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https://www.readbyqxmd.com/read/28330296/application-of-pectinases-for-recovery-of-grape-seeds-phenolics
#1
Petra Štambuk, Dora Tomašković, Ivana Tomaz, Luna Maslov, Domagoj Stupić, Jasminka Karoglan Kontić
Grape marc seeds contain large amounts of different polyphenolic compounds so they can be used for the recovery of these classes of compounds. A new green extraction method for the recovery of phenols from the grape seeds was developed. To provide a high quality extract sourced from natural product by using enzymes as alternative solvents and spending less energy, it is impeccable to call this method "green". Furthermore, this method was optimized by finding out which conditions provide the best possible results and achieving the maximum recovery of polyphenols from grape seeds...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330281/evaluation-of-bioactive-secondary-metabolites-from-endophytic-fungus-pestalotiopsis-neglecta-bab-5510-isolated-from-leaves-of-cupressus-torulosa-d-don
#2
Deeksha Sharma, Avijit Pramanik, Pavan Kumar Agrawal
Six endophytic fungi were isolated from Cupressus torulosa D.Don and identified phenotypically and genotypically. The fungal cultures were further grown and the culture was extracted by two organic solvents methanol and ethyl acetate. The screening was carried out using the agar well diffusion method against human pathogen such as Escherichia coli, Salmonella typhimurium, Bacillus subtilis and Staphylococcus aureus. Isolated strain of Pestalotiopsis sp. was showing prominent antibacterial activity. The crude methanol and ethyl acetate extract of Pestalotiopsis sp...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330280/culturable-endophytic-bacteria-associated-with-medicinal-plant-ferula-songorica-molecular-phylogeny-distribution-and-screening-for-industrially-important-traits
#3
Yong-Hong Liu, Jian-Wei Guo, Nimaichand Salam, Li Li, Yong-Guang Zhang, Jian Han, Osama Abdalla Mohamad, Wen-Jun Li
Xinjiang, a region of high salinity and drought, is a host to many arid and semi-arid plants. Many of these plants including Ferula spp. have indigenous pharmaceutical histories. As many of the medicinal properties of plants are in tandem with the associated microorganisms residing within the plant tissues, it is advisable to explore the endophytic potential of such plants. In the present study, diversity of culturable bacteria isolated from medicinal plants Ferula songorica collected from Hebukesaier, Xinjiang were analyzed...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330249/emulsifying-activity-of-a-biosurfactant-produced-by-a-marine-bacterium
#4
K Abraham Peele, V Ravi Teja Ch, Vidya P Kodali
Biosurfactants produced by biofilm-forming bacteria have great applications in biotechnology, pharmaceutical, food engineering, bioremediation, and biohydrometallurgy industries. This study aimed to find out the bacteria that produce novel exopolymers (EPSs) which can find potential role in oil biodegradation. A screening procedure was performed to detect EPS-producing bacteria. The EPS producing isolate was identified as Acinetobacter species by 16S rDNA analysis. The polymer produced by the isolate has shown significant emulsification and surfactant activities, and the activities were compared to some of the commercial emulsifiers...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330246/microbial-enzymes-industrial-progress-in-21st-century
#5
REVIEW
Rajendra Singh, Manoj Kumar, Anshumali Mittal, Praveen Kumar Mehta
Biocatalytic potential of microorganisms have been employed for centuries to produce bread, wine, vinegar and other common products without understanding the biochemical basis of their ingredients. Microbial enzymes have gained interest for their widespread uses in industries and medicine owing to their stability, catalytic activity, and ease of production and optimization than plant and animal enzymes. The use of enzymes in various industries (e.g., food, agriculture, chemicals, and pharmaceuticals) is increasing rapidly due to reduced processing time, low energy input, cost effectiveness, nontoxic and eco-friendly characteristics...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330196/cloning-and-expression-of-saccharomyces-cerevisiae-suc2-gene-in-yeast-platform-and-characterization-of-recombinant-enzyme-biochemical-properties
#6
Nooshin Mohandesi, Seyed Omid Ranaei Siadat, Kamahldin Haghbeen, Ardeshir Hesampour
Invertase (EC.3.2.1.26) catalyzes the hydrolysis of sucrose to an equimolar mixture of D-glucose and D-fructose which is of interest for various industrial applications. In this research, Saccharomyces cerevisiae invertase gene (SUC2) was optimized based on Pichia pastoris codon preference. The synthetic gene was introduced into the methylotrophic yeast Pichia pastoris under the control of the inducible AOX1 promoter. High level of the extracellular recombinant invertase (R-inv) production was achieved via methanol induction for 4 days and purified by His-Tag affinity chromatography which appeared to be a mixture of glycosylated proteins with various sizes of 85-95 kDa on SDS-PAGE...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330174/salicornia-evaluating-the-halophytic-extremophile-as-a-food-and-a-pharmaceutical-candidate
#7
REVIEW
Seema Patel
Food insecurity is a major issue in current scenario where a large section of mankind is at risk of insufficient diet. As food productivity has its limits, the prospecting of unutilized or underutilized flora as food candidates is collectively recognized as a sustainable option. In the past decade, a number of obscure plants have been identified to be rich in dietary components and deemed fit for integration into the food platter. This review discusses a candidate Salicornia, belonging to family Amaranthaceae...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330137/biotechnological-production-of-hyaluronic-acid-a-mini-review
#8
REVIEW
Jun Hui Sze, Jeremy C Brownlie, Christopher A Love
Hyaluronic acid (HA) is a polysaccharide found in the extracellular matrix of vertebrate epithelial, neural and connective tissues. Due to the high moisture retention, biocompatibility and viscoelasticity properties of this polymer, HA has become an important component of major pharmaceutical, biomedical and cosmetic products with high commercial value worldwide. Currently, large scale production of HA involves extraction from animal tissues as well as the use of bacterial expression systems in Streptococci...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330081/emerging-cam-ziziphus-nummularia-with-in-vivo-sedative-hypnotic-antipyretic-and-analgesic-attributes
#9
Abdur Rauf, Jawad Ali, Haroon Khan, Mohammad S Mubarak, Seema Patel
Ziziphus nummularia from Rhamnaceae family is traditionally used for sedative-hypnotic, antipyretic and analgesic purposes; however, scientific validations are lacking. This in vivo study was undertaken to verify the above ameliorative properties of Z. nummularia root methanolic extract. Various fractions of the extract were assayed on Balb/c mice by open field, Brewer's yeast-induced hyperthermia and acetic acid-induced writhing experiments. The significance of the outcomes was analyzed with statistical tests...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329446/in-vitro-intrinsic-permeability-a-transporter-independent-measure-of-caco-2-cell-permeability-in-drug-design-and-development
#10
Linda Fredlund, Susanne Winiwarter, Constanze Hilgendorf
In-vitro permeability data have a central place in absorption risk assessments in drug discovery and development. For compounds where active efflux impacts permeability in vitro, the inherent passive membrane permeability ("intrinsic permeability"), gives a concentration-independent measure of the compound's permeability. This work describes the validation of an in-vitro intrinsic permeability assay and application of the data in a predictive in-silico model. Apparent intrinsic permeability (Papp) across Caco-2 cell monolayers is determined in presence of an optimized cocktail of chemical inhibitors towards the three major efflux transporters ABCB1, ABCC2, and ABCG2...
March 22, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28328933/water-borne-pharmaceuticals-reduce-phenotypic-diversity-and-response-capacity-of-natural-phytoplankton-communities
#11
Francesco Pomati, Jukka Jokela, Sara Castiglioni, Mridul K Thomas, Luca Nizzetto
Chemical micropollutants occur worldwide in the environment at low concentrations and in complex mixtures, and how they affect the ecology of natural systems is still uncertain. Dynamics of natural communities are driven by the interaction between individual organisms and their growth environment, which is mediated by the organisms' expressed phenotypic traits. We tested whether exposure to a mixture of 12 pharmaceuticals and personal care products (PPCP) influences phenotypic trait diversity in lake phytoplankton communities and their ability to regulate biomass production to fit environmental changes (response capacity)...
2017: PloS One
https://www.readbyqxmd.com/read/28328885/introducing-therioepistemology-the-study-of-how-knowledge-is-gained-from-animal-research
#12
REVIEW
Joseph P Garner, Brianna N Gaskill, Elin M Weber, Jamie Ahloy-Dallaire, Kathleen R Pritchett-Corning
This focus issue of Lab Animal coincides with a tipping point in biomedical research. For the first time, the scale of the reproducibility and translatability crisis is widely understood beyond the small cadre of researchers who have been studying it and the pharmaceutical and biotech companies who have been living it. Here we argue that an emerging literature, including the papers in this focus issue, has begun to congeal around a set of recurring themes, which themselves represent a paradigm shift. This paradigm shift can be characterized at the micro level as a shift from asking "what have we controlled for in this model?" to asking "what have we chosen to ignore in this model, and at what cost?" At the macro level, it is a shift from viewing animals as tools (the furry test tube), to viewing them as patients in an equivalent human medical study...
March 22, 2017: Lab Animal
https://www.readbyqxmd.com/read/28328710/fatty-acid-saturation-of-albumin-used-in-resuscitation-fluids-modulates-cell-damage-in-shock-in-vitro-results-using-a-novel-technique-to-measure-fatty-acid-binding-capacity
#13
Alexander H Penn, Michael A Dubick, Ivo P Torres Filho
The use of albumin for resuscitation has not proven as beneficial in human trials as expected from numerous animal studies. One explanation could be the practice of adding fatty acid (FA) during manufacture of pharmaceutical albumin. During ischemia, unbound free FAs (FFA) in the circulation could potentially induce cellular damage. We hypothesized that albumins with higher available binding capacities (ABC) for FFAs may prevent that damage. Therefore, we developed a technique to measure ABC, determined if pharmaceutical human serum albumin (HSA) has decreased ABC compared to FA-free bovine serum albumin (BSA), and if binding capacity would affect hemolysis when blood is mixed with exogenous FFA at levels similar to those observed in shock...
March 21, 2017: Shock
https://www.readbyqxmd.com/read/28328012/free-fatty-acid-receptor-1-ffar1-as-an-emerging-therapeutic-target-for-type-2-diabetes-mellitus-recent-progress-and-prevailing-challenges
#14
REVIEW
Zheng Li, Xue Xu, Wenlong Huang, Hai Qian
The free fatty acid receptor 1 (FFAR1/GPR40) amplifies glucose-dependent insulin secretion; therefore, it has attracted widespread attention as a promising antidiabetic target. Current clinical proof of concept also indicates that FFAR1 agonists achieve the initially therapeutic endpoint for the treatment of type 2 diabetes mellitus (T2DM) without the hypoglycemic risk. Thus, many pharmaceutical companies and academic institutes are competing to develop FFAR1 agonists. However, several candidates have been discontinued in clinical trials, often without reporting the underlying reasons...
March 22, 2017: Medicinal Research Reviews
https://www.readbyqxmd.com/read/28327439/an-in-silico-functional-annotation-and-screening-of-potential-drug-targets-derived-from-leishmania-spp-hypothetical-proteins-identified-by-immunoproteomics
#15
Miguel A Chávez-Fumagalli, Mônica S Schneider, Daniela P Lage, Ricardo A Machado-de-Ávila, Eduardo A F Coelho
Leishmaniasis is a parasitic disease caused by the protozoan of the Leishmania genus. While no human vaccine is available, drugs such as pentavalent antimonials, pentamidine and amphotericin B are used for treat the patients. However, the high toxicity of these pharmaceutics, the emergence of parasite resistance and/or their high cost have showed to the urgent need of identify new targets to be employed in the improvement of the treatment against leishmaniasis. In a recent immunoproteomics approach performed in the Leishmania infantum species, 104 antigenic proteins were recognized by antibodies in sera of visceral leishmaniasis (VL) dogs...
March 19, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28327345/immunoassays-for-riboflavin-and-flavin-mononucleotide-using-antibodies-specific-to-d-ribitol-and-d-ribitol-5-phosphate
#16
G Ravi, Yeldur P Venkatesh
Riboflavin (vitamin B2), a water-soluble vitamin, plays a key role in maintaining human health. Though, numerous methods have been reported for the determination of total riboflavin (TRF) content in foods and biological samples, very few methods are reported for quantifying riboflavin and its coenzymes [flavin mononucleotide (FMN); flavin adenine dinucleotide (FAD)] individually. Recently, we have demonstrated that antibodies specific to d-ribitol and d-ribitol-5-phosphate also recognize riboflavin and FMN, respectively, and not vice-versa...
March 18, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28327136/perceptions-of-interprofessional-collaboration-of-general-practitioners-and-community-pharmacists-a-qualitative-study
#17
Christin Löffler, Carolin Koudmani, Femke Böhmer, Susanne D Paschka, Jennifer Höck, Eva Drewelow, Martin Stremme, Bernd Stahlhacke, Attila Altiner
BACKGROUND: Despite numerous evidences for the positive effect of community pharmacists on health care, interprofessional collaboration of pharmacists and general practitioners is very often limited. Though highly trained, pharmacists remain an underutilised resource in primary health care in most western countries. This qualitative study aims at investigating pharmacists' and general practitioners' views on barriers to interprofessional collaboration in the German health care system...
March 21, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28326542/current-and-future-therapies-for-addressing-the-effects-of-inflammation-on-hdl-cholesterol-metabolism
#18
REVIEW
Fatima Iqbal, Wendy S Baker, Madiha I Khan, Shwetha Thukuntla, Kevin H McKinney, Nicola Abate, Demidmaa Tuvdendorj
Cardiovascular disease (CVD) is a major cause of morbidity and mortality worldwide. Inflammatory processes arising from metabolic abnormalities are known to precipitate the development of CVD. Several metabolic and inflammatory markers have been proposed for predicting the progression of CVD, including high density lipoprotein cholesterol (HDL-C). For ~50 years, HDL-C has been considered as the atheroprotective 'good' cholesterol because of its strong inverse association with the progression of CVD. Thus, interventions to increase the concentration of HDL-C have been successfully tested in animals; however, clinical trials were unable to confirm the cardiovascular benefits of pharmaceutical interventions aimed at increasing HDL-C levels...
March 22, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28326465/pet-ct-evaluation-of-amyloid-systemic-involvement-with-18-f-florbetaben-in-patient-with-proved-cardiac-amyloidosis-a-case-report
#19
Dario Genovesi, Giuseppe Vergaro, Michele Emdin, Assuero Giorgetti, Paolo Marzullo
BACKGROUND: One of the most frequent disorders which lead to cardiac amyloidosis is transthyretin-related amyloidosis (ATTR). Some PET radio-pharmaceuticals for the detection of beta-amyloid deposits within the brain have shown to be able to detect also cardiac amyloid deposits. We present a case of a man with ATTR studied with [(18)F]-florbetaben PET-CT. RESULTS: Total-body scan showed a moderate uptake in the bone marrow, especially in correspondence of the vertebral column, while no significant myocardial uptake was present...
March 21, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28326179/clinic-continuity-of-care-clinical-outcomes-and-direct-costs-for-copd-in-sweden-a-population-based-cohort-study
#20
Sofia Sveréus, Kjell Larsson, Clas Rehnberg
Introduction: In this study we investigate whether clinic level continuity of care (COC) for individuals with chronic obstructive pulmonary disease (COPD) is associated with better health care outcomes and lower costs in a Swedish setting. Methods: Individuals with COPD (N = 20,187) were identified through ICD-10 codes in all Stockholm County health care registries in 2007-2011 (59% female, 40% in the age group 65-74 years). We followed the individuals prospectively for 365 days after their first outpatient visit in 2012...
2017: European Clinical Respiratory Journal
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