Is Sars-Cov2 cytolytic or cytopathic?

In summary, viral infections can result in cellular damage, either cytolytic or cytopathic. The Sars-cov2 virus specifically causes damage through ACE2 receptors and subsequent oxidative stress, leading to clotting, inflammation, and ultimately destruction of alveoli in the lungs. This results in a lack of oxygen uptake and can ultimately lead to death. The classification of the damage as either cytolytic or cytopathic is not helpful, as both can occur. The virus kills and bursts host cells, which can then cause further damage by preventing the formation of regulating proteins.
  • #1
mktsgm
145
22
TL;DR Summary
Is the current Covid-19 caused by Sars-cov2 virus is theresult of cytolytic effects or cytopathic effects of the virus?
We know viral infections result in cellular damage while they're replicating in the host cells.. Damage can be cytolytic or cytopathic.

I want to know how Sars-cov2 causes such damage? Is it cytopathic or cytolytic? Do they (viruses) kill the host cells or just damage them?
 
Biology news on Phys.org
  • #2
Sometimes when you try to classify something it is not helpful. People feel better when they can assign a classification to some phenomenon. But that does not mean it creates a real understanding. I think this applies here.

A short really simplified answer to what is happening involves ACE2 receptors. Then subsequent oxidative stress. This triggers clotting, all in the context inflammation, a "cytokine storm", arterial blockage, and ultimately destruction of alveoli (sacs) in the lungs, all of which then causes the patient to die from lack oxygen uptake.

Actually this description is almost a disservice. Too high level. I've gone through 8 hours of medical lectures to get a partial understanding. To make matters worse, our current understanding not complete.

So in terms of your classification question: both are true. Which is not helpful, IMO.
Cells are killed and burst by the virus takeover of the cell. Bad. Worse: that cell death causes horrible subsequent other cell pathology by preventing regulating proteins from forming - ex., Angiotensin 1,7 is one.
 
Last edited:
  • #3
Thank you Jim. Clear as crystal. This is what I wanted.
 

1. Is Sars-Cov2 cytolytic or cytopathic?

The Sars-Cov2 virus is considered to be both cytolytic and cytopathic. This means that it can cause cell death and damage to the host cell's structure.

2. How does Sars-Cov2 cause cell damage?

Sars-Cov2 uses its spike proteins to attach to receptors on the host cell's surface and then enters the cell. Once inside, it replicates and produces more virus particles, which can cause cell death or damage to the cell's structure.

3. What is the difference between cytolytic and cytopathic viruses?

Cytolytic viruses cause cell lysis or death, while cytopathic viruses can cause damage to the cell's structure without necessarily causing cell death. Sars-Cov2 is considered to be both cytolytic and cytopathic.

4. How does the cytolytic nature of Sars-Cov2 contribute to its pathogenicity?

The cytolytic nature of Sars-Cov2 means that it can cause cell death, leading to tissue damage and inflammation. This can contribute to the severity of symptoms and the progression of the disease.

5. Can Sars-Cov2 be treated differently depending on whether it is cytolytic or cytopathic?

Currently, there is no specific treatment for the cytolytic or cytopathic nature of Sars-Cov2. However, understanding these aspects of the virus can help in developing potential treatments or vaccines in the future.

Similar threads

  • Biology and Medical
Replies
5
Views
1K
  • Biology and Medical
Replies
2
Views
699
  • Biology and Medical
Replies
1
Views
1K
  • Biology and Medical
Replies
4
Views
1K
  • Biology and Medical
Replies
4
Views
1K
  • Biology and Medical
Replies
1
Views
981
Replies
7
Views
2K
  • Biology and Medical
3
Replies
74
Views
9K
  • Biology and Medical
Replies
2
Views
1K
Replies
3
Views
1K
Back
Top