Hematological modulatory effects of Weissella and Pediococcus sp. on formalin-induced inflammation in wistar rats
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Abstract
Abstract. Oladejo BO, Oluwasola HM. 2022. Hematological modulatory effects of Weissella and Pediococcus sp. on formalin-induced inflammation in wistar rats. Asian J Trop Biotechnol 19: 28-34. The activity of three LAB strains, Weissella cibaria II-1-59, Weissella confusa JMC 1093, and Pediococcus pentosaceus DSM20336, isolated from a Nigerian locally fermented food condiment; ‘iru’ on blood parameters of acutely inflamed rats using formalin (1%) was investigated in this study. The rats were distributed into six groups (A-F). Rats in Groups A were neither administered formalin nor treated with LAB, while Group B received formalin injection only. Groups C-E were treated with the strains of LABs (2 × 107 CFU/mL), while Group F received diclofenac sodium treatment (150 mg/kg body weight) following formalin administration. In addition, Erythrocyte sedimentation rate (ESR), total and differential white blood cell (WBC) count, and total red blood cell (RBC) count were analyzed using standard methods. LAB Treatments significantly reduced the ESR of the blood of LAB-treated rats (1.00±0.00 mm/hr at 1 hour) at P<0.05 and regulated leucocyte infiltration in the blood circulation (W. cibaria treated group with a neutrophil count of 13.67±1.20% at 336 hrs) compared to diclofenac sodium. These findings revealed that the LAB were good immune modulators and would be effective agents for the treatment of inflammation-induced anemia.