Abstract
The basic pattern of metabolism in mammalian oocytes and early embryos was established in the 1960s and 1970s, largely in terms of the consumption of oxygen and the utilisation of nutrients present in culture media at the time, mainly glucose, pyruvate and lactate. The potential importance of endogenous fuels was also recognised but was largely ignored, only to be rediscovered quite recently. The 1980s and 1990s saw the arrival of a ‘new generation’ of culture media, characterised metabolically by the addition of amino acids, an initiative driven strongly by the need to improve embryo culture and selection methods in assisted reproductive technologies. This trend has continued alongside some basic metabolic studies and the general recognition of the importance of metabolism in all aspects of biology. A framework for future studies on oocyte and early embryo metabolism has been provided by: (1) the developmental origins of health and disease concept and recognition of the relationship between development, epigenetics and metabolism; (2) the need to understand cell signalling within, and between the cells of, the early embryo; and (3) the importance of identifying the mechanisms underlying dialogue between the oocyte and early embryo and the female reproductive tract.
Subject
Developmental Biology,Endocrinology,Genetics,Molecular Biology,Animal Science and Zoology,Reproductive Medicine,Biotechnology
Cited by
31 articles.
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