Kalmar "alpha-fetoprotein" (AFP) suna ne da ke nufin furotin da hanta da jakar gwaiduwa na tayin mai tasowa ke samarwa. A cikin mutane, ana iya amfani da matakan alpha-fetoprotein a cikin jini a matsayin alama ga wasu yanayi, ciki har da cututtukan hanta, wasu cututtukan daji, da ciki.
