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Medical biotechnology

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https://www.readbyqxmd.com/read/28528519/il-6-blockade-in-the-management-of-non-infectious-uveitis
#1
Giuseppe Lopalco, Claudia Fabiani, Jurgen Sota, Orso Maria Lucherini, Gian Marco Tosi, Bruno Frediani, Florenzo Iannone, Mauro Galeazzi, Rossella Franceschini, Donato Rigante, Luca Cantarini
Several pathogenetic studies have paved the way for a newer more rational therapeutic approach to non-infectious uveitis, and treatment of different forms of immune-driven uveitis has drastically evolved in recent years after the advent of biotechnological drugs. Tumor necrosis factor-α targeted therapies, the first-line recommended biologics in uveitis, have certainly led to remarkable results in patients with non-infectious uveitis. Nevertheless, the decision-making process turns out to be extremely difficult in anti-tumor necrosis factor or multidrug-resistant cases...
May 20, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28527520/recent-advances-in-smart-biotechnology-hydrogels-and-nanocarriers-for-tailored-bioactive-molecules-depot
#2
REVIEW
Gesmi Milcovich, Stefania Lettieri, Filipe E Antunes, Bruno Medronho, Ana C Fonseca, Jorge F J Coelho, Paolo Marizza, Francesca Perrone, Rossella Farra, Barbara Dapas, Gabriele Grassi, Mario Grassi, Silvia Giordani
Over the past ten years, the global biopharmaceutical market has remarkably grown, with ten over the top twenty worldwide high performance medical treatment sales being biologics. Thus, biotech R&D (research and development) sector is becoming a key leading branch, with expanding revenues. Biotechnology offers considerable advantages compared to traditional therapeutic approaches, such as reducing side effects, specific treatments, higher patient compliance and therefore more effective treatments leading to lower healthcare costs...
May 9, 2017: Advances in Colloid and Interface Science
https://www.readbyqxmd.com/read/28517983/personalised-medicine-and-the-economy-of-biotechnological-promise
#3
Steve Sturdy
Rather than seek to distinguish hype from legitimate promise, it may be more helpful to think about personalised medicine as embodying a promissory economy which serves both to mobilize resources for research and - partly at least - to determine the ends to which that research is directed. Personalised medicine is a development of the larger promissory economy of medical biotechnology. As such, it systematically conflates public benefit with the pursuit of commercial and especially pharmaceutical interests...
April 2017: New Bioethics: a Multidisciplinary Journal of Biotechnology and the Body
https://www.readbyqxmd.com/read/28515315/the-c-terminal-peptide-of-aquifex-aeolicus-riboflavin-synthase-directs-encapsulation-of-native-and-foreign-guests-by-a-cage-forming-lumazine-synthase
#4
Yusuke Azuma, Reinhard Zschoche, Donald Hilvert
Encapsulation of specific enzymes in self-assembling protein cages is a hallmark of bacterial compartments that function as counterparts to eukaryotic organelles. The cage-forming enzyme lumazine synthase (LS) from Bacillus subtilis (BsLS), for example, encapsulates riboflavin synthase (BsRS), enabling channeling of lumazine from the site of its generation to the site of its conversion to vitamin B2. Elucidating the molecular mechanisms underlying the assembly of these supramolecular complexes could help inform new approaches for metabolic engineering, nanotechnology, and drug delivery...
May 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28514998/affibody-molecules-in-biotechnological-and-medical-applications
#5
REVIEW
Stefan Ståhl, Torbjörn Gräslund, Amelie Eriksson Karlström, Fredrik Y Frejd, Per-Åke Nygren, John Löfblom
Affibody molecules are small (6.5-kDa) affinity proteins based on a three-helix bundle domain framework. Since their introduction 20 years ago as an alternative to antibodies for biotechnological applications, the first therapeutic affibody molecules have now entered clinical development and more than 400 studies have been published in which affibody molecules have been developed and used in a variety of contexts. In this review, we focus primarily on efforts over the past 5 years to explore the potential of affibody molecules for medical applications in oncology, neurodegenerative, and inflammation disorders, including molecular imaging, receptor signal blocking, and delivery of toxic payloads...
May 14, 2017: Trends in Biotechnology
https://www.readbyqxmd.com/read/28497955/synthetic-and-therapeutic-applications-of-ammonia-lyases-and-aminomutases
#6
Fabio Parmeggiani, Nicholas J Weise, Syed T Ahmed, Nicholas J Turner
Ammonia-lyases and aminomutases are mechanistically and structurally diverse enzymes which catalyze the deamination and/or isomerization of amino acids in nature by cleaving or shifting a C-N bond. Of the many protein families in which these enzyme activities are found, only a subset have been employed in the synthesis of optically pure fine chemicals or in medical applications. This review covers the natural diversity of these enzymes, highlighting particular enzyme classes that are used within industrial and medical biotechnology...
May 12, 2017: Chemical Reviews
https://www.readbyqxmd.com/read/28485146/effects-of-growth-surface-topography-on-bacterial-signaling-in-coculture-biofilms
#7
Arunima Bhattacharjee, Mughees Khan, Maya Kleiman, Allon I Hochbaum
Bacteria form interface-associated communities, called biofilms, often comprising multiple species. Biofilms can be detrimental or beneficial in medical, industrial, and technological settings, and their stability and function are determined by interspecies communication via specific chemical signaling or metabolite exchange. The deterministic control of biofilm development, behavior, and properties remains an unmet challenge limiting our ability to inhibit formation of detrimental biofilms in biomedical settings and promote the growth of beneficial biofilms in biotechnology applications...
May 9, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28476978/study-of-bio-fabrication-of-iron-nanoparticles-and-their-fungicidal-property-against-phytopathogens-of-apple-orchards
#8
Hilal Ahmad, Kalyanaraman Rajagopal, Ashiq Hussain Shah, Arif Hussain Bhat, Kalyanaraman Venugopal
Current research trends on iron nanoparticles (FeNPs) are extensively focused because of their unique magnetic and electrical properties mostly applicable in essential medical devices. However, their fungicidal property against plant pathogens is very less known until date. Present study demonstrates a green technique for blending of FeNPs by utilising aqueous extract of neem leaf (Azadirachta indica A. Juss.) as reducing agent. Various characterisation techniques such as ultraviolet (UV)-visible spectroscopy, Fourier transform infrared spectroscopy transmission electron microscopy, scanning electron microscopy and X-ray diffraction were performed for FeNPs...
April 2017: IET Nanobiotechnology
https://www.readbyqxmd.com/read/28470522/screening-applications-to-test-cellular-fitness-in-transwell-%C3%A2-models-after-nanoparticle-treatment
#9
Bastian Christ, Christina Fey, Alevtina Cubukova, Heike Walles, Sofia Dembski, Marco Metzger
Nanoparticles (NPs) in biotechnology hold great promise for revolutionizing medical treatments and therapies. In order to bring NPs into clinical application there is a number of preclinical in vitro and in vivo tests, which have to be applied before. The initial in vitro evaluation includes a detailed physicochemical characterization as well as biocompatibility tests, among others. For determination of biocompatibility at the cellular level, the correct choice of the in vitro assay as well as NP pretreatment is absolutely essential...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28438579/the-brenda-enzyme-information-system-from-a-database-to-an-expert-system
#10
I Schomburg, L Jeske, M Ulbrich, S Placzek, A Chang, D Schomburg
Enzymes, representing the largest and by far most complex group of proteins, play an essential role in all processes of life, including metabolism, gene expression, cell division, the immune system, and others. Their function, also connected to most diseases or stress control makes them interesting targets for research and applications in biotechnology, medical treatments, or diagnosis. Their functional parameters and other properties are collected, integrated, and made available to the scientific community in the BRaunschweig ENzyme DAtabase (BRENDA)...
April 21, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28438271/how-does-an-inventor-find-an-investor-or-partner-raising-funds-to-start-a-company
#11
Rudy A Mazzocchi
Rudy Mazzocchi has over 25 years of senior executive management, technology and intellectual property development, and financing experience in the medical-technology/biotechnology industries. He serves currently as cofounder/chief executive officer of ELENZA, Inc, an ophthalmology company that has developed an electro-active, autofocusing, implantable lens; executive chairman of Establishment Labs; executive chairman of LAFORGE Optical; and executive chairman of OptiSTENT, Inc. He served previously as managing director of Accuitive Medical Ventures and The Innovation Factory; cofounder/chief executive officer of Image-Guided NEUROLOGICS, acquired by Medtronic in 2005; and founding chief executive officer of MICROVENA Corporation, which became "eV3," acquired by Covidien...
May 2017: Surgery
https://www.readbyqxmd.com/read/28416374/comparing-originator-biologics-and-biosimilars-a-review-of-the-relevant-issues
#12
REVIEW
Corrado Blandizzi, Pier Luigi Meroni, Giovanni Lapadula
PURPOSE: We provide a review of current knowledge on comparability between biosimilars and originator biologics in view of the continuous evolution occurring in this highly dynamic area. METHODS: English-language literature indexed in MEDLINE was explored, without time limits, to July 31, 2016, using the terms biosimilar, biotechnologic drug, biologic drug, monoclonal antibody, fusion protein, and anti-tumor necrosis factor. The reference lists of identified articles were examined carefully for additional pertinent publications...
April 14, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28413818/data-on-enhanced-expression-and-purification-of-camelid-single-domain-antibodies-from-escherichia-coli-classical-inclusion-bodies
#13
Maristella Maggi, Claudia Scotti
Heterologous expression of high amounts of recombinant proteins is a milestone for research and industrial purposes. Single domain antibodies (sdAbs) are heavy-chain only antibody fragments with applications in the biotechnological, medical and industrial fields. The simple nature and small size of sdAbs allows for efficient expression of the soluble molecule in different hosts. However, in some cases, it results in low functional protein yield. To overcome this limitation, expression of a 6xHistag sdAb was attempted in different conditions in Escherichia coli BL21(DE3) cells...
June 2017: Data in Brief
https://www.readbyqxmd.com/read/28408080/-importance-of-using-basic-statistics-adequately-in-clinical-research
#14
Célio Fernando de Sousa Rodrigues, Fernando José Camello de Lima, Fabiano Timbó Barbosa
BACKGROUND AND OBJECTIVE: The inadequate use of basic statistics is the main responsible for scientific article misinterpretation. The purpose of this review article was to review some basic statistical topics to alert authors and readers about the importance of basic statistics proper reporting. CONTENT: A bibliographical and cross-sectional study was carried out,which analyzed publications in books and articles in the following databases: SciELO (Scientific Electronic Library Online) and PubMed (Available from the National Center for Biotechnology Information)...
April 10, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28404862/engagement-of-the-medical-technology-sector-with-society
#15
REVIEW
David Williams, Elazer R Edelman, Milica Radisic, Cato Laurencin, Darrel Untereker
The medical-technology sector must educate society in an unbiased rational way about the successes and benefits of biotechnology innovation.
April 12, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28383083/nanoplasmonic-sensors-for-biointerfacial-science
#16
REVIEW
Joshua A Jackman, Abdul Rahim Ferhan, Nam-Joon Cho
In recent years, nanoplasmonic sensors have become widely used for the label-free detection of biomolecules across medical, biotechnology, and environmental science applications. To date, many nanoplasmonic sensing strategies have been developed with outstanding measurement capabilities, enabling detection down to the single-molecule level. One of the most promising directions has been surface-based nanoplasmonic sensors, and the potential of such technologies is still emerging. Going beyond detection, surface-based nanoplasmonic sensors open the door to enhanced, quantitative measurement capabilities across the biointerfacial sciences by taking advantage of high surface sensitivity that pairs well with the size of medically important biomacromolecules and biological particulates such as viruses and exosomes...
April 6, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28376880/a-review-on-lactococcus-lactis-from-food-to-factory
#17
REVIEW
Adelene Ai-Lian Song, Lionel L A In, Swee Hua Erin Lim, Raha Abdul Rahim
Lactococcus lactis has progressed a long way since its discovery and initial use in dairy product fermentation, to its present biotechnological applications in genetic engineering for the production of various recombinant proteins and metabolites that transcends the heterologous species barrier. Key desirable features of this gram-positive lactic acid non-colonizing gut bacteria include its generally recognized as safe (GRAS) status, probiotic properties, the absence of inclusion bodies and endotoxins, surface display and extracellular secretion technology, and a diverse selection of cloning and inducible expression vectors...
April 4, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28363253/the-traumatic-brain-injury-endpoints-development-ted-initiative-progress-on-a-public-private-regulatory-collaboration-to-accelerate-diagnosis-and-treatment-of-traumatic-brain-injury
#18
Geoffrey T Manley, Christine L MacDonald, Amy Markowitz, Diane Stephenson, Ann Robbins, Raquel C Gardner, Ethan A Winkler, Yelena Bodien, Sabrina Taylor, John K Yue, Lakshmi Kannan, Allison Kumar, Michael McCrea, Kevin K W Wang
The Traumatic Brain Injury Endpoints Development (TED) Initiative is a 5-year, Department of Defense (DoD) funded project that is working toward the ultimate goal of developing better designed clinical trials, leading to more precise diagnosis, and effective treatments for traumatic brain injury (TBI). TED is comprised of leading academic clinician-scientists, along with innovative industry leaders in biotechnology and imaging technology, patient advocacy organizations, and philanthropists, working collaboratively with regulatory authorities, specifically the US Food and Drug Administration (FDA)...
March 31, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28359189/outlook-in-the-application-of-chlamydomonas-reinhardtii-chloroplast-as-a-platform-for-recombinant-protein-production
#19
Shabnam Shamriz, Hamideh Ofoghi
Microalgae, also called microphytes, are a vast group of microscopic photosynthetic organisms living in aquatic ecosystems. Microalgae have attracted the attention of biotechnology industry as a platform for extracting natural products with high commercial value. During last decades, microalgae have been also used as cost-effective and easily scalable platform for the production of recombinant proteins with medical and industrial applications. Most progress in this field has been made with Chlamydomonas reinhardtii as a model organism mainly because of its simple life cycle, well-established genetics and ease of cultivation...
March 30, 2017: Biotechnology & Genetic Engineering Reviews
https://www.readbyqxmd.com/read/28353001/de-novo-biosynthesis-of-trans-cinnamic-acid-derivatives-in-saccharomyces-cerevisiae
#20
Manuela Gottardi, Jan Dines Knudsen, Lydie Prado, Mislav Oreb, Paola Branduardi, Eckhard Boles
The production of natural aroma compounds is an expanding field within the branch of white biotechnology. Three aromatic compounds of interest are cinnamaldehyde, the typical cinnamon aroma that has applications in agriculture and medical sciences, as well as cinnamyl alcohol and hydrocinnamyl alcohol, which have applications in the cosmetic industry. Current production methods, which rely on extraction from plant materials or chemical synthesis, are associated with drawbacks regarding scalability, production time, and environmental impact...
March 29, 2017: Applied Microbiology and Biotechnology
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