GM3-Ganglioside sodium is primarily used in research and biomedical applications due to its role in cell membrane structure and signaling. It is studied for its involvement in cellular processes such as cell adhesion, recognition, and communication. In cancer research, GM3-Ganglioside sodium is explored for its potential role in tumor progression and metastasis, as it is often found in altered states in cancer cells. Additionally, it is used in immunological studies to understand its impact on immune responses and inflammation. The compound is also being investigated for its potential therapeutic applications in neurodegenerative diseases, where ganglioside metabolism is often disrupted.