To assess the effect of Loeys-Dietz syndrome (LDS) mutations affecting TGFΒR1 a selection of seven disease-associated amino acid substitutions were introduced into wild type TGFβR1 and constitutively active TGFβR1(T204D). Receptor function was tested by co-transfection with a luciferase reporter or EGFP-tagged SMAD2 in HEK293 cells. All of the mutations were found to be inactivating for canonical TGF-β signaling. Differences in residual activity were not found to correlate with disease subtype. In co-transfection experiments with equal amounts wild-type receptor, the LDS mutations were found to confer a modest dominant negative effect. These results are discussed in relation to LDS and the related Marfan syndrome.
This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 15 March 2012.
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