Search Results - "Nóbrega, H."

Studies in Zebrafish Reveal Unusual Cellular Expression Patterns of Gonadotropin Receptor Messenger Ribonucleic Acids in the Testis and Unexpected Functional Differentiation of the Gonadotropins by García-López, Ángel, de Jonge, Hugo, Nóbrega, Rafael H, de Waal, Paul P, van Dijk, Wytske, Hemrika, Wieger, Taranger, Geir L, Bogerd, Jan, Schulz, Rüdiger W

“…This study aimed to improve, using the zebrafish model, our understanding of the distinct roles of pituitary gonadotropins FSH and LH in regulating testis…”
Get full text

Proteolytically Activated, Recombinant Anti-Müllerian Hormone Inhibits Androgen Secretion, Proliferation, and Differentiation of Spermatogonia in Adult Zebrafish Testis Organ Cultures by Skaar, K. S, Nóbrega, R. H, Magaraki, A, Olsen, L. C, Schulz, R. W, Male, R

“…Anti-Müllerian hormone (Amh) is in mammals known as a TGFβ type of glycoprotein processed to yield a bioactive C-terminal homodimer that directs regression of…”
Get full text

Thyroid Hormone Stimulates the Proliferation of Sertoli Cells and Single Type A Spermatogonia in Adult Zebrafish (Danio rerio) Testis by Morais, R. D. V. S, Nóbrega, R. H, Gómez-González, N. E, Schmidt, R, Bogerd, J, França, L. R, Schulz, R. W

“…Thyroid hormones participate in regulating growth and homeostatic processes in vertebrates, including development and adult functioning of the reproductive…”
Get full text

Role of GnRH Isoforms in Paracrine/Autocrine Control of Zebrafish (Danio rerio) Spermatogenesis by Fallah, Hamideh P, Rodrigues, Maira S, Corchuelo, Sheryll, Nóbrega, Rafael H, Habibi, Hamid R

“…It is well established that hypothalamic GnRH (gonadotropin-releasing hormone) is one of the key peptides involved in the neuroendocrine control of testicular…”
Get full text

Sexual development dysgenesis in interspecific hybrids of Medaka fish by Martinez-Bengochea, A. L., Kneitz, S., Herpin, A., Nóbrega, R. H., Adolfi, M. C., Schartl, M.

“…Fish are amongst vertebrates the group with the highest diversity of known sex-determining genes. Particularly, the genus Oryzias is a suitable taxon to…”
Get full text

Interaction between thyroid hormones and gonadotropin inhibitory hormone in ex vivo culture of zebrafish testis: An approach to study multifactorial control of spermatogenesis by Rodrigues, Maira S., Fallah, Hamideh P., Zanardini, Maya, Malafaia, Guilherme, Habibi, Hamid R., Nóbrega, Rafael H.

“…Reproduction is under multifactorial control of neurohormones, pituitary gonadotropins, as well as of local gonadal signaling systems including sex steroids,…”
Get full text

Toxicological insights of Spike fragments SARS-CoV-2 by exposure environment: A threat to aquatic health? by Charlie-Silva, Ives, Araújo, Amanda P.C., Guimarães, Abraão T.B., Veras, Flávio P., Braz, Helyson L.B., de Pontes, Letícia G., Jorge, Roberta J.B., Belo, Marco A.A., Fernandes, Bianca H.V., Nóbrega, Rafael H., Galdino, Giovane, Condino-Neto, Antônio, Galindo-Villegas, Jorge, Machado-Santelli, Glaucia M., Sanches, Paulo R.S., Rezende, Rafael M., Cilli, Eduardo M., Malafaia, Guilherme

“…The Spike protein (S protein) is a critical component in the infection of the new coronavirus (SARS-CoV-2). The objective of this work was to evaluate whether…”
Get full text

Paracrine/autocrine control of spermatogenesis by gonadotropin-inhibitory hormone by Fallah, Hamideh P., Tovo-Neto, Aldo, Yeung, Edward C., Nóbrega, Rafael H., Habibi, Hamid R.

“…Control of testicular development is multifactorial and involves a number of hypothalamic, hypophyseal and peripheral hormones. Here, we investigated direct…”
Get full text

Endocrinology of neotropical vertebrates by Somoza, Gustavo M., Nóbrega, Rafael H.

Get full text

Effects of gonadotropin-inhibitory hormone on early and late stages of spermatogenesis in ex-vivo culture of zebrafish testis by Fallah, Hamideh P., Rodrigues, Maira S., Zanardini, Maya, Nóbrega, Rafael H., Habibi, Hamid R.

“…Gonadotropin-inhibitory hormone (Gnih) is known to play a role in the regulation of reproduction in vertebrates by influencing gonadotropin release and…”
Get full text

Characterization and enrichment of spermatogonial stem cells of common carp (Cyprinus carpio) by Vigoya, Angel A.A., Martinez, Emanuel R.M., Digmayer, Melanie, de Oliveira, Marcos A., Butzge, Arno J., Rosa, Ivana F., Doretto, Lucas B., Nóbrega, Rafael H.

“…Spermatogenesis is a systematically organized process that ensures uninterrupted sperm production in which the spermatogonial stem cells (SSCs) play a crucial…”
Get full text

Cystic proliferation of germline stem cells is necessary to reproductive success and normal mating behavior in medaka by Arias Padilla, Luisa F, Castañeda-Cortés, Diana C, Rosa, Ivana F, Moreno Acosta, Omar D, Hattori, Ricardo S, Nóbrega, Rafael H, Fernandino, Juan I

“…The production of an adequate number of gametes is necessary for normal reproduction, for which the regulation of proliferation from early gonadal development…”
Get full text

Successful Cryopreservation of Spermatogonia Stem Cells of Neotropical Catfish (Rhamdia quelen) and Enriched Germ Cell Transplantation into Common Carp (Cyprinus carpio) Testes by Rosa, Ivana F., Martinez, Emanuel R. M., Digmayer, Melanie, Doretto, Lucas B., Nóbrega, Rafael H.

“…Cryopreservation and transplantation of spermatogonial stem cells (SSCs) offer new possibilities in the conservation of valuable genetic resources. Therefore,…”
Get full text

Monitoring system and in situ conservation of endemic and threatened Beta patula Aiton populations in Madeira Region by Nóbrega, H., Freitas, G., Zavattieri, M. A., Ragonezi, C., Frese, L., de Carvalho, M. A. A. Pinheiro

“…Madeira Archipelago is a hotspot for crop wild relatives (CWR) of crop cultures. Some of these CWR are present in very specific environments, such as, in Ponta…”
Get full text

Histological and Stereological Evaluation of Zebrafish (Danio rerio) Spermatogenesis with an Emphasis on Spermatogonial Generations by Leal, Marcelo C, Cardoso, Edson R, Nóbrega, Rafael H, Batlouni, Sergio R, Bogerd, Jan, França, Luiz R, Schulz, Rüdiger W

“…The zebrafish has become an important vertebrate model for basic and biomedical research, including the research field of the biology of reproduction. However,…”
Get full text

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…”
Get full text

Thyroid axis participates in high-temperature-induced male sex reversal through its activation by the stress response by Castañeda-Cortés, Diana C., Rosa, Ivana F., Boan, Agustín F., Marrone, Demian, Pagliaro, Natalia, Oliveira, Marcos A., Rodrigues, Maira S., Doretto, Lucas B., Silva, Camila, Tavares-Júnior, José, Costa, Daniel F., Dodds, María S., Strobl-Mazzulla, Pablo H., Langlois, Valerie S., Nóbrega, Rafael H., Fernandino, Juan I.

“…Environmental changes alter the sex fate in about 15% of vertebrate orders, mainly in ectotherms such as fish and reptiles. However, the effects of temperature…”
Get full text

Glycoprotein Hormone Receptor Knockdown Leads to Reduced Reproductive Success in Male Aedes aegypti by Rocco, David A, Garcia, Ana S G, Scudeler, Elton L, Dos Santos, Daniela C, Nóbrega, Rafael H, Paluzzi, Jean-Paul V

“…Glycoprotein hormone receptors mediate a diverse range of physiological functions in vertebrate and invertebrate organisms. The heterodimeric glycoprotein…”
Get full text

Single-cell-resolution transcriptome map revealed novel genes involved in testicular germ cell progression and somatic cells specification in Chinese tongue sole with sex reversal by Wang, Hong-Yan, Liu, Xiang, Chen, Jian-Yang, Huang, Yingyi, Lu, Yifang, Tan, Fujian, Liu, Qun, Yang, Mingming, Li, Shuo, Zhang, Xianghui, Qin, Yating, Ma, Wenxiu, Yang, Yingming, Meng, Liang, Liu, Kaiqiang, Wang, Qian, Fan, Guangyi, Nóbrega, Rafael H., Liu, Shanshan, Piferrer, Francesc, Shao, Changwei

“…Female-to-male sex reversals (pseudomales) are common in lower vertebrates and have been found in natural populations, which is a concern under rapid changes…”
Get full text

overview of functional and stereological evaluation of spermatogenesis and germ cell transplantation in fish by Nóbrega, R. H, Batlouni, S. R, França, L. R

“…Although there are almost thirty-thousand species of fish living in a great variety of habitats and utilizing vast reproductive strategies, our knowledge of…”
Get full text