Search Results - "Franca, L.R"

Duration of spermatogenesis and identification of spermatogonial stem cell markers in a Neotropical catfish, Jundiá (Rhamdia quelen) by Lacerda, S.M.S.N., Martinez, E.R.M., Mura, I.L.D.D., Doretto, L.B., Costa, G.M.J., Silva, M.A., Digmayer, M., Nóbrega, R.H., França, L.R.

“…•The combined duration of meiotic and spermiogenic phases is approximately 7 days.•Selected stem cell genes were partially sequenced and characterized in…”
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Successful Xenogeneic Germ Cell Transplantation from Jundia Catfish ( Rhamdia quelen ) into Adult Nile tilapia ( Oreochromis niloticus ) Testes by Silva, M.A, Costa, G.M.J, Lacerda, S.M.S.N, Brandão-Dias, P.F.P, Kalapothakis, E, Silva Júnior, A.F, Alvarenga, E.R, França, L.R

“…Highlights • Tilapia testis offers proper environment for catfish germ cell transplantation. • Jundia catfish spermatogonia are able to fully develop in the…”
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Slow increase of Sertoli cell efficiency and daily sperm production causes delayed establishment of full sexual maturity in the rodent Chinchilla lanigera by Leal, M.C., França, L.R.

“…Puberty in the male Andean rodent Chinchilla lanigera occurred ∼3 mo after birth, whereas full sexual maturity was established much later. The objective of the…”
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Duration of spermatogenesis in the bullfrog ( Lithobates catesbeianus) by Segatelli, T.M., Batlouni, S.R., França, L.R.

“…The bullfrog ( Lithobates catesbeianus) has substantial economic importance and has also been used as an experimental model for biological studies in the…”
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Testis stereology, seminiferous epithelium cycle length, and daily sperm production in the ocelot ( Leopardus pardalis) by Silva, R.C., Costa, G.M.J., Andrade, L.M., França, L.R.

“…Similar to most wild felids, the ocelot ( Leopardus pardalis) is an endangered species. However, knowledge regarding reproductive biology of the ocelot is very…”
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Duration of spermatogenesis and daily sperm production in the jaguar ( Panthera onca) by Costa, G.M.J., Chiarini-Garcia, H., Morato, R.G., Alvarenga, R.L.L.S., França, L.R.

“…The jaguar, like most wild felids, is an endangered species. Since there are few data regarding reproductive biology for this species, our main goal was to…”
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Spermatogenic efficiency in the spiny rat, Trinomys moojeni (Rodentia: Echimyidae) by Cordeiro-Júnior, D.A., Costa, G.M.J., Talamoni, S.A., França, L.R.

“…The spiny rat ( Trinomys moojeni) is a rodent found in the Atlantic Forest, which is considered one of the most diverse and threatened biomes in the world…”
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Testis Morphometry, Seminiferous Epithelium Cycle Length, and Daily Sperm Production in Domestic Cats (Felis catus) by França, Luiz R, Godinho, Christiane L

“…There is very little information regarding the testis structure and function in domestic cats, mainly data related to the cycle of seminiferous epithelium and…”
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Spermatogenesis and sperm transit through the epididymis in mammals with emphasis on pigs by Franca, L.R, Avelar, G.F, Almeida, F.F.L

“…Starting from the period of testis differentiation, the Sertoli cell plays a pivotal role in the development of a functional testis. FSH is the major mitotic…”
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Mild calorie restriction does not affect testosterone levels and testicular gene expression in mutant mice by Rocha, Juliana S, Bonkowski, Michael S, França, Luiz R, Bartke, Andrzej

“…The hypothalamic-pituitary-gonadal (HPG) axis and the somatotropic axis are influenced by nutritional factors. Calorie restriction (CR) extends lifespan but…”
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Duration of spermatogenesis and sperm transit time through the epididymis in the Piau boar by França, L.R., Cardoso, F.M.

“…The Piau boar is a rustic breed of economical importance in Brazil. The duration of spermatogenesis and sperm transit through the epididymis in Piau boars was…”
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The length of the cycle of seminiferous epithelium in goats (Capra hircus) by França, L.R., Becker-Silva, S.C., Chiarini-Garcia, H.

“…This is the first report in literature showing the length of the seminiferous epithelium cycle in goats. In the present study, the duration of spermatogenesis…”
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Seminiferous epithelium cycle and its duration in capybaras (Hydrochoerus hydrochaeris) by Paula, T.A.R., Chiarini-Garcia, H., França, L.R.

“…Although capybara is the largest rodent in the world and largely distributed in Central and South America, there is no report in the literature concerning the…”
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Antagonistic regulation of spermatogonial differentiation in zebrafish (Danio rerio) by Igf3 and Amh by Morais, R.D.V.S., Crespo, D., Nóbrega, R.H., Lemos, M.S., van de Kant, H.J.G., de França, L.R., Male, R., Bogerd, J., Schulz, R.W.

“…Fsh-mediated regulation of zebrafish spermatogenesis includes modulating the expression of testicular growth factors. Here, we study if and how two Sertoli…”
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Development of germ cell transplants in mice by Parreira, G.G. (Southern Illinois University School of Medicine, Carbondale, IL.), Ogawa, T, Avarbock, M.R, Franca, L.R, Brinster, R.L, Russell, L.D

“…Development of spermatogonial transplants was studied by using 5- to 6-wk-old histocompatible mice as cell donors and sterile (W-locus) mice as recipients…”
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Insights into differentiation and function of the transition region between the seminiferous tubule and rete testis by Figueiredo, A.F.A., Hess, Rex A., Batlouni, S.R., Wnuk, N.T., Tavares, A.O., Abarikwu, S.O., Costa, G.M.J., França, L.R.

“…Seminiferous tubules physically connect to the rete testis through short segments called the transition region (TR). During fetal development, this specialized…”
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Exposure to constant light during testis development increases daily sperm production in adult Wistar rats by Rocha, D.C.M., Debeljuk, L., França, L.R.

“…Testis histometry and daily sperm production (DSP) were evaluated in adult (160-day-old) Wistar rats exposed to constant light for the first 25 days after…”
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Characterization of spermatogonial cells and niche in the scorpion mud turtle (Kinosternon scorpioides) by Costa, G.M.J., Sousa, A.L., Figueiredo, A.F.A., Lacerda, S.M.S.N., França, L.R.

“…•The different spermatogonial cell types were morphologically characterized.•Aund spermatogonial cells presented by far the largest nucleus…”
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Spermatogenesis in a neotropical marsupial species, Philander frenatus (Olfers, 1818) by Figueiredo, A.F.A., Cordeiro, D.A., Nogueira, J.C., Talamoni, S.A., França, L.R., Costa, G.M.J.

“…•Ten stages of SEC based on the acrosomic system in P. frenatus were characterized.•P. frenatus exhibited similar pre and post-meiotic phase frequencies.•The…”
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Sertoli cell efficiency and daily sperm production in goats (Capra hircus) by Leal, M.C, Becker-Silva, S.C, Chiarini-Garcia, H, Franca, L.R

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