Search Results - "Ojeda, S R"

SIRT1 mediates obesity- and nutrient-dependent perturbation of pubertal timing by epigenetically controlling Kiss1 expression by Vazquez, M. J., Toro, C. A., Castellano, J. M., Ruiz-Pino, F., Roa, J., Beiroa, D., Heras, V., Velasco, I., Dieguez, C., Pinilla, L., Gaytan, F., Nogueiras, R., Bosch, M. A., Rønnekleiv, O. K., Lomniczi, A., Ojeda, S. R., Tena-Sempere, M.

“…Puberty is regulated by epigenetic mechanisms and is highly sensitive to metabolic and nutritional cues. However, the epigenetic pathways mediating the effects…”
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Changes in Hypothalamic Expression of the Lin28/let-7 System and Related MicroRNAs During Postnatal Maturation and After Experimental Manipulations of Puberty by Sangiao-Alvarellos, S, Manfredi-Lozano, M, Ruiz-Pino, F, Navarro, V.M, Sánchez-Garrido, M.A, Leon, S, Dieguez, C, Cordido, F, Matagne, V, Dissen, G.A, Ojeda, S.R, Pinilla, L, Tena-Sempere, M

“…Lin28 and Lin28b are related RNA-binding proteins that inhibit the maturation of miRNAs of the let-7 family and participate in the control of cellular stemness…”
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Glial-Gonadotrophin Hormone (GnRH) Neurone Interactions in the Median Eminence and the Control of GnRH Secretion by Ojeda, S. R., Lomniczi, A., Sandau, U. S.

“…A wealth of information now exists showing that glial cells are actively involved in the cell–cell communication process generating and disseminating…”
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Readthrough acetylcholinesterase (AChE-R) and regulated necrosis: pharmacological targets for the regulation of ovarian functions? by Blohberger, J, Kunz, L, Einwang, D, Berg, U, Berg, D, Ojeda, S R, Dissen, G A, Fröhlich, T, Arnold, G J, Soreq, H, Lara, H, Mayerhofer, A

“…Proliferation, differentiation and death of ovarian cells ensure orderly functioning of the female gonad during the reproductive phase, which ultimately ends…”
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Decorin is a part of the ovarian extracellular matrix in primates and may act as a signaling molecule by Adam, M., Saller, S., Ströbl, S., Hennebold, J.D., Dissen, G.A., Ojeda, S.R., Stouffer, R.L., Berg, D., Berg, U., Mayerhofer, A.

“…STUDY QUESTION Is decorin (DCN), a putative modulator of growth factor (GF) signaling, expressed in the primate ovary and does it play a role in ovarian…”
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Oxytocin receptors in the primate ovary: molecular identity and link to apoptosis in human granulosa cells by Saller, S., Kunz, L., Dissen, G.A., Stouffer, R., Ojeda, S.R., Berg, D., Berg, U., Mayerhofer, A.

“…BACKGROUND Oxytocin (OT) is produced by granulosa cells (GCs) of pre-ovulatory ovarian follicles and the corpus luteum (CL) in some mammalian species. Actions…”
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Nerve Growth Factor-Dependent Activation of trkA Receptors in the Human Ovary Results in Synthesis of Follicle-Stimulating Hormone Receptors and Estrogen Secretion by Salas, C., Julio-Pieper, M., Valladares, M., Pommer, R., Vega, M., Mastronardi, C., Kerr, B., Ojeda, S. R., Lara, H. E., Romero, C.

“…Context: Previous studies showed that nerve growth factor (NGF) induces the expression of functional FSH receptors (FSHR) in preantral follicles of the…”
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Thyroid Transcription Factor 1, a Homeodomain Containing Transcription Factor, Contributes to Regulating Periodic Oscillations in GnRH Gene Expression by Matagne, V., Kim, J. G., Ryu, B. J., Hur, M. K., Kim, M. S., Kim, K., Park, B. S., Damante, G., Smiley, G., Lee, B. J., Ojeda, S. R.

“…Thyroid transcription factor 1 (TTF1), a member of the Nkx family of transcription factors required for basal forebrain morphogenesis, functions in the…”
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Engineering a gene silencing viral construct that targets the cat hypothalamus to induce permanent sterility: An update by Dissen, GA, Adachi, K, Lomniczi, A, Chatkupt, T, Davidson, BL, Nakai, H, Ojeda, SR

“…Contents The intent of this contribution is to provide an update of the progress we have made towards developing a method/treatment to permanently sterilize…”
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Origin and Ontogeny of Mammalian Ovarian Neurons by Dees, W. Les, Hiney, J. K, McArthur, N. H, Johnson, G. A, Dissen, G. A, Ojeda, S. R

“…Mammalian ovaries contain sympathetic neurons expressing the low affinity neurotropin receptor (p75NTR). To date neither the role these neurons might play in…”
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A Contactin-Receptor-Like Protein Tyrosine Phosphatase β Complex Mediates Adhesive Communication Between Astroglial Cells and Gonadotrophin-Releasing Hormone Neurones by Parent, A.-S., Mungenast, A. E., Lomniczi, A., Sandau, U. S., Peles, E., Bosch, M. A., Rønnekleiv, O. K., Ojeda, S. R.

“…Although it is well established that gonadotrophin‐releasing hormone (GnRH) neurones and astrocytes maintain an intimate contact throughout development and…”
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FXYD1, a Modulator of Na+,K+-ATPase Activity, Facilitates Female Sexual Development by Maintaining Gonadotrophin-Releasing Hormone Neuronal Excitability by Garcia-Rudaz, C., Deng, V., Matagne, V., Ronnekleiv, O. K., Bosch, M., Han, V., Percy, A. K., Ojeda, S. R.

“…The excitatory tone to gonadotrophin‐releasing hormone (GnRH) neurones is a critical component underlying the pubertal increase in GnRH secretion. However, the…”
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Some hypothalamic hamartomas contain transforming growth factor α, a puberty-inducing growth factor, but not luteinizing hormone-releasing hormone neurons by JUNG, H, CARMEL, P, OJEDA, S. R, SCHWARTZ, M. S, WITKIN, J. W, BENTELE, K. H. P, WESTPHAL, M, PIATT, J. H, COSTA, M. E, CORNEA, A, MA, Y. J

“…Activation of LH-releasing hormone (LHRH) secretion, essential for the initiation of puberty, is brought about by the interaction of neurotransmitters and…”
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Expression of Three Gene Families Encoding Cell-Cell Communication Molecules in the Prepubertal Nonhuman Primate Hypothalamus by Mungenast, A. E., Ojeda, S. R.

“…Transsynaptic and glial–neuronal communication are important components of the mechanism underlying the pubertal activation of luteinizing hormone‐releasing…”
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Expression of muscarinic receptor types in the primate ovary and evidence for nonneuronal acetylcholine synthesis by FRITZ, S, WESSLER, I, BREITLING, R, ROSSMANITH, W, OJEDA, S. R, DISSEN, G. A, AMSTERDAMT, A, MAYERHOFER, A

“…The presence of muscarinic receptors (MR) in the ovary of different species has been recognized, but the identity of these receptors as well as ovarian sources…”
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Applying Gene Silencing Technology to Contraception by Dissen, GA, Lomniczi, A, Boudreau, RL, Chen, YH, Davidson, BL, Ojeda, SR

“…Contents Population control of feral animals is often difficult, as it can be dangerous for the animals, labour intensive and expensive. Therefore, a useful…”
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Targeted Gene Silencing to Induce Permanent Sterility by Dissen, GA, Lomniczi, A, Boudreau, RL, Chen, YH, Davidson, BL, Ojeda, SR

“…A non‐surgical method to induce sterility would be a useful tool to control feral populations of animals. Our laboratories have experience with approaches…”
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Intraovarian Excess of Nerve Growth Factor Increases Androgen Secretion and Disrupts Estrous Cyclicity in the Rat by Dissen, G. A., Lara, H. E., Leyton, V., Paredes, A., Hill, D. F., Costa, M. E., Martinez-Serrano, A., Ojeda, S. R.

“…Abstract A single injection of estradiol valerate induces a form of cystic ovary resembling some aspects of the human polycystic ovarian syndrome. Preceding…”
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Ovarian steroidal response to gonadotropins and beta-adrenergic stimulation is enhanced in polycystic ovary syndrome: role of sympathetic innervation by Barria, A, Leyton, V, Ojeda, S R, Lara, H E

“…Experimental induction of a polycystic ovarian syndrome (PCOS) in rodents by the administration of a single dose of estradiol valerate (EV) results in…”
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Structural and optical characterization of wurtzite type ZnS by Díaz-Reyes, J., Castillo-Ojeda, R.S., Sánchez-Espíndola, R., Galván-Arellano, M., Zaca-Morán, O.

“…ZnS films were grown on (001) GaAs substrates at different temperatures by RF magnetron sputtering. The ZnS chemical stoichiometry was determined by…”
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