Search Results - "Moenter, S. M."

Depolarising and Hyperpolarising Actions of GABAA Receptor Activation on Gonadotrophin-Releasing Hormone Neurones: Towards an Emerging Consensus by Herbison, A. E., Moenter, S. M.

“…The gonadotrophin‐releasing hormone (GnRH) neurones represent the final output neurones of a complex neuronal network that controls fertility. It is now…”
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Two Types of Burst Firing in Gonadotrophin-Releasing Hormone Neurones by Chu, Z. , Tomaiuolo, M. , Bertram, R. , Moenter, S. M.

“…Gonadotrophin‐releasing hormone (GnRH) neurones fire spontaneous bursts of action potentials, although little is understood about the underlying mechanisms. In…”
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Rapid Nongenomic Effects of Oestradiol on Gonadotrophin-Releasing Hormone Neurones by Moenter, S. M., Chu, Z.

“…That oestradiol can have both negative‐ and positive‐feedback actions upon the release of gonadotrophin‐releasing hormone (GnRH) has been understood for…”
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Neurobiological Mechanisms Underlying Oestradiol Negative and Positive Feedback Regulation of Gonadotrophin-Releasing Hormone Neurones by Moenter, S. M., Chu, Z., Christian, C. A.

“…The feedback actions of ovarian oestradiol during the female reproductive cycle are among the most unique in physiology. During most of the cycle, oestradiol…”
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Depolarising and hyperpolarising actions of GABA(A) receptor activation on gonadotrophin-releasing hormone neurones: towards an emerging consensus by Herbison, A E, Moenter, S M

“…The gonadotrophin-releasing hormone (GnRH) neurones represent the final output neurones of a complex neuronal network that controls fertility. It is now…”
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Gonadotropin-releasing hormone requirements for ovulation by Karsch, F.J. (University of Michigan, Ann Arbor, MI.), Bowen, J.M, Caraty, A, Evans, N.P, Moenter, S.M

“…This article addresses the role of GnRH in ovulation in the context of two general models of GnRH action--deterministic and permissive. According to the…”
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Photoperiodic synchronization of a circannual reproductive rhythm in sheep: identification of season-specific time cues by WOODFILL, C. J. I, WAYNE, N. L, MOENTER, S. M, KARSCH, F. J

“…Seasonal reproduction in the ewe is generated by an endogenous circannual rhythm of reproductive neuroendocrine activity. Exposure to as few as 70 days of…”
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Seasonal changes in gonadotropin-releasing hormone secretion in the ewe: alteration in response to the negative feedback action of estradiol by Karsch, F.J, Dahl, G.E, Evans, N.P, Manning, J.M, Mayfield, K.P, Moenter, S.M, Foster, D.L

“…Two experiments were performed to test the hypothesis that there is a seasonal change in the negative feedback effect of estradiol on episodic secretion of…”
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Seasonal changes of gonadotropin-releasing hormone secretion in the ewe by Barrell, G.K. (Lincoln University, Canterbury, New Zealand), Moenter, S.M, Caraty, A, Karsch, F.J

“…A sustained volley of high-frequency, pulses of GnRH secretion is a fundamental step in the sequence of neuroendocrine events leading to ovulation during the…”
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Pattern of gonadotropin-releasing hormone (GnRH) secretion leading up to ovulation in the ewe: existence of a preovulatory GnRH surge by Moenter, S M, Caraty, A, Locatelli, A, Karsch, F J

“…We have previously shown LH surges induced by physiological estradiol levels are invariably accompanied by robust and sustained GnRH surges in the ewe. Such an…”
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Prenatal Androgens Alter GABAergic Drive to Gonadotropin-Releasing Hormone Neurons: Implications for a Common Fertility Disorder by Sullivan, Shannon D., Moenter, Suzanne M., Pfaff, Donald W.

“…Polycystic ovary syndrome, a fertility disorder affecting ≈7% of women, is characterized by elevated androgens, disrupted reproductive cycles, and high…”
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Distribution of estrogen receptor-immunoreactive cells in the sheep brain by Lehman, M N, Ebling, F J, Moenter, S M, Karsch, F J

“…The distribution of immunoreactive (IR) estrogen receptor (ER)-containing cells was studied in the brains of adult Suffolk ewes using a rat monoclonal antibody…”
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The estradiol-induced surge of gonadotropin-releasing hormone in the ewe by Moenter, S M, Caraty, A, Karsch, F J

“…Previous studies suggest two roles for estradiol in inducing the LH surge in ewes: a neural action to evoke a sudden release of GnRH and a pituitary action to…”
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Progesterone blocks the estradiol-induced gonadotropin discharge in the ewe by inhibiting the surge of gonadotropin-releasing hormone by Kasa-Vubu, J Z, Dahl, G E, Evans, N P, Thrun, L A, Moenter, S M, Padmanabhan, V, Karsch, F J

“…Previous studies indicate an elevation of circulating progesterone blocks the positive feedback effect of a rise in circulating estradiol. This explains the…”
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Fos expression during the estradiol-induced gonadotropin-releasing hormone (GnRH) surge of the ewe: induction in GnRH and other neurons by Moenter, S M, Karsch, F J, Lehman, M N

“…The protein product of the protooncogene c-fos was used as a marker of cellular activation in an attempt to identify those neurons in the preoptic area and…”
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Role of the thyroid gland in seasonal reproduction: thyroidectomy blocks seasonal suppression of reproductive neuroendocrine activity in ewes by Moenter, S M, Woodfill, C J, Karsch, F J

“…Seasonal reproductive transitions in ewes are generated endogenously and are synchronized by annual changes in photoperiod. Previous evidence indicates that…”
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GABAergic Integration of Progesterone and Androgen Feedback to Gonadotropin-Releasing Hormone Neurons by Sullivan, Shannon D, Moenter, Suzanne M

“…Steroid feedback regulates GnRH secretion and previous work has implicated gamma-aminobutyric acid (GABA)ergic neurons as a mediator of these effects. We…”
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The thyroid gland is required for reproductive neuroendocrine responses to photoperiod in the ewe by Dahl, G E, Evans, N P, Moenter, S M, Karsch, F J

“…A study was conducted to determine the role of the thyroid gland in three neuroendocrine responses to photoperiod; secretion of melatonin, PRL, and LH. Ewes…”
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Genetic targeting of green fluorescent protein to gonadotropin-releasing hormone neurons: characterization of whole-cell electrophysiological properties and morphology by Suter, K J, Song, W J, Sampson, T L, Wuarin, J P, Saunders, J T, Dudek, F E, Moenter, S M

“…GnRH neurons form the final common pathway for central control of reproduction, with regulation achieved by changing the pattern of GnRH pulses. To help…”
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Metabolic Regulation of Fertility through Presynaptic and Postsynaptic Signaling to Gonadotropin-Releasing Hormone Neurons by Sullivan, Shannon D, DeFazio, R. Anthony, Moenter, Suzanne M

“…Gonadotropin-releasing hormone (GnRH) neurons form the final common pathway for the central regulation of reproduction and are inhibited by negative energy…”
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