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Health Sciences staff profiles

Professor Dave Grattan

PositionProfessor
DepartmentDepartment of Anatomy
QualificationsBSc (Hons) PhD (Well)
Research summaryNeuroendocrinology

Research

The neuroendocrine adaptations of the maternal brain. Neuroendocrine regulation of body weight and glucose homeostasis. Hyperprolactinemia and infertility.

The 'Grattan Lab' form part of the Centre for Neuroendocrinology at the University of Otago (www.neuroendocrinology.otago.ac.nz). Their research focuses on the neuroendocrine control of reproduction, in particular the mechanisms by which reproductive hormones act to influence neuronal activity in the hypothalamus. Particular interests are in the neurobiological and neuroendocrine adaptation to different reproductive states. For example, in conditions such as pregnancy and lactation significant changes occur in the brain that are critical for successful reproduction. These physiological, behavioural and psychological changes are mediated by the hormonal changes of pregnancy. Our research aims to further the understanding of the interactions between reproductive hormones and the central nervous system. Such studies may be of significance to the control of mammalian reproduction and may also have clinical relevance to an understanding of hormonal modulation of psychological and neurological disorders. An example of this is the infertility caused by elevated levels of the hormone prolactin. The hormonally-induced changes in the brain may also serve as a model for studying neuronal plasticity in the adult brain.

Major techniques used for this work include monitoring of hormone levels in the blood by radioimmunoassay, quantification of neuronal activity in specific brain regions by neurochemical and molecular biology techniques, identification of specific populations of neurons in the hypothalamus by immunohistochemistry and in situ hybridisation, and use of transgenic mice to study hormone effects on brain function.

Publications

Augustine, R. A., Ladyman, S. R., Bouwer, G. T., Alyousif, Y., Sapsford, T. J., Scott, V., Kokay, I. C., Grattan, D. R., & Brown, C. H. (2017). Prolactin regulation of oxytocin neurone activity in pregnancy and lactation. Journal of Physiology. Advance online publication. doi: 10.1113/jp273712

Ladyman, S. R., MacLeod, M. A., Khant Aung, Z., Knowles, P., Phillipps, H. R., Brown, R. S. E., & Grattan, D. R. (2017). Prolactin receptors in Rip-cre cells, but not in AgRP neurons, are involved in energy homeostasis. Journal of Neuroendocrinology. Advance online publication. doi: 10.1111/jne.12474

Gustafson, P., Kokay, I., Sapsford, T., Bunn, S., & Grattan, D. (2017). Prolactin regulation of the HPA axis is not mediated by a direct action upon CRH neurons: Evidence from the rat and mouse. Brain Structure & Function. Advance online publication. doi: 10.1007/s00429-017-1395-1

Ladyman, S. R., & Grattan, D. R. (2017). Region-specific suppression of hypothalamic responses to insulin to adapt to elevated maternal insulin secretion during pregnancy. Endocrinology. Advance online publication. doi: 10.1210/en.2017-00600

Barad, Z., Grattan, D. R., & Leitch, B. (2017). NMDA receptor expression in the thalamus of the stargazer model of absence epilepsy. Scientific Reports, 7, 42926. doi: 10.1038/srep42926

Chapter in Book - Research

Grattan, D. R., & Le Tissier, P. (2015). Hypothalamic control of prolactin secretion, and the multiple reproductive functions of prolactin. In T. M. Plant & A. J. Zeleznik (Eds.), Knobil and Neill's Physiology of reproduction (Vol. 1). (4th ed.) (pp. 469-526). Elsevier. doi: 10.1016/B978-0-12-397175-3.00012-0

Larsen, C. M., & Grattan, D. R. (2010). Exposure to female pheromones during pregnancy causes postpartum anxiety in mice. In G. Litwack (Ed.), Pheromones: Vitamins & Hormones (Vol. 83). (pp. 137-149). Amsterdam: Academic Press. doi: 10.1016/S0083-6729(10)83005-5

Grattan, D. R., & Bridges, R. S. (2009). Prolactin actions in the brain. In D. W. Pfaff, A. P. Arnold, A. M. Etgen, S. E. Fahrbach & R. T. Rubin (Eds.), Hormones, brain and behavior (Vol. 4). (2nd ed.) (pp. 2471-2503). San Diego, CA: Academic Press.

Woodside, B., Augustine, R. A., Ladyman, S. R., Naef, L., & Grattan, D. R. (2008). Role of prolactin in the metabolic adaptations to pregnancy and lactation. In R. S. Bridges (Ed.), Neurobiology of the parental brain. (pp. 249-267). London: Academic Press.

Freeman, M. E., Grattan, D. R., & Houpt, T. A. (2008). The hypothalamus. In P. M. Conn (Ed.), Neuroscience in medicine. (3rd ed.) (pp. 301-358). Totowna, NJ: Humana Press.

Grattan, D. R., & Möderscheim, T. A. E. (2006). Interaction of growth hormone and prolactin in brain circuits. In F. J. Nyberg (Ed.), The somatotrophic axis in brain function. (pp. 111-123). Amsterdam: Elsevier.

Grattan, D. R. (2001). The actions of prolactin in the brain during pregnancy and lactation. In J. A. Russell, A. J. Douglas, R. J. Windle & C. D. Ingram (Eds.), Progress in Brain Research. (pp. 153-171). London: Elsevier.

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Journal - Research Article

Augustine, R. A., Ladyman, S. R., Bouwer, G. T., Alyousif, Y., Sapsford, T. J., Scott, V., Kokay, I. C., Grattan, D. R., & Brown, C. H. (2017). Prolactin regulation of oxytocin neurone activity in pregnancy and lactation. Journal of Physiology. Advance online publication. doi: 10.1113/jp273712

Barad, Z., Grattan, D. R., & Leitch, B. (2017). NMDA receptor expression in the thalamus of the stargazer model of absence epilepsy. Scientific Reports, 7, 42926. doi: 10.1038/srep42926

Ladyman, S. R., & Grattan, D. R. (2017). Region-specific suppression of hypothalamic responses to insulin to adapt to elevated maternal insulin secretion during pregnancy. Endocrinology. Advance online publication. doi: 10.1210/en.2017-00600

Gustafson, P., Kokay, I., Sapsford, T., Bunn, S., & Grattan, D. (2017). Prolactin regulation of the HPA axis is not mediated by a direct action upon CRH neurons: Evidence from the rat and mouse. Brain Structure & Function. Advance online publication. doi: 10.1007/s00429-017-1395-1

Ladyman, S. R., MacLeod, M. A., Khant Aung, Z., Knowles, P., Phillipps, H. R., Brown, R. S. E., & Grattan, D. R. (2017). Prolactin receptors in Rip-cre cells, but not in AgRP neurons, are involved in energy homeostasis. Journal of Neuroendocrinology. Advance online publication. doi: 10.1111/jne.12474

Kirk, S. E., Xie, T. Y., Steyn, F. J., Grattan, D. R., & Bunn, S. J. (2017). Restraint stress increases prolactin-mediated phosphorylation of signal transducer and activator of transcription 5 in the hypothalamus and adrenal cortex in the male mouse. Journal of Neuroendocrinology. Advance online publication. doi: 10.1111/jne.12477

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. Advance online publication. doi: 10.1111/jne.12481

Gustafson, P., Bunn, S., & Grattan, D. R. (2017). The role of prolactin in the suppression of Crh mRNA expression during pregnancy and lactation in the mouse. Journal of Neuroendocrinology. Advance online publication. doi: 10.1111/jne.12511

Brown, R. S. E., Aoki, M., Ladyman, S. R., Phillipps, H. R., Wyatt, A., Boehm, U., & Grattan, D. R. (2017). Prolactin action in the medial preoptic area is necessary for postpartum maternal nursing behavior. PNAS. Advance online publication. doi: 10.1073/pnas.1708025114

Booker, C. S., & Grattan, D. R. (2017). IL1R9 is evolutionarily related to IL18BP and may function as an IL-18 receptor. Journal of Immunology, 198(1), 270-278. doi: 10.4049/jimmunol.1500648

Ladyman, S. R., & Grattan, D. R. (2016). Central effects of leptin on glucose homeostasis are modified during pregnancy in the rat. Journal of Neuroendocrinology, 28(10). doi: 10.1111/jne.12431

Kim, D. W., Glendining, K. A., Grattan, D. R., & Jasoni, C. L. (2016). Maternal obesity in the mouse compromises the blood-brain barrier in the arcuate nucleus of offspring. Endocrinology, 157(6), 2229-2242. doi: 10.1210/en.2016-1014

Kim, D. W., Glendining, K. A., Grattan, D. R., & Jasoni, C. L. (2016). Maternal obesity leads to increased proliferation and numbers of astrocytes in the developing fetal and neonatal mouse hypothalamus. International Journal of Developmental Neuroscience, 53, 18-25. doi: 10.1016/j.ijdevneu.2016.06.005

Ladyman, S. R., Augustine, R. A., Scherf, E., Phillipps, H. R., Brown, C. H., & Grattan, D. R. (2016). Attenuated hypothalamic responses to α-melanocyte stimulating hormone during pregnancy in the rat. Journal of Physiology, 594(4), 1087-1101. doi: 10.1113/jp271605

Augustine, R. A., Bouwer, G. T., Seymour, A. J., Grattan, D. R., & Brown, C. H. (2016). Reproductive regulation of gene expression in the hypothalamic supraoptic and paraventricular nuclei. Journal of Neuroendocrinology, 28(4). doi: 10.1111/jne.12350

Vergara-Castañeda, E., Grattan, D. R., Pasantes-Morales, H., Pérez-Domínguez, M., Cabrera-Reyes, E. A., Morales, T., & Cerbón, M. (2016). Prolactin mediates neuroprotection against excitotoxicity in primary cell cultures of hippocampal neurons via its receptor. Brain Research, 1636, 193-199. doi: 10.1016/j.brainres.2016.02.011

Macari, S., Ajay Sharma, L., Wyatt, A., Knowles, P., Szawka, R. E., Garlet, G. P., Grattan, D. R., Dias, G., & Silva, T. A. (2016). Osteoprotective effects of estrogen in the maxillary bone depend on ERα. Journal of Dental Research, 95(6), 689-696. doi: 10.1177/0022034516633154

Alqaisi, K. M., Lamare, M. D., Grattan, D. R., Damsteegt, E. L., Schneider, W. J., & Lokman, P. M. (2016). A comparative study of vitellogenesis in Echinodermata: Lessons from the sea star. Comparative Biochemistry & Physiology Part A, 198, 72-86. doi: 10.1016/j.cbpa.2016.04.013

McEwen, H. J. L., Inglis, M. A., Quennell, J. H., Grattan, D. R., & Anderson, G. M. (2016). Deletion of suppressor of cytokine signaling 3 from forebrain neurons delays infertility and onset of hypothalamic leptin resistance in response to a high caloric diet. Journal of Neuroscience, 36(27), 7142-7153. doi: 10.1523/jneurosci.2714-14.2016

Brown, R. S. E., Kokay, I. C., Phillipps, H. R., Yip, S. H., Gustafson, P., Wyatt, A., Larsen, C. M., Knowles, P., Ladyman, S. R., LeTissier, P., & Grattan, D. R. (2016). Conditional deletion of the prolactin receptor reveals functional subpopulations of dopamine neurons in the arcuate nucleus of the hypothalamus. Journal of Neuroscience, 36(35), 9173-9185. doi: 10.1523/jneurosci.1471-16.2016

Brown, R. S. E., Wyatt, A. K., Herbison, R. E., Knowles, P. J., Ladyman, S. R., Binart, N., … Grattan, D. R. (2016). Prolactin transport into mouse brain is independent of prolactin receptor. FASEB Journal, 30(2), 1002-1010. doi: 10.1096/fj.15-276519

Brown, R. S. E., Herbison, A. E., & Grattan, D. R. (2015). Effects of prolactin and lactation on A15 dopamine neurons in the rostral preoptic area of female mice. Journal of Neuroendocrinology, 27(9), 708-717. doi: 10.1111/jne.12297

Grattan, D. R. (2015). 60 years of neuroendocrinology: The hypothalamo-prolactin axis. Journal of Endocrinology, 226(2), T101-T122. doi: 10.1530/joe-15-0213

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

Liu, X., Brown, R. S. E., Herbison, A. E., & Grattan, D. R. (2014). Lactational anovulation in mice results from a selective loss of kisspeptin input to GnRH neurons. Endocrinology, 155(1), 193-203. doi: 10.1210/en.2013-1621

Araujo-Lopes, R., Crampton, J. R., Aquino, N. S. S., Miranda, R. M., Kokay, I. C., Reis, A. M., … Grattan, D. R., & Szawka, R. E. (2014). Prolactin regulates kisspeptin neurons in the arcuate nucleus to suppress LH secretion in female rats. Endocrinology, 155(3), 1010-1020. doi: 10.1210/en.2013-1889

Brown, R. C., McLay-Cooke, R. T., Richardson, S. L., Williams, S. M., Grattan, D. R., & Chisholm, A. W.-A. H. (2014). Appetite response among those susceptible or resistant to obesity. International Journal of Endocrinology, 2014, 512013. doi: 10.1155/2014/512013

Kim, D. W., Young, S. L., Grattan, D. R., & Jasoni, C. L. (2014). Obesity during pregnancy disrupts placental morphology, cell proliferation, and inflammation in a sex-specific manner across gestation in the mouse. Biology of Reproduction, 90(6), 130. doi: 10.1095/biolreprod.113.117259

Brown, R. S. E., Herbison, A. E., & Grattan, D. R. (2014). Prolactin regulation of kisspeptin neurones in the mouse brain and its role in the lactation-induced suppression of kisspeptin expression. Journal of Neuroendocrinology, 26(12), 898-908. doi: 10.1111/jne.12223

Booker, C. S., & Grattan, D. R. (2014). Identification of a truncated splice variant of IL-18 receptor alpha in the human and rat, with evidence of wider evolutionary conservation. PeerJ, 2, e560. doi: 10.7717/peerj.560

Romanò, N., Yip, S. H., Hodson, D. J., Guillou, A., Parnaudeau, S., Kirk, S., … Bunn, S. J., Grattan, D. R., … Martin, A. O. (2013). Plasticity of hypothalamic dopamine neurons during lactation results in dissociation of electrical activity and release. Journal of Neuroscience, 33(10), 4424-4433. doi: 10.1523/jneurosci.4415-12.2013

Phillipps, H. R., Ladyman, S. R., & Grattan, D. R. (2013). Maintained expression of genes associated with metabolism in the ventromedial hypothalamic nucleus despite development of leptin resistance during pregnancy in the rat. Physiological Reports, 1(6), e00162. doi: 10.1002/phy2.162

Ladyman, S. R., & Grattan, D. R. (2013). JAK-STAT and feeding. JAK-STAT, 2(2), e23675. doi: 10.4161/jkst.23675

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

Li, Q., Li, N., Le Tissier, P., Grattan, D. R., & Kerman, K. (2012). Miniaturized electrochemical immunosensor for label-free detection of growth hormone. Electroanalysis, 24(6), 1272-1276. doi: 10.1002/elan.201200074

Brown, R. S. E., Piet, R., Herbison, A. E., & Grattan, D. R. (2012). Differential actions of prolactin on electrical activity and intracellular signal transduction in hypothalamic neurons. Endocrinology, 153(5), 2375-2384. doi: 10.1210/en.2011-2005

Yip, S. H., Eguchi, R., Grattan, D. R., & Bunn, S. J. (2012). Prolactin signalling in the mouse hypothalamus is primarily mediated by signal transducer and activator of transcription factor 5b but not 5a. Journal of Neuroendocrinology, 24(12), 1484-1491. doi: 10.1111/j.1365-2826.2012.02357.x

Ladyman, S. R., Fieldwick, D. M., & Grattan, D. R. (2012). Suppression of leptin-induced hypothalamic JAK/STAT signaling and feeding response during pregnancy in the mouse. Reproduction, 144(1), 83-90. doi: 10.1530/rep-12-0112

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

Adler, E. S., Hollis, J. H., Clarke, I. J., Grattan, D. R., & Oldfield, B. J. (2012). Neurochemical characterization and sexual dimorphism of projections from the brain to abdominal and subcutaneous white adipose tissue in the rat. Journal of Neuroscience, 32(45), 15913-15921. doi: 10.1523/jneurosci.2591-12.2012

Larsen, C. M., & Grattan, D. R. (2012). Prolactin, neurogenesis, and maternal behaviors. Brain, Behavior, & Immunity, 26(2), 201-209. doi: 10.1016/j.bbi.2011.07.233

Sapsford, T. J., Kokay, I. C., Östberg, L., Bridges, R. S., & Grattan, D. R. (2012). Differential sensitivity of specific neuronal populations of the rat hypothalamus to prolactin action. Journal of Comparative Neurology, 520(5), 1062-1077. doi: 10.1002/cne.22775

Quennell, J. H., Howell, C. S., Roa, J., Augustine, R. A., Grattan, D. R., & Anderson, G. M. (2011). Leptin deficiency and diet-induced obesity reduce hypothalamic kisspeptin expression in mice. Endocrinology, 152(4), 1541-1550. doi: 10.1210/en.2010-1100

Kokay, I. C., Petersen, S. L., & Grattan, D. R. (2011). Identification of prolactin-sensitive GABA and kisspeptin neurons in regions of the rat hypothalamus involved in the control of fertility. Endocrinology, 152(2), 526-535. doi: 10.1210/en.2010-0668

Ladyman, S. R., Sapsford, T. J., & Grattan, D. R. (2011). Loss of acute satiety response to cholecystokinin in pregnant rats. Journal of Neuroendocrinology, 23(11), 1091-1098. doi: 10.1111/j.1365-2826.2011.02191.x

Sjoeholm, A., Bridges, R. S., Grattan, D. R., & Anderson, G. M. (2011). Region-, neuron-, and signaling pathway-specific increases in prolactin responsiveness in reproductively experienced female rats. Endocrinology, 152(5), 1979-1988. doi: 10.1210/en.2010-1220

Brown, R. S. E., Herbison, A. E., & Grattan, D. R. (2011). Differential changes in responses of hypothalamic and brainstem neuronal populations to prolactin during lactation in the mouse. Biology of Reproduction, 84(4), 826-836. doi: 10.1095/biolreprod.110.089185

Phillipps, H. R., Kokay, I. C., Grattan, D. R., & Hurst, P. R. (2011). X-linked inhibitor of apoptosis protein and active caspase-3 expression patterns in antral follicles in the sheep ovary. Reproduction, 142, 855-867. doi: 10.1530/rep-11-0177

Brown, R. S. E., Kokay, I. C., Herbison, A. E., & Grattan, D. R. (2010). Distribution of prolactin-responsive neurons in the mouse forebrain. Journal of Comparative Neurology, 518(1), 92-102. doi: 10.1002/cne.22208

Ladyman, S. R., Augustine, R. A., & Grattan, D. R. (2010). Hormone interactions regulating energy balance during pregnancy. Journal of Neuroendocrinology, 22, 805-817. doi: 10.1111/j.1365-2826.2010.02017.x

Larsen, C. M., & Grattan, D. R. (2010). Prolactin-induced mitogenesis in the subventricular zone of the maternal brain during early pregnancy is essential for normal postpartum behavioral responses in the mother. Endocrinology, 151, 3805-3814. doi: 10.1210/en.2009-1385

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

Rouet, V., Bogorad, R. L., Kayser, C., Kessal, K., Genestie, C., Bardier, A., Grattan, D. R., … Goffin, V. (2010). Local prolactin is a target to prevent expansion of basal/stem cells in prostate tumors. PNAS, 107(34), 15199-15204. doi: 10.1073/pnas.0911651107

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

Yang, J. J., Larsen, C. M., Grattan, D. R., & Erskine, M. S. (2009). Mating-induced neuroendocrine responses during pseudopregnancy in the female mouse. Journal of Neuroendocrinology, 21(1), 30-39. doi: 10.1111/j.1365-2826.2008.01803.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

Augustine, R. A., Ladyman, S. R., & Grattan, D. R. (2008). From feeding one to feeding many: Hormone-induced changes in bodyweight homeostasis during pregnancy (Symposium report). Journal of Physiology, 586(2), 387-397. doi: 10.1113/jphysiol.2007.146316

Augustine, R. A., & Grattan, D. R. (2008). Induction of central leptin resistance in hyperphagic pseudopregnant rats by chronic prolactin infusion. Endocrinology, 149(3), 1049-1055. doi: 10.1210/en.2007-1018

Anderson, G. M., Kieser, D. C., Steyn, F. J., & Grattan, D. R. (2008). Hypothalamic prolactin receptor messenger ribonucleic acid levels, prolactin signaling, and hyperprolactinemic inhibition of pulsatile luteinizing hormone secretion are dependent on estradiol. Endocrinology, 149(4), 1562-1570. doi: 10.1210/en.2007-0867

Steyn, F. J., Anderson, G. M., & Grattan, D. R. (2008). Hormonal regulation of suppressors of cytokine signaling (SOCS) messenger ribonucleic acid in the arcuate nucleus during late pregnancy. Endocrinology, 149(6), 3206-3214. doi: 10.1210/en.2007-1623

Larsen, C. M., Kokay, I. C., & Grattan, D. R. (2008). Male pheromones initiate prolactin-induced neurogenesis and advance maternal behavior in female mice. Hormones & Behavior, 53(4), 509-517. doi: 10.1016/j.yhbeh.2007.11.020

Grattan, D. R., Steyn, F. J., Kokay, I. C., Anderson, G. M., & Bunn, S. J. (2008). Pregnancy-induced adaptation in the neuroendocrine control of prolactin secretion. Journal of Neuroendocrinology, 20(4), 497-507. doi: 10.1111/j.1365-2826.2008.01661.x

Grattan, D. R., & Kokay, I. C. (2008). Prolactin: A pleiotropic neuroendocrine hormone. Journal of Neuroendocrinology, 20(6), 752-763. doi: 10.1111/j.1365-2826.2008.01736.x

Brown, C. H., & Grattan, D. R. (2007). Does maternal oxytocin protect the fetal brain? Trends in Endocrinology & Metabolism, 18(6), 225-226.

Steyn, F. J., Anderson, G. M., & Grattan, D. R. (2007). Expression of ovarian steroid hormone receptors in tuberoinfundibular dopaminergic neurones during pregnancy and lactation. Journal of Neuroendocrinology, 19(10), 788-793. doi: 10.1111/j.1365-2826.2007.01590.x

Grattan, D. R., Ladyman, S. R., & Augustine, R. A. (2007). Hormonal induction of leptin resistance during pregnancy. Physiology & Behavior, 91, 366-374.

Steyn, F. J., Anderson, G. M., & Grattan, D. R. (2007). Differential effects of centrally-administered oestrogen antagonist ICI-182,780 on oestrogen-sensitive functions in the hypothalamus. Journal of Neuroendocrinology, 19(1), 26-33. doi: 10.1111/j.1365-2826.2006.01499.x

Josephs, T., Waugh, H., Kokay, I., Grattan, D., & Thompson, M. (2007). Fasting-induced adipose factor identified as a key adipokine that is up-regulated in white adipose tissue during pregnancy and lactation in the rat. Journal of Endocrinology, 194, 305-312.

Möderscheim, T. A. E., Gorba, T., Pathipati, P., Kokay, I. C., Grattan, D. R., Williams, C. E., & Scheepens, A. (2007). Prolactin is involved in glial responses following a focal injury to the juvenile rat brain. Neuroscience, 145, 963-973.

Grattan, D. R., Jasoni, C. L., Liu, X., Anderson, G. M., & Herbison, A. E. (2007). Prolactin regulation of gonadotropin-releasing hormone neurons to suppress luteinizing hormone secretion in mice. Endocrinology, 148(9), 4344-4351.

Kokay, I. C., Bull, P. M., Davis, R. L., Ludwig, M., & Grattan, D. R. (2006). Expression of the long form of the prolactin receptor in magnocellular oxytocin neurons is associated with specific prolactin regulation of oxytocin neurons. American Journal of Physiology: Regulatory, Integrative & Comparative Physiology, 290, R1216-R1225. doi: 10.1152/ajpregu.00730.2005

Anderson, G. M., Grattan, D. R., van den Ancker, W., & Bridges, R. S. (2006). Reproductive experience increases prolactin responsiveness in the medial preoptic area and arcuate nucleus of female rats. Endocrinology, 147(10), 4688-4694.

Anderson, G. M., Beijer, P., Bang, A. S., Fenwick, M. A., Bunn, S. J., & Grattan, D. R. (2006). Suppression of prolactin-induced signal transducer and activator of transcription 5b signaling and induction of suppressors of cytokine signaling messenger ribonucleic acid in the hypothalamic arcuate nucleus of the rat during late pregnancy and lactation. Endocrinology, 147(10), 4996-5005.

Andrews, Z. B., Zhao, H., Frugier, T., Meguro, R., Grattan, D. R., Koishi, K., & McLennan, I. S. (2006). Transforming growth factor beta2 haploinsufficient mice develop age-related nigrostriatal dopamine deficits. Neurobiology of Disease, 21, 568-575. doi: 10.1016/j.nbd.2005.09.001

Ma, F. Y., Anderson, G. M., Gunn, T. D., Goffin, V., Grattan, D. R., & Bunn, S. J. (2005). Prolactin specifically activates signal transducer and activator of transcription 5b in neuroendocrine dopaminergic neurons. Endocrinology, 146(12), 5112-5119.

Ma, F. Y., Grattan, D. R., Goffin, V., & Bunn, S. J. (2005). Prolacting-regulated tyrosine hydroxylase activity and messenger ribonucleic acid expression in mediobasal hypothalamic cultures: The differential role of specific protein kinases. Endocrinology, 146(1), 93-102.

Ma, E., Lau, J., Grattan, D. R., Lovejoy, D. A., & Wynne-Edwards, K. E. (2005). Male and female prolactin receptor mRNA expression in the brain of a biparental and a uniparental hamster, Phodopus, before and after the birth of a litter. Journal of Neuroendocrinology, 17(2), 81-90.

Ladyman, S. R., & Grattan, D. R. (2005). Suppression of leptin receptor messenger ribonucleic acid and leptin responsiveness in the ventromedial nucleus of the hypothalamus during pregnancy in the rat. Endocrinology, 146(9), 3868-3874.

Kokay, I. C., & Grattan, D. R. (2005). Expression of mRNA for prolactin receptor (long form) in dopamine and pro-opiomelanocortin neurones in the arcuate nucleus of non-pregnant and lactating rats. Journal of Neuroendocrinology, 17, 827-835.

Ma, F. Y., Grattan, D. R., Bobrovskaya, L., Dunkley, P. R., & Bunn, S. J. (2004). Angiotensin II regulates tyrosine hydroxylase activity and mRNA expression in rat mediobasal hypothalamic cultures: The role of specific protein kinases. Journal of Neurochemistry.

Andrews, Z. B., & Grattan, D. R. (2004). The roles of dopamine and the neurointermediate lobe of the pituitary in the regulation of prolactin secretion during late pregnancy in rats. Journal of Neuroendocrinology, 16, 859-865.

Ladyman, S. R., & Grattan, D. R. (2004). Region-specific reduction in leptin-induced phosphorylation of signal transducer and activator of transcription-3 (STAT3) in the rat hypothalamus is associated with leptin resistance during pregnancy. Endocrinology, 145(8), 3704-3711.

Todd, B. J., Ladyman, S. R., & Grattan, D. R. (2003). Suppression of pulsatile luteinizing hormone secretion but not luteinizing hormone surge in leptin resistant obese Zucker rats. Journal of Neuroendocrinology, 15, 61-68.

Bridges, R. S., & Grattan, D. R. (2003). Prolactin-induced neurogenesis in the maternal brain. Trends in Endocrinology & Metabolism, 14(5), 199-201.

Anderson, S. T., Kokay, I. C., Lang, T., Grattan, D. R., & Curlewis, J. D. (2003). Quantification of prolactin-releasing peptide (PrRP) mRNA expression in specific brain regions of the rat during the oestrous cycle and in lactation. Brain Research, 973(1), 64-73. doi: 10.1016/S0006-8993(03)02543-5

Augustine, R. A., Kokay, I. C., Andrews, Z. B., Ladyman, S. R., & Grattan, D. R. (2003). Quantitation of prolactin receptor mRNA in the maternal rat brain during pregnancy and lactation. Journal of Molecular Endocrinology, 31, 221-232.

Andrews, Z. B., & Grattan, D. R. (2003). Opioid receptor subtypes involved in the regulation of prolactin secretion during pregnancy and lactation. Journal of Neuroendocrinology, 15, 227-236.

Pi, X.-J., Voogt, J., & Grattan, D. R. (2002). Detection of prolactin receptor mRNA in the corpus striatum and substantia nigra of the rat. Journal of Neuroscience Research, 67, 551-558.

Andrews, Z. B., & Grattan, D. R. (2002). Opioid control of prolactin secretion in late pregnant rats is mediated by tuberoinfundibular dopamine neurons. Neuroscience Letters, 328, 60-64.

Davey, H. W., Xie, T., McLachlan, M. J., Wilkins, R. J., Waxman, D., & Grattan, D. R. (2001). STAT5b is required for GH-induced liver Igf-I gene expression. Endocrinology, 142(9), 3836-3841.

Kornblatt, J. J., & Grattan, D. R. (2001). Lactation alters γ-aminobutyric acid neuronal activity in the hypothalamus and cerebral cortex in the rat. Neuroendocrinology, 73, 175-184.

Grattan, D. R., Pi, X. J., Andrews, Z. B., Augustine, R. A., Kokay, I. C., Summerfield, M. R., Todd, B., & Bunn, S. J. (2001). Prolactin receptors in the brain during pregnancy and lactation: Implications for behaviour. Hormones & Behavior, 40, 115-124.

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