Explore the words cloud of the RTEL1inHHS project. It provides you a very rough idea of what is the project "RTEL1inHHS" about.
The following table provides information about the project.
THE FRANCIS CRICK INSTITUTE LIMITED
|Coordinator Country||United Kingdom [UK]|
|Total cost||183˙454 €|
|EC max contribution||183˙454 € (100%)|
1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
|Duration (year-month-day)||from 2017-01-01 to 2018-12-31|
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|1||THE FRANCIS CRICK INSTITUTE LIMITED||UK (LONDON)||coordinator||183˙454.00|
Hoyeraal-Hreidarsson syndrome (HHS) is a multisystem disorder with patients presenting inter-uterine growth retardation, immunodeficiency, and/or aplastic anaemia. Recently, mutations in RTEL1 have been shown to be causal for this disease. RTEL1 prevents genomic instability and maintains integrity of the telomeres by disassembling different secondary structures that arise during DNA replication, repair, and recombination.Although recent discoveries from the host lab and others have shed light on the function of RTEL1 in maintaining genome stability, many outstanding questions remain to be addressed. Currently very little is known about RTEL1 regulation or how it is dynamically recruited to replication forks and telomeres to execute its functions. Moreover, it is not known whether RTEL1 expression or recruitment is regulated by post-translational modifications. Of the 18 identified mutations, only two have been characterized. As these undefined mutations are causal for HHS and must therefore affect the RTEL1 function, their detailed characterization is likely to shed light on new aspects of its function and/or regulation. The main objective of this project is to characterize the undefined HHS mutations in RTEL1 and determine how they impair the physiological protein function, in vitro and in vivo.
To this end, we will take advantage of a complementation system that permits the stable expression of RTEL1 variants in RTEL1 deficient cells, allowing us to study RTEL1 mutant contribution to RTEL1 phenotypes. We will also perform comparative proteomic analysis of the mutants to determine if they abolish specific/novel protein-protein interactions. HHS mutations that present with a defined phenotype or affect a novel interaction will be studied in vivo in a mouse model.
In summary, we anticipate that the combination of approaches proposed here holds the potential to significantly contribute towards the understanding of how different mutations affect RTEL1 function.
|year||authors and title||journal||last update|
Pol Margalef, Panagiotis Kotsantis, Valerie Borel, Roberto Bellelli, Stephanie Panier, Simon J. Boulton
Stabilization of Reversed Replication Forks by Telomerase Drives Telomere Catastrophe
published pages: 439-453.e14, ISSN: 0092-8674, DOI: 10.1016/j.cell.2017.11.047
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The information about "RTEL1INHHS" are provided by the European Opendata Portal: CORDIS opendata.