Epidermal Growth Factor Related Transforming Growth Factor (EGF-TGF) is a protein that plays an important role in various cellular processes such as cell growth, proliferation, and differentiation. However, when looking for antonyms for this term, it is important to note that antonyms are words that have opposite meanings. Therefore, rather than looking for antonyms for EGF-TGF, it would be more appropriate to search for synonyms, which are words that have similar meanings. Some of the synonyms for EGF-TGF include Epidermal Growth Factor (EGF), Transforming Growth Factor (TGF), and Growth Factor. These proteins have different functions and play distinct roles in various cellular processes.