86,860 research outputs found
Clinical outcomes after treatment with direct-acting antivirals: not all concern hepatocellular carcinoma risk.
No full textN/
Bhabha scattering and a special pencil of K3 surfaces
No full textWe study a pencil of K3 surfaces that appeared in the 2-loop diagrams in Bhabha scattering. By analysing in detail the Picard lattice of the general and special members of the pencil, we identify the pencil with the celebrated Apéry-Fermi pencil, that was related to Apéry's proof of the irrationality of ζ(3) through the work of F. Beukers, C. Peters and J. Stienstra. The same pencil appears miraculously in different and seemingly unrelated physical contexts
Notulae: 2145–2150. Alchemilla acutata, A. croatica, A. lucida, A. reniformis, A. straminea, A. undulata (Rosaceae). In: Bartolucci F., Nepi C., Domina G., Peruzzi L. (eds.), Notulae alla checklist della flora vascolare italiana: 20
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An update of the distribution of the genus Alchemilla L. (Rosaceae) in Tuscany (Central Italy)
No full textBased on new data derived from recent herbarium collections and observations, the distribution of the genus Alchemilla in Tuscany is updated. In particular, we report here 3 novelties at regional level, 5 at provincial level and 10 new localities for species already recorded at provincial level. Accordingly, the total number of species currently confirmed for Tuscany is now 38
Role and clinical meaning of non-invasive tests in the evaluation of portal hypertension in patients with advanced chronic liver disease
No full textDistribution, ecology and conservation of Aeshna caerulea (Ström, 1793) and Aeshna subarctica elisabethae Djakonov, 1922 (Insecta: Odonata) at the southernmost limits of their range
No full textWe provide an overview of the distribution, habitat preference, phenology, and conservation of Aeshna caerulea (Ström, 1793) and Aeshna subarctica elisabethae Djakonov, 1922 in Italy. Both species are found exclusively in the Central Eastern Alps. By 2021, A. caerulea has been reported for 31 sites, whereas A. s. elisabethae for 15. The new southernmost global range limit for A. caerulea was found in the Adamello massif and the new southernmost Western Palearctic limit for A. s. elisabethae in the Tesino plateau (Trentino-Alto Adige). Aeshna caerulea reproduces at high-altitude ponds or small lakes, inundated fens or fen meadows, and occasionally in the depressions within raised bogs. Aeshna s. elisabethae is found at lower altitudes, only at raised bogs and, to a lesser extent, in acidic transitional mires rich in Sphagnum mosses. Forty-six per cent of the reproduction sites of A. caerulea and 93% of those of A. s. elisabethae are included within a national/local protected area or the Natura 2000 network
HIGH FREE AND GLYCOCONJUGATED AND LOW TAUROCONJUGATED BA LEVELS IN SERUM ARE THE MIRROR OF INTESTINAL EVENTS AND HEPATIC UPTAKE
No full textFasting serum bile acid (BA) composition in healthy people is still
unknown: only recently an adequate technology to measure in the same sample both free and conjugated BAs has been developed. Aim of this study was to evaluate serum BA levels and composition in healthy subjects. Methods: 30 healthy young subjects (15 females and 15 males) [no gallstone disease, no abnormal liver tests, no liver steatosis on ultrasonography; mean age 26.5±0.8 (range 22−40 yrs)] were selected. A blood sample was taken in the morning after a standardized overnight fasting period (8 hours). Serum samples, diluted 1:6 (v/v) with NaOH 0.1N and heated to 64oC for 30 minute, were loaded on conditioned cartridge and
washed with 10 ml of water. The cartridge was eluted with 5 ml of methyl alcohol; the eluate was dried under vacuum and then reconstituted with the mobile phase (70:30 v/v ammonium acetate buffer/acetonitrile) and injected into HPLC-ESI-MS instrument. The recovery of each BA ranged from 80% to 96% and accordingly corrected.
Results: Total serum BA levels were 3.65±0.40 mmol/L (male:4.2±0.7; female:3.1±0.4 mmol/L, p = ns); total cholate levels were 0.65±0.11 mmol/L (M:0.79±0.18; F: 0.52±0.13 mmol/L, p = ns); total chenodeoxycholate levels were 1.7±0.2 mmol/L (M: 2.0±0.32; F: 1.4±0.24 mmol/L, p = ns); total deoxycholate levels were 0.8±0.13 mmol/L (M: 0.9±0.24; F: 0.72±0.10 mmol/L, p = ns); total lithocholate levels were below the detectability threshold; total ursodeoxycholate levels were 0.51±0.03 mmol/L (M: 0.55±0.051; F: 0.50±0.05 mmol/L, p = ns). Free BA levels were 1.9±0.3 mmol/L (male: 2.4±0.5; female: 1.4±0.19 mmol/L, p = ns); total glycoconjugate levels were 1.5±0.14 mmol/L (M: 1.7±0.18; F: 1.32±0.22 mmol/L, p = ns); total tauroconjugate levels were 0.29±0.05 mmol/L (M: 0.17±0.03; F: 0.41±0.09 mmol/L,
p = 0.02). Conclusions: Free and glycoconjugated BAs undergo passive diffusion and facilitated transport along the entire small intestine, accounting for their higher fractional serum level. Tauroconjugated BAs absorption occurs only in the distal ileum through an active transport system, and their hepatic uptake is extremely efficient, accounting for their lower spill into the systemic circulation; their higher levels in females suggest a pivotal role of oestrogens in the modulation of the transport systems involved in
Bas enterohepatic circulation
Terapia dell'encefalopatia epatica
No full textPer encefalopatia epatica si intende la comparsa di alterazioni neuropsichiche conseguenti all'insufficienza epatica acuta e cronic, allo shunt porto-sistemico, o ad entrambe. vengono identificati tre tipi di encefalopatia (A,B e C) rispettivamente associati all'encefalopatia epatica acuta, al by-pass porto-sistemico o alla cirrosi epatica
The Late Neolithic settlement of Latsch, Vinschgau, northern Italy : subsistence of a settlement contemporary with the Alpine Iceman, and located in his valley of origin
No full textArchaeobotanical and archaeozoological analyses conducted on Late Neolithic settlement layers at Latsch provide the first data on the subsistence strategy, diet and environmental conditions in the valley of origin of the Alpine Iceman. The results prove that during the Late Neolithic, the valley was occupied by an agro-pastoral society based on the cultivation of Hordeum vulgare (hulled barley), Triticum monococcum (einkorn), T. dicoccum (emmer) and Pisum sativum (pea), as well as on the rearing of Ovis vel Capra, Ovis orientalis f. aries (sheep), Capra aegagrus f. hircus (goat) and Bos primigenius f. taurus (cattle). The settlement was located on a river terrace of the valley floor close to a river and was surrounded by mixed pine and oak woods beside alluvial woodland
Comparison of prognostic models in predicting survival of patients with advanced hepatocellular carcinoma undergoing sorafenib treatment: a multicenter cohort study
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