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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...
Human Genetics01:28

Human Genetics

Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
Principles of Pharmacogenetics: Types of Genetic Variants01:27

Principles of Pharmacogenetics: Types of Genetic Variants

The human genome is over 99.9% identical between individuals, yet genetic differences exist at millions of bases. The human genome contains approximately 3 million variant positions per individual, many of which are heterozygous, contributing to genetic diversity and individual traits. Genetic variations include single-nucleotide polymorphisms (SNPs), insertions, deletions, and copy number variations (CNVs).SNPs, the most common variation, involve single-base changes in DNA. These can be...

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Related Experiment Video

Updated: Jul 7, 2026

Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease
08:09

Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease

Published on: January 7, 2014

Parkinson's disease: a genetic perspective.

Andrea C Belin1, Marie Westerlund1

  • 1Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden.

The FEBS Journal
|February 19, 2008
PubMed
Summary

Parkinson's disease (PD) involves genetic factors, with rare monogenic forms and multiple risk factors contributing to common PD. Understanding these genetic pathways is crucial for explaining neurodegeneration in PD.

Area of Science:

  • Neuroscience
  • Genetics
  • Molecular Biology

Background:

  • Parkinson's disease (PD) is a prevalent neurodegenerative disorder affecting over 1% of individuals aged 65 and older.
  • While rare forms of PD are monogenic (5-10% of cases), evidence suggests multiple genetic factors influence common PD.
  • Thirteen genetic loci (PARK1-13) have been associated with rare autosomal dominant and recessive PD, with genes identified at six loci.

Purpose of the Study:

  • To review the current understanding of the molecular genetics of Parkinson's disease.
  • To elucidate the genetic pathways contributing to neurodegeneration in various forms of PD.

Main Methods:

  • Review of identified genetic loci and associated genes for familial and sporadic Parkinson's disease.
  • Analysis of mutations linked to both rare familial and common idiopathic PD forms.

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The Use of Primary Human Fibroblasts for Monitoring Mitochondrial Phenotypes in the Field of Parkinson's Disease
15:09

The Use of Primary Human Fibroblasts for Monitoring Mitochondrial Phenotypes in the Field of Parkinson's Disease

Published on: October 3, 2012

Related Experiment Videos

Last Updated: Jul 7, 2026

Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease
08:09

Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease

Published on: January 7, 2014

The Use of Primary Human Fibroblasts for Monitoring Mitochondrial Phenotypes in the Field of Parkinson's Disease
15:09

The Use of Primary Human Fibroblasts for Monitoring Mitochondrial Phenotypes in the Field of Parkinson's Disease

Published on: October 3, 2012

  • Synthesis of current knowledge on genetic risk factors and their role in PD pathogenesis.

    • Main Results:

    • Six of the thirteen identified PARK loci have associated genes, with mutations linked to familial PD.
    • Genes implicated in familial PD, such as SNCA, UCH-L1, PINK1, and LRRK2, are also associated with sporadic PD.
    • Multiple genetic risk factors interact to modulate PD risk, highlighting complex causative pathways.

    Conclusions:

    • Genetic factors play a significant role in both rare and common forms of Parkinson's disease.
    • Identifying and understanding these genetic risk factors is essential for unraveling the causative pathways of PD.
    • This review provides insights into the molecular genetics of PD, aiding in the explanation of neurodegenerative processes.