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Andreia Raposo, Susana M. F. Ferreira, Rodolfo Ramos, Catarina Anjos, Sílvia C. Gonçalves, Pedro M. Santos, Teresa Baptista, José L. Costa and Ana Pombo
A population of sea urchins, Paracentrotus lividus, from the central west coast of Portugal was studied to characterise their reproductive biology and possible relationships with environmental factors. An annual gametogenic cycle was found, with a broad ...
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Jessica Cremonese, Marianna Marcon, Laura Oppi, Giulia Paletti, Vincenzo Romolo, Pamela Tozzo and Luciana Caenazzo
Starting with a brief socioeconomic analysis of the phenomenon of female fertility, this narrative review aims to provide an analysis of the use and possibilities of medically assisted reproductive technology in combating fertility issues, adopting socio...
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Yuya Hasegawa, Ryohei Surugaya, Shinji Adachi and Shigeho Ijiri
In several teleosts, 17a, 20ß-dihydroxy-4-pregnen-3-one (DHP) has been identified as a maturation-inducing steroid. DHP is synthesized from 17a-hydroxyprogesterone (17OHP) by 17ß-hydroxysteroid dehydrogenase type 12-like (hsd17b12L). Along with 3ß-hydrox...
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Xiangfei Zhao, Maosheng Cui, Yidi Zhang, Yaowei Liu and Xin Zhao
Oocyte enucleation is a critical procedure for somatic cell nuclear transfer. Yet, the main steps of oocyte enucleation are still manually operated, which presents several drawbacks such as low precision, high repetition error, and long training time for...
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Estefania Paredes
The sea urchin has long been used as an invertebrate model organism in developmental biology, membrane transport and sperm oocyte interactions, and for the assessment of marine pollution. This review explores the effects of cryopreservation and biobankin...
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