Transcriptional control of haematopoietic specification and differentiation

Every time a new blood cell forms—whether to fight an infection, clot a wound, or carry oxygen—a protein called SCL is at the centre of the process. This research aims to understand exactly how SCL controls blood formation at the molecular level, and what goes wrong when it stops working properly. Many inherited and acquired blood disorders, including anaemia and leukaemia, arise when the production of specific blood cells is disrupted. Despite recent progress in identifying the factors that direct blood formation, the precise molecular machinery that SCL uses to switch genes on and off remains poorly understood. Without that knowledge, it is difficult to design therapies that correct these disruptions rather than simply manage their symptoms. This is fundamental science. The researchers will use mouse embryonic stem cells to recreate the earliest steps of blood development in a dish, allowing them to watch how SCL assembles a protein complex and coordinates the expression of key genes. If they succeed, they will have mapped a core control circuit of blood formation. That map could eventually help explain why certain mutations lead to leukaemia, and point toward molecular targets for future drugs.