The discovery of the HTT gene paved the way for genetic testing, allowing individuals at risk for HD to determine their genetic status, which had significant implications for family planning and life choices. It also prompted further research into the mechanisms underlying the disease. Over the years, researchers have delved deep into the HTT gene and the protein it encodes, called huntingtin. This protein's exact function in the human body is not yet fully understood but is believed to play a role in neuronal development and maintenance. 

In addition to genetic testing, the study of the HTT gene has led to the development of potential treatments for Huntington's disease. Some therapeutic approaches focus on reducing the production of mutant huntingtin protein, while others aim to mitigate its toxic effects.

The history of the HTT gene is a testament to human ingenuity and determination. The discovery of this gene and the subsequent research have deepened our understanding of Huntington's disease, provided valuable tools for diagnosis, and opened the door to potential treatments. While there is still much to learn about the HTT gene, the journey thus far has been filled with hope for those affected by this devastating condition. As science continues to advance, we can look forward to a future where Huntington's disease may no longer hold a fearsome grip on individuals and their families.