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In Vitro Stimulation of Murine Peritoneal Monocytes Induced by Alginates
Pasquali Paolo,Zalcman Amy,Murtas Susanna,Adone Rosanna,Brambilla Gianfranco,Marianelli Cinzia,Cagiola Monica,Ciuchini Franco The Pharmaceutical Society of Korea 2005 Archives of Pharmacal Research Vol.28 No.8
In this trial we assessed the effect of soluble alginates on murine cells. Mouse peritoneal monocytes were stimulated in vitro with a solution of alginate. The production of $TNF-\alpha$ and nitric oxide (NO), the expression of surface molecules CD80 and CD86, and the ability of monocytes to phagocyte bacteria were assessed, in order to evaluate the effect of alginate on cell functionality. We showed that mouse peritoneal monocytes stimulated with alginate produce NO and $TNF-\alpha$. In addition, alginate is able also to increase their phagocytic activity and to a lesser extent also to increase the expression of CD80. Even with different degrees, it implies that alginates per se act directly on immune response, being able to effectively stimulate proinflammatory activity. These findings corroborate the idea that alginates can represent interesting adjuvants to use to increase the efficacy of antigenic stimulation.
In Vitro Stimulation of Murine Peritoneal Monocytes Induced by Alginates
Paolo Pasquali,Amy Zalcman,Susanna Murtas,Rosanna Adone,Gianfranco Brambilla,Franco Ciuchini,Monica Cagiola,Cinzia Marianelli 대한약학회 2005 Archives of Pharmacal Research Vol.28 No.8
In this trial we assessed the effect of soluble alginates on murine cells. Mouse peritoneal monocytes were stimulated in vitro with a solution of alginate. The production of TNF-α and nitric oxide (NO), the expression of surface molecules CD80 and CD86, and the ability of monocytes to phagocyte bacteria were assessed, in order to evaluate the effect of alginate on cell functionality. We showed that mouse peritoneal monocytes stimulated with alginate produce NO and TNF-α. In addition, alginate is able also to increase their phagocytic activity and to a lesser extent also to increase the expression of CD80. Even with different degrees, it implies that alginates per se act directly on immune response, being able to effectively stimulate proinflammatory activity. These findings corroborate the idea that alginates can represent interesting adjuvants to use to increase the efficacy of antigenic stimulation.
Vitamin A Supplementation for Different Periods Alters Oxidative Parameters in Lungs of Rats
Matheus Augusto de Bittencourt Pasquali,Daniel Pens Gelain,Marcos Roberto de Oliveira,Guilherme Antônio Behr,Leonardo Lisbôa da Motta,Ricardo Fagundes da Rocha,Fábio Klamt,José Cláudio Fonseca Moreira 한국식품영양과학회 2009 Journal of medicinal food Vol.12 No.6
Lungs require an adequate supply of vitamin A (retinol) for normal embryonic development, postnatal maturation, and maintenance and repair during adult life. However, recent intervention studies revealed that supplementation with retinoids resulted in higher incidence of lung cancer, although the mechanisms underlying this effect are still unknown. Here, we studied the effect of vitamin A supplementation on oxidative stress parameters in lungs of Wistar rats. Vitamin A supplementation at either therapeutic (1,000 and 2,500IU/kg) or excessive (4,500 and 9,000IU/kg) doses for 3, 7, or 28 days induced lipid peroxidation, protein carbonylation, and oxidation of protein thiol groups, as well as change in catalase and superoxide dismutase activity. Together, these results suggest that vitamin A supplementation causes significant changes in redox balance, which are frequently associated with severe lung dysfunction.
Horikoshi, Momoko,Pasquali, Lorenzo,Wiltshire, Steven,Huyghe, Jeroen R.,Mahajan, Anubha,Asimit, Jennifer L.,Ferreira, Teresa,Locke, Adam E.,Robertson, Neil R.,Wang, Xu,Sim, Xueling,Fujita, Hayato,Hara IRL Press 2016 Human molecular genetics Vol.25 No.10
<P>To gain insight into potential regulatory mechanisms through which the effects of variants at four established type 2 diabetes (T2D) susceptibility loci (<I>CDKAL1</I>, <I>CDKN2A-B</I>, <I>IGF2BP2</I> and <I>KCNQ1</I>) are mediated, we undertook transancestral fine-mapping in 22 086 cases and 42 539 controls of East Asian, European, South Asian, African American and Mexican American descent. Through high-density imputation and conditional analyses, we identified seven distinct association signals at these four loci, each with allelic effects on T2D susceptibility that were homogenous across ancestry groups. By leveraging differences in the structure of linkage disequilibrium between diverse populations, and increased sample size, we localised the variants most likely to drive each distinct association signal. We demonstrated that integration of these genetic fine-mapping data with genomic annotation can highlight potential causal regulatory elements in T2D-relevant tissues. These analyses provide insight into the mechanisms through which T2D association signals are mediated, and suggest future routes to understanding the biology of specific disease susceptibility loci.</P>
Composite Ni-TiO<sub>2</sub> nanotube arrays electrode for photo-assisted electrolysis
Pozio, Alfonso,Masci, Amedeo,Pasquali, Mauro Techno-Press 2015 Advances in energy research Vol.3 No.1
This article is addressed to define a new composite electrode constituted by porous nickel and an array of highly ordered $TiO_2$ nanotubes obtained by a previous galvanostatic anodization treatment in an ethylene glycol solution. The electrochemical performances of the composite anode were evaluated in a photo-electrolyser, which showed good solar conversion efficiency with respect to the UV irradiance together with a reduction of energy consumption. Such a combination of materials makes our system simple and able to work both in dark and under solar light exposure, thus opening new perspectives for industrial-scale applications.
Clinical findings, rhinoscopy and histological evaluation of 54 dogs with chronic nasal disease
Marco Pietra,Flavio Pasquali,Noemi Romagnoli,Giuliano Bettini,Alessandro Spadari,Giuseppe Spinella 대한수의학회 2010 Journal of Veterinary Science Vol.11 No.3
Nasal diseases are very common in dogs and rhinoscopy is often required for a definitive diagnosis. Rhinoscopy, while superficial in nature, can guide the clinician to the final diagnosis. In this study, rhinoscopy was performed on 54 dogs with symptoms of chronic nasopharyngeal disease. The endoscopic diagnosis of neoplasia or chronic nasal inflammation was validated with histological examination of pathological samples, in order to evaluate the degree of concordance between endoscopic findings and histological diagnosis. The agreement between endoscopy and histology was tested by application of Cohen’s kappa coefficient. We conclude that correlation between endoscopic results and histological diagnosis, expressed by a Cohen’s kappa coefficient of 0.73,is only possible with a constant cooperation between the clinician and the pathologist.
Caroline Dani,Matheus A.B. Pasquali,Marcos R. Oliveira,Fernanda M. Umezu,Mirian Salvador,Joao A.P. Henriques,Jose C.F. Moreira 한국식품영양과학회 2008 Journal of medicinal food Vol.11 No.1
The antioxidant properties of purple grape juice, organic and conventional, in brain tissues are not well known.In this study our objective was to evaluate the antioxidant activity in substantia nigra and striatum of rats chronically treatedwith organic or conventional purple grape juice and to correlate the results obtained with the polyphenol content (total polyphe-nolic content, resveratrol, and anthocyanins [malvidin, delphinidin, peonidin, and cyanidin]). We observed that CCl4 damagedecreased significantly in the grape juice-treated groups when compared with the control group. In the grape juice-treatedgroups we further observed a decrease of lipid (thiobarbituric acid-reactive substances assay) and protein (carbonyl) peroxi-dation, as well as a significant antioxidant protection through the increase of enzyme activity. Antioxidant activities were sig-nificantly correlated with polyphenol content. These findings demonstrated that both grape juices have potent antioxidant prop-erties and these activities could be at least attributed to the high phenolic content present in these juices.