Photosensitization Induced by Heterophyllaea pustulata in Goats: Sequential Development of Skin Lesions

Five adult Saanen goats received a single oral dose of Heterophyllaea pustulata containing 42.25 μg/kg rubiadin (anthraquinone) and 3 adult goats were untreated controls. All goats were exposed to sunlight and sequential ear skin biopsies were collected before treatment and at 32 hours, 3 days, 8 da...

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Autores principales: Micheloud, Juan Francisco, Lujan, Lluís, Colque Caro, Luis Adrián, Núñez-Montoya, Susana C., Barbeito, Claudio Gustavo, Portiansky, Enrique L., Gimeno, Eduardo Juan
Formato: Artículo
Lenguaje:Inglés
Publicado: Sage Publishers 2021
Materias:
Acceso en línea:http://hdl.handle.net/20.500.12123/9847
https://journals.sagepub.com/doi/abs/10.1177/0300985821999322
https://doi.org/10.1177/0300985821999322
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author Micheloud, Juan Francisco
Lujan, Lluís
Colque Caro, Luis Adrián
Núñez-Montoya, Susana C.
Barbeito, Claudio Gustavo
Portiansky, Enrique L.
Gimeno, Eduardo Juan
author_browse Barbeito, Claudio Gustavo
Colque Caro, Luis Adrián
Gimeno, Eduardo Juan
Lujan, Lluís
Micheloud, Juan Francisco
Núñez-Montoya, Susana C.
Portiansky, Enrique L.
author_facet Micheloud, Juan Francisco
Lujan, Lluís
Colque Caro, Luis Adrián
Núñez-Montoya, Susana C.
Barbeito, Claudio Gustavo
Portiansky, Enrique L.
Gimeno, Eduardo Juan
author_sort Micheloud, Juan Francisco
collection INTA Digital
description Five adult Saanen goats received a single oral dose of Heterophyllaea pustulata containing 42.25 μg/kg rubiadin (anthraquinone) and 3 adult goats were untreated controls. All goats were exposed to sunlight and sequential ear skin biopsies were collected before treatment and at 32 hours, 3 days, 8 days, and 15 days after treatment. Changes at 32 hours after dosing included epidermal spongiosis, single cell death and acantholysis, an increased BAX/BCL-2 protein ratio, and dermal edema. Lesions at day 3 included epidermal and adnexal necrosis, crust formation, and acanthosis. Acanthosis, hyperkeratosis, and dermal fibrosis and neovascularization were present at day 15. The pro-apoptotic (BAX)/anti-apoptotic (BCL-2) protein ratio increased at 32 hours, whereas epidermal and dermal PCNA immunolabeling increased between days 8 and 15 after treatment. The cutaneous lesions were consistent with sunlight-induced damage, and the occurrence in treated but not control goats indicates photosensitization.
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institution Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina)
language Inglés
publishDate 2021
publishDateRange 2021
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publisher Sage Publishers
publisherStr Sage Publishers
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spelling INTA98472024-03-01T10:36:57Z Photosensitization Induced by Heterophyllaea pustulata in Goats: Sequential Development of Skin Lesions Micheloud, Juan Francisco Lujan, Lluís Colque Caro, Luis Adrián Núñez-Montoya, Susana C. Barbeito, Claudio Gustavo Portiansky, Enrique L. Gimeno, Eduardo Juan Photosensitivity Animal Diseases Goats Poisonous Plants Enfermedades de los Animales Caprinos Plantas Tóxicas Fotosensibilidad Heterophyllaea pustulata Five adult Saanen goats received a single oral dose of Heterophyllaea pustulata containing 42.25 μg/kg rubiadin (anthraquinone) and 3 adult goats were untreated controls. All goats were exposed to sunlight and sequential ear skin biopsies were collected before treatment and at 32 hours, 3 days, 8 days, and 15 days after treatment. Changes at 32 hours after dosing included epidermal spongiosis, single cell death and acantholysis, an increased BAX/BCL-2 protein ratio, and dermal edema. Lesions at day 3 included epidermal and adnexal necrosis, crust formation, and acanthosis. Acanthosis, hyperkeratosis, and dermal fibrosis and neovascularization were present at day 15. The pro-apoptotic (BAX)/anti-apoptotic (BCL-2) protein ratio increased at 32 hours, whereas epidermal and dermal PCNA immunolabeling increased between days 8 and 15 after treatment. The cutaneous lesions were consistent with sunlight-induced damage, and the occurrence in treated but not control goats indicates photosensitization. Estación Experimental Agropecuaria Salta Fil: Micheloud, Juan Francisco. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Salta; Argentina. Universidad Católica de Salta, Argentina. Fil: Luján, Lluís. Universidad de Zaragoza; España Fil: Colque-Caro, Luis A. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Salta; Argentina. Universidad Católica de Salta, Argentina. Fil: Múñez-Montoya, Susana C. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Córdoba; Argentina. Fil: Barbeito, Claudio G. Universidad Nacional de La Plata; Argentina. Fil: Portiansky, Enrique L. Universidad Nacional de La Plata; Argentina. Fil: Gimeno, Eduardo J. Universidad Nacional de La Plata;Argentina. 2021-07-20T12:13:59Z 2021-07-20T12:13:59Z 2021-4 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/9847 https://journals.sagepub.com/doi/abs/10.1177/0300985821999322 0300-9858 1544-2217 https://doi.org/10.1177/0300985821999322 eng info:eu-repo/semantics/restrictedAccess application/pdf Sage Publishers Veterinary Pathology 58 (3) : 568-573 (2021)
spellingShingle Photosensitivity
Animal Diseases
Goats
Poisonous Plants
Enfermedades de los Animales
Caprinos
Plantas Tóxicas
Fotosensibilidad
Heterophyllaea pustulata
Micheloud, Juan Francisco
Lujan, Lluís
Colque Caro, Luis Adrián
Núñez-Montoya, Susana C.
Barbeito, Claudio Gustavo
Portiansky, Enrique L.
Gimeno, Eduardo Juan
Photosensitization Induced by Heterophyllaea pustulata in Goats: Sequential Development of Skin Lesions
title Photosensitization Induced by Heterophyllaea pustulata in Goats: Sequential Development of Skin Lesions
title_full Photosensitization Induced by Heterophyllaea pustulata in Goats: Sequential Development of Skin Lesions
title_fullStr Photosensitization Induced by Heterophyllaea pustulata in Goats: Sequential Development of Skin Lesions
title_full_unstemmed Photosensitization Induced by Heterophyllaea pustulata in Goats: Sequential Development of Skin Lesions
title_short Photosensitization Induced by Heterophyllaea pustulata in Goats: Sequential Development of Skin Lesions
title_sort photosensitization induced by heterophyllaea pustulata in goats sequential development of skin lesions
topic Photosensitivity
Animal Diseases
Goats
Poisonous Plants
Enfermedades de los Animales
Caprinos
Plantas Tóxicas
Fotosensibilidad
Heterophyllaea pustulata
url http://hdl.handle.net/20.500.12123/9847
https://journals.sagepub.com/doi/abs/10.1177/0300985821999322
https://doi.org/10.1177/0300985821999322
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