Related Experiment Video

Updated: Nov 22, 2025

Author Spotlight: Establishing a New Fluorescence-Based Protocol for In Vivo Mitochondrial Morphology Analysis in Parkinson's Disease
06:07

Author Spotlight: Establishing a New Fluorescence-Based Protocol for In Vivo Mitochondrial Morphology Analysis in Parkinson's Disease

Published on: June 23, 2023

1.9K

How microcompetition with latent viruses can cause α synuclein aggregation, mitochondrial dysfunction, and eventually

Hanan Polansky1, Gillad Lori2

  • 1The Center for the Biology of Chronic Disease (CBCD), 3 Germay Dr, Wilmington, DE, 19804, USA. hpolansky@cbcd.net.

Journal of Neurovirology
|January 6, 2021
PubMed

Insights

Latent viruses may cause Parkinson's disease by triggering mitochondrial dysfunction and alpha-synuclein aggregation. This microcompetition model offers a new perspective on Parkinson's disease etiology.

Area of Science:

  • Neuroscience
  • Virology
  • Cellular Biology

Background:

  • Parkinson's disease (PD) etiology remains largely unknown.
  • Key cellular pathologies in PD include mitochondrial dysfunction and alpha-synuclein (α-synuclein) misfolding and aggregation.
  • These abnormalities are critical in the progression of neurodegeneration in PD.

Purpose of the Study:

  • To investigate the potential role of latent viruses in the pathogenesis of Parkinson's disease.
  • To elucidate the mechanism by which viral infections could lead to PD-associated cellular dysfunction.
  • To present a novel hypothesis for PD causation using a microcompetition model.

Main Methods:

  • Utilized a microcompetition model to simulate disease processes.
  • Focused on the interaction between latent viral infections and cellular mechanisms.
  • Analyzed the potential for viruses to induce mitochondrial dysfunction and α-synuclein aggregation.

Main Results:

  • The microcompetition model demonstrated that latent viruses can induce mitochondrial dysfunction.
  • The model showed that viral activity leads to excess α-synuclein aggregation.
  • These virus-induced cellular changes are consistent with those observed in Parkinson's disease.

Conclusions:

  • Latent viral infections are a potential etiological factor in Parkinson's disease.
  • Viral-induced mitochondrial dysfunction and α-synuclein aggregation offer a plausible mechanism for PD development.
  • This research provides a new framework for understanding and potentially treating Parkinson's disease.
Keywords:
AutophagyDopaminergic neuronsGABPLatent virusMicrocompetitionMitochondrial dysfunctionParkinson’s diseaseSusbstantia nigrap300/cbpα synuclein

More Related Videos

Analyzing the Parkinson's Disease Mouse Model Induced by Adeno-associated Viral Vectors Encoding Human α-Synuclein14:45

Analyzing the Parkinson's Disease Mouse Model Induced by Adeno-associated Viral Vectors Encoding Human α-Synuclein

Published on: July 29, 2022

6.3K
Interactions with and Membrane Permeabilization of Brain Mitochondria by Amyloid Fibrils15:04

Interactions with and Membrane Permeabilization of Brain Mitochondria by Amyloid Fibrils

Published on: September 28, 2019

6.2K

Related Concept Videos

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...
1.2K
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.
42.0K
Lysosomal Hydrolases01:22

Lysosomal Hydrolases

Lysosomes are the site for the degradation of macromolecules and biological polymers released during membrane trafficking events such as secretory, endocytic, autophagic, and phagocytic pathways. The membrane-enclosed area of the lysosome, called the lumen, contains hydrolytic enzymes active in an acidic environment. These acid hydrolases are functional at a pH between 4.5 and 5 and are involved in cellular processes such as cell signaling, energy metabolism, restoration of the plasma membrane,...
4.2K
ATP Synthase: Mechanism01:48

ATP Synthase: Mechanism

In animals, the mitochondrial F1F0 ATP synthase is the key protein that synthesizes ATP molecules through a complex catalytic mechanism. While the nuclear genome encodes the majority of ATP synthase subunits, the mitochondrial genome encodes some of the enzyme's most critical components. The formation of this multi-subunit enzyme is a complex multi-step process regulated at the level of transcription, translation, and assembly. Defects in one or more of these steps can result in decreased...
16.0K
Amyloid Fibrils03:03

Amyloid Fibrils

Amyloid fibrils are aggregates of misfolded proteins.  Under most circumstances, misfolded proteins are either refolded by chaperone proteins or degraded by the proteasome. However, in the case of a mutation or a disease, these proteins can accumulate to form large clusters and often further assemble to form elongated fibers, called fibrils. 
Amyloid deposits were observed as early as 1639 in the liver and the spleen.   In 1854, Rudolph Virchow performed iodine staining,...
11.2K
Mitochondrial Membranes01:45

Mitochondrial Membranes

A single mitochondrion is a bean-shaped organelle enclosed by a double-membrane system. The outer membrane of mitochondria is smooth and contains many porins - the integral membrane transporters. Porins enable free diffusion of ions and small uncharged molecules through the outer mitochondrial membrane but limit the transport of molecules larger than 5000 Daltons. Further, the outer mitochondrial membrane forms a unique structure called membrane contact sites with other subcellular organelles,...
15.3K