Search Results - "Gasperin, G"

Morphometric Evaluation of the Ampullae of the Oviducts in Prepubertal Gilts Treated With Chorionic Gonadotropins by Brito, Camila R. C., Hoyos‐Marulanda, Veronica, Cruz, Luis A. X., Gasperin, Bernardo G., Vieira, Arnaldo D., Mondadori, Rafael G., Lucia, Thomaz

“…ABSTRACT This study assessed morphometric traits of the ampulla of the oviducts in prepubertal gilts treated with chorionic gonadotropins. With the day of…”
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Lack of FSH support enhances LIF–STAT3 signaling in granulosa cells of atretic follicles in cattle by Ilha, Gustavo Freitas, Rovani, Monique T, Gasperin, Bernardo G, Antoniazzi, Alfredo Quites, Gonçalves, Paulo Bayard Dias, Bordignon, Vilceu, Duggavathi, Raj

“…Subordinate follicles (SFs) of bovine follicular waves undergo atresia due to declining FSH concentrations; however, the signalling mechanisms have not been…”
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Expression of receptors for BMP15 is differentially regulated in dominant and subordinate follicles during follicle deviation in cattle by Gasperin, Bernardo G., Ferreira, Rogério, Rovani, Monique T., Bordignon, Vilceu, Duggavathi, Raj, Buratini, José, Oliveira, João F.C., Gonçalves, Paulo B.D.

“…Bone morphogenetic proteins are known to be involved in determining ovulation rate in mammals. The mechanisms through which these proteins determine follicle…”
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Mechanistic target of rapamycin (MTOR) signaling during ovulation in mice by Siddappa, Dayananda, Kalaiselvanraja, Anitha, Bordignon, Vilceu, Dupuis, Lisa, Gasperin, Bernardo G., Roux, Philippe P., Duggavathi, Raj

“…SUMMARY A complex network of endocrine/paracrine signals regulates granulosa‐cell function in ovarian follicles. Mechanistic target of rapamycin (MTOR) has…”
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Regulation of Anti‐Müllerian Hormone and Its Receptor Expression around Follicle Deviation in Cattle by Ilha, GF, Rovani, MT, Gasperin, BG, Ferreira, R, de Macedo, MP, Neto, OA, Duggavathi, R, Bordignon, V, Gonçalves, PBD

“…The anti‐Müllerian hormone (AMH) is an important marker of ovarian reserve and for predicting the response to superovulatory treatments in several species. The…”
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Production of cloned pigs with targeted attenuation of gene expression by Bordignon, Vilceu, El-Beirouthi, Nayla, Gasperin, Bernardo G, Albornoz, Marcelo S, Martinez-Diaz, Mario A, Schneider, Carine, Laurin, Denyse, Zadworny, David, Agellon, Luis B

“…The objective of this study was to demonstrate that RNA interference (RNAi) and somatic cell nuclear transfer (SCNT) technologies can be used to attenuate the…”
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Natriuretic peptide system regulation in granulosa cells during follicle deviation and ovulation in cattle by De Cesaro, MP, Santos, JT, Ferst, JG, Nóbrega, JE, Rosa, PRA, Rovani, MT, Ilha, GF, Bohrer, RC, Ferreira, R, Gasperin, BG, Bordignon, V, Gonçalves, PBD

“…Contents Natriuretic peptides (NPs) are known to regulate reproductive events in polyovulatory species, but their function and regulation in monovulatory…”
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Evidence that the effect of angiotensin II on bovine oocyte nuclear maturation is mediated by prostaglandins E2 and F2α by Barreta, Marcos H, Oliveira, João Francisco C, Ferreira, Rogério, Antoniazzi, Alfredo Q, Gasperin, Bernardo G, Sandri, Luciano R, Gonçalves, Paulo Bayard D

“…Angiotensin II (AngII) prevents the inhibitory effect of follicular cells on oocyte maturation, but its involvement in LH-induced meiotic resumption remains…”
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DFCI/BCH-HITO quality improvement project for hematologic malignancies: implementation and validation of MRD by flow cytometry in pediatric acute leukemia treatment protocols by Cubria, P., Hernández, M., Romero, L., Ellis, A., Escamilla, G., Vega, L., Friedrich, P., Lehmann, L., Garay, S., Aguilar, D., Gasperin, G., Tsitsikov, E., Weinberg, O.

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Olfactory discrimination and incentive value of non copulating and sexually sluggish male rats by De Gasperín-Estrada, G.P, Camacho, F.J, Paredes, R.G

“…Abstract Some apparently healthy male rats fail to copulate despite being tested on repeated occasions with receptive females and are called non copulating…”
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Mechanistic target of rapamycin is activated in bovine granulosa cells after LH surge but is not essential for ovulation by da Rosa, PRA, Dau, AMP, De Cesaro, MP, dos Santos, JT, Gasperin, BG, Duggavathi, R, Bordignon, V, Gonçalves, PBD

“…Contents The LH surge induces functional and morphological changes in granulosa cells. Mechanistic target of rapamycin (mTOR) is an integrator of signalling…”
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Mild calorie restriction, but not 17α-estradiol, extends ovarian reserve and fertility in female mice by Isola, José V.V., Zanini, Bianka M., Hense, Jessica D., Alvarado-Rincón, Joao A., Garcia, Driele N., Pereira, Giulia C., Vieira, Arnaldo D., Oliveira, Thais L., Collares, Tiago, Gasperin, Bernardo G., Stout, Michael B., Schneider, Augusto

“…Calorie restriction (CR) (25–40%) is the most commonly studied strategy for curtailing age-related disease and has also been found to extend reproductive…”
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Postponing TAI in beef cows with small preovulatory follicles by Pfeifer, L.F.M., Gasperin, B.G., Cestaro, J.P., Schneider, A.

“…The aims of this study were (1) to establish an optimal cut-off point for evaluating the effect of the preovulatory follicle (POF) diameter in timed AI (TAI)…”
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Intrafollicular injection of nonesterified fatty acids impaired dominant follicle growth in cattle by Ferst, Juliana G., Missio, Daniele, Bertolin, Kalyne, Gasperin, Bernardo G., Leivas, Fábio G., Bordignon, Vilceu, Gonçalves, Paulo B., Ferreira, Rogério

“…•Increased NEFAs levels in the follicular fluid reduced follicular growth in cattle.•Increased NEFAs levels in the follicular fluid did not disturb CYP19A1…”
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GnRH34 with or without estradiol cypionate in timed AI in Bos indicus beef cows by Silva, Samira A., Mondadori, Rafael G., Noleto, Gabrielly S., Barbosa, Ingrid P., Gonçalves, Reuel L., Gasperin, Bernardo G., Rovani, Monique T., Paz, Eanes F., Gomes, Leonardo S., Pfeifer, Luiz F.M.

“…Two experiments were performed to evaluate the effects of GnRH treatment on the fertility of suckled Nelore beef cows treated with an estradiol/progesterone…”
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Reproductive performance in gilts submitted to non-steroidal therapies to prolong the luteal phase of the estrous cycle by Brito, Camila R.C., Cordeiro, Ágatha D., Baldessar, Pricila, Schultz, Carolini, Quirino, Monike, Ulguim, Rafael R., Gonçalves, Paulo B.D., Lucia, Thomaz, Bianchi, Ivan, Gasperin, Bernardo G.

“…Synchronized cyclicity of replacement gilts is crucial to optimize breeding herd management, however, protocols with oral progestogen are expensive and require…”
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Is it possible to replace eCG by GnRH in the hormonal protocol for timed artificial insemination in ewes during the breeding season? by Maggi, Gabriel, Pires, Otávio S., Junior, Sérgio F. Vargas, Oliveira, Fernando C., Moraes, Fabiane P., Ferreira, Rogério, Vieira, Arnaldo D., Rovani, Monique T., Gonçalves, Paulo B.D., Mondadori, Rafael G., Gasperin, Bernardo G.

“…•GnRH was evaluated as a replacement for eCG in ewes during the breeding season.•Ovulation moment and luteal function were not affected when eCG was replaced…”
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Long-acting injectable progesterone treatment prior to puberty induction in gilts by Baldessar, P., de Brito, C.R.C., Johann, H., Schultz, C., Peripolli, V., Moreira, F., Lucia, T., Ulguim, R.R., Gasperin, B.G., Bianchi, I.

“…•Parenteral 300 or 600 mg of P4 maintained concentrations in prepubertal gilts for 8 d.•P4 did not benefit the reproductive performance of gilts.•Peripubertal…”
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Prostaglandin F2α treatment does not hasten ovulation in weaned sows by Fagundes, D.P., Lucca, M.S., Gasperin, B.G., Missio, D., Quirino, M., Mellagi, A.P.G., Gonçalves, P.B.D., Bortolozzo, F.P., Ulguim, R.R.

“…•PGF2α treatment at estrus onset did not hasten ovulation in sows.•Ovulation was not hastened by PGF2α treatment at 72 h post-weaning.•The association of PGF2α…”
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GnRH34: An alternative for increasing pregnancy in timed AI beef cows by Barbosa, Ingrid P., Cestaro, Jamyle P., Silva, Samira A., Noleto, Gabrielly S., Gonçalves, Reuel L., Silva, George M., Paes, Felipe H., Gasperin, Bernardo G., Rovani, Monique T., Pfeifer, Luiz F.M.

“…Two experiments evaluated the effects of gonadotropin releasing hormone (GnRH) treatment on fertility of suckled Nelore beef cows treated with an…”
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