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  • 1
    Abstract: Use of transcription activator-like effector nucleases (TALENs) is a promising new technique in the field of targeted genome engineering, editing and reverse genetics. Its applications span from introducing knockout mutations to endogenous tagging of proteins and targeted excision repair. Owing to this wide range of possible applications, there is a need for fast and user-friendly TALEN design tools. We developed E-TALEN ( ext-link-type="uri" xlink:href="" xmlns:xlink=""〉, a web-based tool to design TALENs for experiments of varying scale. E-TALEN enables the design of TALENs against a single target or a large number of target genes. We significantly extended previously published design concepts to consider genomic context and different applications. E-TALEN guides the user through an end-to-end design process of de novo TALEN pairs, which are specific to a certain sequence or genomic locus. Furthermore, E-TALEN offers a functionality to predict targeting and specificity for existing TALENs. Owing to the computational complexity of many of the steps in the design of TALENs, particular emphasis has been put on the implementation of fast yet accurate algorithms. We implemented a user-friendly interface, from the input parameters to the presentation of results. An additional feature of E-TALEN is the in-built sequence and annotation database available for many organisms, including human, mouse, zebrafish, Drosophila and Arabidopsis, which can be extended in the future.
    Type of Publication: Journal article published
    PubMed ID: 24003033
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  • 2
    ISSN: 1435-1803
    Keywords: bypass graft ; carotid artery ; ultrastructure ; vasa vasorum ; development ; arterialization ; rabbit
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Mit Hilfe elektronenmikroskopischer Methoden wurde versucht, die Funktionsfähigkeit autologer Venentransplantate mit ultrastrukturellen Veränderungen in einem Zeitraum von 5 Tagen bis 6 Monaten p. o. zu korrelieren. Frühe degenerative Veränderungen der Transplantate umfassen Endothelabschilferungen mit anschließender Fibrin- bzw. Plättchenauflagerung, murale Ödeme und ausgedehnte mediale und adventitielle Degenerationen. Die Regeneration der Transplantate wird ermöglicht durch eine frühe adventitielle Kapillarisierung (10 Tage p. o.), die die überlebenden glatten Muskelzellen und Fibrozyten in die Lage versetzt, zu proliferieren und ein arterienähnliches Gefäß zu entwickeln. Der Aufbau der 6 Monate alten Vene ist vergleichbar mit der Arteria carotis communis der Tiere, zeigt aber im Gegensatz dazu überwiegend Merkmale einer Arterie vom muskulären Typ.
    Notes: Summary Electron microscopic techniques were used to correlate the patency of venous autografts in rabbits with ultrastructural changes within a time range from 5 days to 6 months p.o. Early degenerative changes of the grafts include endothelial desquamation followed by fibrin deposition or platelet adhesion, mural edema and extensive medial and adventitial degeneration. The regeneration of the grafts is due to an early adventitial vascularization (10 days p.o.), which enables the surviving smooth muscle cells and fibrocytes to proliferate and to develop an arterial-like vessel. The organization of the 6-month-old graft is comparable to the carotid artery of the animal, but shows, in contrast, many features of a muscular artery.
    Type of Medium: Electronic Resource
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