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PedAM

Pediatric Disease Annotations & Medicines




Disease ataxia
Phenotype C0271270|oculomotor apraxia
Sentences 58
PubMedID- 26256098 Frame-shift, splice-site, nonsense and missense mutations identified in the aptx cluster primarily in the hit domain, destabilize aoa1 protein, and cause the human hereditary neurodegenerative disease, ataxia with oculomotor apraxia (aoa1)234. aptx resolves 5′- amp termini that can occur during premature termination of dna ligation events in dna repair and replication356.
PubMedID- 22480402 Introduction: ataxia with oculomotor apraxia type 2 is a rare and early-disabling neurodegenerative disease, part of a subgroup of autosomal recessive cerebellar ataxia, in which oculomotor symptoms (e.g., increased saccade latency and hypometria) and executive function deficits have been described.
PubMedID- 24030952 The blot was reported to be normal and the patient highly unlikely to have ataxia with oculomotor apraxia type 2, although in retrospect the band may be of reduced intensity.
PubMedID- 25822250 The human helicase senataxin (setx) has been linked to the neurodegenerative diseases amyotrophic lateral sclerosis (als4) and ataxia with oculomotor apraxia (aoa2).
PubMedID- 23149945 The neurodegenerative disorder ataxia with oculomotor apraxia 2 (aoa-2) is caused by defects in senataxin, a putative rna/dna helicase thought to be involved in the termination of transcription at rna polymerase pause sites.
PubMedID- 25662216 Mutations in the aptx gene cause the autosomal recessive neurodegenerative disease known as ataxia with oculomotor apraxia type 1 (aoa1) (9).
PubMedID- 24814856 ataxia with oculomotor apraxia type 2 fibroblasts exhibit increased susceptibility to oxidative dna damage.
PubMedID- 23111195 ataxia with oculomotor apraxia type 2 (aoa2) is a recently described autosomal recessive cerebellar ataxia caused by mutations in the setx gene.
PubMedID- 25793145 The differential diagnosis of ataxia with oculomotor apraxia, as seen in the first patient, includes at, aoa1, aoa2, at-like disorder due to mre11 mutation,4 and spinocerebellar ataxia with neuropathy type 1 (scan1) due to tdp1 mutation.
PubMedID- 26285866 Background: ataxia with oculomotor apraxia type 1 is an autosomal-recessive neurodegenerative disorder characterized by a childhood onset of slowly progressive cerebellar ataxia, followed by oculomotor apraxia and a severe primary motor peripheral axonal motor neuropathy.
PubMedID- 26213621 Senataxin (setx) was initially identified as a causative gene for severe early-onset ataxia with oculomotor apraxia (aoa2), which is the second most common recessive ataxia after freidreich's ataxia [11].
PubMedID- 25637650 Aprataxin (aptx), a protein altered in the heritable neurological disorder ataxia with oculomotor apraxia 1 (aoa1), acts as a dna ligase "proofreader" to directly reverse amp-modified nucleic acid termini in dna- and rna-dna damage responses.
PubMedID- 25462094 Two novel mutations of the setx gene and ataxia with oculomotor apraxia type 2.
PubMedID- 24793032 Two neurodegenerative syndromes similar to a-t, ataxia with oculomotor apraxia (aoa1) and spinocerebellar ataxia with axonal neuropathy (scan1), result from defects in the dna repair enzymes aprataxin (aptx) and tyrosyl-dna phosphodiesterase 1 (tdp1), respectively.
PubMedID- 22928142 A karyotype analysis and molecular testing for angelman syndrome, rett syndrome, and ataxia with oculomotor apraxia type 2 were unrevealing.
PubMedID- 24694197 Mutations in human senataxin (setx), an ortholog yeast protein of sen1, have been identified to cause the syndrome of ataxia with oculomotor apraxia type 2 (aoa2) and juvenile amyotrophic lateral sclerosis (als4), two types of progressive motor neuron degeneration.
PubMedID- 23183622 Background: ataxia with oculomotor apraxia type 1 (aoa1) shows early onset with autosomal recessive inheritance and is caused by a mutation in the aprataxin (aptx) gene encoding for the aptx protein.
PubMedID- 23593030 ataxia with oculomotor apraxia type 2 (aoa2) caused by a defect in the gene setx (coding for senataxin) is part of a subgroup of autosomal recessive ataxias characterized by defects in genes responsible for the recognition and/or repair of damage in dna.
PubMedID- 20869730 The objective of this article has been to describe the presence of a sensory neuronopathy in a patient harbouring ataxia with oculomotor apraxia type 2 (aoa2).
PubMedID- 20301629 ataxia with oculomotor apraxia type 1 (aoa1) is characterized by childhood onset of slowly progressive cerebellar ataxia, followed by oculomotor apraxia and a severe primary motor peripheral axonal motor neuropathy.
PubMedID- 20301333 ataxia with oculomotor apraxia type 2 (aoa2) is characterized by onset between age three and 30 years, cerebellar atrophy, axonal sensorimotor neuropathy, oculomotor apraxia, and elevated serum concentration of alpha-fetoprotein (afp).
PubMedID- 21502511 ataxia with oculomotor apraxia 1 is caused by mutation in the aptx gene, which encodes the dna strand-break repair protein aprataxin.
PubMedID- 21465257 ataxia with oculomotor apraxia type1 (aoa1): novel and recurrent aprataxin mutations, coenzyme q10 analyses, and clinical findings in italian patients.
PubMedID- 20713024 (1)h mr spectroscopy in friedreich's ataxia and ataxia with oculomotor apraxia type 2.
PubMedID- 23475383 ataxia with oculomotor apraxia type 2 (aoa2) is one of the most frequent autosomal recessive cerebellar ataxias.
PubMedID- 22736457 ataxia with oculomotor apraxia type 1, another recessive ataxia, shares the biochemical features of susceptibility to dna damage with at (for a review, see rass et al., 2007), but also has no clear increased risk of neoplasia (le ber et al., 2003).
PubMedID- 21324166 Clinical and molecular characterization of ataxia with oculomotor apraxia patients in saudi arabia.
PubMedID- 24362567 This involves a-form rna-binding, proper protein folding and conformational changes, all of which are impacted by heritable aptx mutations in ataxia with oculomotor apraxia 1 (aoa1).
PubMedID- 23015802 ataxia with oculomotor apraxia type 2 (aoa2) was first described in 1998 in a japanese family (watanabe et al., 1998).
PubMedID- 24653660 ataxia with oculomotor apraxia type ii is a recently described ataxia in which mutations were located on chromosome 9q34.
PubMedID- 20808545 ataxia with oculomotor apraxia (aoa) type 1 is due to a mutation of the aprataxin gene and is associated with hypoalbuminemia [41, 42].
PubMedID- 24179805 ataxia with oculomotor apraxia type 2 (aoa2) is one of the most frequent types of autosomal degenerative cerebellar ataxia.
PubMedID- 21412945 Aptx is the gene involved in ataxia with oculomotor apraxia type 1 (aoa1), a recessive disorder with early-onset cerebellar ataxia, oculomotor apraxia and peripheral neuropathy.
PubMedID- 26377184 This leads to aprataxin (aptx), a deoxyribonucleic acid (dna) repair protein, being prevented from entering the nucleus due to phosphorylation and, in consequence, to increased oxidative stress-induced dna damage and cell death [41]; mutations in the aptx gene underlie early-onset ataxia with oculomotor apraxia and hypoalbuminaemia [44].
PubMedID- 21984210 Structural and mutational data support a wedge-pivot-cut hit-znf catalytic mechanism for 5'-adenylate adduct recognition and removal and suggest that mutations affecting protein folding, the active site pocket and the pivot motif underlie aptx dysfunction in the neurodegenerative disorder ataxia with oculomotor apraxia 1 (aoa1).
PubMedID- 23941260 oculomotor apraxia (oma) associated with cerebellar ataxia was first noted by boder and sedgwick[1] in patients with ataxia-telangiectasia (a-t).
PubMedID- 23524341 Aoa1: ataxia with oculomotor apraxia 1; scan1: spinocerebellar ataxia with axonal neuropathy 1.
PubMedID- 23129421 Mutations in the senataxin (setx) gene can cause amyotrophic lateral sclerosis 4 (als4), an autosomal dominant form of juvenile onset amyotrophic lateral sclerosis, or result in autosomal recessive ataxia with oculomotor apraxia type 2.
PubMedID- 19593598 ataxia with oculomotor apraxia (aoa) type 2 (aoa2 mim 606002) is a recessive subtype of aoa characterized by cerebellar atrophy, oculomotor apraxia, early loss of reflexes, and peripheral neuropathy.
PubMedID- 25728773 We used homozygosity mapping and exome sequencing to study a cohort of nine portuguese families who were identified during a nationwide, population-based, systematic survey as displaying a consistent phenotype of recessive ataxia with oculomotor apraxia (aoa).
PubMedID- 25787807 ataxia with oculomotor apraxia type 2: not always an easy diagnosis.
PubMedID- 23178371 Included in this group is a novel form of ataxia with oculomotor apraxia characterised by sensitivity to dna damaging agents, a defect in p53 stabilisation, oxidative stress and resistance to apoptosis.
PubMedID- 21316334 Aprataxin forms another discrete branch of the hit superfamily, is implicated in dna repair mechanisms and unlike the hint and fhit members, a defective protein can be conclusively linked to a disease, ataxia with oculomotor apraxia type 1.
PubMedID- 21212468 Defective in zinc finger protein in controlling cellular dna repair processes may link to several human neurological disorders, such as ataxia with oculomotor apraxia 1 and spinocerebellar ataxia with axonal neuropathy 1 [50].
PubMedID- 22065524 ataxia with oculomotor apraxia type 2 (aoa2) is an autosomal recessive form of ataxia caused by mutations in the setx gene.
PubMedID- 24244371 Senataxin is a large 303 kda protein linked to neuron survival, as recessive mutations cause ataxia with oculomotor apraxia type 2 (aoa2), and dominant mutations cause amyotrophic lateral sclerosis type 4 (als4).
PubMedID- 23203191 Decreased ape1 levels were found in patient cells affected by ataxia with oculomotor apraxia type 1 (aoa1) [191], a neurodegenerative disorder originating in mutations of the aptx gene [192,193], which results in a cellular aprataxin deficiency [194].
PubMedID- 21112256 ataxia with oculomotor apraxia type 2 (aoa2) is an autosomal recessive neurodegenerative disorder characterized by cerebellar ataxia and oculomotor apraxia.
PubMedID- 26068213 The ataxia with oculomotor apraxia type 1 (aoa1) was the fifth most frequent arca in our cohort since we have identified 6 patients (3 families) carrying aptx mutations, although it seems to be a rare condition outside japan or portugal [42, 43].
PubMedID- 26332941 ataxia with oculomotor apraxia type 2 in the canadian aboriginal population.

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