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https://www.readbyqxmd.com/read/28650591/the-silver-lining-towards-the-responsible-and-limited-usage-of-silver
#1
REVIEW
Kshipra Naik, Meenal Kowshik
Silver has attracted a lot of attention as a powerful, broad spectrum and natural antimicrobial agent since the ancient times because of its non-toxic nature to the human body at low concentrations. It has been used in treatment of various infections and ulcers, storage of water, and prevention of bacterial growth on the surfaces and within materials. However there are numerous medical and health benefits of colloidal or nano silver apart from its microbicidal ability which as yet have not been fully embraced by the medical community...
June 26, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28649077/hepatoprotective-evaluation-of-aqueous-ethanolic-extract-of-capparis-decidua-stems-in-paracetamol-induced-hepatotoxicity-in-experimental-rabbits
#2
Jalilur Rehman, Naveed Akhtar, Hafiz Muhammad Asif, Sabira Sultana, Mukhtiar Ahmad
Liver diseases are the most common ailment all over the world mostly caused by viruses, toxic chemicals, excessive intake of alcohol, high doses of paracetamol, carbon tetrachloride, chemotherapeutic agents and peroxides oil, etc. There is a great need to assess the scientific basis for the medicinal plants that are claimed to have hepatoprotective activity. We investigate the hepatoprotective effects of aqueous-ethanolic extract of Capparis decidua (Stems) against paracetamol induced liver injury in experimental animals...
March 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28647343/alcoholic-cardiomyopathy-what-is-known-and-what-is-not-known
#3
REVIEW
Antonio Mirijello, Claudia Tarli, Gabriele Angelo Vassallo, Luisa Sestito, Mariangela Antonelli, Cristina d'Angelo, Anna Ferrulli, Salvatore De Cosmo, Antonio Gasbarrini, Giovanni Addolorato
Excessive alcohol consumption represents one of the main causes of non-ischemic dilated cardiomyopathy. Alcoholic cardiomyopathy is characterized by dilation and impaired contraction of one or both myocardial ventricles. It represents the final effect of alcohol-induced toxicity to the heart. Several pathophysiological mechanisms have been proposed at the basis of alcohol-induced damage, most of which are still object of research. Unfortunately, symptoms of alcoholic cardiomyopathy are not specific and common to other forms of heart failure and appear when dilatation and systolic dysfunction are consolidated...
June 21, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28645581/improvement-of-isopropanol-tolerance-of-escherichia-coli-using-adaptive-laboratory-evolution-and-omics-technologies
#4
Takaaki Horinouchi, Aki Sakai, Hazuki Kotani, Kumi Tanabe, Chikara Furusawa
Isopropanol (IPA) is the secondary alcohol that can be dehydrated to yield propylene. To produce IPA using microorganisms, a significant issue is that the toxicity of IPA causes retardation or inhibition of cell growth, decreasing the yield. One possible strategy to overcome this problem is to improve IPA tolerance of production organisms. For the understanding of tolerance to IPA, we performed parallel adaptive laboratory evolution (ALE) of Escherichia coli under IPA stress. To identify the genotypic change during ALE, we performed genome re-sequencing analyses of obtained tolerant strains...
June 20, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28642585/how-postmortem-redistribution-of-mdma-in-acute-alcohol-mdma-combined-use-rats-change-under-effects-of-alcohol
#5
Man Liang, Jing Zhang, Na Zheng, Liang Liu
MDMA is often taken recreationally with alcohol as combined-use. The objective was to determine MDMA postmortem redistribution (PMR) and corresponding effects in combined-style under different storage conditions. Steps were 20%-mixture of alcohol-water for initial 4 weeks to Group-A&B and intragastric infusions of MDMA (150 mg/kg) to Group-A later; in the same time, drinking pure water to Group-C&D first and then MDMA-fed to Group-C. The sacrificed rats were kept under different conditions for 10-d, during which the body fluids and tissues were collected on 15 continuous time-points and then detected...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28642299/dysfunctional-neutrophil-effector-organelle-mobilisation-and-microbicidal-protein-release-in-alcohol-related-cirrhosis
#6
Thomas Henry Tranah, Godhev K Manakkat Vijay, Jennifer M Ryan, Robin Daniel Abeles, Paul Kevin Middleton, Debbie Lindsay Shawcross
BACKGROUND AND AIMS: Patients with alcohol-related cirrhosis (ALD) are prone to infection. Circulating neutrophils in ALD are dysfunctional and predict development of sepsis, organ dysfunction and survival. Neutrophil granules are important effector organelles containing a toxic array of microbicidal proteins, whose controlled release is required to kill micro-organisms whilst minimising inflammation and damage to host tissue. We investigated the role of these granular responses in contributing to immune disarray in ALD...
June 22, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28641543/zein-based-nanocarriers-as-potential-natural-alternatives-for-drug-and-gene-delivery-focus-on-cancer-therapy
#7
Ahmed Elzoghby, May Freag, Hadeer Mamdouh, Kadria Elkhodairy
Protein nanocarriers possess unique merits including minimal cytotoxicity, numerous renewable sources, and high drug-binding capability. In opposition to delivery carriers utilizing hydrophilic animal proteins, hydrophobic plant proteins (e.g, zein) have great tendency in fabricating controlled-release particulate carriers without additional chemical modification to stiffen them, which in turn evades the use of toxic chemical crosslinkers. Moreover, zein is related to a class of alcohol-soluble prolamins and generally recognized as safe (GRAS) carrier for drug delivery...
June 22, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28639467/ethanol-induced-symptoms-in-patients-receiving-gemcitabine-diluted-from-a-concentrate-for-solution-for-infusion-containing-ethanol
#8
Raúl Diez-Fernández, Rocío Vázquez-Sánchez, Laura López-Esteban, Santos Enrech-Frances, Ana María Sánchez-Peña, Laura Díaz-Paniagua, Miguel Soria-Tristán, José Miguel Martín Martínez, Teresa Molina-García
Purpose Ethanol as an excipient is used to enhance the solubility of gemcitabine, but, sometimes, the dose of ethanol a patient may be given is much higher than the dose considered to be toxic. We aimed to assess ethanol-related symptoms and signs in patients receiving two formulations of gemcitabine, with and without ethanol. Methods A randomized double blind cross-over study was conducted. All patients being treated with gemcitabine received two consecutive doses of the drug, one diluted from a concentrate for solution for infusion (CSI) containing ethanol and the other from a lyophilized powder, without ethanol, which was used as control group...
January 1, 2017: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/28636366/oxygenation-via-c-h-c-c-bond-activation-with-molecular-oxygen
#9
Yu-Feng Liang, Ning Jiao
The selective oxidation of organic molecules is a fundamentally important component of modern synthetic chemistry. In the past decades, direct oxidative C-H and C-C bond functionalization has proved to be one of the most efficient and straightforward methods to synthesize complex products from simple and readily available starting materials. Among these oxidative processes, the use of molecular oxygen as a green and sustainable oxidant has attracted considerable attention because of its highly atom-economical, abundant, and environmentally friendly characteristics...
June 21, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28632197/toxic-age-tage-theory-for-the-pathophysiology-of-the-onset-progression-of-nafld-and-ald
#10
REVIEW
Masayoshi Takeuchi, Jun-Ichi Takino, Akiko Sakasai-Sakai, Takanobu Takata, Mikihiro Tsutsumi
Non-alcoholic fatty liver disease (NAFLD) and alcoholic liver disease (ALD) are among the most common causes of chronic liver diseases in the westernized world. NAFLD and ALD are frequently accompanied by extrahepatic complications, including hepatocellular carcinoma and cardiovascular diseases, which have a negative impact on patient survival. The chronic ingestion of an excessive daily diet containing sugar/high-fructose corn syrup increases the level of the fructose/glucose metabolite, glyceraldehyde (GA), while the chronic consumption of an excessive number of alcoholic beverages increases the level of the alcohol metabolite, acetaldehyde (AA) in the liver...
June 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28629035/sodium-alginate-polyvinyl-alcohol-bovin-serum-albumin-coated-fe3o4-nanoparticles-as-anticancer-drug-delivery-vehicle-doxorubicin-loading-and-in-vitro-release-study-and-cytotoxicity-to-hepg2-and-l02-cells
#11
G Prabha, V Raj
The challenging part of this work was to research the potential aspects of sodium alginate (SA)-polyvinyl alcohol (PVA)-bovin serum albumin (BSA) coated Fe3O4 nanoparticles (Fe3O4-SA-PVA-BSA) as a drug delivery system for doxorubicin (DOX). The anticancer drug doxorubicin was selected as a model drug which is powerful for numerous cancer treatments. Superparamagnetic Fe3O4 nanoparticles were prepared by co-precipitation method. The mixture solution of Fe3O4-sodium alginate (SA) - doxorubicin (DOX) was crosslinked with Ca(2+) to form (Fe3O4-SA-DOX) nanoparticles and addition of PVA and BSA with (Fe3O4-SA-DOX) nanoparticles was prepared by coating procedure...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28624672/analysis-of-fire-deaths-in-poland-and-influence-of-smoke-toxicity
#12
Joanna Giebułtowicz, Monika Rużycka, Piotr Wroczyński, David A Purser, Anna A Stec
Dwelling fires have changed over the years because building contents and the materials used in then have changed. They all contribute to an ever-growing diversity of chemical species found in fires, many of them highly toxic. These arise largely from the changing nature of materials in interior finishes and furniture, with an increasing content of synthetic materials containing higher levels of nitrogen, halogen and phosphorus additives. While there is still a belief that carbon monoxide is the major lethal toxic agent in fires, the hydrogen cyanide and acid gases released from these additives are now well-recognised as major contributory causes of incapacitation, morbidity and mortality in domestic fires...
June 9, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28622071/survival-in-out-of-hospital-rapid-sequence-intubation-of-non-traumatic-brain-pathologies
#13
Pieter Francsois Fouche, Paul Andrew Jennings, Karen Smith, Malcolm Boyle, Gabriel Blecher, Jonathan Knott, Mani Raji, Pamela Rosengarten, Michael Roberto Augello, Stephen Bernard
INTRODUCTION: Rapid sequence intubation (RSI) is not only used in traumatic brain injuries in the out-of-hospital setting, but also for non-traumatic brain pathologies (NTBP) such as brain tumors, meningitis, encephalitis, hypoxic/anoxic brain injury, stroke, arteriovenous malformations, tumors, aneurysms, brain hemorrhage, as well as brain injury due to diabetes, seizures and toxicity, metabolic conditions, and alcohol and drug overdose. Previous research suggests that RSI is common in non-traumatic coma, but with an unknown prevalence of NTBP in those that receive RSI...
June 16, 2017: Prehospital Emergency Care
https://www.readbyqxmd.com/read/28619434/terminalia-chebula-attenuates-quinolinate-induced-oxidative-pc12-and-oln-93-cell-death
#14
Hamid R Sadeghnia, Roya Jamshidi, Amir R Afshari, Hamid Mollazadeh, Fatemeh Forouzanfar, Hasan Rakhshandeh
BACKGROUND: Quinolinic acid (QA) is a product of tryptophan degradation and its pathologic accumulation has been found to induce neuroinflammatory and demyelinating diseases such as multiple sclerosis via excessive free radicals generation. Recent studies showed that Terminalia chebula has several pharmacological effects such as antioxidant, anti-inflammatory and neuroprotective properties. The aim of this study was evaluation of the protective effect of T. chebula alcoholic extract (TCAE) on oxidative PC12 and OLN-93 cells death induced by QA...
May 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28612667/all-that-glitters-yellow-is-not-gold-presentation-and-pathophysiology-of-bile-cast-nephropathy
#15
Mitchell Pitlick, Prerna Rastogi
BACKGROUND: Acute kidney injury (AKI) often manifests in patients with liver disease because of a prerenal cause and presents as acute tubular necrosis or hepatorenal syndrome. Distinguishing between these entities is important for prognosis and treatment. Some patients may develop AKI related to their underlying liver disease: for example, membranoproliferative glomerulonephritis or IgA nephropathy. Bile cast nephropathy is an often ignored differential diagnosis of AKI in the setting of obstructive jaundice...
June 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28608001/anti-zn-2-toxicity-of-4-hydroxybenzyl-alcohol-in-astrocytes-and-neurons-contribute-to-a-robust-neuroprotective-effects-in-the-postischemic-brain
#16
Lidan Luo, Seung-Woo Kim, Hye-Kyung Lee, Il-Doo Kim, Hahnbie Lee, Ja-Kyeong Lee
4-Hydroxybenzyl alcohol (4-HBA) is an important phenolic constituent of Gastrodia elata (GE) Blume, which is used as a traditional herbal medicine in East Asia. Many activities have been reported to underlie the beneficial effects of 4-HBA in brain, such as, anti-oxidative, anti-inflammatory, anti-excitotoxic, and anti-apoptotic effects in neurons and microglia. Here, the authors demonstrate the robust neuroprotective effects of 4-HBA in rat middle cerebral artery occlusion (MCAO) model of stroke, and showed anti-Zn(2+) toxicity in neurons and astrocytes as a molecular mechanism contributing to these effects...
June 12, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28601433/characterization-of-xenobiotic-metabolizing-enzymes-of-a-reconstructed-human-epidermal-model-from-adult-hair-follicles
#17
Daniel Bacqueville, Carine Jacques, Laure Duprat, Emilien L Jamin, Beatrice Guiraud, Elisabeth Perdu, Sandrine Bessou-Touya, Daniel Zalko, Hélène Duplan
In this study, a comprehensive characterization of xenobiotic metabolizing enzymes (XMEs) based on gene expression and enzyme functionality was made in a reconstructed skin epidermal model derived from the outer root sheath (ORS) of hair follicles (ORS-RHE). The ORS-RHE model XME gene profile was consistent with native human skin. Cytochromes P450 (CYPs) consistently reported to be detected in native human skin were also present at the gene level in the ORS-RHE model. The highest Phase I XME gene expression levels were observed for alcohol/aldehyde dehydrogenases and (carboxyl) esterases...
June 7, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28599715/quantifying-the-contribution-of-alcohol-to-cardiomyopathy-a-systematic-review
#18
REVIEW
Jürgen Rehm, Omer Syed Muhammad Hasan, Sameer Imtiaz, Maria Neufeld
Alcohol has a direct toxic impact on the heart, and while there is an ICD code for alcoholic cardiomyopathy, the burden of alcohol-attributable cardiomyopathy is not clear. For the usual estimation of this burden via population-attributable fractions, one would need to determine the risk relationships, i.e., average risk associated with different dimensions of alcohol exposure. The most important among these risk relationships is the dose-response relationship with different levels of average alcohol consumption...
June 2017: Alcohol
https://www.readbyqxmd.com/read/28597479/tuning-the-reactivity-of-functionalized-diallylic-alcohols-br%C3%A3-nsted-acid-vs-lewis-acid-catalysis
#19
Elisabet Dunach, Luisa Lempenauer, Gilles Lemière
The chemodivergent reactivity of bifunctional, enol thioether-containing diallylic alcohols in acidic medium is disclosed, highlighting the difference between strong Lewis acid and mild Brønsted acid catalysis. In the presence of bismuth(III) triflate, allylic alcohol activation affords diversely substituted cyclopentenones in a Nazarov-type electrocyclization, whereas activation of the thioenol ether by p-toluenesulfonic acid provides an entry to α-sulfenylated β,γ-unsaturated ketones. Both methods represent a facile access to the corresponding products under mild conditions, using inexpensive and non-toxic catalytic systems...
June 9, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28591561/over-expression-of-groesl-in-cupriavidus-necator-for-heterotrophic-and-autotrophic-isopropanol-production
#20
Jillian Marc, Estelle Grousseau, Eric Lombard, Anthony J Sinskey, Nathalie Gorret, Stéphane E Guillouet
We previously reported a metabolic engineering strategy to develop an isopropanol producing strain of Cupriavidus necator leading to production of 3.4gL(-1) isopropanol. In order to reach higher titers, isopropanol toxicity to the cells has to be considered. A toxic effect of isopropanol on the growth of C. necator has been indeed observed above a critical value of 15gL(-1). GroESL chaperones were first searched and identified in the genome of C. necator. Native groEL and groES genes from C. necator were over-expressed in a strain deleted for PHA synthesis...
June 4, 2017: Metabolic Engineering
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