Results 91 to 100 of about 13,008 (277)

Assessing fertility preservation strategies: A scoping review

Asian Pacific Journal of Reproduction
Objective: To describe the various options available for preserving female and/or male fertility, taking into account both social and medical aspects, and to identify the effects of different natural products on male infertility extracted from plants ...
Chaimaa Hilali, Chafika Nadifi, Modou Mamoune Mbaye, Nouama Bouanani, Kettani Halabi Mohamed, Noureddine Louanjli, Moncef Benkhalifa, Fatima Azzahra Lahlou   +7 more
doaj   +1 more source

Transcriptomic profile of genes encoding proteins responsible for regulation of cells differentiation and neurogenesis in vivo and in vitro – an oocyte model approach

Medical Journal of Cell Biology, 2020
The growth and development of the oocyte is essential for the ovarian follicle. Cumulus cells (CCs) - a population of granulosa cells - exchange metabolites, proteins and oocyte-derived paracrine factors with the oocyte through gap junctions, to ...
Lisa Moncrieff, I. Kocherova, A. Bryja, W. Kranc, Joanna Perek, M. Kulus, M. Ješeta, C. Dompe, Greg Hutchings, Krzysztof Janowicz, P. Celichowski, M. Bruska, M. Zabel, B. Kempisty, P. Mozdziak   +14 more
semanticscholar   +1 more source

Oocyte–cumulus cell interaction: a key factor in early embryo development

Biological Reviews, EarlyView.
ABSTRACT The evaluation of oocyte competence is a fundamental step in achieving successful outcomes following assisted reproduction techniques (ART). At present, however, conventional oocyte maturation assessment is carried out by morphological observation, which is a subjective method that does not consider molecular features.
Marc Torres‐Garrido, Marc Yeste, Yentel Mateo‐Otero   +2 more
wiley   +1 more source

Goat incubator: Can bovine oocytes be matured in the uterine horn of a goat?

Semina: Ciências Agrárias, 2019
We used a goat as a live incubator, along with associated nonsurgical embryo transfer techniques, to perform ex situ (in vivo) maturation of bovine oocytes.
Jeferson Fereira da Fonseca, Ribrio Ivan Tavares Pereira Batista, Juliane Teramachi Trevizan, Joanna Maria Gonçalves Souza-Fabjan, Felipe Zandonadi Brandão, Luiz Sérgio Almeida Camargo   +5 more
doaj   +1 more source

Embryonic development of the Mediterranean starfish Hacelia attenuata

Developmental Dynamics, EarlyView.
Abstract Background Starfish play essential ecological roles as predators and ecosystem regulators; however, detailed developmental descriptions exist for only a handful of species, none of which are from the Mediterranean Sea. Results In this study, we provide the first full account of the development of the Mediterranean starfish Hacelia attenuata ...
Silvia Caballero‐Mancebo, Laurent Gilletta, Janet Chenevert, Stefania Castagnetti   +3 more
wiley   +1 more source

Effect of vitrification on morphology and in-vitro maturation outcome of human immature oocytes [PDF]

, 2012
Background. In assisted reproductive techniques, 85% retrieved oocytes are mature, and the rest are immature. These immature oocytes may be matured in vitro, and used in subsequent in vitro fertilization program.
Hemayatkhah Jahromi, Vahid, Agharahimi, Azam, Khalili, Mohammad Ali, Mohsenzadeh, Mehdi, Nazari, Saeedeh, Halvaei, Iman   +5 more
core   +2 more sources

Cryopreservation/transplantation of ovarian tissue and in vitro maturation of follicles and oocytes: Challenges for fertility preservation

Reproductive Biology and Endocrinology, 2008
Cryopreservation of ovarian tissue and in vitro follicle maturation are two emerging techniques for fertility preservation, especially in cancer patients. These treatment regimes are opening up more options and allow for more suitable choices to preserve
Agarwal Ashok, Falcone Tommaso, du Plessis Stefan S, Varghese Alex C   +3 more
doaj   +1 more source

Goat Embryo Development from in vitro Matured Oocytes of Heterogeneous Quality Through Intracytoplasmic Sperm Injection Technique

Biotechnology(Faisalabad), 2007
Experiments were conducted to develop an intracytoplasmic sperm injection (ICSI) protocol to produce goat embryos from in vitro matured heterogeneous oocytes. Two different protocols ('Protocol 1' or P-1 and 'Protocol 2′ or P-2) were formulated and tested to develop a suitable one.
Abdullah, Ramli, Rahman, A.N.M.A., Embong, W.K.W.   +2 more
openaire   +1 more source

A shining starlet: Nematostella vectensis as a model for developmental, regenerative, and comparative biology

Developmental Dynamics, EarlyView.
Abstract The sea anemone, Nematostella vectensis, has been used as a model organism in developmental biology studies for many years. This estuarine species has the notable capacity to regenerate its full body plan from small pieces throughout life. Nematostella have been described as having a great degree of cellular plasticity.
Patrick A. Lewis, Zachary Horowitz, Michael Shribak, Karen Echeverri   +3 more
wiley   +1 more source

Retinoic Acid Action in Cumulus Cells: Implications for Oocyte Development and In Vitro Fertilization

International Journal of Molecular Sciences
In the field of human in vitro fertilization (IVF), selecting the best oocyte for freezing or embryo for transfer remains an important focus of clinical practice.
N. Sidell, Augustine Rajakumar
semanticscholar   +1 more source