Myeloma

Research results from Virginia Commonwealth University update knowledge of myeloma

Published in Blood Weekly, October 30th, 2008

According to recent research from the United States, "The role of the Ras/MEK/ERK pathway was examined in relation to DNA damage in human multiple myeloma (MM) cells exposed to Chk1 inhibitors in vitro and in vivo. Exposure of various MM cells to marginally toxic concentrations of the Chk1 inhibitors UCN-01 or Chk1i modestly induced DNA damage, accompanied by Ras and ERK1/2 activation."

"Interruption of these events by pharmacologic (eg, the farnesyltransferase inhibitor R115777 or the MEK1/2 inhibitor PD184352) or genetic (eg, transfection with dominant-negative Ras or MEK1 shRNA) means induced pronounced DNA damage, reflected by increased gamma H2A.X expression/foci...

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Source: Blood Weekly (2008-10-30)

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