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https://www.readbyqxmd.com/read/28645072/association-of-the-serum-myeloperoxidase-high-density-lipoprotein-particle-ratio-and-incident-cardiovascular-events-in-a-multi-ethnic-population-observations-from-the-dallas-heart-study
#1
Htet W Khine, John F Teiber, Robert W Haley, Amit Khera, Colby R Ayers, Anand Rohatgi
BACKGROUND AND AIMS: Myeloperoxidase (MPO), a product of systemic inflammation, promotes oxidation of lipoproteins; whereas, high-density lipoprotein (HDL) exerts anti-oxidative effects in part via paraoxonase-1 (PON1). MPO induces dysfunctional HDL particles; however, the interaction of circulating levels of these measures in cardiovascular disease (CVD) has not been studied in humans. We tested whether serum levels of MPO indexed to HDL particle concentration (MPO/HDLp) are associated with increased CVD risk in a large multiethnic population sample, free of CVD at baseline...
June 3, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28641153/lipoprotein-a-and-coronary-atheroma-progression-rates-during-long-term-high-intensity-statin-therapy-insights-from-saturn
#2
Rishi Puri, Christie M Ballantyne, Ron C Hoogeveen, Mingyuan Shao, Philip Barter, Peter Libby, M John Chapman, Raimund Erbel, Benoit J Arsenault, Joel S Raichlen, Steven E Nissen, Stephen J Nicholls
BACKGROUND & AIMS: Lipoprotein(a) [Lp(a)] is a low-density lipoprotein (LDL)-like particle that associates with major adverse cardiovascular events (MACE). We examined relationships between Lp(a) measurements and changes in coronary atheroma volume following long-term maximally-intensive statin therapy in coronary artery disease patients. METHODS: Study of coronary atheroma by intravascular ultrasound: Effect of Rosuvastatin Versus Atorvastatin (SATURN) used serial intravascular ultrasound measures of coronary atheroma volume in patients treated with rosuvastatin 40 mg or atorvastatin 80 mg for 24 months...
June 15, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28639178/effective-skin-cancer-treatment-by-topical-co-delivery-of-curcumin-and-stat3-sirna-using-cationic-liposomes
#3
Anup Jose, Suman Labala, Kunal Manoj Ninave, Sudeep Kumar Gade, Venkata Vamsi Krishna Venuganti
The aim of the present study was to evaluate the effectiveness of iontophoretic co-delivery of curcumin and anti-STAT3 siRNA using cationic liposomes against skin cancer. Curcumin was encapsulated in DOTAP-based cationic liposomes and then complexed with STAT3 siRNA. This nanocomplex was characterized for the average particle size, zeta-potential, and encapsulation efficiency. The cell viability studies in B16F10 mouse melanoma cells have shown that the co-delivery of curcumin and STAT3 siRNA significantly (p < 0...
June 21, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28639138/veterinary-vaccine-nanotechnology-pulmonary-and-nasal-delivery-in-livestock-animals
#4
REVIEW
Daniella Calderon-Nieva, Kalhari Bandara Goonewardene, Susantha Gomis, Marianna Foldvari
Veterinary vaccine development has several similarities with human vaccine development to improve the overall health and well-being of species. However, veterinary goals lean more toward feasible large-scale administration methods and low cost to high benefit immunization. Since the respiratory mucosa is easily accessible and most infectious agents begin their infection cycle at the mucosa, immunization through the respiratory route has been a highly attractive vaccine delivery strategy against infectious diseases...
June 21, 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/28638873/protective-effect-of-camel-milk-as-anti-diabetic-supplement-biochemical-molecular-and-immunohistochemical-study
#5
Ahmed A Mansour, Mohammed A Nassan, Osama M Saleh, Mohamed M Soliman
BACKGROUND: Diabetes is a serious disease affects human health. Diabetes in advanced stages is accompanied by general weakness and alteration in fats and carbohydrates metabolism. Recently there are some scientific trends about the usage of camel milk (CM) in the treatment of diabetes and its associated alterations. CM contains vital active particles with insulin like action that cure diabetes and its complications but how these effects occur, still unclear. MATERIALS AND METHODS: Seventy-five adult male rats of the albino type divided into five equal groups...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28638787/bioadhesive-bacterial-microswimmers-for-targeted-drug-delivery-in-the-urinary-and-gastrointestinal-tracts
#6
Babak Mostaghaci, Oncay Yasa, Jiang Zhuang, Metin Sitti
Bacteria-driven biohybrid microswimmers (bacteriabots), which integrate motile bacterial cells and functional synthetic cargo parts (e.g., microparticles encapsulating drug), are recently studied for targeted drug delivery. However, adhesion of such bacteriabots to the tissues on the site of a disease (which can increase the drug delivery efficiency) is not studied yet. Here, this paper proposes an approach to attach bacteriabots to certain types of epithelial cells (expressing mannose on the membrane), based on the affinity between lectin molecules on the tip of bacterial type I pili and mannose molecules on the epithelial cells...
June 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28638096/identification-of-a-flavonoid-isolated-from-plum-prunus-domestica-as-a-potent-inhibitor-of-hepatitis-c-virus-entry
#7
Mihika Bose, Mohini Kamra, Ranajoy Mullick, Santanu Bhattacharya, Saumitra Das, Anjali A Karande
Hepatitis C virus (HCV) infection is a major cause of chronic liver diseases that often requires liver transplantation. The standard therapies are limited by severe side effects, resistance development, high expense and in a substantial proportion of cases, fail to clear the infection which bespeak the need for development of well-tolerated antivirals. Since most of the drug development strategies target the replication stage of viral lifecycle, the identification of entry inhibitors might be crucial especially in case of liver-transplant recipients...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28638004/modification-of-the-hcmv-specific-ifn-%C3%AE-release-test-quantiferon-cmv-and-a-novel-proposal-for-its-application
#8
Takahiro Kobayashi, Jun-Ichi Sato, Kazufumi Ikuta, Ryoko Kanno, Kyoko Nishiyama, Tetsuo Koshizuka, Ken Ishioka, Tatsuo Suzutani
Human cytomegalovirus (HCMV) is universally distributed among humans without any adverse effects; however, it induces severe diseases in immunocompromised patients such as organ transplant recipients and AIDS patients. To manage these immunocompromised patients, an easy clinical examination for the monitoring of disease risk is required. In this study, we modified the interferon-γ (IFN-γ) release test (QuantiFERON(®)-CMV) using HCMV immediate early-1 (IE-1) or pp65 whole proteins, or UV-inactivated HCMV particles as an antigen...
June 22, 2017: Fukushima Journal of Medical Science
https://www.readbyqxmd.com/read/28637751/ifit2-is-a-restriction-factor-in-rabies-virus-pathogenicity
#9
Benjamin M Davis, Volker Fensterl, Tessa M Lawrence, Andrew W Hudacek, Ganes C Sen, Matthias J Schnell
Understanding the interactions between rabies virus (RABV) and individual host cell proteins is critical for the development of targeted therapies. Here we report that Interferon-induced protein with tetratricopeptide repeats 2 (Ifit2), an interferon-stimulated gene (ISG) with possible RNA-binding capacity, is an important restriction factor for rabies virus. When Ifit2 was depleted, RABV grew more quickly in mouse neuroblastoma in vitro This effect was replicated in vivo, where Ifit2 knockout mice displayed a dramatically more severe disease phenotype than wild-type after intranasal inoculation of RABV...
June 21, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28636816/impacts-of-the-mitochondrial-genome-on-the-relationship-of-long-term-ambient-fine-particle-exposure-with-blood-dna-methylation-age
#10
Jamaji Nwanaji-Enwerem, Elena Colicino, Lingzhen Dai, Akin Cayir, Marco Sanchez-Guerra, Hannah E Laue, Vy T Nguyen, Qian Di, Allan Just, Lifang Hou, Pantel Vokonas, Brent A Coull, Marc Weisskopf, Andrea Baccarelli, Joel Schwartz
The mitochondrial genome has long been implicated in age-related disease, but no studies have examined its role in the relationship of long-term fine particle (PM2.5) exposure and DNA methylation age (DNAm-age) - a novel measure of biological age. In this analysis based on 940 observations between 2000 and 2011 from 552 Normative Aging Study participants, we determined the roles of mitochondrial DNA haplogroup variation and mitochondrial genome abundance in the relationship of PM2.5 with DNAm-age. We used the GEOS-chem transport model to estimate address-specific, one-year PM2...
June 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28636537/metabolic-pathway-for-the-universal-fluorescent-recognition-of-tumor-cells
#11
Ana Fernandez-Carrascal, Manuel Garcia-Algar, Moritz Nazarenus, Alicia Torres-Nuñez, Luca Guerrini, Neus Feliu, Wolfgang J Parak, Eduardo Garcia-Rico, Ramon A Alvarez-Puebla
Quantification of circulating tumor cells (CTCs) in blood samples from cancer patients is a non-invasive approach to monitoring the status of the disease. Most of the methods proposed in the recent years are phenomenological and rely on the use of antibodies labelled with fluorophores, magnetic particles, or immobilized on surfaces to capture the CTCs. Herein, we designed and optimized a method that employs a glucose analogue labelled with a fluorophore which takes advantage of the different metabolic pathways of cancer cells to discern them from normal ones...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28635592/type-specific-l1-virus-like-particle-mediated-protection-of-horses-from-experimental-bovine-papillomavirus-1-induced-pseudo-sarcoid-formation-is-long-lasting
#12
Julia Harnacker, Edmund K Hainisch, Saeed Shafti-Keramat, Reinhard Kirnbauer, Sabine Brandt
Equine sarcoids are common therapy-resistant skin tumours induced by bovine papillomavirus type 1 or 2 (BPV1, BPV2) infection. We have previously shown that prophylactic vaccination with BPV1 L1 virus-like particles (VLPs) efficiently protects horses from experimental BPV1-induced pseudo-sarcoid development. Here, we assessed BPV1 L1 VLP vaccine-mediated long-term protection from experimental tumour formation in seven horses 5 years after immunization with three different doses of BPV1 L1 VLPs, and three unvaccinated control animals...
June 21, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28634607/a-high-throughput-microfluidic-platform-for-size-selective-enrichment-of-cell-populations-in-tissue-and-blood-samples
#13
Nivedita Nivedita, Neha Garg, Abraham P Lee, Ian Papautsky
Numerous applications in biology and medicine require the efficient and reliable separation of cells for disease diagnosis, genetic analysis, drug screening, and therapeutics. In this work, we demonstrate a novel technology that integrates a passive and an active device to separate, enrich and release cells on-demand from a complex blood sample, or cancer cells derived from a tissue biopsy. We exploit the high throughput (>1 mL min(-1)), size-based sorting capability of the passive spiral inertial microfluidic (iMF) device to focus particles/cells towards an active lateral cavity acoustic transducer (LCAT) device for size-selective enrichment...
June 21, 2017: Analyst
https://www.readbyqxmd.com/read/28632757/molecular-mechanism-of-drp1-assembly-studied-in-vitro-by-cryo-electron-microscopy
#14
Kaustuv Basu, Driss Lajoie, Tristan Aumentado-Armstrong, Jin Chen, Roman I Koning, Blaise Bossy, Mihnea Bostina, Attila Sik, Ella Bossy-Wetzel, Isabelle Rouiller
Mitochondria are dynamic organelles that continually adapt their morphology by fusion and fission events. An imbalance between fusion and fission has been linked to major neurodegenerative diseases, including Huntington's, Alzheimer's, and Parkinson's diseases. A member of the Dynamin superfamily, dynamin-related protein 1 (DRP1), a dynamin-related GTPase, is required for mitochondrial membrane fission. Self-assembly of DRP1 into oligomers in a GTP-dependent manner likely drives the division process. We show here that DRP1 self-assembles in two ways: i) in the presence of the non-hydrolysable GTP analog GMP-PNP into spiral-like structures of ~36 nm diameter; and ii) in the presence of GTP into rings composed of 13-18 monomers...
2017: PloS One
https://www.readbyqxmd.com/read/28631595/a-32-kda-viral-attachment-protein-of-lymphocystis-disease-virus-lcdv-specifically-interacts-with-a-27-8-kda-cellular-receptor-from-flounder-paralichthys-olivaceus
#15
Ying Zhong, Chenjie Fei, Xiaoqian Tang, Wenbin Zhan, Xiuzhen Sheng
The 27.8 kDa protein in flounder gill (FG) cells was previously proved to be a receptor specific for lymphocystis disease virus (LCDV) entry and infection. In this paper, a 32 kDa viral attachment protein (VAP) of LCDV specifically binding to the 27.8 kDa receptor (27.8R) was found by far-Western blotting coupled with monoclonal antibodies (MAbs) against 27.8R. The 32 kDa protein was confirmed to be encoded by the open reading frame (ORF) 038 gene in LCDV-C, and predicted to contain a putative transmembrane region, multiple N-myristoylation and glycosylation sites and phosphorylation motifs...
June 20, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28630894/next-generation-probes-particles-and-proteins-for-neural-interfacing
#16
REVIEW
Jonathan Rivnay, Huiliang Wang, Lief Fenno, Karl Deisseroth, George G Malliaras
Bidirectional interfacing with the nervous system enables neuroscience research, diagnosis, and therapy. This two-way communication allows us to monitor the state of the brain and its composite networks and cells as well as to influence them to treat disease or repair/restore sensory or motor function. To provide the most stable and effective interface, the tools of the trade must bridge the soft, ion-rich, and evolving nature of neural tissue with the largely rigid, static realm of microelectronics and medical instruments that allow for readout, analysis, and/or control...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28630011/interplay-between-hepatitis-c-virus-and-lipid-metabolism-during-virus-entry-and-assembly
#17
REVIEW
Muriel Lavie, Jean Dubuisson
Hepatitis C virus (HCV) infection is a major public health problem worldwide. In most cases, HCV infection becomes chronic, leading to the development of liver diseases that range from fibrosis to cirrhosis and hepatocellular carcinoma. Due to its medical importance, the HCV life cycle has been deeply characterized, and a unique feature of this virus is its interplay with lipids. Accordingly, all the steps of the virus life cycle are influenced by the host lipid metabolism. Indeed, due to their association with host lipoproteins, HCV particles have a unique lipid composition...
June 16, 2017: Biochimie
https://www.readbyqxmd.com/read/28629822/structure-based-designed-nano-dysferlin-significantly-improves-dysferlinopathy-in-bla-j-mice
#18
Telmo Llanga, Nadia Nagy, Laura Conatser, Catherine Dial, R Bryan Sutton, Matthew L Hirsch
Dysferlinopathy is an autosomal recessive muscular dystrophy characterized by the progressive loss of motility that is caused by mutations throughout the DYSF gene. There are currently no approved therapies that ameliorate or reverse dysferlinopathy. Gene delivery using adeno-associated vectors (AAVs) is a leading therapeutic strategy for genetic diseases; however, the large size of dysferlin cDNA (6.2 kB) precludes packaging into a single AAV capsid. Therefore, using 3D structural modeling and hypothesizing dysferlin C2 domain redundancy, a 30% smaller, dysferlin-like molecule amenable to single AAV vector packaging was engineered (termed Nano-Dysferlin)...
June 16, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28629640/is-physical-activity-a-modifier-of-the-association-between-air-pollution-and-arterial-stiffness-in-older-adults-the-sapaldia-cohort-study
#19
Simon Endes, Emmanuel Schaffner, Seraina Caviezel, Julia Dratva, Daiana Stolz, Christian Schindler, Nino Künzli, Arno Schmidt-Trucksäss, Nicole Probst-Hensch
INTRODUCTION AND OBJECTIVES: Air pollution and insufficient physical activity have been associated with inflammation and oxidative stress, molecular mechanisms linked to arterial stiffness and cardiovascular disease. There are no studies on how physical activity modifies the association between air pollution and arterial stiffness. We examined whether the adverse cardiovascular effects of air pollution were modified by individual physical activity levels in 2823 adults aged 50-81 years from the well-characterized Swiss Cohort Study on Air Pollution and Lung and Heart Diseases (SAPALDIA)...
June 13, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28629362/long-term-exposure-to-ambient-ultrafine-particles-and-respiratory-disease-incidence-in-in-toronto-canada-a-cohort-study
#20
Scott Weichenthal, Li Bai, Marianne Hatzopoulou, Keith Van Ryswyk, Jeffrey C Kwong, Michael Jerrett, Aaron van Donkelaar, Randall V Martin, Richard T Burnett, Hong Lu, Hong Chen
BACKGROUND: Little is known about the long-term health effects of ambient ultrafine particles (<0.1 μm) (UFPs) including their association with respiratory disease incidence. In this study, we examined the relationship between long-term exposure to ambient UFPs and the incidence of lung cancer, adult-onset asthma, and chronic obstructive pulmonary disease (COPD). METHODS: Our study cohort included approximately 1.1 million adults who resided in Toronto, Canada and who were followed for disease incidence between 1996 and 2012...
June 19, 2017: Environmental Health: a Global Access Science Source
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