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Abstract:

Galectin-1 (Gal-1), a proto-type member of galectin family, is highly expressed in immune privileged sites, including the testis. However, in spite of considerable progress the relevance of endogenous and exogenous Gal-1 in testis pathophysiology have not yet been explored. Here we evaluated the in vivo roles of Gal-1 in experimental autoimmune orchitis (EAO), a well-established model of autoimmune testicular inflammation associated with subfertility and infertility. A significant reduction in the incidence and severity of EAO was observed in mice genetically deficient in Gal-1 (Lgals1 â /â) versus wild-type (WT) mice. Testicular histopathology revealed the presence of multifocal testicular damage in WT mice characterized by an interstitial mononuclear cell infiltrate and different degrees of germ cell sloughing of seminiferous tubules. TUNEL assay and assessment of active caspase-3 expression, revealed the prevalence of apoptotic spermatocytes mainly localized in the adluminal compartment of seminiferous tubules in EAO mice. A significant increased number of TUNEL-positive germ cells was detected in EAO testis from WT compared with Lgals1 â â mice. In contrast, exogenous administration of recombinant Gal-1 to WT mice undergoing EAO attenuated the severity of the disease. Our results unveil a dual role of endogenous versus exogenous Gal-1 in the control of autoimmune testis inflammation.

Registro:

Documento: Artículo
Título:Dual roles of endogenous and exogenous galectin-1 in the control of testicular immunopathology
Autor:Pérez, C.V.; Gómez, L.G.; Gualdoni, G.S.; Lustig, L.; Rabinovich, G.A.; Guazzone, V.A.
Filiación:Instituto de Investigaciones Biomédicas (INBIOMED), Universidad de Buenos Aires (UBA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Medicina, Ciudad Autónoma de Buenos Aires, Argentina
Laboratorio de Inmunopatología, Instituto de Biología y Medicina Experimental (IBYME), CONICET, Ciudad Autónoma de Buenos Aires, Argentina
Facultad de Ciencias Exactas y Naturales, UBA, Ciudad Autónoma de Buenos Aires, Argentina
Palabras clave:galectin 1; animal; apoptosis; autoimmune disease; genetics; immunology; knockout mouse; male; mouse; orchitis; pathology; seminiferous tubule; spermatocyte; Animals; Apoptosis; Autoimmune Diseases; Galectin 1; Male; Mice; Mice, Knockout; Orchitis; Seminiferous Tubules; Spermatocytes
Año:2015
Volumen:5
DOI: http://dx.doi.org/10.1038/srep12259
Título revista:Scientific Reports
Título revista abreviado:Sci. Rep.
ISSN:20452322
CAS:galectin 1, 258495-34-0; Galectin 1
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_20452322_v5_n_p_Perez

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Citas:

---------- APA ----------
Pérez, C.V., Gómez, L.G., Gualdoni, G.S., Lustig, L., Rabinovich, G.A. & Guazzone, V.A. (2015) . Dual roles of endogenous and exogenous galectin-1 in the control of testicular immunopathology. Scientific Reports, 5.
http://dx.doi.org/10.1038/srep12259
---------- CHICAGO ----------
Pérez, C.V., Gómez, L.G., Gualdoni, G.S., Lustig, L., Rabinovich, G.A., Guazzone, V.A. "Dual roles of endogenous and exogenous galectin-1 in the control of testicular immunopathology" . Scientific Reports 5 (2015).
http://dx.doi.org/10.1038/srep12259
---------- MLA ----------
Pérez, C.V., Gómez, L.G., Gualdoni, G.S., Lustig, L., Rabinovich, G.A., Guazzone, V.A. "Dual roles of endogenous and exogenous galectin-1 in the control of testicular immunopathology" . Scientific Reports, vol. 5, 2015.
http://dx.doi.org/10.1038/srep12259
---------- VANCOUVER ----------
Pérez, C.V., Gómez, L.G., Gualdoni, G.S., Lustig, L., Rabinovich, G.A., Guazzone, V.A. Dual roles of endogenous and exogenous galectin-1 in the control of testicular immunopathology. Sci. Rep. 2015;5.
http://dx.doi.org/10.1038/srep12259