93 results on '"Baratti, M"'
Search Results
2. Veterinary fluoroquinolones as emerging contaminants in marine environments: In vitro study of biochemical responses in subcellular fractions of the Mediterranean mussel (Mytilus galloprovincialis)
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Giannessi, J., De Marchi, L., Meucci, V., Intorre, L., Monni, G., Baratti, M., and Pretti, C.
- Published
- 2024
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3. Four scenarios of environmental risk of diclofenac in European groundwater ecosystems
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Di Lorenzo, T., Cifoni, M., Baratti, M., Pieraccini, G., Di Marzio, W.D., and Galassi, D.M.P.
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- 2021
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4. Atlantic and Mediterranean populations of the widespread serpulid Ficopomatus enigmaticus: Developmental responses to carbon nanotubes
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Oliva, M., De Marchi, L., Vieira Sanches, M., Pires, A., Cuccaro, A., Baratti, M., Chiellini, F., Morelli, A., Freitas, R., and Pretti, C.
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- 2020
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5. Effects of copper on larvae of the marbled crab Pachygrapsus marmoratus (Decapoda, Grapsidae): Toxicity test and biochemical marker responses
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Oliva, M., De Marchi, L., Cuccaro, A., Casu, V., Tardelli, F., Monni, G., Freitas, R., Caliani, I., Fossi, M.C., Fratini, S., Baratti, M., and Pretti, C.
- Published
- 2019
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6. Investigation of mechanisms underlying chaotic genetic patchiness in the intertidal marbled crab Pachygrapsus marmoratus (Brachyura: Grapsidae) across the Ligurian Sea
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Iannucci, A., Cannicci, S., Caliani, I., Baratti, M., Pretti, C., and Fratini, S.
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- 2020
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7. Argas (Persicargas) persicus (Oken, 1818) (Ixodida: Argasidae) in Sicily with considerations about its Italian and West-Mediterranean distribution
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Pantaleoni R.A., Baratti M., Barraco L., Contini C., Cossu C.S., Filippelli M.T., Loru L., and Romano M.
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Ixodida ,Argasidae ,geographic distribution ,Italy ,Infectious and parasitic diseases ,RC109-216 - Abstract
Recently, in the province of Trapani (Western Sicily), some overwintering specimens of the argasid tick Argas (Persicargas) persicus (Oken, 1818) were observed and collected. Morphological and genetic analysis were utilized in order to reach a definitive identification. The species was found in two semi-natural sites where, having been found repeatedly, its presence does not appear accidental. Moreover the characteristics of the Sicilian findings seem to exclude a human-induced spread. This record, the first regarding Sicily and South Italy, is discussed together with the previous doubtful citations for Italy. These findings revalue not only all the old citations for Italy but also the hypothesis that the Mediterranean distribution of this argasid is of a natural origin.
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- 2010
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8. Complex genetic patterns in the mangrove wood-borer Sphaeroma terebrans Bate, 1866 (Isopoda, Crustacea, Sphaeromatidae) generated by shoreline topography and rafting dispersal
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Baratti, M., Filippelli, M., and Messana, G.
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- 2011
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9. Sensitivity of hypogean and epigean freshwater copepods to agricultural pollutants
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Di Lorenzo, T., Di Marzio, W. D., Sáenz, M. E., Baratti, M., Dedonno, A. A., Iannucci, A., Cannicci, S., Messana, G., and Galassi, D. M. P.
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- 2014
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10. MHC genotype predicts mate choice in the ring-necked pheasant Phasianus colchicus
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BARATTI, M., DESSÌ-FULGHERI, F., AMBROSINI, R., BONISOLI-ALQUATI, A., CAPRIOLI, M., GOTI, E., MATTEO, A., MONNANNI, R., RAGIONIERI, L., RISTORI, E., ROMANO, M., RUBOLINI, D., SCIALPI, A., and SAINO, N.
- Published
- 2012
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11. Introgression of chukar genes into a reintroduced red-legged partridge (Alectoris rufa) population in central Italy
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Baratti, M., Ammannati, M., Magnelli, C., and Dessì-Fulgheri, F.
- Published
- 2005
12. Polymorphic microsatellites developed by cross-species amplifications in common pheasant breeds
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Baratti, M., Alberti, A., Groenen, M., Veenendaal, T., and Fulgheri, F. D.
- Published
- 2001
13. Temperature effect on the sensitivity of the copepod Eucyclops serrulatus (Crustacea, Copepoda, Cyclopoida) to agricultural pollutants in the hyporheic zone.
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DI LORENZO, Tiziana, DI MARZIO, Walter D., CIFONI, Marco, FIASCA, Barbara, BARATTI, M., SÁENZ, Maria E., and GALASSI, Diana M. P.
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INVERTEBRATES ,CRUSTACEA ,COPEPODA ,CYCLOPOIDA ,POLLUTANTS - Abstract
The sensitivity of freshwater invertebrates to agricultural pollutants is supposed to increase with rising temperature due to global warming. The aim of this study was to measure the effect of temperature on the lethal toxicity of ammonia-N, the herbicide Imazamox and the mixture of the two chemicals, in the adults and the juveniles of a population of the copepod Eucyclops serrulatus. This is a widely distributed species found in surface waters, in transitional habitats between surface water and groundwater, and in genuine groundwater environments. We tested the sensitivity by short-term bioassays (96 h) at 15°C and 18°C, respectively. Our results highlighted the following: (1) increasing temperature affected the sensitivity of the adults to ammonia-N and of the juveniles to the mixture, all of which were more sensitive to its detrimental effects at 18°C; (2) the juvenile stages were more sensitive than the adults to all toxicants, and (3) for all combinations of chemicals and temperatures, the effects were synergistic and approximately one order of magnitude greater than those expected according to a concentration addition model when comparing the LC50 for each chemical in the mixture with the LC50s of chemicals individually assayed. Overall, in a context of global change, ammonia-N and mixtures of agricultural pollutants may affect the survival rate of species that spend a part or the whole life-cycle in the hyporheic habitat, with detrimental effects to biodiversity and ecosystem services provided by the hyporheic biota. [ABSTRACT FROM AUTHOR]
- Published
- 2015
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14. Metabolic rates of a hypogean and an epigean species of copepod in an alluvial aquifer.
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Di Lorenzo, T., Di Marzio, Walter D., Spigoli, D., Baratti, M., Messana, G., Cannicci, S., and Galassi, Diana M. P.
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COPEPODA physiology ,INVERTEBRATE metabolism ,GROUNDWATER ecology ,SPECIES ,AQUIFERS - Abstract
Reduced metabolic rates of groundwater taxa, compared to those of surface water species, have long been inferred to be an adaptive trait where there is a low and discontinuous food supply and unpredictable shifts between hypoxic and normoxic conditions. However, there have been neither measurements of the respiratory rate of groundwater copepods nor a comparison of rates between closely related groundwater and surface water species., We measured the metabolic rates of two species of Cyclopoida: Cyclopidae, the stygobiotic (hypogean) copepod Diacyclops belgicus and the epigean Eucyclops serrulatus, which co-occur in the same alluvial aquifer. We expected the metabolic rate of the hypogean to be lower than that of the epigean species, irrespective of the ontogenetic stage, which would be consistent with the hypothesis that there is a generally lower metabolic rate in groundwater species., The metabolic rate of D. belgicus was significantly lower than that of the epigean E. serrulatus irrespective of the ontogenetic stage. We found an allometric relationship between oxygen consumption and body mass for E. serrulatus, an isometric one for D. belgicus juveniles and a rate of oxygen consumption that apparently does not change systematically with body mass for D. belgicus adults., The low metabolic rate of D. belgicus may be advantageous in oligotrophic groundwater habitats, where large fluctuations in oxygen availability occur. However, these physiological adaptations can put hypogean species at risk of replacement by more metabolically active epigean taxa, whenever the availability of organic matter increases, as happens with organic pollution. Moreover, the low metabolic rate of the hypogean species may entail an inability to cope with toxicants, rendering them more sensitive to pollutants. A higher metabolic rate in juvenile D. belgicus compared to that of adults allows copepodids to mature quickly when food is briefly abundant. [ABSTRACT FROM AUTHOR]
- Published
- 2015
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15. The Cratylia mollis Seed Lectin Induces Membrane Permeability Transition in Isolated Rat Liver Mitochondria and a Cyclosporine A-Insensitive Permeability Transition in Trypanosoma cruzi Mitochondria.
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Fernandes, Mariana P., Leite, Ana C. R., Araújo, Flavia F. B., Saad, Sara T. O., Baratti, M. O., Correia, M. T. S., Coelho, Luana C. B. B., Gadelha, Fernanda R., and Vercesi, Anibal E.
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LECTINS ,MEMBRANE permeability (Biology) ,LABORATORY rats ,LIVER mitochondria ,CYCLOSPORINE ,TRYPANOSOMA cruzi - Abstract
Previous results provided evidence that Cratylia mollis seed lectin (Cramoll 1,4) promotes Trypanosoma cruzi epimastigotes death by necrosis via a mechanism involving plasma membrane permeabilization to Ca
2+ and mitochondrial dysfunction due to matrix Ca2+ overload. In order to investigate the mechanism of Ca2+ -induced mitochondrial impairment, experiments were performed analyzing the effects of this lectin on T. cruzi mitochondrial fraction and in isolated rat liver mitochondria (RLM), as a control. Confocal microscopy of T. cruzi whole cell revealed that Cramoll 1,4 binding to the plasma membrane glycoconjugates is followed by its internalization and binding to the mitochondrion. Electrical membrane potential (∆Ψm ) of T. cruzi mitochondrial fraction suspended in a reaction medium containing 10 μM Ca2+ was significantly decreased by 50 μg/ml Cramoll 1,4 via a mechanism insensitive to cyclosporine A (CsA, membrane permeability transition (MPT) inhibitor), but sensitive to catalase or 125 mM glucose. In RLM suspended in a medium containing 10 μM Ca2+ this lectin, at 50 μg/ml, induced increase in the rate of hydrogen peroxide release, mitochondrial swelling, and ∆Ψm disruption. All these mitochondrial alterations were sensitive to CsA, catalase, and EGTA. These results indicate that Cramoll 1, 4 leads to inner mitochondrial membrane permeabilization through Ca2+ dependent mechanisms in both mitochondria. The sensitivity to CsA in RLM characterizes this lectin as a MPT inducer and the lack of CsA effect identifies a CsA-insensitive MPT in T. cruzi mitochondria. [ABSTRACT FROM AUTHOR]- Published
- 2014
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16. Sensitivity of hypogean and epigean freshwater copepods to agricultural pollutants.
- Author
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Lorenzo, T., Marzio, W., Sáenz, M., Baratti, M., Dedonno, A., Iannucci, A., Cannicci, S., Messana, G., and Galassi, D.
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COPEPODA classification ,HYPOGEAN fishes ,GROUNDWATER ,SENSITIVITY analysis ,CONTROL of agricultural pests & diseases ,WASTE products - Abstract
Widespread pollution from agriculture is one of the major causes of the poor freshwater quality currently observed across Europe. Several studies have addressed the direct impact of agricultural pollutants on freshwater biota by means of laboratory bioassays; however, as far as copepod crustaceans are concerned, the ecotoxicological research is scarce for freshwater species and almost nonexistent for the hypogean ones. In this study, we conducted a comparative analysis of the available literature data on the sensitivity of freshwater copepods to agricultural pollutants. We also assessed the acute and chronic sensitivity of a hypogean and an epigean species, both belonging to the Crustacea Copepoda Cyclopoida Cyclopidae, to two N-fertilizers (urea and ammonium nitrate) and two herbicides (ARIANE II from Dow AgroSciences LLC, and Imazamox), widely used for cereal agriculture in Europe. According to the literature review, freshwater copepods are sensitive to a range of pesticides and N-fertilizers. Ecotoxicological studies on hypogean species of copepods account only one study. There are no standardized protocols available for acute and chronic toxicity tests for freshwater copepods, making comparisons about sensitivity difficult. From our experiments, ionized ammonia proved to be more toxic than the herbicide Imazamox, in both short and chronic bioassays. Urea was the less toxic chemical for both species. The hypogean species was more sensitive than the epigean one to all chemicals. For both species and for all tested chemicals, acute lethality and chronic lethality were induced at concentrations higher than the law limits of good water body quality in Europe, except for ionized ammonia, which provoked the chronic lethality of the hypogean species at a lower concentration. The hazardous concentration (HC) of un-ionized ammonia for 5 % of freshwater copepods, obtained by a species sensitivity distribution, was 92 μg l, significantly lower than the HC computed for traditional test species from freshwater environments. [ABSTRACT FROM AUTHOR]
- Published
- 2014
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17. Molecular and ecological characterization of urban populations of the mallard (Anas platyrhynchos L.) in Italy.
- Author
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BARATTI, M., CORDARO, M., DESSI-FULGHERI, F., VANNINI, M., and FRATINI, S.
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MALLARD , *ANAS , *ANIMAL populations , *BIRDS - Abstract
Urban habitats are increasing worldwide and represent new potential environments for many species of animals, in particular birds. As a result of contact with humans, urban wildlife can experience ecological and ethological modifications, mainly regarding parental and feeding behaviour. One of the most common birds in urban landscapes is the mallard, Anas platyrhynchos L., which is widespread in temperate regions. This study aimed to characterize two Italian populations of mallards living in a metropolitan area, from both an ecological and a genetic point of view. Field surveys were carried out for 27 consecutive months along two rivers, focusing on the biological cycle and reproductive behaviour of the mallard. The ecological results were integrated with molecular data, obtained by the analysis of 10 microsatellites, genotyped in the two urban, in a wild and in a captive-bred population. No significant changes in eco-ethological features of the mallards living in the urban area were observed, whereas the urban populations were genetically differentiated from the wild and the bred ones. [ABSTRACT FROM AUTHOR]
- Published
- 2009
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18. Introgression ofchukargenes into a reintroduced red-legged partridge (Alectoris rufa) population in central Italy.
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Baratti, M., Ammannati, M., Magnelli, C., and Dessì-Fulgheri, F.
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RED-legged partridge , *PARTRIDGES , *SPECIES hybridization , *MICROSATELLITE repeats , *ANIMAL genetics , *BREEDING , *GENETICS - Abstract
Insight regarding the genetic origin and composition of the studied population of the red-legged partridge (Alectoris rufa) is likely to provide general and critical information for the appropriate management and possible conservation of the species. The reintroduced population of red-legged partridges living in Pianosa Island (National Park Tuscany Archipelago) has proven to be sustainable: captive-bred individuals, morphologically assigned to the taxonA. rufa, were released to the island approximately 20 years ago, establishing an apparently well-adapted population. We have investigated this population by means of 10 microsatellite loci in order to shed light on its genetic structure. Considering thatA. rufais known to crossbreed withA. chukar, the Pianosa Island population was compared at the molecular level with a red-legged partridge breeding stock (Aulla, MS) as well as with a population of pureA. chukar. Our results indicate that the red-legged partridge population from Pianosa, morphologically identified asA. rufa, is actually partly introgressed withA. chukar, questioning its genetic purity and the possible use of this population as a starting stock for future reintroductions elsewhere. [ABSTRACT FROM AUTHOR]
- Published
- 2005
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19. Microevolutionary processes in the stygobitic genus Typhlocirolana (Isopoda Flabellifera Cirolanidae) as inferred by partial 12S and 16S rDNA sequences.
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Baratti, M., Khebiza, M. Yacoubi, and Messana, G.
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ISOPODA , *AQUATIC animals , *CIROLANIDAE , *MITOCHONDRIAL DNA , *RECOMBINANT DNA , *UNDERGROUND areas - Abstract
Morocco is one of the regions of the world where many interesting discoveries have recently been made in the field of stygobiology, particularly concerning the cirolanid isopod fauna. One of the most interesting, variable and wide spread of these taxa is the perimediterranean stygobitic genus Typhlocirolana Racovitza, 1905, which has colonized the continental groundwater of Israel, Sicily, Spain, the Balearic Islands, Algeria and Morocco with several species. More populations have recently been found in Morocco, in some southern regions around Agadir, in High Atlas valleys near Marrakech and in the northeastern part of the country close to Oujda. The populations of these zones are not yet described and are the subject of this molecular analysis, together with other already designated species. To investigate the phylogenetic relationships and evolutionary history of the Typhlocirolana populations inhabiting the western Mediterranean basin, we analysed DNA sequences from the mitochondrial 12S and 16S rDNA genes. The molecular data were also used to infer the mechanisms driving the evolution of this thalassoid limnostygobitic cirolanid taxon, considered a good paleogeographic indicator because of its poor dispersion abilities. Vicariance because of paleogeographic events in the western Mediterranean basin played a prime evolutionary role in the Cirolanidae, as already suggested by morphological and ecological studies. Application of a molecular clock provided a time framework of the microevolutionary events occurring in Typhlocirolana populations over the last 40 myr. [ABSTRACT FROM AUTHOR]
- Published
- 2004
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20. Taxonomic revision of Amerus troisi (Berlese, 1883) (Acari, Oribatida, Ameridae) using morphological and biochemical characters.
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AVANZATI, A. M., SALOMONE, N., BARATTI, M., and BERNINI, F.
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TAXONOMY ,NATURAL history - Abstract
This paper redescribes the classical taxon Amerus troisi (Berlese, 1883) on the basis of topotypical material. A new species, Amerus cuspidatus , characterized by short interlamellar setae and a distinct rostral morphology, is also described. In spite of overlapping biogeographical distributions, biochemical analysis indicates that the two Amerus species are clearly differentiated. [ABSTRACT FROM AUTHOR]
- Published
- 2003
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21. Incidence of Stroke in Young Adults in the Reggio Emilia Area, Northern Italy.
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Guidetti, D., Baratti, M., Zucco, R., Greco, G., Terenziani, S., Vescovini, E., Sabadini, R., Bondavalli, M., Masini, L., Salvarani, C., and Solimé, F.
- Published
- 1993
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22. Clinical and computer-based assessment of long-term therapeutic efficacy of propranolol in essential tremor.
- Author
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Calzetti, S., Sasso, E., Baratti, M., and Fava, R.
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- 1990
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23. Frequency/amplitude characteristics of postural tremor of the hands in a population of patients with bilateral essential tremor: implications for the classification and mechanism of essential tremor.
- Author
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Calzetti, S, Baratti, M, Gresty, M, and Findley, L
- Abstract
Amplitude/frequency characteristics of postural hand tremor in 59 patients with bilateral essential tremor of various degrees of severity were assessed using accelerometric recordings and spectral analysis. Intra-subject comparisons of tremor characteristics between the more and less affected hands were used to control for variability of tremor due to age factors and intersubject differences in amplitude and frequency. Statistical analysis distinguished three different patient groups. Some patients had low amplitude (less than 0.1-0.015 cm) tremor in the less affected limb (which tended to be 7 Hz or more in frequency in the young) and a larger amplitude tremor in the more affected hand which was 1 Hz or more lower in frequency. Other subjects had either bilaterally small or bilaterally large amplitude tremors of similar frequencies. These findings imply that there is a downwards step in frequency between symptomatic tremors of small and large amplitude. The amplitude and frequency of the small amplitude tremors were unrelated but frequency declined with age. The frequency of the large amplitude tremor was generally determined by amplitude but a wide range of amplitudes were compatible with similar frequencies. The frequency of large amplitude tremor also declined with age. It was concluded that there are two types of essential tremor, the smaller amplitude tremor probably derives from an exaggeration of some or all of the mechanisms of normal physiological tremor whereas the larger amplitude tremor probably arises from a separate "pathological" central nervous mechanism. It is not known if or how one may transform into, or be replaced by, the other during progression of the disease. [ABSTRACT FROM AUTHOR]
- Published
- 1987
24. Fluctuation of arterial blood pressure during end-of-dose akinesia in Parkinson's disease.
- Author
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Baratti, M and Calzetti, S
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DOPA ,THERAPEUTIC use of enzymes ,DRUG therapy for Parkinson's disease ,AUTONOMIC nervous system ,BLOOD pressure ,PARKINSON'S disease ,POSTURE ,IN vitro studies ,THERAPEUTICS - Abstract
The supine and erect arterial blood pressure and pulse rate were measured in 13 patients with Parkinson's disease, chronically treated with levodopa and peripheral decarboxilase inhibitors presenting with or without On-Off phenomenon (end-of-dose akinesia). In the patients with dose-related response fluctuations the mean systo-diastolic blood pressure, both supine and erect, was found significantly higher during the Off phase as compared to the On phase and to that of the control group (patients with stable clinical response). The mean diurnal "excursion" of systo-diastolic supine and erect blood pressure in patients with On-Off phenomenon was significantly larger than in the control group. Although the clinical implications of such findings remain to be established, the results of this study indicate that arterial blood pressure fluctuations are a definite autonomic component of end-of-dose akinesia. [ABSTRACT FROM AUTHOR]
- Published
- 1984
25. Thoraco-abdominal pain in diabetes: a case complicated by spontaneous fracture
- Author
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Baratti, M., Manicardi, E., Marcello, N., Spacca, C., Davoli, S., Iori, I., Solimè, F., and Portioli, I.
- Published
- 1995
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26. Median and mean frequencies of the surface EMG power spectrum in Duchene muscular dystrophy (DMD)
- Author
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Marcello, N., Baratti, M., Marina, P., and Arrigo, A.
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- 1990
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27. Genetic Assessment of a Captive Population of Eurasian Stone-Curlew ( Burhinus oedicnemus ), Source for the Reinforcement of Wild Populations.
- Author
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Lesobre L, Ostolani A, Abi Hussein H, Giunchi D, Aourir M, Teyar Y, and Baratti M
- Abstract
Although ex situ conservation programs are increasingly valuable support tools for in situ conservation measures, success depends on these captive individuals to be genetically representative of the recipient population. The Eurasian stone-curlew ( Burhinus oedicnemus ) inhabit steppes that represent some of the most degraded and exploited habitats worldwide. A captive breeding program was implemented in Morocco as a pre-emptive effort for the conservation of the North African subspecies Burhinus oedicnemus saharae . However, the genetic origins of the founders of the captive flock were unknown. We applied a multi-locus approach to characterize the genetic ancestry of the current captive breeding flock by comparing it to wild populations from both Western and Eastern Morocco. Mitochondrial DNA and microsatellite markers were employed to assess levels of genetic diversity and relatedness within each sample, as well as potential genetic differentiation between wild and captive samples through PCA and admixture analyses. We recovered similar genetic diversity estimates, low levels of relatedness, and little differentiation between captive and wild samples. These results confirmed the Moroccan origin of the founders. We provide recommendations for the optimization of the Eurasian Stone Curlew conservation breeding program but also for future conservation breeding programs to ensure the effective conservation of genetic diversity and wild populations.
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- 2024
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28. Influence of hyaluronic acid and chitosan molecular weight on the adhesion of circulating tumor cell on multilayer films.
- Author
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Santiago TSA, Delezuk JAM, Bataglioli RA, Baratti MO, Carvalho HF, and Beppu MM
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- Humans, Hyaluronan Receptors metabolism, Surface Properties, Cell Line, Tumor, Polyelectrolytes chemistry, Hyaluronic Acid chemistry, Hyaluronic Acid pharmacology, Chitosan chemistry, Chitosan pharmacology, Molecular Weight, Neoplastic Cells, Circulating drug effects, Neoplastic Cells, Circulating pathology, Cell Adhesion drug effects
- Abstract
CD44 is a cell receptor glycoprotein overexpressed in circulating tumor cells (CTCs), with levels linked to an increase in metastatic capacity of several tumors. Hyaluronic acid (HA), the natural ligand of CD44, has primarily been investigated for tumor cell interaction in self-assembled polyelectrolyte multilayer films, with little attention given to the complementary polycation. In this study, we screened sixteen different polyelectrolyte multilayer assemblies of HA and chitosan (CHI) to identify key assembly parameters and surface properties that control and govern CTCs adhesion. Statistics analysis revealed a major role of CHI molecular weight in the adhesion, followed by its combinatorial response either with HA ionization degree or ionic strength. PM-IRRAS analysis demonstrated a correlation between the orientation of HA carboxyl groups on the film surface and CTCs adhesion, directly impacted by CHI molecular weight. Overall, although CTCs binding onto the surface of multilayer films is primarily driven by HA-CD44 interaction, both chitosan properties and film assembly conditions modulate this interaction. These findings illustrate an alternative to modifying the performance of biomaterials with minimal changes in the composition of multilayer films., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024. Published by Elsevier B.V.)
- Published
- 2024
- Full Text
- View/download PDF
29. Subcellular tissues-specific responses of Mytilus galloprovincialis to fluoroquinolone antibiotics.
- Author
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Giannessi J, De Marchi L, Meucci V, Intorre L, Monni G, Baratti M, and Pretti C
- Abstract
The study aimed to investigate the in vitro effects of the fluoroquinolone antibiotics (FQs) Ciprofloxacin (CIP), Enrofloxacin (ENR) and Danofloxacin (DAN) on the mussel Mytilus galloprovincialis exposed to environmentally relevant concentrations. In vitro exposure was performed on subcellular fractions of the digestive gland and gills through a multi-biomarker approach, which included the assessment of cellular damage, antioxidant and biotransformation enzyme activities, neurotoxicity, and DNA single-strand breaks (DNAssb). Results showed a decrease in protein carbonyl content in the gills when exposed to all concentrations of ENR. A significant overall decrease in the enzymatic activity of antioxidant defences was observed in the digestive gland exposed to the highest concentration of DAN and CIP, with a similar trend observed in the gills. Neurotoxicity was observed in the digestive gland at all tested concentrations of all FQs, but no effects were detected in the gills. DNAssb was evident in both tissues at all higher FQ concentrations., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023 The Authors. Published by Elsevier B.V. All rights reserved.)
- Published
- 2023
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30. A multidisciplinary integrated approach using Pachygrapsus marmoratus to assess the impact of port activities on mediterranean marine protected areas.
- Author
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Caliani I, Cannicci S, Pretti C, Baratti M, Contini G, Vitale M, Casini S, Fossi MC, Iannucci A, and Fratini S
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- Humans, Animals, Ecosystem, Biodiversity, Environmental Pollution, Environmental Biomarkers, Mediterranean Sea, Brachyura
- Abstract
The establishment of marine protected areas is considered the main global strategy to halt the loss of marine biodiversity. Since most of marine areas are open systems, this form of habitat protection cannot prevent their contamination due to human activities performed outside of their borders. Innovative approaches to assess the health status of protected marine habitats are therefore needed. Here we developed a multidisciplinary approach that combines ecological characteristics, bioaccumulation of inorganic and organic pollutants, cell damage (micronuclei frequency, nuclear alterations and LPO) and enzymatic (AChE, CAT, IDH, LDH, GST and CAT) markers focused on an intertidal brachyuran crab, Pachygrapsus marmoratus, to assess the impacts of contaminant exposure on Mediterranean coastal habitats. As study sites we selected two protected areas and two sites within industrial ports of the Ligurian Sea. Our results showed that the selected crab species is an excellent bioindicator. Individuals collected in sites with the highest levels of heavy metal pollution showed the highest signals of stress responses at both cellular and enzymatic levels, coupled with a high incidence of the parasite Sacculina carcini, a signal of impairment of their standard development and reproduction cycle. We could also prove that one of the selected marine protected areas showed the same intensity of impact as its adjacent port site. Our multidisciplinary approach proved to be a valuable tool to assess the environmental quality and health of protected and disturbed Mediterranean coastal environments and to inform efficient management and protection schemes for such habitats., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2022 Elsevier Ltd. All rights reserved.)
- Published
- 2023
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31. Gene expression and biochemical patterns in the digestive gland of the mussel Mytilus galloprovincialis (Lamarck, 1819) exposed to 17α-ethinylestradiol.
- Author
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Pretti C, Aretini P, Lessi F, Freitas R, Barata C, De Marchi L, Cuccaro A, Oliva M, Meucci V, and Baratti M
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- Animals, Humans, Ethinyl Estradiol toxicity, Ethinyl Estradiol metabolism, Gene Expression, Pharmaceutical Preparations metabolism, Mytilus, Water Pollutants, Chemical toxicity
- Abstract
Contaminants of emerging concern (CECs) are a class of chemicals that can spread throughout the environment and may cause adverse biological and ecological effects. While there are many different classes of CECs, one of the most well documented in the aquatic environment are pharmaceutical drugs, such as natural and synthetic estrogens. In particular, the widespread presence of the synthetic estrogen 17 α-Ethinylestradiol (EE2) in water may lead to bioaccumulation in sediment and biota. EE2 is the primary component in contraceptive pills, and is a derivative of the natural hormone estradiol (E2). In this study, the mussel Mytilus galloprovincialis was exposed to EE2 in a semi-static and time-dependent experiment, for a total exposure period of 28 days. Biochemical and transcriptomics analyses were performed on mussel digestive glands after exposure for 14 (T14) and 28 (T28) days. Metabolic and DNA impairments, as well as activation of antioxidant and biotransformation enzymes activation, were detected in T28 exposed mussels. RNA-Seq analysis showed significant differential expression of 160 (T14 compared to controls), 33 (T28 compared to controls) and 79 (T14 compared to T28) genes. Signs of stress after EE2 treatment included up-regulation of gene/proteins involved with immune function, lipid transport, and metabolic and antibacterial properties. This study elucidates the underlying mechanisms of EE2 in a filter feeding organisms to elucidate the effects of this human pharmaceutical on aquatic biota., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2022 Elsevier B.V. All rights reserved.)
- Published
- 2023
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32. Aliens Coming by Ships: Distribution and Origins of the Ocellated Skink Populations in Peninsular Italy.
- Author
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Mori E, Andreone F, Viviano A, Faraone FP, Di Nicola MR, Borri B, Bruni G, Mazza G, Banchi R, Zaccaroni M, Mezzadri S, and Baratti M
- Abstract
The ocellated skink ( Chalcides ocellatus ) is a widespread lizard, naturally distributed between the Maghreb and coastal Pakistan, with few insular populations in the Mediterranean coastal area. Some populations of this species have also been recorded in peninsular Italy, Campania and Southern Tuscany due to accidental introductions via touristic and commercial routes. In this work, we conducted genetic analyses on mitochondrial DNA COXI, cytb and 16S mtDNA genes on a sample of Italian insular and peninsular populations. Differently from what previously suggested, the nucleus in Portici (Southern Italy) may have originated from Sardinia. The intense trade and touristic traffic between Sardinia and Southern Tuscany may have been responsible for the introduction of this lizard also to Central Italy.
- Published
- 2022
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33. Differential gene expression and chemical patterns of an intertidal crab inhabiting a polluted port and an adjacent marine protected area.
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Baratti M, Pinosio S, Gori M, Biricolti S, Chini G, Fratini S, Cannicci S, Caliani I, Oliva M, De Marchi L, and Pretti C
- Subjects
- Animals, Seafood, Transcriptome, Brachyura genetics, Water Pollutants, Chemical metabolism
- Abstract
The acquisition of data to safeguard marine protected areas located close to ports is important in order to develop plans that allow effective protection from pollution as well as sustainable development of the port. The area Secche della Meloria is a Marine Protected Area (MPA-MEL) three miles from Livorno Harbour (LH), which is characterized by a long history of pollution. Here we studied the bioaccumulation and transcriptomic patterns of the marbled crab, Pachygrapsus marmoratus (Fabricius, 1787) (Crustacea; Brachyura, Grapsidae), inhabiting the two selected sites. Results showed that the two crab populations are significantly different in their chemical composition of trace elements and Polyciclic Aromatic Hydrocarbons (PAHs), and gene expression patterns (1280 DEGs). Enrichment analysis indicated that crabs at LH had the highest stress response genes, and they were associated with higher levels of bioaccumulation detected in body tissues. We are confident that the significant differential gene expression profiles observed between crabs, characterized by significant chemical differences, is associated with responses to contaminant exposure., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2022 Elsevier B.V. All rights reserved.)
- Published
- 2022
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34. De novo transcriptome assembly for Pachygrapsus marmoratus, an intertidal brachyuran crab.
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Pinosio S, Fratini S, Cannicci S, Oliva M, Pretti C, and Baratti M
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- Animals, High-Throughput Nucleotide Sequencing, Molecular Sequence Annotation, Brachyura genetics, Genetic Markers, Transcriptome
- Abstract
The marble crab Pachygrapsus marmoratus inhabits the rocky shores of the Mediterranean Sea, Black Sea and East Atlantic Ocean. As other intertidal species, it is considered a model species to study the effects of environmental stressors on natural populations. In this study, we performed Illumina next-generation sequencing on eleven P. marmoratus specimens with the aims to (i) reconstruct their whole transcriptome, (ii) perform a functional annotation of the assembled transcriptome and (iii) develop gene-based markers for future genetic and genomic studies on this as well as other brachyuran species. We obtained a transcriptome assembly constituted by 56,308 unigenes and covering about 60.3 Mbp. We detected 43,915 Simple Sequence Repeats (SSRs) and 192,631 high-quality Single Nucleotide Polymorphisms (SNPs). Due to the scarcity of genomic resources in decapods, and crabs in particular, our results constitute a valuable resource for future studies on brachyuran crabs. The present data also represent a sound resource to investigate biological responses to pollution in intertidal and marine populations., (Copyright © 2020 Elsevier B.V. All rights reserved.)
- Published
- 2021
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35. Relationship between wild-caught organisms for bioassays and sampling areas: Widespread serpulid early-development comparison between two distinct populations after trace element exposure.
- Author
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Sanches MV, Oliva M, Pires A, De Marchi L, Cuccaro A, Freitas R, Baratti M, and Pretti C
- Subjects
- Animals, Arsenic analysis, Cadmium analysis, Ecotoxicology, Hazardous Substances analysis, Italy, Larva drug effects, Mercury analysis, Polychaeta drug effects, Portugal, Trace Elements analysis, Biological Assay methods, Environmental Monitoring methods, Trace Elements metabolism
- Abstract
Previous studies suggested the suitability of the brackish-water serpulid (Ficopomatus enigmaticus) to be used as model organism for both marine and brackish waters monitoring, by the performance of sperm toxicity and larval development assays. The present study focused on larval development after the exposure of two F. enigmaticus populations (Mediterranean and Atlantic, collected in Italy and Portugal, respectively) to different trace elements (copper, mercury, arsenic, cadmium, and lead) at different concentrations. Results of larval development assays were presented as the percentage of abnormal developed larvae. The effect, measured in terms of EC
50 for all toxicants tested, showed that mercury was the most toxic metal for larvae of both populations. Specifically, the tested trace elements may be racked in the following order from the highest to the lowest toxicity: Mediterranean: mercury > copper > lead > arsenic > cadmium; Atlantic: mercury > copper > cadmium > arsenic > lead. Responses of both populations were similar for arsenic. Lead was the least toxic element for the Atlantic population, while cadmium showed the least toxicity for the Mediterranean population. These preliminary results demonstrate the sensitivity and suitability of the organisms to be used in ecotoxicological bioassays and monitoring protocols. Moreover, chemical analyses on soft tissues and calcareous tubes of collected test organisms and their sampling site water were performed, to identify and quantify the concentration of the tested trace elements in these 3 matrices. Populations exhibited less sensitivity to a certain element together with a relevantly higher concentration of the same element in soft tissues. This may indicate a certain resistance to particular contaminant toxic effects by organisms that tend to accumulate the same toxicant. This highlights the potential correlation between wild-caught test organisms' responses and a deep characterization of the sampling site to identify putative abnormalities or differences in model organism response during bioassay execution., (Copyright © 2020 Elsevier Inc. All rights reserved.)- Published
- 2020
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36. Engineering the surface of prostate tumor cells and hyaluronan/chitosan multilayer films to modulate cell-substrate adhesion properties.
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Rocha Neto JBM, Gomes Neto RJ, Bataglioli RA, Taketa TB, Pimentel SB, Baratti MO, Costa CAR, Carvalho HF, and Beppu MM
- Abstract
This paper explores different film assembly conditions of the polyelectrolyte solutions of hyaluronan (HA) and chitosan (CHI), as well as both substrate and cell surface modifications, to investigate PC3 cells adhesion properties. UV-Visible, AFM-IR and Zeta potential techniques indicate that the solution ionic strength is a relevant parameter to modulate the free carboxylic groups of HA on the film surface. In addition, capacitive coupling measurements suggest that assembly conditions that favor surface charge mobility inhibit cell adhesion due to polymer rearrangements that support non-specific electrostatic interactions of positively charged CHI residues and the negatively charged cell moieties, rather than specific CD44-hyaluronan interactions. Moreover, the PC3 cells treatment with hyaluronidase and anti-CD44 antibody also highlighted the importance of CD44 binding site availability on the tumor cell adhesion properties. Finally, the conjugation of wheat germ agglutinin on the film surface proved to be a suitable strategy to boost the PC3 cell adhesion properties. Our results reveal the remarkable capacity of HA/CHI films to modulate cell-substrate properties, which pave the road for the development of surfaces suitable for several applications based on biosensing., (Copyright © 2020. Published by Elsevier B.V.)
- Published
- 2020
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37. [Working conditions among argentinean psychiatrists].
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Cesoni M, Peskin VA, Berrío Cuartas DM, Tenconi JC, Furman M, Pereyra W, Furman M, Ibañez B, Baratti M, Lagos D, García N, Mendieta M, and Sínchez F
- Subjects
- Argentina, Humans, Workload, Psychiatry
- Published
- 2018
38. Impact on Prehospital Delay of a Stroke Preparedness Campaign: A SW-RCT (Stepped-Wedge Cluster Randomized Controlled Trial).
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Denti L, Caminiti C, Scoditti U, Zini A, Malferrari G, Zedde ML, Guidetti D, Baratti M, Vaghi L, Montanari E, Marcomini B, Riva S, Iezzi E, Castellini P, Olivato S, Barbi F, Perticaroli E, Monaco D, Iafelice I, Bigliardi G, Vandelli L, Guareschi A, Artoni A, Zanferrari C, and Schulz PJ
- Subjects
- Adult, Aged, Aged, 80 and over, Cross-Sectional Studies, Endpoint Determination, Female, Humans, Ischemic Attack, Transient therapy, Italy, Male, Middle Aged, Models, Statistical, Prospective Studies, Risk Factors, Thrombolytic Therapy statistics & numerical data, Time-to-Treatment, Treatment Outcome, Young Adult, Health Education statistics & numerical data, Stroke therapy
- Abstract
Background and Purpose: Public campaigns to increase stroke preparedness have been tested in different contexts, showing contradictory results. We evaluated the effectiveness of a stroke campaign, designed specifically for the Italian population in reducing prehospital delay., Methods: According to an SW-RCT (Stepped-Wedge Cluster Randomized Controlled Trial) design, the campaign was launched in 4 provinces in the northern part of the region Emilia Romagna at 3-month intervals in randomized sequence. The units of analysis were the patients admitted to hospital, with stroke and transient ischemic attack, over a time period of 15 months, beginning 3 months before the intervention was launched in the first province to allow for baseline data collection. The proportion of early arrivals (within 2 hours of symptom onset) was the primary outcome. Thrombolysis rate and some behavioral end points were the secondary outcomes. Data were analyzed using a fixed-effect model, adjusting for cluster and time trends., Results: We enrolled 1622 patients, 912 exposed and 710 nonexposed to the campaign. The proportion of early access was nonsignificantly lower in exposed patients (354 [38.8%] versus 315 [44.4%]; adjusted odds ratio, 0.81; 95% confidence interval, 0.60-1.08; P =0.15). As for secondary end points, an increase was found for stroke recognition, which approximated but did not reach statistical significance ( P =0.07)., Conclusions: Our campaign was not effective in reducing prehospital delay. Even if some limitations of the intervention, mainly in terms of duration, are taken into account, our study demonstrates that new communication strategies should be tested before large-scale implementation., Clinical Trial Registration: URL: http://www.clinicaltrials.gov. Unique identifier: NCT01881152., (© 2017 American Heart Association, Inc.)
- Published
- 2017
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39. Development of an education campaign to reduce delays in pre-hospital response to stroke.
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Caminiti C, Schulz P, Marcomini B, Iezzi E, Riva S, Scoditti U, Zini A, Malferrari G, Zedde ML, Guidetti D, Montanari E, Baratti M, and Denti L
- Subjects
- Adult, Aged, Female, Health Knowledge, Attitudes, Practice, Health Promotion organization & administration, Humans, Male, Middle Aged, Needs Assessment, Quality Improvement, Severity of Illness Index, Stroke diagnosis, Time Factors, Young Adult, Emergency Medical Services, Health Education organization & administration, Stroke therapy
- Abstract
Background: Systematic reviews call for well-designed trials with clearly described intervention components to support the effectiveness of educational campaigns to reduce patient delay in stroke presentation. We herein describe the systematic development process of a campaign aimed to increase stroke awareness and preparedness., Methods: Campaign development followed Intervention Mapping (IM), a theory- and evidence-based tool, and was articulated in two phases: needs assessment and intervention development. In phase 1, two cross-sectional surveys were performed, one aiming to measure stroke awareness in the target population and the other to analyze the behavioral determinants of prehospital delay. In phase 2, a matrix of proximal program objectives was developed, theory-based intervention methods and practical strategies were selected and program components and materials produced., Results: In phase 1, the survey on 202 citizens highlighted underestimation of symptom severity, as in only 44% of stroke situations respondents would choose to call the emergency service (EMS). In the survey on 393 consecutive patients, 55% presented over 2 hours after symptom onset; major determinants were deciding to call the general practitioner first and the reaction of the first person the patient called. In phase 2, adult individuals were identified as the target of the intervention, both as potential "patients" and witnesses of stroke. The low educational level found in the patient survey called for a narrative approach in cartoon form. The family setting was chosen for the message because 42% of patients who presented within 2 hours had been advised by a family member to call EMS. To act on people's tendency to view stroke as an untreatable disease, it was decided to avoid fear-arousal appeals and use a positive message providing instructions and hope. Focus groups were used to test educational products and identify the most suitable sites for message dissemination., Conclusions: The IM approach allowed to develop a stroke campaign integrating theories, scientific evidence and information collected from the target population, and enabled to provide clear explanations for the reasons behind key decisions during the intervention development process., Trial Registration: NCT01881152 . Retrospectively registered June 7 2013.
- Published
- 2017
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40. Effect of ammonia on the gene expression levels of the freshwater cyclopoid Eucyclops serrulatus.
- Author
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Di Lorenzo T, Melita M, Cifoni M, Galassi DMP, Iannucci A, Biricolti S, Gori M, and Baratti M
- Subjects
- Animals, Catalase genetics, Copepoda genetics, Environmental Monitoring, HSP40 Heat-Shock Proteins genetics, HSP90 Heat-Shock Proteins genetics, Italy, Ammonia toxicity, Copepoda drug effects, Fresh Water chemistry, Gene Expression drug effects, Water Pollutants, Chemical toxicity
- Abstract
Ammonia pollution is a critical issue in Europe, since more than half of the European freshwater bodies actually fail to meet EU quality standards for this chemical. In this study, the response of stress-related genes to a sublethal ammonia concentration has been investigated in the adults of the freshwater cyclopoid Eucyclops serrulatus. Two short-term exposures (12h and 24h) at 12mg/L NH
4 + have been tested. Results indicate that 12mg/L NH4 + causes a significant increase in the expression of some proteins, namely CAT, HSP90 and HSP40, suggesting an activation of the protecting antioxidant system after both 12h and 24h., (Copyright © 2017. Published by Elsevier B.V.)- Published
- 2017
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41. Multimodal and non-linear optical microscopy applications in reproductive biology.
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Adur J, Barbosa GO, Pelegati VB, Baratti MO, Cesar CL, Casco VH, and Carvalho HF
- Subjects
- Animals, Histocytochemistry, Humans, Image Processing, Computer-Assisted, Mice, Biomedical Research, Microscopy, Confocal, Microscopy, Fluorescence, Multiphoton
- Abstract
A plethora of optical techniques is currently available to obtain non-destructive, contactless, real time information with subcellular spatial resolution to observe cell processes. Each technique has its own unique features for imaging and for obtaining certain biological information. However none of the available techniques can be of universal use. For a comprehensive investigation of biological specimens and events, one needs to use a combination of bioimaging methods, often at the same time. Some modern confocal/multiphoton microscopes provide simultaneous fluorescence, fluorescence lifetime imaging, and four-dimensional imaging. Some of them can also easily be adapted for harmonic generation imaging, and to permit cell manipulation technique. In this work we present a multimodal optical workstation that extends a commercially available confocal microscope to include nonlinear/multiphoton microscopy and optical manipulation/stimulation tools. The nonlinear microscopy capabilities were added to the commercial confocal microscope by exploiting all the flexibility offered by the manufacturer. The various capabilities of this workstation as applied directly to reproductive biology are discussed. Microsc. Res. Tech. 79:567-582, 2016. © 2016 Wiley Periodicals, Inc., (© 2016 Wiley Periodicals, Inc.)
- Published
- 2016
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42. Genomic resources notes accepted 1 October 2014-30 November 2014.
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Baratti M, Cattonaro F, Di Lorenzo T, Galassi DM, Iannilli V, Iannucci A, Jensen J, Larsen PF, Nielsen RO, Pertoldi C, Postolache D, Pujolar JM, Randi E, Ruiz-Gonzalez A, Thirstrup JP, Vendramin GG, and Zalewski A
- Subjects
- Animals, Computational Biology, Genomics, Amphipoda genetics, Copepoda genetics, Mink genetics, Polymorphism, Single Nucleotide, Transcriptome
- Abstract
This article documents the public availability of (i) RAD sequencing data and validated SNPs for the American mink Neovison vison and (ii) Transcriptome resources for two nonmodel freshwater crustacean species, the copepod Eucyclops serrulatus and the amphipod Echinogammarus veneris., (© 2015 John Wiley & Sons Ltd.)
- Published
- 2015
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43. The progression of non-motor symptoms in Parkinson's disease and their contribution to motor disability and quality of life.
- Author
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Antonini A, Barone P, Marconi R, Morgante L, Zappulla S, Pontieri FE, Ramat S, Ceravolo MG, Meco G, Cicarelli G, Pederzoli M, Manfredi M, Ceravolo R, Mucchiut M, Volpe G, Abbruzzese G, Bottacchi E, Bartolomei L, Ciacci G, Cannas A, Randisi MG, Petrone A, Baratti M, Toni V, Cossu G, Del Dotto P, Bentivoglio AR, Abrignani M, Scala R, Pennisi F, Quatrale R, Gaglio RM, Nicoletti A, Perini M, Avarello T, Pisani A, Scaglioni A, Martinelli PE, Iemolo F, Ferigo L, Simone P, Soliveri P, Troianiello B, Consoli D, Mauro A, Lopiano L, Nastasi G, and Colosimo C
- Subjects
- Aged, Aged, 80 and over, Cohort Studies, Cross-Sectional Studies, Female, Follow-Up Studies, Humans, Male, Middle Aged, Motor Skills Disorders epidemiology, Motor Skills Disorders psychology, Parkinson Disease epidemiology, Parkinson Disease psychology, Prospective Studies, Disability Evaluation, Disease Progression, Motor Skills Disorders diagnosis, Parkinson Disease diagnosis, Quality of Life psychology
- Abstract
Non-motor symptoms are gaining relevance in Parkinson's disease (PD) management but little is known about their progression and contribution to deterioration of quality of life. We followed prospectively 707 PD patients (62 % males) for 2 years. We assessed non-motor symptoms referred to 12 different domains, each including 1-10 specific symptoms, as well as motor state (UPDRS), general cognition, and life quality. Hoehn & Yahr (H&Y) stage was used to categorize patient status (I-II mild; III moderate; IV-V severe). We found that individual non-motor symptoms had variable evolution over the 2-year follow-up with sleep, gastrointestinal, attention/memory and skin disturbances (hyperhidrosis and seborrhea) becoming more prevalent and psychiatric, cardiovascular, and respiratory disorders becoming less prevalent. Development of symptoms in the cardiovascular, apathy, urinary, psychiatric, and fatigue domains was associated with significant life-quality worsening (p < 0.0045, alpha with Bonferroni correction). During the observation period, 123 patients (17 %) worsened clinically while 584 were rated as stable. There was a fivefold greater increase in UPDRS motor score in worse compared with stable patients over 24 months (p < 0.0001 vs. baseline both in stable and worse group). The total number of reported non-motor symptoms increased over 24 months in patients with motor worsening compared to stable ones (p < 0.001). Thirty-nine patients died (3.4 % of patients evaluable at baseline) with mean age at death of 74 years. Deceased patients were older, had significantly higher H&Y stage and motor score, and reported a greater number of non-motor symptoms at baseline. In conclusion, overall non-motor symptom progression does not follow motor deterioration, is symptom-specific, and only development of specific domains negatively impacts quality of life. These results have consequences for drug studies targeting non-motor features.
- Published
- 2012
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44. Effects of egg testosterone on female mate choice and male sexual behavior in the pheasant.
- Author
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Bonisoli-Alquati A, Matteo A, Ambrosini R, Rubolini D, Romano M, Caprioli M, Dessì-Fulgheri F, Baratti M, and Saino N
- Subjects
- Animals, Female, Hierarchy, Social, Male, Statistics, Nonparametric, Copulation physiology, Galliformes physiology, Mating Preference, Animal physiology, Ovum chemistry, Sexual Behavior, Animal physiology, Testosterone analysis
- Abstract
Evidence is accumulating that sex steroids in the eggs, besides affecting progeny phenotype and behavior in the short term, also have enduring effects until adulthood, when they may translate into differences in reproductive strategies and success. Maternal steroids transfer may therefore affect both agonistic behavior and mate choice decisions, either through the promotion of body size and condition or through a priming effect on the neuroendocrine system. However, owing to the prevalence of a short-term perspective, relevance of maternal transfer of sex steroids to sexual selection processes has been seldom studied. Here we investigate the effects of an experimental increase in egg testosterone on male dominance and copulation success in the ring-necked pheasant, Phasianus colchicus, a polygynous galliform with multiple male ornamental traits, in captivity. We found that females from testosterone (T) injected eggs copulated less than control females. Males from T-injected eggs obtained more copulations than control males, specifically with control females. The effect of male 'ordinary' and secondary sexual traits on either dominance or copulation frequency did not depend on early exposure to T, nor did T treatment affect male dominance. Present results demonstrate that variation in the early hormonal environment set up by mothers affects sexual behavior of the offspring, which might translate into fitness differences., (Copyright © 2010 Elsevier Inc. All rights reserved.)
- Published
- 2011
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45. Are large wattles related to particular MHC genotypes in the male pheasant?
- Author
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Baratti M, Ammannati M, Magnelli C, Massolo A, and Dessì-Fulgheri F
- Subjects
- Amino Acid Sequence, Animals, Female, Galliformes classification, Genotype, Molecular Sequence Data, Phylogeny, Sex Factors, Comb and Wattles, Galliformes genetics, Genes, MHC Class II
- Abstract
In sexually dimorphic species, partners can assess heritable mate quality by analyzing costly sexual ornaments in terms of their dimension and possibly of their symmetry. In vertebrates an important aspect of genetic quality is the efficiency of the immune system, and in particular the Major Histocompatibility Complex (MHC). If ornaments are honest advertisements of pathogen resistance (good genes), in line with the Hamilton-Zuk hypothesis, a correlation between ornament expression and MHC profiles should exist. We tested this hypothesis in the common pheasant Phasianus colchicus by comparing male ornament characteristics (wattle and spur size, and wattle fluctuating asymmetry) with a portion of exon 2 of the class IIB MHC genes containing 19 putative antigen recognition sites. A total of 8 new alleles was observed in the MHCPhco exon IIB. We found significant differences in the occurrence of MHC genotypes between males carrying large or small wattles. Homozygous genotypes predicted large wattle males more correctly than small wattle males. The association between the dimension of the spur and the occurrence of MHC genotypes was marginally significant, however, we did not find any significant association between MHC genotypes and asymmetry. Our results suggest that female pheasants may use the ornament size as a cue to evaluate male quality and thus choose males carrying particular MHC profiles.
- Published
- 2010
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46. Preliminary evaluation of the DDS-PC inventory: a new tool to assess impulsive-compulsive behaviours associated to dopamine replacement therapy in Parkinson's disease.
- Author
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Cabrini S, Baratti M, Bonfà F, Cabri G, Uber E, and Avanzi M
- Subjects
- Aged, Antiparkinson Agents therapeutic use, Caregivers, Compulsive Personality Disorder chemically induced, Compulsive Personality Disorder psychology, Disruptive, Impulse Control, and Conduct Disorders diagnosis, Dopamine Agents therapeutic use, Female, Gambling etiology, Gambling psychology, Humans, Levodopa adverse effects, Levodopa therapeutic use, Longitudinal Studies, Male, Middle Aged, Parkinson Disease drug therapy, Personality Tests, Psychometrics, ROC Curve, Reward, Surveys and Questionnaires, Antiparkinson Agents adverse effects, Disruptive, Impulse Control, and Conduct Disorders chemically induced, Disruptive, Impulse Control, and Conduct Disorders psychology, Dopamine physiology, Dopamine Agents adverse effects, Neuropsychological Tests, Parkinson Disease complications
- Abstract
Dopaminergic medications could increase the occurrence of a set of dysregulated behaviours in Parkinson's disease (PD), including reward-seeking behaviours (pathological gambling, hypersexuality, compulsive shopping, binge eating, reckless driving), punding and compulsive medication use. We report a preliminary evaluation of a questionnaire to assess the presence of these impulsive-compulsive behaviours associated to dopamine replacement therapy in PD. We screened 38 patients and their caregivers, comparing dopamine dysregulation syndrome (DDS) patients and non-DDS patients. The questionnaire was well accepted and demonstrated a preliminary good discriminant validity (p = 0.000). In addition, clinically relevant dysregulated condition is associated with a younger age (p = 0.006), younger age at disease onset (p = 0.001), levodopa-equivalent daily dose (p = 0.029), UPDRS III (p = 0.021), increased global psychopathology (interpersonal sensitivity and psychoticism), and differences in our inventory (p = 0.000). These preliminary results suggest that the DDS-PC inventory could help to identify patients experiencing impulsive-compulsive behaviours associated to DDS.
- Published
- 2009
- Full Text
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47. Characterization of polymorphic microsatellite loci in the marine isopod Sphaeroma terebrans (Crustacea, Isopoda).
- Author
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Baratti M, Filippelli M, Messana G, Papetti C, Patarnello T, and Zane L
- Abstract
Nine polymorphic microsatellites were characterized in the marine isopod Sphaeroma terebrans (Isopoda, Sphaeromatidae) for phylogeographic and parentage analyses. The number of alleles ranged from 3 to 10. Observed heterozygosity ranged from 0.428 to 0.950, while expected heterozygosity ranged from 0.532 to 0.889. Heterozygote deficiency was detected for one locus, possibly the result of null alleles., (© 2009 Blackwell Publishing Ltd.)
- Published
- 2009
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48. The thrill of reckless driving in patients with Parkinson's disease: an additional behavioural phenomenon in dopamine dysregulation syndrome?
- Author
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Avanzi M, Baratti M, Cabrini S, Uber E, Brighetti G, and Bonfà F
- Subjects
- Aged, Dopamine Agents administration & dosage, Dopamine Agents adverse effects, Humans, Levodopa administration & dosage, Levodopa adverse effects, Male, Parkinson Disease drug therapy, Psychomotor Performance drug effects, Automobile Driving, Parkinson Disease physiopathology, Parkinson Disease psychology, Psychomotor Performance physiology
- Abstract
We report two male patients with Parkinson's disease who developed compulsive risk-seeking driving behaviour as a result of self-administering high doses of L-dopa despite an adequate therapeutic response at lower doses. When L-dopa reduction was feasible, it resulted in cessation of unsafe driving. We believe that this impairment in driving performance, due to deliberate overuse of dopaminergic medication, should be included as a new behavioural phenomenon in dopamine dysregulation syndrome.
- Published
- 2008
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49. Prevalence of pathological gambling in patients with Parkinson's disease.
- Author
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Avanzi M, Baratti M, Cabrini S, Uber E, Brighetti G, and Bonfà F
- Subjects
- Aged, Case-Control Studies, Chi-Square Distribution, Female, Humans, Italy epidemiology, Male, Middle Aged, Prevalence, Retrospective Studies, Gambling, Parkinson Disease epidemiology, Parkinson Disease psychology
- Abstract
Pathological gambling (PG) is a psychiatric disorder characterized by loss of control of gambling, which has repercussions on family, personal, and professional life. Several recent studies have reported the relationship between PG and the treatment of Parkinson's disease (PD), but no prevalence study has yet been conducted to investigate this correlation. The purpose of this study was to evaluate the prevalence of PG in Italian patients with PD on dopamine replacement therapy. The prevalence of PG in a PD sample (n = 98) and in an age- and sex-matched control group (n = 392) was obtained. The prevalence of PG results significantly higher (P = 0.00001) in PD patients than in control subjects (6.1% vs. 0.25%). Our results emphasize that PG in patients with idiopathic PD on dopamine replacement therapy is an emergent comorbidity, but probably at present the condition is not properly diagnosed because it is mostly unknown., (Copyright 2006 Movement Disorder Society.)
- Published
- 2006
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50. Sympathetic skin response in patients with Duchenne muscular dystrophy.
- Author
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Marcello N, Baratti M, Ortaggio F, Vescovini E, Zanoni P, Tugnoli V, and De Grandis D
- Subjects
- Adolescent, Adult, Afferent Pathways physiopathology, Age Factors, Child, Diaphragm physiopathology, Dystrophin analysis, Efferent Pathways physiopathology, Electric Stimulation, Electrocardiography, Electromyography, Evoked Potentials physiology, Hand innervation, Heart Rate, Humans, Male, Reaction Time, Reflex, Startle, Respiration, Muscular Dystrophies physiopathology, Skin innervation, Sympathetic Nervous System physiopathology
- Abstract
To verify an eventual disfunction of the palmar sympathetic skin activity in Duchenne Muscular Dystrophy, we studied the sympathetic skin response (SSR) with endogenous, Deep Breathing (DB-SSR), exogenous Startle (SE-SSR) and Electric type stimuli (EE-SSR) in a group of patients and a control group. At the same time as the SSR, the heart rate (HR) and the basic R-R interval variation (RRIV) as well as the EMG diaphragmatic activity were checked. In this way, significant differences in the latency (p = 0.02) and amplitude (p = 0.009) values of the EE-SSR and in the amplitude values of the SE-SSR (p = 0.001) and of the DB-SSR (p = 0.02) were noted in the DMD group compared to the control group. In the group of patients the rise in latency of the EE-SSR correlates with the age (p = 0.0001) and with the reduction of its amplitude (p = 0.03). This last parameter correlates with the stage of the illness (p = 0.02). In the control group the mean amplitude of the EE-SSR is approximately 30% greater than that of startle and 50% of deep breathing. Although with amplitudes homogeneously reduced, these ratios are also conserved in the DMD group. Moreover the HR is greater (p = 0.0001) whilst the RRIV is reduced (p = 0.02) in the group of the patients. However these parameters do not correlated either to the cardiac involvement or to the stage of the illness. The presence of the SSR for all the modalities of stimulation indicates the substantial integrity of the afferent and the efferent paths of the ANS. The alterations in latency and amplitude of the SSR in the patients could be the consequence of a lack of dystrophin at the level of the sudoriparous myopithelium in analogy to what has been demonstrated in the mdx mouse.
- Published
- 1995
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