Results 1 to 10 of about 298,840 (357)

DNA double strand breaks but not interstrand crosslinks prevent progress through meiosis in fully grown mouse oocytes [PDF]

, 2012
There is some interest in how mammalian oocytes respond to different types of DNA damage because of the increasing expectation of fertility preservation in women undergoing chemotherapy.
Julie A. Merriman, Keith T Jones, Michael R. Volkert, Moira K. O'Bryan, Wai Shan Yuen   +4 more
core   +17 more sources

Eugenol Improves Follicular Survival and Development During in vitro Culture of Goat Ovarian Tissue

Frontiers in Veterinary Science, 2022
This study evaluated the effects of different concentrations (10, 20, or 40 μM) of eugenol (EUG 10, EUG 20, or EUG 40), ascorbic acid (50 μg/mL; AA) or anethole (300 μg/mL; ANE 300) on the in-vitro survival and development of goat preantral follicles and
R. F. Silva, L. F. Lima, Anna C. A. Ferreira, A. F. B. Silva, D. R. Alves, B. G. Alves, A. C. Oliveira, Selene M. Morais, Ana Paula R. Rodrigues, Regiane R. Santos, J. R. Figueiredo   +10 more
doaj   +1 more source

Reciprocal Interactions Between Human GV-Oocytes and Cumulus Cells: Effects on GVBD, ROS Production, and AMPK Expression. [PDF]

Medicina (Kaunas)
Ban Z, Todorov P, Rahimi G, Skala C, Isachenko V.   +4 more
europepmc   +2 more sources

Equine ovarian tissue xenografting: impacts of cooling, vitrification, and VEGF

Reproduction and Fertility, 2021
Ovarian tissue transplantation methods using cooled and cryopreserved samples have been attractive options for fertility preservation in animal models and humans.
Samara Silva Souza, Francisco Leo Nascimento Aguiar, Benner Geraldo Alves, Kele Amaral Alves, Fabiana Aparecida Santilli Brandão, Danielle Cristina Calado Brito, Ramon da Silva Raposo, Melba Oliveira Gastal, Ana Paula Ribeiro Rodrigues, José Ricardo Figueiredo, Dárcio Ítalo Alves Teixeira, Eduardo Leite Gastal   +11 more
doaj   +1 more source

Metformin promotes in vitro maturation of oocytes from aged mice by attenuating mitochondrial oxidative stress via SIRT3-dependent SOD2ac

Frontiers in Cell and Developmental Biology, 2022
Human female fecundity decreases irreversibly as chronological age rises, adversely affecting oocyte quality, consequently worsening pregnancy outcomes and increasing the extent of birth defects.
Yongzhi Cao, Yongzhi Cao, Yongzhi Cao, Yongzhi Cao, Yongzhi Cao, Yongzhi Cao, Yongzhi Cao, Zhao Wang, Zhao Wang, Zhao Wang, Zhao Wang, Zhao Wang, Zhao Wang, Changming Zhang, Changming Zhang, Changming Zhang, Changming Zhang, Changming Zhang, Changming Zhang, Yuehong Bian, Yuehong Bian, Yuehong Bian, Yuehong Bian, Yuehong Bian, Yuehong Bian, Xin Zhang, Xin Zhang, Xin Zhang, Xin Zhang, Xin Zhang, Xin Zhang, Xin Liu, Xin Liu, Xin Liu, Xin Liu, Xin Liu, Xin Liu, Wendi Chen, Wendi Chen, Wendi Chen, Wendi Chen, Wendi Chen, Wendi Chen, Yueran Zhao, Yueran Zhao, Yueran Zhao, Yueran Zhao, Yueran Zhao, Yueran Zhao, Yueran Zhao   +49 more
doaj   +1 more source

Oocyte cryopreservation [PDF]

Human Reproduction, 1998
Cryopreservation of human oocytes has been employed with little success in clinical practice, even though it may solve the legal and ethical problems linked to embryo freezing. Various attempts to cryopreserve human oocytes have mostly been unsuccessful, leading to low oocyte survival rates after thawing, and the search for an optimal protocol for ...
R, Fabbri, E, Porcu, T, Marsella, M R, Primavera, R, Seracchioli, P M, Ciotti, O, Magrini, S, Venturoli, C, Flamigni   +8 more
openaire   +2 more sources

Distinct Signaling Pathways Distinguish in vivo From in vitro Growth in Murine Ovarian Follicle Activation and Maturation

Frontiers in Cell and Developmental Biology, 2021
Women with cancer and low ovarian reserves face serious challenges in infertility treatment. Ovarian tissue cryopreservation is currently used for such patients to preserve fertility.
Mahboobeh Amoushahi, Karin Lykke-Hartmann, Karin Lykke-Hartmann, Karin Lykke-Hartmann   +3 more
doaj   +1 more source

Dynamic Changes in Proteome during Yak Oocyte Maturation Analyzed Using iTRAQ Technology

Animals, 2023
The aim of this study was to investigate protein regulation at different time points during the in vitro maturation of yak oocytes. Yak oocytes at GV, MI, and MII stages were collected during in vitro maturation, and differential proteomics sequencing ...
Xin Ma, Meng Wang, Jinglei Wang, Qian Zhang, Sisi Pu, Rui Wang, Sijiu Yu, Libin Wang, Yangyang Pan   +8 more
doaj   +1 more source

Oocyte maturation [PDF]

Human Reproduction, 1998
Primary oocytes recovered from small and growing follicles of > or = 3 mm in the ovaries of untreated women, can be matured in vitro, will fertilize and develop in vitro, and when transferred to the patient, develop to term. However, the implantation rate of cleaved embryos has been disappointingly low and when embryos are allowed to develop beyond the
A, Trounson, C, Anderiesz, G M, Jones, A, Kausche, N, Lolatgis, C, Wood   +5 more
openaire   +2 more sources

Genome-wide methylation profile of mitochondrial DNA across bovine preimplantation development

Epigenetics, 2023
This study characterized variations in the methylation profile of mitochondrial DNA (mtDNA) during initial bovine embryo development and correlated the presence of methylation with mtDNA transcription.
Camila Bruna de Lima, Hélène Martin, Marcella Pecora Milazzotto, Marc-André Sirard   +3 more
doaj   +1 more source