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RESEARCH

1. Utilizing Specialized CRISPR Technologies for Genome Diversification

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While there is a significant emphasis on enhancing genome editors for the precise introduction of specific mutations, CRISPR can also be utilized to create targeted genetic diversity. In this process, CRISPR generates a wide array of different alleles at a specified location in the genome. These diversity-generating technologies enable us to identify de novo mutations and alleles with tailored activities, even without prior knowledge of the beneficial allele. In the realm of biomedical research, these technologies can aid functional genomics studies to identify and comprehend mutations in key proteins that cause diseases.

 

In pursuit of this goal, we are working on the development of novel base editors with an expanded mutagenic scope. We employ various protein engineering strategies to maximize their mutagenic potential, particularly in mammalian cells.

2. Engineering Enhanced Stability of Macromolecules in Mammalian Cells

Engineered macromolecules, including RNAs and proteins, are increasingly becoming a vital component of human therapeutics. They provide an unparalleled capability to modulate biological processes such as protein-protein interactions. However, RNAs and proteins must navigate a hostile cellular environment where they are constantly recognized and degraded. This makes it challenging for functional macromolecules to accumulate at a concentration high enough in the cell to yield therapeutic benefits.

 

Recent advancements in proteomics, genomics, and epigenomics have significantly enhanced our understanding of the factors that influence the intracellular stability of biomolecules. However, we have yet to effectively integrate these insights to create more potent functional biomolecules. To address this challenge, we are employing high-throughput strategies to create custom-stabilized RNAs and proteins and demonstrate their effectiveness in various biological contexts. Progress in this research area will lead to the establishment of general biomolecule design principles that will drive the development of the next generation of macromolecular therapeutics.

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Funding Sources

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