The Denver laboratory studies hormone action in animal development with an emphasis on the neuroendocrine system. Their research is multidisciplinary, spanning evolution, development, ecology and cellular and molecular biology.
Denver, R.J. (1997) Environmental stress as a developmental cue: Corticotropin-releasing hormone is a proximate mediator of adaptive phenotypic plasticity in amphibian metamorphosis. Hormones and Behavior 31:169-179.
Boorse, G.C. and Denver, R.J. (2004) Expression and hypophysiotropic actions of corticotropin releasing factor in Xenopus laevis. General and Comparative Endocrinology 137:272-282.
Yao, M., Westphal, N. and Denver, R.J. (2004) Neuroanatomical distribution and stressor-induced activation of central corticotropin-releasing factor neurons in Xenopus laevis. Journal of Neuroendocrinology 16:880-893.
Yao,M., Stenzel-Poore, M. and Denver, R.J. (2007) Structural and functional conservation of vertebrate corticotropin-releasing factor genes: evidence for a critical role for a conserved cyclic AMP response element. Endocrinology 148:2518-2531.
Boorse, G.C., Crespi, E.J., Dautzenberg, F.M. and Denver, R.J. (2005) Urocortins from the South African clawed frog Xenopus laevis: Conservation of structure and function in tetrapod evolution. Endocrinology 146:4851-4860 PMID:16037378.
Distribution in adult Xenopus laevis brain analyzed by immunohistochemistry (neuroanatomical map from Tuinhof R, Ubink R, Tanaka S, Atzori C, van Strien FJ, Roubos EW. Distribution of pro-opiomelanocortin and its peptide end products in the brain and hypophysis of the aquatic toad, Xenopus laevis. Cell Tissue Res. 1998;292(2):251-265).
Yao, M., Hu, F. and Denver, R.J. (2008) Distribution and corticosteroid regulation of glucocorticoid receptor expression in the brain of Xenopus laevis. Journal of Comparative Neurology 508:967-982 doi: 10.1002/cne.21716 PMID:18399546.
Roubos, E., Kuribara, M., Kuipers-Kwant, F., Coenen, T., Meijer, K., Cruijsen, P. and Denver, R.J. (2009) Dynamics of glucocorticoid and mineralocorticoid receptors in the Xenopus laevis pituitary pars intermedia. Annals of the NY Academy of Sciences 1163: 292-295 doi: 10.1111/j.1749-6632.2008.03647.x PMID:19456350.
Hu, F., Crespi, E.J. and Denver, R.J. (2008) Programming neuroendocrine stress axis activity by exposure to glucocorticoids during postembryonic development in Xenopus laevis. Endocrinology 149:5470-5481 doi: 10.1210/en.2008-0767 PMID:18653715.
Kyono, Y., Raj, S., Sifuentes, C., Buisine, N., Sachs, L. and Denver, R.J. (2020) DNA methylation dynamics underlie metamorphic gene regulation programs in Xenopus tadpole brain. Developmental Biology 462:180-196, doi: 10.1016/j.ydbio.2020.03.013 PMID:32240642.
Valverde, R.A., Seasholtz, A.F., Cortright, D.N. and Denver, R.J. (2001). Biochemical characterization and expression analysis of the Xenopus laevis corticotropin-releasing hormone binding protein. Molecular and Cellular Endocrinology 173:29-40 PMID:11223175.
Seasholtz, A.F., Valverde, R.A. and Denver, R.J. (2002). Corticotropin-releasing hormone-binding protein (CRH-BP): Biochemistry and function from fishes to mammals. Journal of Endocrinology 175(1): 89-97. PMID:12379493.
Bagamasbad, P., Bonett, R.M., Sachs, L., Buisine, N., Raj, S., Knoedler, J.R., Kyono, Y., Ruan, Y., Ruan, X. and Denver, R.J. (2015) Deciphering the regulatory logic of an ancient, ultraconserved nuclear receptor enhancer module. Molecular Endocrinology 29:856-872 doi: 10.1210/me.2014-1349 PMID:25866873.
Ávila-Mendoza, J., Subramani, A., Sifuentes, C.J. and Denver, R.J. (2020) Molecular mechanisms for Krüppel-like factor 13 actions in hippocampal neurons. Molecular Neurobiology doi: 10.1007/s12035-020-01971-w PMID:32578009.
Crespi, E.J. and Denver, R.J. (2006) Leptin (ob gene) of the South African clawed frog Xenopus laevis. Proceedings of the National Academy of Sciences USA 103:10092-10097 PMID:16782821.
Bender, M.C., Hu, C., Pelletier, C. and Denver, R.J. (2018) To eat or not to eat: Ontogeny of hypothalamic feeding controls and a role for leptin in modulating life history transition in amphibian tadpoles. Proceedings of the Royal Society B 285: 20172784. doi: 10.1098/rspb.2017.2784 PMID:29593109.
Nakajima K, Yaoita Y. Dual mechanisms governing muscle cell death in tadpole tail during amphibian metamorphosis. Developmental Dynamics. 2003;227(2):246-2; Boorse, G.C., Kholdani, C.A., Seasholtz, A.F. and Denver, R.J. (2006). Corticotropin-releasing factor is cytoprotective in Xenopus tadpole tail: Integration of ligand, receptor and binding protein in tail muscle cell survival. Endocrinology 147:1498-1507 PMID:16322064.
Bender, M.C., Hu, C., Pelletier, C. and Denver, R.J. (2018) To eat or not to eat: Ontogeny of hypothalamic feeding controls and a role for leptin in modulating life history transition in amphibian tadpoles. Proceedings of the Royal Society B 285: 20172784. doi: 10.1098/rspb.2017.2784 PMID:29593109.
Bagamasbad, P., Bonett, R.M., Sachs, L., Buisine, N., Raj, S., Knoedler, J.R., Kyono, Y., Ruan, Y., Ruan, X. and Denver, R.J. (2015) Deciphering the regulatory logic of an ancient, ultraconserved nuclear receptor enhancer module. Molecular Endocrinology 29:856-872 doi: 10.1210/me.2014-1349 PMID:25866873.
Knoedler, J.R., Ávila-Mendoza, J., Subramani, A., C. and Denver, R.J. (2020) The paralogous Krüppel-like factors 9 and 13 regulate the mammalian cellular circadian clock output gene Dbp. Journal of Biological Rhythms doi: 10.1177/0748730420913205 PMID:32241200 PMID:28407733.
Lebel JM, Dussault JH, Puymirat J. Overexpression of the beta 1 thyroid receptor induces differentiation in neuro-2a cells. Proc Natl Acad Sci U S A. 1994;91(7):2644-2648; Kyono, Y., Subramani, A., Ramadoss, P., Hollenberg, A.N., Bonett, R.M. and Denver, R.J. (2016) Liganded thyroid hormone receptors transactivate the DNA methyltransferase 3a gene in mouse neuronal cells. Endocrinology 157:3647-3657 doi: 10.1210/en.2015-1529 PMID:27387481
Knoedler, J.R., Subramani, A. and Denver, R.J. (2017) The Krüppel-like factor 9 cistrome in mouse hippocampal neurons reveals predominant transcriptional repression via proximal promoter binding. BMC Genomics 18:299. doi: 10.1186/s12864-017-3640-7 PMID:28407733.
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