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Current Pharmaceutical Biotechnology

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https://www.readbyqxmd.com/read/28545359/microbial-enzymatic-degradation-of-biodegradable-plastics
#1
Roohi, Kulsoom Bano, Mohammed Kuddus, Mohd Rehan Zaheer, Qamar Zia, Mohd Farhan Khan, Ghulam Md Ashraf, Gjumrakch Aliev
Background The use of different types of plastics in the world either synthetic or biodegradable has become a part in all sectors of the economy. Infrastructure such as agriculture, building and construction, telecommunication, consumer goods, packaging, health and medical are all high growth areas that ensure a spiralling demand for plastics. Lack of degradability, environmental pollution and closing of landfill sites has led to concern more about plastic waste disposal. Appropriate biodegradation should occur for these water-immiscible polymers since they eventually enter streams which can neither be recycled nor incinerated and also not despoiled with existing physical and chemical means of degradation...
May 23, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28545358/molecular-imaging-of-tumor-angiogenesis-and-therapeutic-effects-with-dual-bioluminescence
#2
Ran Wang, Kaiyue Zhang, Hongyan Tao, Wei Du, Di Wang, Ziwei Huang, Manqian Zhou, Yang Xu, Yuebing Wang, Na Liu, Hui Wang, Zongjin Li
BACKGROUND: Angiogenesis is critical for the growth of tumor by supplying nutrients and oxygen that exacerbates the metastasis and progression of cancer. Noninvasive imaging of angiogenesis during the tumor therapeutic processes may provide novel opportunities for image-guided tumor management. OBJECTIVE: Here, we want to develop a mouse animal model for assessing cancer progression and angiogenesis in the same individuals by molecular imaging. METHODS: Breast cancer model was developed with mouse breast cancer cell line 4T1 carrying a reporter system encoding a triple fusion (TF) reporter gene consisting of renilla luciferase (Rluc), red fluorescent protein (RFP) and herpes simplex virus truncated thymidine kinase (HSV-ttk) in transgenic mice, which expressed firefly luciferase (Fluc) under the promoter of vascular endothelial growth factor receptor 2 (Vegfr2-luc)...
May 23, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28524000/the-effect-of-a-common-antibiotics-doxycycline-on-non-healing-chronic-wound
#3
Dixon H Xu, Ziwen Zhu, Yujiang Fang
Up to 25% of diabetic patients will develop a diabetic foot ulcer. Chronic wounds such as diabetic foot ulcers often fail to heal with conventional therapies. In recent years, it has been identified that chronic wounds are usually associated with elevated level of matrix metalloproteinases (MMPs). Doxycycline, a cheap tetracycline antibiotic, has been shown to inhibit MMPs both in vitro and in vivo independent of its antimicrobial property. In this review, we provide an overview of the roles of MMPs in the pathogenesis of chronic wounds and explore the potential application of doxycycline as a treatment option in managing chronic wounds such as diabetic foot ulcers...
May 18, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28482785/microemulsions-for-protein-delivery-loading-optimization-and-stability
#4
Diego R Perinelli, Marco Cespi, Stefania Pucciarelli, Silvia Vincenzetti, Luca Casettari, Jenny K W Lam, Serena Logrippo, Elisa Canala, Mahmoud E Soliman, Giulia Bonacucina, Giovanni F Palmieri
BACKGROUND: Microemulsions are attractive delivery systems for therapeutic proteins and peptides due to their ability to enhance bioavailability. Although different proteins and peptides have been successfully delivered through such ternary systems, no information can be found about protein loading and the formulation stability when such microemulsions are prepared with pharmaceutically-approved oils and surfactants. The aim of this work was to optimise a ternary system consisting of water/ethyl oleate/Span 80-Tween 80 and to determine its protein loading capacity and stability, using bovine serum albumin (BSA) as a model of biomolecule...
May 7, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28464772/encapsulation-in-cell-therapy-methodologies-materials-and-clinical-applications
#5
P Gálvez-Martín, M J Martin, M A Ruiz, B Clares
The clinical application of cells and the development of new delivery systems have allowed significant advances in the field of cell therapy and encapsulation in recent years. The ability to combine cells and biocompatible matrices in the encapsulation of cells providing long-term delivery has provided new therapeutic alternatives in the development of new therapies. Cell encapsulation provides increased retention time in the target tissue improving its therapeutic efficacy. This technology involves the development of a physical barrier (natural or synthetic matrix surrounded by a semipermeable membrane) to isolate and protect cells from the host's immune system maintaining the microenvironment of embedded cells, their viability and their capacity of differentiation, improving their function in vivo, and reducing side effects associated with the use of immunosuppressive therapy...
May 1, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28464771/evaluation-of-fourteen-aurone-derivatives-as-potential-anti-cancer-agents
#6
Gheda Alsaif, Nadin Almosnid, Ian Hawkins, Zachary Taylor, Deborah L T Knott, Scott Handy, Elliot Altman, Ying Gao
BACKGROUND: Aurones are a sub-set of the flavone family that possess a number of biological activities, including anti-cancer, anti-inflammatory, anti-microbial, anti-parasitic and anti-viral. Due to their high availability, simple synthesis, and generally low toxicity, aurones could be attractive candidates for safer cancer drugs. This study aims to evaluate the anti-proliferation and anti-metastasis activity of a series of synthesized aurone derivatives. METHODS: A series of aurone derivatives with simple unsubstituted coumaranone (benzofuranone) fragments and a range of alkylidene fragments have been prepared and tested for anti-proliferation activity against human cancer cell lines A549 (lung), BT20 (breast) and MCF7 (breast), and anti-metastasis activity against A549...
May 1, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28443510/a-combination-of-egg-yolk-igy-and-phosvitin-inhibits-the-growth-of-enterotoxigenic-escherichia-coli-k88-and-k99
#7
Naiyana Gujral, Heejoo Yoo, Fatemeh Bamdad, Kwang Yong Lee, Joo-Won Suh, Hoon Sunwoo
BACKGROUND: Enterotoxigenic Escherichia coli (ETEC) is the main cause of fatal diarrhea in piglets during the first week of life and over the time of weaning. Pathogenesis of ETEC-causing diarrhea involves intestinal colonization mediated by fimbriae. Although, both IgY and egg yolk phosvitin (PV) possess antimicrobial activity, their combined activity has not been explored. A combination of IgY specific for ETEC and metal-chelating PV may show synergistic effect in reducing the growth of ETEC by inhibiting bacterial proliferation and stipulating protection against ETEC infection...
April 25, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28443509/pharmacokinetics-tissue-distribution-and-excretion-study-of-fluorescein-labeled-ps916-in-rats
#8
Yu Mingming, Wang Yuanhong, Ma Fugang, Yu Weijie, Jiang Tingfu, L V Zhihua
BACKGROUND: PS916, chitosan derivatives with shown activities in atherosclerotic and fatty liver, is being investigated as an anti-atherosclerotic agent in clinical trials in China. METHODS: Fluorescein-labeled PS916 (PS916-FTC) was prepared by the reaction with fluorescein isothiocyanate. The pharmacokinetics and bio-disposition of PS916-FTC were studied in rats after oral or intravenous administration. RESULTS: Analysis of the plasma, urine, fecal and tissue samples collected at intervals up to 72 h revealed that PS916-FTC exhibited moderate volume of distribution (Vss, 0...
April 25, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28413977/new-suggestions-in-sublingual-immunotherapy-for-house-dust-mite-related-allergic-diseases
#9
Matteo Ferrando, Diego Bagnasco, Giovanni Passa-Lacqua, Francesca Puggioni, Gilda Varricchi, Giorgio Walter Canonica
BACKGROUND: The indications for Allergen immunotherapy (AIT) in patients suffering from House Dust Mite (HDM)-related allergic diseases are presently based on incomplete data. This is essentially based on the fact that HDM allergy is difficult to evaluate in clinical trials, due to the largely variable allergen exposure and symptoms, and to the long periods of observation needed to assess the effects. In addition, at variance with pollen allergy, in HDM allergy asthma is more prevalent...
April 17, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28322160/an-efficient-transient-expression-system-for-enhancing-generation-of-monoclonal-antibodies-in-293-suspension-cells
#10
Guoquan Zhang, Jie Liu, Wanting Fan, Qianyi Chen, Bin Shi
BACKGROUND: Recombinant monoclonal antibodies (mAbs) are useful in research, diagnosis, and therapy. The increased demands of recombinant mAbs require efficient production systems. A variety of expression vectors have been developed for stable or transient production of mAb in mammalian cells. However, though a few commercial expression systems of mAbs can be listened, the high expense often impedes academia researches. METHODS: In this study, we described the development of a transient mammalian system based on a bicistronic vector, which contains internal ribosome entry site (IRES) and enhancer elements to express IgG1 light chain (LC) and heavy chain (HC) in one transcript...
March 20, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28294060/wine-chemical-composition-and-radical-scavenging-activity-of-some-cabernet-franc-clones
#11
Jelena Popović-Djordjević, Boris Pejin, Aleksandra Dramićanin, Sonja Jović, Dragan Vujović, Dragoljub Žunić, Renata Ristić
BACKGROUND: Three clones of Cabernet Franc (Nos. 02, 010 and 012) were selected in the last phase of clonal selection in Serbia. Wines made from each clone were assessed for quality parameters and taste during five consecutive vintages (2008-2012) and compared to the standard. The wine quality was determined based on the following parameters: alcohol, total extract, anthocyanins, tannins, pH, titratable acidity, volatile acidity, aldehydes, esters and reducing sugars, relative density, ash, colour, tonality, and tasting score...
March 13, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28294059/phytochemical-screening-alpha-glucosidase-inhibition-antibacterial-and-antioxidant-potential-of-ajuga-bracteosa-extracts
#12
Kokab Hafeez, Saiqa Andleeb, Tahseen Ghousa, Kalsoom Akhter
BACKGROUND: Ajuga bracteosa, a medicinal herb, used by local community to cure a number of diseases such as inflammation, jaundice bronchial asthma, cancer and diabetes. OBJECTIVES: The aim of present work was to evaluate the antioxidant potential, in vitro antidiabetic and antimicrobial effects of A. bracteosa. METHODS: n-hexane, ethyl acetate, chloroform, acetone, methanol and aqueous extracts of Ajuga bracteosa roots, were prepared via maceration...
March 12, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28240174/hormone-therapy-and-delivery-strategies-against-cardiovascular-diseases
#13
Gayathri Acharya, Nurhasni Hasan, Jin-Wook Yoo, Chi H Lee
This review article is aimed to delineate the potential role of hormones in the treatment and diagnosis of cardiovascular diseases with special emphasis on the nitric oxide (NO) involved mechanisms. This review will also offer an overview on current and future hormone usages, pathophysiology, clinical features, absorption mechanisms and adverse effects. The hormone therapies against cardiovascular diseases as well as their treatment strategies, delivery routes and carriers were thoroughly discussed. Ongoing and future basic and clinical research with hormone will provide important insights into efficient treatment strategies against cardiovascular diseases...
February 23, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28240173/personalized-medicine-of-alcohol-addiction-pharmacogenomics-and-beyond
#14
Vangelis George Manolopoulos, Georgia Ragia
Alcohol addiction or alcoholism is the most severe form of problem drinking. A variety of treatment methods for alcoholism are currently available that combine medications, behavioral treatment and peer support. The drugs that are currently approved by the U.S. Food and Drug Administration (FDA) for treatment of alcohol dependence are disulfiram, naltrexone and acamprosate. For many patients, however, these treatments are not effective. Evidence from a number of different studies suggests that different factors, both psychosocial and economic, as well as genetic variation, are significant contributors to interindividual variation both of clinical presentation of alcohol problems and response to a given treatment...
February 23, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28240172/clinical-applications-of-personalized-medicine-a-new-paradigm-and-challenge
#15
Mariantonia Di Sanzo, Vittorio Fineschi, Marina Borro, Raffaele La Russa, Alessandro Santurro, Matteo Scopetti, Maurizio Simmaco, Paola Frati
The personalized medicine is an emergent and rapidly developing method of clinical practice that uses new technologies to provide decisions in regard to the prediction, prevention, diagnosis and treatment of disease. The continue evolution of technology and the developments in molecular diagnostics and genomic analysis increased the possibility of an even more understanding and interpretation of the human genome and exome, allowing a "personalized" approach to clinical care, so that the concepts of "Systems Medicine" and "System Biology" are increasingly actual...
February 23, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28190384/lactic-acid-bacteria-with-concomitant-il-17-il-23-and-tnf%C3%AE-binding-ability-for-the-treatment-of-inflammatory-bowel-disease
#16
Staša Kosler, Borut Štrukelj, Aleš Berlec
BACKGROUND: Neutralization of proinflammatory cytokines is an established strategy in the treatment of inflammatory bowel disease (IBD). Systemic anti-TNFα antibodies have been used in the clinics for several years, while anti-IL-17/IL-23 antibodies have been less successful so far. We report the development of safe lactic acid bacterium Lb. salivarius with the ability to simultaneously bind IL-17A, IL-23 and TNFα that could be administered orally for the treatment of IBD. METHODS: Three different cytokine-binding non-Ig scaffolds (anti-IL-17A fynomer, anti-IL-23-binding adnectin and anti-TNFα-binding affibody) were cloned and expressed in L...
February 10, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28183244/personalised-healthcare-the-dima-clinical-model
#17
Marina Borro, Giovanna Gentile, Vittorio Fineschi, Zeno Földes-Papp, Paola Frati, Alessandro Santurro, Luana Lionetto, Maurizio Simmaco
Large-scale application of Personalized Medicine requires a multi-disciplinal environment allowing synergic cooperation among different competences. Strict collaboration between medical and medical sciences, as informatics, ethics, politics, are needed to face the challenges of one-sized healthcare. In spite of the increasing interest, how this system can be globally realized remains tentative. Yet, a relatively small, Personalised Healthcare Service is providing a proof-of principle organizational model to guide implementation into clinical practice...
February 8, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28176639/personalized-medicine-in-the-paediatric-population-the-balance-between-pharmacogenetics-progress-and-bioethics
#18
Stefania Schiavone, Margherita Neri, Cristoforo Pomara, Irene Riezzo, Luigia Trabace, Emanuela Turillazzi
Personalized medicine (PM) is becoming increasingly important in contemporary clinical and research scenarios. In the context of PM, pharmacogenomics and pharmacogenetics are aimed at the genetic personalization of drug response. Extrinsic and intrinsic factors may explain inter-individual variability in drug response. Among such factors, age seems to specifically intervene to modulate drug response since normal developmental changes may influence the exposure-response relation. Consequently, the potential benefit of pharmacogenomics (PGx) in the paediatric population is considerable...
February 7, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28176638/personalized-medicine-and-adverse-drug-reactions-the-experience-of-an-italian-teaching-hospital
#19
Raffaele La Russa, Vittorio Fineschi, Mariantonia Di Sanzo, Vittorio Gatto, Alessandro Santurro, Gabriella Martini, Matteo Scopetti, Paola Frati
The personalized medicine is a model of medicine based on inherent difference given by the genetic heritage that characterizes us, diversity that can affect also our response to administered therapy. Nowadays, the term "adverse drug reaction" is identified with any harmful effect involuntary resulting from the use of a medicinal product; pharmacogenomics, in this field, has the aim to improve the drug response and to reduce the adverse reaction. We analyzed all reports of adverse reaction collected in the Pharmacovigilance Centre database of an Italian University Hospital, at the Sant'Andrea Hospital Sapienza University of Rome, in a period of two years...
February 7, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28176637/personalized-medicine-applied-to-forensic-sciences-new-advances-and-perspectives-for-a-tailored-forensic-approach
#20
Alessandro Santurro, Anna Maria Vullo, Marina Borro, Giovanna Gentile, Raffaele La Russa, Maurizio Simmaco, Paola Frati, Vittorio Fineschi
Personalized medicine (PM), included in P5 medicine (Personalized, Predictive, Preventive, Participative and Precision medicine) is an innovative approach to the patient, emerging from the need to tailor and to fit the profile of each individual. PM promises to dramatically impact also on forensic sciences and justice system in ways we are only beginning to understand. The application of omics (genomic, transcriptomics, epigenetics/imprintomics, proteomic and metabolomics) is ever more fundamental in the so called "molecular autopsy"...
February 7, 2017: Current Pharmaceutical Biotechnology
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