A deficiency of which protein causes emphysema?

Name: A deficiency of which protein causes emphysema?
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Question

Quizplus · Accepted Answer

Emphysema is caused by the destruction of alveolar walls in the lungs, often associated with smoking. Alpha 1-antitrypsin is a protein that helps protect lung tissue from damage by neutrophil elastase, an enzyme that breaks down elastin in the lungs. A deficiency in this protein can lead to an excess of the enzyme and subsequent destruction of lung tissue, leading to emphysema.

A Deficiency of Which Protein Causes Emphysema