Anna Wojciechowska

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A series of aminoalkanol derivatives of 10-(diphenylmethylene)-4-azatricyclo[5.2.1.0(2.6)]dec-8-ene-3,5-dione and 4-hydroxy-4-azatricyclo[5.2.1.0(2,6)]dec-8-ene-3,5-dione have been prepared. The pharmacological profile of selected compounds was evaluated for their affinities at beta-adrenoceptors. The investigated compounds exhibit modest affinity for these(More)
The beta1,2-rhamnosyltransferase WsaF is involved in the biosynthesis of a polyrhamnan chain which is attached to the surface-layer protein from Geobacillus stearothermophilus NRS 2004/3a. The enzyme belongs to the large retaining GT4 family. To date, no structure of a rhamnosyltransferase has been published. Recombinant purified native WsaF has been(More)
Pregnancy disorders are often correlated with the presence of organic pollutants in the tissues of living bodies. The aim of this study was to investigate the effects (over 24 and 48 hours) of polychlorinated biphenyls (PCBs) 153, 126, and 77 at doses of 1, 10, and 100 ng/mL on barrier function and secretory activity in cow placentome sections collected(More)
The KorB protein of the broad-host-range conjugative plasmid RA3 from the IncU group belongs to the ParB family of plasmid and chromosomal segregation proteins. As a partitioning DNA-binding factor, KorB specifically recognizes a 16-bp palindrome which is an essential motif in the centromere-like sequence parSRA3, forms a segrosome, and together with its(More)
Disorders in the barrier function and secretory activity of the placenta can be caused by xenobiotics (XB) present in the environment and their accumulation in tissues of living organisms. Thus, the aim of this study was to investigate the effect of 1,1,1-trichloro-2,2,-bis-4-chlorophenyl-ethane (DDT) and its metabolite(More)
Studies on the effects of various factors, including xenobiotics, on the maternal-fetal connections in the placenta are restricted by the lack of a simple and inexpensive research model. We used placentomes collected at a slaughterhouse to in vitro study the bovine sections contained integral maternal-fetal connections. The placentomes from cows(More)