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Staphylococcus aureus reservoirs and transmission routes in a Portuguese Neonat...
Conceição, T; Sousa, M; Miragaia, M; Paulino, E; Barroso, R; Brito, MJ; Sardinha, T; Sancho, L; Carreiro, H; Sousa, JG; Machado, MC; Lencastre, HAlthough Staphylococcus aureus is a major cause of outbreaks in neonatal intensive care units (NICUs), there are no studies on the epidemiology of S. aureus isolates responsible for infection in Portuguese NICUs. Between July 2005 and December 2007, a total of 54 methicillin susceptible S. aureus (MSSA) isolates were recovered from 16 infected infants, parents, health care workers (HCWs), and the environment in...
Multinational telecommunications operators : impact of market factors and forei...
Oliveira, Maria da Conceição T. F. Monteiro H.Mestrado em Finanças ; Firms are exposed to foreign exchange risk when the results of their projects depend on future exchange rates and those exchange rates can not be fully anticipated. Through the last 50 years, exchange risk management has received increasing attention in both corporate practice and literature. Firms are also exposed to other market factors, domestic and internationally, with a major impac...
High prevalence of ST121 in community-associated methicillin-susceptible Staphy...
Conceição, T; Aires-de-Sousa, M; Pona, N; Brito, MJ; Barradas, C; Coelho, R; Sardinha, T; Sancho, L; Sousa, JG; Machado, MC; Lencastre, HIn order to evaluate the incidence of community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) in Portugal, we analyzed a collection of 38 S. aureus isolates recovered from 30 children attending the pediatric emergency department of a central hospital in Lisbon due to skin and soft tissue infections. Molecular characterization identified seven clonal lineages among the 35 methicillin-susceptib...
Free radical scavenging and anti-edematogenic activities of Paullinia elegans C...
Guimarães,Rodrigo N.; Truitti,Maria Conceição T.; Bersani-Amado,Ciomar A.; Formagio,Anelise S. N.; Cardoso,Flávia P.; Costa,Willian F. daEthanol extract of the leaves of Paullinia elegans Cambess., Sapindaceae, and its hexane, chloroform, ethyl acetate, and hydroethanol fractions were evaluated for their antiedematogenic and free radical scavenging activities. The ethanol extract and the hexane fraction produced statistically significant inhibition (74.4 and 76.0%, respectively) of the ear edema induced by croton oil in mice, observed at doses o...
Dengue virus-induced regulation of the host cell translational machinery
Villas-Bôas,C.S.A.; Conceição,T.M.; Ramírez,J.; Santoro,A.B.M.; Da Poian,A.T.; Montero-Lomelí,M.Dengue virus (DV)-induced changes in the host cell protein synthesis machinery are not well understood. We investigated the transcriptional changes related to initiation of protein synthesis. The human hepatoma cell line, HepG2, was infected with DV serotype 2 for 1 h at a multiplicity of infection of one. RNA was extracted after 6, 24 and 48 h. Microarray results showed that 36.5% of the translation factors re...
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