Clinical hemorheology and microcirculation · 2018
Adipose tissue-derived stem cells from affected and unaffected areas in patients with multiple symmetric lipomatosis show differential regulation of mTOR pathway genes.
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Felthaus Oliver, Schön Teresa, Schiltz Daniel, Aung Thiha, Kühlmann Britta, Jung Friedrich, Anker Alexandra, Klein Silvan, Prantl Lukas
Аннотация
BACKGROUND: Multiple symmetric lipomatosis is a rare disease characterized by the excessive growth of uncapsulated masses of adipose tissue. Although the etiology has yet to be elucidated, a connection to brown adipose tissue has been proposed recently. The mTOR pathway which is found to be regulated in lipomatous tissue as well as associated with brown adipose tissue can be inhibited by a compound called rapamycin.
METHODS: We isolated adipose tissue derived stem cells from both affected and unaffected tissue and treated these cells with different concentrations of rapamycin.
RESULTS: The differences in both proliferation and differentiation between adipose tissue derived stem cells (ASCs) from lipomatous and normal tissue decreased after mTOR pathway inhibition. In some patients regulation of mTOR genes was opposed in the ASCs from the two different tissues.
CONCLUSIONS: Treatment with rapamycin might be a novel therapeutical approach for patients suffering from multiple symmetric lipomatosis.
METHODS: We isolated adipose tissue derived stem cells from both affected and unaffected tissue and treated these cells with different concentrations of rapamycin.
RESULTS: The differences in both proliferation and differentiation between adipose tissue derived stem cells (ASCs) from lipomatous and normal tissue decreased after mTOR pathway inhibition. In some patients regulation of mTOR genes was opposed in the ASCs from the two different tissues.
CONCLUSIONS: Treatment with rapamycin might be a novel therapeutical approach for patients suffering from multiple symmetric lipomatosis.