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| Magalhães,D.M.; Araújo,V.R.; Lima-Verde,I.B.; Matos,M.H.T.; Silva,R.C.; Lucci,C.M.; Báo,S.N.; Campello,C.C.; Figueiredo,J.R.. |
| Porcine pituitary follicle stimulating hormone (pFSH) is known to regulate the production of growth factors that have an essential role in early foliculogenesis. However, the effects of different preparations of pFSH on the survival and development of caprine follicles are not yet known. The aim of this study was to evaluate the effects of different pFSH (Stimufol® and Folltropin®) on the in vitro survival and growth of caprine preantral follicles. Pieces of caprine ovarian tissues were cultured for either one or seven days in a supplemented Minimum Essential Medium, alone or containing either Stimufol® (50 ng/mL) or Folltropin® (10, 50, 100 and 1000 ng/mL). Fresh control ovarian tissues as well as cultured tissued were processed for histological and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Goat; Preantral follicles; FSH; Follicular growth. |
| Ano: 2009 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452009000200003 |
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| Costa,Sonia Helena Furtado; Santos,Regiane Rodrigues dos; Ferreira,Marcos Antônio Leal; Machado,Vanessa Porto; Rodrigues,Ana Paula Ribeiro; Ohashi,Otávio Mitio; Figueiredo,José Ricardo de. |
| The present study investigated the efficiency of saline solution and coconut water solution in the preservation of goat preantral follicles enclosed in ovarian tissue, at different temperatures and for different incubation periods. At the slaughterhouse, the ovarian pair was divided into 19 fragments; one ovarian fragment was immediately fixed for histology (control-time zero). The other 18 ovarian fragments were preserved in both solutions at 4ºC, 20ºC or 39ºC for 4 h, 12 h or 24 h. The histological analysis showed that the storage of ovarian fragments in both solutions at 4ºC for up to 24 h kept the percentage of normal preantral follicles similar to the control values. In contrast, preservation at 20°C or 39ºC, in either solution, reduced significantly... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Preservation; Goat; Preantral follicles; Coconut water; Saline solution. |
| Ano: 2002 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-95962002000600009 |
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| Lima,G.L.; Santos,E.A.A.; Lima,L.F.; Luz,V.B.; Rodrigues,A.P.R.; Silva,A.R.. |
| We compare protocols for the short-term preservation of collared peccarie's ovarian preantral follicles (PFs) by using phosphate buffered saline- (PBS) or powdered coconut water- (ACP(r)) based medium. For morphology analysis each pair of ovaries collected from six females was divided into nine fragments. One fragment was destined for morphology analysis (histology and transmission electron microscopy - TEM), constituting the control group and the other fragments were placed in tubes with PBS or ACP(r), packed in 5 L Styrofoam boxes, stored for 4h, 12h, 24h, and 36h, and then analyzed. For viability analysis a pair of ovaries from two additional females was divided into nine fragments; one fragment was immediately destined for viability analysis (Trypan... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Collared peccaries; Preantral follicles; Coconut water; Ovary; Oocytes. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352014000601623 |
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| Nóbrega Jr.,J.E.; Rossetto,R.; Matos,M.H.T.; Chaves,R.N.; Magalhães,D.M.; Lima-Verde,I.B.; Báo,S.N.; Campello,C.C.; Figueiredo,J.R.; Gonçalves,P.B.D.; Oliveira,J.F.C.. |
| This study describes the effect of sphingosine 1-phosphate (S1P) for development of preantral follicle, therefore the activation and follicular viability of caprine follicles cultured in vitro. Ovarian fragments were cultured for 1 or 7 days in Minimum Essential Medium with different S1P concentrations (0, 1, 10, 50, 100 or 200ng/mL). All ovarian fragments were processed for histological analysis in optical microscopy, transmission electron microscopy and fluorescence analysis. The treatment using 1ng/mL of S1P was able to maintain the percentage of normal follicles with the progression of the culture from day 1 to 7. At end of the 7-day culture period there was a significant reduction (P<0.05) in the percentage of primordial follicles in all groups... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Goat; Preservation; Preantral follicles; Sphingosine 1-phosphate; Follicular activation. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352014000400977 |
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