Scientists at the University of Edinburgh have developed a model that will enable them to investigate, for the first time, how human testes develop in baby boys while they are in the womb. Until now it has been impossible to study testicular development during pregnancy in humans and this discovery will enable researchers to understand the processes that can lead to the onset of testicular germ cell cancer (TGCC) in young adult life, and how factors, such as common environmental chemicals, might play a role.
According to study leader, there is now overwhelming evidence that growth and development in foetal life play a fundamental role in determining the future risk of a wide range of common diseases in later life. Male reproductive disorders fall into this category, in particular testicular germ cell cancer, the commonest cancer of young men in their 20s and 30s.
The research is published online in Europe’s leading reproductive medicine journal Human Reproduction [1] today (Wednesday 4 August).

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