IL-6 is a pleiotropic pro-inflammatory cytokine thought to play a role in age physiology, even if its possible modulation by aging mechanisms has not been fully defined. In this paper, the morpho-functional modifications and IL-6 immunoreactivity during, aging in a simple invertebrate model, Ophryotrocha labronica, are reported. The comparison between newly-hatched, juveniles, young adult and 3-month-old females showed significant differences in the nervous and genital systems. There is evidence of nerve cell loss and a decline in oocyte growth and maturation at the gonad level. Immunohistochemistry reveals a different distribution of IL-6-like molecules, and a decreased number of reactive nerve cells in the central nervous system of aged O. labronica associated to the induced morphological modifications. (c) 2006 Elsevier Ltd. All rights reserved.
IL-6 immunoreactivity changes during aging in the polychaete Ophryotrocha labronica (Polychaeta: Dorvilleidae) / Franchini, Antonella; Ottaviani, Enzo. - In: TISSUE & CELL. - ISSN 0040-8166. - STAMPA. - 39:1(2007), pp. 27-34. [10.1016/j.tice.2006.11.001]
IL-6 immunoreactivity changes during aging in the polychaete Ophryotrocha labronica (Polychaeta: Dorvilleidae)
FRANCHINI, Antonella;OTTAVIANI, Enzo
2007
Abstract
IL-6 is a pleiotropic pro-inflammatory cytokine thought to play a role in age physiology, even if its possible modulation by aging mechanisms has not been fully defined. In this paper, the morpho-functional modifications and IL-6 immunoreactivity during, aging in a simple invertebrate model, Ophryotrocha labronica, are reported. The comparison between newly-hatched, juveniles, young adult and 3-month-old females showed significant differences in the nervous and genital systems. There is evidence of nerve cell loss and a decline in oocyte growth and maturation at the gonad level. Immunohistochemistry reveals a different distribution of IL-6-like molecules, and a decreased number of reactive nerve cells in the central nervous system of aged O. labronica associated to the induced morphological modifications. (c) 2006 Elsevier Ltd. All rights reserved.
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