US re­searchers de­velop mag­netic wire for iden­ti­fy­ing blood cancer

BioSpectrum (Asia) - - World News -

A group of re­searchers at the Stan­ford Univer­sity School of Medicine in the US has cre­ated a mag­netic wire to cap­ture free-float­ing tu­mour cells in the pa­tients’ blood. Ex­pected to aid in early di­ag­no­sis, the wire is threaded into a vein to de­tect even scarce and hard-to-cap­ture tu­mour cells. The wire at­tracts unique mag­netic nanopar­ti­cles that have been en­gi­neered with an an­ti­body to bind to any tu­mour cells cir­cu­lat­ing in the blood­stream and pull them out. The ca­pa­bil­ity of the mag­ne­tised wire to cap­ture more cells, com­pared to ex­ist­ing blood-based cancer-de­tec­tion ap­proaches, could aid in the early de­tec­tion of cancer. In ad­di­tion, the new tech­nique is ex­pected to aid in the as­sess­ment of pa­tient’s re­sponse to cancer ther­apy. Cur­rently, the team is work­ing to­wards re­fin­ing the tech­nique for hu­mans, in­clud­ing ob­tain­ing ap­proval for the nanopar­ti­cles. They aim to de­velop the tech­nol­ogy as a tool to im­prove de­tec­tion, di­ag­no­sis, treat­ment and as­sess­ment of cancer ther­apy.

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