Fluorescein isothiocyanate (FITC)- and phycoerythrin (PE)-conjugated specific antibodies against mouse CD11b (clone M1/70) or Ly-6G (clone 1A8) and purified rat anti-mouse CD16/CD32 (Fc Block) were purchased from BD Biosciences (San Jose, CA, USA). Recombinant human G-CSF, filgrastim, was from Mochida Pharmaceutical Co., Ltd. (Tokyo, Japan). All other chemicals were of the highest grade available from commercial sources. C. perfringens wild-type (WT) Strain 13 was used in this study. The preparation of a plc gene-knockout mutant of C. perfringens (PLC-KO) was as described in our previous report [16 (link)].
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