Glucose, glucose transporters and blastocyst formation in the mouse

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Embryo-based biotechnologies have the potential to improve human reproductive health, notably in treating infertility by In vitro fertilisation (IVF). They are also central to the future use of embryonic stem cells for human tissue replacement. This project investigates the molecular mechanisms controlling one of the earliest differentiations in the growth of the embryo. Using the mouse as an experimental model it will investigate the importance of several factors in the changes which set up the placenta and fetus as seperate tissues in the very early embryo. A key focus is the supply of glucose to the newly fertilised embryo and how important this glucose supply is for the survival of the embryo. Moreover there is great interest in the possibility that metabolic events in utero can contribute to the development of diseases in later life, notably, coronary heart diease, stroke, high blood pressure and non-insulin dependent diabetes. The results from these studies will contribute to our understanding of why some couples are infertile, lead to improved management of infertility by diet and invitro fertilisation procedures. It will also be of benefit in dietary advice to women with diabetes mellitus, seeking to have children. The adenoviral strategy for gene delivery into early mouse embryos may in the long term also find wide clinical application in the treatment of genetic defects at the very earliest stages in development and as such is of enormous potential benefit in the management of both animal and human reproduction.