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https://www.readbyqxmd.com/read/29327746/silk-nanoparticles-from-inert-supports-to-bioactive-natural-carriers-for-drug-delivery
#1
REVIEW
Barbara Crivelli, Sara Perteghella, Elia Bari, Milena Sorrenti, Giuseppe Tripodo, Theodora Chlapanidas, Maria Luisa Torre
Silk proteins have been studied and employed for the production of drug delivery (nano)systems. They show excellent biocompatibility, controllable biodegradability and non-immunogenicity and, if needed, their properties can be modulated by blending with other polymers. Silk fibroin (SF), which forms the inner core of silk, is a (bio)material officially recognized by the Food and Drug Administration for human applications. Conversely, the potential of silk sericin (SS), which forms the external shell of silk, could still be considered under evaluation...
January 12, 2018: Soft Matter
https://www.readbyqxmd.com/read/29323534/healthy-foods-prepared-at-home-diet-and-support-as-protective-strategies-during-pregnancy-for-hispanic-women
#2
Allison L Hopkins, Michelle Yeoman, Cheryl Ritenbaugh
Birth outcomes tend to be better among Hispanics than among other ethnic groups, even when matched for poverty and education, and foreign-born Latinas compared to their US-born counterparts. These patterns suggest that sociocultural factors exhibited by recent immigrants have the potential to protect birth outcomes against the instability of minority and low socioeconomic status. To discover potential sociocultural factors, a pilot qualitative study was carried out in Tucson, Arizona, with 18 Hispanic mothers...
January 11, 2018: Ecology of Food and Nutrition
https://www.readbyqxmd.com/read/29315503/the-clinical-implications-of-immunogenomics-in-colorectal-cancer-a-path-for-precision-medicine
#3
REVIEW
Jenny M Riley, Ashley W Cross, Chrystal M Paulos, Mark P Rubinstein, John Wrangle, E Ramsay Camp
Colorectal cancer (CRC) remains the third most common malignancy and the second-leading cause of cancer-related deaths in the United States. Large multi-omic databases, such as The Cancer Genome Atlas and the International Colorectal Cancer Subtyping Consortium, have identified distinct molecular subtypes related to anatomy. The identification of genomic alterations in CRC is now critical because of the recent success and US Food and Drug Administration approval of pembrolizumab and nivolumab for microsatellite-instable tumors...
January 9, 2018: Cancer
https://www.readbyqxmd.com/read/29314036/multilayer-emulsions-as-a-strategy-for-linseed-oil-and-alpha-lipoic-acid-micro-encapsulation-study-on-preparation-and-in-vitro-characterization
#4
Juan Huang, Qiang Wang, Tong Li, Nan Xia, Qiang Xia
BACKGROUND: Linseed oil and alpha-lipoic acid are bioactive ingredients, which play an important role in human's nutrition and health. However, their application in functional foods is limited because of their instabilities and poor solubilities in hydrophilic matrices. Multilayer emulsions are particularly useful to protect encapsulated bioactive ingredients. The aim of this study was to fabricate multilayer emulsions by high pressure homogenization method to encapsulate linseed oil and alpha-lipoic acid simultaneously...
January 4, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29284698/food-security-and-nutrition-outcomes-of-farmer-field-schools-in-eastern-democratic-republic-of-the-congo
#5
Shannon Doocy, Sarah Cohen, Jillian Emerson, Joseph Menakuntuala, Jozimo Santos Rocha
BACKGROUND: Food and nutrition security in eastern Democratic Republic of the Congo are threatened by political instability and chronic poverty. The Jenga Jamaa II project, implemented between 2011 and 2016 in South Kivu Province, aimed to improve household food security and child nutritional status using various intervention strategies, including farmer field school (FFS) programs. OBJECTIVE: To characterize the changes in agricultural production techniques, household food security, and child nutritional status associated with participation in FFS programs...
December 28, 2017: Global Health, Science and Practice
https://www.readbyqxmd.com/read/29249295/eating-during-hemodialysis-treatment-a%C3%A2-consensus-statement-from-the-international-society-of-renal-nutrition-and-metabolism
#6
REVIEW
Brandon M Kistler, Debbie Benner, Jerrilynn D Burrowes, Katrina L Campbell, Denis Fouque, Giacomo Garibotto, Joel D Kopple, Csaba P Kovesdy, Connie M Rhee, Alison Steiber, Peter Stenvinkel, Pieter Ter Wee, Daniel Teta, Angela Y M Wang, Kamyar Kalantar-Zadeh
Poor nutritional status and protein-energy wasting are common among maintenance dialysis patients and associated with unfavorable outcomes. Providing foods, meal trays, snack boxes, and/or oral nutritional supplements during hemodialysis can improve nutritional status and might also reduce inflammation, enhance health-related quality of life, boost patient satisfaction, and improve survival. Potential challenges include postprandial hypotension and other hemodynamic instabilities, aspiration risk, gastrointestinal symptoms, hygiene issues, staff burden, reduced solute removal, and increased costs...
January 2018: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/29220188/instability-mechanisms-of-water-in-oil-nanoemulsions-with-phospholipids-temporal-and-morphological-structures
#7
Jan-Hendrik Sommerling, Maria Betania Carreira de Matos, Ellen Hildebrandt, Alberto Dessy, Robbert J Kok, Hermann Nirschl, Gero Leneweit
Many food preparations, pharmaceuticals, and cosmetics use water in oil (W/O) emulsions stabilized by phospholipids. Moreover, recent technological developments try to produce liposomes or lipid coated capsules from W/O emulsions, but are faced with colloidal instabilities. To explore these instability mechanisms, emulsification by sonication was applied in three cycles and the sample stability was studied for 3 hours after each cycle. Clearly identifiable temporal structures of instability provide evidence about the emulsion morphology: an initial regime of about 10 minutes is shown to be governed by coalescence after which Ostwald ripening dominates...
December 8, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29214032/new-therapies-for-advanced-recurrent-and-metastatic-endometrial-cancers
#8
REVIEW
Vicky Makker, Angela K Green, Robert M Wenham, David Mutch, Brittany Davidson, David Scott Miller
Endometrial cancer is the most common gynecologic malignancy in the United States, accounting for 6% of cancers in women. In 2017, an estimated 61,380 women were diagnosed with endometrial cancer, and approximately 11,000 died from this disease. From 1987 to 2008, there was a 50% increase in the incidence of endometrial cancer, with an approximate 300% increase in the number of associated deaths. Although there are many chemotherapeutic and targeted therapy agents approved for ovarian, fallopian tube and primary peritoneal cancers, since the 1971 approval of megestrol acetate for the palliative treatment of advanced endometrial cancer, only pembrolizumab has been Food and Drug Administration (FDA)-approved for high microsatellite instability (MSI-H) or mismatch repair deficient (dMMR) endometrial cancer; this highlights the need for new therapies to treat advanced, recurrent, metastatic endometrial cancer...
2017: Gynecologic Oncology Research and Practice
https://www.readbyqxmd.com/read/29209918/molecular-classification-and-precision-therapy-of-cancer-immune-checkpoint-inhibitors
#9
Yingyan Yu
On May 23, 2017, the US Food and Drug Administration (FDA) approved a treatment for cancer patients with positive microsatellite instability-high (MSI-H) markers or mismatch repair deficient (dMMR) markers. This approach is the first approved tumor treatment using a common biomarker rather than specified tumor locations in the body. FDA previously approved Keytruda for treatment of several types of malignancies, such as metastatic melanoma, metastatic non-small-cell lung cancer, recurrent or metastatic head and neck cancer, refractory Hodgkin lymphoma, and urothelial carcinoma, all of which carry positive programmed death-1/programmed death-ligand 1 biomarkers...
December 5, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/29205115/the-overlap-between-binge-eating-behaviors-and-polycystic-ovarian-syndrome-an-etiological-integrative-model
#10
Chiara Paganini, Gregory Peterson, Vasilis Stavropoulos, Isabel Krug
Studies indicate that Polycystic Ovarian Syndrome (PCOS) features (e.g. insulin instability, food cravings, overproduction of androgens and menstrual irregularities) associate with increased appetite, impaired impulse control and feelings of body dissatisfaction. Counter intuitively, binge eating behaviors have been shown to reinforce PCOS symptomatology, precipitating concurrently body dissatisfaction, weight gain, insulin instability and overproduction of androgens. The present systematic literature review aspires to investigate the relationship between binge eating, in the broader context of eating disorder behaviors, and Polycystic Ovarian Syndrome (PCOS), taking into account shared characteristics between EDs (Eating Disorders) and PCOS...
December 4, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29204983/phyllanthus-emblica-linn-fruit-extract-potentiates-the-anticancer-efficacy-of-mitomycin-c-and-cisplatin-and-reduces-their-genotoxicity-to-normal-cells-in-vitro
#11
Xi-Han Guo, Juan Ni, Jing-Lun Xue, Xu Wang
OBJECTIVE: Fruit of Phyllanthus emblica Linn. (PE) is widely consumed as a functional food and used as a folk medicine due to its remarkable nutritional and pharmacological effects. Mitomycin C (MMC) and cisplatin (cDDP) are the most widely used forms of chemotherapeutic drug, but their clinical use is limited by their genotoxicity to normal cells. We aimed to determine whether PE has potential to reduce the genotoxicity, while improving the anticancer effect, of MMC and cDDP. METHODS: Cell proliferation was evaluated using the trypan blue exclusion assay and colony-forming assay...
2017: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/29196009/stability-of-curcumin-encapsulated-in-solid-lipid-microparticles-incorporated-in-cold-set-emulsion-filled-gels-of-soy-protein-isolate-and-xanthan-gum
#12
Thais C Brito-Oliveira, Marina Bispo, Izabel C F Moraes, Osvaldo H Campanella, Samantha C Pinho
The objective of this study was to investigate the feasibility of producing cold-set emulsion filled gels (EFG), using soy protein isolate (SPI) and xanthan gum (XG) and incorporating curcumin-loaded solid lipid microparticles (SLM). For this purpose, the formulation GXG (15%, w/v SPI, 0.1%, w/v XG and 5mM CaCl2) was selected for the production of EFG. A comparative study on the rheological and microstructural properties of non-filled gels and EFG revealed that SLM stabilized with Tween 80-Span 80 behaved as active fillers in the gel matrix, increasing the Young's modulus from 1...
December 2017: Food Research International
https://www.readbyqxmd.com/read/29142410/methanolic-extract-of-costus-pictus-d-don-induces-cytotoxicity-in-liver-hepatocellular-carcinoma-cells-mediated-by-histone-deacetylase-inhibition
#13
P V Neethu, K Suthindhiran, M A Jayasri
Background: Leaves of Costus pictus D. Don, (insulin plant) are used as dietary supplement for the treatment of diabetes. Objective: The antidiabetic activity of this plant is well documented, but its activity on different cell types and mechanism remains unknown. Thus, the present study evaluates the cytotoxicity of C. pictus methanolic extract (CPME) against various cancer and normal cells. Materials and Methods: Dried leaves of C. pictus were extracted using methanol and were subjected to histone deacetylase (HDAC) inhibition and toxicity studies...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29132670/food-protein-induced-enterocolitis-syndrome
#14
REVIEW
Theresa A Bingemann, Puja Sood, Kirsi M Järvinen
Food protein-induced enterocolitis syndrome (FPIES) is a non-IgE-mediated food allergy that usually presents in infancy. Cow's milk, soy, and grains are the most common food triggers. FPIES can present as a medical emergency with symptoms including delayed persistent emesis or diarrhea that can lead to severe dehydration and hemodynamic instability with abnormal laboratory markers. Diagnosis can often be made based on clinical history and noted improvement in symptoms once the suspected triggers have been removed from the diet, with oral food challenge as the gold standard for confirmation of diagnosis in unclear cases...
February 2018: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/29120370/amorphous-solid-dispersion-of-epigallocatechin-gallate-for-enhanced-physical-stability-and-controlled-release
#15
Yizheng Cao, Jing Teng, Jon Selbo
Epigallocatechin gallate (EGCG) has been recognized as the most prominent green tea extract due to its healthy influences. The high instability and low bioavailability, however, strongly limit its utilization in food and drug industries. This work, for the first time, develops amorphous solid dispersion of EGCG to enhance its bioavailability and physical stability. Four commonly used polymeric excipients are found to be compatible with EGCG in water-dioxane mixtures via a stepwise mixing method aided by vigorous mechanical interference...
November 9, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/29120224/is-there-a-role-for-programmed-death-ligand-1-testing-and-immunotherapy-in-colorectal-cancer-with-microsatellite-instability-part-ii-the-challenge-of-programmed-death-ligand-1-testing-and-its-role-in-microsatellite-instability-high-colorectal-cancer
#16
Esmeralda Celia Marginean, Barbara Melosky
CONTEXT: - The world of oncology has changed dramatically in the past few years with the introduction of checkpoint inhibitors and immunotherapy. The promising findings of a small, phase 2 clinical trial that led to the US Food and Drug Administration breakthrough designation and approval of the anti-programmed death receptor-1 (PD-1) drug pembrolizumab (Keytruda, Merck, Kenilworth, New Jersey) to treat metastatic/refractory microsatellite instability-high colorectal cancer (CRC) has significantly boosted interest in immunomodulatory therapies in microsatellite instability-high CRC...
November 9, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/29111714/quantitation-of-nine-lactones-in-dairy-cream-by-stable-isotope-dilution-assays-based-on-novel-syntheses-of-carbon-13-labeled-gamma-and-deuterium-labeled-delta-lactones-in-combination-with-gc%C3%A3-gc-tof-ms
#17
Jessica Schuett, Peter Schieberle
Lactones are well-known aroma compounds in, e.g., fruits and fermented foods as well as in dairy products such as cream or milk powders. The latter are often used in confectionary products, e.g., milk chocolate. Lactones are suggested to contribute to the distinct aroma of dairy products and have also been reported in milk chocolate. However, data on their contribution to the overall aroma of this type of chocolate are scarce. Due to their pH dependent instability and their low volatility, a reliable quantitation of lactones is a challenge...
November 7, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29105511/the-fda-oncology-center-of-excellence-and-precision-medicine
#18
Kirsten B Goldberg, Gideon M Blumenthal, Amy E McKee, Richard Pazdur
In January 2017, the U.S. Food and Drug Administration (FDA) formally established the Oncology Center of Excellence (OCE) to streamline the development of cancer therapies by uniting experts from FDA product centers to conduct expedited review of drugs, biologics, and devices. In May 2017, the FDA approved a cancer treatment based on a biomarker, without regard to the tumor's site, by granting accelerated approval to pembrolizumab for patients with solid tumors that have the microsatellite instability-high or mismatch repair deficient biomarker...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29089060/actionable-gene-based-classification-toward-precision-medicine-in-gastric-cancer
#19
Hiroshi Ichikawa, Masayuki Nagahashi, Yoshifumi Shimada, Takaaki Hanyu, Takashi Ishikawa, Hitoshi Kameyama, Takashi Kobayashi, Jun Sakata, Hiroshi Yabusaki, Satoru Nakagawa, Nobuaki Sato, Yuki Hirata, Yuko Kitagawa, Toshiyuki Tanahashi, Kazuhiro Yoshida, Ryota Nakanishi, Eiji Oki, Dana Vuzman, Stephen Lyle, Kazuaki Takabe, Yiwei Ling, Shujiro Okuda, Kohei Akazawa, Toshifumi Wakai
BACKGROUND: Intertumoral heterogeneity represents a significant hurdle to identifying optimized targeted therapies in gastric cancer (GC). To realize precision medicine for GC patients, an actionable gene alteration-based molecular classification that directly associates GCs with targeted therapies is needed. METHODS: A total of 207 Japanese patients with GC were included in this study. Formalin-fixed, paraffin-embedded (FFPE) tumor tissues were obtained from surgical or biopsy specimens and were subjected to DNA extraction...
October 31, 2017: Genome Medicine
https://www.readbyqxmd.com/read/29072620/nutrient-content-and-nutritional-water-productivity-of-selected-grain-legumes-in-response-to-production-environment
#20
Tendai Polite Chibarabada, Albert Thembinkosi Modi, Tafadzwanashe Mabhaudhi
There is a need to incorporate nutrition into aspects of crop and water productivity to tackle food and nutrition insecurity (FNS). The study determined the nutritional water productivity (NWP) of selected major (groundnut, dry bean) and indigenous (bambara groundnut and cowpea) grain legumes in response to water regimes and environments. Field trials were conducted during 2015/16 and 2016/17 at three sites in KwaZulu-Natal, South Africa (Ukulinga, Fountainhill and Umbumbulu). Yield and evapotranspiration (ET) data were collected...
October 26, 2017: International Journal of Environmental Research and Public Health
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