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Resumen
There are few studies that classify and characterize the morphometric and immunohistochemical features of goitre in bovine thyroid glands (TGs). We investigated 39 bovine TGs (fetuses [9], stillbirths [18], neonates [12]) born to dams with low T4 hormone levels and no iodine supplementation and 10 (fetuses [3], stillbirths [3], neonates [4]) born to dams with normal T4 levels and supplemented with iodine. Body weight (BW), TG weight (TGW), TGW:BW ratio
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dc.contributor.author | Colque Caro, Luis Adrián | |
dc.contributor.author | Acuña, Francisco | |
dc.contributor.author | Aguirre Castro, Laura Sabrina | |
dc.contributor.author | Avellaneda Cáceres, Agustín | |
dc.contributor.author | Barbeito, Claudio G. | |
dc.contributor.author | Signorini Porchiett, Marcelo Lisandro | |
dc.contributor.author | Moore, Prando Dadin | |
dc.contributor.author | Micheloud, Juan Francisco | |
dc.date.accessioned | 2023-09-26T10:48:02Z | |
dc.date.available | 2023-09-26T10:48:02Z | |
dc.date.issued | 2023-08-18 | |
dc.identifier.issn | 0021-9975 | |
dc.identifier.issn | 1532-3129 (online) | |
dc.identifier.other | https://doi.org/10.1016/j.jcpa.2023.08.002 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/15310 | |
dc.identifier.uri | https://www.sciencedirect.com/science/article/pii/S0021997523002591 | |
dc.description.abstract | There are few studies that classify and characterize the morphometric and immunohistochemical features of goitre in bovine thyroid glands (TGs). We investigated 39 bovine TGs (fetuses [9], stillbirths [18], neonates [12]) born to dams with low T4 hormone levels and no iodine supplementation and 10 (fetuses [3], stillbirths [3], neonates [4]) born to dams with normal T4 levels and supplemented with iodine. Body weight (BW), TG weight (TGW), TGW:BW ratio and histological lesions were determined. The TGs were classified histopathologically as normal gland (G0), mild goitre (G1), moderate goitre (G2) or severe goitre (G3). Various morphological and morphometric parameters were calculated from microscopic images using image analysis software. Immunohistochemistry was performed to detect proliferating cell nuclear antigen (PCNA). There were significant differences in the TGW:BW ratio among groups (P <0.05): 0.3 ± 0.1 in G0, 0.5 ± 0.3 in G1, 0.8 ± 0.3 in G2 and 1.3 ± 0.7 in G3. In G0, large homogeneous follicles with eosinophilic colloid were seen. In the groups with lesions (G1, G2 and G3), heterogeneity in follicle shape and size, height and area of thyroid follicular cells, height of thyroid follicular epithelium and PCNA immunolabelling were directly related to histopathological grade, with significant differences among groups (P <0.001), gradually increasing from G1 to G3 compared with G0. The TGW:BW ratio and histological grade were positively correlated (P = 0.008). | eng |
dc.format | application/pdf | es_AR |
dc.language.iso | eng | es_AR |
dc.publisher | Elsevier | es_AR |
dc.rights | info:eu-repo/semantics/restrictedAccess | es_AR |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/4.0/ | es_AR |
dc.source | Journal of Comparative Pathology 206 : 1-8 (October 2023) | es_AR |
dc.subject | Hyperplasia | eng |
dc.subject | Hiperplasia | es_AR |
dc.subject | Hypertrophy | eng |
dc.subject | Hipertrofia | es_AR |
dc.subject | Thyroid Gland | eng |
dc.subject | Ganado Bovino | |
dc.subject | Cattle | eng |
dc.subject | Glándula Tiroide | |
dc.subject.other | Morphometry | es_AR |
dc.subject.other | Perinatal Deaths | eng |
dc.subject.other | Thyroid | eng |
dc.subject.other | Tiroides | |
dc.title | Characterization of lesions of nutritional congenital goitre in cattle | es_AR |
dc.type | info:ar-repo/semantics/artículo | es_AR |
dc.type | info:eu-repo/semantics/article | es_AR |
dc.type | info:eu-repo/semantics/publishedVersion | es_AR |
dc.rights.license | Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) | es_AR |
dc.description.origen | Instituto de Investigación Animal del Chaco Semiárido | es_AR |
dc.description.fil | Fil: Colque Caro, Luis Adrián. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Investigación Animal del Chaco Semiárido. Área de Sanidad Animal; Argentina | es_AR |
dc.description.fil | Fil: Colque Caro, Luis Adrián. Consejo Nacional de Investigaciones Científicas y Técnicas. CCT Salta - Jujuy; Argentina | es_AR |
dc.description.fil | Fil: Acuña, Francisco. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias. Laboratorio de Histología y Embriología Descriptiva, Experimental y Comparada; Argentina | es_AR |
dc.description.fil | Fil: Acuña, Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. CCT La Plata; Argentina | es_AR |
dc.description.fil | Fil: Aguirre Castro, Laura Sabrina. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Investigación Animal del Chaco Semiárido. Área de Sanidad Animal; Argentina | es_AR |
dc.description.fil | Fil: Aguirre Castro, Laura Sabrina. Consejo Nacional de Investigaciones Científicas y Técnicas. CCT Salta - Jujuy; Argentina | es_AR |
dc.description.fil | Fil: Avellaneda Cáceres, Agustín. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Investigación Animal del Chaco Semiárido. Área de Sanidad Animal; Argentina | es_AR |
dc.description.fil | Fil: Avellaneda Cáceres, Agustín. Consejo Nacional de Investigaciones Científicas y Técnicas. CCT Salta - Jujuy; Argentina | es_AR |
dc.description.fil | Fil: Barbeito, Claudio G.Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias. Experimental y Comparada. Laboratorio de Histología y Embriología Descriptiva; Argentina | es_AR |
dc.description.fil | Fil: Barbeito, Claudio G. Consejo Nacional de Investigaciones Científicas y Técnicas. CCT La Plata; Argentina | es_AR |
dc.description.fil | Fil: Signorini Porchiett, Marcelo Lisandro. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina | es_AR |
dc.description.fil | Fil: Signorini Porchiett, Marcelo Lisandro.Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigación de la Cadena Láctea; Argentina | es_AR |
dc.description.fil | Fil: Moore, Prando Dadin. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina | es_AR |
dc.description.fil | Fil: Moore, Prando Dadin. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina | es_AR |
dc.description.fil | Fil: Micheloud, Juan Francisco. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Investigación Animal del Chaco Semiárido. Área de Sanidad Animal; Argentina | es_AR |
dc.description.fil | Fil: Micheloud, Juan Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. CCT Salta - Jujuy; Argentina | es_AR |
dc.description.fil | Fil: Micheloud, Juan Francisco. Universidad Católica de Salta. Facultad de Ciencias Agrarias y Veterinarias; Argentina | es_AR |
dc.subtype | cientifico |
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