Modulation of the pharmacological effects of enzymatically-active PLA2 by BTL-2, an isolectin isolated from the Bryothamnion triquetrum red alga
2008

Effects of BTL-2 on Rattlesnake Venom PLA2

publication Evidence: moderate

Author Information

Author(s): Oliveira Simone CB, Fonseca Fabiana V, Antunes Edson, Camargo Enilton A, Morganti Rafael P, Aparício Ricardo, Toyama Daniela O, Beriam Luís OS, Nunes Eudismar V, Cavada Benildo S, Nagano Celso S, Sampaio Alexandre H, Nascimento Kyria S, Toyama Marcos H

Primary Institution: Biochemistry Department, Biology Institute, UNICAMP, Campinas, São Paulo, Brazil

Hypothesis

The study investigates how BTL-2, an isolectin from the red alga Bryothamnion triquetrum, modulates the pharmacological effects of PLA2 from rattlesnake venom.

Conclusion

The interaction between BTL-2 and PLA2 suggests that the pharmacological activity of PLA2 is influenced by factors beyond its enzymatic activity.

Supporting Evidence

  • BTL-2 increased PLA2 activity by 23%.
  • BTL-2 inhibited the growth of Clavibacter michiganensis by 98%.
  • PLA2 induced strong platelet aggregation, which was significantly inhibited by BTL-2.

Takeaway

This study shows that a protein from seaweed can change how a snake venom protein works, making it less harmful.

Methodology

The study involved purifying BTL-2 from Bryothamnion triquetrum and assessing its effects on the enzymatic and pharmacological activities of PLA2 from rattlesnake venom through various assays.

Participant Demographics

Healthy volunteers provided blood samples for platelet aggregation studies.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2091-9-16

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