2024
Journal - Research Article
Carr, A. C., Vlasiuk, E., Zawari, M., & Lunt, H. (2024). Understanding the additional impact of prediabetes and type 2 diabetes mellitus on vitamin C requirements in people living with obesity. Nutrition Research. Advance online publication. doi: 10.1016/j.nutres.2024.08.001
Vlasiuk, E., Zawari, M., Whitehead, R., Williman, J., & Carr, A. C. (2024). A high vitamin C micronutrient supplement is unable to attenuate inflammation in people with metabolic syndrome but may improve metabolic health indices: A randomised controlled trial. Antioxidants, 13(4), 404. doi: 10.3390/antiox13040404
Vlasiuk, E., Zawari, M., Storer, M., Maze, M. J., Williman, J., Chambers, S. T., & Carr, A. C. (2024). SunGold kiwifruit consumption restores adequate to optimal vitamin C status in people with a history of severe respiratory infections. Antioxidants, 13, 272. doi: 10.3390/antiox13030272
2023
Journal - Research Article
Carr, A. C., Vlasiuk, E., Zawari, M., Scott-Thomas, A., Storer, M., Maze, M., & Chambers, S. T. (2023). Low vitamin C concentrations in patients with community-acquired pneumonia resolved with pragmatic administration of intravenous and oral vitamin C. Antioxidants, 12, 1610. doi: 10.3390/antiox12081610
Carr, A. C., Bradley, H. A., Vlasiuk, E., Pierard, H., Beddow, J., & Rucklidge, J. J. (2023). Inflammation and vitamin C in women with prenatal depression and anxiety: Effect of multinutrient supplementation. Antioxidants, 12, 941. doi: 10.3390/antiox12040941
Lunt, H., Carr, A. C., Heenan, H. F., Vlasiuk, E., Zawari, M., Prickett, T., & Frampton, C. (2023). People with diabetes and hypovitaminosis C fail to conserve urinary vitamin C. Journal of Clinical & Translational Endocrinology, 31, 100316. doi: 10.1016/j.jcte.2023.100316
2022
Journal - Research Article
Rosengrave, P. C., Wohlrab, C., Spencer, E., Williman, J., Shaw, G., & Carr, A. C. (2022). Effect of intravenous vitamin C on arterial blood gas analyser and Accu-Chek point-of-care glucose monitoring in critically ill patients. Critical Care & Resuscitation, 24(2), 175-182. doi: 10.51893/2022.2.Oa7
Vlasiuk, E., Rosengrave, P., Roberts, E., Boden, J. M., Shaw, G., & Carr, A. C. (2022). Critically ill septic patients have elevated oxidative stress biomarkers: Lack of attenuation by parenteral vitamin C. Nutrition Research, 108, 53-59. doi: 10.1016/j.nutres.2022.10.010
Carr, A. C., Vlasiuk, E., Zawari, M., Meijer, N., Lauren, C., MacPherson, S., Williman, J., & Chambers, S. T. (2022). Supplementation with oral vitamin C prior to and during myeloablative chemotherapy and autologous haematopoietic stem cell transplantation: A pilot study. Antioxidants, 11(10), 1949. doi: 10.3390/antiox11101949
Carr, A. C., Spencer, E., Heenan, H., Lunt, H., Vollebregt, M., & Prickett, T. C. R. (2022). Vitamin C status in people with types 1 and 2 diabetes mellitus and varying degrees of renal dysfunction: Relationship to body weight. Antioxidants, 11(2), 245. doi: 10.3390/antiox11020245
Rosengrave, P., Spencer, E., Williman, J., Mehrtens, J., Morgan, S., Doyle, T., Van Der Heyden, K., … Shaw, G., & Carr, A. C. (2022). Intravenous vitamin C administration to patients with septic shock: A pilot randomised controlled trial. Critical Care, 26(1), 26. doi: 10.1186/s13054-022-03900-w
Spencer, E., Rosengrave, P., Williman, J., Shaw, G., & Carr, A. C. (2022). Circulating protein carbonyls are specifically elevated in critically ill patients with pneumonia relative to other sources of sepsis. Free Radical Biology & Medicine, 179, 208-212. doi: 10.1016/j.freeradbiomed.2021.11.029
Conference Contribution - Published proceedings: Abstract
Heenan, H., Lunt, H., Carr, A., Spencer, E., Vollebregt, M., & Prickett, T. C. R. (2022). Urinary vitamin C excretion is inappropriately elevated in people with hypovitaminosis C and diabetes. Proceedings of the 45th New Zealand Society for the Study of Diabetes (NZSSD) Annual Scientific Meeting. (pp. 50). Retrieved from https://www.ivvy.com.au/event/NZSSD22/welcome.html
2021
Journal - Research Article
Carr, A. C., Bozonet, S., Pullar, J., Spencer, E., Rosengrave, P., & Shaw, G. (2021). Neutrophils isolated from septic patients exhibit elevated uptake of vitamin C and normal intracellular concentrations despite a low vitamin C milieu. Antioxidants, 10(10), 1607. doi: 10.3390/antiox10101607
Pearson, A. G., Pullar, J. M., Cook, J., Spencer, E. S., Vissers, M. C. M., Carr, A. C., & Hampton, M. B. (2021). Peroxiredoxin 2 oxidation reveals hydrogen peroxide generation within erythrocytes during high-dose vitamin C administration. Redox Biology, 43, 101980. doi: 10.1016/j.redox.2021.101980
Other Research Output
Carr, A., Rosengrave, P., & Spencer, E. (2021, May). Nutrition in medicine: To C or not to C (what clinical trials are telling us). UOC Research Seminar Series, University of Otago, Christchurch, New Zealand. [Research Presentation].
2020
Journal - Research Article
Spencer, E. S., Pitcher, T., Veron, G., Hannam, T., MacAskill, M., Anderson, T., Dalrymple-Alford, J., & Carr, A. C. (2020). Positive association of ascorbate and inverse association of urate with cognitive function in people with Parkinson’s disease. Antioxidants, 9(10), 1-13. doi: 10.3390/antiox9100906
Conner, T. S., Fletcher, B. D., Haszard, J. J., Pullar, J. M., Spencer, E., Mainvil, L. A., & Vissers, M. C. M. (2020). KiwiC for vitality: Results of a placebo-controlled trial testing the effects of kiwifruit or vitamin C tablets on vitality in adults with low vitamin C levels. Nutrients, 12, 2898. doi: 10.3390/nu12092898
White, R., Nonis, M., Pearson, J. F., Burgess, E., Morrin, H. R., Pullar, J. M., Spencer, E., Vissers, M. C. M., Robinson, B. A., & Dachs, G. U. (2020). Low vitamin C status in patients with cancer is associated with patient and tumor characteristics. Nutrients, 12(8), 2338. doi: 10.3390/nu12082338
Carr, A. C., Spencer, E., Mackle, D., Hunt, A., Judd, H., Mehrtens, J., … Beaumont, M., Kaur, S., … Young, P. J. (2020). The effect of conservative oxygen therapy on systemic biomarkers of oxidative stress in critically ill patients. Free Radical Biology & Medicine, 160, 13-18. doi: 10.1016/j.freeradbiomed.2020.06.018
Carr, A. C., Spencer, E., Das, A., Meijer, N., Lauren, C., MacPherson, S., & Chambers, S. T. (2020). Patients undergoing myeloablative chemotherapy and hematopoietic stem cell transplantation exhibit depleted vitamin C status in association with febrile neutropenia. Nutrients, 12(6), 1879. doi: 10.3390/nu12061879
Carr, A. C., Spencer, E., Hoskin, T. S., Rosengrave, P., Kettle, A. J., & Shaw, G. (2020). Circulating myeloperoxidase is elevated in septic shock and is associated with systemic organ failure and mortality in critically ill patients. Free Radical Biology & Medicine, 152, 462-468. doi: 10.1016/j.freeradbiomed.2019.11.004
Conference Contribution - Published proceedings: Abstract
Spencer, E., Hoskin, T., Rosengrave, P., Kettle, A., Shaw, G., & Carr, A. (2020). Circulating myeloperoxidase is elevated in septic shock and is associated with systemic organ failure and mortality in critically ill patients. New Zealand Medical Journal, 133(1524), (pp. 145-146). Retrieved from https://www.nzma.org.nz/journal
Working Paper; Discussion Paper; Technical Report
Carr, A. C., Spencer, E., Dixon, L., & Chambers, S. (2020). Patients with community acquired pneumonia exhibit depleted vitamin C status and elevated oxidative stress. PrePrints. doi: 10.20944/preprints202004.0243.v1
2017
Conference Contribution - Published proceedings: Abstract
Spencer, E. S., O'Connor, K. M., & Hampton, M. B. (2017). Isothiocyanates trigger early disruption of mitochondrial function in cells overexpressing Bcl-2. Free Radical Biology & Medicine, 108(Suppl. 1), (pp. S51). doi: 10.1016/j.freeradbiomed.2017.04.185
Awarded Doctoral Degree
Spencer, E. S. (2017). Exploring the anti-cancer and anti-inflammatory properties of isothiocyanates (PhD). University of Otago, Dunedin, New Zealand. Retrieved from http://hdl.handle.net/10523/7254
2015
Journal - Research Article
Spencer, E. S., Dale, E. J., Gommans, A. L., Rutledge, M. T., Vo, C. T., Nakatani, Y., Gamble, A. B., Smith, R. A. J., Wilbanks, S. M., Hampton, M. B., & Tyndall, J. D. A. (2015). Multiple binding modes of isothiocyanates that inhibit macrophage migration inhibitory factor. European Journal of Medicinal Chemistry, 93, 501-510. doi: 10.1016/j.ejmech.2015.02.012
Conference Contribution - Published proceedings: Abstract
Spencer, E., Dickerhof, N., Tyndall, J., Bernhagen, J., Kettle, A., & Hampton, M. (2015). Assessing inhibition of macrophage migration inhibitory factor by isothiocyanates. Free Radical Biology & Medicine, 86(Suppl. 1), (pp. S42-S43). doi: 10.1016/j.freeradbiomed.2015.07.145
2014
Journal - Research Article
Shaw, I. C., Spencer, E., Lambert, T., Holzenkaempfer, M., Gaw, S., & Stringer, M. (2014). Measurement of kidney cadmium in embalmed New Zealand cadavers. New Zealand Medical Journal, 127(1392). Retrieved from http://www.nzma.org.nz/journal
Conference Contribution - Published proceedings: Abstract
Tyndall, J. D. A., Spencer, E. S., Dale, E. J., Gommans, A. L., Rutledge, M. T., Vo, C. T., Nakatani, Y., Gamble, A. B., Smith, R. A. J., Wilbanks, S. M., & Hampton, M. B. (2014). Multiple binding modes of isothiocyanate inhibitors of macrophage migration inhibitory factor define structure activity relationships. Proceedings of the CRYSTAL29: 29th Biennial Conference of the Society of Crystallographers in Australia and New Zealand (SCANZ). (pp. 88). Retrieved from http://www.crystal29.com/
Conference Contribution - Poster Presentation (not in published proceedings)
Tyndall, J. D. A., Spencer, E. S., Dale, E. J., Gommans, A. L., Rutledge, M. T., Vo, C. T., Nakatani, Y., Gamble, A. B., Smith, R. A. J., Wilbanks, S. M., & Hampton, M. B. (2014, August). Multiple binding modes of isothiocyanate inhibitors of macrophage migration inhibitory factor define design strategies. Poster session presented at the Queenstown Molecular Biology (QMB) Meetings, Queenstown, New Zealand.
2013
Conference Contribution - Poster Presentation (not in published proceedings)
Spencer, E. S., Dale, E., Smith, R. A. J., Gamble, A. B., Tyndall, J. D. A., Rutledge, M. T., Wilbanks, S. M., Dickerhof, N., Kettle, A. J., & Hampton, M. B. (2013, August). Assessing inhibition of macrophage migration inhibitory factor by novel isothiocyanates. Poster session presented at the Queenstown Molecular Biology (QMB) Meetings, Queenstown, New Zealand.
2012
Conference Contribution - Published proceedings: Abstract
Spencer, E., Tyndall, J., Smith, R. A. J., & Hampton, M. (2012). Biological properties of isothiocyanates. Proceedings of the Oxygen Theme Meeting. (pp. 21). Dunedin, New Zealand: University of Otago. Retrieved from https://www.otago.ac.nz/research/otago051864.pdf
2011
Conference Contribution - Verbal presentation and other Conference outputs
Tyndall, J. D. A., Dale, E. J., Spencer, E. S., Falvey, J. D., Smith, R. A. J., & Hampton, M. B. (2011, November-December). Isothiocyanate inhibitors of the proinflammatory cytokine macrophage migration inhibitory factor. Verbal presentation at the New Zealand Institute of Chemistry (NZIC) Conference, Hamilton, New Zealand.