Frequently Asked Questions about the Immune System’s Layered Defense for the Aim of Understanding Immunotherapy.

If you’re aiming for the complete understanding of the medical field of immunotherapy, understanding how the immune system works is essential for you to understand , because immunotherapy is totally about the exploitation of the natural immune responses through different agents to leads to the results that would help the body deal with pathogens and eliminate them. And thus in this Q&A we’ll learn about the layered defense of the immune system.

So what is the immune system and its main function?

It’s a biological system that consists of many processes and events that are responsible mainly for protecting the body from any form of foreign invader or even imbalanced chemicals that are deemed harmful to the body, and thus it’s an integral part to insure the survival of any living organism.

Is it present in any organism?

Yes even in unicellular organisms like bacteria they have enzymes that protect them from bacteriophages.

And how does the immune system go about such protection?

It carries it out through a progressive defense system, which increases in specificity and proactivity as the complexity of the pathogen increases.

Could you explain this in more detail?

Sure, let’s say there are pathogens for example like viruses or bacteria have presented themselves and started to attack the cells of the body, there are physical barriers that prevent them from that naturally, but if they manage to break through these main barriers, then what is called the innate immune system activates and attacks them immediately but doesn’t go about it in a very specific/targeted manner (this occurs in plants & animals).

And if such defense wasn’t effective at eradicating these pathogens , then the immune system  goes further in specificity and activates the adaptive immune system through an innate immune response that goes about specifically eradicating these bacteria or viruses through their antigens and it can also adapt to them changing or mutating and then it can eliminate them .And then the acquirement of this information to help in future cases is saved in memory cells , and that leads to the increase in effectiveness & speed when dealing with the same pathogens in the future .

And thus this concludes our basic Q&A on the layered progressive defense mechanism functions of the immune system and why understanding this is imperative to understanding immunotherapy.

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