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https://www.readbyqxmd.com/read/28527131/impact-of-muscarinic-m3-receptor-antagonism-on-the-risk-of-type-2-diabetes-in-antidepressant-treated-patients-a-case-controlled-study
#1
Yen-Hao Tran, Catharina C M Schuiling-Veninga, Jorieke E H Bergman, Henk Groen, Bob Wilffert
BACKGROUND: M3 muscarinic receptor antagonism has been associated with glucose intolerance and disturbance of insulin secretion. OBJECTIVE: Our objective was to examine the risk of type 2 diabetes mellitus (T2DM) in patients using antidepressants with and without M3 muscarinic receptor antagonism (AD_antaM3 and AD_nonantaM3, respectively). METHODS: We designed a case-control study using a pharmacy prescription database. We selected a cohort of patients who initiated antidepressant use between the ages of 20 and 40 years and who did not receive any anti-diabetic prescriptions at baseline...
May 19, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28526951/pyrocincholic-acid-3%C3%AE-o-%C3%AE-d-quinovopyranosyl-28-o-%C3%AE-d-glucopyranoside-suppresses-adipogenesis-and-regulates-lipid-metabolism-in-3t3-l1-adipocytes
#2
Li Peng, Yanting Lu, Yuhui Xu, Jing Hu, Fang Wang, Yumei Zhang, Wenyong Xiong
Obesity is crucially involved in many metabolic diseases, such as type 2 diabetes, cardiovascular disease and cancer. Regulating the number or size of adipocytes has been suggested to be a potential treatment for obesity. In this study, we investigated the effect of pyrocincholic acid 3β-O-β-D-quinovopyranosyl-28-O-β-D-glucopyranoside (PAQG), a 27-nor-oleanolic acid saponin extracted from Metadina trichotoma, on adipogenesis and lipid metabolism in 3T3-L1 adipocytes. The 3T3-L1 pre-adipocytes were incubated with vehicle or PAQG for 6 days in differentiation process...
May 19, 2017: Natural Products and Bioprospecting
https://www.readbyqxmd.com/read/28526920/effects-of-semaglutide-on-beta-cell-function-and-glycaemic-control-in-participants-with-type-2-diabetes-a-randomised-double-blind-placebo-controlled-trial
#3
Christoph Kapitza, Kirsten Dahl, Jacob B Jacobsen, Mads B Axelsen, Anne Flint
AIMS/HYPOTHESIS: Semaglutide is a glucagon-like peptide-1 analogue in development for the treatment of type 2 diabetes. Its effects on first- and second-phase insulin secretion and other measures of beta cell function and glycaemic control were assessed. METHODS: In this single-centre, double-blind, placebo-controlled, parallel-group trial, conducted at the Profil Institut für Stoffwechselforschung, Germany, 75 adult (aged 18-64 years) participants with type 2 diabetes (eligibility: HbA1c of 6...
May 19, 2017: Diabetologia
https://www.readbyqxmd.com/read/28521883/treatment-with-high-dose-salicylates-improves-cardiometabolic-parameters-meta-analysis-of-randomized-controlled-trials
#4
Estifanos Baye, Negar Naderpoor, Marie Misso, Helena Teede, Lisa J Moran, Barbora de Courten
INTRODUCTION: There is conflicting evidence regarding the efficacy of high dose salicylates in improving cardiometabolic risk in healthy and type 2 diabetes patients. We aimed to determine whether treatment with salicylates at an anti-inflammatory dose (≥1g daily) would improve cardiometabolic risk in healthy individuals and type 2 diabetes patients, compared to placebo. METHODS: Medline, Medline-in-process, Embase, and all EBM databases were searched for studies published up to December 2016...
June 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28521806/high-density-lipoprotein-promoting-proliferation-and-migration-of-type-ii-alveolar-epithelial-cells-during-inflammation-state
#5
Zhongji Yu, Jingru Jin, Yuhui Wang, Jian Sun
BACKGROUND: To investigate the effect and mechanism of high density lipoprotein (HDL) on type II alveolar epithelial cells during inflammation state. METHODS: The original generation of type II alveolar epithelial cells were separated in rats and treated with PBS/LPS/HDL/HDL + LPS. To observe the proliferation and migration of type II alveolar epithelial cells with bromodeoxyuridine(BrdU) assay, transwell assay and wound healing experiments. In addition, western blot detected the expression of TP-binding cassette transporter A1 (ABCA1), cystic fibrosis transmembrane conductance regulator (CFTR) and the phosphorylation of AKT/extracellular signal-regulated kinase(ERK)/mitogen-activated protein kinase(MAPK)...
May 18, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28515123/all-trans-retinoic-acid-prevents-osteosarcoma-metastasis-by-inhibiting-m2-polarization-of-tumor-associated-macrophages
#6
Qian Zhou, Miao Xian, Senfeng Xiang, Danyan Xiang, Xuejing Shao, Jincheng Wang, Ji Cao, Xiaochun Yang, Bo Yang, Meidan Ying, Qiaojun He
M2-polarized tumor associated macrophages (TAM) play a critical role in cancer invasion and metastasis. Here, we report that M2 macrophages enhanced metastasis of K7M2 WT osteosarcoma cells to the lung in mice, thus establishing M2 TAMs as a therapeutic target for blocking osteosarcoma metastasis. We found that all-trans retinoic acid (ATRA) inhibited osteosarcoma metastasis via inhibiting the M2 polarization of TAMs. ATRA suppressed IL13 or IL4 induced M2-type macrophages, and then inhibited migration of osteosarcoma cells as promoted by M2-type macrophages in vitro ATRA reduced the number of pulmonary metastatic nodes of osteosarcoma and decreased expression of M2-type macrophages in metastatic nodes both in intravenous injection and orthotopic transplantation models...
May 17, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28513416/the-role-of-esx-1-in-mycobacterium-tuberculosis-pathogenesis
#7
Ka-Wing Wong
In this article, we have described several cellular pathological effects caused by the Mycobacterium tuberculosis ESX-1. The effects include induction of necrosis, NOD2 signaling, type I interferon production, and autophagy. We then attempted to suggest that these pathological effects are mediated by the cytosolic access of M. tuberculosis-derived materials as a result of the phagosome-disrupting activity of the major ESX-1 substrate ESAT-6. Such activity of ESAT-6 is most likely due to its pore-forming activity at the membrane...
May 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28513004/effects-of-encapsulated-porcine-islets-on-glucose-and-c-peptide-concentrations-in-diabetic-nude-mice-6%C3%A2-months-after%C3%A2-intraperitoneal-transplantation
#8
Masuhiro Nishimura, Naho Iizuka, Yasutaka Fujita, Osamu Sawamoto, Shinichi Matsumoto
BACKGROUND: In patients with type 1 diabetes, allogeneic islet transplantation can provide normal HbA1c concentrations, but it requires immunosuppression. Transplanting encapsulated islets into the peritoneal cavity could reduce or eliminate the need for immunosuppression. One of the uncertain features of intraperitoneal islet transplantation is the difficulty of measuring C-peptide concentrations in peripheral blood, which is often used for the marker of islet function. We hypothesized that secreted C-peptide from intraperitoneally transplanted islets was mostly consumed in the peritoneal cavity, which resulted in low C-peptide concentrations in peripheral blood...
May 16, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28512424/optical-coherence-tomography-angiography-of-retinal-microvascular-changes-overlying-choroidal-nodules-in-neurofibromatosis-type-1
#9
Catherine Cassiman, Ingele Casteels, Peter Stalmans, Eric Legius, Julie Jacob
PURPOSE: To report 3 cases of neurofibromatosis type 1 (NF1) with choroidal nodules associated with retinal microvascular changes imaged with optical coherence tomography angiography (OCTA). METHODS: Small case series in 3 NF1 patients. OCTA examinations were performed by a trained examiner (J.J.) after pupillary dilation. A standard scan, centered over the macula measuring 6 × 6 mm and 3 × 3 mm was obtained according to the findings on standard color photography...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28512155/functional-high-intensity-training-improves-pancreatic-%C3%AE-cell-function-in-adults-with-type-2-diabetes
#10
Stephan Nieuwoudt, Ciarán E Fealy, Julie A Foucher, Amanda R Scelsi, Steven K Malin, Mangesh R Pagadala, Michael Rocco, Bartolome Burguera, John P Kirwan
Type 2 diabetes (T2D) is characterized by reductions in β-cell function and insulin secretion on the background of elevated insulin resistance. Aerobic exercise has been shown to improve β-cell function, despite a subset of T2D patients displaying "exercise resistance". Further investigations into the effectiveness of alternate forms of exercise on β-cell function in the T2D patient population are needed. We examined the effect of a novel 6-week CrossFit™ Functional High Intensity Training (F-HIT) intervention on β-cell function in 12 sedentary adults with clinically diagnosed T2D (54±2 years, 166±16 mg/dL fasting glucose)...
May 16, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28510418/conjugation-reaction-with-8-arm-peg-markedly-improves-the-immunogenicity-of-mycobacterium-tuberculosis-cfp10-tb10-4-fusion-protein
#11
Xiaowei Sun, Weili Yu, Quanhai Pang, Tao Hu
Mycobacterium tuberculosis (Mtb) is a serious fatal pathogen responsible for tuberculosis (TB). Effective vaccination is highly desired for immunoprotection against Mtb infection. CFP10 and TB10.4 are two important immunodominant Mtb-secreted protein antigens, which suffer from poor immunogenicity. Thus, an antigen delivery system and adjuvants are needed to improve the immunogenicity of the two proteins. CFP10 and TB10.4 are two Mtb-secreted immunodominant protein antigens. A CFP10-TB10.4 fusion protein (CT) was used as the antigen...
May 16, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28508449/satellite-glial-cells-in-human-trigeminal-ganglia-have-a-broad-expression-of-functional-toll-like-receptors
#12
Johanna G Mitterreiter, Werner J D Ouwendijk, Monique van Velzen, Gijsbert P van Nierop, Albert D M E Osterhaus, Georges M G M Verjans
Toll-like receptors (TLRs) orchestrate immune responses to a wide variety of danger- and pathogen-associated molecular patterns. Compared to the central nervous system (CNS), expression profile and function of TLRs in the human peripheral nervous system (PNS) are ill-defined. We analyzed TLR expression of satellite glial cells (SGCs) and microglia, glial cells predominantly involved in local immune responses in ganglia of the human PNS and normal-appearing white matter (NAWM) of the CNS, respectively. Ex vivo flow cytometry analysis of cell suspensions obtained from human cadaveric trigeminal ganglia (TG) and NAWM showed that both SGCs and microglia expressed TLR1-5, TLR7 and TLR9, although expression levels varied between these cell types...
May 15, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28508092/a-metabonomic-analysis-on-the-response-of-enterobacter-cloacae-from-coastal-outfall-for-land-based-pollutant-under-phoxim-stress
#13
Dijun Zhang, Shan He, Tinghong Ming, Chenyang Lu, Jun Zhou, Xiurong Su
Enterobacter cloacae is an opportunistic pathogen widely distributed in human and animal intestinal systems. The secretion of extended-spectrum β-lactamases (ESBLs) and cephalosporinase (AmpC) endows E. cloacae with strong drug resistance. In a previous study by our group, protein expression of E. cloacae under phoxim stress was measured by two-dimensional electrophoresis. Here, nuclear magnetic resonance was used to detect differences in E. cloacae metabonomics when under phoxim stress. We determined that there are 29 types of metabolites that differ between phoxim stress and normal culture conditions...
May 15, 2017: Archives of Microbiology
https://www.readbyqxmd.com/read/28507064/tumor-necrosis-factor-receptor-associated-factor-6-traf6-mediates-ubiquitination-dependent-stat3-activation-upon-salmonella-typhimurium-infection
#14
Hai-Hua Ruan, Zhen Zhang, Su-Ying Wang, Logan M Nickels, Li Tian, Jian-Jun Qiao, Jun Zhu
Salmonella enterica serovar Typhimurium (S Typhimurium) can inject effector proteins into host cells via Type III secretion systems (T3SSs). These effector proteins modulate a variety of host transcriptional responses to facilitate bacterial growth and survival. Here, we show that S Typhimurium infection of host cells specifically induces ubiquitination of tumor necrosis factor receptor-associated factor 6 (TRAF6). This TRAF6 ubiquitination is triggered by the Salmonella pathogenicity island-1 (SPI-I) T3SS effectors SopB and SopE2...
May 15, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28507028/rig-i-like-receptor-triggering-by-dengue-virus-drives-dendritic-cell-immune-activation-and-th1-differentiation
#15
Joris K Sprokholt, Tanja M Kaptein, John L van Hamme, Ronald J Overmars, Sonja I Gringhuis, Teunis B H Geijtenbeek
Dengue virus (DENV) causes 400 million infections annually and is one of several viruses that can cause viral hemorrhagic fever, which is characterized by uncontrolled immune activation resulting in high fever and internal bleeding. Although the underlying mechanisms are unknown, massive cytokine secretion is thought to be involved. Dendritic cells (DCs) are the main target cells of DENV, and we investigated their role in DENV-induced cytokine production and adaptive immune responses. DENV infection induced DC maturation and secretion of IL-1β, IL-6, and TNF...
May 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28506774/immunomodulatory-and-protective-effects-of-adipose-tissue-derived-mesenchymal-stem-cells-in-an-allograft-islet-composite-transplantation-for-experimental-autoimmune-type-1-diabetes
#16
Jamal Mohammadi Ayenehdeh, Bahare Niknam, Shim Rasouli, Seyed Mahmoud Hashemi, Hossein Rahavi, Nima Rezaei, Masoud Soleimani, Ali Liaeiha, Mohammad Hossein Niknam, Nader Tajik
BACKGROUND: Allogeneic islet transplantation could be an ideal alternative therapy for Type 1 Diabetes Mellitus (T1DM). Adipose Tissue-derived Mesenchymal Stem Cells (AT-MSCs) characterized by immunomodulatory and protective effects may have the potential to improve the outcome of this highly immunogenic transplant. METHODS: Syngenic AT-MSCs along with allograft islets embedded in hydrogelic composite and transplanted intraperitoneally in Streptozotocin (STZ) induced diabetic C57BL/6 mice...
May 12, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28503260/dynamics-of-hexavalent-chromium-in-four-types-of-aquaculture-ponds-and-its-effects-on-the-morphology-and-behavior-of-cultured-clarias-gariepinus-burchell-1822
#17
Moshood Keke Mustapha
Hexavalent chromium is a bio accumulative toxic metal in water and fish. It enters aquaculture ponds mainly through anthropogenic sources. Hexavalent chromium concentrations and its effects on the morphology and behavior of Clarias gariepinus were investigated from four aquaculture ponds for 12 weeks. Chromium was measured using diphenyl carbohdrazide method; alkalinity and hardness were measured using colometric method and analyzed with Bench Photometer. Temperature and pH were measured using pH/EC/TDS/Temp combined tester...
April 2017: Toxicological Research
https://www.readbyqxmd.com/read/28502112/sglt2-inhibitor-luseogliflozin-added-to-glucagon-like-peptide-1-receptor-agonist-liraglutide-improves-glycemic-control-with-bodyweight-and-fat-mass-reductions-in-japanese-patients-with-type-2-diabetes-a-52-week-open-label-single-arm-study
#18
Yutaka Seino, Daisuke Yabe, Takashi Sasaki, Atsushi Fukatsu, Hisae Imazeki, Hidekazu Ochiai, Soichi Sakai
AIMS/INTRODUCTION: To evaluate the safety and efficacy of luseogliflozin added to liraglutide monotherapy in Japanese individuals with type 2 diabetes (T2D). MATERIALS AND METHODS: This 52-week, multicenter, open-label, single-arm clinical study enrolled Japanese patients who had inadequate glycemic control with diet/exercise and liraglutide monotherapy. Major efficacy endpoints included the changes from baseline in HbA1c, fasting plasma glucose (FPG), and bodyweight...
May 14, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28500733/bordetella-effector-bopn-is-translocated-into-host-cells-via-its-n-terminal-residues
#19
Akio Abe, Ryutaro Nishimura, Asaomi Kuwae
Bordetella bronchiseptica infects a wide variety of mammals, and the type III secretion system (T3SS) is involved in the long-term colonization of Bordetella in the trachea and lung. The T3SS translocates virulence factors (commonly referred to as effectors) into host cells, leading to alteration of the host physiological function. The Bordetella effectors BopN and BteA are known to have roles in the up-regulation of IL-10 and the cytotoxicity, respectively. Nevertheless, the mechanism by which BopN is translocated into host cells has not been examined in sufficient detail...
May 13, 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28495880/sox4-allows-facultative-%C3%AE-cell-proliferation-through-repression-of-cdkn1a
#20
Eric E Xu, Shugo Sasaki, Thilo Speckmann, Cuilan Nian, Francis C Lynn
The HMG-box transcription factor, SOX4, is the most highly expressed SOX family protein in pancreatic islets, and mutations in Sox4 are associated with an increased risk of developing type 2 diabetes. We utilized an inducible β-cell knockout mouse model to test the hypothesis that Sox4 is essential for the maintenance of β-cell number during the development of type 2 diabetes. Knockout of Sox4 at 6 weeks of age resulted in time-dependent worsening of glucose tolerance, impairment of insulin secretion, and diabetes by 30 weeks of age...
May 11, 2017: Diabetes
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