Maturation of oocytes in vitro

P Lonergan, T Fair - Annual Review of Animal Biosciences, 2016 - annualreviews.org
Only a fraction of oocytes present in the ovaries at birth are ever ovulated during the lifetime
of a female mammal. In vitro maturation (IVM) offers the possibility to exploit what is a largely …

[HTML][HTML] Oocyte maturation and quality: role of cyclic nucleotides

RB Gilchrist, AM Luciano, D Richani, HT Zeng… - …, 2016 - rep.bioscientifica.com
The developing fetus requires substantial amounts of fatty acids to support rapid cellular
growth and activity. Although the fatty acid composition delivered to the fetus is largely …

Extending prematuration with cAMP modulators enhances the cumulus contribution to oocyte antioxidant defence and oocyte quality via gap junctions

HJ Li, ML Sutton-McDowall, X Wang… - Human …, 2016 - academic.oup.com
STUDY QUESTION Can bovine oocyte antioxidant defence and oocyte quality be improved
by extending the duration of pre-in vitro maturation (IVM) with cyclic adenosine mono …

Recent advances in in vitro embryo production in small ruminants

MT Paramio, D Izquierdo - Theriogenology, 2016 - Elsevier
To increase productivity in the small ruminant industry, the genetic material of these species
should be improved. In vitro embryo production could be an important technology to reach …

[HTML][HTML] Oocyte in vitro maturation: physiological basis and application to clinical practice

RB Gilchrist, J Smitz - Fertility and sterility, 2023 - Elsevier
Oocyte in vitro maturation (IVM) is an assisted reproductive technology with a long and
sometimes checked history. It is a minimally invasive technique involving the deliberate …

A pre-in vitro maturation medium containing cumulus oocyte complex ligand-receptor signaling molecules maintains meiotic arrest, supports the cumulus oocyte …

NW Santiquet, AF Greene, J Becker… - MHR: Basic science …, 2017 - academic.oup.com
STUDY QUESTION Can a pre-in vitro maturation (pre-IVM) medium containing signaling
molecules rather than chemical/pharmaceutical agents, sustain meiotic arrest and improve …

Approaches to oocyte meiotic arrest in vitro and impact on oocyte developmental competence

D Richani, RB Gilchrist - Biology of Reproduction, 2022 - academic.oup.com
Oocytes are maintained in a state of meiotic arrest following the first meiotic division until
ovulation is triggered. Within the antral follicle, meiotic arrest is actively suppressed in a …

Role of cAMP modulator supplementations during oocyte in vitro maturation in domestic animals

GR Leal, CAS Monteiro, JMG Souza-Fabjan… - Animal reproduction …, 2018 - Elsevier
Cyclic adenosine monophosphate (cAMP) is an important molecule in signal transduction
within the cell, functioning as a second cell messenger of gonadotrophin stimulation. The …

The Simulated Physiological Oocyte Maturation (SPOM) system in domestic animals: A systematic review

GR Leal, CAS Monteiro, L de Rezende Carvalheira… - Theriogenology, 2022 - Elsevier
Abstract Simulated Physiological Oocyte Maturation (SPOM) mimics in vitro the
physiological events of oocyte maturation. The system uses cAMP modulators in two steps …

Transvaginal ultrasound‐guided oocyte retrieval in cattle: State‐of‐the‐art and its impact on the in vitro fertilization embryo production outcome

LB Ferré, H Alvarez‐Gallardo, S Romo… - … in Domestic Animals, 2023 - Wiley Online Library
Transvaginal ultrasound‐guided oocyte retrieval (commonly called OPU) and in vitro
embryo production (IVP) in cattle has shown significant progress in recent years, in part, as a …