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- Aufschnaiter, Andreas, et al.
(författare)
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Fließbandfertigung von Atmungskettenkomplexen in Mitochondrien : Assembly line production of respiratory chain complexes in mitochondria
- 2022
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Ingår i: BioSpektrum. - : Springer Science and Business Media LLC. - 0947-0867 .- 1868-6249. ; 28:4, s. 366-369
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Forskningsöversikt (refereegranskat)abstract
- A key function of mitochondria consists of energy conversion, performed with the help of the respiratory chain and the ATP synthase. Biogenesis of these essential molecular machines requires expression of nuclear and mitochondrially encoded genes. We describe our current understanding how these processes are coordinated and how they are organized in specific areas of the inner membrane to facilitate the assembly of these sophisticated complexes.
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- Schröder, Björn, et al.
(författare)
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Human beta-defensin 1 : from defence to offence
- 2012
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Ingår i: Zeitschrift für Gastroenterologie - German Journal of Gastroenterology. - : Georg Thieme Verlag KG. - 0044-2771 .- 1439-7803. ; 50:11, s. 1171-5
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Tidskriftsartikel (refereegranskat)abstract
- The human gut is colonised by about one kilogram of commensal bacteria. These microorganisms are a potential threat, thus an efficient defence system is crucial in preventing bacterial translocation and infection. Besides other mechanisms of protection humans produce antimicrobial peptides (AMPs) that are able to kill a broad range of microorganisms. The human beta-defensin 1 (hBD-1) plays a major role because it is produced constitutively by all human epithelia and some immune cells. In contrast to other AMPs, however, the biological function of hBD-1 has remained unclear since the antibiotic activity of hBD-1 in vitro was only marginal. But still, several diseases have been associated with genetic polymorphisms in the hBD-1 encoding gene. Herein we discuss why the biological role of hBD-1 has been overlooked and how hBD-1 can be activated by chemical reduction. We elaborate on the biological significance of this activation and its importance for inflammatory bowel disease.
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