MYOTONIC DYSTROPHY 1
|
0.400 |
AlteredExpression
|
disease |
BEFREE |
Both DM1 myogenic progenitors and myotubes were found to express the intranuclear RNA foci exhibiting sequestration of MBNL1.
|
29898953 |
2018 |
MYOTONIC DYSTROPHY 1
|
0.400 |
Biomarker
|
disease |
BEFREE |
Antisense and other RNA-mediated technologies have been applied to target toxic-repeat mRNA transcripts to restore MBNL protein function in DM1 models, such as cells and mice, and in humans.
|
30086404 |
2018 |
MYOTONIC DYSTROPHY 1
|
0.400 |
AlteredExpression
|
disease |
BEFREE |
These mutant RNAs alter the activities of RNA processing factors, including MBNL proteins, leading to re-expression of fetal isoforms in adult tissues and DM1 pathology.
|
28698297 |
2017 |
MYOTONIC DYSTROPHY 1
|
0.400 |
AlteredExpression
|
disease |
BEFREE |
Further characterization of two hits revealed that the small molecule HDAC inhibitors, ISOX and vorinostat, increased MBNL1 expression in DM1 patient-derived fibroblasts and partially rescued the splicing defect caused by (CUG)exp repeats in these cells.
|
28535287 |
2017 |
MYOTONIC DYSTROPHY 1
|
0.400 |
GeneticVariation
|
disease |
UNIPROT |
Identification of variants in MBNL1 in patients with a myotonic dystrophy-like phenotype.
|
27222292 |
2016 |
MYOTONIC DYSTROPHY 1
|
0.400 |
AlteredExpression
|
disease |
BEFREE |
Research in context: Myotonic Dystrophy type 1 (DM1) is a dominant disorder resulting from the expression of expanded CUG repeat RNA, which aberrantly sequesters and inactivates the muscleblind-like (MBNL) family of proteins.
|
26501102 |
2015 |
MYOTONIC DYSTROPHY 1
|
0.400 |
AlteredExpression
|
disease |
BEFREE |
Changes in alternative splicing, translation, localization, and mRNA stability due to sequestration of MBNL proteins and up-regulation of CELF1 are key to DM1 pathology.
|
25504326 |
2015 |
MYOTONIC DYSTROPHY 1
|
0.400 |
Biomarker
|
disease |
BEFREE |
Here we show that the abnormal splicing of DMD exon 78 found in dystrophic muscles of DM1 patients is due to the functional loss of MBNL1 and leads to the re-expression of an embryonic dystrophin in place of the adult isoform.
|
26018658 |
2015 |
MYOTONIC DYSTROPHY 1
|
0.400 |
Biomarker
|
disease |
BEFREE |
Although these data suggest that the loss of MBNL1 function due to accumulation in foci is an unlikely explanation for DM1 symptoms in the lens, they do demonstrate a strong relationship between the subcellular MBNL1 localization and pathways of cellular differentiation, providing an insight into the sensitivity of the lens to changes in MBNL1 distribution.
|
24354850 |
2014 |
MYOTONIC DYSTROPHY 1
|
0.400 |
Biomarker
|
disease |
BEFREE |
Notably, half of the splicing events controlled by MBNL1 were co-regulated by RBFOX1, and several events in this category were mis-spliced in DM1 tissues.
|
25211016 |
2014 |
MYOTONIC DYSTROPHY 1
|
0.400 |
Biomarker
|
disease |
BEFREE |
Intriguingly, the interaction of MBNL1 and MBNL2 is required to fully reverse the mis-splicing of Tau exon 2 induced by the trans-dominant effect of long CUG repeats, similar to the DM1 condition.
|
24440524 |
2014 |
MYOTONIC DYSTROPHY 1
|
0.400 |
Biomarker
|
disease |
BEFREE |
It has been suggested that a reversal of the myotonia and potentially other symptoms of the DM1 disease can be achieved by inhibiting the toxic MBNL1-r(CUG)(exp) interaction.
|
24702247 |
2014 |
MYOTONIC DYSTROPHY 1
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
We chose to focus on the interaction between MBNL1 and mutant DMPK mRNA in cells from DM1 patients due to the strong microscopic evidence of their co-localization.
|
24781112 |
2014 |
MYOTONIC DYSTROPHY 1
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
In order to search for candidate genes that could act as modifiers of disease severity, we studied the association between Muscleblind-like protein-1 (MBNL1) gene polymorphisms and the DM1 phenotype.
|
23161457 |
2013 |
MYOTONIC DYSTROPHY 1
|
0.400 |
Biomarker
|
disease |
BEFREE |
RNA splice defects resulting as a consequence of MBNL1 depletion have been shown to play a key role in the development of DM1 pathology.
|
23166594 |
2012 |
MYOTONIC DYSTROPHY 1
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
We used RT-PCR to validate a subset of alternative cassette exons identified by microarray analysis with brain tissues from Mbnl1(ΔE3/ΔE3) knockout mice and post-mortem DM1 patients.
|
22427994 |
2012 |
MYOTONIC DYSTROPHY 1
|
0.400 |
Biomarker
|
disease |
BEFREE |
Consequently, the abnormally high inclusion of the exon 5 and 7 regions in DM1 is expected to enhance the potential of MBNL1 of being sequestered with nuclear CUG expansions, which provides new insight into DM1 pathophysiology.
|
21454535 |
2011 |
MYOTONIC DYSTROPHY 1
|
0.400 |
Biomarker
|
disease |
BEFREE |
Moreover, the DM1 myotubes showed the splicing alteration of insulin receptor and muscleblind-like 1 (MBNL1) genes associated with the DM1 phenotype.
|
20431600 |
2010 |
MYOTONIC DYSTROPHY 1
|
0.400 |
AlteredExpression
|
disease |
BEFREE |
However, while an overall reduction in the expression of MBNL1 mimics the effect of the DM1 mutation, none of the MBNL1 isoforms tested so far modulates the endogenous splicing of Tau.
|
18177861 |
2008 |
MYOTONIC DYSTROPHY 1
|
0.400 |
Biomarker
|
disease |
BEFREE |
These results suggest that nuclear accumulation of MBNL1 and ribonuclear inclusions may have a direct adverse effect on gallbladder smooth muscle contractility and thus contribute to gallstones formation in DM1 patients.
|
18653337 |
2008 |
MYOTONIC DYSTROPHY 1
|
0.400 |
AlteredExpression
|
disease |
BEFREE |
We used real-time RT-PCR analysis to examine the possibility that MBNL mRNA expression is altered in DM1 patients.
|
17331722 |
2007 |
MYOTONIC DYSTROPHY 1
|
0.400 |
AlteredExpression
|
disease |
BEFREE |
These results suggest that sequestration of MBNL1 into the CUG repeat expansion of DMPK mRNA could cause the exclusion of SERCA1 exon 22, and the expression of this aberrant splicing form of SERCA1 could affect the regulation of Ca(2+) concentration of sarcoplasmic reticulum in DM patients.
|
17728322 |
2007 |
MYOTONIC DYSTROPHY 1
|
0.400 |
Biomarker
|
disease |
BEFREE |
Thus, these experiments demonstrate that sequestration of MBNL1 by the expanded CUG repeats is the primary determinant of both DM1 focus formation and the abnormal splicing of the IR RNA in DM1 myoblasts.
|
15546872 |
2005 |
MYOTONIC DYSTROPHY 1
|
0.400 |
GeneticVariation
|
disease |
UNIPROT |
Three proteins, MBNL, MBLL and MBXL, co-localize in vivo with nuclear foci of expanded-repeat transcripts in DM1 and DM2 cells.
|
11929853 |
2002 |
MYOTONIC DYSTROPHY 1
|
0.400 |
Biomarker
|
disease |
BEFREE |
This work provides further support for the involvement of MBNL in DM1.
|
11433021 |
2001 |