Whole-transcriptome analysis of BLV-infected cows reveals downregulation of immune response genes in high proviral loads cows

Bovine leukemia virus (BLV) is a retrovirus that infects cattle, causing bovine enzootic leukosis, a chronic disease characterized by the proliferation of infected B cells. BLV proviral load (PVL) is a key determinant of disease progression and transmission risk. Cattle can exhibit distinct phenotyp...

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Main Authors: Petersen, Marcos Iván, Suarez Archilla, Guillermo, Miretti, Marcos Mateo, Trono, Karina Gabriela, Carignano, Hugo Adrian
Format: info:ar-repo/semantics/artículo
Language:Inglés
Published: Frontiers Media 2025
Subjects:
Online Access:http://hdl.handle.net/20.500.12123/23157
https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2025.1550646/full
https://doi.org/10.3389/fvets.2025.1550646
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author Petersen, Marcos Iván
Suarez Archilla, Guillermo
Miretti, Marcos Mateo
Trono, Karina Gabriela
Carignano, Hugo Adrian
author_browse Carignano, Hugo Adrian
Miretti, Marcos Mateo
Petersen, Marcos Iván
Suarez Archilla, Guillermo
Trono, Karina Gabriela
author_facet Petersen, Marcos Iván
Suarez Archilla, Guillermo
Miretti, Marcos Mateo
Trono, Karina Gabriela
Carignano, Hugo Adrian
author_sort Petersen, Marcos Iván
collection INTA Digital
description Bovine leukemia virus (BLV) is a retrovirus that infects cattle, causing bovine enzootic leukosis, a chronic disease characterized by the proliferation of infected B cells. BLV proviral load (PVL) is a key determinant of disease progression and transmission risk. Cattle can exhibit distinct phenotypes of low PVL (LPVL) or high PVL (HPVL), which remain stable throughout their lifetime. Differential expression analysis revealed 1,908 differentially expressed genes (DEGs) between HPVL and LPVL animals, including 774 downregulated (DReg) and 1,134 upregulated (UReg) genes. Functional enrichment analysis revealed that DReg genes were associated primarily with immune response pathways. Conversely, the UReg genes were enriched in processes related to cell cycle regulation, mitotic division, and DNA biosynthesis. Protein–protein interaction analysis revealed six highly interconnected clusters. Interestingly, a cluster was enriched for sphingolipid metabolism, a process critical to enveloped virus infection and immune receptor signaling. These findings provide valuable insights into the molecular mechanisms of BLV infection, suggesting potential markers for disease monitoring and targets for therapeutic intervention.
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institution Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina)
language Inglés
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publishDateRange 2025
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spelling INTA231572025-07-24T13:46:39Z Whole-transcriptome analysis of BLV-infected cows reveals downregulation of immune response genes in high proviral loads cows Petersen, Marcos Iván Suarez Archilla, Guillermo Miretti, Marcos Mateo Trono, Karina Gabriela Carignano, Hugo Adrian Bovine Leukemia Virus Gene Expression RNA Sequence Transcriptome Cows Immune Response Proviruses Virus Leucemia Bovina Expresión Génica Secuencia de ARN Transcriptoma Vaca Respuesta Inmunológica Provirus Bovine leukemia virus (BLV) is a retrovirus that infects cattle, causing bovine enzootic leukosis, a chronic disease characterized by the proliferation of infected B cells. BLV proviral load (PVL) is a key determinant of disease progression and transmission risk. Cattle can exhibit distinct phenotypes of low PVL (LPVL) or high PVL (HPVL), which remain stable throughout their lifetime. Differential expression analysis revealed 1,908 differentially expressed genes (DEGs) between HPVL and LPVL animals, including 774 downregulated (DReg) and 1,134 upregulated (UReg) genes. Functional enrichment analysis revealed that DReg genes were associated primarily with immune response pathways. Conversely, the UReg genes were enriched in processes related to cell cycle regulation, mitotic division, and DNA biosynthesis. Protein–protein interaction analysis revealed six highly interconnected clusters. Interestingly, a cluster was enriched for sphingolipid metabolism, a process critical to enveloped virus infection and immune receptor signaling. These findings provide valuable insights into the molecular mechanisms of BLV infection, suggesting potential markers for disease monitoring and targets for therapeutic intervention. Instituto de Virología Fil: Petersen, Marcos Iván. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Virología e Innovaciones Tecnológicas; Argentina Fil: Petersen, Marcos Iván. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Suarez Archilla, Guillermo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina Fil: Miretti, Marcos Mateo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Miretti, Marcos Mateo. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Instituto de Biología Subtropical. Grupo de Investigación en Genética Aplicada; Argentina Fil: Trono, Karina Gabriela. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Virología e Innovaciones Tecnológicas; Argentina Fil: Trono, Karina Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Carignano, Hugo Adrian. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Virología e Innovaciones Tecnológicas; Argentina Fil: Carignano, Hugo Adrian. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina 2025-07-24T13:40:03Z 2025-07-24T13:40:03Z 2025-04 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/23157 https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2025.1550646/full 2297-1769 https://doi.org/10.3389/fvets.2025.1550646 eng info:eu-repograntAgreement/INTA/2023-PD-L01-I113, Herramientas de estudio de la Patogenia e Inmunidad en agentes infecciosos y tóxicos que aporten a la sustentabilidad de la producción pecuaria en el marco de Una Salud info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Frontiers Media Frontiers in Veterinary Science 12 : 1550646 (April 2025)
spellingShingle Bovine Leukemia Virus
Gene Expression
RNA Sequence
Transcriptome
Cows
Immune Response
Proviruses
Virus Leucemia Bovina
Expresión Génica
Secuencia de ARN
Transcriptoma
Vaca
Respuesta Inmunológica
Provirus
Petersen, Marcos Iván
Suarez Archilla, Guillermo
Miretti, Marcos Mateo
Trono, Karina Gabriela
Carignano, Hugo Adrian
Whole-transcriptome analysis of BLV-infected cows reveals downregulation of immune response genes in high proviral loads cows
title Whole-transcriptome analysis of BLV-infected cows reveals downregulation of immune response genes in high proviral loads cows
title_full Whole-transcriptome analysis of BLV-infected cows reveals downregulation of immune response genes in high proviral loads cows
title_fullStr Whole-transcriptome analysis of BLV-infected cows reveals downregulation of immune response genes in high proviral loads cows
title_full_unstemmed Whole-transcriptome analysis of BLV-infected cows reveals downregulation of immune response genes in high proviral loads cows
title_short Whole-transcriptome analysis of BLV-infected cows reveals downregulation of immune response genes in high proviral loads cows
title_sort whole transcriptome analysis of blv infected cows reveals downregulation of immune response genes in high proviral loads cows
topic Bovine Leukemia Virus
Gene Expression
RNA Sequence
Transcriptome
Cows
Immune Response
Proviruses
Virus Leucemia Bovina
Expresión Génica
Secuencia de ARN
Transcriptoma
Vaca
Respuesta Inmunológica
Provirus
url http://hdl.handle.net/20.500.12123/23157
https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2025.1550646/full
https://doi.org/10.3389/fvets.2025.1550646
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