenerative diseases involving down-regulation of PGC-1α. Given the phenotypic efficacy of ZLN005 in several animal models of human disease, its metabolic profile was investigated to guide the development of novel therapeutics using ZLN005 as the lead compound...
January 15, 2018: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/29334574/improved-long-term-volume-retention-of-svf-gel-grafting-with-enhanced-angiogenesis-and-adipogenesis
#11
Yuteng Zhang, Junrong Cai, Tao Zhou, Yao Yao, Ziqing Dong, Feng Lu
BACKGROUND: The apoptosis of mature adipocytes after fat grafting can result in chronic inflammation, absorption, and fibrosis, leading to unpredictable outcomes. Selective elimination of mature adipocytes may result in better outcomes and a different underlying retention mode. We previously developed a mature-adipocyte-free product, SVF-gel, derived from lipoaspirate, which eliminates adipocytes while preserving the stromal vascular fraction. This study investigated the retention and regeneration mode of SVF-gel grafting...
January 10, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29334515/facilitating-adoption-of-an-electronic-documentation-system
#12
Nazarine T Jones, Charlotte Seckman
Best practice recommends the integration of clinical documentation into the hospital electronic health record to support safe, efficient, and timely patient care. A major barrier to successful adoption and optimization of computerized documentation systems is user satisfaction. The purpose of this descriptive, performance improvement initiative was to implement and evaluate user satisfaction with an electronic documentation system to facilitate successful adoption. The Clinical Procedure Flowsheets application was implemented in a geriatric extended care unit of a large healthcare system...
January 12, 2018: Computers, Informatics, Nursing: CIN
https://www.readbyqxmd.com/read/29334500/overexpression-of-%C3%A2%C2%B5-opioid-receptors-in-peripheral-afferents-but-not-in-combination-with-enkephalin-decreases-neuropathic-pain-behavior-and-enhances-opioid-analgesia-in-mouse
#13
Amanda H Klein, Husam K Mohammad, Rabiah Ali, Brad Peper, Steven P Wilson, Srinivasa N Raja, Matthias Ringkamp, Sarah Sweitzer
BACKGROUND: The current study used recombinant herpes simplex virus type I to increase expression of µ-opiate receptors and the opioid ligand preproenkephalin in peripheral nerve fibers in a mouse model of neuropathic pain. It was predicted that viral vector delivery of a combination of genes encoding the µ-opioid receptor and preproenkephalin would attenuate neuropathic pain and enhance opioid analgesia. The behavioral effects would be paralleled by changes in response properties of primary afferent neurons...
January 15, 2018: Anesthesiology
https://www.readbyqxmd.com/read/29334496/oxygen-in-the-critically-ill-friend-or-foe
#14
Elisa Damiani, Abele Donati, Massimo Girardis
PURPOSE OF REVIEW: To examine the potential harmful effects of hyperoxia and summarize the results of most recent clinical studies evaluating oxygen therapy in critically ill patients. RECENT FINDINGS: Excessive oxygen supplementation may have detrimental pulmonary and systemic effects because of enhanced oxidative stress and inflammation. Hyperoxia-induced lung injury includes altered surfactant protein composition, reduced mucociliary clearance and histological damage, resulting in atelectasis, reduced lung compliance and increased risk of infections...
January 12, 2018: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/29334492/anti-il-10-mediated-enhancement-of-antitumor-efficacy-of-a-dendritic-cell-targeting-mip3%C3%AE-gp100-vaccine-in-the-b16f10-mouse-melanoma-model-is-dependent-on-type-i-interferons
#15
James T Gordy, Kun Luo, Brian Francica, Charles Drake, Richard B Markham
The chemokine MIP3α (CCL20) binds to CCR6 on immature dendritic cells. Vaccines fusing MIP3α to gp100 have been shown to be effective in therapeutically reducing melanoma tumor burden and prolonging survival in a mouse model. Other studies have provided evidence that interleukin-10 (IL-10) neutralizing antibodies (αIL-10) enhance immunologic melanoma therapies by modulating the tolerogenic tumor microenvironment. In the current study, we have utilized the B16F10 syngeneic mouse melanoma model to demonstrate for the first time that a therapy neutralizing IL-10 enhances the antitumor efficacy of a MIP3α-gp100 DNA vaccine, leading to significantly smaller tumors, slower growing tumors, and overall increases in mouse survival...
January 12, 2018: Journal of Immunotherapy
https://www.readbyqxmd.com/read/29334482/carbon-nanotubes-within-polymer-matrix-can-synergistically-enhance-mechanical-energy-dissipation
#16
Taimoor Ashraf Ashraf, Meelad Ranaiefar, Sumit Khatri, Jamshid Kavosi, Frank Gardea, Bryan Glaz, Mohammad Naraghi
Safe operation and health of structures relies on their ability to effectively dissipate undesired vibrations, which could otherwise significantly reduce the life-time of a structure due to fatigue loads or large deformations. To address this issue, nanoscale fillers, such as carbon nanotubes (CNTs), have been utilized to dissipate mechanical energy in polymer-based nanocomposites through filler-matrix interfacial friction by benefitting from their large interface area with the matrix. In this manuscript, for the first time, we experimentally investigate the effect of CNT alignment with respect to reach other and their orientation with respect to the loading direction on vibrational damping in nanocomposites...
January 15, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29334480/strategies-for-enhancing-medical-student-resilience-student-and-faculty-member-perspectives
#17
Julia Farquhar, Robert Kamei, Arpana Vidyarthi
Objectives: To improve programs aimed to enhance medical student resiliency, we examined both medical student and faculty advisor perspectives on resiliency-building in an Asian medical school. Methods: In two separate focus groups, a convenience sample of 8 MD-PhD students and 8 faculty advisors were asked to identify strategies for enhancing resilience. Using thematic analysis, two researchers independently examined discussion transcripts and field notes and determined themes through a consensus process...
January 12, 2018: International Journal of Medical Education
https://www.readbyqxmd.com/read/29334463/torquoselective-mechanochemical-activation-of-the-staudinger-reaction-to-form-%C3%AE-lactams
#18
Dominik Marx, M Isabel Menendez
The Staudinger reaction yielding β-lactam rings via [2+2] cycloaddition is a torquoselective reaction where the stereochemistry of the product can be steered by suitable substituents. Although the mechanochemical ring-opening of β-lactams has been investigated recently, the force-assisted synthesis of this important functional four-ring motif remains unexplored. As it will be computationally demonstrated, mechanochemical activation greatly reduces the barrier of the rate limiting ring-closure step while, at the same time, preserves its torquoselectivity...
January 15, 2018: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29334461/enhanced-proton-loss-from-neutral-free-radicals-towards-carbon-centered-superacids
#19
John C Walton
Radical centers close to protons are known to enhance their dissociation. Investigation of the generality of this Radical Enhanced Deprotonation (RED-shift) phenomenon and the kinds of structures in which it operates are reported. The pKas for sulfinic, sulfonic, pentan-2,4-dione and Meldrum's acid species, with adjacent radicals centered on C-, N- and O-atoms, were computed by a DFT method from free energies of deprotonation. All series showed significant RED-shifts that increased with the electronegativity of the radical center...
January 15, 2018: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29334442/a-rare-initial-presentation-of-primary-diffuse-leptomeningeal-pnet-in-a-10-year-old-male
#20
Peter Paul Lim, Jagadeesh Ramdas, Michal Ann Miller, Conrad Schuerch, George Wu
Primary leptomeningeal primitive neuroectodermal tumors (PNETs) are extremely rare childhood central nervous system malignancies harboring a very poor prognosis. There is no consensus treatment for these tumors to date. We report a case of a 10-year-old male who presented with mental status change, hydrocephalus, intracranial and spinal diffuse leptomeningeal enhancement without a primary mass upon cranial imaging and a negative initial biopsy until five months into his presentation. He responded significantly well to initial chemotherapy and radiotherapy...
December 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
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