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BioImpacts: BI

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https://www.readbyqxmd.com/read/30211082/breast-cancer-vaccination-comes-to-age-impacts-of-bioinformatics
#1
REVIEW
Sepideh Parvizpour, Jafar Razmara, Yadollah Omidi
Introduction: Breast cancer, as one of the major causes of cancer death among women, is the central focus of this study. The recent advances in the development and application of computational tools and bioinformatics in the field of immunotherapy of malignancies such as breast cancer have emerged the new dominion of immunoinformatics, and therefore, next generation of immunomedicines . Methods: Having reviewed the most recent works on the applications of computational tools, we provide comprehensive insights into the breast cancer incidence and its leading causes as well as immunotherapy approaches and the future trends...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/30211081/a-cancer-vaccine-with-dendritic-cells-differentiated-with-gm-csf-and-ifn%C3%AE-and-pulsed-with-a-squaric-acid-treated-cell-lysate-improves-t-cell-priming-and-tumor-growth-control-in-a-mouse-model
#2
Ananda Mookerjee, Michele Graciotti, Lana Kandalaft
Introduction: Ovarian cancer is one of the most lethal gynecologic cancers. Relapses after remission are common, hence novel strategies are urgently needed. Our group has previously developed a vaccination approach based on dendritic cells pulsed with HOCl-oxidized tumor lysates. Here we investigate the improvement of this vaccine strategy using squaric acid treatment of cancer cells during tumor lysate preparation and by differentiating dendritic cells in the presence of GM-CSF and IFNα. Methods: Induction of cell death by squaric acid treatment was assessed with propidium iodide (PI) and Annexin V in ID8 tumor cells...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/30211080/in-silico-identification-of-albendazole-as-a-quorum-sensing-inhibitor-and-its-in-vitro-verification-using-cvir-and-lasb-receptors-based-assay-systems
#3
Shaminder Singh, Sonam Bhatia
Introduction: Quorum sensing inhibition (QSI) is one of the vital tools to overcome emerging virulence of pathogenic bacteria which aims at curbing bacterial resistance. Targeting QS (quorum sensing) as chemotherapy is less likely to generate resistance among pathogens as it targets only the adaptation and not the survival mechanism of the pathogen. Several QS inhibitors were developed in the recent past but none of them managed to have clinical application due to known toxic effects for human consumption. A rapid development of QS inhibitor drugs could be achieved by verification of the QSI activity of drugs which are already in clinical use with known pharmacology...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/30211079/numerical-investigation-of-the-blood-flow-through-the-middle-cerebral-artery
#4
Seyed Esmail Razavi, Vahid Farhangmehr, Nafiseh Zendeali
Introduction: The middle cerebral artery (MCA) is one of the three major paired arteries that supply the blood to the cerebrum. In the present study, the three-dimensional (3D) blood flow in the left MCA was numerically simulated by using the medical imaging. Methods: The arterial geometry was obtained by applying the CT angiography of the MCA of a 75-year-old man. The blood flow was assumed to be laminar and unsteady. Numerical simulations were done by commercial software package COMSOL Multiphysics 5.2. In this software, the Galerkin's finite element method was applied to solve the governing equations...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/30211078/gallic-acid-and-curcumin-induce-cytotoxicity-and-apoptosis-in-human-breast-cancer-cell-mda-mb-231
#5
Hassan Moghtaderi, Houri Sepehri, Ladan Delphi, Farnoosh Attari
Introduction: Gallic acid (GA) and curcumin (Cur) are natural phenolic compounds that their anti-tumor effects on many types of cancers have been proved. In the current study, the effect of the combination of these agents on MDA-MB-231 breast cancer cells was investigated. Methods: Inhibition of cell proliferation (MTT assay), light microscopy, fluorescence microscopy, cell cycle analysis, nitrite detection, ROS levels, measurement of the mitochondrial membrane potential, GSH level, Annexin V assay, RT-PCR and Western blotting methods were applied...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/30211077/altered-levels-of-immune-regulatory-micrornas-in-plasma-samples-of-patients-with-lupus-nephritis
#6
Sepideh Zununi Vahed, Mohammadreza Nakhjavani, Jalal Etemadi, Henghame Jamshidi, Nima Jadidian, Tala Pourlak, Sima Abediazar
Introduction: Lupus nephritis (LN) is a major cause of mortality and morbidity in the patients with lupus, a chronic autoimmune disease. The role of genetic and epigenetic factors is emphasized in the pathogenesis of LN. The aim of the present study was to evaluate the levels of immune-regulatory microRNAs (e.g., miR-31, miR-125a, miR-142-3p, miR-146a, and miR-155) in plasma samples of patients with LN. Methods: In this study, 26 patients with LN and 26 healthy individuals were included. The plasma levels of the microRNAs were evaluated by a quantitative real-time PCR...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/30211076/expression-purification-and-dna-binding-properties-of-zinc-finger-domains-of-dof-proteins-from-arabidopsis-thaliana
#7
Hakimeh Moghaddas Sani, Maryam Hamzeh-Mivehroud, Ana P Silva, James L Walshe, S Abolghasem Mohammadi, Mahdyieh Rahbar-Shahrouziasl, Milad Abbasi, Omid Jamshidi, Jason Kk Low, Siavoush Dastmalchi, Joel P Mackay
Introduction: DOF proteins are a family of plant-specific transcription factors with a conserved zinc finger (ZF) DNA-binding domain. Although several studies have demonstrated their specific DNA binding, quantitative affinity data is not available for the binding of DOF domains to their binding sites. Methods: ZF domains of DOF2.1, DOF3.4, and DOF5.8 from Arabidopsis thaliana were expressed and purified. Their DNA binding affinities were assessed using gel retardation assays and microscale thermophoresis with two different oligonucleotide probes containing one and two copies of recognition sequence AAAG...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/30211075/risk-association-linkage-disequilibrium-and-haplotype-analyses-of-fasn-rs4246445-rs2229425-rs2228305-and-rs2229422-polymorphisms-in-overweight-and-obesity
#8
Eric Tzyy Jiann Chong, Shawn Shi Erh Kuok, Ping-Chin Lee
Introduction: Obesity is commonly linked up with several life-threatening diseases. This study aims to investigate the association of fatty acid synthase ( FASN ) rs4246445, rs2229425, rs2228305, and rs2229422 single nucleotide polymorphisms (SNPs) with the risk of overweight and obesity in the Malaysian population. Methods: Blood samples were collected from 1030 individuals who were grouped into normal, overweight, and obese categories. Blood biochemistry test and lipid profiling were performed and genomic DNA was extracted...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/30211074/enzyme-replacement-therapies-what-is-the-best-option
#9
EDITORIAL
Azam Safary, Mostafa Akbarzadeh Khiavi, Rahimeh Mousavi, Jaleh Barar, Mohammad A Rafi
Despite many beneficial outcomes of the conventional enzyme replacement therapy (ERT), several limitations such as the high-cost of the treatment and various inadvertent side effects including the occurrence of an immunological response against the infused enzyme and development of resistance to enzymes persist. These issues may limit the desired therapeutic outcomes of a majority of the lysosomal storage diseases (LSDs). Furthermore, the biodistribution of the recombinant enzymes into the target cells within the central nervous system (CNS), bone, cartilage, cornea, and heart still remain unresolved...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/29977835/an-update-of-the-recombinant-protein-expression-systems-of-cyanovirin-n-and-challenges-of-preclinical-development
#10
REVIEW
Hajie Lotfi, Roghayeh Sheervalilou, Nosratollah Zarghami
Introduction: Human immunodeficiency virus (HIV) is a debilitating challenge and concern worldwide. Accessibility to highly active antiretroviral drugs is little or none for developing countries. Production of cost-effective microbicides to prevent the infection with HIV is a requirement. Cyanovirin-N (CVN) is known as a promising cyanobacterial lectin, capable of inhibiting the HIV cell entry in a highly specific manner. Methods: This review article presents an overview of attempts conducted on different expression systems for the recombinant production of CVN...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/29977834/reprogramming-of-mouse-fibroblasts-into-neural-lineage-cells-using-biomaterials
#11
Fahsai Kantawong, Chanidapa Saksiriwisitkul, Chanakan Riyapa, Suchalinee Limpakdee, Phenphichar Wanachantararak, Thasaneeya Kuboki
Introduction: Induced neural stem cells (iNSCs) have the ability of differentiation into neurons, astrocytes and oligodendrocytes. iNSCs are very useful in terms of research and treatment. The present study offers an idea that biomaterials could be one of the tools that could modulate reprogramming process in the fibroblasts. Methods: Gelatin biomaterials were fabricated into 3 types, including (i) gelatin, (ii) gelatin with 1 mg/mL hydroxyapatite, and (iii) gelatin with hydroxyapatite and pig brain. NIH/3T3 fibroblasts were cultured on each type of biomaterial for 7, 9 and 14 days...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/29977833/mucin-1-aptamer-armed-superparamagnetic-iron-oxide-nanoparticles-for-targeted-delivery-of-doxorubicin-to-breast-cancer-cells
#12
Ayuob Aghanejad, Hiwa Babamiri, Khosro Adibkia, Jaleh Barar, Yadollah Omidi
Introduction: Superparamagnetic iron oxide nanoparticles (SPIONs) can be functionalized with various agents (e.g., targeting and therapeutic agents) and used for targeted imaging/therapy of cancer. In the present study, we engineered doxorubicin (DOX)-conjugated anti-mucin -1 (MUC-1) aptamer (Ap)-armed PEGylated SPIONs for targeted delivery of DOX molecules to the breast cancer MCF-7 cells. Methods: The SPIONs were synthesized using the thermal decomposition method and modified by polyethylene glycol (PEG) to maximize their biocompatibility and minimize any undesired cytotoxicity effects...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/29977832/the-assessment-of-metabolite-alteration-induced-by-oh-functionalized-multi-walled-carbon-nanotubes-in-mice-using-nmr-based-metabonomics
#13
Yasamin Baghdadchi, Maryam Khoshkam, Mojtaba Fathi, Ahmad Jalilvand, Koorosh Fooladsaz, Ali Ramazani
Introduction: There is a fundamental need to characterize multiwalled carbon nanotubes (MWCNTs) toxicity to guarantee their safe application. Functionalized MWCNTs have recently attracted special interest in order to enhance biocompatibility. The aim of the current work was to study the underlying toxicity mechanism of the -OH-functionalized MWCNTs (MWCNTs-OH), using the powerful NMR-based metabonomics technique. Methods: Following intraperitoneal single-injection of mice with 3 doses of MWCNTs-OH and one control, samples were collected at four time points during 22-days for NMR, biochemistry, and histopathology analysis...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/29977831/drug-nanocarrier-agents-based-on-starch-g-amino-acids
#14
Hassan Namazi, Elnaz Abdollahzadeh
Introduction: In the recent decades, starch has been modified using different methods for the various forms of applications. Some new starch derivatives were prepared through a simple and convenient method in the grafting of amino acids: L-alanine, L-leucine and L-phenyl alanine to starch. Methods: First, the amine groups of amino acids were protected using phthalic anhydride then the acidic side of amino acids were activated with chlorination using thionyl chloride, and the resultant acid chlorides were reacted with starch in aqueous media at room temperature...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/29977830/design-fabrication-and-implantation-of-tube-shaped-devices-for-the-treatment-of-salivary-duct-diseases
#15
Diego Velasquez, Laurent Chaunier, Sofiane Guessasma, Frédéric Faure, Alain Bizeau, Graciela Pavon-Djavid, Anne Meddahi-Pellé, Denis Lourdin
Introduction: Starch-based materials were designed using a special extrusion die in order to obtain a tube-shaped device for application to salivary duct treatment in the field of endoscopy, i.e., sialendoscopy . Methods: Extrusion process was used to produce starch tubes. Mechanical properties of the dry tube before implantation were determined using an axial compression test. A finite element study was carried out to simulate the behavior of the hydrated tube under external axial pressure. Hydrolysis of these devices in a simulated salivary solution was studied, as well as its glycerol kinetics release...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/29977829/biosynthesis-of-tio-2-and-zno-nanoparticles-by-halomonas-elongata-ibrc-m-10214-in-different-conditions-of-medium
#16
Mojtaba Taran, Maryam Rad, Mehran Alavi
Introduction: In the recent years, green synthesis is a novel method without some disadvantages of physical and chemical methods. In this approach, bacteria, archaebacteria, fungi, and plants may be applied without utilizing toxic and expensive materials for metal nanoparticles (MNPs) preparation. Methods: In this study, we used Taguchi method to obtain optimum conditions in titanium dioxide and zinc oxide nanoparticle (NPs) biosynthesis by Halomonas elongata IBRC-M 10214. Design and analysis of Taguchi experiments (an orthogonal assay and analysis of variance [ANOVA]) carried out by the Qualitek-4 software...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/29977828/made-on-demand-complex-and-personalized-3d-printed-drug-products
#17
EDITORIAL
Karim Osouli-Bostanabad, Khosro Adibkia
Layer-by-layer fabrication of three dimensional (3D) objects from digital models is called 3D printing. This technology established just about three decades ago at the confluence of materials science, chemistry, robotics, and optics researches to ease the fabrication of UV-cured resin prototypes. The 3D technology was rapidly considered as a standard instrument in the aerospace, automotive, and consumer goods production factories. Nowadays, research interests in the 3D printed products have been raised and achieved ever-increasing traction in the pharmaceutical industry; so that, the first 3D printed drug product was approved by FDA in August 2015...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/29713603/combating-atherosclerosis-with-targeted-nanomedicines-recent-advances-and-future-prospective
#18
REVIEW
Ailar Nakhlband, Morteza Eskandani, Yadollah Omidi, Nazli Saeedi, Samad Ghaffari, Jaleh Barar, Alireza Garjani
Introduction: Cardiovascular diseases (CVDs) is recognized as the leading cause of mortality worldwide. The increasing prevalence of such disease demands novel therapeutic and diagnostic approaches to overcome associated clinical/social issues. Recent advances in nanotechnology and biological sciences have provided intriguing insights to employ targeted Nanomachines to the desired location as imaging, diagnosis, and therapeutic modalities. Nanomedicines as novel tools for enhanced drug delivery, imaging, and diagnosis strategies have shown great promise to combat cardiovascular diseases...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/29713602/chemiluminescence-based-immunoassay-for-the-detection-of-heroin-and-its-metabolites
#19
Smritee Singh, Priya Mishra, Ivneet Banga, Avanish S Parmar, Prem Prakash Tripathi, Sonu Gandhi
Introduction: Continuous use of opiates causes drug-related illnesses, which poses an alarming situation to develop sensitive detection platform. In this study, a highly sensitive and reliable chemiluminescence immunoassay (CI) has been developed for the detection of heroin and its major metabolites in spiked urine samples. Methods: To develop robust immunoassay, monoacetyl morphine-bovine serum albumin (MAM-BSA) conjugate was synthesized and characterized thoroughly by physicochemical techniques. The anti-MAM antibodies were developed, labeled with horseradish peroxidase (HRP) and immunoassay was developed to detect the presence of target drug in spiked urine samples...
2018: BioImpacts: BI
https://www.readbyqxmd.com/read/29713601/a-novel-b-and-helper-t-cell-epitopes-based-prophylactic-vaccine-against-echinococcus-granulosus
#20
Mohammad M Pourseif, Gholamali Moghaddam, Hossein Daghighkia, Ahmad Nematollahi, Yadollah Omidi
Introduction: In this study, we targeted the worm stage of Echinococcus granulosus to design a novel multi-epitope B- and helper T-cell based vaccine construct for immunization of dogs against this multi-host parasite. Methods: The vaccine was designed based on the local Eg14-3-3 antigen (Ag). DNA samples were extracted from the protoscoleces of the infected sheep's liver, and then subjected to the polymerase chain reaction (PCR) with 14-3-3 specific forward and reverse primers. For the vaccine designing, several in silico steps were undertaken...
2018: BioImpacts: BI
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