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Research Professor Christopher J. Charles

Christopher J. Charles

BSc(Cant) MSc(Cant) PhD(Otago)

Email: chris.charles@otago.ac.nz

Christchurch Heart Institute
Department of Medicine
University of Otago, Christchurch
PO Box 4345
Christchurch 8140
New Zealand

Current roles

  • Research Professor Christchurch Heart Institute
  • Co-Director, Physiology Division, Christchurch Heart Institute
  • Named Investigator, HRC Programme Grant
  • Concurrent appointment with Cardiovascular Research Institute (CVRI), National University Singapore

Research interests

  • Integrative cardiovascular, endocrine and renal physiology of pressure / volume homeostasis
  • Bioactivity of vasoactive hormones including natriuretic peptides, adrenomedullins and urocortins
  • Pathophysiology of myocardial infarction, heart failure and sudden cardiac death

Professional memberships / roles

  • 2008-present, Executive Council and Treasurer, NZ Society Medical Sciences (MedSci)

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Publications

Templeton, E. M., Pilbrow, A. P., Kleffmann, T., Pickering, J. W., Rademaker, M. T., Scott, N. J. A., Ellmers, L. J., Charles, C. J., Endre, Z. H., Richards, A. M., Cameron, V. A., & Lassé, M. (2023). Comparison of SPEED, S-Trap, and in-solution-based sample preparation methods for mass spectrometry in kidney tissue and plasma. International Journal of Molecular Sciences, 24(7), 6290. doi: 10.3390/ijms24076290

Scott, N. J. A., Prickett, T. C. R., Charles, C. J., Frampton, C. M., Richards, A. M., & Rademaker, M. T. (2023). Augmentation of natriuretic peptide bioactivity via combined inhibition of neprilysin and phosphodiesterase-9 in heart failure. JACC: Heart Failure. Advance online publication. doi: 10.1016/j.jchf.2022.11.006

Lim, X. C., Huang, C., Yatim, S. M. J. M., Chong, S. Y., Tan, S. H., Yang, X., … Richards, A. M., Charles, C. J., … Wang, J.-W. (2023). Temporal changes in extracellular vesicle hemostatic protein composition predict favourable left ventricular remodeling after acute myocardial infarction. International Journal of Molecular Sciences, 24, 327. doi: 10.3390/ijms24010327

Weissmann, J., Charles, C. J., Richards, A. M., Yap, C. H., & Marom, G. (2022). Material property alterations for phenotypes of heart failure with preserved ejection fraction: A numerical study of subject-specific porcine models. Frontiers in Bioengineering & Biotechnology, 10, 1032034. doi: 10.3389/fbioe.2022.1032034

Zheng, Y., Chan, W. X., Charles, C. J., Richards, A. M., Lee, L. C., Leo, H. L., & Yap, C. H. (2022). Morphological, functional, and biomechanical progression of LV remodelling in a porcine model of HFpEF. Journal of Biomechanics, 144, 111348. doi: 10.1016/j.jbiomech.2022.111348

Pemberton, C. J., Charles, C. J., & Richards, A. M. (2017). Cardiac natriuretic peptides. In J. C. Schisler, C. H. Lang & M. S. Willis (Eds.), Endocrinology of the heart in health and disease. (pp. 3-39). Elsevier. doi: 10.1016/B978-0-12-803111-7.00001-4

Chapter in Book - Research

Richards, M., Troughton, R., Espiner, E., Cameron, V., Ellmers, L., Pilbrow, A., Charles, C., Rademaker, M., Pemberton, C., & Yandle, T. (2013). Christchurch Heart Institute. In P. Joyce, G. Nicholls, K. Thomas & T. Wilkinson (Eds.), The Christchurch experience: 40 years of research and teaching. (pp. 68-74). Christchurch, New Zealand: University of Otago.

Chapter in Book - Other

Lim, X. C., Huang, C., Yatim, S. M. J. M., Chong, S. Y., Tan, S. H., Yang, X., … Richards, A. M., Charles, C. J., … Wang, J.-W. (2023). Temporal changes in extracellular vesicle hemostatic protein composition predict favourable left ventricular remodeling after acute myocardial infarction. International Journal of Molecular Sciences, 24, 327. doi: 10.3390/ijms24010327

Journal - Research Article

Scott, N. J. A., Prickett, T. C. R., Charles, C. J., Frampton, C. M., Richards, A. M., & Rademaker, M. T. (2023). Augmentation of natriuretic peptide bioactivity via combined inhibition of neprilysin and phosphodiesterase-9 in heart failure. JACC: Heart Failure. Advance online publication. doi: 10.1016/j.jchf.2022.11.006

Journal - Research Article

Templeton, E. M., Pilbrow, A. P., Kleffmann, T., Pickering, J. W., Rademaker, M. T., Scott, N. J. A., Ellmers, L. J., Charles, C. J., Endre, Z. H., Richards, A. M., Cameron, V. A., & Lassé, M. (2023). Comparison of SPEED, S-Trap, and in-solution-based sample preparation methods for mass spectrometry in kidney tissue and plasma. International Journal of Molecular Sciences, 24(7), 6290. doi: 10.3390/ijms24076290

Journal - Research Article

Lu, Y., Cui, X., Zhang, L., Wang, X., Xu, Y., Qin, Z., … Lim, K. S., Charles, C. J., … Tang, J. (2022). The functional role of lipoproteins in atherosclerosis: Novel directions for diagnosis and targeting therapy. Aging & Disease, 13(2), 491-520. doi: 10.14336/AD.2021.0929

Journal - Research Article

Ong, C. W., Kumar, G. P., Zuo, K., Koh, L. B., Charles, C. J., Ho, P., … Cui, F. (2022). A novel coating method to reduce membrane infolding through pre-crimping of covered stents: Computational and experimental evaluation. Computers in Biology & Medicine, 145, 105524. doi: 10.1016/j.compbiomed.2022.105524

Journal - Research Article

Templeton, E. M., Lassé, M., Kleffmann, T., Ellmers, L. J., Palmer, S. C., Davidson, T., Scott, N. J. A., Pickering, J. W., Charles, C. J., Endre, Z. H., Cameron, V. A., Richards, A. M., Rademaker, M. T., & Pilbrow, A. P. (2022). Identifying candidate protein markers of acute kidney injury in acute decompensated heart failure. International Journal of Molecular Sciences, 23, 1009. doi: 10.3390/ijms23021009

Journal - Research Article

Weissmann, J., Charles, C. J., Richards, A. M., Yap, C. H., & Marom, G. (2022). Cardiac mesh morphing method for finite element modeling of heart failure with preserved ejection fraction. Journal of the Mechanical Behavior of Biomedical Materials, 126, 104937. doi: 10.1016/j.jmbbm.2021.104937

Journal - Research Article

Weissmann, J., Charles, C. J., Richards, A. M., Yap, C. H., & Marom, G. (2022). Material property alterations for phenotypes of heart failure with preserved ejection fraction: A numerical study of subject-specific porcine models. Frontiers in Bioengineering & Biotechnology, 10, 1032034. doi: 10.3389/fbioe.2022.1032034

Journal - Research Article

Zheng, Y., Chan, W. X., Charles, C. J., Richards, A. M., Lee, L. C., Leo, H. L., & Yap, C. H. (2022). Morphological, functional, and biomechanical progression of LV remodelling in a porcine model of HFpEF. Journal of Biomechanics, 144, 111348. doi: 10.1016/j.jbiomech.2022.111348

Journal - Research Article

Zheng, Y., Chan, W. X., Charles, C. J., Richards, A. M., Sampath, S., Ali, A. A. B., … Yap, C. H. (2022). Effects of hypertrophic and dilated cardiac geometric remodeling on ejection fraction. Frontiers in Physiology, 13, 898775. doi: 10.3389/fphys.2022.898775

Journal - Research Article

Kalidasan, V., Yang, X., Xiong, Z., Li, R. R., Yao, H., Godaba, H., … Charles, C. J., & Ho, J. S. (2021). Wirelessly operated bioelectronic sutures for the monitoring of deep surgical wounds. Nature Biomedical Engineering, 5(10), 1217-1227. doi: 10.1038/s41551-021-00802-0

Journal - Research Article

Rademaker, M. T., Pilbrow, A. P., Ellmers, L. J., Palmer, S. C., Davidson, T., Mbikou, P., Scott, N. J. A., Permina, E., Charles, C. J., Endre, Z. H., & Richards, A. M. (2021). Acute decompensated heart failure and the kidney: Physiological, histological and transcriptomic responses to development and recovery. Journal of the American Heart Association, 10, e021312. doi: 10.1161/jaha.121.021312

Journal - Research Article

Charles, C. J., Lee, P., Li, R. R., Yeung, T., Ibraham Mazlan, S. M., Tay, Z. W., … Richards, A. M. (2020). A porcine model of heart failure with preserved ejection fraction: Magnetic resonance imaging and metabolic energetics. ESC Heart Failure, 7, 93-103. doi: 10.1002/ehf2.12536

Journal - Research Article

Charles, C. J., Li, R. R., Yeung, T., Mazlan, S. M. I., Lai, R. C., de Kleijn, D. P. V., … Richards, A. M. (2020). Systemic mesenchymal stem cell-derived exosomes reduce myocardial infarct size: Characterization with MRI in a porcine model. Frontiers in Cardiovascular Medicine, 7, 601990. doi: 10.3389/fcvm.2020.601990

Journal - Research Article

Mbikou, P., Rademaker, M. T., Charles, C. J., Richards, M. A., & Pemberton, C. J. (2020). Cardiovascular effects of DWORF (dwarf open reading frame) peptide in normal and ischaemia/reperfused isolated rat hearts. Peptides, 124, 170192. doi: 10.1016/j.peptides.2019.170192

Journal - Research Article

Charles, C. J., Jardine, D. L., Rademaker, M. T., & Richards, A. M. (2019). Adrenomedullin 2 increases cardiac sympathetic nerve activity in parallel to heart rate in normal conscious sheep. Physiological Reports, 7(10), e14096. doi: 10.14814/phy2.14096

Journal - Research Article

Scott, N. J. A., Rademaker, M. T., Charles, C. J., Espiner, E. A., & Richards, A. M. (2019). Hemodynamic, hormonal, and renal actions of phosphodiesterase-9 inhibition in experimental heart failure. JACC, 74(7), 889-901. doi: 10.1016/j.jacc.2019.05.067

Journal - Research Article

Charles, C. J., Jardine, D. L., Rademaker, M. T., & Richards, A. M. (2018). Systemic Angiotensin II does not increase cardiac sympathetic nerve activity in normal conscious sheep. Bioscience Reports, 38(5), BSR20180513. doi: 10.1042/bsr20180513

Journal - Research Article

Wong, L. L., Rademaker, M. T., Saw, E. L., Lew, K. S., Ellmers, L. J., Charles, C. J., Richards, A. M., & Wang, P. (2017). Identification of novel microRNAs in the sheep heart and their regulation in heart failure. Scientific Reports, 7(1), 8250. doi: 10.1038/s41598-017-08574-x

Journal - Research Article

Ellmers, L. J., Rademaker, M. T., Charles, C. J., Yandle, T. G., & Richards, A. M. (2016). (PRO)renin receptor blockade ameliorates cardiac injury and remodeling and improves function after myocardial infarction. Journal of Cardiac Failure, 22(1), 64-72. doi: 10.1016/j.cardfail.2015.08.341

Journal - Research Article

Chan, W. Y. W., Charles, C. J., Frampton, C. M., Richards, A. M., Crozier, I. G., Troughton, R. W., & Jardine, D. L. (2015). Human muscle sympathetic nerve responses to urocortin-2 in health and stable heart failure. Clinical & Experimental Pharmacology & Physiology, 42(9), 888-895. doi: 10.1111/1440-1681.12449

Journal - Research Article

Charles, C. J., Rademaker, M. T., Melton, I. C., Gutfinger, D., Eigler, N. L., Qu, F., & Troughton, R. W. (2015). Thoracic impedance measures tissue characteristics in the vicinity of the electrodes, not intervening lung water: Implications for heart failure monitoring. Journal of Clinical Monitoring & Computing, 29(1), 65-76. doi: 10.1007/s10877-014-9570-x

Journal - Research Article

Rademaker, M. T., Ellmers, L. J., Charles, C. J., & Richards, A. M. (2015). Urocortin 2 protects heart and kidney structure and function in an ovine model of acute decompensated heart failure: Comparison with dobutamine. International Journal of Cardiology, 197, 56-65. doi: 10.1016/j.ijcard.2015.06.011

Journal - Research Article

Charles, C. J., Jardine, D. L., Rademaker, M. T., & Richards, A. M. (2014). Low-dose B-type natriuretic peptide raises cardiac sympathetic nerve activity in sheep. American Journal of Physiology: Regulatory, Integrative & Comparative Physiology, 307(2), R206-R211. doi: 10.1152/ajpregu.00404.2013

Journal - Research Article

Rademaker, M. T., Charles, C. J., & Richards, M. (2014). Sheep for the study of the urocortins and other hormones. Cardiovascular Endocrinology, 3(1), 39-43. doi: 10.1097/XCE.0000000000000024

Journal - Research Article

Rademaker, M. T., Charles, C. J., Nicholls, M. G., & Richards, A. M. (2013). Interactions of enhanced urocortin 2 and mineralocorticoid receptor antagonism in experimental heart failure. Circulation: Heart Failure, 6(4), 825-832. doi: 10.1161/circheartfailure.112.000205

Journal - Research Article

Roberts, A., Trainor, K. E., Weeks, B., Jackson, N., Troughton, R. W., Charles, C. J., Rademaker, M. T., Melton, I. C., Crozier, I. G., … Clubb, Jr, F. J. (2013). Integrated microscopy techniques for comprehensive pathology evaluation of an implantable left atrial pressure sensor. Journal of Histotechnology, 36(1), 17-27. doi: 10.1179/2046023613Y.0000000021

Journal - Research Article

Trainor, K. E., Roberts, A., Weeks, B., Jackson, N., Troughton, R. W., Charles, C. J., Rademaker, M. T., Melton, I. C., Crozier, I. G., … Clubb, Jr, F. J. (2013). Comparative pathology of an implantable left atrial pressure sensor. ASAIO Journal, 59(5), 486-492. doi: 10.1097/MAT.0b013e31829bdffd

Journal - Research Article

Patel, K., Rademaker, M. T., Kirkpatrick, C. M. J., Charles, C. J., Fisher, S., Yandle, T. G., & Richards, A. M. (2012). Comparative pharmacokinetics and pharmacodynamics of urocortins 1, 2 and 3 in healthy sheep. British Journal of Pharmacology, 166(6), 1916-1925. doi: 10.1111/j.1476-5381.2012.01904.x

Journal - Research Article

Rademaker, M. T., Charles, C. J., Nicholls, M. G., & Richards, A. M. (2012). Haemodynamic, endocrine and renal actions of adrenomedullin 5 in an ovine model of heart failure. Clinical Science, 122(9), 429-437. doi: 10.1042/cs20110483

Journal - Research Article

Rademaker, M. T., Yandle, T. G., Ellmers, L. J., Charles, C. J., Nicholls, M. G., & Richards, A. M. (2012). Hemodynamic, hormonal, and renal effects of (pro)renin receptor blockade in experimental heart failure. Circulation: Heart Failure, 5, 645-652. doi: 10.1161/circheartfailure.112.967059

Journal - Research Article

Charles, C. J. (2011). Update on apelin peptides as putative targets for cardiovascular drug discovery. Expert Opinion on Drug Discovery, 6(6), 633-644. doi: 10.1517/17460441.2011.571251

Journal - Research Article

Charles, C. J., Jardine, D. L., Rademaker, M. T., & Richards, M. (2011). Urocortin 3 inhibits cardiac sympathetic nerve activity in conscious sheep. Journal of Cardiovascular Pharmacology, 58(4), 418-423. doi: 10.1097/FJC.0b013e31822707a4

Journal - Research Article

Charles, C. J., Rademaker, M. T., & Richards, A. M. (2011). Hemodynamic, hormonal, and renal actions of adrenomedullin-5 in normal conscious sheep. Journal of Cardiovascular Pharmacology, 58(1), 25-31. doi: 10.1097/FJC.0b013e31821a9473

Journal - Research Article

Rademaker, M. T., Charles, C. J., Ellmers, L. J., Lewis, L. K., Nicholls, M. G., & Richards, A. M. (2011). Prolonged urocortin 2 administration in experimental heart failure: Sustained hemodynamic, endocrine, and renal effects. Hypertension, 57, 1136-1144. doi: 10.1161/HYPERTENSIONAHA.111.173203

Journal - Research Article

Rademaker, M. T., Charles, C. J., Melton, I. C., Richards, A. M., Frampton, C. M., Siou, J., … Troughton, R. W. (2011). Monitoring of heart failure: Comparison of left atrial pressure with intrathoracic impedance and natriuretic peptide measurements in an experimental model of ovine heart failure. Clinical Science, 120(5), 207-217. doi: 10.1042/CS20100388

Journal - Research Article

Rademaker, M. T., Charles, C. J., Nicholls, G., & Richards, M. (2011). Urocortin 2 sustains haemodynamic and renal function during introduction of beta-blockade in experimental heart failure. Journal of Hypertension, 29, 1787-1795. doi: 10.1097/HJH.0b013e3283493776

Journal - Research Article

Charles, C. J., Jardine, D. L., Rademaker, M. T., & Richards, A. M. (2010). Urocortin 2 induces potent long-lasting inhibition of cardiac sympathetic drive despite baroreflex activation in conscious sheep. Journal of Endocrinology, 204, 181-189. doi: 10.1677/JOE-08-0505

Journal - Research Article

Charles, C. J., Rademaker, M. T., Nicholls, M. G., & Richards, A. M. (2010). Adrenomedullin 2 attenuates the pressor but not adrenal responses to angiotensin II in conscious sheep. Peptides, 31, 878-882. doi: 10.1016/j.peptides.2010.02.010

Journal - Research Article

Prickett, T. C. R., Charles, C. J., Yandle, T. G., Richards, A. M., & Espiner, E. A. (2009). Skeletal contributions to plasma CNP forms: Evidence from regional sampling in growing lambs. Peptides, 30(12), 2343-2347. doi: 10.1016/j.peptides.2009.07.023

Journal - Research Article

Rademaker, M. T., Charles, C. J., Nicholls, M. G., & Richards, A. M. (2009). Urocortin 2 inhibits furosemide-induced activation of renin and enhances renal function and diuretic responsiveness in experimental heart failure. Circulation: Heart Failure, 2(6), 532-540. doi: 10.1161/CIRCHEARTFAILURE.109.861336

Journal - Research Article

Charles, C. J. (2008). The apelin peptides as putative targets in cardiovascular drug discovery and development. Expert Opinion on Drug Discovery, 3(1), 51-64. doi: 10.1517/17460441.3.1.51

Journal - Research Article

Charles, C. J., Jardine, D. L., Nicholls, M. G., Rademaker, M. T., & Richards, A. M. (2008). Urocortin 1 exhibits potent inhibition of cardiac sympathetic nerve activity in conscious sheep. Journal of Hypertension, 26(1), 53-60.

Journal - Research Article

Charles, C. J., Katafuchi, T., Yandle, T. G., & Minamino, N. (2008). Identification and biological activity of ovine and caprine calcitonin receptor-stimulating peptides 1 and 2. Journal of Endocrinology, 198(2), 429-437. doi: 10.1677/JOE-08-0106

Journal - Research Article

Rademaker, M. T., Charles, C. J., Nicholls, M. G., & Richards, A. M. (2008). Hemodynamic, hormonal, and renal actions of adrenomedullin 2 in experimental heart failure. Circulation: Heart Failure, 1, 134-142. doi: 10.1161/circheartfailure.107.755504

Journal - Research Article

Rademaker, M. T., Charles, C. J., Nicholls, M. G., & Richards, A. M. (2008). Urocortin 2 combined with angiotensin-converting enzyme inhibition in experimental heart failure. Clinical Science, 114(10), 635-642. doi: 10.1042/CS20070364

Journal - Research Article

Chambers, S. T., Pithie, A., Gallagher, K., Liu, T., Charles, C. J., & Seaward, L. (2007). Treatment of Staphylococcus epidermidis central vascular catheter infection with 70% ethanol locks: Efficacy in a sheep model. Journal of Antimicrobial Chemotherapy, 59, 779-782.

Journal - Research Article

Charles, C. J. (2007). Putative role for apelin in pressure/volume homeostasis and cardiovascular disease. Cardiovascular & Hematological Agents in Medicinal Chemistry, 5, 1-10.

Journal - Research Article

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