Medicina Interna: Acesso Aberto
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The Sea Star Ig kappa Gene and New Concept

Michel Leclerc

Next to the sea star T and B lymphocytes, the preservation of the Ig kappa gene for so extended a period of evolution in organisms as distinctively different as sea star, fish, mammal, indicates that it plays an essential role in the survival of organisms role in the regulation of immune response, in Asterids. The presence of Fc receptor gene, Fab gene in Asterias rubens, MHC genes corroborate these data.