Response of colonic motility to dopaminergic stimulation is subverted in rats with nigrostriatal lesion: relevance to gastrointestinal dysfunctions in Parkinson's disease

2015 ◽  
Vol 27 (12) ◽  
pp. 1783-1795 ◽  
Author(s):  
G. Levandis ◽  
B. Balestra ◽  
F. Siani ◽  
V. Rizzo ◽  
C. Ghezzi ◽  
...  

2018 ◽  
Vol 12 ◽  
Author(s):  
J. Ignacio Serrano ◽  
María Dolores del Castillo ◽  
Verónica Cortés ◽  
Nuno Mendes ◽  
Aida Arroyo ◽  
...  


2010 ◽  
Vol 5 (1) ◽  
pp. 22
Author(s):  
David J Brooks ◽  
Nicola Pavese ◽  
◽  

The hypothesis that pulsatile stimulation of striatal dopamine receptors in Parkinson's disease (PD) induces molecular and physiological changes in basal ganglia neurons and may contribute to the development of motor complications has led to the design of therapeutic strategies that provide more continuous dopaminergic stimulation. Newer agents and drug-delivery systems, such as slow-release preparations, catechol- O-methyltransferase and monoamine oxidase inhibitor agents, apomorphine and Duodopa™infusions, represent a significant step towards less pulsatile dopaminergic administration. However, their efficacy in providing steady brain levels of dopaminergic stimulation in the short and longer term has not yet been proved in patients. This article briefly reviews and discusses the findings of published positron-emission tomography (PET) studies that support or oppose the value of continuous dopaminergic stimulation in PD. The potential future value of PET for proof of mechanism in this area is also debated.



2001 ◽  
Vol 24 (3) ◽  
pp. 163-169 ◽  
Author(s):  
Leo Verhagen Metman ◽  
Marge Gillespie ◽  
Carrie Farmer ◽  
Francesco Bibbiani ◽  
Spiridon Konitsiotis ◽  
...  


Neurology ◽  
2000 ◽  
Vol 54 (2) ◽  
pp. 458-458 ◽  
Author(s):  
K. Kompoliti ◽  
Q. E. Wang ◽  
C. G. Goetz ◽  
S. Leurgans ◽  
R. Raman




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