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Related Concept Videos

Parkinson Disease l: Introduction01:24

Parkinson Disease l: Introduction

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 which...
Parkinson Disease ll: Pathophysiology01:24

Parkinson Disease ll: Pathophysiology

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...
Parkinson's Disease: Overview01:15

Parkinson's Disease: Overview

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 to...
Parkinson's Disease: Treatment01:24

Parkinson's Disease: Treatment

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 its...
Cell Specific Gene Expression01:58

Cell Specific Gene Expression

Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
Neural Regulation01:37

Neural Regulation

Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.

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Updated: Jun 1, 2026

Phenotypic Profiling of Human Stem Cell-Derived Midbrain Dopaminergic Neurons
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Published on: July 7, 2023

ParkDB: a Parkinson's disease gene expression database.

Cristian Taccioli1, Jesper Tegnér, Vincenza Maselli

  • 1UCL, Department of Cancer Biology, University College London, Gower Street, London, UK.

Database : the Journal of Biological Databases and Curation
|May 20, 2011
PubMed
Summary
This summary is machine-generated.

Parkinson's disease (PD) gene expression is now queryable via ParkDB. This database aids researchers in understanding neurodegeneration by analyzing curated microarray datasets for PD and neuron differentiation.

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Application of a C. elegans Dopamine Neuron Degeneration Assay for the Validation of Potential Parkinson's Disease Genes
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Related Experiment Videos

Last Updated: Jun 1, 2026

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Published on: July 7, 2023

Application of a C. elegans Dopamine Neuron Degeneration Assay for the Validation of Potential Parkinson's Disease Genes
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Human Peripheral Blood Neutrophil Isolation for Interrogating the Parkinson's Associated LRRK2 Kinase Pathway by Assessing Rab10 Phosphorylation
12:49

Human Peripheral Blood Neutrophil Isolation for Interrogating the Parkinson's Associated LRRK2 Kinase Pathway by Assessing Rab10 Phosphorylation

Published on: March 21, 2020

Area of Science:

  • Neuroscience
  • Genomics
  • Bioinformatics

Background:

  • Parkinson's disease (PD) is a neurodegenerative disorder primarily affecting motor function due to dopaminergic neuron loss.
  • The molecular mechanisms driving PD neurodegeneration remain incompletely understood.

Purpose of the Study:

  • To introduce ParkDB, the first queryable database for gene expression in Parkinson's disease.
  • To provide a resource for identifying and comparing gene expression signatures in PD and dopaminergic neuron differentiation.

Main Methods:

  • Compilation and re-analysis of curated microarray datasets relevant to PD.
  • Annotation of datasets to facilitate comparative analysis.
  • Development of a queryable database interface (ParkDB).

Main Results:

  • ParkDB offers a comprehensive collection of re-analyzed, curated, and annotated microarray data for PD.
  • The database allows for the identification of gene expression patterns across different biological conditions and species.
  • Enables comparison of expression signatures between PD and dopaminergic neuron differentiation.

Conclusions:

  • ParkDB serves as a valuable resource for researchers investigating the molecular basis of Parkinson's disease.
  • Facilitates the discovery of key molecular events in neurodegeneration and neuron development.
  • Supports cross-species and cross-condition comparative transcriptomic studies in PD research.