Associate Professor Alexander Tups

2025

Journal - Research Article

Du, L. Y., Keerthisinghe, P., Rolland, L., Sung, Y. J., Darroch, H., Linnerz, T., … Tups, A., … Hall, C. J. (2025). A light-regulated circadian timer optimizes neutrophil bactericidal activity to boost daytime immunity. Science Immunology, 10, eadn3080. doi: 10.1126/sciimmunol.adn3080

2024

Journal - Research Article

Sequeira-Bisson, I. R., Lu, L. W., Silvestre, M. P., Plank, L. D., Middleditch, N., Acevedo-Fani, A., Parry-Strong, A., … Tups, A., … Krebs, J. D., … Poppitt, S. D. (2024). Glycaemic response to a nut-enriched diet in Asian Chinese adults with normal or high glycaemia: The Tū Ora RCT. Nutrients, 16(13), 2103. doi: 10.3390/nu16132103

Rizwan, M. Z., Kamstra, K., Pretz, D., Shepherd, P. R., Tups, A., & Grattan, D. R. (2024). Conditional deletion of β-catenin in the mediobasal hypothalamus impairs adaptive energy expenditure in response to high fat diet and exacerbates diet-induced obesity. Journal of Neuroscience, 44(14), e1666232024. doi: 10.1523/jneurosci.1666-23.2024

Conference Contribution - Poster Presentation (not in published proceedings)

Hussain, R., Keerthisinghe, P., & Tups, A. (2024, August-September). Blue light impairs circadian behaviour in Zebrafish (Danio rerio). Poster session presented at the 18th New Zealand Medical Sciences Congress (MedSci), Queenstown, New Zealand.

Conference Contribution - Verbal presentation and other Conference outputs

Boer, G. A., Rizwan, M. Z., Ladyman, S., Garratt, M., & Tups, A. (2024, August-September). Control of energy balance by hypothalamic and hindbrain GIP receptors. Verbal presentation at the 18th New Zealand Medical Sciences Congress (MedSci), Queenstown, New Zealand.

Other Research Output

Tups, L. (2024, June). The development of Dahlia4® natural glucose support: How combining neuroscience with metabolism can lead to a patented fully commercialised product. UOC Biomedical Research Seminar Series, University of Otago, Christchurch, New Zealand. [Research Presentation].

2023

Chapter in Book - Research

Kamstra, K., & Tups, A. (2023). Neuroendocrine interactions in the control of glucose- and energy homeostasis. In A. Kleinridders (Ed.), Physiological consequences of brain insulin action. (pp. 63-78). Boca Raton, FL: CRC Press. doi: 10.1201/9781003079927-5

Kamstra, K., & Tups, A. (2023). Neuroendocrine interactions in the control of glucose- and energy homeostatis. In A. Kleinridders (Ed.), Physiological consequences of brain insulin action. (pp. 63-78). Boca Raton, FL: CRC Press. doi: 10.1201/9781003079927

Journal - Research Article

Rizwan, M. Z., Kerbus, R., Kamstra, K., Keerthisinghe, P., & Tups, A. (2023). Dietary wheat gluten induces astro- and microgliosis in the hypothalamus of male mice. Journal of Neuroendocrinology, 35, e13326. doi: 10.1111/jne.13326

Pretz, D., Heyward, P. M., Krebs, J., Gruchot, J., Barter, C., Silcock, P., Downes, N., Rizwan, M. Z., Boucsein, A., Bender, J., Burgess, E. J., Boer, G. A., Keerthisinghe, P., Perry, N. B., & Tups, A. (2023). A dahlia flower extract has anti-diabetic properties by improving insulin function in the brain. Life Metabolism, 2(4), load026. doi: 10.1093/lifemeta/load026

Conference Contribution - Verbal presentation and other Conference outputs

Tups, A. (2023, August). The exciting journey to create a natural product for glucose support. Keynote presentation at the Brain Health Research Centre (BHRC) Annual Conference, Dunedin, New Zealand.

Tups, A. (2023, February). The development of Dahlia4® Natural Glucose Support: From research in zebrafish, mice and humans to the final product. Verbal presentation at the Maurice Wilkins Centre (MWC) for Molecular Biodiversity Symposium, Dunedin, New Zealand.

Pretz, D., Heyward, P. M., Krebs, J., Gruchot, J., Barter, C., Silcock, P., Downes, N., Rizwan, M. Z., Boucsein, A., Bender, J., Burgess, E. J., Boer, G. A., Perry, N. B., & Tups, A. (2023, August-September). A dahlia flower extract has anti-diabetic properties by improving insulin function in the brain. Verbal presentation at the Queenstown Molecular Biology (QMB) Hypothalamic Neuroscience & Neuroendocrinology Australasia (HNNA) Satellite, Queenstown, New Zealand.

Pretz, D., Heyward, P. M., Krebs, J., Gruchot, J., Barter, C., Silcock, P., Downes, N., Rizwan, M. Z., Boucsein, A., … Boer, G. A., Perry, N. B., & Tups, A. (2023, August). From mechanistic biomedical research on hypothalamic inflammation to a dietary supplement for glucose support. Verbal presentation at the 17th New Zealand Medical Sciences Congress (MedSci), Queenstown, New Zealand.

Intellectual Property

Heyward, P. M., & Tups, A. (2023). Pharmaceutical combinations and methods for the treatment of diabetes and associated disorders. (11,738,001). United States.

2022

Journal - Research Article

Boer, G. A., Hay, D. L., & Tups, A. (2022). Obesity pharmacotherapy: Incretin action in the central nervous system [Review]. Trends in Pharmacological Sciences, 44(1), 50-63. doi: 10.1016/j.tips.2022.11.001

Kamstra, K., Rizwan, M. Z., Grattan, D. R., Horsfield, J. A., & Tups, A. (2022). Leptin regulates glucose homeostasis via the canonical Wnt pathway in the zebrafish. FASEB Journal, 36, e22207. doi: 10.1096/fj.202101764R

2021

Journal - Research Article

Pretz, D., Le Foll, C., Rizwan, M. Z., Lutz, T. A., & Tups, A. (2021). Hyperleptinemia as a contributing factor for the impairment of glucose intolerance in obesity. FASEB Journal, 35, e21216. doi: 10.1096/fj.202001147R

Loehfelm, A., Rizwan, M. Z., & Tups, A. (2021). A New Zealand green-lipped mussel oil-enriched high-fat diet exhibits beneficial effects on body weight and metabolism in mice. British Journal of Nutrition, 125(9), 972-982. doi: 10.1017/s0007114520002342

Journal - Research Other

Boucsein, A., Kamstra, K., & Tups, A. (2021). Central signalling cross-talk between insulin and leptin in glucose and energy homeostasis [Invited]. Journal of Neuroendocrinology, 33, e12944. doi: 10.1111/jne.12944

2020

Journal - Research Article

Loehfelm, A., Elder, M. K., Boucsein, A., Jones, P. P., Williams, J. M., & Tups, A. (2020). Docosahexaenoic acid prevents palmitate-induced insulin-dependent impairments of neuronal health. FASEB Journal, 34, 4635-4652. doi: 10.1096/fj.201902517R

Conference Contribution - Published proceedings: Abstract

Kamstra, K., Horsfield, J. A., & Tups, A. (2020). The effects of leptin mutations and diet-induced obesity on glucose homeostasis in the zebrafish. New Zealand Medical Journal, 133(1527), (pp. 129). Retrieved from https://www.nzma.org.nz/journal

Tups, A. (2020). Brain inflammation, circadian timing and a novel nutraceutical: Crucial in the fight against metabolic disease. Proceedings, 43(2), (pp. 4). doi: 10.3390/proceedings2020043002

2019

Journal - Research Article

Boucsein, A., Rizwan, M. Z., & Tups, A. (2019). Hypothalamic leptin sensitivity and health benefits of time-restricted feeding are dependent on the time of day in male mice. FASEB Journal, 33, 12175-12187. doi: 10.1096/fj.201901004R

Skinner, N. J., Rizwan, M. Z., Grattan, D. R., & Tups, A. (2019). Chronic light cycle disruption alters central insulin and leptin signaling as well as metabolic markers in male mice. Endocrinology, 160(10), 2257-2270. doi: 10.1210/en.2018-00935

Benzler, M., Benzler, J., Stoehr, S., Hempp, C., Rizwan, M. Z., Heyward, P., & Tups, A. (2019). "Insulin-like" effects of palmitate compromise insulin signalling in hypothalamic neurons. Journal of Comparative Physiology B, 189(3-4), 413-424. doi: 10.1007/s00360-019-01220-0

Journal - Research Other

Loehfelm, A., Boucsein, A., Pretz, D., & Tups, A. (2019). Timing matters: Circadian effects on energy homeostasis and Alzheimer's disease. Trends in Endocrinology & Metabolism, 30(2), 132-143. doi: 10.1016/j.tem.2018.12.001

Conference Contribution - Published proceedings: Abstract

Rizwan, M., Shepherd, P., Tups, A., & Grattan, D. (2019). Region specific deletion of beta-catenin leads to impaired glucose tolerance and increased body weight. Brain & Neuroscience Advances, 3, PS108. doi: 10.1177/2398212819855490

Loehfelm, A., & Tups, A. (2019). The saturated fatty acid palmitate negatively affects morphology and function of primary hippocampal and cortical neurons via activation of the insulin pathway. Brain & Neuroscience Advances, 3, PS086. doi: 10.1177/2398212819855490

Conference Contribution - Poster Presentation (not in published proceedings)

Rizwan, M. Z., Shepherd, P. R., Tups, A., & Grattan, D. R. (2019, August-September). Region-specific deletion of β-catenin leads to impaired glucose tolerance and increased bodyweight. Poster session presented at the Queenstown Molecular Biology (QMB) Meetings, Queenstown, New Zealand.

Kamstra, K., Horsfield, J. A., & Tups, A. (2019, August-September). The effects of leptin mutations and diet-induced weight gain on glucose homeostasis in the zebrafish. Poster session presented at the Queenstown Molecular Biology (QMB) Meetings, Queenstown, New Zealand.

Pretz, D., Lutz, T., & Tups, A. (2019, July). Beneficial effects of leptin antagonism on glucose homeostasis in diet-induced obese mice. Poster session presented at the Society for the Study of Ingestive Behavior (SSIB) 27th Annual Meeting, Utrecht, The Netherlands.

Kamstra, K., Horsfield, J. A., & Tups, A. (2019, July). The effects of leptin mutations and diet-induced obesity on glucose homeostasis in the zebrafish. Poster session presented at the Society for the Study of Ingestive Behavior (SSIB) 27th Annual Meeting, Utrecht, The Netherlands.

Boucsein, A., Rizwan, M. Z., & Tups, A. (2019, July). Time of day-dependent action of hypothalamic leptin signalling. Poster session presented at the Society for the Study of Ingestive Behavior (SSIB) 27th Annual Meeting, Utrecht, The Netherlands.

Conference Contribution - Verbal presentation and other Conference outputs

Pretz, D., Lutz, T., & Tups, A. (2019, August-September). Beneficial effects of leptin antagonism on glucose homeostasis in DIO mice. Verbal presentation at the Queenstown Molecular Biology (QMB) Meetings, Queenstown, New Zealand.

Boucsein, A., Rizwan, M. Z., & Tups, A. (2019, August-September). Hypothalamic leptin sensitivity and health benefits of time-restricted feeding are dependent on the time of day in male mice. Verbal presentation at the Queenstown Molecular Biology (QMB) Meetings, Queenstown, New Zealand.

2018

Journal - Research Article

Sergi, D., Campbell, F. M., Grant, C., Morris, A. C., Bachmair, E.-M., Koch, C., … Tups, A., & Williams, L. M. (2018). SerpinA3N is a novel hypothalamic gene upregulated by a high-fat diet and leptin in mice 06 Biological Sciences 0604 Genetics. Genes & Nutrition, 13, 28. doi: 10.1186/s12263-018-0619-1

McEwen, H. J. L., Cognard, E., Ladyman, S. R., Khant-Aung, Z., Tups, A., Shepherd, P. R., & Grattan, D. R. (2018). Feeding and GLP-1 receptor activation stabilize beta-catenin in specific hypothalamic nuclei in male rats. Journal of Neuroendocrinology, 30(6), e12607, 1-10. doi: 10.1111/jne.12607

Conference Contribution - Published proceedings: Abstract

Rizwan, M. Z., Shepherd, P., Tups, A., & Grattan, D. (2018). Stabilization of beta-catenin in mouse hypothalamic cell lines. Proceedings of the 9th International Congress of Neuroendocrinology (ICN). (pp. 348-349). Retrieved from http://www.icn2018.org/

Loehfelm, A., & Tups, A. (2018). Effects of the saturated fatty acid palmitate on neuronal morphology and function. Proceedings of the 9th International Congress of Neuroendocrinology (ICN). (pp. 211). Retrieved from http://www.icn2018.org/

Conference Contribution - Poster Presentation (not in published proceedings)

Kerbus, R., Rizwan, M., & Tups, A. (2018, August). Dose dependent central insulin resistance in response to high fat diet. Poster session presented at the Medical Sciences Congress (MedSci), Queenstown, New Zealand.

Conference Contribution - Verbal presentation and other Conference outputs

Boucsein, A., Rizwan, M., & Tups, A. (2018, February). Circadian regulation of leptin action. Verbal presentation at the 9th Swiss Winter Conference on Ingestive Behavior, St. Moritz, Switzerland.

Other Research Output

Tups, A. (2018, June). Brain inflammation and its role in obesity, diabetes and Alzheimer's disease. Department of Medicine, University of Otago, Dunedin, New Zealand. [Department Seminar].

2017

Journal - Research Article

Rizwan, M. Z., Mehlitz, S., Grattan, D. R., & Tups, A. (2017). Temporal and regional onset of leptin resistance in diet-induced obese mice. Journal of Neuroendocrinology, 29(10), e12481. doi: 10.1111/jne.12481

Tups, A., Benzler, J., Sergi, D., Ladyman, S. R., & Williams, L. M. (2017). Central regulation of glucose homeostasis. Comprehensive Physiology, 7(2), 741-764. doi: 10.1002/cphy.c160015

Conference Contribution - Poster Presentation (not in published proceedings)

Skinner, N., Rizwan, M. Z., & Tups, A. (2017, September). Effect of circadian rhythms on leptin and insulin sensitivity. Poster session presented at the Medical Sciences Congress (MedSci), Queenstown, New Zealand.

Rizwan, M. Z., Shepherd, P., Tups, A., & Grattan, D. R. (2017, September). Stabilization of beta-catenin in mouse hypothalamic cell lines. Poster session presented at the Medical Sciences Congress (MedSci), Queenstown, New Zealand.

Conference Contribution - Verbal presentation and other Conference outputs

Tups, A. (2017, September). Does it matter at what time of day we eat? Verbal presentation at the Medical Sciences Congress (MedSci), Queenstown, New Zealand.

Boucsein, A., Rizwan, M., & Tups, A. (2017, September). Circadian rhythmicity of leptin sensitivity in the hypothalamus. Verbal presentation at the Medical Sciences Congress (MedSci), Queenstown, New Zealand.

Loehfelm, A., Elder, M., Williams, J., & Tups, A. (2017, September). Effects of fatty acids on neuronal morphology and function: Implications for Alzheimer’s disease. Verbal presentation at the Medical Sciences Congress (MedSci), Queenstown, New Zealand.

2016

Journal - Research Article

Helfer, G., & Tups, A. (2016). Hypothalamic Wnt signalling and its role in energy balance regulation. Journal of Neuroendocrinology, 28. doi: 10.1111/jne.12368

Boucsein, A., Benzler, J., Hempp, C., Stöhr, S., Helfer, G., & Tups, A. (2016). Photoperiodic and diurnal regulation of WNT signaling in the arcuate nucleus of the female Djungarian hamster, Phodopus sungorus. Endocrinology, 157(2), 799-809. doi: 10.1210/en.2015-1708

Conference Contribution - Published proceedings: Abstract

Boucsein, A., Rizwan, M., Skinner, N., & Tups, A. (2016). Temporal rhythms of metabolic pathways in the hypothalamus. In B. Leitch (Ed.), Proceedings of the 34th International Australasian Winter Conference on Brain Research. 34, (pp. 64). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr

Tups, A., Boucsein, A., Skinner, N., & Rizwan, M. (2016). Leptin resistance: Cause or consequence of hypothalamic inflammation? In B. Leitch (Ed.), Proceedings of the 34th International Australasian Winter Conference on Brain Research. (pp. 63). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr

Kamstra, K., Benzler, M., & Tups, A. (2016). The role of saturated and unsaturated fatty acids in neuro-inflammation and insulin sensitivity in a hypothalamic cell culture system. In B. Leitch (Ed.), Proceedings of the 34th International Australasian Winter Conference on Brain Research. (pp. 51). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr

Loehfelm, A., Tups, A., & Mueller, U. (2016). Rapid effects of neurosteroids DHEA, 7α-OH-DHEA and 7β-OH-DHEA on the ACh-induced calcium-influx in honeybee (Apis mellifera) kenyon cells. In B. Leitch (Ed.), Proceedings of the 34th International Australasian Winter Conference on Brain Research. (pp. 49). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr

Skinner, N., Rizwan, M. Z., & Tups, A. (2016). Effect of circadian rhythms on leptin sensitivity. In B. Leitch (Ed.), Proceedings of the 34th International Australasian Winter Conference on Brain Research. (pp. 37). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr

Rizwan, M. Z., Skinner, N., Mehlitz, S., & Tups, A. (2016). Temporal and regional onset of leptin resistance in diet induced obese mice. In B. Leitch (Ed.), Proceedings of the 34th International Australasian Winter Conference on Brain Research. (pp. 35). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr

Conference Contribution - Verbal presentation and other Conference outputs

Tups, A. (2016, August-September). Brain inflammation and its essential role in obesity, type 2 diabetes and cognition. Verbal presentation at the Queenstown Molecular Biology (QMB) Meetings, Nelson, New Zealand.

2015

Journal - Research Article

Benzler, J., Ganjam, G. K., Pretz, D., Oelkrug, R., Koch, C. E., Legler, K., … Tups, A. (2015). Central inhibition of IKKβ/NF-κB signalling attenuates high-fat diet–induced obesity and glucose intolerance. Diabetes, 64, 2015-2027. doi: 10.2337/db14-0093

Stark, R., Reichenbach, A., Lockie, S. H., Pracht, C., Wu, Q., Tups, A., & Andrews, Z. B. (2015). Acyl ghrelin acts in the brain to control liver function and peripheral glucose homeostasis in male mice. Endocrinology, 156(3), 858-868. doi: 10.1210/en.2014-1733

Conference Contribution - Poster Presentation (not in published proceedings)

Boucsein, A., Benzler, J., Hempp, C., Helfer, G., & Tups, A. (2015, August-September). Photoperiodic regulation of Wnt signalling in the arcuate nucleus of the Djungarian hamster, Phodopus sungorus. Poster session presented at the Medical Sciences Congress (MedSci), Queenstown, New Zealand.

Conference Contribution - Verbal presentation and other Conference outputs

Tups, A. (2015, August-September). Leptin resistance and its implication in body weight and glucose homeostasis. Verbal presentation at the Medical Sciences Congress (MedSci), Queenstown, New Zealand.

Tups, A. (2015, June). Hypothalamic inflammation, a hallmark for obesity and type II diabetes? Verbal presentation at the 9th Annual Brain Health Research Centre Conference: Science for a Healthy Brain, Dunedin, New Zealand.

2014

Journal - Research Article

Williams, L. M., Campbell, F. M., Drew, J. E., Koch, C., Hoggard, N., Rees, W. D., … Tups, A. (2014). The development of diet-induced obesity and glucose intolerance in C57BL/6 mice on a high-fat diet consists of distinct phases. PLoS ONE, 9(8), e106159. doi: 10.1371/journal.pone.0106159

Penzkofer, D., Bonauer, A., Fischer, A., Tups, A., Brandes, R. P., Zeiher, A. M., & Dimmeler, S. (2014). Phenotypic characterization of miR-92a^-/- mice reveals an important function of miR-92a in skeletal development. PLoS ONE, 9(6), e101153. doi: 10.1371/journal.pone.0101153

Koch, C. E., Lowe, C., Pretz, D., Steger, J., Williams, L. M., & Tups, A. (2014). High-fat diet induces leptin resistance in leptin-deficient mice. Journal of Neuroendocrinology, 26(2), 58-67. doi: 10.1111/jne.12131

Briggs, D. I., Lockie, S. H., Benzler, J., Wu, Q., Stark, R., Reichenbach, A., … Tups, A., & Andrews, Z. B. (2014). Evidence that diet-induced hyperleptinemia, but not hypothalamic gliosis, causes ghrelin resistance in NPY/AgRP neurons of male mice. Endocrinology, 155(7), 2411-2422. doi: 10.1210/en.2013-1861

Koch, C. E., Lowe, C., Legler, K., Benzler, J., Boucsein, A., Böttiger, G., Grattan, D. R., … Tups, A. (2014). Central adiponectin acutely improves glucose tolerance in male mice. Endocrinology, 155(5), 1806-1816. doi: 10.1210/en.2013-1734

2013

Journal - Research Article

Benzler, J., Ganjam, G. K., Legler, K., Stöhr, S., Krüger, M., Steger, J., & Tups, A. (2013). Acute inhibition of central c-Jun N-terminal kinase restores hypothalamic insulin signalling and alleviates glucose intolerance in diabetic mice. Journal of Neuroendocrinology, 25(5), 446-454. doi: 10.1111/jne.12018

Ganjam, G. K., Benzler, J., Pinkenburg, O., Boucsein, A., Stöhr, S., Steger, J., … Tups, A. (2013). Overexpression of suppressor of cytokine signaling 3 in the arcuate nucleus of juvenile Phodopus sungorus alters seasonal body weight changes. Journal of Comparative Physiology B, 183(8), 1101-1111. doi: 10.1007/s00360-013-0772-1

Koch, C. E., Ganjam, G. K., Steger, J., Legler, K., Stöhr, S., Schumacher, D., … Tups, A. (2013). The dietary flavonoids naringenin and quercetin acutely impair glucose metabolism in rodents possibly via inhibition of hypothalamic insulin signalling. British Journal of Nutrition, 109(6), 1040-1051. doi: 10.1017/s0007114512003005

Koch, C. E., Göddeke, S., Krüger, M., & Tups, A. (2013). Effect of central and peripheral leucine on energy metabolism in the Djungarian hamster (Phodopus sungorus). Journal of Comparative Physiology B, 183(2), 261-268. doi: 10.1007/s00360-012-0699-y

Benzler, J., Andrews, Z. B., Pracht, C., Stöhr, S., Shepherd, P. R., Grattan, D. R., & Tups, A. (2013). Hypothalamic WNT signalling is impaired during obesity and reinstated by leptin treatment in male mice. Endocrinology, 154(12), 4737-4745. doi: 10.1210/en.2013-1746

2012

Journal - Research Article

Tups, A., Stöhr, S., Helwig, M., Barrett, P., Krol, E., Schachtner, J., … Klingenspor, M. (2012). Seasonal leptin resistance is associated with impaired signalling via JAK2-STAT3 but not ERK, possibly mediated by reduced hypothalamic GRB2 protein. Journal of Comparative Physiology B, 182(4), 553-567. doi: 10.1007/s00360-011-0637-4

Benzler, J., Ganjam, G. K., Krüger, M., Pinkenburg, O., Kutschke, M., Stöhr, S., … Grattan, D. R., & Tups, A. (2012). Hypothalamic glycogen synthase kinase 3β has a central role in the regulation of food intake and glucose metabolism. Biochemical Journal, 447(1), 175-184. doi: 10.1042/bj20120834

2010

Journal - Research Article

Koch, C., Augustine, R. A., Steger, J., Ganjam, G. K., Benzler, J., Pracht, C., … Anderson, G. M., Grattan, D. R., & Tups, A. (2010). Leptin rapidly improves glucose homeostasis in obese mice by increasing hypothalamic insulin sensitivity. Journal of Neuroscience, 30(48), 16180-16187. doi: 10.1523/JNEUROSCI.3202-10.2010

Tups, A., Anderson, G. M., Rizwan, M., Augustine, R. A., Chaussade, C., Shepherd, P. R., & Grattan, D. R. (2010). Both p110α and p110β isoforms of phosphatidylinositol 3-OH-kinase are required for insulin signalling in the hypothalamus. Journal of Neuroendocrinology, 22(6), 534-542. doi: 10.1111/j.1365-2826.2010.01975.x

2009

Journal - Research Article

Helwig, M., Archer, Z. A., Heldmaier, G., Tups, A., Mercer, J. G., & Klingenspor, M. (2009). Photoperiodic regulation of satiety mediating neuropeptides in the brainstem of the seasonal Siberian hamster (Phodopus sungorus). Journal of Comparative Physiology A, 195(7), 631-642. doi: 10.1007/s00359-009-0438-3

Tups, A. (2009). Physiological models of leptin resistance [Young investigator perspective]. Journal of Neuroendocrinology, 21(11), 961-971. doi: 10.1111/j.1365-2826.2009.01916.x

Quennell, J. H., Mulligan, A. C., Tups, A., Liu, X., Phipps, S. J., Kemp, C. J., Herbison, A. E., Grattan, D. R., & Anderson, G. M. (2009). Leptin indirectly regulates gonadotropin-releasing hormone neuronal function. Endocrinology, 150(6), 2805-2812. doi: 10.1210/en.2008-1693

Ladyman, S. R., Tups, A., Augustine, R. A., Swahn-Azavedo, A., Kokay, I. C., & Grattan, D. R. (2009). Loss of hypothalamic response to leptin during pregnancy associated with development of melanocortin resistance. Journal of Neuroendocrinology, 21(5), 449-456. doi: 10.1111/j.1365-2826.2009.01862.x

2007

Journal - Research Article

Król, E., Tups, A., Archer, Z. A., Ross, A. W., Moar, K. M., Bell, L. M., … Speakman, J. R. (2007). Altered expression of SOCS3 in the hypothalamic arcuate nucleus during seasonal body mass changes in the field vole, Microtus agrestis. Journal of Neuroendocrinology, 19(2), 83-94. doi: 10.1111/j.1365-2826.2006.01507.x

Conference Contribution - Published proceedings: Abstract

Quennell, J. H., Tups, A., & Anderson, G. M. (2007). Leptin action on neurons is required for normal puberty onset. Endocrine Journal. 54(Suppl.), (pp. 105). [Abstract]

2006

Journal - Research Article

Tups, A., Helwig, M., Stöhr, S., Barrett, P., Mercer, J. G., & Klingenspor, M. (2006). Photoperiodic regulation of insulin receptor mRNA and intracellular insulin signaling in the arcuate nucleus of the Siberian hamster, Phodopus sungorus. American Journal of Physiology: Regulatory, Integrative & Comparative Physiology, 291(3), R643-R650. doi: 10.1152/ajpregu.00807.2005

Helwig, M., Khorooshi, R. M. H., Tups, A., Barrett, P., Archer, Z. A., Exner, C., … Klingenspor, M. (2006). PC1/3 and PC2 gene expression and post-translational endoproteolytic pro-opiomelanocortin processing is regulated by photoperiod in the seasonal Siberian hamster (Phodopus sungorus). Journal of Neuroendocrinology, 18(6), 413-425. doi: 10.1111/j.1365-2826.2006.01431.x

Tups, A., Barrett, P., Cross, A. W., Morgan, P. J., Klingenspor, M., & Mercer, J. G. (2006). The suppressor of cytokine signalling 3, SOCS3, may be one critical modulator of seasonal body weight changes in the Siberian hamster, Phodopus sungorus. Journal of Neuroendocrinology, 18, 139-145. doi: 10.1111/j.1365-2826.2005.01394.x

2004

Journal - Research Article

Tups, A., Ellis, C., Moar, K. M., Logie, T. J., Adam, C. L., Mercer, J. G., & Klingenspor, M. (2004). Photoperiodic regulation of leptin sensitivity in the Siberian hamster, Phodopus sungorus, is reflected in arcuate nucleus SOCS-3 (suppressor of cytokine signaling) gene expression. Endocrinology, 145(3), 1185-1193. doi: 10.1210/en.2003-1382

Tups, A., Helwig, M., Khorooshi, R. M. H., Archer, Z. A., Klingenspor, M., & Mercer, J. G. (2004). Circulating ghrelin levels and central ghrelin receptor expression are elevated in response to food deprivation in a seasonal mammal (Phodopus sungorus). Journal of Neuroendocrinology, 16(11), 922-928. doi: 10.1111/j.1365-2826.2004.01251.x

2003

Journal - Research Article

Tups, A. (2003). The leptin resistance paradox: Molecular dissection of leptin signalling pathways in the central nervous system. BIF Futura, 18, 107-108.

Mercer, J. G., & Tups, A. (2003). Neuropeptides and anticipatory changes in behaviour and physiology: Seasonal body weight regulation in the Siberian hamster. European Journal of Pharmacology, 480, 43-50.