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Related Concept Videos

Parkinson's Disease: Treatment01:24

Parkinson's Disease: Treatment

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Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of...
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Parkinson's Disease: Overview01:15

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Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...
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Parkinson Disease l: Introduction01:24

Parkinson Disease l: Introduction

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Parkinson’s disease is a chronic, progressive neurodegenerative disorder that primarily affects movement. It is characterized by motor symptoms such as resting tremors, muscle rigidity, bradykinesia (slowness of movement), and postural instability. Patients may notice hand tremors at rest, stiffness during movement, or a shuffling gait. In addition to motor features, non-motor symptoms include sleep disturbances, mood and behavioral changes, constipation, and cognitive impairment, all of...
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Parkinson Disease ll: Pathophysiology01:24

Parkinson Disease ll: Pathophysiology

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Parkinson disease (PD) is a progressive neurodegenerative disorder primarily affecting movement, with additional non-motor features. Its pathophysiology involves complex interactions among genetic susceptibility, environmental exposures, and cellular dysfunction, including dopaminergic neuron loss, protein aggregation, and mitochondrial impairment.Selective NeurodegenerationA key feature is the degeneration of dopaminergic neurons in the substantia nigra pars compacta, leading to reduced...
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Alterations in Muscle Tone lll01:11

Alterations in Muscle Tone lll

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Rigidity and myotonia are distinct abnormalities of muscle tone that affect resistance and relaxation during movement. Although both involve altered muscle contraction, they arise from different neurological and muscular mechanisms.CharacteristicsRigidity is characterized by uniform resistance to passive movement across the entire range, independent of speed, affecting flexors and extensors equally. It may appear as lead-pipe rigidity (smooth, constant resistance) or cogwheel rigidity...
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Positive inotropic agents are commonly used as the first line of treatment for heart failure. One such agent is digoxin, derived from the genus Digitalis, which has been known for centuries but effectively utilized since 1785. However, these cardiac glycosides can have potentially toxic effects due to their mechanism of action, which involves inhibiting Na+/K+-ATPase and increasing contractility. Digoxin is absorbed orally and distributed in various tissues, including the CNS. It has a long...
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Related Experiment Video

Updated: Apr 28, 2026

Induction and Assessment of Levodopa-induced Dyskinesias in a Rat Model of Parkinson's Disease
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Creatine for Parkinson's disease.

Yousheng Xiao1, Man Luo, Hongye Luo

  • 1Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, No. 22, Shuang Yong Lu, Nanning, Guangxi, China, 530021.

The Cochrane Database of Systematic Reviews
|June 18, 2014
PubMed
Summary
This summary is machine-generated.

Creatine supplementation shows no clear benefit for Parkinson's disease (PD) patients in limited trials. Further research is needed to determine its efficacy and safety for slowing PD progression.

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Area of Science:

  • Neuroscience
  • Mitochondrial Biology
  • Neurodegenerative Disorders

Background:

  • Parkinson's disease (PD) is a common neurodegenerative disorder.
  • Mitochondrial dysfunction is implicated in PD pathogenesis.
  • Creatine may improve mitochondrial function, suggesting potential therapeutic benefits for PD.

Purpose of the Study:

  • To evaluate the efficacy and safety of creatine as a standalone or adjuvant therapy for Parkinson's disease.

Main Methods:

  • Systematic search of multiple databases including Cochrane, MEDLINE, EMBASE, and Chinese databases.
  • Inclusion of randomized controlled trials (RCTs) comparing creatine with placebo for Parkinson's disease.
  • Independent selection of trials, quality assessment, and data extraction by two reviewers.

Main Results:

  • Two RCTs with 194 patients were included, both with methodological limitations.
  • No clear evidence of creatine's effect on motor function, daily living activities, or quality of life.
  • Adverse events included gastrointestinal issues in one trial; serious events were not attributed to creatine.

Conclusions:

  • The current evidence base for creatine in Parkinson's disease is limited by bias, small sample sizes, and short trial durations.
  • Reliable treatment decisions cannot be made based on existing data.
  • Well-designed, larger, long-term RCTs are necessary to ascertain creatine's role in Parkinson's disease management.