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Dok-7 promotes slow muscle integrity as well as neuromuscular junction formation in a zebrafish model of congenital myasthenic syndromes.
this study shows hypermethylation of DOK7 gene in DNA from patients affected with breast cancer
Data showed that DOK7 transcript variants 1 (DOK7V1) were decreased in lung cancer, and associated with poor overall survival and progressionfree survival. Its overexpression limited the proliferation and migration, but enhanced the adhesion to the extracellular matrix, of lung cancer cells. Further data indicate that DOK7V1 may inhibit proliferation and migration via negatively regulating the PI3K/AKT/mTOR signaling.
Data identified MuSK activator Dok-7 as a another ROR1-binding protein independently of MuSK interaction.
Repression of Dok7 expression via DNMT1 mediated DNA methylation promotes glioma cell proliferation.
Silencing DNMT3A inhibits proliferation and invasion in ESCC cells by inducing demethylation of DOK7.
DOK7 was reduced in lung cancer and reduced DOK7 expression was associated with poorer survival.DOK7 isoform 1 plays an inhibitory role on the proliferation and migration of lung cancer cells.
Individuals with DOK7 congenital myasthenic syndrome displayed stridor and feeding difficulties at birth or progressive weakness despite normal milestones in infancy pointing to a diagnosis and should lead to neurophysiological and genetic investigation
this study demonistrated that Salbutamol is an effective treatment in patient wity congenital myasthenic syndrome due to DOK7 mutation.
DOK7 limb-girdle myasthenic syndrome can mimick congenital muscular dystrophy.
Hypermethylation of DOK7 occurs years before tumor diagnosis, suggesting a role as a powerful epigenetic blood-based biomarker as well as providing insights into breast cancer pathogenesis
In contrast to AChR deficiency due to epsilon subunit mutations, onset of DOK7 CMS tends to be later--ages two to three years--and in DOK7 CMS eye movements are usually spared and anticholinesterases can exacerbate the weakness
The DOK7 gene is highly polymorphic, and within these many variants, a spectrum of mutations that can underlie DOK7 Congenital myasthenic syndromes that will inform in managing this disorder, were defined.
Sequencing of DOK-7 in seronegative myasthenia gravis patients reveals no mutations.
6 CMS patients with DOK7 mutations had congenital stridor, bilateral vocal cord palsy and difficulty with feeding
This study demonistreated that DOK7 mutation casused congenital myasthenic syndrome in French Canadians.
these findings demonstrate that missense mutations in MUSK can result in a severe form of congenital myasthenic syndrome and indicate that the inability of MuSK mutants to interact with Dok-7.
We report clinical, morphological and molecular data on 15 congenital myasthenic syndrome patients with mutations in DOK7; characterization of this distinct phenotype is essential to provide clues for targeted genetic screening and therapy
The crystal structure of the Dok7 PH-PTB domains in complex with a phosphopeptide representing the Dok7-binding site on MuSK, is presented.
Dok-7 is essential for neuromuscular synaptogenesis through its interaction with MuSK
findings showed that recessive inheritance of mutations in Dok-7, which result in a defective structure of the neuromuscular junction, is a cause of congenital myasthenic syndromes with proximal muscle weakness
The Dok-7's C-terminal region plays a key, but not fully essential, role in MuSK activation and NMJ formation.
These results demonstrate that correct, physiological levels of dok-7 expression are required for the postnatal maintenance of neuromuscular junctions.
Protein kinase CK2 interacts at the neuromuscular synapse with Rapsyn, Rac1, 14-3-3gamma, and Dok-7 proteins and phosphorylates the latter two.
Sp1 plays a crucial role in the regulation of the dok-7 gene.
Data show a critical role for Crk and Crk-L downstream from Dok-7 in presynaptic and postsynaptic differentiation.
the COOH-terminal NES and Src homology 2 target motifs play key roles in Dok-7/MuSK signaling for neuromuscular synaptogenesis.
The protein encoded by this gene is essential for neuromuscular synaptogenesis. The protein functions in aneural activation of muscle-specific receptor kinase, which is required for postsynaptic differentiation, and in the subsequent clustering of the acetylcholine receptor in myotubes. This protein can also induce autophosphorylation of muscle-specific receptor kinase. Mutations in this gene are a cause of familial limb-girdle myasthenia autosomal recessive, which is also known as congenital myasthenic syndrome type 1B. Alternative splicing results in multiple transcript variants.
docking protein 7
, downstream of tyrosine kinase 7
, protein Dok-7
, oncoprotein induced transcript 5