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https://www.readbyqxmd.com/read/29793179/nano-strategies-for-berberine-delivery-a-natural-alkaloid-of-berberis
#1
REVIEW
Elaheh Mirhadi, Mehdi Rezaee, Bizhan Malaekeh-Nikouei
Berberine, as a phytochemical component of some medicinal Chinese herbs (most frequently Berberis vulgaris), is an isoquinoline alkaloid with many therapeutic effects including anti-viral, anti-microbial, anti-diarrhea, anti-inflammatory and anti-tumor effects. Berberine has some significant effects on type 2 diabetes through adenosine monophosphate-activated protein kinase activation, glycolysis stimulation, and mitochondrial function inhibition which subsequently improves both lipid and glucose metabolism...
May 21, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29793175/apolipoprotein-ciii-and-n-terminal-prohormone-b-type-natriuretic-peptide-as-independent-predictors-for-cardiovascular-disease-in-type-2-diabetes
#2
Marco Colombo, Helen C Looker, Bassam Farran, Felix Agakov, M Julia Brosnan, Paul Welsh, Naveed Sattar, Shona Livingstone, Paul N Durrington, D John Betteridge, Paul M McKeigue, Helen M Colhoun
BACKGROUND AND AIMS: Developing sparse panels of biomarkers for cardiovascular disease in type 2 diabetes would enable risk stratification for clinical decision making and selection into clinical trials. We examined the individual and joint performance of five candidate biomarkers for incident cardiovascular disease (CVD) in type 2 diabetes that an earlier discovery study had yielded. METHODS: Apolipoprotein CIII (apoCIII), N-terminal prohormone B-type natriuretic peptide (NT-proBNP), high sensitivity Troponin T (hsTnT), Interleukin-6, and Interleukin-15 were measured in baseline serum samples from the Collaborative Atorvastatin Diabetes trial (CARDS) of atorvastatin versus placebo...
May 21, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29793158/botulinum-toxin-type-a-affects-mechanics-of-non-injected-antagonistic-rat-muscles
#3
Filiz Ateş, Can A Yucesoy
Botulinum toxin type A (BTX-A) effects on the mechanics of non-injected antagonistic muscles are unknown. The aim was to test the following hypotheses in a rat model: BTX-A injected into gastrocnemius medialis (GM) and lateralis (GL) (1) decreases forces of the antagonistic tibialis anterior (TA) and extensor digitorum longus (EDL), (2) reduces length range of force exertion and (3) increases passive forces of the TA, and (4) changes inter-antagonistic and inter-synergistic epimuscular myofascial force transmission (EMFT)...
May 17, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29793139/the-use-of-low-intensity-pulsed-ultrasound-in-treating-delayed-union-of-fifth-metatarsal-fractures
#4
Kar Hao Teoh, Robert Whitham, Jenny F Wong, Kartik Hariharan
BACKGROUND: There are no studies looking at the success rate of low-intensity pulsed ultrasound (LIPUS) in fifth metatarsal fracture delayed unions to our knowledge. The aim of this study is to investigate the use of LIPUS treatment for delayed union of fifth metatarsal fractures. METHODS: A retrospective review of patients who were treated with LIPUS following a delayed union of fifth metatarsal fracture was conducted over a three-year period. RESULTS: There were thirty patients (9 males, 21 females) in this cohort...
January 31, 2018: Foot
https://www.readbyqxmd.com/read/29793136/effects-of-gestational-hypertension-and-pre-eclampsia-in-mrna-expression-of-fibrinolysis-genes-in-primary-cultured-human-umbilical-vein-endothelial-cells
#5
Irais Poblete-Naredo, Yury Rodríguez-Yáñez, Rogelio O Corona-Núñez, Stuart González-Monroy, Juan E Salinas, Arnulfo Albores
Hypertension disorders (HD) and pre-eclampsia (PRE) are leading causes of maternal deaths worldwide. PRE is associated with vascular endothelial dysfunction and with deregulation of the fibrinolysis pathway genes. Fibrinolysis is the fibrin clot hydrolysis process catalyzed by plasmin, a proteolytic enzyme formed from plasminogen. Plasminogen is cleaved by tissue-type (tPA) and urokinase-type (uPA) activators and inhibited by the plasminogen activator inhibitors type-1 (PAI-1) and type-2 (PAI-2). The whole process maintains blood hemostasis...
May 17, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29793132/ph-responsive-label-assisted-click-chemistry-triggered-sensitivity-amplification-for-ultrasensitive-electrochemical-detection-of-carbohydrate-antigen-24-2
#6
Yun Zheng, Lihua Zhao, Zhanfang Ma
Sensitivity amplification strategy by implementing click chemistry in the construction of biosensing interface can efficiently improve the performance of immunosensor. Herein, we developed a sandwich-type amperometric immunosensor for ultrasensitive detection of carbohydrate antigen 24-2 (CA 242) based on pH responsive label-assisted click chemistry triggered sensitivity amplification strategy. The sensitivity of amperometric immunosensor relies on the current response differences (ΔI) caused by per unit concentration target analyte...
May 15, 2018: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29793109/17%C3%AE-estradiol-as-precursors-of-cl-br-dbps-in-the-disinfection-process-of-different-water-samples
#7
Yanan Shao, Zihan Pan, Chuan Rong, Yinghui Wang, Hongxiang Zhu, Yuanyuan Zhang, Kefu Yu
During chlorine disinfection process, reactions between the disinfectant and 17β-estradiol (E2) lead to the formation of halogenated disinfection byproducts (DBPs) which can be a risk to both ecosystem and human health. The degradation and transformation products of E2 in sodium hypochlorite (NaClO) disinfection processes of different water samples were investigated. The reaction kinetics research showed that the degradation rates of E2 were considerably dependent on the initial pH value and the types of water samples...
May 21, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29793095/sex-hormones-affect-acute-and-chronic-stress-responses-in-sexually-dimorphic-patterns-consequences-for-depression-models
#8
Lei Guo, Yi-Xi Chen, Yu-Ting Hu, Xue-Yan Wu, Yang He, Juan-Li Wu, Man-Li Huang, Matthew Mason, Ai-Min Bao
BACKGROUND: Alterations in peripheral sex hormones may play an important role in sex differences in terms of stress responses and mood disorders. It is not yet known whether and how stress-related brain systems and brain sex steroid levels fluctuate in relation to changes in peripheral sex hormone levels, or whether the different sexes show different patterns. We aimed to investigate systematically, in male and female rats, the effect of decreased circulating sex hormone levels following gonadectomy on acute and chronic stress responses, manifested as changes in plasma and hypothalamic sex steroids and hypothalamic stress-related molecules...
May 21, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29793084/subthreshold-depression-among-diabetes-patients-in-beijing-cross-sectional-associations-among-sociodemographic-clinical-and-behavior-factors
#9
Dandan Wang, Lintao Shi, Leling Li, Xiaohui Guo, Yufeng Li, Yuan Xu, Shinan Yin, Qiaozhen Wu, Yu Yang, Xiaoming Zhuang, Yingli Gai, Quanmin Li, Yanjun Liu
BACKGROUND: This study explores the prevalence of subthreshold depression (SubD) and its association with factors in type 2 diabetes mellitus (T2DM) patients. METHODS: This cross-sectional study involved 808 outpatients with T2DM from ten hospitals in Beijing between September 2015 and January 2016. All participants completed the Patient Health Questionnaire 9-item (PHQ-9) to evaluate depressive status, with scores between 5 and 14 considered SubD. Conditional logistic regression was conducted to investigate the variables associated with SubD in T2DM patients...
May 18, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29793076/porcine-circovirus-type-2-inhibits-inter-%C3%AE-expression-by-targeting-karyopherin-alpha-3-in-pk-15-cells
#10
Jiansheng Li, Mingqing Lu, Bei Huang, Yingjun Lv
Interferon (IFN)-mediated antiviral response is an important part of host defense. Previous studies reported that porcine circovirus type 2 (PCV2) inhibits interferon production, but the mechanism is still poorly understood. In this study, PCV2 suppresses IFN-β and IRF3 promoters and mRNA level of IFN-β induced by ISD or Poly(I:C), but has no effect on the activation of AP-1 and NF-κB. Furthermore, PCV2 decreases the mRNA level of IFN-β and IFN-β promoter activity driven by STING, TBK1, IRF3, and IRF3/5D, and causes a reduction in the protein level of nuclear p-IRF3...
May 21, 2018: Virology
https://www.readbyqxmd.com/read/29793046/validation-of-the-revised-pam-score-in-patients-with-aml-undergoing-allogeneic-hematopoietic-stem-cell-transplantation
#11
Jan M Middeke, Frederike Kollinger, Henning Baldauf, Friedrich Stölzel, Martin Wermke, Malte von Bonin, Katja Sockel, Cornelia S Link, Raphael Teipel, Christoph Röllig, Christian Thiede, Uwe Platzbecker, Gerhard Ehninger, Martin Bornhäuser, Johannes Schetelig
PURPOSE: Despite recent advances, allogeneic hematopoietic stem cell transplantation (alloHSCT) continues to be accompanied by a high rate of morbidity and mortality. Several scores have been developed to predict outcome after HSCT. The PAM score has been recently revised, and utilizes information on patient age, donor type, disease risk, cytomegalovirus (CMV) serostatus of patients and donors, and the forced expiratory volume in one second (FEV1). The aim of this study was to analyze the predictive power of the PAM score in an independent, large cohort of acute myeloid leukemia (AML) patients...
May 21, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29793000/effect-of-a-bisphosphonate-and-selective-estrogen-receptor-modulator-on-bone-remodeling-in-streptozotocin-induced-diabetes-and-ovariectomized-rat-model
#12
Young-Seok Lee, Rishab Gupta, Jeong-Taik Kwon, Dae-Chul Cho, Ye Jin Seo, Sung Young Seu, Eui Kyun Park, Inbo Han, Chi-Heon Kim, Joo-Kyung Sung, Kyoung-Tae Kim
BACKGROUND CONTEXT: Diabetes and menopause can cause severe osteoporosis. In general, menopause and diabetes can lead to an imbalance in bone turnover, which results in secondary osteoporosis. However, the efficacy of antiresorptive drugs against this form of osteoporosis has not been extensively evaluated. OBJECTIVE: The aim of this study was to determine the changes in vertebral bone remodeling when postmenopausal osteoporosis is accompanied by diabetes and the efficacy of bisphosphonates and selective estrogen-receptor modulators (SERMs) against these outcomes...
May 21, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29792996/cervical-bracing-practices-after-degenerative-cervical-surgery-a-survey-of-cervical-spine-research-society-members
#13
David J Lunardini, Martin H Krag, Nathan S Mauser, Joon Y Lee, William H Donaldson, James D Kang
BACKGROUND: Context: Prior studies have shown common use of post-operative bracing, despite advances in modern day instrumentation rigidity and little evidence of brace effectiveness. PURPOSE: To document current practice patterns of brace use after degenerative cervical spine surgeries among members of the Cervical Spine Research Society (CSRS), to evaluate trends, and to identify areas of further study. STUDY DESIGN: A questionnaire survey METHODS: A 10 question survey was sent to members of the Cervical Spine Research Society to document current routine bracing practices after various common degenerative cervical spine surgical scenarios, including fusion and non-fusion procedures...
May 21, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29792991/codon-adaptation-biases-among-sylvatic-and-urban-genotypes-of-dengue-virus-type-2
#14
Marielton Dos Passos Cunha, Ayda Susana Ortiz-Baez, Caio César de Melo Freire, Paolo Marinho de Andrade Zanotto
Dengue virus (DENV) emerged from the sylvatic environment and colonized urban settings, being sustained in a human-Aedes-human transmission chain, mainly by the bites of females of the anthropophilic species Aedes aegypti. Herein, we sought evidence for fine-tuning in viral codon usage, possibly due to viral adaptation to human transmission. We compared the codon adaptation of DENV serotype 2 (DENV-2) genotypes from urban and sylvatic habitats and tried to correlate the findings with key evolutionary determinants...
May 21, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29792981/probabilistic-non-carcinogenic-and-carcinogenic-risk-assessments-monte-carlo-simulation-method-of-the-measured-acrylamide-content-in-tah-dig-using-quechers-extraction-and-uhplc-ms-ms
#15
Parvin Eslami Shahrbabki, Bahador Hajimohammadi, Shahram Shoeibi, Mehdi Elmi, Arash Yousefzadeh, Gea Oliveri Conti, Margherita Ferrante, Maryam Amirahmadi, Yadolah Fakhri, Amin Mousavi Khaneghah
A modified "Quick, Easy, Cheap, Effective, Rugged, and Safe" QuEChERS in combination with Ultra-High Performance Liquid Chromatography/tandem mass spectrometry (UHPLC-MS/MS) method was optimized for the determination of acrylamide content in different types of tah-dig (rice, bread, and potato). Also, the non-carcinogenic and carcinogenic risks (target hazard quotient (THQ) and incremental lifetime cancer risk (ILCR)) due to ingestion of acrylamide via tah-dig in the adults and children were assessed by Monte Carlo simulation (MCS) method...
May 21, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29792940/a-randomized-control-trial-to-determine-the-effectiveness-and-physiological-effects-of-spinal-manipulation-and-spinal-mobilization-compared-to-each-other-and-a-sham-condition-in-patients-with-chronic-low-back-pain-study-protocol-for-the-relief-study
#16
Brian C Clark, David W Russ, Masato Nakazawa, Christopher R France, Stevan Walkowski, Timothy D Law, Megan Applegate, Niladri Mahato, Samuel Lietkam, James Odenthal, Daniel Corcos, Simeon Hain, Betty Sindelar, Robert J Ploutz-Snyder, James S Thomas
BACKGROUND: Low back pain (LBP) is one of the most common reasons for seeking medical care. Manipulative therapies are a common treatment for LBP. Few studies have compared the effectiveness of different types of manipulative therapies. Moreover, the physiologic mechanisms underlying these treatments are not fully understood. Herein, we present the study protocol for The Researching the Effectiveness of Lumbar Interventions for Enhancing Function Study (The RELIEF Study). METHODS AND STUDY DESIGN: The RELIEF Study is a Phase II RCT with a nested mechanistic design...
May 21, 2018: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29792932/cystine-glutamate-transporter-system-x-c-is-involved-in-nitric-oxide-production-in-mouse-peritoneal-macrophages
#17
Sho Kobayashi, Shinji Hamashima, Takujiro Homma, Mami Sato, Ryosuke Kusumi, Shiro Bannai, Junich Fujii, Hideyo Sato
The amino acid transport system xc - is important for maintaining intracellular glutathione levels and extracellular redox balance. The main component of system xc - , xCT, is strongly induced by various stimuli, including oxidative stress and bacterial lipopolysaccharides (LPS) in macrophages. In the present study, we investigated the production of nitric oxide by LPS-stimulated mouse peritoneal macrophages isolated from both xCT-deficient and wild-type mice. After culturing macrophages in the presence of LPS for 24-48 h, nitrite levels in the medium of xCT-deficient macrophages were significantly decreased compared to that of wild-type cells...
May 21, 2018: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/29792898/energy-drink-exposures-reported-to-texas-poison-centers-analysis-of-adverse-incidents-in-relation-to-total-sales-2010-2014
#18
Stephen W Borron, Susan H Watts, Jessica Herrera, Joshua Larson, Salvador Baeza, Richard L Kingston
The ill-defined term "energy drink" includes a disparate group of products (beverages, shots, concentrates, and workout powders) having large differences in caffeine content and concentration and intended use. Hence, inaccurate conclusions may be drawn when describing adverse events associated with "energy drinks". The FDA is considering new regulation of these products but product specificity is needed to evaluate safety. To help address this, we queried Texas Poison Center Network data for single substance exposures to "energy drinks" from 2010 to 2014, then analyzed adverse events by product type...
May 21, 2018: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29792883/plasma-n-glycan-signatures-associate-with-features-of-inflammatory-bowel-diseases
#19
Florent Clerc, Mislav Novokmet, Viktoria Dotz, Karli R Reiding, Noortje de Haan, Guinevere S M Kammeijer, Hans Dalebout, Marco R Bladergroen, Frano Vukovic, Erdmann Rapp, Stephan R Targan, Gildardo Barron, Natalia Manetti, Anna Latiano, Dermot P B McGovern, Vito Annese, Gordan Lauc, Manfred Wuhrer
BACKGROUND & AIMS: Biomarkers are needed for early detection of Crohn's disease (CD) and ulcerative colitis (UC) or to predict patient outcomes. Glycosylation is a common and complex post-translational modification of proteins that affects their structure and activity. We compared plasma N-glycosylation profiles between patients with CD or UC and healthy individuals (controls). METHODS: We analyzed the total plasma N-glycomes of 2635 patients with inflammatory bowel diseases and 996 controls by mass spectrometry with a linkage-specific sialic acid derivatization technique...
May 21, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29792863/identification-of-immunodominant-cd8-epitope-in-the-stalk-domain-of-influenza-b-viral-hemagglutinin
#20
Abenaya Muralidharan, Caroline Gravel, Amparo Duran, Louise Larocque, Changgui Li, Adrian Zetner, Gary Van Domselaar, Lisheng Wang, Xuguang Li
Human infections by type B influenza virus constitute about 25% of all influenza cases. The viral hemagglutinin is comprised of two subunits, HA1 and HA2. While HA1 is constantly evolving in an unpredictable fashion, the HA2 subunit is highly conserved, making it a potential candidate for a universal vaccine. However, immunodominant epitopes in the HA2 subunit remain largely unknown. To delineate MHC Class I epitopes, we first identified 9-mer H-2Kd -restricted CD8 T cell epitopes in the HA2 domain by in silico analyses, followed by evaluating the immunodominance of these peptides in mice challenged with the virus...
May 21, 2018: Biochemical and Biophysical Research Communications
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