I have authored 35 publications in peer-reviewed journals, 14 of these as the first and 11 as corresponding or co-corresponding author. >60% of my publications are international collaborations and published in 10% of top journals (SciVal).
Citations = 2,000;
H-index = 19;
i10-index=23;
Field-Weighted Citation Impact (FWCI, SciVal) = 3.34 (2020 to >2025)
Top image: Skeletal muscle fibro-adipogenic progenitors (i.e., fibroblasts) embedded into the diaphragm muscle extracellular matrix (63x).
A scalable MNase-seq framework for reproducible nucleosome profiling across pluripotent stem cell and cardiomyocyte models.
Thekkedam, C., Humphreys, D. T., Naval-Sanchez, M., Nicks, A. M., Harvey, R. P., & Contreras, O.* (2026) Computational Structural Biotechnology Journal. 35(1), 0204. https://doi.org/10.34133/csbj.0204
*Corresponding author
Systematic MNase optimization across buffer, DNA purification, and cell input variables
Unified workflow validated in hiPSCs, hiPSC-CMs, embryonic, and adult mouse cardiomyocytes, and 6 mammalian cell lines
Fixed-cell protocol enables weeks of storage without loss of DNA quality
Cost-effective yeast spike-in ensures quantitative normalization for MNase-seq
Genome-wide analyses in hiPSCs confirm robust and precise nucleosome positioning at regulatory elements
OpenEMMU: a versatile, open-source EdU multiplexing methodology for studying DNA replication and cell cycle dynamics. (2025).
Contreras O.*1, Thekkedam C., Zaunders J., Aguirre-MacLennan I., Murray N.J., Gonzalez Cordero A., Harvey R.P.*, iScience. https://www.cell.com/iscience/fulltext/S2589-0042(25)01641-4 *Co-Corresponding authors
1 Lead contact
An affordable, open-source toolkit for studying DNA replication and cell cycle profiling
Optimized click chemistry enhances EdU signal and antibody multiplexing with IBEX
Profiles human T cell activation and proliferation in response to antigens and infections
Enables the 3D imaging of DNA replication in whole organs, cardiac organoids, and zebrafish
Fibro-adipogenic progenitors in physiological adipogenesis and intermuscular adipose tissue remodeling.
Flores-Opazo, M., Kopinke, D., Helmbacher, F., Fernández-Verdejo, R., Tuñón-Suárez, M., Lynch, G. S., & Contreras, O#. (2024). Molecular Aspects of Medicine, 97, 101277. https://doi.org/10.1016/j.mam.2024.101277
#Lead author
Single-Cell Transcriptome Dynamics of the Autotaxin-Lysophosphatidic Acid Axis During Muscle Regeneration Reveal Proliferative Effects in Mesenchymal Fibro-Adipogenic Progenitors. Contreras, O.* & Harvey P., R. (2023) Front. Cell Dev. Biol. Sec. Molecular and Cellular Pathology, Volume 11 - 2023 | doi: 10.3389/fcell.2023.1017660 *Corresponding author
Cardiac fibroblast heterogeneity and dynamics through the lens of single cell dual ‘omics. Harvey, R.P., Patrick, R., Janbandhu, V., and Contreras, O. (2022) Cardiovascular Research, cvac037, 1-3, https://doi.org/10.1093/cvr/cvac037 Invited Editorial
Hif-1a suppresses ROS-induced proliferation of cardiac fibroblasts following myocardial infarction. Janbandhu, V., Tallapragada, V., Patrick, R., Li, Y., Abegunawardena, D., Humphreys, D.T., Martin, E.M.M.A., Ward, A.O., Contreras, O., Farbehi, F., Yao, E., Du, Y., Dunwoodie, S.L, Bursac, N., Harvey, R.P. (2022) Cell Stem Cell 29, 1–17. https://doi.org/10.1016/j.stem.2021.10.009
Origins, potency, and heterogeneity of skeletal muscle fibro-adipogenic progenitors—time for new definitions. Contreras, O.*, Rossi, F.M.V. & Theret, M*. (2021) Skeletal Muscle 11, 16 https://doi.org/10.1186/s13395-021-00265-6 #Corresponding authors. Invited Review
A scalable MNase-seq framework for reproducible nucleosome profiling across pluripotent stem cell and cardiomyocyte models. Thekkedam, C., Humphreys, D. T., Naval-Sanchez, M., Nicks, A. M., Harvey, R. P., & Contreras, O.* (2026) Computational Structural Biotechnology Journal. 35(1), 0204. https://doi.org/10.34133/csbj.0204 *Corresponding author
Multi-omic analysis of human PHACTR1 signaling networks. Wolhuter K., Ma L., Bryce NL., Contreras O., Mellett N., Zhong L., Giles C, Harvey RP., Björkegren J.L.M., Meikle P., Kovacic J.C. Communications Biology 9, 265 (2026). https://doi.org/10.1038/s42003-026-09542-w
Proteo-transcriptomics and morphometrics of teleost cardiac cells define regulatory networks and exercise-induced cardiomyocyte hypertrophy and hyperplasia. Contreras, O.*, Smith, G., Santiago, C.F., Dey, M., Thekkedam, C., Chand, R., Gonzalez-Rajal, A., Zhong, L., Wong, E., Fatkin, D., Harvey, RP. bioRxiv 2026.01.11.698907; doi: https://doi.org/10.64898/2026.01.11.698907 *Corresponding author
OpenEMMU: a versatile, open-source EdU multiplexing methodology for studying DNA replication and cell cycle dynamics. Contreras O.*, Thekkedam C., Zaunders J., Aguirre-MacLennan I., Murray N.J., Gonzalez Cordero A., Harvey R.P.* iScience, 28(9), 113380. https://doi.org/10.1016/j.isci.2025.113380
*Corresponding authors
D Fatkin, C Santiago, O Contreras, R Chand, J Cvetkovska, G Trivedi, C Thekkedam, D Palipana, I Huttner, R Harvey, Regular swim exercise improves cardiac function in a zebrafish model of TTNtv-related dilated cardiomyopathy, European Heart Journal, Volume 46, Issue Supplement_1, November 2025, ehaf784.4770, https://doi.org/10.1093/eurheartj/ehaf784.4770
Targeting de novo lipogenesis improves gemcitabine efficacy in pancreatic ductal adenocarcinoma. Sarah E Hancock, Linda Garthwaite, Konstantina Harellis, Michael Susetio, Eileen Ding, Laura Choong, Osvaldo Contreras, Amy Nguyen, Josiah Lising, Felicia KM Hansen, Puttandon Wongsomboon, Jan Philipp Menzel, Berwyck LJ Poad, Todd W Mitchell, Stephen J Blanksby, Nigel Turner. bioRxiv 2024.12.18.628624; doi: https://doi.org/10.1101/2024.12.18.628624
Integration mapping of cardiac fibroblast single-cell transcriptomes elucidates cellular principles of fibrosis across diverse cardiovascular pathologies. Patrick, R., Janbandhu, V., Tallapragada, V., Tan, S. S. M., McKinna, E. E., Contreras, O., Ghazanfar, S., Humphreys, D. T., Murray, N. J., Tran, Y. T. H., Hume, R. D., Chong, J. J. H., & Harvey, R. P. (2024). Science Advances, 10(25), eadk8501. https://doi.org/10.1126/sciadv.adk8501
Interactive data portal that allows users to examine gene expression at the single-cell level in cardiac fibroblasts: https://lnkd.in/gwb86jJV
Fibro-adipogenic progenitors in physiological adipogenesis and intermuscular adipose tissue remodeling.
Flores-Opazo, M., Kopinke, D., Helmbacher, F., Fernández-Verdejo, R., Tuñón-Suárez, M., Lynch, G. S., & Contreras, O#. (2024). Molecular Aspects of Medicine, 97, 101277. https://doi.org/10.1016/j.mam.2024.101277 #Lead and corresponding author
Tumour Biomechanics Alters Metastatic Dissemination of Triple Negative Breast Cancer via Rewiring Fatty Acid Metabolism.
Filipe, E., …, Contreras, O., …, Cox, T. Advanced Science. 2024, 2307963. https://doi.org/10.1002/advs.202307963
Clinical Pathway for Coronary Atherosclerosis in Patients Without Conventional Modifiable Risk Factors: JACC State-of-the-Art Review. Figtree, G, Vernon, S, Harmer, J. et al. (CRE for CAD Collaborators). J Am Coll Cardiol. 2023 Sep, 82 (13) 1343–1359. https://doi.org/10.1016/j.jacc.2023.06.045
Development of a robust induced pluripotent stem cell atrial cardiomyocyte differentiation protocol to model atrial arrhythmia. Thorpe, J., Perry, M.D., Contreras, O., Hurley, E., Parker, G., Harvey, R.P., Hill, A.P., Vandenberg, J.I. Stem Cell Res Ther. Jul 27;14(1):183. doi: 10.1186/s13287-023-03405-5. PMID: 37501071; PMCID: PMC10373292.
Single-Cell Transcriptome Dynamics of the Autotaxin-Lysophosphatidic Acid Axis During Muscle Regeneration Reveal Proliferative Effects in Mesenchymal Fibro-Adipogenic Progenitors. Contreras, O.* & Harvey P., R. (2023) Front. Cell Dev. Biol. Sec. Molecular and Cellular Pathology, Volume 11 - 2023 | doi: 10.3389/fcell.2023.1017660 *Corresponding author
Temporal transcriptomic dynamics of the ATX-LPAR-PLPP axis during skeletal muscle regeneration at single cell resolution. Contreras, O.* (2022) bioRxiv https://doi.org/10.1101/2022.07.02.498539 *Corresponding author
Cardiac fibroblast heterogeneity and dynamics through the lens of single cell dual ‘omics. Harvey, R.P., Patrick, R., Janbandhu, V., and Contreras, O. (2022) Cardiovascular Research, cvac037, 1-3, https://doi.org/10.1093/cvr/cvac037 Invited Editorial
Hif-1a suppresses ROS-induced proliferation of cardiac fibroblasts following myocardial infarction. Janbandhu, V., Tallapragada, V., Patrick, R., Li, Y., Abegunawardena, D., Humphreys, D.T., Martin, E.M.M.A., Ward, A.O., Contreras, O., Farbehi, F., Yao, E., Du, Y., Dunwoodie, S.L, Bursac, N., Harvey, R.P. (2022) Cell Stem Cell 29, 1–17. https://doi.org/10.1016/j.stem.2021.10.009
Origins, potency, and heterogeneity of skeletal muscle fibro-adipogenic progenitors—time for new definitions. Contreras, O.*, Rossi, F.M.V. & Theret, M*. (2021) Skeletal Muscle 11, 16 https://doi.org/10.1186/s13395-021-00265-6 *Corresponding authors. Invited Review
Temporal transcriptomic dynamics of the ATX-LPAR-PLPP axis during skeletal muscle regeneration at single cell resolution. Contreras, O.* (2022) bioRxiv https://doi.org/10.1101/2022.07.02.498539 *Corresponding author