Glucosinolates are the major class of secondary metabolites found in Brassicacrops. The molecule comprises a β-thioglucose moiety, a sulphonated oxime moiety and a variable side chain, derived from...

TY - GEN. T1 - (111)-Oriented large-grain Ge on insulator by gold-induced crystallization combined with interfacial layer insertion. AU - Park, Jong Hyeok. AU - Suzuki, Tsuneharu. AU - Kurosawa, Masashi. AU - Miyao, Masanobu. AU - Sadoh, Taizoh. PY - 2012/10/31. Y1 - 2012/10/31. N2 - Low-temperature (≤ 350°C) formation of orientation-controlled large-grain Ge on insulating substrates is essential to achieve advanced flexible devices employing plastic substrates. To achieve this, effects of interfacial-oxide layer insertion on gold-induced crystallization (GIC) of amorphous Ge films on insulating substrates have been investigated. Consequently, (111)-oriented large-grain (20-50 μm) Ge crystals are obtained at 350°C by inserting interfacial oxide layers. It is speculated that this phenomena is attributed to suppression of random bulk nucleation of Ge in Au films.. AB - Low-temperature (≤ 350°C) formation of orientation-controlled large-grain Ge on insulating substrates is essential to ...

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Ball Mill For Copper Ore Beneficiation Plant Machines. Ball mill for copper ore beneficiation plant machines. agitation tank for mining agitation tank for mining 300l mixing tank for mineral processing exporter offers 971 agitation tank for mining products about 43 of these are mixing equipment 1 are chemical storage equipment and 1 are water Gold ore ball mill is a kind of grinding equipment,which is a necessary device in the gold ore beneficiation process. Natural gold ore needs to be crushed again with a gold ball mill after the process of crushers. The gold ball mill is equipped with steel balls inside. The steel ball is harder and stronger than the gold ore so the gold ore Oct 12, 2020Energy Saving Ball Mill. Get Price (pdf) beneficiation of the gold bearing ore by gravity and flotation pdf gold concentration usually consists of gravity separation, flotation, cyanidation, or the which utilizes different surface properties of particles and their wetting behavior. a review on alternative gold ...

Professional guide for Auranofin. Includes: pharmacology, pharmacokinetics, contraindications, interactions, adverse reactions and more.

Title: Protein Targets for Anticancer Gold Compounds: Mechanistic Inferences. VOLUME: 11 ISSUE: 10. Author(s):Chiara Gabbiani and Luigi Messori. Affiliation:MetMed Lab, Department of Chemistry, University of Florence, via della Lastruccia, 3, 50019 Sesto Fiorentino, Florence, Italy.. Keywords:Gold compounds, cancer, proteins, metal-protein adducts, phosphine complexes, antiproliferative properties, dithiocarbamate complexes, thiosugar ligand, X-ray diffraction, cytochrome c. Abstract: Gold compounds form an interesting class of antiproliferative agents of potential pharmacological use in cancer treatment. Indeed, a number of gold compounds, either gold(III) or gold(I), were recently described and characterised that manifested remarkable cytotoxic properties in vitro against cultured cancer cells; for some of them encouraging in vivo results were also reported toward a few relevant animal models of cancer. The molecular mechanisms through which gold compounds exert their biological effects are ...

In recent years, gold compounds have gained more and more attentions in the design of new metal anticancer drugs. Numerous researches have reported that gold compounds, in addition to their widely studied cytotoxic antitumor effects, also reverse tumor immune escape and directly facilitate the functions of immune cells, leading to enhanced anticancer effects. This review mainly summarizes our current understandings of antitumor effects of gold drugs and their relationships with various aspects of antitumor immunity, including innate immunity, adaptive immunity, immunogenic cell death, and immune checkpoints, as well as their roles in adverse effects. Some recent examples of anticancer gold compounds are highlighted. The property of gold compounds is expected to combine with anticancer immunotherapy, such as immune checkpoint inhibitors, to develop new anticancer therapeutic strategies.

Seventy-four Israeli patients with rheumatoid arthritis (RA) were studied for possible association between HLA antigens and adverse reactions to gold treatment (aurothioglucose). HLA-B35 was significantly increased in patients who developed gold induced mucocutaneous lesions. These results are in accord with earlier reports, despite the different genetic background of the Israeli RA population and the different type of gold compound used. ...

0101]Particularly advantageous antioxidants are chosen from the group consisting of amino acids (e.g. glycine, histidine, tyrosine, tryptophan) and derivatives thereof, imidazoles (e.g. urocanic acid) and derivatives thereof, peptides such as D,L-carnosine, D-carnosine, L-carnosine and derivatives thereof (e.g. anserine), carotenoids, carotenes (e.g. alpha.-carotene, β-carotene, lycopene) and derivatives thereof, chlorogenic acid and derivatives thereof, lipoic acid and derivatives thereof (e.g. dihydrolipoic acid), aurothioglucose, propylthiouracil and other thiols (e.g. thioredoxin, glutathione, cysteine, cystine, cystamine and the glycosyl, N-acetyl, methyl, ethyl, propyl, amyl, butyl and lauryl, palmitoyl, oleyl, γ-linoleyl, cholesteryl and glyceryl esters thereof) and salts thereof, dilauryl thiodipropionate, distearyl thiodipropionate, thiodipropionic acid and derivatives thereof (esters, ethers, peptides, lipids, nucleotides, nucleosides and salts) and sulfoximine compounds (e.g. ...

Gold compounds have been employed for the treatment of rheumatoid arthritis (RA) since Forestier pioneered their use for this purpose in 1929. Subsequent randomized trials confirmed the effectiveness of gold in RA (seebelow). Gold has also been used

We prefer compounds that require metabolic activation, although standards that are active in themselves will be accepted if they have otherwise valuable properties. We require knowing the active metabolite, and we prefer compounds where the metabolite is stable and can be independently tested in order to verify the mechanism of toxicity as well as of metabolic activation in the test cell line ...

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To the Editor.-In recent years, many reports have been published about the occurrence of several dermatologic lesions in the course of gold therapy. Only one ca

The E. coli biosensor developed by the international team of US and Australian researchers, as well as a similar biosensor developed by an Argentinian team, represent important steps towards revolutionizing gold prospecting. However, further refinement of this technology is necessary. First, more rigorous determination of the biosensor capabilities is required. While this study is an improvement over previous research because more realistic samples were used (soil samples and metal mixtures), a larger range of gold concentrations should be tested. Also, the effect of gold and other metals on the physiology of the bacteria needs to be better characterized. As mentioned in the study, the toxic effects of high concentrations of metals can compromise the ability of the bacteria to express the reporter. Finally, the pivotal experiment in which real soil samples were used lacks an important control: the unspiked soil (not containing gold). It is critical that these experiments are repeated with proper ...

Two placebo-controlled studies, involving a total of 81 individuals with rheumatoid arthritis, found significant reductions in swelling and pain over the course of 3 months. A comparative study in 60 arthritic patients over 6 months showed that Boswellia extract produced symptomatic benefits comparable to oral gold therapy in arthritic patients. According to a recent review of unpublished studies, preliminary double-blind trials have found Boswellia to be effective in relieving the symptoms of rheumatoid arthritis. ...

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Glucosinolates are plant secondary metabolites composed of a thioglucose group and an amino acid side-chain. They occur in the Brassicaceae and related families. A wide variety of glucosinolates exists owing to modification of the side-chain structure. Following tissue damage, myrosinase enzymes catalyse the decomposition of glucosinolates to a variety of volatile and nonvolatile products. The genetic control of concentration and side-chain modification of aliphatic glucosinolates, which have side-chains derived from methionine, are simple and well known from work on Arabidopsis and Brassica crops. In controlled conditions in the laboratory or in field trials, many aliphatic glucosinolates, or their degradation products, affect the behaviour of herbivores. For these reasons, we suggest that polymorphism for aliphatic glucosinolates in natural populations offers an attractive system for the study of ecological genetics of plant-herbivore interactions.

Two pairs of sibs with definite rheumatoid arthritis responded in a remarkably similar way to parenteral gold therapy, in terms of both toxicity and efficacy. Both pairs proved to be HLA identical. One of the pairs possessed the HLA antigens B8 and DR3, which have been associated with both drug toxicity and excellent clinical response. The other pair did not possess either of these antigens, suggesting that the reaction to gold therapy in patients with rheumatoid arthritis may be determined by other HLA or genetic factors coded for by chromosome 6, or both. ...

Auranofin is a thiol-reactive gold (I)-containing compound with potential asa chemotherapeutic. Auranofin has the capacity to selectively inhibit endogenous antioxidant enzymes thioredoxin reductase (TrxR) and glutathione peroxidase (GPx), resulting in oxidative stress and the initiation of a pro-apoptotic cascade. The effect of Auranofin exposure on TrxR and GPx, and the potential for cellular protection through selenium supplementation was examined in the non-cancerous human cell line Swan-71. Auranofin exposure resulted in a concentration dependent differential inhibition of selenoprotein antioxidants. Significant inhibition of TrxR was observed at 20nM Auranofin with inhibition of GPx from 10µM. Significant increases in reactive oxygen species (ROS) were associated with antioxidant inhibition at Auranofin concentrations of 100nM (TrxR inhibition) and 10µM (TrxR and GPx inhibition), respectively. Evaluation of mitochondrial respiration demonstrated significant reductions in routine and ...

PRIMARY OBJECTIVES:. I. To demonstrate the feasibility of conducting a 10-patient pilot study in asymptomatic ovarian cancer patients with cancer antigen (CA 125) elevation.. SECONDARY OBJECTIVES:. I. To explore whether oral gold therapy either stabilizes or lowers the CA 125 level and maintains patients in an asymptomatic state and to provide descriptive data on tumor response and duration of response.. II. To acquire qualitative data on patients perceptions of learning of CA 125 elevation.. III. To explore whether immunohistochemical staining for PKC iota expression in resected tumor samples appears to be associated with clinical outcomes with auranofin.. OUTLINE:. Patients receive auranofin orally (PO) twice daily (BID) on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.. After completion of study treatment, patients are followed up every 6 months for 2 years. ...

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High-field proton NMR spectroscopic analysis of urine and plasma has been employed to study the biochemical effects and nephrotoxic action of an intramuscular dose of auranofin in rats. Auranofin induced a characteristic profile of proximal tubular damage as evidenced by aminoaciduria, lactic aciduria and increased urinary acetate concentrations. In addition, ethanol was detectable in both urine and plasma obtained from auranofin-treated rats. Auranofin-mediated elevations in the plasma and urine concentrations of 3-D-hydroxybutyrate indicated an increased utilisation of fats for fuel in rats treated with this novel therapeutic agent.. ...

Freshly isolated peripheral blood mononuclear cells (PBMC) from 10 healthy volunteers, 28 patients with rheumatoid arthritis (RA), eight patients with osteoarthritis, and five patients with ankylosing spondylitis were examined for interleukin-1 alpha (IL-1 alpha) and interleukin-1 beta (IL-1 beta) production using monoclonal antibodies and an indirect immunofluorescent method. In freshly isolated PBMC from healthy controls very few cells were stained for either IL-1 type. All 20 RA patients who were not receiving parenteral gold therapy had PBMC staining for IL-1 alpha. In these patients, up to 7.5% of PBMC showed bright IL-1 alpha staining (range 1.2-7.5%). No IL-1 beta staining was seen. These IL-1 alpha-staining cells had a dendritic morphology and the percentage of cells staining correlated well with levels of C-reactive protein, an index of disease activity in these RA patients. Significantly fewer IL-1 alpha-staining cells were present in the peripheral blood of RA patients receiving gold therapy

Arthrisoothe Gold Tablets- joint supplements for dogs with arthritis, joint pain and stiffness. This natural pain relief remedy contains glucosamine, chondroitin, MSM and more.

For use in dogs over the age of 12 weeks. Recommended for dogs in need of advanced joint care, such as senior dogs, and those recovering from joint related surgery. Helps maintain healthy bone, connective tissue, joint structure and function.IngredientsActive Ingredients per 3 Soft Chews: Glucosamine (Shellfish Source)

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ASCORBYL GLUCOSIDE. produs obtinut prin condensarea acidului ascorbic cu glucoza.Poate reduce radicalii liberi care rezulta de la iradierea UV a pielii si reduce semnificativ deteriorarea celulelor si previne fotoimbatranirea. De asemenea, promoveaza sinteza de colagen. Colagenul este o proteina care...

Through the exceptional capabilities and caring spirit of its people, Vanderbilt will lead in improving the healthcare of individuals and communities regionally, nationally and internationally. We will combine our transformative learning programs and compelling discoveries to provide distinctive personalized care ...

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We describe the first case of chronic neutropenia of 17 years duration following gold therapy in a 53-year-old woman given a 1-g course of gold therapy in 1965 for treatment of seropositive rheumatoid arthritis. Although she had a good response to the gold therapy, her originally normal leukocyte count fell to 1.2 x 10(9)/L. Over the subsequent 17 years, she required multiple hospitalizations for recurrent skin, mouth, and respiratory tract infections. Serial leukocyte counts failed to show a cyclical nature to the chronic neutropenia. Normal results of a technetium Tc 99m spleen scan and lack of increased bone marrow leukocyte precursors rendered a diagnosis of Feltys syndrome unlikely. A bone marrow biopsy specimen revealed an isolated reduction in the number of myeloid precursors, which is consistent with gold-induced bone marrow toxicity. This patients relative freedom from serious life-threatening infections remains enigmatic, but is undoubtedly related to her ability to augment another ...

Abstract: Aim: Using structural bioinformatics methods, the aim is to assess the hypothesis that hepatitis C virus (HCV) encodes a glutathione peroxidase (GPx) gene in an overlapping reading frame, linking HCV expression and pathogenesis to the Se status and dietary oxidant/antioxidant balance of the host. Methods: The putative HCV GPx gene was identified by searching viral sequence databases, using conserved GPx active site sequences as probes, giving particular weight to the UGA (selenocysteine) codon. Multiple sequence alignments were generated and analyzed to validate the sequence similarity, and to establish the degree of conservation of the identified genomic features in HCV. Molecular modeling was used to assess the structural feasibility of the proposed homology. Results: The GPx homology region overlaps the NS4 gene, and is well conserved in HCV. The sequence similarity of the conserved active site regions to a set of known GPx is high (4 to 6 SD greater than expected for similar random ...

TY - JOUR. T1 - Gold drug auranofin restricts the viral reservoir in the monkey AIDS model and induces containment of viral load following ART suspension. AU - Lewis, Mark G.. AU - Dafonseca, Sandrina. AU - Chomont, Nicolas. AU - Palamara, Anna T.. AU - Tardugno, Maria. AU - Mai, Antonello. AU - Collins, Matt. AU - Wagner, Wendeline L.. AU - Yalley-Ogunro, Jake. AU - Greenhouse, Jack. AU - Chirullo, Barbara. AU - Norelli, Sandro. AU - Garaci, Enrico. AU - Savarino, Andrea. PY - 2011/7/17. Y1 - 2011/7/17. N2 - Objectives: A small pool of long-lived memory CD4 T cells harboring the retroviral genome is one main obstacle to HIV eradication. We tested the impact of the gold compound, auranofin, on phenotype and viability of CD4 + T cells in vitro, and on persistence of lentiviral reservoir cells in vivo. Design: In-vitro and in-vivo study. The pro-differentiating effect of auranofin was investigated in human primary CD4 + T cells, and its capacity to deplete the viral DNA (vDNA) reservoir was tested ...

Clostridioides difficile is the leading cause of nosocomial infections and a worldwide urgent public health threat. Without doubt, there is an urgent need for new effective anticlostridial agents due to the increasing incidence and severity of C. difficile infection (CDI). The aim of the present study is to investigate the in vivo efficacy of auranofin (rheumatoid arthritis FDA-approved drug) in a CDI mouse model and establish an adequate dosage for treatment. The effects of increased C. difficile inoculum, and pre-exposure to simulated gastric intestinal fluid (SGF) and simulated intestinal fluid (SIF), on the antibacterial activity of auranofin were investigated. Auranofins in vitro antibacterial activity was stable in the presence of high bacterial inoculum size compared to vancomycin and fidaxomicin. Moreover, it maintained its anti-C. difficile activity after being exposed to SGF and SIF. Upon testing in a CDI mouse model, auranofin at low clinically achievable doses (0.125 mg/kg and 0.25 ...

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Among the twenty gold-based compounds Benoit Bertrand synthesized, two of them presented interesting selective toxicity for cancer cells compared to healthy cells and tissues and deserve further investigations as potential anticancer drugs. Currently, platinum-based compounds are present in the majority of the chemotherapeutic cocktails. However, despite their clinical success, platinum-based drugs present several limitations including numerous and severe side effects. A strategy envisaged to overcome these limitations is the replacement of platinum by other transition metals. Among the different metals tested over the years, gold compounds have been shown to be promising as they can overcome resistance to cisplatin due to their different modes of action. In his thesis, Bertrand presents the synthesis of different types of gold-based complexes including gold(I)-N-heterocyclic carbenes (NHC), (C^N) cyclometalated gold(III) complexes as well as heterobimetallic complexes bearing a gold(I)-NHC ...

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Deep brain stimulation (DBS) is a neurosurgical procedure involving the implantation of a medical device called a neurostimulator (sometimes referred to as a brain pacemaker), which sends electrical impulses, through implanted electrodes, to specific targets in the brain (brain nuclei) for the treatment of movement and neuropsychiatric disorders. DBS in select brain regions has provided therapeutic benefits for otherwise-treatment-resistant disorders such as Parkinsons disease, essential tremor, dystonia, chronic pain, major depression and obsessive-compulsive disorder (OCD). Despite the long history of DBS, its underlying principles and mechanisms are still not clear. DBS directly changes brain activity in a controlled manner, its effects are reversible (unlike those of lesioning techniques), and it is one of only a few neurosurgical methods that allow blinded studies. The Food and Drug Administration (FDA) approved DBS as a treatment for essential tremor and Parkinsons disease in 1997, ...