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Microscopic Battlefield

If you listen really closely, you can hear the action in the video above:

Nom nom nom ! Me cytotoxic T cell! Imma eat you, diseased and/or infected cell! I will use my T cell receptors to sniff you out, I will! Each of us killer T cells have receptors that are specific to one type of molecule that the immune system doesn’t like. Mine say I don’t like YOU, antigen-presenting cell. You just hold da antigen up there in your MHC molecule on the surface like big red flag that says “Hey you hungry killer T cell, you needa come EAT ME” and dat’s just what I’ll do. I ready to kill!

Might have virus or bacteria inside you or you may be cancer and body wants to get rid of you like old Chinese take-out in back of fridge! I crawl up with big belly full of proteins that I spit at you and turn your cell membrane to Swiss cheese. I no let you die honorable death, instead I set off self-destruct time bomb of apoptosis inside you and you die from inside out. I cold-hearted like that.

Me cytotoxic T cell, and me so bad-ass that they named guy from A-Team after me … “Mr. something”, me forget. Scientists try to give me superpowers so I can pick out cancer cell and kill it without hurting rest of cell, like ninja. 

Hardcore.

(via Open Culture)

Source: openculture.com

    • #science
    • #biology
    • #immune system
    • #video
    • #t cell
    • #cytotoxic t cell
  • 4 months ago
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121 Notes/ Hide

  1. duhengcheung likes this
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  9. alltreesclaptheirhands reblogged this from sagansense
  10. iamenimlusus reblogged this from sagansense and added:
    Tiny bad-arse ninja T-cell…*sings in TMNT theme*
  11. picaq reblogged this from jtotheizzoe
  12. iamenimlusus likes this
  13. karlcatalon reblogged this from sagansense
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  19. maya-papaya reblogged this from jtotheizzoe and added:
    This is totally how I study :)
  20. apopyasy reblogged this from jtotheizzoe and added:
    What is even better is bacteria don’t just statically invade, they listen, adapt, hide, and even engage in subterfuge.
  21. hydroxylradicals likes this
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  35. gooseandjewels likes this
  36. thebioconnection reblogged this from jtotheizzoe and added:
    I no let you die honorable death
  37. bearberries likes this
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  39. nukaquantumshake reblogged this from jtotheizzoe and added:
    I remember my first rodeo.
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  46. perler1221 reblogged this from jtotheizzoe and added:
    Intense. You go Killer T-Cell.
  47. castdejanette likes this
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I'm Joe Hanson, Ph.D. biologist and host/writer of PBS Digital Studios' It's Okay To Be Smart. Check out my "Episode Extras" here. There's a lot of amazing science out there. Let's go discover it together.

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