Type IV hypersensitivity (cell-mediated) – causes, symptoms, treatment & pathology

What is type IV hypersensitivity? Type IV hypersensitivity is a T-cell-mediated hypersensitivity, meaning the inflammation and potential tissue damage is caused by either T helper cells (CD4+) or cytotoxic T cells (CD8+). Subscribe – https://goo.gl/w5aaaV. More videos – https://goo.gl/UhOKiM. Support us on Patreon – https://goo.gl/ZGHEk4.

This video covers the pathophysiology, symptoms, and several examples, including contact dermatitis as with poison ivy, as well as several other systemic diseases.

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This video was created in collaboration between Osmosis and Rush Medical College

Credits:
Script/audio/visuals: Tanner Marshall, MS
Reviewer: Rishi Desai, MD, MPH

Special thanks:
Rush Medical College
Maureen H. Richards, PhD

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