Very good video! How much time passes between the first contact (sensitization through AG presentation to plasma cells by macrophages) to the first allergic reaction?
On the very first exposure, it would take time to produce the IGE antibodies and then they would have to bind to the mast cells. Once that occurs they would be primed and ready to be activated with a second exposure. The exact time I don’t know and I’m sure there are many variabilities like age of person, type of antigen, condition of immune system. But if you’re asking me to make an educated guess I would say on average at least 24 hour and maybe a bit longer.
The explanation is short and straight to the point with all essential info
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i watched many videos on this topic ...but this video makes may concepts thankyou
Best Explanation> Must watch for all the Trainers in pharmaceutical Industry , promoting Proton Pump Inhibitors .
REALLY I UNDERSTAND THIS TOPIC VERY GOOD AS ALWAYS I AM CONFUSED WITH HYPERSENSITIVITY
THANK YOU
thank you so much! been struggling to understand about this topic but you explain it so well :")
Absolutely brilliant
it helps a lot, Thank you from Taiwan
Best explanation !! :D
Thank you so much 😊
Great video 😉
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extremely helpful
Thank u it was very helpful 😊
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legend
My all answers are correct
Nice 👍
Thank u sir
great vid, thanks
You’re very welcome
Very good video! How much time passes between the first contact (sensitization through AG presentation to plasma cells by macrophages) to the first allergic reaction?
On the very first exposure, it would take time to produce the IGE antibodies and then they would have to bind to the mast cells. Once that occurs they would be primed and ready to be activated with a second exposure. The exact time I don’t know and I’m sure there are many variabilities like age of person, type of antigen, condition of immune system. But if you’re asking me to make an educated guess I would say on average at least 24 hour and maybe a bit longer.
best one
Thanks Sharika - much appreciated!
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Thanks so much!
Thank youuuuuu
You’re very welcome Cayley!
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Why question 4 is "A" and not "B"?
4:01 the allergen binds to two antibodies
Need more subtitle :'
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Thanks so much
The best!!! I have my exams in 10 days and im cramming rn...this video was very useful 🥹
Good luck!!
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