Cal shine heterodimer, wanda ya ƙunshi MRP 8 da MRP 14. Yana wanzu a cikin cytoplasm neutrophils kuma an bayyana akan membranes cell mononuclear. Cal sunadaran sunadaran lokaci ne, yana da kwanciyar hankali kamar mako guda a cikin najasar ɗan adam, an ƙaddara ya zama alamar cutar hanji mai kumburi. Kit ɗin gwaji ne mai sauƙi, na gani na zahiri wanda ke gano cal a cikin najasar ɗan adam, yana da haɓakar ganowa da ƙaƙƙarfan ƙayyadaddun bayanai. Gwajin da aka danganta da ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙwayoyin rigakafin ƙwayoyin cuta guda biyu na sanwichi amsawa da fasahar bincike na gwajin immunochromatographic na gwal, yana iya ba da sakamako cikin mintuna 15.