THE PRESENT INVENTION PROVIDES AND ANTIBODY WHICH RECOGNIZES AN EPITOPE RECOGNIZED BY AN ANTIBODY PRODUCED BY A HYBRIDOMA SH348-1 (FERM BP-10836) OR A HYBRIDOMA SH357-1 (FERM BP-10837), AN ANTIBODY PRODUCED BY THE HYBRIDOMA SH348-1 OR THE HYBRIDOMA SH357-1, AN ANTIBODY OBTAINED BY HUMANIZING THE ANTIBODY PRODUCED BY THE HYBRIDOMA SH348-1 OR THE HYBRIDOMA SH357-1, A PHARMACEUTICAL AGENT COMPRISING THE ANTIBODY AS AN ACTIVE INGREDIENT, ETC. FIG. 1