Related Experiment Video
Updated: Jan 26, 2026

11:05
Analysis of Oxidative Stress in Zebrafish Embryos
Published on: July 7, 2014
38.1K
Crosstalk between Oxidative Stress and Tauopathy
Md Mamunul Haque1, Dhiraj P Murale2, Yun Kyung Kim3,4
1Molecular Recognition Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Korea. mamun@chembiol.re.kr.
International Journal of Molecular Sciences
|April 25, 2019
Summary
Reactive oxygen species (ROS) are linked to tauopathy, a brain disease. This review explores how ROS contribute to tau pathology and discusses antioxidants as potential treatments.
Area of Science:
- Neuroscience
- Biochemistry
Background:
- Tauopathy involves pathological tau protein modifications.
- Reactive oxygen species (ROS) are increasingly recognized for their role in tauopathy.
- Oxidative stress (OS) arises from an imbalance between ROS production and antioxidant defenses.
Purpose of the Study:
- To review the chemical nature of ROS.
- To elucidate the specific roles of ROS in tauopathy.
- To explore the connection between OS and tauopathies.
Main Methods:
- Literature review of studies on ROS and tauopathy.
- Analysis of the biochemical mechanisms linking ROS to tau modifications.
- Examination of evidence for ROS upregulation in tauopathy patients.
Main Results:
- ROS directly promote tau modifications.
- Elevated ROS levels are observed in the brains of tauopathy patients.
- Antioxidants show potential as therapeutic agents for tauopathy.
Conclusions:
- There is a significant link between oxidative stress and tauopathies.
- Understanding ROS in tauopathy is crucial for developing effective treatments.
- Further research into ROS and antioxidant therapies is warranted.
Related Concept Videos
Oxidation Numbers
42.3K
In redox reactions, the transfer of electrons occurs between reacting species. Electron transfer is described by a hypothetical number called the oxidation number (or oxidation state). It represents the effective charge of an atom or element, which is assigned using a set of rules.
42.3K
Pyruvate Oxidation
168.5K
After glycolysis, the charged pyruvate molecules enter the mitochondria via active transport and undergo three enzymatic reactions. These reactions ensure that pyruvate can enter the next metabolic pathway so that energy stored in the pyruvate molecules can be harnessed by the cells.
First, the enzyme pyruvate dehydrogenase removes the carboxyl group from pyruvate and releases it as carbon dioxide. The stripped molecule is then oxidized and releases electrons, which are then picked up by NAD+...
First, the enzyme pyruvate dehydrogenase removes the carboxyl group from pyruvate and releases it as carbon dioxide. The stripped molecule is then oxidized and releases electrons, which are then picked up by NAD+...
168.5K
Oxidation-Reduction Reactions
75.3K
Oxidation–Reduction Reactions
75.3K
Responses to Salt Stress
14.5K
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
14.5K
Responses to Heat and Cold Stress
14.7K
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
14.7K
General State of Stress
634
The general state of stress within a material can be accurately depicted using a stress tensor. This tensor encapsulates the internal forces distributed within a material subjected to external forces or deformations.
Specifically, consider a tetrahedral element where one face, labeled XYZ, is perpendicular to the line OA, and the remaining faces align with the coordinate axes with point O as the origin. At any point, such as point O, the stress tensor can be used to determine the stress...
Specifically, consider a tetrahedral element where one face, labeled XYZ, is perpendicular to the line OA, and the remaining faces align with the coordinate axes with point O as the origin. At any point, such as point O, the stress tensor can be used to determine the stress...
634

