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Titolo:
The effect of the seasonal cycle on the splenic leukocyte functions in theturtle Mauremys caspica
Autore:
Munoz, FJ; De la Fuente, M;
Indirizzi:
Univ Complutense Madrid, Fac Biol, Dept Anim Physiol, E-28040 Madrid, Spain Univ Complutense Madrid Madrid Spain E-28040 siol, E-28040 Madrid, Spain Pompeu Fabra Univ, Fac Hlth & Life Sci, Dept Expt & Hlth Sci, Cell Signaling Unit, E-08003 Barcelona, Spain Pompeu Fabra Univ Barcelona Spain E-08003 Unit, E-08003 Barcelona, Spain
Titolo Testata:
PHYSIOLOGICAL AND BIOCHEMICAL ZOOLOGY
fascicolo: 5, volume: 74, anno: 2001,
pagine: 660 - 667
SICI:
1522-2152(200109/10)74:5<660:TEOTSC>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
SNAKE PSAMMOPHIS-SIBILANS; IMMUNE-SYSTEM; SPALEROSOPHIS-DIADEMA; LYMPHOCYTE FUNCTIONS; CHALCIDES-OCELLATUS; PHYSICAL EXERCISE; CELLS; LIZARD; SPLEEN; CORTICOSTEROIDS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
51
Recensione:
Indirizzi per estratti:
Indirizzo: De la Fuente, M Univ Complutense Madrid, Fac Biol, Dept Anim Physiol, E-28040 Madrid, Spain Univ Complutense Madrid Madrid Spain E-28040 drid, Spain
Citazione:
F.J. Munoz e M. De la Fuente, "The effect of the seasonal cycle on the splenic leukocyte functions in theturtle Mauremys caspica", PHYSIOL B Z, 74(5), 2001, pp. 660-667

Abstract

The reptile immune system is strikingly affected by seasonal variations, which induce changes in the structure of the lymphoid organs and in the function of the leukocytes. The aim of this work is to study several functions of splenic leukocytes from the turtle Mauremys caspica along its seasonal cycle. The functions assayed were adherence to substrate, mobility directed to a chemoattractant gradient (chemotaxis), lymphoproliferative response tomitogens, antibody-dependent cellular cytotoxicity, and natural killer-like cell-mediated cytotoxicity. Splenic leukocytes showed a positive responsein all the assays, and this response was similar to that of mammals. In regard to the effect of the seasonal cycle, we have observed in winter a low adherence to substratum and high chemotaxis and cytotoxic activity, whereasin spring, only lymphoproliferation induced by mitogens showed high valuesexcept with lipopolysaccharide, which did not induce any seasonal variation in proliferation percentages. In summer, a high chemotaxis and cytotoxicity were observed, while in autumn, adherence to substratum was increased, but chemotaxis, cytotoxicity, and proliferation were clearly diminished. Ourresults demonstrate that splenic leukocyte functions are affected by the seasonal cycle, which induces a different pattern of response depending on the function studied.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 15/07/20 alle ore 19:47:23