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https://www.readbyqxmd.com/read/28621716/antibacterial-and-antifungal-activities-of-spices
#1
REVIEW
Qing Liu, Xiao Meng, Ya Li, Cai-Ning Zhao, Guo-Yi Tang, Hua-Bin Li
Infectious diseases caused by pathogens and food poisoning caused by spoilage microorganisms are threatening human health all over the world. The efficacies of some antimicrobial agents, which are currently used to extend shelf-life and increase the safety of food products in food industry and to inhibit disease-causing microorganisms in medicine, have been weakened by microbial resistance. Therefore, new antimicrobial agents that could overcome this resistance need to be discovered. Many spices-such as clove, oregano, thyme, cinnamon, and cumin-possessed significant antibacterial and antifungal activities against food spoilage bacteria like Bacillus subtilis and Pseudomonas fluorescens, pathogens like Staphylococcus aureus and Vibrio parahaemolyticus, harmful fungi like Aspergillus flavus, even antibiotic resistant microorganisms such as methicillin resistant Staphylococcus aureus...
June 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28621538/discovery-of-highly-potent-and-selective-small-molecule-reversible-factor-d-inhibitors-demonstrating-alternative-complement-pathway-inhibition-in-vivo
#2
Edwige Lorthiois, Karen Anderson, Anna Vulpetti, Olivier Rogel, Frederic Cumin, Nils Ostermann, Stefan Steinbacher, Aengus Mac Sweeney, Omar Delgado, Sha-Mei Liao, Stefan Randl, Simon Rüdisser, Solene Dussauge, Kamal Fettis, Laurence Kieffer, Andrea de Ekernez, Louis Yang, Constanze Hartwieg, Upendra A Argikar, Laura R LaBonte, Ronald Newton, Viral Kansara, Stefanie Flohr, Ulrich Hommel, Bruce Jaffee, Jürgen Maibaum
The highly specific S1 serine protease Factor D (FD) plays a central role in the amplification of the complement alternative pathway (AP) of the innate immune system. Genetic associations in humans have implicated AP activation in age-related macular degeneration (AMD), and AP dysfunction predisposes individuals to disorders such as paroxysmal nocturnal hemoglobinuria (PNH) and atypical hemolytic uremic syndrome (aHUS). The combination of structure-based hit identification and subsequent optimization of the center (S)-proline-based lead 7 has led to the discovery of non-covalent reversible and selective human Factor D (FD) inhibitors with drug-like properties...
June 16, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28602677/immune-responses-to-methanolic-extract-of-black-cumin-nigella-sativa-in-rainbow-trout-oncorhynchus-mykiss
#3
Yasemin Celik Altunoglu, Soner Bilen, Ferhat Ulu, Gouranga Biswas
The immune stimulating effects of the methanolic extract of black cumin (Nigella sativa) in rainbow trout (Oncorhynchus mykiss) was evaluated. Variable concentrations of black cumin methanolic extract [0 (Control), 0.1 and 0.5 g kg(-1) of feed] were individually added to the basal diet and rainbow trout was fed for 30 days to assess the innate immune responses and growth performance. Feed conversion ratio significantly decreased in the group fed with 0.5 g kg(-1) black cumin extract. Respiratory burst activity was observed to be the highest in the 0...
June 5, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28590231/evaluation-of-phenolic-profile-and-antibacterial-bioactivities-of-nigella-sativa-l-seed-extracts
#4
Anela Topcagic, Sanja Cavar Zeljkovic, Erna Karalija, Semira Galijasevic, Emin Sofic
Black cumin (Nigella sativa L. [N. sativa]) seed extracts demonstrated numerous beneficial biological effects including, among others, antidiabetic, anticancer, immunomodulatory, antimicrobial, anti-inflammatory, antihypertensive, and antioxidant activity. To better understand the phytochemical composition of N. sativa seeds, methanol seed extracts were analyzed for phenolic acid and flavonoid content. Furthermore, we tested N. sativa methanol, n-hexane, and aqueous seed extracts for their inhibitory activity against anti-butyrylcholinesterase (BChE) and catalase (CAT) as well as for antimicrobial activity against several bacteria...
June 7, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28494374/eigenvalue-eigenvector-decomposition-eed-analysis-of-dissimilarity-and-covariance-matrix-obtained-from-total-synchronous-fluorescence-spectral-tsfs-data-sets-of-herbal-preparations-optimizing-the-classification-approach
#5
Madhumita Tarai, Keshav Kumar, O Divya, Partha Bairi, Kishor Kumar Mishra, Ashok Kumar Mishra
The present work compares the dissimilarity and covariance based unsupervised chemometric classification approaches by taking the total synchronous fluorescence spectroscopy data sets acquired for the cumin and non-cumin based herbal preparations. The conventional decomposition method involves eigenvalue-eigenvector analysis of the covariance of the data set and finds the factors that can explain the overall major sources of variation present in the data set. The conventional approach does this irrespective of the fact that the samples belong to intrinsically different groups and hence leads to poor class separation...
May 2, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28489566/thymoquinone-as-an-anticancer-molecule-from-basic-research-to-clinical-investigation
#6
REVIEW
Md Asaduzzaman Khan, Mousumi Tania, Shangyi Fu, Junjiang Fu
Thymoquinone is an anticancer phytochemical commonly found in black cumin. In this review, we discuss the potential of thymoquinone as anticancer molecule, its mechanism of action and future usage in clinical applications. Thymoquinone exhibits anticancer activity via numerous mechanisms of action, specifically by showing selective antioxidant and oxidant activity, interfering with DNA structure, affecting carcinogenic signaling molecules/pathways and immunomodulation. In vitro activity of thymoquinone has been further implicated in animal models of cancer; however, no clinical application has been proven yet...
April 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28449595/pharmaceutical-perspectives-of-spices-and-condiments-as-alternative-antimicrobial-remedy
#7
Savita P D'Souza, Suvarna V Chavannavar, B Kanchanashri, S B Niveditha
Medicinal values of spices and condiments are being revived by biologists through in vitro and in vivo trials providing evidence for its antimicrobial activities. The essential oils and extracts of spices like black pepper, cloves, cinnamon, and nutmeg contain active compounds like piperine, eugenol, cinnamaldehyde, and lignans. Similarly, condiments like coriander, black cumin, turmeric, garlic, and ginger are recognized for constituents like linalool, thymoquinones, curcumin, allicin, and geranial respectively...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/28407236/processes-to-preserve-spice-and-herb-quality-and-sensory-integrity-during-pathogen-inactivation
#8
Susan E Duncan, Kayla Moberg, Kemia N Amin, Melissa Wright, Jordan J Newkirk, Monica A Ponder, Gary R Acuff, James S Dickson
Selected processing methods, demonstrated to be effective at reducing Salmonella, were assessed to determine if spice and herb quality was affected. Black peppercorn, cumin seed, oregano, and onion powder were irradiated to a target dose of 8 kGy. Two additional processes were examined for whole black peppercorns and cumin seeds: ethylene oxide (EtO) fumigation and vacuum assisted-steam (82.22 °C, 7.5 psia). Treated and untreated spices/herbs were compared (visual, odor) using sensory similarity testing protocols (α = 0...
May 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28406050/investigation-of-pyrrolizidine-alkaloids-including-their-respective-n-oxides-in-selected-food-products-available-in-hong-kong-by-liquid-chromatography-electrospray-ionisation-mass-spectrometry
#9
Stephen W C Chung, Aaron C H Lam
This study determined the levels of pyrrolizidine alkaloids (PAs), including their respective N-oxides, in foodstuffs available in Hong Kong by liquid chromatography-electrospray ionisation tandem mass spectrometry. A total of 234 samples (48 food items) were collected randomly from a local market and analysed. About 50% of samples were found to contain detectable amount of PAs. Amongst the 48 food items, PAs were not detected in 11 food items, including barley flour, beef, cattle liver, pork, pig liver, chicken meat, chicken liver, milk, non-fermented tea, Melissa tea and linden tea...
May 17, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28400978/thymoquinone-attenuates-brain-injury-via-an-anti-oxidative-pathway-in-a-status-epilepticus-rat-model
#10
Yi-Ye Shao, Bing Li, Yong-Mei Huang, Qiong Luo, Yang-Mei Xie, Ying-Hui Chen
AIM: Status epilepticus (SE) results in the generation of reactive oxygen species (ROS), which contribute to seizure-induced brain injury. It is well known that oxidative stress plays a pivotal role in status epilepticus (SE). Thymoquinone (TQ) is a bioactive monomer extracted from black cumin (Nigella sativa) seed oil that has anti-inflammatory, anti-cancer, and antioxidant activity in various diseases. This study evaluated the protective effects of TQ on brain injury in a lithium-pilocarpine rat model of SE and investigated the underlying mechanism related to antioxidative pathway...
January 2017: Translational Neuroscience
https://www.readbyqxmd.com/read/28386474/finding-novel-antibiotic-substances-from-medicinal-plants-antimicrobial-properties-of-nigella-sativa-directed-against-multidrug-resistant-bacteria
#11
Seher Nancy Bakal, Stefan Bereswill, Markus M Heimesaat
The progressive rise in multidrug-resistant (MDR) bacterial strains poses serious problems in the treatment of infectious diseases. While the number of newly developed antimicrobial compounds has greatly fallen, the resistance of pathogens against commonly prescribed drugs is further increasing. This rise in resistance illustrates the need for developing novel therapeutic and preventive antimicrobial options. The medicinal herb Nigella sativa and its derivatives constitute promising candidates. In a comprehensive literature survey (using the PubMed data base), we searched for publications on the antimicrobial effects of N...
March 2017: European Journal of Microbiology & Immunology
https://www.readbyqxmd.com/read/28378356/effect-of-an-orally-formulated-processed-black-cumin-from-iranian-traditional-medicine-pharmacopoeia-in-relieving-symptoms-of-knee-osteoarthritis-a-prospective-randomized-double-blind-and-placebo-controlled-clinical-trial
#12
Ahmad Salimzadeh, Anahita Ghourchian, Rasool Choopani, Homa Hajimehdipoor, Mohammad Kamalinejad, Maryam Abolhasani
AIM: Osteoarthritis is a global health problem, especially for the elderly. A good replacement for non-surgical treatments is the use of traditional medicines. We selected a revere plant (Nigella sativa L.), a widely utilized medicinal herb for the treatment of inflammatory conditions, from the Iranian traditional medicine (ITM) pharmacopoeia with proven anti-inflammatory and analgesic actions. METHODS: We performed a prospective, randomized, double-blind, and placebo-controlled clinical trial, in order to investigate whether the herb is useful in alleviating the symptoms of knee osteoarthritis...
April 5, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28365127/image-guided-preoperative-progressive-pneumoperitoneum-for-large-incisional-hernia-repair
#13
L Cuminal, P Rousset, G Passot, J L Caillot, P J Valette, A Muller
No abstract text is available yet for this article.
March 29, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28362016/a-study-of-diketopiperazines-as-electron-donor-initiators-in-transition-metal-free-haloarene-arene-coupling
#14
Florimond Cumine, Shengze Zhou, Tell Tuttle, John A Murphy
Several diketopiperazines have been shown to promote carbon-carbon coupling between benzene and aryl halides in the presence of potassium tert-butoxide and without the assistance of a transition metal catalyst. The structure of the diketopiperazine has an influence on its reductive potential and can help to promote the coupling of the more challenging aryl bromides with benzene.
April 11, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28322956/polysaccharide-of-black-cumin-nigella-sativa-modulates-molecular-signaling-cascade-of-gastric-ulcer-pathogenesis
#15
Srikanta Belagihalli Manjegowda, Harsha Mysore Rajagopal, Shylaja Mallaiah Dharmesh
Gastric ulcer is a multi-step disease and healing requires a complex process including repair and re-architecture of gastric mucosa with the involvement of molecular events. Current study was designed to understand the gastric ulcer healing mechanism of rhamnogalacturonan-I type pectic polysaccharide of black cumin (BCPP) utilizing acetic acid induced gastric ulcers in rats. BCPP fed groups at 200mg/kg b.w. for 10days showed up to 85% healing of gastric ulcers with modulation of key molecular events involved in ulcer healing process such as increase in gastric mucin content, cyclooxygenase-2 (Cox-2) and prostaglandin E2 (PGE2)...
August 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28317444/development-of-a-high-rate-submerged-anaerobic-membrane-bioreactor
#16
I Mahmoud, W J Gao, B Q Liao, J Cumin, M Dagnew, Y Hong
Typically, anaerobic membrane bioreactors are operated at an organic loading rate (OLR) less than 10 kg chemical oxygen demand (COD)/m(3 )d. This paper discusses the development and performance of a high-rate submerged anaerobic membrane bioreactor (SAnMBR) for a high-strength synthetic industrial wastewater treatment. An OLR as high as 41 kg COD/m(3) d was achieved with excellent COD removal efficiency (>99%). The membrane was operated at constant fluxes (9.4-9.9 ± 0.5 L/m(2) h) and the change in trans-membrane pressure (TMP) was monitored to characterize the membrane performance...
April 4, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28315356/the-effect-of-angiotensin-receptor-neprilysin-inhibitor-sacubitril-valsartan-on-central-nervous-system-amyloid-%C3%AE-concentrations-and-clearance-in-the-cynomolgus-monkey
#17
Heidi A Schoenfeld, Tim West, Philip B Verghese, Mary Holubasch, Neeta Shenoy, David Kagan, Chiara Buono, Wei Zhou, Marc DeCristofaro, Julie Douville, Geoffrey G Goodrich, Keith Mansfield, Chandra Saravanan, Frederic Cumin, Randy L Webb, Randall J Bateman
Sacubitril/valsartan (LCZ696) is the first angiotensin receptor neprilysin inhibitor approved to reduce cardiovascular mortality and hospitalization in patients with heart failure with reduced ejection fraction. As neprilysin (NEP) is one of several enzymes known to degrade amyloid-β (Aβ), there is a theoretical risk of Aβ accumulation following long-term NEP inhibition. The primary objective of this study was to evaluate the potential effects of sacubitril/valsartan on central nervous system clearance of Aβ isoforms in cynomolgus monkeys using the sensitive Stable Isotope Labeling Kinetics (SILK™)-Aβ methodology...
May 15, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28300025/evaluation-of-matrix-effects-in-multiresidue-analysis-of-pesticide-residues-in-vegetables-and-spices-by-lc-ms-ms
#18
Suchi Chawla, Hemlatta K Patel, Hetal N Gor, Kiran M Vaghela, Priti P Solanki, Paresh G Shah
The study was conducted to investigate matrix interferences using QuEChERS sample preparation to understand whether the dilution of matrix and/or the grouping of commodities can eliminate the need for selective individual matrix-matched standards in LC with tandem MS (MS/MS) analysis, and whether the calibration graph based on only one matrix can be used for quantification in the other matrixes. Matrix effects (MEs) were studied by comparing the slopes of calibration curves of the matrix-matched standards (diluted with mobile phase) vis-à-vis the solvent-based standards...
May 1, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28195061/overview-of-the-preclinical-pharmacological-properties-of-nigella-sativa-black-seeds-a-complementary-drug-with-historical-and-clinical-significance
#19
E Z Dajani, T G Shahwan, N E Dajani
Nigella sativa (N. sativa, black seeds; or sometimes known by many other names such as the blessed seed by the Arabs, black cumin in the Holy Bible, black caraway and Kalonji in South Asia) has been traditionally used for many years not only as a food but also as complementary drug. It is the objective of this communication to review the evidence-based pre-clinical pharmacological actions of N. sativa as a basis of its existing and potential new human clinical uses. Primary PubMed literature searches and secondary Medline searches were conducted to define N...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28157311/structure-based-library-design-and-fragment-screening-for-the-identification-of-reversible-complement-factor-d-protease-inhibitors
#20
Anna Vulpetti, Stefan Randl, Simon Rüdisser, Nils Ostermann, Paul Erbel, Aengus Mac Sweeney, Thomas Zoller, Bahaa Salem, Bernd Gerhartz, Frederic Cumin, Ulrich Hommel, Claudio Dalvit, Edwige Lorthiois, Jürgen Maibaum
Chronic dysregulation of alternative complement pathway activation has been associated with diverse clinical disorders including age-related macular degeneration and paroxysmal nocturnal hemoglobinurea. Factor D is a trypsin-like serine protease with a narrow specificity for arginine in the P1 position, which catalyzes the first enzymatic reaction of the amplification loop of the alternative pathway. In this article, we describe two hit finding approaches leading to the discovery of new chemical matter for this pivotal protease of the complement system: in silico active site mapping for hot spot identification to guide rational structure-based design and NMR screening of focused and diverse fragment libraries...
February 20, 2017: Journal of Medicinal Chemistry
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