特異性:This antiserum is directed against human osteopontin. The antibody recognizes the full-length osteopontin protein (which runs at 66 kD on westerns), as well as the C-terminal fragments of both thrombin and MMP-cleaved OPN. The 32 kD MMP-cleaved C-fragment is recognized, but not the 40 kD N-terminal fragment. Cross reactivity occurs with osteopontin from swine and dog. Reactivity with osteopontin from other sources has not been determined.