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FRIMEDBIO-Fri prosj.st. med.,helse,biol

Nutritional Programming of Adipose Tissue Functions; The use of Atlantic salmon as a model organism for obesity

Tildelt: kr 2,4 mill.

Excessive fat deposition, bone deformities, and inflammatory diseases are important problems faced by the intensive aquaculture industries today. Although not known for fish, these problems may be linked to nutritional programming at early life stages. Mo st species studied have high number of unspecialised mesenchymal stem cells (MSCs) that have the potential to develop into many different cell types at early life stage. There are clear indications from human studies that nutrition during early foetal dev elopment influences the lineage determination of MSCs towards that of fat cells (adipocytes), bone cells (osteoblast) and muscle cells (myocytes). In my PhD work we showed, for the first time, that fish stem cell differentiation towards adipocytes is inf luenced by different fatty acids (FAs). We further characterised the development of MSCs to mature adipocytes by transcriptome analyses. These studies further showed that salmon adipogenesis is regulated more or less in the same way as in humans. Our resu lts also showed that salmon adipocytes express genes coding for inflammatory cytokines, supporting the idea that the adipocytes may be involved in inflammatory responses in the fish. The proposed Post Doc project will give me an opportunity to continue o ur pioneer work on adipose development in fish and further increase the knowledge on the connection between early dietary programming, adipose- and bone tissue development and inflammatory disease. The Post Doc project will further give me and my institut e an opportunity to collaborate with Oxford University, which is one of the leading institutes within human obesity research today, and University in Barcelona which is a leading institute in the field of endocrinology and adipose tissue development in fi sh.

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FRIMEDBIO-Fri prosj.st. med.,helse,biol

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