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Absorption of kininogen from human plasma by Streptococcus pyogenes is followed by the release of bradykinin

H-kininogen (high-molecular-mass kininogen, HK) is the precursor of the vasoactive peptide hormone bradykinin (BK). Previous work has demonstrated that HK binds to Streptococcus pyogenes through M-proteins, fibrous surface proteins and important virulence factors of these bacteria. Here we find that M-protein-expressing bacteria absorb HK from human plasma. The HK bound to the bacteria was found t

The Biology of the Nuclear Envelope and Its Implications in Cancer Biology

The formation of the nuclear envelope and the subsequent compartmentalization of the genome is a defining feature of eukaryotes. Traditionally, the nuclear envelope was purely viewed as a physical barrier to preserve genetic material in eukaryotic cells. However, in the last few decades, it has been revealed to be a critical cellular component in controlling gene expression and has been implicated

Randomized Controlled Trial of Exercise in CKD—The RENEXC Study

Introduction: Home-based, clinically feasible trials in non–dialysis-dependent patients with chronic kidney disease (CKD) are sparse. We compared the effects of 2 different exercise training programs on physical performance, and measured glomerular filtration rate (mGFR) and albuminuria level in patients with CKD stages 3 to 5. Methods: This is a single-center, randomized controlled trial (RCT) c

Dynamic extraction coupled on-line to liquid chromatography with a parallel sampling interface—a proof of concept for monitoring extraction kinetics

On-line hyphenation of extraction with chromatography has been explored in several different types of combinations. However, monitoring the complete process of a dynamic, continuous-flow extraction is not possible with any hyphenated system reported so far. The current work demonstrates that this challenging task can be effectively fulfilled by using a parallel sampling interface, which mimics the

3D printing of decellularised porcine lung ECM

Statement of Purpose: Chronic lung diseases are one of the major health problems that cause death and disability. Approximately 65 million people suffer from chronic lung diseases, and the number of patients is predicted to increase worldwide 1 . Lung transplantation is the only available treatment option for patients at end-stage disease. However, there is a chronic shortage of donor organs, re

Humboldt’s University : The History and Topicality of a German Tradition

This chapter discusses the history of the modern German university and the topicality of Wilhelm von Humboldt’s ideas. A key issue is how the Humboldtian tradition, with its origin in Prussia around the year 1800, was transformed and has informed debates about research, higher education and academic freedom ever since. Drawing on recent scholarship, this chapter investigates the ways in which Humb

Prison bound? : Merchants, Loan Guarantees, and Reprisals in Medieval Dordrecht (c. 1300)

The article provides empirical evidence on the use of two types of security in medieval finance: conditional hostageship and the community responsibility system. Both exposed guarantors to imprisonment or confiscation. Evidence from Dordrecht shows the former was frequently applied but was not very disruptive. However, the latter community responsibility system did lead to reprisals against mercha