Cal is heterodimer, iyo inoumbwa neMRP 8 uye MRP 14. Inowanikwa mune neutrophils cytoplasm uye inoratidzwa pa mononuclear cell membranes. Cal is acute phase mapuroteni, ine yakanyatsogadzikana chikamu chingangoita vhiki imwe mutsvina yevanhu, yakatemwa kuve chiratidzo chekuzvimba bowel chirwere. Iyo kiti ndeye yakapfava, inoonekwa semiqualitative bvunzo inoona cal mutsvina yemunhu, ine yakakwirira yekuona senitivity uye yakasimba chaiyo. Muedzo wakavakirwa pane yakakwira yakapetwa kaviri masoja ekudzivirira chirwere sandwich reaction musimboti uye goridhe immunochromatographic assay yekuongorora matekiniki, inogona kupa mhedzisiro mukati memaminitsi gumi nemashanu.