.

Publications

2014

Morin SJ, Decatur WA, Breton TS, Marquis TJ, Hayes MK, Berlinsky DL, Sower SA., 2014. Identification and expression of GnRH2 and GnRH3 in the black sea bass (Centropristis striata), a hermaphroditic teleost. Fish Physiol Biochem. [Epub ahead of print] PubMed

Breton TS, DiMaffio MA, Sower SA, Berlinsky DL., 2014. Brain aromatase (cyp19a1b) and gonadotropin releasing hormone (gnrh2 and gnrh3) expression during reproductive development and sex change in black sea bass (Centropristis striata). Comp Biochem Physiol A Mol Integr Physiol. 181, 45-53. PubMed

2013

Freamat M, Sower SA., 2013. Integrative Neuro-Endocrine Pathways in the Control of Reproduction in Lamprey: A Brief Review. Front Endocrinol (Lausanne). 4 (151) 1-10. Review. PubMed

Decatur W.A., Hall J.A., Smith J.J., Li W., Sower S.A., 2013. Insight from the Lamprey Genome: Glimpsing Early Vertebrate Development via Neuroendocrine-Associated genes and Shared Synteny of Gonadotropin-Releasing hormone (GnRH). Gen Comp Endocrinol. 192, 237-245. PubMed

Ellens E.R., Kittilson J.D., Hall J.A., Sower S.A., Sheridan M.A., 2013. Evolutionary origin and divergence of the growth hormone receptor family: Insight from studies on sea lamprey. Gen Comp Endocrinol. 192, 222-236. PubMed

Clemens, B.J., S. van de Wetering, S.A. Sower and C.B. Schreck. 2013. Maturation characteristics and life-history strategies of the Pacific lamprey, Entosphenus tridentatus. Can J. Zool. 91, 775-788. Canadian Journal of Zoology

Hall J.A., Decatur W.A., Daukss D.M., Hayes M.K., Marquis T.J., Morin S.J., Kelleher T.F., Sower S.A., 2013. Expression of three GnRH receptors in specific tissues in male and female sea lampreys Petromyzon marinus at three distinct life stages. Front Neurosci. 7 (88) 1-9. PubMed

Smith, J.J., Kuraku, S., Holt, C., Sauka-Spengler, T., Jiang, N., Campbell, M.S., Yandell, M.D., Manousaki, T., Meyer, A., Bloom, O.E., Morgan, J.R., Buxbaum,J.D., Sachidanandam, R., Sims, C., Garruss, A.s., Cook, M., Krumlauf, R., Wiedemann, L.M., Sower, S.A., Decatur, W.A., Hall, J.A., Amemiya, C.T., Saha, N.R., Buckley, K.M., Rast, J.P., Das, S., Hirano, M., McCurley, N., Guo, P., Rohner, N., Tabin, C.J., Piccinelli, P., Elgar, G., Ruffier, M., Aken, B.L., Searle, S.M.J., Muffato, M., Pignatelli, M., Herrero, J., Jones, M., Brown, C.T., Chung-Davidson, Y., Nanlohy, K.G., Libants, S.V., Yeh, C., McCauley, D.W., Langeland, J.A., Pancer, Z., Fritzsch, B., de Jong, P.J., Zhu, B., Fulton, L.L., Theising, B., Flicek, P., Bronner, M.E., Warren, W.C., Clifton, S.W., Wilson, R.K., Li, W., 2013. Sequencing of the sea lamprey (Petromyzon marinus) genome provides insights into vertebrate evolution. 45, 415–421. Nature Genetics

Uchida, K., Moriyama, S., Sower, S. A. and Nozaki, M., 2013. Glycoprotein hormone in the pituitary of hagfish and its evolutionary implications. Fish Physiol Biochem. 39 (1):75-83. PubMed

2012

Sower S.A., Decatur W.A., Joseph N.T., Freamat M., 2012. Evolution of vertebrate GnRH receptors from the perspective of a Basal vertebrate. Front Endocrinol (Lausanne). 3 (140) 1-7. PubMed

Daukss, D., Gazda, K., Kosugi, T., Osugi, T., Tsutsui, K. and Sower, S. A., 2012. Effects of lamprey PQRFamide peptides on brain gonadotropin-releasing hormone concentrations and pituitary gonadotropin-beta mRNA expression. Gen Comp Endocrinol. 177, 215-9. PubMed

Joseph, N. T., Aquilina-Beck, A., Macdonald, C., Decatur, W. A., Hall, J. A., Kavanaugh, S. I. and Sower, S. A., 2012. Molecular Cloning and Pharmacological Characterization of Two Novel GnRH Receptors in the Lamprey (Petromyzon marinus). Endocrinology. 153, 3345-56. PubMed

Osugi, T., Daukss, D., Gazda, K., Ubuka, T., Kosugi, T., Nozaki, M., Sower, S. A. and Tsutsui, K., 2012. Evolutionary origin of the structure and function of gonadotropin-inhibitory hormone: insights from lampreys. Endocrinology. 153, 2362-74. PubMed

Trudeau, V. L., Martyniuk, C. J., Zhao, E., Hu, H., Volkoff, H., Decatur, W. A. and Basak, A., 2012. Is secretoneurin a new hormone? Gen Comp Endocrinol. 175, 10-8. PubMed

Wong, M. K., Sower, S. A. and Takei, Y., 2012. The presence of teleost-type angiotensin components in lamprey buccal gland suggests a role in endocrine mimicry. Biochimie. 94, 637-48. PubMed

Clemens B.J., Sower, S.A., van de Wetering, S., et al., 2012. Incidence of male intersex in adult Pacific lamprey (Entosphenus tridentatus), with a brief discussion of intersex vs. hermaphroditism in lampreys (Petromyzontiformes). Canadian Journal of Zoology. 90 (9), 1201-1206. Canadian Journal of Zoology

2011

Kim, D. K., Cho, E. B., Moon, M. J., Park, S., Hwang, J. I., Kah, O., Sower, S. A., Vaudry, H. and Seong, J. Y., 2011. Revisiting the evolution of gonadotropin-releasing hormones and their receptors in vertebrates: secrets hidden in genomes. Gen Comp Endocrinol. 170, 68-78. PubMed

Sower, S. A., Balz, E., Aquilina-Beck, A. and Kavanaugh, S. I., 2011. Seasonal changes of brain GnRH-I, -II, and -III during the final reproductive period in adult male and female sea lamprey. Gen Comp Endocrinol. 170, 276-82. PubMed

Sower, S. A. and Baron, M. P., 2011. The interrelationship of estrogen receptor and GnRH in a Basal vertebrate, the sea lamprey. Front Endocrinol (Lausanne). 2, 58. Frontiers

2010

Clemens, B. J., Binder, T., Docker, M., Moser, M. L. and Sower, S. A., 2010. Similarities, Differences, and Unknowns in Biology and Management of Three Parasitic Lampreys of North America. Fisheries. 35, 580-596. Fisheries

Freamat, M. and Sower, S. A., 2010. Functional divergence of glycoprotein hormone receptors. Integrative and Comparative Biology. 50, 110-123. Oxford Publications

Holland, L. Z. and Sower, S. A., 2010. "Insights of Early Chordate Genomics: Endocrinology and Development in Amphioxus, Tunicates and Lamprey’s": Introduction to the symposium. Integrative and Comparative Biology. 50, 17-21. Oxford Publications

Kosugi, T. and Sower, S. A., 2010. A role of Histidine151 in the lamprey gonadotropin-releasing hormone receptor-1 (lGnRHR-1): Functional insight of diverse amino acid residues in the position of Tyr of the DRY motif in GnRHR from an ancestral type II receptor. Gen Comp Endocrinol. 166, 498-503. PubMed

Mesa, M. G., Bayer, J. M., Bryan, M. B. and Sower, S. A., 2010. Annual sex steroid and other physiological profiles of Pacific lampreys (Entosphenus tridentatus). Comp Biochem Physiol A Mol Integr Physiol. 155, 56-63. PubMed

Sower, S. A. and Kawauchi, H., 2010, Reproduction in Agnathan Fishes: Lampreys and Hagfishes. In: Norris, D. O. and Lopez, K. H., (Eds.), In Hormones and Reproduction of Vertebrates. Academic Press.

Uchida, K., Moriyama, S., Chiba, H., Shimotani, T., Honda, K., Miki, M., Takahashi, A., Sower, S. A. and Nozaki, M., 2010. Evolutionary origin of a functional gonadotropin in the pituitary of the most primitive vertebrate, hagfish. Proc Natl Acad Sci U S A. 107 (36), 15832-7. PubMed

2009

Denver, R. J., Hopkins, P. M., McCormick, S. D., Propper, C. R., Riddiford, L., Sower, S. A. and Wingfield, J. C., 2009. Comparative endocrinology in the 21st century. Integr Comp Biol. 49, 339-348. PubMed

Kawauchi, H., Sower, S. A. and Moriyama, H., 2009, The neuroendocrine regulation of prolactin and somatolactin in secretion in fish. In: Bernier, N., Van Der Kraak, G., Farrell, A., Brauner, C, (Ed.).

Sower, S. A., Freamat, M. and Kavanaugh, S., 2009, Insight from Lamprey Genomics: Brain and Pituitary Reproductive Hormones of Lampreys. In: Brown, L., Chase, S., Mesa, M., Beamish, R. and Moyle, P., (Eds.), Transactions of the American Fisheries Society -Biology, management, and conservation of lampreys in North America. American Fisheries Society, Symposium 72, Bethesda, Maryland, pp. 57-70.

Sower, S. A., Freamat, M. and Kavanaugh, S. I., 2009. The origins of the vertebrate hypothalamic-pituitary-gonadal (HPG) and hypothalamic-pituitary-thyroid (HPT) endocrine systems: new insights from lampreys. Gen Comp Endocrinol. 161, 20-9. PubMed

2008

Freamat, M. and Sower, S. A., 2008. A sea lamprey glycoprotein hormone receptor similar with gnathostome thyrotropin hormone receptor. J Mol Endocrinol. 41, 219-28. PubMed

Freamat, M. and Sower, S. A., 2008. Glycoprotein hormone receptors in the sea lamprey Petromyzon marinus. Zoolog Sci. 25, 1037-44. PubMed

Kavanaugh, S. I., Nozaki, M. and Sower, S. A., 2008. Origins of gonadotropin-releasing hormone (GnRH) in vertebrates: identification of a novel GnRH in a basal vertebrate, the sea lamprey. Endocrinology. 149, 3860-9. PubMed

LaFiandra, E. M., Babbitt, K. J. and Sower, S. A., 2008. Effects of atrazine on anuran development are altered by the presence of a nonlethal predator. J Toxicol Environ Health A. 71, 505-11. PubMed

Ngernsoungnern, A., Ngernsoungnern, P., Kavanaugh, S., Sower, S. A., Sobhon, P. and Sretarugsa, P., 2008. The identification and distribution of gonadotropin-releasing hormone-like peptides in the central nervous system and ovary of the giant freshwater prawn, Macrobrachium rosenbergii. Invert Neurosci. 8, 49-57. PubMed

Ngernsoungnern, P., Ngernsoungnern, A., Kavanaugh, S., Sobhon, P., Sower, S. A. and Sretarugsa, P., 2008. The presence and distribution of gonadotropin-releasing hormone-liked factor in the central nervous system of the black tiger shrimp, Penaeus monodon. Gen Comp Endocrinol. 155, 613-22. PubMed

Nozaki, M., Ominato, K., Shimotani, T., Kawauchi, H., Youson, J. H. and Sower, S. A., 2008. Identity and distribution of immunoreactive adenohypophysial cells in the pituitary during the life cycle of sea lampreys, Petromyzon marinus. Gen Comp Endocrinol. 155, 403-12. PubMed

2007

Moriyama, S., Kasahara, M., Amiya, N., Takahashi, A., Amano, M., Sower, S. A., Yamamori, K. and Kawauchi, H., 2007. RFamide peptides inhibit the expression of melanotropin and growth hormone genes in the pituitary of an Agnathan, the sea lamprey, Petromyzon marinus. Endocrinology. 148, 3740-9. PubMed

2006

Freamat, M., Kawauchi, H., Nozaki, M. and Sower, S. A., 2006. Identification and cloning of a glycoprotein hormone receptor from sea lamprey, Petromyzon marinus. J Mol Endocrinol. 37, 135-46. PubMed

Kawauchi, H. and Sower, S. A., 2006. Mini review: The dawn and evolution of hormones in the adenohypophysis. Gen Comp Endocrinol. 148, 3-14. PubMed

Moriyama, S., Oda, M., Takahashi, A., Sower, S. A. and Kawauchi, H., 2006. Genomic structure of the sea lamprey growth hormone-encoding gene. Gen Comp Endocrinol. 148, 33-40. PubMed

Osugi, T., Ukena, K., Sower, S. A., Kawauchi, H. and Tsutsui, K., 2006. Evolutionary origin and divergence of PQRFamide peptides and LPXRFamide peptides in the RFamide peptide family. Insights from novel lamprey RFamide peptides. FEBS J. 273, 1731-43. PubMed

Powell, M. L., Kavanaugh, S. and Sower, S. A., 2006. Identification of a functional corpus luteum in the Atlantic hagfish, Myxine glutinosa. Gen Comp Endocrinol. 148, 95-101. PubMed

Silver, M. R. and Sower, S. A., 2006. Functional characterization and kinetic studies of an ancestral lamprey GnRH-III selective type II GnRH receptor from the sea lamprey, Petromyzon marinus. J Mol Endocrinol. 36, 601-10. PubMed

Sower, S. A., Moriyama, S., Kasahara, M., Takahashi, A., Nozaki, M., Uchida, K., Dahlstrom, J. M. and Kawauchi, H., 2006. Identification of sea lamprey GTHbeta-like cDNA and its evolutionary implications. Gen Comp Endocrinol. 148, 22-32. PubMed

Takahashi, A., Nakata, O., Kasahara, M., Sower, S. A. and Kawauchi, H., 2006. Structures for the proopiomelanocortin family genes proopiocortin and propiomelanotropin in the sea lamprey Petromyzon marinus. Gen. Comp. Endocrinol. 144, 174-181. PubMed

Takahashi, A., Nakata, O., Moriyama, S., Nozaki, M., Joss, J. M., Sower, S. A. and Kawauchi, H., 2006. Occurrence of two functionally distinct proopiomelanocortin genes in all modern lampreys. Gen Comp Endocrinol. 148, 72-8. PubMed

Takahashi, A., Yasuda, A., Sower, S. A. and Kawauchi, H., 2006. Posttranslational processing of proopiomelanocortin family molecules in sea lamprey based on mass spectrometric and chemical analyses. Gen Comp Endocrinol. 148, 79-84. PubMed

Youson, J. H., Heinig, J. A., Khanam, S. F., Sower, S. A., Kawauchi, H. and Keeley, F. W., 2006. Patterns of proopiomelanotropin and proopiocortin gene expression and of immunohistochemistry for gonadotropin-releasing hormones (lGnRH-I and III) during the life cycle of a nonparasitic lamprey: relationship to this adult life history type. Gen Comp Endocrinol. 148, 54-71. PubMed

2005

Kavanaugh, S. I., Powell, M. L. and Sower, S. A., 2005. Seasonal changes of gonadotropin-releasing hormone in the Atlantic hagfish Myxine glutinosa. Gen Comp Endocrinol. 140, 136-43. PubMed

Kavanaugh, S. I., Root, A. R. and Sower, S. A., 2005. Isolation of gonadotropin-releasing hormone (GnRH) and its distribution by in situ hybridization in the tunicate Ciona intestinalis. Gen. Comp. Endocrinol. 141, 76-83. PubMed

Nozaki, M., Oshima, Y., Miki, M., Shimotani, T., Kawauchi, H. and Sower, S. A., 2005. Distribution of immunoreactive adenohypophysial cell types in the pituitaries of the Atlantic and the Pacific hagfish, Myxine glutinosa and Eptatretus burgeri. Gen Comp Endocrinol. 143, 142-50. PubMed

Powell, M. L., Kavanaugh, S. I. and Sower, S. A., 2005. Current knowledge of hagfish reproduction: implications for fisheries management. Integr Comp Biol. 45, 158-65. OxfordJournals

Root, A. R., Nucci, N. V., Sanford, J. D., Rubin, B. S., Trudeau, V. L. and Sower, S. A., 2005. In situ characterization of gonadotropin- releasing hormone-I, -III, and glutamic acid decarboxylase expression in the brain of the sea lamprey, Petromyzon marinus. Brain Behav Evol. 65, 60-70. PubMed

Silver, M. R., Nucci, N. V., Root, A. R., Reed, K. L. and Sower, S. A., 2005. Cloning and characterization of a functional type II gonadotropin-releasing hormone receptor with a lengthy carboxy-terminal tail from an ancestral vertebrate, the sea lamprey. Endocrinology. 146, 3351-61. PubMed

Takahashi, A., Nakata, O., Kasahara, M., Sower, S. A. and Kawauchi, H., 2005. Structures for the proopiomelanocortin family genes proopiocortin and proopiomelanotropin in the sea lamprey Petromyzon marinus. Gen Comp Endocrinol. 144, 174-81. PubMed

Takahashi, A., Nakata, O., Kosugi, T., Kako, K., Sakai, T., Ito, M., Takamatsu, N., Shiba, T., Sower, S. A. and Kawauchi, H., 2005. Promoter activity of sea lamprey proopiocortin and proopiomelanotropin genes in AtT-20/D16v cells. Gen Comp Endocrinol. 144, 182-7. PubMed

2004

Bentley, G. E., Moore, I. T., Sower, S. A. and Wingfield, J. C., 2004. Evidence for a novel gonadotropin-releasing hormone in hypothalamic and forebrain areas in songbirds. Brain Behav Evol. 63, 34-46. PubMed

Powell, M. L., Kavanaugh, S. I. and Sower, S. A., 2004. Seasonal concentrations of reproductive steroids in the gonads of the Atlantic hagfish, Myxine glutinosa. J Exp Zool A Comp Exp Biol. 301, 352-60. PubMed

Root, A. R., Sanford, J. D., Kavanaugh, S. I. and Sower, S. A., 2004. In vitro and in vivo effects of GABA, muscimol, and bicuculline on lamprey GnRH concentration in the brain of the sea lamprey (Petromyzon marinus). Comp Biochem Physiol A Mol Integr Physiol. 138, 493-501. PubMed

Silver, M. R., Kawauchi, H., Nozaki, M. and Sower, S. A., 2004. Cloning and analysis of the lamprey GnRH-III cDNA from eight species of lamprey representing the three families of Petromyzoniformes. Gen Comp Endocrinol. 139, 85-94. PubMed

Sower, S. A., Nucci, N. V. and Silver, M. R., 2004. Family of Gonadotropin- Releasing Hormone. Encyclopedia of Endocrine Diseases. 3043.

Young, B. A., Bryan, M. B. and Sower, S. A., 2004. The effect of chemosterilization on sex steroid production in male sea lampreys. Transactions of the American Fisheries Society. 133, 1270-1276.

Young, B. A., Bryan, M. B., Sower, S. A., Scott, A. P. and Li, W., 2004. 15alpha-hydroxytestosterone induction by GnRH I and GnRH III in Atlantic and Great Lakes sea lamprey (Petromyzon marinus L.). Gen Comp Endocrinol. 136, 276-81. PubMed

2003

Docker, M. F., Sower, S. A., Youson, J. H. and Beamish, F. W. H., 2003. Future sea lamprey control through regulation of metamorphosis and reproduction: A report from the SLIS II New Science and Control workgroup. Journal of Great Lakes Research. 29, 801-807.

Gorbman, A. and Sower, S. A., 2003. Evolution of the role of GnRH in animal (Metazoan) biology. Gen Comp Endocrinol. 134, 207-13.PubMed

Nozaki, M., Oshima, Y., Shimotani, T. and Sower, S. A., 2003. Immunohistochemical detection of gonadotropin-like material in the hagfish pituitary, correlated with their gonadal maturation. Fish Physiol Biochem. 28, 85-87.

Sower, S. A., 2003. The Endocrinology of Reproduction in Lampreys and Applications for Male Lamprey Sterilization. J. Great Lakes Res. 29, 50-65.

Sower, S. A., Powell, M. L. and Kavanaugh, S. I., "Myziniformes". In: Michael Hutchins, D. A. T., Paul V. Loiselle, and Neil Schlager, (Ed.), Grzimek’s Animal Life Encyclopedia, 2nd Edition. Gale Group, Farmington Hills, MI, 2003, pp. 77-82.

Sower, S. A. and Silver, M. R., 2003. "Petromysoniformes". Grzimek’s Animal Life Encyclopedia, 2nd Edition. 1, 83-90.

Takahashi, A., Amemiya, Y., Nozaki, M., Sower, S. A. and Kawauchi, H., 2003. Molecular evolution of proopiomelanocortin in fish. IN: Aquatic Genomics-Steps Toward a Great Future. 217-224.

2002

Flynn, K. M., Miller, S. A., Sower, S. A. and Schreibman, M. P., 2002. Sexually dimorphic effects of NMDA receptor antagonism on brain-pituitary-gonad axis development in the platyfish. Comp Biochem Physiol C Toxicol Pharmacol. 131, 9-18. PubMed

Grove-Strawser, D., Sower, S. A., Ronsheim, P. M., Connolly, J. B., Bourn, C. G. and Rubin, B. S., 2002. Guinea pig GnRH: localization and physiological activity reveal that it, not mammalian GnRH, is the major neuroendocrine form in guinea pigs. Endocrinology. 143, 1602-12. PubMed

Hiney, J. K., Sower, S. A., Yu, W. H., McCann, S. M. and Dees, W. L., 2002. Gonadotropin-releasing hormone neurons in the preoptic-hypothalamic region of the rat contain lamprey gonadotropin-releasing hormone III, mammalian luteinizing hormone-releasing hormone, or both peptides. Proc Natl Acad Sci U S A. 99, 2386-91. PubMed

Kawauchi, H., Suzuki, K., Yamazaki, T., Moriyama, S., Nozaki, M., Yamaguchi, K., Takahashi, A., Youson, J. and Sower, S. A., 2002. Identification of growth hormone in the sea lamprey, an extant representative of a group of the most ancient vertebrates. Endocrinology. 143, 4916-21. PubMed

Moriyama, S., Ito, T., Takahashi, A., Amano, M., Sower, S. A., Hirano, T., Yamamori, K. and Kawauchi, H., 2002. A homolog of mammalian PRL-releasing peptide (fish arginyl-phenylalanyl-amide peptide) is a major hypothalamic peptide of PRL release in teleost fish. Endocrinology. 143, 2071-9. PubMed

Reed, K. L., MacIntyre, J. K., Tobet, S. A., Trudeau, V. L., MacEachern, L., Rubin, B. S. and Sower, S. A., 2002. The spatial relationship of gamma-aminobutyric acid (GABA) neurons and gonadotropin-releasing hormone (GnRH) neurons in larval and adult sea lamprey, Petromyzon marinus. Brain Behav Evol. 60, 1-12. PubMed

2001

Bird, D. J., Potter, I. C., Sower, S. A. and Baker, B. I., 2001. The distribution of melanin-concentrating hormone in the lamprey brain. Gen Comp Endocrinol. 121, 232-41. PubMed

Fort, D. J., Rogers, R. L., Paul, R. R., Miller, M. F., Clark, P., Stover, E. L., Yoshioko, J., Quimby, F., Sower, S. A., Reed, K. L., Babbitt, K. J. and Rolland, R., 2001. Effects of pond water, sediment and sediment extract samples from New Hampshire, USA on early Xenopus development and metamorphosis: comparison to native species. J Appl Toxicol. 21, 199-209. PubMed

McCann, S. M., Karanth, S., Mastronardi, C. A., Dees, W. L., Childs, G., Miller, B., Sower, S. and Yu, W. H., 2001. Control of gonadotropin secretion by follicle-stimulating hormone-releasing factor, luteinizing hormone-releasing hormone, and leptin. Arch Med Res. 32, 476-85. PubMed

Nozaki, M., Ominato, K., Takahashi, A., Kawauchi, H. and Sower, S. A., 2001. Adenohypophysial cell types in the lamprey pituitary: current state of the art. Comp Biochem Physiol B Biochem Mol Biol. 129, 303-9. PubMed

Sower, S. A. and Kawauchi, H., 2001. Update: brain and pituitary hormones of lampreys. Comp Biochem Physiol B Biochem Mol Biol. 129, 291-302. PubMed

Takahashi, A., Amemiya, Y., Nozaki, M., Sower, S. A. and Kawauchi, H., 2001. Evolutionary significance of proopiomelanocortin in agnatha and chondrichthyes. Comp Biochem Physiol B Biochem Mol Biol. 129, 283-9. PubMed

Youson, J. H. and Sower, S. A., 2001. Theory on the evolutionary history of lamprey metamorphosis: role of reproductive and thyroid axes. Comp Biochem Physiol B Biochem Mol Biol. 129, 337-45. PubMed

2000

Berghman, L. R., D'Hondt, E., Puebla, N., Dees, L., Hiney, J., Sower, S. A. and Vandesande, F., 2000. Immunocytochemical evidence for the existence of a lamprey luteinizing hormone-releasing hormone type III-like peptide in the chicken hypothalamus. British Poultry Science. 41, S56-S57.

Forlano, P. M., Maruska, K. P., Sower, S. A., King, J. A. and Tricas, T. C., 2000. Differential distribution of gonadotropin-releasing hormone-immunoreactive neurons in the stingray brain: functional and evolutionary considerations. Gen Comp Endocrinol. 118, 226-48. PubMed

Gazourian, L., Evans, E. L., Hanson, L., Chase, C. and Sower, S. A., 2000. The effects of lamprey GnRH-I, -III and analogs on steroidogenesis in the sea lamprey (Petromyzon marinus). Aquaculture. 188, 147-165.

Nozaki, M., Ominato, K., Gorbman, A. and Sower, S. A., 2000. The distribution of lamprey GnRH-III in brains of adult sea lampreys (Petromyzon marinus). Gen Comp Endocrinol. 118, 57-67. PubMed

Robinson, T. C., Tobet, S. A., Chase, C., Waldron, T. and Sower, S. A., 2000. Gonadotropin-releasing hormones in the brain and pituitary of the teleost, the white sucker. Gen Comp Endocrinol. 117, 381-94. PubMed

Sower, S. A., McGregor, A. J., Materne, O. L., Chase, C., Potter, I. and Joss, J., 2000. Evidence for lamprey GnRH-I and -III-like molecules in the brains of the southern hemisphere lampreys Geotria australis and Mordacia mordax. Gen Comp Endocrinol. 120, 168-75. PubMed

Sower, S. A., Reed, K. L. and Babbitt, K. J., 2000. Limb malformations and abnormal sex hormone concentrations in frogs. Environ Health Perspect. 108, 1085-90. PubMed

Sower, S. A., Suzuki, K. and Reed, K. L., 2000. Perspective: Evolution of enteropancreatic and brain/central nervous system hormones. Amer Zool. 40, 165-178.

Suzuki, K., Gamble, R. L. and Sower, S. A., 2000. Multiple transcripts encoding lamprey gonadotropin-releasing hormone-I precursors. J Mol Endocrinol. 24, 365-76. PubMed

Yu, W. H., Karanth, S., Sower, S. A., Parlow, A. F. and McCann, S. M., 2000. The similarity of FSH-releasing factor to lamprey gonadotropin-releasing hormone III (l-GnRH-III). Proc Soc Exp Biol Med. 224, 87-92. PubMed

1999

Dees, W. L., Hiney, J. K., Sower, S. A., Yu, W. H. and McCann, S. M., 1999. mmunocytochemical localization of lamprey gonadotropin-releasing hormone in the brain. Peptides. 12, 1503-1511. PubMed

Nozaki, M., Ominato, K., Takahashi, A., Kawauchi, H. and Sower, S. A., 1999. Possible gonadotropin cells in the lamprey pituitary: colocalization of mammalian LH-like immunoreactivity and glycoconjugate in adult sea lampreys (Petromyzon marinus). Gen Comp Endocrinol. 113, 23-31. PubMed

Oominato, k., Nozaki, M., Takahashi, A., Kawachi, H. and Sower, S. A. 1999. A lectin cytochemical study in the sea lamprey pituitary. Recent Prog. Mol. Comp. Endocrinol., Proc. Int. Symp. Asia Oceania Soc. Comp. Endocrinol. 3:353-357.

Slater, C. H., Schreck, C. B. and Sower, S. A., 1999. Rapid clearance of D-Ala6-Pro9NEt mammalian GnRH (GnRHa) from chinook salmon plasma. North American Journal of Aquaculture. 61, 315-318.

1998

Sower, S. A., 1998. Brain and Pituitary Hormones of lampreys, recent findings and their evolutionary significance. Amer. Zool. 38, 15-38.

1997

Gamble, R. L., Suzuki, K., Heinig, J. A., Youson, J. H., Keeley, F. W. and Sower, S. A., 1997. Isolation of cDNA encoding the precursor to lamprey gonadotropin-releasing hormone-I from the brain of the sea lamprey, Petromyzon marinus. XIII Int'l Congress of Comp Endocrinol. 1, 735-738.

Gazourian, L., Deragon, K. L., Chase, C. F., Pati, D., Habibi, H. R. and Sower, S. A., 1997. Characteristics of GnRH binding in the gonads and effects of lamprey GnRH-I and -III on reproduction in the adult sea lamprey. Gen Comp Endocrinol. 108, 327-39. PubMed

MacIntyre, J. K., Chase, C., Tobet, S. A. and Sower, S. A., 1997. The interrelationship of PMY, GABA, and GnRH in the sea lamprey, Petromyzon marinus. XIII International Congress of Comp Endocrinol. 1, 721-724.

Materne, O. L., Gazourian, L., Chase, C., Pati, D., Habibi, H. R. and Sower, S. A. 1997. Characterization of the gonadotropin-releasing hormone binding sites in the pituitary and gonads of the sexually maturing adult lamprey. XIII International Congress of Comp. Endocrinol. Yokohama, Japan. 1:743-746

Sower, S. A., Evolution of GnRH in Fish of Ancient Origins. In: Sakuma, I. S. P. a. Y., (Ed.), GnRH Neurons: Gene to Behavior. Brian Shuppan Publishers, Tokya, 1997, pp. 486.

Tobet, S. A., Sower, S. A. and Schwarting, G. A., 1997. Gonadotropin-releasing hormone containing neurons and olfactory fibers during development: from lamprey to mammals. Brain Res Bull. 44, 479-86. PubMed

Yu, W. H., Karanth, S., Walczewska, A., Sower, S. A. and McCann, S. M., 1997. A hypothalamic follicle-stimulating hormone-releasing decapeptide in the rat. Proc Natl Acad Sci U S A. 94, 9499-503.PubMed

1996

Conlon, J. M. and Sower, S. A., 1996. Isolation of a peptide structurally related to mammalian corticostatins from the lamprey Petromyzon marinus. Comp Biochem Physiol B Biochem Mol Biol. 114, 133-137.

Sower, S. A. 1996. Evolution of GnRH in fish of ancient origin. Proceedings of the Fifth International Symp. Reprod. Physio. Of Fish. Goetz, F. W. a. P. T. Fish Symp. Austin, Texas. 95:209-211.

Tobet, S. A., Chickering, T. W. and Sower, S. A., 1996. Relationship of gonadotropin-releasing hormone (GnRH) neurons to the olfactory system in developing lamprey (Petromyzon marinus). J Comp Neurol. 376, 97-111. PubMed

1995

Heinig, J. A., Keeley, F. W., Robson, P., Sower, S. A. and Youson, J. H., 1995. The appearance of proopiomelanocortin early in vertebrate evolution: cloning and sequencing of POMC from a Lamprey pituitary cDNA library. Gen Comp Endocrinol. 99, 137-144. PubMed

Nozaki, M., Takahashi, A., Amemiya, Y., Kawauchi, H. and Sower, S. A., 1995. Distribution of lamprey adrenocorticotropin and melanotropins in the pituitary of the adult sea lamprey, Petromyzon marinus. Gen Comp Endocrinol. 98, 147-56. PubMed

Sower, S. A. 1995. Evolution of GnRH in fish of ancient origin. Proceedings of the Fifth International Symp. Reprod. Physio. Of Fish. Goetz, F.W. and Thomas, P. Austin, Texas. 95:209-211.

Sower, S. A., Goodman, M. and Nishiuchi, Y., 1995. In vivo effects of lamprey GnRH-I and cyclized analogs: a structure-activity study. Neuropeptides. 29, 151-156. PubMed

Sower, S. A., Nozaki, M., Knox, C. J. and Gorbman, A., 1995. The occurrence and distribution of GnRH in the brain of Atlantic hagfish, an agnatha, determined by chromatography and immunocytochemistry. Gen. Comp. Endocrinol. 97, 300-307. PubMed

Sower, S. A., Takahashi, A., Nozaki, M., Gorbman, A., Youson, J. H., Joss, J. and Kawauchi, H., 1995. A novel glycoprotein in the olfactory and pituitary systems of larval and adult lampreys. Endocrinology. 136, 349-356. PubMed

Takahashi, A., Amemiya, Y., Nozaki, M., Sower, S. A., Joss, J., Gorbman, A. and Kawauchi, H., 1995. Isolation and characterization of melanotropins from lamprey pituitary glands. Int J Pept Protein Res. 46, 197-204. PubMed

Takahashi, A., Amemiya, Y., Sarashi, M., Sower, S. A. and Kawauchi, H., 1995. Melanotropin and corticotropin are encoded on two distinct genes in the lamprey, the earliest evolved extant vertebrate. Biochem Biophys Res Commun. 213, 490-8. PubMed

Waugh, D., Youson, J., Mims, S. D., Sower, S. and Conlon, J. M., 1995. Urotensin II from the river lamprey (Lampetra fluviatilis), the sea lamprey (Petromyzon marinus), and the paddlefish (Polyodon spathula). Gen Comp Endocrinol. 99, 323-32. PubMed

Youson, J. H., Docker, M. and Sower, S. A. 1995. Concentration of gonadotropin-releasing hormones in brain of larval and metamorphosing lampreys of two species with different adult life histories. Fifth International Symposium on Reproductive Physiology of Fish. Goetz, F. W. and Thomas, P. Austin, TX. 83

1994

Conlon, J. M., Balasubramaniam, A. and Sower, S. A., 1994. Purification of a neuropeptide Y-related peptide from the brain of the sea lamprey and its effect on steroidogenesis. Regul Pept. 50, 167-175.

Deragon, K. L. and Sower, S. A., 1994. Effects of lamprey gonadotropin-releasing hormone-III on steroidogenesis and spermiation in male sea lampreys. Gen Comp Endocrinol. 95, 363-367. PubMed

Holmes, J. A., Beamish, F. W. H., Seelye, J. G. and Youson, J. H., 1994. The long-term effects of water temperature, photoperiod, and food availability on metamorphosis of sea lampreys, Petromyzon marinus. Can J Fish Aqua Sci. 51, 2045-2051.

Knox, C. J., Boyd, S. K. and Sower, S. A., 1994. Characterization and localization of gonadotropin-releasing hormone receptors in the adult female sea lamprey, Petromyzon marinus. Endocrinology. 134, 492-498. PubMed

Nozaki, M., Gorbman, A. and Sower, S. A., 1994. Diffusion between the neurohypophysis and the adenohypophysis of lampreys, Petromyzon marinus. Gen Comp Endocrinol. 96, 385-91. PubMed

Sower, S. A., Chiang, Y. C. and Conlon, J. M., 1994. Polygenic expression of somatostatin in lamprey. Peptides. 15, 151-154. PubMed

Tobet, S., Nozaki, M., Youson, J. H. and Sower, S. A., 1994. Distribution of lamprey gonadotropin-releasing hormone-III (GnRH-III) in brains of larval lampreys (Petromyzon marinus). Cell and Tissue Research. 279, 261-270.

Waugh, D., Sower, S., Bjenning, C. and Conlon, J. M., 1994. Novel tachykinins from the brain of the sea lamprey, Petromyzon marinus, and the skate, Raja rhina. Peptides. 15, 155-61. PubMed

Wright, G. M., McBurney, K. M., Youson, J. H. and Sower, S. A., 1994. Distribution of lamprey gonadotropin-releasing hormone in the brain and pituitary of larval, metamorphic and adult sea lamprey, Petromyzon marinus. Can. J. Zool. 72, 48-53.

1993

Calvin, J. L., Slater, C. H., Bolduc, T. G., Laudano, A. P. and Sower, S. A., 1993. Multiple molecular forms of gonadotropin-releasing hormone in the brain of an elasmobranch: evidence for IR-lamprey GnRH. Peptides. 14, 725-729. PubMed

Conlon, J. M., Collin, F., Chiang, Y. C., Sower, S. A. and Vaudry, H., 1993. Two molecular forms of gonadotropin-releasing hormone from the brain of the frog, Rana ribibunda: purification, characterization, and distribution. Endocrinology. 132, 2117-2123. PubMed

Sower, S. A., Chiang, Y. C., Lovas, S. and Conlon, J. M., 1993. Primary structure and biological activity of a third gonadotropin-releasing hormone from lamprey brain. Endocrinology. 132, 1125-1131. PubMed

Youson, J. H., Holmes, J. A., Guchardi, J. A., Seelye, J. G., Beaver, R., Gersmehl, J. E. and Sower, S. A., 1993. The importance of condition factor and the influence of water temperature and photoperiod in metamorphosis of sea lampreys, Petromyaon marinus. Fish. Aquat. Sci. 50, 2448-2456.

1992

Bolduc, T. G. and Sower, S. A., 1992. Changes in brain gonadotropin-releasing hormone, plasma estradiol 17- beta, and progesterone during the final reproductive cycle of the female sea lamprey, Petromyzon marinus. J Exp Zool. 264, 55-63. PubMed

Hines, G. A., Watts, S. A., Sower, S. A. and Walker, C. W., 1992. Sex steroid levels in the testes, ovaries, and pyloric caeca during gametogenesis in the sea star Asterias vulgaris. Gen Comp Endocrinol. 87, 451-460. PubMed

Lewis, K. M. and Sower, S. A., 1992. Effects of dietary testosterone on growth and sex ration in juvenile Atlantic salmon (Salmo salar). Fish Phys and Biochem. 9, 513-517.

Lewis, K. M., Swanson, P. and Sower, S. A., 1992. Changes in brain salmon gonadotropin-releasing hormone, plasma gonadotropin I, and plasma thyroxine in chinook salmon (Oncorhynchus tschawytcha) during smoltification. Gen. Comp. Endocrin. 87, 461-470. PubMed

Murray, M. K. and Sower, S. A., 1992. Estrogen- and progesterone-dependent secretory changes in the uterus of the sheep. Biol. Reprod. 47, 917-924. PubMed

Sower, S. A., Karlson, K. H. and Fawcett, R. S., 1992. Changes in plasma thyroxine, estradiol-17 beta, and 17 alpha,20 beta- dihydroxy-4-pregnen-3-one during smoltification of coho salmon. Gen Comp Endocrinol. 85, 278-285. PubMed

1991

Sower, S. A. and Larsen, L. O., 1991. Plasma estradiol and progesterone after hypophysectomy and substitution with pituitary in female sea lampreys (Petromyzon marinus). Gen Comp Endocrinol. 81, 93-96. PubMed

Sower, S. A. and R.S., F., 1991. Changes in gill Na+, K+-ATPase, thyroxine and triiodothyronine of coho salmon held in two different rearing densities smoltification. Comp. Biochem Physiol. 99A, 85-89.

Youson, J. H. and Sower, S. A., 1991. Concentration of brain gonadotropin-releasing hormone during metamorphosis in the lamprey, Petromyzon marinus. J Exp Zool. 259, 399-404.

1990

Fahien, C. M. and Sower, S. A., 1990. Relationship between brain gonadotropin-releasing hormone and final reproductive period of the adult male sea lamprey, Petromyzon marinus. Gen Comp Endocrinol. 80, 427-437. PubMed

Hines, G. A., Watts, S. A., Sower, S. A. and Walker, C. W., 1990. Sex steriod extraction from echinoderm tissues. J Liquid Chromatograp. 13, 2489-2498.

Sower, S. A., 1990. Gonadotropin-releasing hormone in primitive fishes. Prog Clin Biol Res. 342, 73-78. PubMed

Sower, S. A., 1990. Neuroendocrine control of reproduction in lampreys. Fish Phys Biochem. 8, 365-374.

1989

Borghetti, J. R., Iwamoto, R. N., Hardy, R. W. and Sower, S. A., 1989. The effcets of naturally-occuring androgens in practical diets fed to normal-sired and jack-sired propengy of coho salmon (Oncorhynchus kisutch). Aquaculture. 77, 51-60.

Sower, S. A., 1989. Effects of lamprey gonadotropin-releasing hormone and analogs on steroidogenesis and spermiation in male sea lampreys. Fish Physiol Biochem. 7, 101-107.

1988

Carolsfeld, J., Sherwood, N. M., Kreilberg, H. and Sower, S. A., 1988. Induced sexual maturation of herriing using GnRh "Quick Release" chloesterol pellets. Aquaculture. 70, 169-181.

King, J. C., Sower, S. A. and Anthony, E. P., 1988. Neuronal systems immunoreactive with antiserum to lamprey gonadotropin-releasing hormone in the brain of Petromyzon marinus. Cell Tiss. Res. 253, 1-8.

Lane, T. F., Sower, S. A. and Kawauchi, H., 1988. Arginine vasotocin from the pituitary gland of the lamprey (Petromyzon marinus): isolation and amino acid sequence. Gen Comp Endocrinol. 70, 152-157. PubMed

Stopa, E. G., Sower, S. A., Svendsen, C. N. and King, J. C., 1988. Polygenic expression of gonadotropin-releasing hormone (GnRH) in human? Peptides. 9, 419-23. PubMed

1987

Ho, S. M., Press, D., Liang, L. C. and Sower, S., 1987. Identification of an estrogen receptor in the testis of the sea lamprey, Petromyzon marinus. Gen Comp Endocrinol. 67, 119-125. PubMed

Linville, J. E., Hanson, L. H. and Sower, S. A., 1987. Endocrine events associated with spawning behavior in the sea lamprey (Petromyzon marinus). Horm Behav. 21, 105-107. PubMed

Sower, S. A. 1987. Biological action of lamprey gonadotropin-releasing hormone in lampreys. Proceedings of the Third International Symposium on Reproduction and Physiology of Fish. St. John's Newfoundland, Canada. 40-41.

Sower, S. A., King, J. A., Millar, R. P., Sherwood, N. M. and Marshak, D. R., 1987. Comparative biological properties of lamprey gonadotropin-releasing hormone in vertebrates. Endocrinology. 120, 773-779. PubMed

1986

Sherwood, N. M., Sower, S. A., Marshak, D. R., Fraser, B. A. and Brownstein, M. J., 1986. Primary structure of gonadotropin-releasing hormone from lamprey brain. J Biol Chem. 261, 4812-4819. PubMed

1985

Buckingham, J. C., Leach, J. H., Plisetskaya, E., Sower, S. A. and Gorbman, A., 1985. Corticotrophin-like bioactivity in the pituitary gland and brain of the pacific hagfish, Eptatretus stouti. Gen Comp Endocrinol. 57, 434-437. PubMed

Dickoff, W. W., Sower, S. A. and Gorbman, A., Hepatic estrogen binding during vitellogenesis in Pacific hagfish, Epotatretus stouti. In: Lotts, B. and Holmes, W., (Eds.), Current Trends in Comp Endo. Hong Kong UNiversity Press, 1985, pp. 347-349.

Sherwood, N. M. and Sower, S. A., 1985. A new family member for gonadotropin-releasing hormone. Neuropeptides. 6, 205-14.

Sower, S. A. and Iwamoto, R. N., 1985. The Identification of the sex steroid testosterone, in various commercial salmon diets. Aquaculture. 49, 11-17.

Sower, S. A., Plisetskaya, E. and Gorbman, A., 1985. Changes in plasma steroid and thyroid hormones and insulin during final maturation and spawning of the sea lamprey, Petromyzon marinus. Gen Comp Endocrinol. 58, 259-269. PubMed

Sower, S. A., Plisetskaya, E. and Gorbman, A., 1985. Steroid and thyroid hormone profiles following a single injection of partly purified salmon gonadotropin or GnRH analogues in male and female sea lamprey. J Exp Zool. 235, 403-408. PubMed

1984

Sower, S. A., Dickhoff, W., Flagg, T., Mighell, J. and Mahnken, C., 1984. Effects of Estradiol and diethylstilbesterol on sex reversal and mortality in Atlantic Salmon (Salmo salar). Aquaculture. 43, 75-81.

Sower, S. A., Iwamoto, R. N., Dickoff, W. W. and Gorbman, A., 1984. Ovulatory and steroidal responses in coho slamon and stellhead trout following administartion of salmon gondotropin and D-Ala6,des Gly10 gondotropin-releasing hormone ethylamide (GnRHa). Aquaculture. 43, 35-46.

Sower, S. A., Sullivan, C. V. and Gorbman, A., 1984. Changes in plasma estradiol and effects of triiodothyronine on plasma estradiol during smoltification of coho salmon, Oncorhynchus kisutch. Gen Comp Endocrinol. 54, 486-492. PubMed

1983

Martin, R. W., Myers, J., Sower, S. A., Phillips, D. and McAuly, C., 1983. Ultrasonic imaging, a potential tool for sex determination of live fish. North American Journal of Fisheries Management. 3, 258-264.

Plisetskaya, E., Sower, S. A. and Gorbman, A., 1983. The effects of insulin insufficiency on plasma thyroid hormones and some metabolic constituents in Pacific hagfish, Eptatretus stouti. Gen. Comp. Endocrinol. 49, 315-319. PubMed

Sower, S. A., Dickoff, W. W., Gorbman, A., Rivier, J. E. and Vale, W. W., 1983. Ovulatory and steroidal responses in the lamprey following administration of salmon gonadotropin and agonistic and antagonistic analogues of GnRH. Can. J. Zool. 61, 2653-2659.

Sower, S. A., Schreck, C. B. and Evenson, M., 1983. Effects of steroids and steroid antagonists on growth, gonadal development, and RNA/DNA rations in juvenile stealhead trout. Aquaculture. 32, 243-254.

1982

Sower, S. A. and Schreck, C. B., 1982. In vitro induction of fiinal maturation of oocytes from coho salmon. Trans. Amer. Fish. Soc. 111, 399-403.

Sower, S. A. and Schreck, C. B. 1982. Sexual maturation of coho salmon, Oncorhynchus kisutch, accelerated ovulation and circulating steriod and ion levels of salmon in freshwater and seawater. Proc. North Pacific Aquaculture Symp. Alaska Sea Grant Publication. Alaska, Oregon. 82:27-235.

Sower, S. A. and Schreck, C. B., 1982. Steroid and thyroid hormones during sexual maturation of coho salmon (Oncorhynchus kisutch) in seawater of fresh water. Gen Comp Endocrinol. 47, 42-53.

Sower, S. A., Schreck, C. B. and Donaldson, E. M., 1982. Hormone-induced ovulation of coho salmon, Oncorhynchus kisutch, held in seawater and fresh water. Can J Fish Aquat Sci. 39, 627-632.


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