Which chemical agents are designed to interfere with protein synthesis?

The correct choice focuses on hormonal agents as a type of therapy that can influence protein synthesis indirectly. Hormonal agents, such as steroids, can modulate gene expression and therefore affect the synthesis of proteins within cancer cells. This can be significant in the management of certain types of cancers that are hormone-sensitive, like some breast or prostate cancers. By interacting with hormone receptors, these agents can initiate or inhibit processes that lead to changes in protein production, contributing to the overall treatment strategy.

In contrast, other categories like angiogenesis inhibitors primarily aim to block the formation of new blood vessels, thus starving tumors of necessary nutrients and oxygen without directly affecting protein synthesis. Antimetabolites disrupt the metabolic processes that are crucial for DNA and RNA synthesis rather than directly targeting proteins. Plant alkaloids target cellular structures like microtubules during cell division, which can affect cellular function but do not specifically target protein synthesis mechanisms directly. Each of these agents has distinct mechanisms of action that do not involve the direct interference with protein synthesis in the way hormonal agents can.