[scientizscht (OP)]

Hello

So T cells have membrane receptors that bind to specific antigens.

What happens afterwards? I assume cytokines are released by the T cell? What else is happening? Do the T cells detach or stay bound? What is their fate?

Thanks!

[Hayseed]

I have no idea.  But if I were a T cell, while attached, I would turn myself inside out, and engulf and absorb the intruder.

[Spam2 201221]

When attached to its target cell, a cytotoxic T cell can use ways to kill it, which together work by encouraging the target cell to destroy itself through apoptosis.

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[evan_au]

There are a variety of T-Cell types which work together in various ways, by:
- Killing infected cells
- Recruiting more immune cells to fight the infection
- Suppressing an overactive immune response

The different T-Cell types are most easily characterised by the T-Cell receptor proteins on their surface.
- One of these proteins, "CD4" became well-known as the key by which HIV attacks the immune system in AIDS.

See: https://en.wikipedia.org/wiki/T_cell