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Articles by Musa O. Salawu
Total Records ( 1 ) for Musa O. Salawu
  Musa O. Salawu , Oyelola B. Oloyede , Adenike T. Oladiji , Nasiru O. Muhammad and Musa T. Yakubu
  Context: Archachatina marginata Swainson (Achatinidae) is found in Nigeria, West Africa. Its hemolymph is applied as a disinfectant to blades and fresh cuts of circumcision in Yorubaland. The hemolymph is also used in traditional medicine practice. Investigation into its anti-endotoxin response is being studied for the first time. Objective: This study determined whether endotoxin causes measurable and concentration-dependent protein coagulation in the separate hemolymph fractions and in hemocyte lysate (HL)/plasma mixtures. Materials and methods: Endotoxin was prepared by inoculating 5% w/v dextrose with locally isolated Escherichia coli cells and incubated for 48 h before sterilization. Pyrogenicity was determined by rabbit test method and use the of LAL kit. Hemolymph fractions were exposed to endotoxin while controls were exposed to endotoxin-free water (0.025 EU/ml). HL/plasma (1:1 v/v) was exposed to varied endotoxin concentrations. Results: Data indicated significantly higher protein coagulates induced by endotoxin in all the hemolymph fractions (P < 0.05). Maximum protein coagulation in mixture of HL/plasma 1:1 was recorded. Exposure of HL/plasma at optimal ratio to varied endotoxin caused linear protein coagulation up to 1.0 EU/ml, beyond which it dropped significantly and unresponsive to further increase in endotoxin doses. Discussion and conclusion: There was endotoxin-induced protein coagulation, which is endotoxin concentration-dependent. The optimal coagulation observed for 1:1 HL/plasma mixture suggests stronger interaction between the hemocytes and the plasma in response to endotoxin. There are LPS-binding proteins in the plasma and hemocytes of A. marginata. This finding may be employed in detection and quantification of endotoxin in future.
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