Test Dic­tates Treat­ment

Science Illustrated - - CANCER -

Sci­en­tists colour sam­ples of a pa­tient’s tu­mour by means of an­ti­bod­ies or DNA se­quences. The coloured an­ti­bod­ies only stick, if spe­cific pro­teins are present on the sur­face of the can­cer cells. The se­quenc­ing re­veals mu­ta­tions in the genes of the cells.

The anal­y­sis in­di­cates the char­ac­ter­is­tics of the tu­mour, help­ing doc­tors to pick the cor­rect treat­ment. The method is al­ready used, but sci­en­tists are con­stantly get­ting bet­ter at cat­e­go­riz­ing the tu­mours, and new med­i­ca­tion cus­tom­ized for in­di­vid­ual can­cer types is com­ing up.

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