Thomas Gasser

..004) with PD. The C-allele appears to be a recessive risk allele with an estimated population frequency of 83%. An allele-dependent dysregulation of PITX3 expression might contribute to the susceptibility to PD...

..These findings may provide the "genetic entry points" to identify molecular targets and readouts necessary to design rational disease-modifying treatments...

..These EFNS guidelines on the molecular diagnosis of neurogenetic disorders are designed to provide practical help for the general neurologist to make appropriate use of molecular genetics in diagnosing neurogenetic disorders...

..However, because of the complex relationship of genotypes and phenotypes in neurodegenerative disorders, the development of useful biomarkers is still in an early phase...

..These findings provide the 'genetic entry points' to identify molecular targets and readouts necessary to design rational disease-modifying treatments...

..A causative gene for D-PMM remains to be identified...

..Substantia nigra hyperechogenicity in yet unaffected LRRK2 mutation carriers indicates morphologic alterations in an asymptomatic stage of disease...

..61, 95% CI 0.66-3.91, P = 0.29). Genotype prevalence and OPN levels were not significantly related. These findings suggest that OPN is associated with the occurrence of Lewy body disease and SNP-66 may be a susceptibility factor...

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..In conclusion, we provide evidence that alpha-synuclein levels are influenced by genetic variability in the promoter and 3' region of the SNCA gene in vivo...

..In subtests, meaningful results can be obtained with even lower numbers (five patients for a verbal fluency test, and 14 patients for a logical memory task)...

..The extent to which these genetic effects are consistent across different populations is unknown...

..Serum NEP activity levels were not significantly different between the groups. We conclude that, in Lewy body disease, CSF NEP activity levels are associated with dementia, probably via the Aβ pathway...

..MR spectroscopy revealed raised myoinositol levels in the basal ganglia of both patients, reflecting possible astroglial proliferation...

..This largest association study performed to define the role of any gene in the pathogenesis of Parkinson's disease revealed no overall strong association of Omi/HtrA2 variants with PD in populations worldwide...

..TITF-1 mutations should be considered in choreiform movement disorders with onset in infancy even in the presence of dystonia and myoclonic jerks...

..3 ± 37.4 pg/ml versus 72.8 ± 43.9 pg/ml, p = 0.511). The findings of the present investigation indicated that beneficial effects of the lithium treatment might reduce the necessity of enhanced GDNF expression in the CNS in early AD...

..In conclusion, our study did not lend support to the finding that the reported SNPs are directly influencing the susceptibility to sporadic form of PD at least in our population...

..As SN hyperechogenicity could be related to an increased iron content of the SN, these findings suggest that iron may play a less significant role in the pathogenesis of monogenetically caused compared to idiopathic PD...

..The potential of neural-derived IgG autoantibodies as part of a biomarker panel for the diagnosis of Lewy body-associated dementias should be further evaluated...

..However, taking the initial mapping of the PARK3 into account, the role of a population-specific effect warrants consideration in future studies...

..Our results did not provide evidence for the association of these SNPs with SALS, suggesting a possible population-specific effect for FLJ10986 and ITPR2 that do not modulate the risk for SALS in the German population...

..We aimed to determine the diagnostic value of TCS in the early stages of parkinsonian syndromes, when the clinical symptoms often do not enable a definite diagnosis to be made...

..Asp620Asn) in the vacuolar protein sorting 35 gene as a cause for an autosomal dominant form of Parkinson disease . Although additional missense variants were described, their pathogenic role yet remains inconclusive...

..This pathway linking the two dominant PD genes LRRK2 and SNCA may offer an interesting target for drug therapy in both familial and sporadic disease...

..Further, it is likely that the cellular pathways identified in rare monogenic variants of the disease also shed light on the molecular pathogenesis in typical sporadic PD...

..Our data indicate a novel role for parkin in directly supporting mitochondrial function and protecting mitochondrial genomic integrity from oxidative stress...

..We hypothesize that alterations of the glutathione system occur in a very early stage of the disease or may even represent a risk marker for LBD...

..Whether the association of SN+ with both impaired motor performance and hyposmia as seen in this study predicts an increased risk for the development of PD needs to be evaluated in the follow-up investigations...

..Furthermore, we provide evidence that--in addition to nonspecific binding--PIB uptake in the brainstem may also reflect PDD related amyloid...

..Further, it is likely that the cellular pathways identified in rare monogenic variants of the disease also shed light on the molecular pathogenesis in typical sporadic PD...

..Loss of tyrosine-hydroxylase-positive cells in the SN and of dopaminergic fibers in the striatum was reduced 3 weeks after MPTP intoxication in OPN-null mice. These data suggest that OPN is involved in PD-associated neurodegeneration...

..There is also accumulating evidence that genetic factors play a role in the common sporadic form of PD, however their precise nature remains unknown...

..Augmenting DJ-1 activity might provide novel approaches to treating chronic neurodegenerative illnesses such as Parkinson's disease and acute damage such as stroke...

..e., aspirational pneumonia. So far, little is known on how deep-brain-stimulation of the subthalamic nucleus influences deglutition in PD...

..The aim of this study was to measure serum IGF-1 in patients with PD and assess its correlation with the clinical presentation...

..Here we add recent findings to a greatly challenging puzzle...

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..The results of the present investigation encourage performing studies with longer treatment phases to observe potential positive long-term effects of lithium in AD patients...

..These data confirm and extend previous results on the relationship between BChE gene and BuChE activity, and argue rather against a major impact of BuChE on LBD-associated pathologies...

..Huntington's disease, Parkinson's disease and parkinsonian syndromes, ataxias, Wilson disease, essential tremor, dystonias, and other genetic diseases associated with a variety of movement disorders are considered separately...

..To evaluate whether enlarged substantia nigra hyperechogenicity (SN+) is associated with an increased risk for Parkinson disease (PD) in a healthy elderly population...

..The aim of this study was to validate SN hypoechogenicity as a morphological marker for RLS in a large patient cohort and to investigate further RLS-associated brain abnormalities using TCS...

..We conclude that, in Lewy body disease, the CST3 BB genotype and low CSF CysC levels are associated with dementia, possibly through a disturbed elimination of soluble Abeta(42)...

..Searching for mutations in the periphilin gene, we detected a K69E substitution in two patients of a PD family. Taken together, these findings support for the first time an involvement of periphilin in PD...

..7% and a negative predictive value of 82.9% in the diagnosis of PD solely by interpreting the results of TCS, indicating that TCS is a valuable additional tool in the diagnosis of PD...

..However, dietary factors are difficult to assess. This review gives an overview on epidemiological studies addressing a possible relation of dietary compounds and the risk for PD...

..To gain insight into the hitherto undefined pathophysiology of IEC after STN-DBS, we performed a comprehensive clinical and electrophysiological characterisation of lid function in a total of six PD patients...

..Assessment of rSG should be included in the routine examination of CD patients, since BTX treatment may have to beadjusted accordingly to be efficacious...

..Hence, LRRK2 may be central to the pathogenesis of several major neurodegenerative disorders associated with parkinsonism...

..The effect of treatment with cholinesterase inhibitors in progressive supranuclear palsy and corticobasal degeneration warrants carefully designed studies including a sufficient number of patients and symptom-adopted dementia scales...

..SGCE exon dosage assays may identify additional families with SGCE mutation and thus reduce "genetic heterogeneity."..

..Importantly, our finding of ROCO(LRRK2) fragment-mediated LRRK2 kinase inhibition offers a novel lead for drug design and thus might have important implications for new therapeutic avenues in PD...

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..This suggests that back pain in PD patients is often neglected and insufficiently treated. Our results argue for the routine evaluation of back pain in every patient suffering from PD...

..These findings will allow the search for new treatment strategies that focus on the underlying molecular pathophysiology, rather than simply on ameliorating symptoms...

..The analysis of Treg from AD and PD patients as well as non-affected individuals, revealed that the frequency of Treg (CD4(+)Foxp3(+)) increases with age and is accompanied by intensified suppressive activity for Treg in patients...

..In conclusion, injection of BTX into the iliopsoas does not appear to be a promising approach for the treatment of parkinsonism-associated camptocormia...

..7 Mb). Our data provide evidence that the PARK8 locus is responsible for the disease in a subset of families of white ancestry with autosomal dominant parkinsonism, suggesting that it could be a more common locus...

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..A53T mutation. These results demonstrate that mutations in the alpha-synuclein gene are rare and suggest that other factors contribute to alpha-synuclein aggregation in the majority of PD patients...

..Therefore, PARK11 does not seem to play a major role for familial PD in the European population...