17alfa-Ethynylestradiol alters the peritoneal immune response of gilthead seabream.
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Autor/esGómez-González, N.E.; Cabas, I.; Ródenas, M.C.; Arizcun-Arizcun, M. (Marta); Mulero, V.; García-Ayala, A.
Palabras clave17 alfa-Ethynylestradiol
17a-Ethynylestradiol (EE2), a synthetic estrogen used in most oral contraceptives pills and hormone replacement therapies, is found in many water bodies, where it can modulate the fish immune response. EE2 acts as an endocrine disruptor in gilthead seabream, Sparus aurata L., a marine teleost fish of great economic value in Mediterranean aquaculture, as it induces hepatic vitellogenin gene (vtg) expression. Moreover, EE2 also alters the capacity of gilthead seabream to appropriately respond to infection although it does not behave as an immunosuppressor. Nevertheless, these previous studies have mainly focused on the head kidney leukocytes and no information exists on peritoneal leukocytes, including mast cells. In the present work, juvenile gilthead seabream fish were fed a pellet diet supplemented with EE2 for 76 days and intraperitoneally injected with hemocyanin plus imject alum adjuvant at the end of EE2 treatment and 92 days later, and the peritoneal immune response was ...
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