Proton magnetic resonance spectroscopy of patients with parkinsonism

Abe, Kazuo; Terakawa, Haruhiko; Takanashi, Mayako; Watanabe, Yoshiyuki; Tanaka, Hisashi; Fujita, Norihiko; Hirabuki, Norio; Yanagihara, Takehiko

doi:10.1016/s0361-9230(00)00321-x

Cited by 73 publications

(59 citation statements)

References 48 publications

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“…Mevcut bu bulgular bize serüloplazmin eksikliğinin İPH patogenezinde yer alan nörodejenerasyona katkısı olduğunu göstermektedir. Ayrıca (KL) NAA/Cr değerleri ile L-dopa kullanım yılı, hastalık süresi ve başlangıç yaşı arasında saptadığımız bu anlamlı ilişki (KL) NAA/Cr değerlerinin literatürde de daha önce belirtildiği gibi nöronal ve/veya aksonal hasarı gösteren bir belirteç olabileceğini düşündürmektedir (64,65 …”

Section: Discussionunclassified

The Role of Ceruloplasmin in Neurodegeneration in Parkinson’s Disease

Gürer¹,

Aydın²,

Gökçe³

et al. 2016

tnd

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Amaç: İdiyopatik Parkinson hastalığında (İPH) oksidatif stres nöronal hücre ölümü üzerinde majör role sahiptir. Serüloplazmin ferrooksidaz aktivitesi ile ferröz demiri ferrik forma okside eder ve böylece hücrenin DNA, lipid ve protein bileşenlerini oksidatif hasardan korur. Bizim çalışmamızda proton manyetik rezonans spektroskopi (H-1 MRS) ile serüloplazmin eksikliğinin nörodejenerasyon üzerindeki etkisi araştırılmıştır. Gereç ve Yöntem: İPH tanılı 23 hasta ve 12 sağlıklı kontrol olguda iki yanlı putamen tek voksel H-1 MRS yöntemiyle incelendi. Her iki grupta N-asetil aspartat (NAA), kreatin (Cr) ve kolin (Cho) pik değerleri ve serum serüloplazmin düzeyleri belirlendi. Bulgular: İPH hastalarında semptomatik ekstremitenin kontralateral (KL) putaminal bölge NAA/Cho ve NAA/Cr oranı kontrol grubuna kıyasla anlamlı derecede düşüktü. Ayrıca İPH grubunda KL NAA/Cho ve NAA/Cr oranları ipsilateraline (İL) göre anlamlı derecede düşüktü (p<0,001). Semptomatik ekstremitenin İL putaminal bölgeye ait metabolit oranları karşılaştırıldığında sağlıklı kontrol ile İPH grubu arasında anlamlı fark saptanmadı. Serum serüloplazmin seviyeleri kontrol grubu ile karşılaştırıldığında İPH grubunda anlamlı derecede düşük saptandı (p<0,001). İPH grubunda KL putaminal NAA/Cho oranı ile serüloplazmin seviyeleri arasında anlamlı korelasyon saptandı (p=0,011). Sonuç: Çalışmamızda saptanan serum serüloplazmin düşüklüğü ile KL putamen NAA/Cho oranı arasındaki bu korelasyon serbest radikal aracılı nöronal hücre ölümünde serüloplazmin yetersizliğinin katkıda bulunabileceği hipotezini desteklemektedir. Anahtar Kelimeler: İdiyopatik Parkinson hastalığı, proton manyetik rezonans spektroskopi, serüloplazmin Objective: Oxidative stress has been implicated to play a major role in the neuronal cell death in idiopathic Parkinson's disease (IPD). Ceruloplasmin is a ferroxidase that oxidizes toxic ferrous iron to its nontoxic ferric form and thus helps prevent oxidative damage to proteins, lipids, and DNA. The aim of this study was to determine the serum ceruloplasmin levels in patients with IPD and evaluate its role in neurodegeneration using hydrogen proton magnetic resonance spectroscopic imaging (H-1 MRSI). Materials and Methods: Twenty-three patients with the IPD and 12 healthy controls were studied using single-voxel H-1 MRSI of the bilateral putamen. The peak ratios of N-acetyl aspartate (NAA) to creatinine (Cr) and choline (Cho) were measured in both groups and serum ceruloplasmin levels were detected. Results: Compared with the controls, the ratios of NAA/Cho and NAA/Cr in putamen contralateral (CL) to the symptomatic limbs were significantly lower in patients with IPD. Also in the IPD group, CL NAA/Cho and NAA/Cr ratios were significantly lower than the ipsilateral (IL) values (p<0.001). There was no significant difference between ratios of metabolites in putamen IL to the symptomatic limbs in the IPD group compared with the healthy controls. The mean serum ceruloplasmin level of IPD patients was significantly lower than that of the control group (...

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Section: Discussionunclassified

The Role of Ceruloplasmin in Neurodegeneration in Parkinson’s Disease

Gürer¹,

Aydın²,

Gökçe³

et al. 2016

tnd

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show abstract

“…However, studies have shown conflicting results: some studies found no changes in the frontal lobe (Abe et al., 2000; Watanabe et al., 2004) and others reported decreased Cho/Cr ratios in the temporoparietal cortex in PD patients (Taylorrobinson et al., 1999). Technical factors and different regions of interest could be possible explanations, and further 1 H‐MR spectroscopic study is needed.…”

Section: Discussionmentioning

confidence: 99%

“…Furthermore, compared with the putamen and cerebral white matter, the changes of NAA/Cr ratio are proven to be more pronounced in the pontine base in PD patients than controls (Watanabe et al., 2004). However, contradictory results for the NAA/Cr ratio in the frontal cortex have been reported in parkinsonian syndromes subjects (Abe et al., 2000). In addition, some studies showed no significant difference in Cho/Cr ratio in the lentifom nucleus between PD patients and healthy controls (Federico et al., 1997), which may result from regional and individual variability or different signal‐to‐noise ratio in different brain structures.…”

Section: Introductionmentioning

confidence: 99%

Detection and application of neurochemical profile by multiple regional ¹H‐MRS in Parkinson's disease

Guan

Wen

et al. 2017

Brain and Behavior

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IntroductionThe accurate diagnosis and monitoring of idiopathic Parkinson disease (PD), a progressive neurodegenerative disorder, has not been fully developed. This study sought to identify a neurochemical profile in multiple regions of the PD brain and healthy controls by proton magnetic resonance spectroscopy (1H‐MRS). We aimed to track changes of the brain neurochemical, quantify neuronal loss, and further determine the diagnostic value of 1H‐MRS.Methods PD patients and healthy controls recruited from Second Affiliated Hospital of Shantou University Medical College, Shantou, southern China, underwent 1H‐MRS. Chemical information was obtained for ratios of N‐acetylaspartate to creatine (NAA/Cr), NAA to choline (NAA/Cho), and Cho to Cr for substantia nigra, globus pallidus, prefrontal lobe, hippocampus, cuneus gyrus, and dorsal thalamus regions.ResultsCompared to the 20 healthy controls (12 male, age 58.75 ± 5.03 years), the 42 patients (21 male, age 61.60 ± 6.40 years) showed lower NAA/Cr and NAA/Cho ratios in substantia nigra, globus pallidus, prefrontal lobe, hippocampus, cuneus gyrus and dorsal thalamus regions (p < .01); NAA/Cr and NAA/Cho ratios were reduced for both patients with unilateral and mild/no cognitive impairment (p < .01); Unified Parkinson's Disease Rating Scale score was inversely correlated with NAA/Cr ratios in the substantia nigra (r = −.32; p = .042).Conclusion NAA/Cr and NAA/Cho ratios may be useful metabolic biomarkers for early diagnosis of PD. Multi‐voxel 1H‐MRS can provide information on brain neurochemistry and may be a promising technique for diagnosis of and monitoring neuronal loss in PD.

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“…some diagnostic tests could be useful for the differential diagnosis of PK, and MrI is one of the most important [10][11][12][13][14][15][16][17][18][19][20][21][22][23] . our objective was to determine the usefulness of MrI and Mrs in a PK group, based on well known imaging aspects according to the subtype of PK, assessing which variables had statistic significance in these groups.…”

Section: Discussionmentioning

confidence: 99%

“…Magnetic resonance imaging (MrI) and spectroscopy by MrI (Mrs) are noninvasive tools helping the physician to establish a more accurate diagnosis. MrI offers an adequate analysis of abnormalities in the basal nuclei, midbrain, pons, medulla, and cerebellum, which are impaired in atypical PK [10][11][12][13][14][15][16][17][18][19][20][21][22][23] . We selected patients with diagnosis of PK and analyzed the usefulness of neuroimaging (MrI and Mrs) in the differential diagnosis of this condition.…”

mentioning

confidence: 99%

Neuroimaging in Parkinsonism: a study with magnetic resonance and spectroscopy as tools in the differential diagnosis

Vasconcellos

Novis

Moreira

et al. 2009

Arq. Neuro-Psiquiatr.

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-The differential diagnosis of Parkinsonism based on clinical features, sometimes may be difficult. Diagnostic tests in these cases might be useful, especially magnetic resonance imaging, a noninvasive exam, not as expensive as positron emission tomography, and provides a good basis for anatomical analysis. The magnetic resonance spectroscopy analyzes cerebral metabolism, yielding inconsistent results in parkinsonian disorders. We selected 40 individuals for magnetic resonance imaging and spectroscopy analysis, 12 with Parkinson's disease, 11 with progressive supranuclear palsy, 7 with multiple system atrophy (parkinsonian type), and 10 individuals without any psychiatric or neurological disorders (controls). Clinical scales included Hoenh and Yahr, unified Parkinson's disease rating scale and mini mental status examination. The results showed that patients with Parkinson's disease and controls presented the same aspects on neuroimaging, with few or absence of abnormalities, and supranuclear progressive palsy and multiple system atrophy showed abnormalities, some of which statistically significant. Thus, magnetic resonance imaging and spectroscopy could be useful as a tool in differential diagnosis of Parkinsonism.KeY WorDs: Parkinson's disease, progressive supranuclear palsy, multiple system atrophy, magnetic resonance, spectroscopy. Neuroimagem no parkinsonismo: estudo com ressonância magnética e espectroscopia por ressonância como ferramentas no diagnóstico diferencialResumo -o diagnóstico diferencial do parkinsonismo baseado em parâmetros clínicos pode ser difícil. Alguns exames complementares podem ser úteis, especialmente a ressonância magnética, um método não invasivo, de menor custo quando comparado a tomografia por emissão de pósitrons, proporcionando uma análise anatômica satisfatória. A ressonância por espectroscopia analisa o metabolismo cerebral, com resultados variáveis na literatura no estudo das síndromes parkinsonianas. selecionamos 40 indivíduos para realização de ressonância magnética e espectroscopia, sendo 12 com doença de Parkinson, 11 com paralisia supranuclear progressiva, 7 com atrofia de múltiplos sistemas tipo parkinsoniana e 10 indivíduos sem manifestações neurológicas ou psiquiátricas (grupo controle). As escalas clínicas analisadas foram a de Hoenh e Yahr, unified Parkinson's disease rating scale e o mini-exame do estado mental. os resultados encontrados revelaram que pacientes com doença de Parkinson e controle apresentavam em geral o mesmo aspecto por imagem enquanto os grupos paralisia supranuclear progressiva e atrofia de múltiplos sistemas com anormalidades, havendo significância estatística em algumas variáveis. A ressonância magnética e a espectroscopia podem ser úteis no diagnóstico diferencial do parkinsonismo.PAlAvrAs-CHAve: Parkinsonismo, doença de Parkinson, paralisia supranuclear progressiva, atrofia de múltiplos sistemas, ressonância magnética, espectroscopia.

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Proton magnetic resonance spectroscopy of patients with parkinsonism

Cited by 73 publications

References 48 publications

The Role of Ceruloplasmin in Neurodegeneration in Parkinson’s Disease

The Role of Ceruloplasmin in Neurodegeneration in Parkinson’s Disease

Detection and application of neurochemical profile by multiple regional ¹H‐MRS in Parkinson's disease

Neuroimaging in Parkinsonism: a study with magnetic resonance and spectroscopy as tools in the differential diagnosis

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Proton magnetic resonance spectroscopy of patients with parkinsonism

Cited by 73 publications

References 48 publications

The Role of Ceruloplasmin in Neurodegeneration in Parkinson’s Disease

The Role of Ceruloplasmin in Neurodegeneration in Parkinson’s Disease

Detection and application of neurochemical profile by multiple regional 1H‐MRS in Parkinson's disease

Neuroimaging in Parkinsonism: a study with magnetic resonance and spectroscopy as tools in the differential diagnosis

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Detection and application of neurochemical profile by multiple regional ¹H‐MRS in Parkinson's disease