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https://www.readbyqxmd.com/read/28222667/curcumin-inhibits-cancer-progression-through-regulating-expression-of-micrornas
#1
Siying Zhou, Sijie Zhang, Hongyu Shen, Wei Chen, Hanzi Xu, Xiu Chen, Dawei Sun, Shanliang Zhong, Jianhua Zhao, Jinhai Tang
Curcumin, a major yellow pigment and spice in turmeric and curry, is a powerful anti-cancer agent. The anti-tumor activities of curcumin include inhibition of tumor proliferation, angiogenesis, invasion and metastasis, induction of tumor apoptosis, increase of chemotherapy sensitivity, and regulation of cell cycle and cancer stem cell, indicating that curcumin maybe a strong therapeutic potential through modulating various cancer progression. It has been reported that microRNAs as small noncoding RNA molecules are related to cancer progression, which can be regulated by curcumin...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28221981/dry-transfer-inoculation-of-low-moisture-spices-containing-antimicrobial-compounds
#2
Ian M Hildebrandt, Chuxuan Hu, Elizabeth M Grasso-Kelley, Peiran Ye, Nathan M Anderson, Susanne E Keller
Inoculation of a food product for use in subsequent validation studies typically makes use of a high concentration cocktail of microorganisms suspended in aqueous media. However, this inoculation method may prove difficult particularly when the food product is a low-moisture food containing antimicrobial compounds, such as some dried spices. In this study, a dry transfer method for inoculation of clove powder, oregano leaves, ginger powder, and ground black pepper with a five-serovar cocktail of Salmonella was developed and compared with a traditional aqueous inoculation procedure...
February 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28221957/ochratoxin-a-concentrations-in-a-variety-of-grain-based-and-non-grain-based-foods-on-the-canadian-retail-market-from-2009-to-2014
#3
Beata Kolakowski, Sarah M O'Rourke, Henri P Bietlot, Karl Kurz, Barbara Aweryn
The extent of ochratoxin A (OTA) contamination of domestically produced foods sold across Canada was determined from 2009 to 2014 with sampling and testing occurring each fiscal year. Cereal-based, fruit-based, and soy-based food samples (n = 6,857) were analyzed. Almost half of the samples (3,200; 47%) did not contain detectable concentrations of OTA. The remaining 3,657 samples contained OTA at 0.040 to 631 ng/g. Wheat, oats, milled products of other grains (such as rye and buckwheat), and to a lesser extent corn products and their derived foods were the most significant potential sources of OTA exposure for the Canadian population...
December 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221846/fate-of-pathogenic-bacteria-associated-with-production-of-pickled-sausage-by-using-a-cold-fill-process
#4
Nelson J Gaydos, Catherine N Cutter, Jonathan A Campbell
Preservation by pickling has been used for many years to extend the shelf life of various types of food products. By storing meat products in a brine solution containing an organic acid, salt, spices, as well as other preservatives, the pH of the product is reduced, thus increasing the safety and shelf life of the product. Pickling may involve the use of heated brines to further add to the safety of the food product. When precooked, ready-to-eat (RTE) sausages are pickled with a heated brine solution, the process is referred to as hot filling...
October 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28219971/predicting-human-olfactory-perception-from-chemical-features-of-odor-molecules
#5
Andreas Keller, Richard C Gerkin, Yuanfang Guan, Amit Dhurandhar, Gabor Turu, Bence Szalai, Joel D Mainland, Yusuke Ihara, Chung Wen Yu, Russ Wolfinger, Celine Vens, Leander Schietgat, Kurt De Grave, Raquel Norel, Gustavo Stolovitzky, Guillermo A Cecchi, Leslie B Vosshall, Pablo Meyer
It is still not possible to predict whether a given molecule will have a perceived odor or what olfactory percept it will produce. We therefore organized the crowd-sourced DREAM Olfaction Prediction Challenge. Using a large olfactory psychophysical data set, teams developed machine-learning algorithms to predict sensory attributes of molecules based on their chemoinformatic features. The resulting models accurately predicted odor intensity and pleasantness and also successfully predicted 8 among 19 rated semantic descriptors ("garlic," "fish," "sweet," "fruit," "burnt," "spices," "flower," and "sour")...
February 20, 2017: Science
https://www.readbyqxmd.com/read/28217708/aberrant-rna-splicing-and-mutations-in-spliceosome-complex-in-acute-myeloid-leukemia
#6
COMMENT
Jianbiao Zhou, Wee-Joo Chng
The spliceosome, the cellular splicing machinery, regulates RNA splicing of messenger RNA precursors (pre-mRNAs) into maturation of protein coding RNAs. Recurrent mutations and copy number changes in genes encoding spliceosomal proteins and splicing regulatory factors have tumor promoting or suppressive functions in hematological malignancies, as well as some other cancers. Leukemia stem cell (LSC) populations, although rare, are essential contributors of treatment failure and relapse. Recent researches have provided the compelling evidence that link the erratic spicing activity to the LSC phenotype in acute myeloid leukemia (AML)...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28214755/identification-of-a-new-tert-leucinate-class-synthetic-cannabinoid-in-powder-and-spice-like-herbal-incenses-methyl-2-1-5-fluoropentyl-indole-3-carbonyl-amino-3-3-dimethyl-butanoate-5f-mdmb-pica
#7
Martijn D P Risseeuw, Peter Blanckaert, Vera Coopman, Stijn Van Quekelberghe, Serge Van Calenbergh, Jan Cordonnier
A brown powder and different product packages of "spice-like" herbal incenses were analyzed using a systematic identification approach based on liquid chromatography with diode array detector (HPLC-PDA) and gas chromatography mass spectrometry (GC-MS) with computer based library search against spectral libraries. However, the most predominant compound in the methanolic sample solutions could not be identified. In order to elucidate the chemical structure, a more extensive analysis of the material was initiated using liquid chromatography mass spectrometry (LC-MS), electrospray high resolution mass spectrometry (ESI-HRMS) and (1)H, (13)C and (19)F nuclear magnetic resonance spectroscopy (NMR), which allowed the identification and characterization of the major compound as methyl 2-[[1-(5-fluoropentyl)indole-3-carbonyl]amino]-3,3-dimethyl-butanoate (5F-MDMB-PICA)...
February 4, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28212313/chemoprevention-of-rat-mammary-carcinogenesis-by-apiaceae-spices
#8
Farrukh Aqil, Jeyaprakash Jeyabalan, Radha Munagala, Srivani Ravoori, Manicka V Vadhanam, David J Schultz, Ramesh C Gupta
Scientific evidence suggests that many herbs and spices have medicinal properties that alleviate symptoms or prevent disease. In this study, we examined the chemopreventive effects of the Apiaceae spices, anise, caraway, and celery seeds against 17β-estrogen (E2)-mediated mammary tumorigenesis in an ACI (August-Copenhagen Irish) rat model. Female ACI rats were given either control diet (AIN 93M) or diet supplemented with 7.5% (w/w) of anise, caraway, or celery seed powder. Two weeks later, one half of the animals in each group received subcutaneous silastic implants of E2...
February 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28210221/pharmacogenomic-characterization-and-isobologram-analysis-of-the-combination-of-ascorbic-acid-and-curcumin-two-main-metabolites-of-curcuma-longa-in-cancer-cells
#9
Edna Ooko, Onat Kadioglu, Henry J Greten, Thomas Efferth
Curcuma longa has long been used in China and India as anti-inflammatory agent to treat a wide variety of conditions and also as a spice for varied curry preparations. The chemoprofile of the Curcuma species exhibits the presence of varied phytochemicals with curcumin being present in all three species but AA only being shown in C. longa. This study explored the effect of a curcumin/AA combination on human cancer cell lines. The curcumin/AA combination was assessed by isobologram analysis using the Loewe additivity drug interaction model...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28199150/development-and-validation-of-a-cultural-method-for-the-detection-and-isolation-of-salmonella-in-cloves
#10
Guodong Zhang, Laila Ali, Vikas Gill, Aparna Tatavarthy, Xiaohong Deng, Lijun Hu, Eric W Brown, Thomas S Hammack
Detection of Salmonella in some spices, such as cloves, remains a challenge due to their inherent antimicrobial properties. The purpose of this study was to develop an effective detection method for Salmonella from spices using cloves as a model. Two clove varieties, Ceylon and Madagascar, were used in the study. Cloves were inoculated with Salmonella enterica subsp. enterica serotypes Montevideo, Typhimurium, or Weltevreden at about 1, 3, or 6 log CFU/25 g. Two test portion sizes, 10 and 25 g, were compared...
February 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28194454/in-vitro-genotoxicity-of-carcinogenic-asarone-isomers
#11
S Haupenthal, K Berg, M Gründken, S Vallicotti, M Hemgesberg, K Sak, D Schrenk, M Esselen
The present study focused on genotoxic properties of the carcinogenic phenylpropanoids α-asarone and β-asarone, which are found in several herbs and spices, such as Acorus calamus or Acorus gramineus. Cytotoxic and genotoxic effects were determined in human liver carinoma HepG2 cells, in hamster lung fibroblast V79 cells and in human cytochrome P450 1A2 and human sulfotransferase 1C2 transfected V79 cells (tV79). The Alamar blue assay was used to measure cytotoxicity of both isomers prior to the identification of DNA damaging properties by single cell gel electrophoresis (comet assay)...
February 14, 2017: Food & Function
https://www.readbyqxmd.com/read/28191705/microbial-diversity-of-different-modified-atmosphere-packed-pot-stewed-duck-wings-products-during-8%C3%A2-c-storage
#12
K Ye, M Liu, J Liu, J Jiang, C Guo
: The objective of this study was to investigate the effect of spices and packaging films on the bacterial dynamics of pot-stewed duck wings (PSDW) during storage at 8°C. The results showed that spices added at a 1 : 1 ratio (weight ratio of pungent spices and fragrant spices) could delay the lag period of bacterial growth and extend the shelf-life of PSDW. Denaturing Gel Gradient Electrophoresis (DGGE) analysis indicated that the predominant bacteria in PSDW at the end of storage were Weisella hellenica, Weisella diestrammenae, Staphylococcus equorum and Streptococcus parauberis, and spices added at a 1 : 1 ratio showed better inhibition for bacteria at the end of storage, except for W...
March 2017: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/28187327/staphylococcal-ecosystem-of-kitoza-a-traditional-malagasy-meat-product
#13
Angela Ratsimba, Sabine Leroy, Jean Paul Chacornac, Danielle Rakoto, Elodie Arnaud, Victor Jeannoda, Régine Talon
Kitoza is a traditional meat product from Madagascar manufactured with strips of pork or beef. The process includes a first step of salting and mixing with spices followed by sun-drying or smoking step. As salting and drying select coagulase-negative staphylococci (CNS), our aim was to identify the CNS species in kitoza with the objective in the future of developing indigenous starters. Microbial analyses revealed that the only pathogenic bacterium enumerated was Staphylococcus aureus, which was found in 54% of the samples...
February 2, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28166943/cold-adaptive-thermogenesis-following-consumption-of-certain-pungent-spice-principles-a-validation-study
#14
Chaitanya Pandit, K R Anilakumar
Identifying a means to activate or potentiate thermogenic mechanisms through ingestion of dietary compounds have important implications in cold endurance and survival. Although many reports discuss the thermogenic potential of spices, it is surprising that none of the studies verify whether consumption of spices can improve cold endurance. In this study, we have attempted to evaluate if ingestion of certain spices can activate heat-generating mechanisms in the body such that a fall in. core body temperature (CBT) can be delayed or prevented when faced with a cold challenge...
February 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/28162792/synthetic-pot-not-your-grandfather-s-marijuana
#15
REVIEW
Benjamin M Ford, Sherrica Tai, William E Fantegrossi, Paul L Prather
In the early 2000s in Europe and shortly thereafter in the USA, it was reported that 'legal' forms of marijuana were being sold under the name K2 and/or Spice. Active ingredients in K2/Spice products were determined to be synthetic cannabinoids (SCBs), producing psychotropic actions via CB1 cannabinoid receptors, similar to those of Δ(9)-tetrahydrocannabinol (Δ(9)-THC), the primary active constituent in marijuana. Often abused by adolescents and military personnel to elude detection in drug tests due to their lack of structural similarity to Δ(9)-THC, SCBs are falsely marketed as safe marijuana substitutes...
January 27, 2017: Trends in Pharmacological Sciences
https://www.readbyqxmd.com/read/28152080/nox1-and-nox4-are-required-for-the-differentiation-of-mouse-f9-cells-into-extraembryonic-endoderm
#16
Benjamin J Dickson, Mohamed I Gatie, Danielle M Spice, Gregory M Kelly
Mouse F9 cells differentiate to primitive endoderm (PrE) when treated with retinoic acid (RA). Differentiation is accompanied by increased reactive oxygen species (ROS) levels, and while treating F9 cells with antioxidants attenuates differentiation, H2O2 treatment alone is sufficient to induce PrE. We identified the NADPH oxidase (NOX) complexes as candidates for the source of this endogenous ROS, and within this gene family, and over the course of differentiation, Nox1 and Nox 4 show the greatest upregulation induced by RA...
2017: PloS One
https://www.readbyqxmd.com/read/28143589/protective-effect-of-curcuma-longa-l-extract-on-ccl4-induced-acute-hepatic-stress
#17
Geum-Hwa Lee, Hwa-Young Lee, Min-Kyung Choi, Han-Wool Chung, Seung-Wook Kim, Han-Jung Chae
BACKGROUND: The Curcuma longa L. (CLL) rhizome has long been used to treat patients with hepatic dysfunction. CLL is a member of the ginger family of spices that are widely used in China, India, and Japan, and is a common spice, coloring, flavoring, and traditional medicine. This study was performed to evaluate the hepatoprotective activity of CLL extract and its active component curcumin in an acute carbon tetrachloride (CCl4)-induced liver stress model. METHODS: Acute hepatic stress was induced by a single intraperitoneal injection of CCl4 (0...
February 1, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28134988/the-essential-oil-from-the-fruits-of-the-brazilian-spice-xylopia-sericea-a-st-hil-presents-expressive-in-vitro-antibacterial-and-antioxidant-activity
#18
Renata de F Mendes, Nícolas de C C Pinto, Josiane M da Silva, Jucélia B da Silva, Raquel C Dos S Hermisdorf, Rodrigo L Fabri, Luciana M Chedier, Elita Scio
OBJECTIVES: The aims of this study were to investigate the chemical composition and the antioxidant activity and antibacterial activity of the essential oil of Xylopia sericea fruits (OXS). The fruits of this species are popularly used for medicinal purposes, and as a condiment in food preparation. METHODS: The chemical composition of OXS was analysed by GC/MS. 1,1-Diphenyl-2-picrylhydrazyl (DPPH) scavenging, β-carotene/linoleic acid bleaching and phosphomolybdenum and thiobarbituric acid-reactive substance (TBARS) assays were used to evaluate the antioxidant activity...
March 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28129008/curcumin-and-turmeric-modulate-the-tumor-promoting-effects-of-iron-in-vitro
#19
Donald J Messner, Todd Robinson, Kris V Kowdley
Free or loosely chelated iron has tumor-promoting properties in vitro. Curcumin, a polyphenol derived from the food spice turmeric (Curcuma longa), is a potent antioxidant that binds iron. The primary aim of this study was to investigate whether curcuminoids prevent tumor-promoting effects of iron in T51B cells, a non-neoplastic rat liver epithelial cell line. Purified curcuminoids (curcumin) or a standardized turmeric extract similarly reduced oxidative stress and cytotoxicity associated with iron overload (IC50 values near 10 μM, P < 0...
January 27, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28124597/pimping-up-drugs-recovered-superannuated-and-under-exploited-drugs-an-introduction-to-the-basics-of-drug-reprofiling
#20
Suzanne Jane Dilly, George Stephen Morris
Drug development has moved along way forward from the days of with doctors peddling cauldrons of herbs and spices, however the process can still miss opportunities for full exploitation of a drug's potential. Drug reprofiling provides a chance for an established or a forgotten drug to move into a new area of therapy, whether related to the known effects or in a completely new area. In an era of environmental awareness and spiraling costs for traditional drug development, a strategy to squeeze every benefit out of drugs with known safety, tolerability and pharmacological parameters must be a strategically sound desire...
January 17, 2017: Current Drug Discovery Technologies
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