Purification of native Sigma Class Glutathione Transferase from Fasciola hepatica

Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

7 Dyfyniadau (Scopus)
298 Wedi eu Llwytho i Lawr (Pure)


Fascioliasis is a parasitic disease of grazing livestock and a threat to global food security by significantly reducing the production value of sheep, goats and cattle. Moreover, the zoonotic parasite is also a re-emerging food borne threat to human populations. Driven by climate change, the prevalence of fascioliasis is set to increase. Efforts to control the main causative agent, Fasciola hepatica, are hampered by short lived chemotherapy approaches that are becoming increasingly obsolete due to therapeutic failure and resistance. A protective vaccine is urgently needed. A recombinant form of Sigma class glutathione transferase (Hematopoietic Prostaglandin D synthase) from F. hepatica (FhGSTS1) with confirmed prostaglandin synthase activity shows immune-modulation activity via suppression of Th17 responses in host dendritic cells. In vaccine trials recombinant FhGSTS1 reduces liver pathology but not worm burden. Native FhGSTS1 is yet to be tested for immune-modulation activities or for vaccine potential, primarily due to the technical difficulty in purifying FhGST-S1 away from the other more abundant GST members in F. hepatica cytosol. This paper reports a pipeline for the purification of native FhGSTS1 using a two-step process consisting of glutathione-agarose affinity and cationic exchange chromatography. The methodology allows for the isolation of purified and active FhGSTS1 or Sigma GSTs from other sources for analytical biochemical and immunological studies
Iaith wreiddiolSaesneg
Tudalennau (o-i)45-50
Nifer y tudalennau6
CyfnodolynMolecular and Biochemical Parasitology
Dyddiad ar-lein cynnar27 Ebr 2018
Dynodwyr Gwrthrych Digidol (DOIs)
StatwsCyhoeddwyd - 01 Meh 2018

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