Paulina Klimek

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Two classes of RNase H hydrolyze RNA of RNA/DNA hybrids. In contrast to RNase H1 that requires four ribonucleotides for cleavage, RNase H2 can nick duplex DNAs containing a single ribonucleotide, suggesting different in vivo substrates. We report here the crystal structures of a type 2 RNase H in complex with substrates containing a (5')RNA-DNA(3')(More)
The replacement of the old dual-energy X-ray absorptiometry system with a novel one should be preceded by a cross-calibration procedure. Therefore, the study was aimed at investigating the consistency of bone and body composition measures performed in pediatric population using pencil beam (DPX-L; GE Healthcare, GE Healthcare, Madison, WI) and fan beam(More)
The aberrant internal carotid artery (ICA) is a rare congenital vascular anomaly. Misdiagnosed may result in life threatening complications during middle ear surgery. Authors present a case of a 6-year old boy in whom ventilation tube insertion was complicated by ICA pseudo-aneurysm formation. Symptoms, diagnosis and management of ICA pseudo-aneurysm are(More)
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