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alpha-1 antitrypsin is...

`alpha-1` antitrypsin is

A

an antacid

B

an enzyme

C

used to treat arthritis

D

used to treat emphysema

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Identify the Substance**: Alpha-1 antitrypsin is a human protein. 2. **Classify the Protein**: It belongs to the serpine superfamily, which is a group of proteins that inhibit proteases. 3. **Gene Encoding**: The protein is encoded by the Serpina-1 gene. This gene is responsible for producing the alpha-1 antitrypsin protein. 4. **Function of Alpha-1 Antitrypsin**: The primary function of alpha-1 antitrypsin is to protect the lungs from damage caused by enzymes, particularly elastase, which can break down lung tissue. 5. **Consequences of Deficiency**: A deficiency in alpha-1 antitrypsin leads to uncontrolled breakdown of lung tissue, which can result in a disease known as emphysema. 6. **Treatment for Deficiency**: To treat emphysema caused by alpha-1 antitrypsin deficiency, alpha-1 antitrypsin can be administered as a replacement therapy. 7. **Conclusion**: Therefore, alpha-1 antitrypsin is used to treat emphysema, making option D the correct answer. ---
**Step-by-Step Solution:** 1. **Identify the Substance**: Alpha-1 antitrypsin is a human protein. 2. **Classify the Protein**: It belongs to the serpine superfamily, which is a group of proteins that inhibit proteases. 3. **Gene Encoding**: The protein is encoded by the Serpina-1 gene. This gene is responsible for producing the alpha-1 antitrypsin protein. ...
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