Novel biomolecular information in rotenone-induced cellular model of Parkinson's disease

D Lin1, Y Liang1, D Zheng1

  • 1Department of Neurology, The Sun Yat-sen Memorial Hospital of Sun Yat-sen University, 107 Yanjiang West Road, Guangzhou 510080,China.

Gene
|January 15, 2018
PubMed

Insights

Researchers identified key genes involved in Parkinson's disease (PD) pathogenesis using a rotenone-induced cellular model. This study highlights potential new therapeutic targets for PD by examining differentially expressed genes and their roles in cellular stress and protein processing.

Area of Science:

  • Neuroscience
  • Genetics
  • Molecular Biology

Background:

  • Parkinson's disease (PD) pathogenesis involves complex genetic and molecular pathways.
  • Identifying novel pathogenic genes and molecular processes is crucial for understanding PD progression.

Purpose of the Study:

  • To uncover pathogenic genes and molecular pathological processes in Parkinson's disease (PD).
  • To investigate gene expression changes in a rotenone-induced cellular PD model.

Main Methods:

  • Microarray analysis was performed on a cellular PD model induced by rotenone.
  • Gene Ontology (GO) analysis, pathway analysis, and protein-protein interaction (PPI) network analysis were employed.
  • Differentially expressed genes (DEGs) were screened and analyzed.

Main Results:

  • 2174 genes exhibited differential expression in the rotenone-induced PD model compared to controls.
  • Enriched gene sets were associated with cell cycle, apoptosis, organelle fusion, mitochondrial damage, and endoplasmic reticulum (ER) stress.
  • Genes involved in cell cycle and ER protein processing, including EDEM1, ATF4, and TRAF2, were identified as potentially central to protein misfolding in PD.

Conclusions:

  • The study identified significant differentially expressed genes and pathways implicated in Parkinson's disease.
  • EDEM1, ATF4, and TRAF2 are predicted to play critical roles in protein misfolding during PD progression.
  • These genes represent potential future research focus and therapeutic targets for Parkinson's disease.

Related Concept Videos

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.
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...
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...