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Parkinson's Disease: Introduction. Progressive neurodegenerative disorder that causes motor and nonmotor dysfunctionCharacterized by loss of dopaminergic neurons in substantia nigra pars compacta1Can affect other areas of the nervous system including the autonomic2 and enteric nervous systems3-6Second most common neurodegenerative disorder after Alzheimer's disease7Affects 1 to 1.5 million people in the United States alone8-10.
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1. Module 2 Neuroprotection in Parkinson’s Disease: Are We Getting Close?
2. Parkinson’s Disease:Introduction Progressive neurodegenerative disorder that causes motor and nonmotor dysfunction
Characterized by loss of dopaminergic neurons in substantia nigra pars compacta1
Can affect other areas of the nervous system including the autonomic2 and enteric nervous systems3-6
Second most common neurodegenerative disorder after Alzheimer’s disease7
Affects 1 to 1.5 million people in the United States alone8-10
3. Braak Model for Pathologic Staging of Parkinson’s Disease Based on Lewy body localization1
Suggests that Lewy body pathology does not begin in substantia nigra1,2
Begins in dorsal motor nucleus of glossopharyngeal and vagus nerves, anterior olfactory nucleus, and enteric nerve cell plexus1,2
Proceeds in rostral direction toward neocortex1
Progression of Parkinson’s Disease may not always comply with this model5-9
4. Symptoms of Parkinson’s Disease1-5
5. Current Therapies for Parkinson’s Disease
6. Potential Premotor Biomarkers for Parkinson’s Disease (PD)
7. Imaging Biomarkers for Parkinson’s Disease (PD)
8. Neuroprotective Therapy: Definition
9. Potential Mechanisms of Neuroprotection1-3
10. Clinical Trial Strategies for Evaluation of Neuroprotection
11. Clinical Trials Investigating Potential Neuroprotective Therapies for PD
12. Delayed-Start Rasagiline Results in Smaller UPDRS Score Changes
13. Summary Because PD is a progressive disorder, early diagnosis and treatment intervention with neuroprotective therapies to slow or prevent further degeneration and to promote neuronal repair are current goals in the management of PD
The development and validation of diagnostic markers in symptom recognition and neuroimaging will aid in early diagnosis of PD
Advances in neuroimaging and development of quantitative diagnostic biomarkers will also improve evaluation of potential neuroprotective therapies