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V

Term Definition
Valine

Amino acid found in most proteins and essential for nutrition. Restricted amino acid for patients with propionic acidemia.

Vector

A retrovirus (retroviruses are a class of RNA viruses that are capable of converting their RNA into DNA, and integrating into the host genome) or adenovirus (carrier of common viruses) that has had its own genetic material modified or removed and replaced by other genes (like those that contain instructions to make OTC enzyme). The vector can them be introduced into a patient who suffers from an enzyme deficiency, carrying the new needed genetic material into that individual.

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