WILLIAM S. BUSH, PHD, MS

Associate Director for Bioinformatics Research

William S. Bush, PhD, MS, is Associate Professor in the Department of Population and Quantitative Health Sciences and the Cleveland Institute for Computational Biology at Case Western Reserve University. Dr. Bush received his PhD at Vanderbilt University in Human Genetics in 2008 and then continued as a post-doctoral fellow in the Neurogenomics Training Program at Vanderbilt. Dr. Bush was recently named a Mt. Sinai Health Care Foundation Scholar. As a human geneticist and bioinformatician, Dr. Bush’s research interests include understanding the functional impact of genetic variation, developing statistical and bioinformatics approaches for integrating functional genomics knowledge into genetic analysis, and the use of electronic medical records for translational research.

Affiliations

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Featured Publications

Towards a phenome-wide catalog of human clinical traits impacted by genetic ancestry.

Dumitrescu L, Restrepo NA, Goodloe R, Boston J, Farber-Eger E, Pendergrass SA, Bush WS, Crawford DC,. Racial/ethnic differences for commonly measured clinical variables are well documented, and it has been postulated that population-specific genetic factors may play a role. The genetic heterogeneity of admixed populations, such as African Americans, provides a unique opportunity to identify […]

Gene expression in cell lines from propionic acidemia patients, carrier parents, and controls.

Chapman KA, Bush WS, Zhang Z,. Propionic acidemia (PA) is an inborn of metabolism which usually presents with metabolic acidosis and accumulation of 3-hydroxypropionate among other toxins. Examining the gene expression in lymphoblastoid cell lines (LCLs) from PA patients, their carrier parents and age/sex-matched controls at normal glucose and low glucose growth conditions demonstrated differences […]

Sex-Specific Parental Effects on Offspring Lipid Levels.

Predazzi IM, Sobota RS, Sanna S, Bush WS, Bartlett J, Lilley JS, Linton MF, Schlessinger D, Cucca F, Fazio S, Williams SM,. Plasma lipid levels are highly heritable traits, but known genetic loci can only explain a small portion of their heritability.In this study, we analyzed the role of parental levels of total cholesterol (TC), […]

Recent Publications

  1. Liu, S, Bush, WS, Akinyemi, RO, Byrd, GS, Caban-Holt, AM, Rajabli, F, Reitz, C, Kunkle, BW, Tosto, G, Vance, JM et al.. Alzheimer disease is (sometimes) highly heritable: Drivers of variation in heritability estimates for binary traits, a systematic review. PLoS Genet 2025; 21 (9): e1011701. PubMed PMID:40906820 PubMed Central PMC12419754.
  2. Osterman, MD, Song, YE, Lynn, A, Miskimen, K, Wheeler, NR, Bartlett, J, Farrer, LA, Schellenberg, GD, Martin, ER, Pericak-Vance, MA et al.. Examining the Performance of Polygenic Risk Scores for Alzheimer Disease Within and Across Populations Using k-Fold Cross-Validation. Neurol Genet 2024; 10 (6): e200198. PubMed PMID:40881139 PubMed Central PMC11727989.
  3. Akinyemi, R, Omotoso, O, Kamada, L, Ndetei, D, Cuccaro, M, Akpalu, A, Adams, LD, Sarfo, SF, Njamnshi, AK, Whitehead, P et al.. Recruitment and Retention for Alzheimer's Disease Diversity Genetic Cohorts in the ADSP (READD-ADSP): A global effort to identify genetic factors in Alzheimer's disease. Alzheimers Dement (N Y) 2025; 11 (3): e70148. PubMed PMID:40861501 PubMed Central PMC12375874.
  4. Akgun, B, Gulyayev, AV, Coker, M, Hamilton-Nelson, KL, Olalusi, O, Adams, LD, Akinwande, K, Whitehead, PG, Diala, S, Ogunronbi, M et al.. ABCA7 deletion lowers age at onset of Alzheimer's disease and interacts with APOE ε4 synergistically in African-ancestry populations. Alzheimers Dement 2025; 21 (8): e70583. PubMed PMID:40832784 PubMed Central PMC12365657.
  5. Cheng, PL, Wang, H, Dombroski, BA, Farrell, JJ, Horng, I, Chung, T, Tosto, G, Kunkle, BW, Bush, WS, Vardarajan, B et al.. A specialized reference panel with structural variants integration for improving genotype imputation in Alzheimer disease and related dementias. HGG Adv 2025; 6 (4): 100487. PubMed PMID:40751311 PubMed Central PMC12362095.
  6. Ciesielski, TH, Tosto, G, Durodoye, RO, Rajabli, F, Akinyemi, RO, Byrd, GS, Bush, WS, Kunkle, BW, Reitz, C, Vance, JM et al.. Country-level incidence of Alzheimer disease and related dementias is associated with increased omega-6-PUFA consumption. Commun Med (Lond) 2025; 5 (1): 326. PubMed PMID:40745374 PubMed Central PMC12314086.
  7. Rajabli, F, Benchek, P, Tosto, G, Kushch, N, Sha, J, Bazemore, K, Zhu, C, Lee, WP, Haut, J, Hamilton-Nelson, KL et al.. Multi-ancestry genome-wide meta-analysis of 56,241 individuals identifies known and novel cross-population and ancestry-specific associations as novel risk loci for Alzheimer's disease. Genome Biol 2025; 26 (1): 210. PubMed PMID:40676597 PubMed Central PMC12273372.
  8. Kuzma, A, Valladares, O, Greenfest-Allen, E, Nicaretta, H, Kirsch, M, Ren, Y, Katanic, Z, White, H, Wilk, A, Bass, L et al.. NIAGADS: A data repository for Alzheimer's disease and related dementia genomics. Alzheimers Dement 2025; 21 (6): e70255. PubMed PMID:40545618 PubMed Central PMC12183107.
  9. Eissman, JM, Regelson, AN, Walters, S, Archer, DB, Durant, A, Mukherjee, S, Lee, ML, Choi, SE, Scollard, P, Trittschuh, EH et al.. Sex-Specific Genetic Drivers of Memory, Executive Functioning, and Language Performance in Older Adults. medRxiv 2025; : . PubMed PMID:40492063 PubMed Central PMC12148254.
  10. Leung, YY, Lee, WP, Kuzma, AB, Nicaretta, H, Valladares, O, Gangadharan, P, Qu, L, Zhao, Y, Ren, Y, Cheng, PL et al.. Alzheimer's Disease Sequencing Project release 4 whole genome sequencing dataset. Alzheimers Dement 2025; 21 (5): e70237. PubMed PMID:40407102 PubMed Central PMC12100500.
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