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https://www.readbyqxmd.com/read/29149660/a-systems-level-approach-for-investigating-organophosphorus-pesticide-toxicity
#1
Jingbo Zhu, Jing Wang, Yan Ding, Baoyue Liu, Wei Xiao
The full understanding of the single and joint toxicity of a variety of organophosphorus (OP) pesticides is still unavailable, because of the extreme complex mechanism of action. This study established a systems-level approach based on systems toxicology to investigate OP pesticide toxicity by incorporating ADME/T properties, protein prediction, and network and pathway analysis. The results showed that most OP pesticides are highly toxic according to the ADME/T parameters, and can interact with significant receptor proteins to cooperatively lead to various diseases by the established OP pesticide -protein and protein-disease networks...
November 14, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29149288/overexpression-of-seipin1-increases-oil-in-hydroxy-fatty-acid-accumulating-seeds
#2
Daniel Lunn, James G Wallis, John Browse
While plant oils are an important source of food, plants also produce oils containing specialized fatty acids with chemical and physical properties valued in industry. Ricinoleic acid, a hydroxy-fatty acid (HFA) produced in the seed of castor (Ricinus communis), is of particular value with a wide range of applications. Since castor cultivation is currently successful only in tropic climates, and because castor seed contain the toxin ricin, there are ongoing efforts to develop a temperate crop capable of HFA biosynthesis...
November 15, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/29149046/impact-of-a-single-oral-acute-dose-of-aflatoxin-b%C3%A2-on-liver-function-cytokines-and-the-lymphoproliferative-response-in-c57bl-6-mice
#3
Angélica Tieme Ishikawa, Elisa Yoko Hirooka, Paula Leonello Alvares E Silva, Ana Paula Frederico Rodrigues Loureiro Bracarense, Karina Keller Marques da Costa Flaiban, Claudia Yuri Akagi, Osamu Kawamura, Marcio Carvalho da Costa, Eiko Nakagawa Itano
Aflatoxin B₁ (AFB₁), a mycotoxin found in food and feed, exerts harmful effects on humans and animals. The liver is the earliest target of AFB₁, and its effects have been evaluated in animal models exposed to acute or chronic doses. Considering the possibility of sporadic ingestion of AFB₁-contaminated food, this study investigated the impact of a single oral dose of AFB₁ on liver function/cytokines and the lymphoproliferative response in mice. C57BL/6 mice were treated with a single oral AFB₁ dose (44, 442 or 663 μg AFB₁/kg of body weight) on the first day...
November 17, 2017: Toxins
https://www.readbyqxmd.com/read/29149031/anti-inflammatory-and-antinociceptive-effects-of-ethyl-acetate-fraction-of-an-edible-red-macroalgae-sarcodia-ceylanica
#4
Chieh-Chih Shih, Hwong-Ru Hwang, Chi-I Chang, Huei-Meei Su, Pei-Chin Chen, Hsiao-Mei Kuo, Pei-Jyuan Li, Hui-Min David Wang, Kuan-Hao Tsui, Yu-Chi Lin, Shi-Ying Huang, Zhi-Hong Wen
Research so far has only shown that edible red macroalgae, Sarcodia ceylanica has the ability to eliminate free radicals and anti-diabetic, anti-bacterial properties. This study was conducted both in vitro and in vivo on the ethyl acetate extract (PD1) of farmed red macroalgae in order to explore its anti-inflammatory properties. In order to study the in vitro anti-inflammatory effects of PD1, we used lipopolysaccharide (LPS) to induce inflammatory responses in murine macrophages. For evaluating the potential in vivo anti-inflammatory and antinociceptive effects of PD1, we used carrageenan-induced rat paw edema to produce inflammatory pain...
November 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29147948/adherence-to-mediterranean-diet-and-subjective-cognitive-function-in-men
#5
Ambika Bhushan, Elinor Fondell, Alberto Ascherio, Changzheng Yuan, Francine Grodstein, Walter Willett
Benefits of a Mediterranean diet for cognition have been suggested, but epidemiologic studies have been relatively small and of limited duration. To prospectively assess the association between long-term adherence to a Mediterranean dietary pattern and self-reported subjective cognitive function (SCF). Prospective observational study. The Health Professionals' Follow-up Study, a prospective cohort of 51,529 men, 40-75 years of age when enrolled in 1986, of whom 27,842 were included in the primary analysis...
November 17, 2017: European Journal of Epidemiology
https://www.readbyqxmd.com/read/29147628/trial-watch-adoptively-transferred-cells-for-anticancer-immunotherapy
#6
REVIEW
Carole Fournier, François Martin, Laurence Zitvogel, Guido Kroemer, Lorenzo Galluzzi, Lionel Apetoh
Immunotherapies aimed at strengthening immune effector responses against malignant cells are growing at exponential rates. Alongside, the impressive benefits obtained by patients with advanced melanoma who received adoptively transferred tumor-infiltrating lymphocytes (TILs) have encouraged the scientific community to pursue adoptive cell transfer (ACT)-based immunotherapy. ACT involves autologous or allogenic effector lymphocytes that are generally obtained from the peripheral blood or resected tumors, expanded and activated ex vivo, and administered to lymphodepleted patients...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29147473/bioresorbable-vascular-scaffold-versus-metallic-stent-in-percutaneous-coronary-intervention-results-of-the-aida-trial
#7
Syed Raza Shah, Mazia Fatima, Amin Muhammad Dharani, Waqas Shahnawaz, Syed Arbab Shah
Drug-eluting stents have significantly improved the long-term outcomes of percutaneous coronary intervention (PCI) by decreasing the excessive growth of neointima. However, conventional stents have some limitations. PCI with a bioresorbable vascular scaffold (BVS) has emerged as an alternative since the presence of the prosthesis in the coronary artery is transient. A US Food and Drug Administration advisory panel of experts recommended approval of BVS based on the analysis of its risks and rewards in July 2016...
2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/29147098/purification-and-anti-pathogenic-properties-of-immunoglobulin-concentrates-from-porcine-blood
#8
Tae-Hwan Jung, Jae-Hwan Choi, Kyung-Chul Koh, Woo-Min Jeon, Kyoung-Sik Han
During slaughtering, animal blood is typically discarded, resulting in water pollution. However, this discarded blood has valuable components, such as immunoglobulin (Ig). Although several studies have been conducted to develop methods for effective recycling of slaughterhouse blood, they have not been commercially utilized in Korea. Here, we extracted an Ig-rich fraction from porcine blood that was then subjected to various in vitro tests, including pathogen growth inhibition, antigenic cross-reactivity, and anti-toxin activity...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/29146927/preparation-and-functional-evaluation-of-collagen-oligopeptide-rich-hydrolysate-from-fish-skin-with-the-serine-collagenolytic-protease-from-pseudoalteromonas-sp-sm9913
#9
Xiu-Lan Chen, Ming Peng, Jing Li, Bai-Lu Tang, Xuan Shao, Fang Zhao, Chang Liu, Xi-Ying Zhang, Ping-Yi Li, Mei Shi, Yu-Zhong Zhang, Xiao-Yan Song
Although several serine collagenolytic proteases from bacteria were reported, none has been used to prepare bioactive collagen peptides. MCP-01 is the most abundant extracellular protease of deep-sea Pseudoalteromonas sp. SM9913 and is a serine collagenolytic protease with high efficiency on fish collagen hydrolysis. Here, we set up a pilot scale process to ferment SM9913 for extracellular protease production. With SM9913 extracellular protease as a tool, a process to prepare collagen oligopeptide-rich hydrolysate from codfish skin was set up, which was further scaled up to pilot (100 L) and plant (2000 L) levels with yields >66%...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29146502/protracted-motivational-dopamine-related-deficits-following-adolescence-sugar-overconsumption
#10
Fabien Naneix, Florence Darlot, Véronique De Smedt-Peyrusse, Jean-Rémi Pape, Etienne Coutureau, Martine Cador
Adolescence represents a critical period characterized by major neurobiological changes. Chronic stimulation of the reward system during adolescence might constitute an important factor of vulnerability to pathological development. Increasing evidences suggest that adolescent overconsumption of sweet palatable foods impact reward-based processes. However, the neurobiological bases of these deficits remain poorly understood. Previous studies have demonstrated motivational deficits for palatable foods after sweet diet exposure during adolescence that might involve the dopamine (DA) system, a central actor in incentive processes...
November 13, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29146441/combining-immunotherapies-for-the-treatment-of-prostate-cancer
#11
REVIEW
Jason M Redman, James L Gulley, Ravi A Madan
Sipuleucel-T, a therapeutic dendritic-cell vaccine, was Food and Drug Administration-approved for prostate cancer in 2010. No new immunotherapies for prostate cancer have been approved since. However, novel agents and combination approaches offer great promise for improving outcomes for prostate cancer patients. Here we review the latest developments in immunotherapy for prostate cancer. Sipuleucel-T has demonstrated a survival advantage of 4.1 months in metastatic castration-resistant prostate cancer. PSA-TRICOM (PROSTVAC), a prostate-specific antigen-targeted vaccine platform, showed evidence of clinical and immunologic efficacy in early-phase clinical trials, and results from a phase III trial in advanced disease are pending...
December 2017: Urologic Oncology
https://www.readbyqxmd.com/read/29146410/cart-neurons-in-the-arcuate-nucleus-and-lateral-hypothalamic-area-exert-differential-controls-on-energy-homeostasis
#12
Jackie Lau, Aitak Farzi, Yue Qi, Regine Heilbronn, Mario Mietzsch, Yan-Chuan Shi, Herbert Herzog
OBJECTIVE: The cocaine- and amphetamine-regulated transcript (CART) codes for a pivotal neuropeptide important in the control of appetite and energy homeostasis. However, limited understanding exists for the defined effector sites underlying CART function, as discrepant effects of central CART administration have been reported. METHODS: By combining Cart-cre knock-in mice with a Cart adeno-associated viral vector designed using the flip-excision switch (AAV-FLEX) technology, specific reintroduction or overexpression of CART selectively in CART neurons in the arcuate nucleus (Arc) and lateral hypothalamic area (LHA), respectively, was achieved...
November 8, 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29146361/rheological-characterization-of-gum-and-starch-nanoparticle-blends
#13
Mariana Perez Herrera, Thava Vasanthan
Commercial interest on the application of starch nanoparticles (SNP) in food is rapidly growing. Since gums are commonly used in food processing for their texturizing functionality, it is important to understand the influence of SNP on gum rheology. λ-Carrageenan and xanthan gum were selected in this study due to their wide range of applications in food systems. SNP isolated from waxy (0% amylose) and high amylose maize (71% amylose) were used. Binary blends consisting of 0.5% (w/v) gum and different concentrations of SNP were prepared and their flow behaviors evaluated using a rheometer...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29146349/analysis-of-alternariol-and-alternariol-monomethyl-ether-in-foodstuffs-by-molecularly-imprinted-solid-phase-extraction-and-ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry
#14
A Rico-Yuste, J Walravens, J L Urraca, R A G Abou-Hany, A B Descalzo, G Orellana, M Rychlik, S De Saeger, M C Moreno-Bondi
Molecularly imprinted porous polymer microspheres selective to Alternaria mycotoxins, alternariol (AOH) and alternariol monomethyl ether (AME), were synthesized and applied to the extraction of both mycotoxins in food samples. The polymer was prepared using 4-vinylpiridine (VIPY) and methacrylamide (MAM) as functional monomers, ethylene glycol dimethacrylate (EDMA) as cross-linker and 3,8,9-trihydroxy-6H-dibenzo[b,d]pyran-6-one (S2) as AOH surrogate template. A molecularly imprinted solid phase extraction (MISPE) method has been optimized for the selective isolation of the mycotoxins from aqueous samples coupled to HPLC with fluorescence (λex=258nm; λem=440nm) or MS/MS analysis...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29146320/the-functional-properties-of-chitosan-glucose-asparagine-maillard-reaction-products-and-mitigation-of-acrylamide-formation-by-chitosans
#15
Wen-Chieh Sung, Yu-Wei Chang, Yu-Hao Chou, Hsin-I Hsiao
This research aims to clarify the interactions that occur in a food model system consisting of glucose, asparagine and chitosans. Low molecular weight chitosan exerted a potent inhibitory effect (46.8%) on acrylamide and Maillard reaction products (MRPs) (>52.6%), respectively. Compared to a previous study conducted using the fructose system, the novel findings of this research demonstrate that the formation of acrylamide and Maillard reaction products was lower with glucose than with fructose when they were used as reducing sugars in food model systems...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29146250/revitalization-of-plant-growth-promoting-rhizobacteria-for-sustainable-development-in-agriculture
#16
REVIEW
Sushanto Gouda, Rout George Kerry, Gitishree Das, Spiros Paramithiotis, Han-Seung Shin, Jayanta Kumar Patra
The progression of life in all forms is not only dependent on agricultural and food security but also on the soil characteristics. The dynamic nature of soil is a direct manifestation of soil microbes, bio-mineralization, and synergistic co-evolution with plants. With the increase in world's population the demand for agriculture yield has increased tremendously and thereby leading to large scale production of chemical fertilizers. Since the use of fertilizers and pesticides in the agricultural fields have caused degradation of soil quality and fertility, thus the expansion of agricultural land with fertile soil is near impossible, hence researchers and scientists have sifted their attention for a safer and productive means of agricultural practices...
January 2018: Microbiological Research
https://www.readbyqxmd.com/read/29145569/immune-system-an-emerging-player-in-mediating-effects-of-endocrine-disruptors-on-metabolic-health
#17
Amita Bansal, Jorge Henao Mejia, Rebecca A Simmons
The incidence of metabolic disorders like type 2 diabetes and obesity continue to increase. In addition to the well-known contributors such as food intake and sedentary lifestyle, recent research in the exposure science discipline provides new evidence that exposure to endocrine disrupting chemicals like bisphenol A and phthalates via multiple routes (food, drink and skin contact) also contribute to the increased risk of metabolic disorders. Endocrine disrupting chemicals (EDCs) can disrupt any aspect of hormone action...
November 14, 2017: Endocrinology
https://www.readbyqxmd.com/read/29145427/do-microplastic-particles-affect-daphnia-magna-at-the-morphological-life-history-and-molecular-level
#18
Hannes K Imhof, Jakub Rusek, Michaela Thiel, Justyna Wolinska, Christian Laforsch
Microplastic particles are ubiquitous not only in marine but also in freshwater ecosystems. However, the impacts of microplastics, consisting of a large variety of synthetic polymers, on freshwater organisms remains poorly understood. We examined the effects of two polymer mixtures on the morphology, life history and on the molecular level of the waterflea Daphnia magna (three different clones). Microplastic particles of ~40 μm were supplied at a low concentration (1% of the food particles) leading to an average of ~30 particles in the digestive tract which reflects a high microplastic contamination but still resembles a natural situation...
2017: PloS One
https://www.readbyqxmd.com/read/29145178/minor-hemisphere-major-syndromes
#19
Antonio Carota, Julien Bogousslavsky
A right "minor hemisphere" does not exist as the right hemisphere is dominant for awareness (nosognosia), spatial attention, emotional regulation, facial and voice expressions, visual recognition, and topographical orientation. Without the right hemisphere, the world would be flat, deprived of general and spatial attentions, pointing preferentially to the right side of the space, lacking visual experiences and emotions, exhibiting diminished awareness of the self and environment. Clinical-related syndromes of the right hemisphere are unilateral spatial neglect, object and face visual agnosia, the anosognosia for hemiparesis and/or hemianopia, misidentification syndromes, mania, and other obsessions for the food and the body...
2018: Frontiers of Neurology and Neuroscience
https://www.readbyqxmd.com/read/29145068/anorexigenic-effects-induced-by-rvd-hemopressin-%C3%AE-administration
#20
Claudio Ferrante, Lucia Recinella, Sheila Leone, Annalisa Chiavaroli, Chiara Di Nisio, Sara Martinotti, Adriano Mollica, Giorgia Macedonio, Azzurra Stefanucci, Szabolcs Dvorácskó, Csaba Tömböly, Luciano De Petrocellis, Michele Vacca, Luigi Brunetti, Giustino Orlando
BACKGROUND: Hemopressin, VD-hemopressin(α) and RVD-hemopressin(α) are hemoglobin α chain derived-peptides which have been found in mouse brain, and where they modulate cannabinoid (CB) receptor function. The nonapeptide hemopressin has been reported to inhibit feeding after both central and peripheral administration, possibly playing a role of antagonist/inverse agonist of CB1 receptors, and consequently blocking the orexigenic effects of endogenous cannabinoids. VD-hemopressin(α) and RVD- hemopressin(α), are N-terminal extended forms of hemopressin...
June 3, 2017: Pharmacological Reports: PR
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