How tiny chemical tags on tRNA change how cells make proteins
Official title: Determining how tRNA modifications affect translation in multiple eukaryotes
Funded at Northern Kentucky University · NIH-11360559 · Data updated 2026-11-12
This work looks at how chemical changes to tRNA affect protein production and how those changes relate to intellectual disability and type 2 diabetes.
Quick facts
| Grant type | R15 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Northern Kentucky University NIH-funded |
| Lab location | 1 site (Highland Heights, United States) |
| Project start | May 1, 2018 |
| Project end | April 30, 2029 |
| Funding year | 2026 |
| Award (this year) | $525,000 |
| NIH project number | 2R15GM128050-03 |
| Project ID | NIH-11360559 on NIH RePORTER |
Who could benefit from this research
✓Could help
People affected by type 2 diabetes, obesity, polycystic ovary syndrome, or inherited intellectual disability associated with FTSJ1/THADA variants may find these results most relevant.
✕Less likely to help
Patients with conditions unrelated to tRNA biology or those seeking immediate clinical treatments are unlikely to gain direct, near-term benefit from this basic laboratory research.
What this research studies
The project uses baker's yeast as a simple laboratory model to learn how specific chemical modifications on transfer RNA (tRNA) influence how cells read genetic code and make proteins. Researchers focus on two modification sites in the tRNA anticodon loop (positions 32 and 34) that are formed by the Trm7:Trm732 and Trm7:Trm734 complexes. Because the human equivalents of these proteins (FTSJ1 and THADA) are linked to intellectual disability and type 2 diabetes, the team hopes the yeast results will reveal molecular steps that matter in those conditions. The grant also supports undergraduate training in modern biomedical lab techniques at Northern Kentucky University.
Why it matters
Potential benefit: If successful, this work could reveal molecular mechanisms that explain how tRNA modification defects contribute to intellectual disability and type 2 diabetes, suggesting targets for future diagnostics or therapies.
How similar studies have gone: Prior studies have linked tRNA modification defects to neurological and metabolic disorders, but many detailed mechanistic links remain novel and underexplored.
Where this research is happening
-
Northern Kentucky University
Highland Heights, United States Active
Researchers
- Principal investigator: Guy, Michael P. — Northern Kentucky University
- Study coordinator: Guy, Michael P.
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About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page.