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Role Of Syndecan-1 As Key Regulator Of Multiple Myeloma Pathogenesis, Yekaterina Borisovna Khotskaya
Role Of Syndecan-1 As Key Regulator Of Multiple Myeloma Pathogenesis, Yekaterina Borisovna Khotskaya
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Syndecan-1 (CD138), a transmembrane heparan sulfate-bearing proteoglycan, is expressed at high levels on most myeloma cells and is shed into the microenvironment. In patients, high levels of serum syndecan-1 are indicative of poor prognosis and elevation of shed syndecan-1 in animal models dramatically enhances tumor growth, angiogenesis and metastasis. Because syndecan-1 is a key regulator of myeloma pathogenesis, we hypothesized that reduction of syndecan-1 levels expressed by the myeloma cells will block their growth and dissemination. Syndecan-1 knockout and knockdown variants of two human myeloma cell lines, CAG and RPMI-8226, were developed using short hairpin RNA (shRNA) technology. In vitro, …