Which diseases are associated with transport proteins?

Transport proteins play a crucial role in the movement of substances across cell membranes, including ions, nutrients, and waste products. When these proteins are dysfunctional or when there are genetic mutations affecting them, various diseases can arise that are directly linked to their transport functions.

For instance, conditions such as cystic fibrosis result from defective chloride channels, which are a type of transport protein, leading to severe respiratory issues. Similarly, diseases like Wilson's disease involve the improper handling of copper ion transport in the body.

Choosing the option that directly references diseases associated with transport proteins acknowledges that there is a specific category of diseases characterized by their relationship to the malfunctioning of these proteins. This signifies a fundamental understanding of the pathophysiology of such diseases, as they highlight how critical transport proteins are to maintaining cellular and overall homeostasis.