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https://www.readbyqxmd.com/read/28741518/companion-and-complementary-diagnostics-clinical-and-regulatory-perspectives
#1
REVIEW
Jan Trøst Jørgensen
Nearly 20 years ago, the US Food and Drug Administration (FDA) approved the first companion diagnostic assay and, today, this type of test governs the use of 18 different drugs. With the appearance of PD-L1 immunohistochemistry (IHC) assays linked to the use of different PD-1/PD-L1 immune checkpoint inhibitors, a new class of predictive biomarker assays has emerged; the complementary diagnostics. These are predictive biomarker assays that aid the therapeutic decision process but are not a prerequisite for receiving a specific drug, as is the case with companion diagnostics...
December 2016: Trends in Cancer
https://www.readbyqxmd.com/read/28741342/hygiene-pests-as-vectors-for-parasitic-and-bacterial-diseases-in-humans
#2
Marcin Cholewiński, Monika Derda, Edward Hadaś
Diseases transmitted by hygiene pests remain a very serious problem in spite of fast developments in science and medicine. The present study focuses on pests carrying germs that pose a threat to human health and life. The quick pace of life, the need to satisfy human needs and mass production of food sometimes result in flagrant sanitary, hygienic and epidemiological deficiencies. These irregularities are conducive to hygiene pests, which, when not held in check by proper control measures, may act more efficiently and quickly...
2017: Annals of Parasitology
https://www.readbyqxmd.com/read/28739655/critical-issues-in-food-allergy-a-national-academies-consensus-report
#3
Scott H Sicherer, Katrina Allen, Gideon Lack, Steve L Taylor, Sharon M Donovan, Maria Oria
The National Academies of Sciences, Engineering, and Medicine convened an expert, ad hoc committee to examine critical issues related to food allergy. The authors of the resulting report, "Finding a Path to Safety in Food Allergy: Assessment of the Global Burden, Causes, Prevention, Management, and Public Policy," evaluated the scientific evidence on the prevalence, diagnosis, prevention, and management of food allergy and made recommendations to bring about a safe environment for those affected. The committee recommended approaches to monitor prevalence, explore risk factors, improve diagnosis, and provide evidence-based health care...
July 24, 2017: Pediatrics
https://www.readbyqxmd.com/read/28739109/generation-of-glucose-sensitive-insulin-secreting-beta-like-cells-from-human-embryonic-stem-cells-by-incorporating-a-synthetic-lineage-control-network
#4
Pratik Saxena, Daniel Bojar, Henryk Zulewski, Martin Fussenegger
We previously reported novel technology to differentiate induced pluripotent stem cells (IPSCs) into glucose-sensitive insulin-secreting beta-like cells by engineering a synthetic lineage-control network regulated by the licensed food additive vanillic acid. This genetic network was able to program intricate expression dynamics of the key transcription factors Ngn3 (neurogenin 3, OFF-ON-OFF), Pdx1 (pancreatic and duodenal homeobox 1, ON-OFF-ON) and MafA (V-maf musculoaponeurotic fibrosarcoma oncogene homologue A, OFF-ON) to guide the differentiation of IPSC-derived pancreatic progenitor cells to beta-like cells...
July 21, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28738717/optimization-of-simultaneous-microwave-ultrasonic-assisted-extraction-of-phenolic-compounds-from-walnut-flour-using-response-surface-methodology
#5
Yan Luo, Wanxing Wu, Dan Chen, Yuping Lin, Yage Ma, Chaoyin Chen, Shenglan Zhao
CONTEXT: Walnut is a traditional food as well as a traditional medicine recorded in the Chinese Pharmacopoeia; however, the large amounts of walnut flour (WF) generated in walnut oil production have not been well utilized. OBJECTIVE: This study maximized the total polyphenolic yield (TPY) from the walnut flour (WF) by optimizing simultaneous ultrasound/microwave-assisted hydroalcoholic extraction (SUMAE). MATERIALS AND METHODS: Response surface methodology was used to optimize the processing parameters for the TPY, including microwave power (20-140 W), ultrasonic power (75-525 W), extraction temperature (25-55 °C), and time (0...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28738692/flavonoid-profile-antioxidant-and-antiglycation-properties-of-retama-sphaerocarpa-fruits-extracts
#6
S Boussahel, F Cacciola, S Dahamna, L Mondello, A Saija, F Cimino, A Speciale, M Cristani
Retama sphaerocarpa occurs in the Mediterranean area of North-east Africa and in the Iberian Peninsula, and grows on a variety of soil types and climatic conditions. Used in Algerian folk medicine, it is a valuable species for revegetation and soil restoration. The aim of this study is to evaluate flavonoid composition and antioxidant and antiglycation properties of methanolic and aqueous extracts from R. sphaerocarpa fruits. HPLC-PDA/ESI-MS was used to identify/quantify flavonoid content. Antioxidant activity was evaluated by Folin-Ciocalteu, ORAC, FRAP, TEAC, and DPPH assays, and antiglycation capability by glucose/fructose-BSA assay...
July 24, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28736866/antibacterial-activity-of-fusion-from-biosynthesized-acidocin-silver-nanoparticles-and-its-application-for-eggshell-decontamination
#7
A B Abeer Mohammed, Mahmoud A Al-Saman, Ahmed A Tayel
Bacteriocins from lactic acid bacteria (LAB) are useful to control the persistent development of pathogenic microorganisms in food and medicine fields. The bacteriocin acidocin was extracted from Lactobacillus acidophilus M1 that was isolated from fermented milk, purified using ammonium sulphate fractionation, and gel filtration column chromatography using Sephadex matrix and applied as a potential antibacterial agent. The molecular weight of the purified acidocin was estimated using SDS-PAGE to be 6.6 kDa...
July 24, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/28735728/artemisia-argyi-attenuates-airway-inflammation-in-ovalbumin-induced-asthmatic-animals
#8
Na-Rae Shin, Hyung-Won Ryu, Je-Won Ko, Sung-Hyeuk Park, Heung-Joo Yuk, Ha-Jung Kim, Jong-Choon Kim, Seong-Hun Jeong, In-Sik Shin
ETHNOPHARMACOLOGICAL RELEVANCE: Artemisia argyi is a traditional herbal medicine in Korea and commonly called as mugwort. It is traditionally used as food source and tea to control abdominal pain, dysmenorrhoea, uterine haemorrhage, and inflammation. AIM OF THE STUDY: We investigated the effects of A. argyi (TOTAL) and dehydromatricarin A (DA), its active component on ovalbumin (OVA)-induced allergic asthma. MATERIALS AND METHODS: The animals were sensitized on day 0 and 14 by intraperitoneal injection of OVA with aluminum hydroxide...
July 20, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28734784/drug-delivery-innovations-to-address-global-health-challenges-for-pediatric-and-geriatric-populations-through-improvements-in-patient-compliance
#9
Joshua Boateng
Despite significant advances in pharmaceutical and biotechnological drug discovery, the global population is plagued with many challenging diseases. These are further compounded by anticipated explosion in an ageing population, which presents several problems such as polypharmacy, dysphagia and neurological conditions, resulting in non-compliance and disease complications. For antibiotics, poor compliance, can result in development of drug resistant infections which can be fatal. Further, children, especially, in developing countries die unnecessarily from easily treatable diseases (e...
July 19, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28733195/the-evolving-role-of-companion-diagnostics-for-breast-cancer-in-an-era-of-next-generation-omics
#10
REVIEW
Jason N Rosenbaum, Paul Weisman
A companion diagnostic is a test for a specific biomarker-approved by the United States Food and Drug Administration-qualifying a patient to receive a specific, associated therapy. As interest has grown in precision medicine over the last decade, the principle of companion diagnostics has gained increasing purchase among laboratory professionals, clinicians, regulators, and even patients. The evolution of the biomarkers used to stratify and treat breast cancer illustrates the history of companion diagnostics, and provides a lens through which to examine potential challenges...
July 18, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28732469/microsatellite-marker-development-by-partial-sequencing-of-the-sour-passion-fruit-genome-passiflora-edulis-sims
#11
Susan Araya, Alexandre M Martins, Nilton T V Junqueira, Ana Maria Costa, Fábio G Faleiro, Márcio E Ferreira
BACKGROUND: The Passiflora genus comprises hundreds of wild and cultivated species of passion fruit used for food, industrial, ornamental and medicinal purposes. Efforts to develop genomic tools for genetic analysis of P. edulis, the most important commercial Passiflora species, are still incipient. In spite of many recognized applications of microsatellite markers in genetics and breeding, their availability for passion fruit research remains restricted. Microsatellite markers in P. edulis are usually limited in number, show reduced polymorphism, and are mostly based on compound or imperfect repeats...
July 21, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28731232/a-comprehensive-review-of-agrimoniin
#12
REVIEW
Daniel M Grochowski, Krystyna Skalicka-Woźniak, Ilkay Erdogan Orhan, Jianbo Xiao, Marcello Locatelli, Jakub P Piwowarski, Sebastian Granica, Michał Tomczyk
Plant tannins are a unique class of polyphenols with relatively high molecular weights. Within the ellagitannins group, agrimoniin--dimeric ellagitannin--is one of the most representative compounds found in many plant materials belonging to the Rosaceae family. Agrimoniin was first isolated in 1982 from roots of Agrimonia pilosa Ledeb. (Rosaceae), a plant traditionally used in Japan and China as an antidiarrheal, hemostatic, and antiparasitic agent. Agrimoniin is a constituent of medicinal plants, which are often applied orally in the form of infusions, decoctions, or tinctures...
July 21, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28730130/nutritional-counseling-for-obese-children-with-obesity-related-metabolic-abnormalities-in-korea
#13
REVIEW
Ki Soo Kang
Child obesity has become a significant health issue in Korea. Prevalence of obesity in school-age children in Korea has been alarmingly rising since 2008. Prevalence of obesity among infants and preschool-age children in Korea has doubled since 2008. Obese children may develop serious health complications. Before nutritional counseling is pursued, several points should be initially considered. The points are modifiable risk factors, assessment for child obesity, and principles of treatment. Motivational interviewing and a multidisciplinary team approach are key principles to consider in managing child obesity effectively in the short-term as well as long-term...
June 2017: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28726757/characterization-of-essential-oil-composition-in-different-basil-species-and-pot-cultures-by-a-gc-ms-method
#14
Andrea Muráriková, Anton Ťažký, Jarmila Neugebauerová, Alexandra Planková, Josef Jampílek, Pavel Mučaji, Peter Mikuš
Basil (Ocimum L.) species are used as medicinal plants due to their essential oils exhibiting specific biological activity. The present work demonstrated that both the variety and season/conditions of cultivation had a significant effect on (i) the produced amount (extraction yield), (ii) qualitative, as well as (iii) quantitative profile of basil essential oil. Among studied basil varieties, a new variety, 'Mánes', was characterized for the first time. Based on our quantitative evaluation of GC-MS profiles, the following chemotypes and average concentrations of a main component were detected in the studied basil varieties: 'Ohře', 'Lettuce Leaf', 'Purple Opaal', 'Dark Green' (linalool, 5...
July 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28725632/medicinal-importance-pharmacological-activities-and-analytical-aspects-of-hispidulin-a-concise-report
#15
REVIEW
Kanika Patel, Dinesh Kumar Patel
Herbal medicines have been played an important role in the human civilization since very ancient time as a food, cloth, medicine and other aspects. Some of the important drugs in the modern medicine were derived from the natural sources such as aspirin, digitalis, quinine, vincristine, vinblastine etc. Hispidulin (4', 5, 7-trihydroxy-6-methoxyflavone) is a flavones derivative found in plant such as Grindelia argentina, Arrabidaea chica, Saussurea involucrate, Crossostephium chinense, Artemisia and Salvia species...
July 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28723287/advanced-renal-cell-carcinoma-role-of-the-radiologist-in-the-era-of-precision-medicine
#16
Atul B Shinagare, Katherine M Krajewski, Marta Braschi-Amirfarzan, Nikhil H Ramaiya
For the past decade, advanced renal cell carcinoma (RCC) has been at the forefront of oncologic innovation. Our rapidly evolving understanding of the molecular and genetic basis of RCC has revolutionized the management of advanced RCC; 10 novel molecular targeted agents and immune checkpoint inhibitor have received U.S. Food and Drug Administration approval for treatment of advanced RCC in a little over a decade. Amid this progress, imaging has assumed a central role in metastatic surveillance and follow-up of advanced RCC...
August 2017: Radiology
https://www.readbyqxmd.com/read/28721737/a-new-water-soluble-nano-micelle-through-self-assembly-pectin-curcumin-conjugates-preparation-characterization-and-anti-cancer-activity-evaluation
#17
Feng Bai, Jiajing Diao, Ying Wang, Shixin Sun, Hongmei Zhang, Yunyun Liu, Yanqing Wang, Jian Cao
Curcumin is a dominating active component of curcuma longa and has been studied widely because of its prominent biological activities. Extremely low aqueous solubility, stability and bioavailability of curcumin limits its application in the field of medicine. In this study, we developed pectin-curcumin (PEC-CCM) conjugates which could self-assemble water-soluble nano-micelles in aqueous solution. The structure of PEC-CCM conjugates was characterized by ultraviolet and visible spectra (UV-Vis), fluorescence spectra, Fourier transform infrared (FTIR) spectroscopy and 1H nuclear magnetic resonance (NMR) spectroscopy...
July 19, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28721651/in-vitro-anti-inflammatory-and-antioxidant-activities-of-3-5-4-trihydroxy-6-7-methylenedioxyflavone-o-glycosides-and-their-aglycone-from-leaves-of-polygonum-tinctorium-lour
#18
Shota Tokuyama-Nakai, Hideto Kimura, Tomoe Ishihara, Mitsuo Jisaka, Kazushige Yokota
Polygonum tinctorium Lour (indigo plant) has been regarded as a useful medicinal plant for traditional herbal medicine. The polyphenolic fraction of indigo leaves exhibited anti-inflammatory activities as determined by the suppressed synthesis of nitric oxide (NO) in cultured RAW264 macrophage cells. The acid hydrolysate of the fraction showed much more potent effect than the unhydrolyzed one. In sharp contrast, those fractions of indigo stems had almost no effect. 3,5,4'-Trihydroxy-6,7-methylenedioxyflavone (TMF)-O-glycosides and tryptanthrin were detected exclusively in the extracts of the leaves...
July 18, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28721159/pcsk9-inhibitors-from-discovery-of-a-single-mutation-to-a-groundbreaking-therapy-of-lipid-disorders-in-one-decade
#19
Krzysztof Jaworski, Piotr Jankowski, Dariusz A Kosior
Hypercholesterolemia is one of the main risk factors for coronary heart disease and significantly contributes to the high mortality associated with cardiovascular diseases. Statin therapy represents the gold standard in the reduction of low-density lipoprotein cholesterol concentration. Nevertheless, many patients still cannot achieve the recommended target levels, due to either inadequate effectiveness or intolerance of these drugs. Monoclonal antibodies that inhibit proprotein convertase subtilisin/kexin type 9 (PCSK9) have emerged as a promising option in lipid-lowering treatment...
June 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28721009/patient-profiles-and-clinical-utility-of-mepolizumab-in-severe-eosinophilic-asthma
#20
REVIEW
Pranabashis Haldar
Mepolizumab (Nucala(®)) is an effective and specific anti-eosinophil molecular therapy that has recently been approved as add-on therapy for the management of severe eosinophilic asthma by the US Food and Drug Administration (FDA), European Medicines Agency (EMA; European Union) and more recently National Institute for Health and Care Excellence (NICE; UK). It is one of several molecular therapies in development for this indication and is illustrative of the strategic trajectory for pharmaceutical drug development taken over the past decade in several disease areas...
2017: Biologics: Targets & Therapy
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