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Abstract
Determining whether the RNA isoforms from medically relevant genes have distinct functions could facilitate direct targeting of RNA isoforms for disease treatment. Here, as a step toward this goal for neurological diseases, we sequenced 12 postmortem, aged human frontal cortices (6 Alzheimer disease cases and 6 controls; 50% female) using one Oxford Nanopore PromethION flow cell per sample. We identified 1,917 medically relevant genes expressing multiple isoforms in the frontal cortex where 1,018 had multiple isoforms with different protein-coding sequences. Of these 1,018 genes, 57 are implicated in brain-related diseases including major depression, schizophrenia, Parkinson’s disease and Alzheimer disease. Our study also uncovered 53 new RNA isoforms in medically relevant genes, including several where the new isoform was one of the most highly expressed for that gene. We also reported on five mitochondrially encoded, spliced RNA isoforms. We found 99 differentially expressed RNA isoforms between cases with Alzheimer disease and controls.
| Original language | English |
|---|---|
| Article number | 177 |
| Pages (from-to) | 635-646 |
| Number of pages | 12 |
| Journal | Nature Biotechnology |
| Volume | 43 |
| Issue number | 4 |
| DOIs | |
| State | Published - Apr 2025 |
Bibliographical note
Publisher Copyright:© The Author(s) 2024.
Funding
This work was supported by: the National Institutes of Health (NIH; grant nos. R35GM138636, R01AG068331 to M.T.W.E. and 5R50CA243890 to S.G.); the BrightFocus Foundation (grant no. A2020161S to M.T.W.E.), Alzheimer’s Association (grant no. 2019-AARG-644082 to M.T.W.E.), PhRMA Foundation (grant no. RSGTMT17 to M.T.W.E.); the Ed and Ethel Moore Alzheimer’s Disease Research Program of Florida Department of Health (grant nos. 8AZ10 and 9AZ08 to M.T.W.E. and 6AZ06 to J.D.F.); and the Muscular Dystrophy Association (to M.T.W.E.). We appreciate the contributions of the Sanders-Brown Center on Aging at the University of Kentucky. We are deeply grateful to the research participants and their families who made this research possible. We thank S. L. Anderson from the University of Kentucky brain bank for preparing the brain samples used in the present study. We thank the University of Kentucky Center for Computational Sciences and Information Technology Services Research Computing for their support and use of the Morgan Compute Cluster and associated research computing resources. We thank Singularity Sylabs for providing support and extra cloud storage for our software containers. We are grateful for support from the Goeke lab members who quickly and thoroughly answered our numerous questions about bambu on GitHub. We thank T. Wendt Viola, R. Grassi-Oliveira and C. Walss-Bass for guidance and help in the early stages of the proteomics analysis. We thank the reviewers for their sincere and meaningful contributions to improving the quality of the manuscript. The results published in the present study are in part based on data obtained from the AD Knowledge Portal. Short-read RNA-seq data used for crossvalidation of results in the present study were provided by the Rush Alzheimer’s Disease Center, Rush University Medical Center, Chicago. Rush Alzheimer’s Disease Center data collection was supported through funding by National Institute on Aging (grant nos. P30AG10161 (ROS), R01AG15819 (ROSMAP; genomics and RNA-seq), R01AG17917 (MAP) and RC2AG0365 (RNA-seq)).
| Funders | Funder number |
|---|---|
| RNA-seq | |
| Muscular Dystrophy Association | |
| BrightFocus Foundation | A2020161S |
| National Institute on Aging | RC2AG0365, P30AG10161, R01AG17917, R01AG15819 |
| Alzheimer's Association | 2019-AARG-644082 |
| Pharmaceutical Research and Manufacturers of America Foundation | RSGTMT17 |
| National Institutes of Health (NIH) | 5R50CA243890, R35GM138636, R01AG068331 |
| Ed and Ethel Moore Alzheimer’s Disease Research Program of Florida Department of Health | 6AZ06, 8AZ10, 9AZ08 |
ASJC Scopus subject areas
- Biotechnology
- Bioengineering
- Applied Microbiology and Biotechnology
- Biomedical Engineering
- Molecular Medicine
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- 2 Active
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S'ORCe Collaborative Group (RENEWED)
Fardo, D. (PI), Ebbert, M. T. W. (CoPI), Katsumata, Y. (CoI), Miller, J. (CoI), Zhang, X. (CoI), O'Hara, B. (CoI), Messaoudi Powers, I. (CoI), Nikolajczyk, B. (CoI), Liu, J. (CoI), Jakubek Swartzlander, Y. (CoI) & Steely, C. (CoI)
University of Kentucky Neuroscience Research Priority Area
7/1/23 → …
Project: Research project
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Statistical ‘Omics Research Collaborative (S'ORCe)
Fardo, D. (PI), Ebbert, M. T. W. (CoPI), Katsumata, Y. (CoI), Miller, J. (CoI), Zhang, X. (CoI), O'Hara, B. (CoI), Messaoudi Powers, I. (CoI), Nikolajczyk, B. (CoI), Liu, J. (CoI), Jakubek Swartzlander, Y. (CoI) & Steely, C. (CoI)
University of Kentucky Neuroscience Research Priority Area
7/1/22 → …
Project: Research project