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Université de Fribourg

Efficacy of colistin alone and in various combinations for the treatment of experimental osteomyelitis due to carbapenemase-producing Klebsiella pneumoniae

Crémieux, Anne-Claude ; Dinh, Aurélien ; Nordmann, Patrice ; Mouton, William ; Tattevin, Pierre ; Ghout, Idir ; Jayol, Aurelie ; Aimer, Omar ; Gatin, Laure ; Verdier, Marie-Clémence ; Saleh-Mghir, Azzam ; Laurent, Frédéric

In: Journal of Antimicrobial Chemotherapy, 2019, vol. 74, no. 9, p. 2666–2675

Objectives: In a new experimental model of carbapenemase-producing Klebsiella pneumoniae osteomyelitis we evaluated the efficacy of colistin alone and in various combinations and examined the emergence of colistin-resistant strains and cross- resistance to host defence peptides (HDPs).Methods: KPC-99YC is a clinical strain with intermediate susceptibility to meropenem (MIC = 4 mg/L) and...

Université de Fribourg

Assessment of the dose–response relationship between meal protein content and postprandial thermogenesis: effect of sex and the oral contraceptive pill

Duhita, Maharani R. ; Schutz, Yves ; Montani, Jean-Pierre ; Dulloo, Abdul G. ; Miles-Chan, Jennifer L.

In: Nutrients, 2019, vol. 11, no. 7, p. 1599

Implementation of efficacious dietary interventions to regulate energy balance requires understanding of the determinants of individual response. To date, information regarding individual variability in response to elevated meal protein content is lacking. This study investigates whether sex and/or oral contraceptive pill (OCP) use play a role in the response to elevated meal protein in 21...

Université de Fribourg

Medicine in the fourth dimension

R.Cederroth, Christopher ; Albrecht, Urs ; Bass, Joseph ; Brown, Steven A. ; Dyhrfjeld-Johnsen, Jonas ; Gachon, Frederic ; Green, Carla B. ; Hastings, Michael H. ; Helfrich-Förster, Charlotte ; B.Hogenesch, John ; Lévi, Francis ; Loudon, Andrew ; B.Lundkvist, Gabriella ; H.Meijer, Johanna ; Rosbash, Michael ; S.Takahashi, Joseph ; Young, Michael ; Canlon, Barbara

In: Cell Metabolism, 2019, vol. 30, no. 2, p. 238–250

The importance of circadian biology has rarely been considered in pre-clinical studies, and even more when translating to the bedside. Circadian biology is becoming a critical factor for improving drug efficacy and diminishing drug toxicity. Indeed, there is emerging evidence showing that some drugs are more effective at nighttime than daytime, whereas for others it is the opposite. This...

Università della Svizzera italiana

Protection of calves by a prefusion-stabilized bovine RSV F vaccine

Zhang, Baoshan ; Chen, Lei ; Silacci, Chiara ; Thom, Michelle ; Boyington, Jeffrey C. ; Druz, Aliaksandr ; Joyce, M. Gordon ; Guzman, Efrain ; Kong, Wing-Pui ; Lai, Yen-Ting ; Stewart-Jones, Guillaume B. E. ; Tsybovsky, Yaroslav ; Yang, Yongping ; Zhou, Tongqing ; Baxa, Ulrich ; Mascola, John R. ; Corti, Davide ; Lanzavecchia, Antonio ; Taylor, Geraldine ; Kwong, Peter D.

In: Npj vaccines, 2017, vol. 2, p. 7

Bovine respiratory syncytial virus, a major cause of respiratory disease in calves, is closely related to human RSV, a leading cause of respiratory disease in infants. Recently, promising human RSV-vaccine candidates have been engineered that stabilize the metastable fusion (F) glycoprotein in its prefusion state; however, the absence of a relevant animal model for human RSV has complicated...

Università della Svizzera italiana

The oral commensal Streptococcus mitis shows a mixed memory Th cell signature that is similar to and cross-reactive with Streptococcus pneumoniae

Engen, Stian André ; Rukke, Håkon Valen ; Becattini, Simone ; Jarrossay, David ; Blix, Inger Johanne ; Petersen, Fernanda Cristina ; Sallusto, Federica ; Schenck, Karl

In: Plos one, 2017, vol. 9, no. 8, p. e104306

Background: Carriage of and infection with Streptococcus pneumoniae is known to predominantly induce T helper 17 (Th17) responses in humans, but the types of Th cells showing reactivity towards commensal streptococci with low pathogenic potential, such as the oral commensals S. mitis and S. salivarius, remain uncharacterized. Methods: Memory CD4+ T helper (Th) cell subsets were isolated from...

Université de Fribourg

Silver(I) complexes with 4,7-phenanthroline efficient in rescuing the zebrafish embryos of lethal Candida albicans infection

Pavic, Aleksandar ; Savić, Nada D. ; Glišić, Biljana Đ. ; Crochet, Aurélien ; Vojnovic, Sandra ; Kurutos, Atanas ; Stanković, Dalibor M. ; Fromm, Katharina M. ; Nikodinovic-Runic, Jasmina ; Djuran, Miloš I.

In: Journal of Inorganic Biochemistry, 2019, vol. 195, p. 149–163

Five novel silver(I) complexes with 4,7-phenanthroline (4,7-phen), [Ag(NO3-O)(4,7- phen-μ-N4,N7)]n (1), [Ag(ClO4-О)(4,7-phen-μ-N4,N7)]n (2), [Ag(CF3COO-O)(4,7- phen-μ-N4,N7)]n (3), [Ag2(H2O)0.58(4,7-phen)3](SbF6)2 (4) and {[Ag2(H2O)(4,7- phen-μ-N4,N7)2](BF4)2}n (5) were synthesized, structurally elucidated and biologically evaluated. These complexes showed selectivity towards Candida spp....