BCAN's Funded Research Awards

Andrew Hsieh, MD

Professor & Associate Director, Human Biology & Clinical Research Divisions

Institution:
Fred Hutchinson Cancer Center

Research:

Chromatin modifiers and mRNA translation in bladder cancer heterogeneity.

Summary:

What the Study Is

Bladder cancer is one of the most common cancers in the United States. One reason it occurs so often is that the bladder is regularly exposed to harmful substances, such as chemicals from tobacco, certain herbs, and industrial products. These harmful substances can damage the DNA inside bladder cells, causing mutations. Because there are so many different kinds of mutations, bladder cancer can vary greatly from one person to another. This mix of changes—called heterogeneity—makes it harder to find one treatment that works for everyone.

This study looks at how these mutations form and how they affect the way bladder cancer grows. The research especially focuses on a gene called ARID1A, which helps control how DNA is organized inside cells. When this gene is damaged, it can upset how cells grow and function, leading to more diversity among cancer cells. Tumors with ARID1A mutations seem to react strongly to certain medicines that stop protein production, making those drugs possible treatment options.

What the Study Proposes to Do

The research team plans to explore how mutations in ARID1A and other similar genes cause cancer cells to behave differently. They will use advanced techniques in mouse models to see how these genetic changes create diverse groups of tumor cells and how that diversity affects cancer growth and response to treatment. The researchers will also test a new drug that blocks protein production to see if it can make tumors less varied and easier to treat.

Why This Research Is Important

Understanding why bladder cancer cells become so different from one another is key to improving treatment. When tumors are made up of many types of cells, some of them may resist current treatments and continue to grow. By uncovering how this diversity starts and testing ways to stop it, this research could lead to new, more effective therapies. These discoveries have the potential to help people with advanced or treatment-resistant bladder cancer live longer and have better outcomes.

Citations:

None Reported as of August 2025

Additional Research:

None Reported as of August 2025

Project Collaborators:

NA

Project Status:
Active