Neutrophils response in dairy cows during early pregnancy
Ano de defesa: | 2021 |
---|---|
Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | , , , |
Tipo de documento: | Tese |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Universidade Federal de Santa Maria
Centro de Ciências Rurais |
Programa de Pós-Graduação: |
Programa de Pós-Graduação em Medicina Veterinária
|
Departamento: |
Medicina Veterinária
|
País: |
Brasil
|
Palavras-chave em Inglês: | |
Área do conhecimento CNPq: | |
Link de acesso: | http://repositorio.ufsm.br/handle/1/22080 |
Resumo: | Studies highlighted the role of the immune system during the establishment of pregnancy. Maternal immune response has to find a balance to avoid any damage to the conceptus and maintain its function in combating microbes. When pregnancy cannot achieve this balance, losses might occur. Intercommunication between mother and conceptus is fundamental during early pregnancy to dictate the outcome of pregnancy. During pregnancy, the embryo signals to the maternal system its presence mainly locally via interferon tau (IFNT), and any stress factor can disrupt the signaling. The maternal immune response can alter between anti- and pro-inflammatory type, but usually, in the first few days (e.g., day 7), anti-inflammatory responses are established. IFNT concentration begins to be detected in circulation around day 12 of pregnancy in low concentrations, suggesting that maternal immune modulation does not occur by the direct effect of IFNT during this time. However, it’s unclear how amplification of IFNT signal in circulation occurs. Based on that, the present study focuses on determining IFNT effects in polymorphonuclear (PMN) cells and if immune cells can amplify embryonic signals to other immune cells in vitro. And if the signaling in PMN can be disrupted by stressor factor, i.e., heat stress in vivo. The first study demonstrated that IFNT could generate anti-inflammatory responses and upregulation of ISGs expressions in PMNs, subsequently amplifying and transferring IFNT signals to a new cell population via a cell-to-cell communication mechanism possibly mediated by IFNA. The second study demonstrated that heat stress modulates PMN responses with greater anti- and pro-inflammatory cytokines expressions in different early pregnancy days. These findings might provide a better understanding of the modulation of innate immune responses during maternal recognition of pregnancy. |
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Biblioteca Digital de Teses e Dissertações do UFSM |
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2021-08-26T19:05:02Z2021-08-26T19:05:02Z2021-02-26http://repositorio.ufsm.br/handle/1/22080Studies highlighted the role of the immune system during the establishment of pregnancy. Maternal immune response has to find a balance to avoid any damage to the conceptus and maintain its function in combating microbes. When pregnancy cannot achieve this balance, losses might occur. Intercommunication between mother and conceptus is fundamental during early pregnancy to dictate the outcome of pregnancy. During pregnancy, the embryo signals to the maternal system its presence mainly locally via interferon tau (IFNT), and any stress factor can disrupt the signaling. The maternal immune response can alter between anti- and pro-inflammatory type, but usually, in the first few days (e.g., day 7), anti-inflammatory responses are established. IFNT concentration begins to be detected in circulation around day 12 of pregnancy in low concentrations, suggesting that maternal immune modulation does not occur by the direct effect of IFNT during this time. However, it’s unclear how amplification of IFNT signal in circulation occurs. Based on that, the present study focuses on determining IFNT effects in polymorphonuclear (PMN) cells and if immune cells can amplify embryonic signals to other immune cells in vitro. And if the signaling in PMN can be disrupted by stressor factor, i.e., heat stress in vivo. The first study demonstrated that IFNT could generate anti-inflammatory responses and upregulation of ISGs expressions in PMNs, subsequently amplifying and transferring IFNT signals to a new cell population via a cell-to-cell communication mechanism possibly mediated by IFNA. The second study demonstrated that heat stress modulates PMN responses with greater anti- and pro-inflammatory cytokines expressions in different early pregnancy days. These findings might provide a better understanding of the modulation of innate immune responses during maternal recognition of pregnancy.Não possui resumo em português.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESporUniversidade Federal de Santa MariaCentro de Ciências RuraisPrograma de Pós-Graduação em Medicina VeterináriaUFSMBrasilMedicina VeterináriaAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessNeutrophilsInterferon tauToleranceHyperthermiaInflammationCNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIANeutrophils response in dairy cows during early pregnancyinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisFiorenza, Mariani Fariashttp://lattes.cnpq.br/7258679373419746Miyamoto, AkioComim, Fabio VasconcellosSilveira, Juliano Coelho daEmanuelli, Mauren Picadahttp://lattes.cnpq.br/7327097083986003Fiorenza, Mariani Farias500500000007600600600600600d9fb624a-4967-4f89-957d-2414bebb83366c7eb953-b540-4926-b015-78b5383603d419506741-0084-4287-976a-4b063ea5ded21251088f-87d7-4b52-baa6-8e5739b3bf795734cc7d-e218-4e47-a9de-502b57dfb349940d7fed-7fbd-4019-9a0f-496848888577reponame:Biblioteca Digital de Teses e Dissertações do UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALTES_PPGMV_2021_FIORENZA_MARIANI.pdfTES_PPGMV_2021_FIORENZA_MARIANI.pdfTese de Doutoradoapplication/pdf1648219http://repositorio.ufsm.br/bitstream/1/22080/1/TES_PPGMV_2021_FIORENZA_MARIANI.pdf3576f8febac844cc1a7f9e273ee6c3c9MD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; 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dc.title.por.fl_str_mv |
Neutrophils response in dairy cows during early pregnancy |
title |
Neutrophils response in dairy cows during early pregnancy |
spellingShingle |
Neutrophils response in dairy cows during early pregnancy Fiorenza, Mariani Farias Neutrophils Interferon tau Tolerance Hyperthermia Inflammation CNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIA |
title_short |
Neutrophils response in dairy cows during early pregnancy |
title_full |
Neutrophils response in dairy cows during early pregnancy |
title_fullStr |
Neutrophils response in dairy cows during early pregnancy |
title_full_unstemmed |
Neutrophils response in dairy cows during early pregnancy |
title_sort |
Neutrophils response in dairy cows during early pregnancy |
author |
Fiorenza, Mariani Farias |
author_facet |
Fiorenza, Mariani Farias |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Fiorenza, Mariani Farias |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/7258679373419746 |
dc.contributor.referee1.fl_str_mv |
Miyamoto, Akio |
dc.contributor.referee2.fl_str_mv |
Comim, Fabio Vasconcellos |
dc.contributor.referee3.fl_str_mv |
Silveira, Juliano Coelho da |
dc.contributor.referee4.fl_str_mv |
Emanuelli, Mauren Picada |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/7327097083986003 |
dc.contributor.author.fl_str_mv |
Fiorenza, Mariani Farias |
contributor_str_mv |
Fiorenza, Mariani Farias Miyamoto, Akio Comim, Fabio Vasconcellos Silveira, Juliano Coelho da Emanuelli, Mauren Picada |
dc.subject.eng.fl_str_mv |
Neutrophils Interferon tau Tolerance Hyperthermia Inflammation |
topic |
Neutrophils Interferon tau Tolerance Hyperthermia Inflammation CNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIA |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIA |
description |
Studies highlighted the role of the immune system during the establishment of pregnancy. Maternal immune response has to find a balance to avoid any damage to the conceptus and maintain its function in combating microbes. When pregnancy cannot achieve this balance, losses might occur. Intercommunication between mother and conceptus is fundamental during early pregnancy to dictate the outcome of pregnancy. During pregnancy, the embryo signals to the maternal system its presence mainly locally via interferon tau (IFNT), and any stress factor can disrupt the signaling. The maternal immune response can alter between anti- and pro-inflammatory type, but usually, in the first few days (e.g., day 7), anti-inflammatory responses are established. IFNT concentration begins to be detected in circulation around day 12 of pregnancy in low concentrations, suggesting that maternal immune modulation does not occur by the direct effect of IFNT during this time. However, it’s unclear how amplification of IFNT signal in circulation occurs. Based on that, the present study focuses on determining IFNT effects in polymorphonuclear (PMN) cells and if immune cells can amplify embryonic signals to other immune cells in vitro. And if the signaling in PMN can be disrupted by stressor factor, i.e., heat stress in vivo. The first study demonstrated that IFNT could generate anti-inflammatory responses and upregulation of ISGs expressions in PMNs, subsequently amplifying and transferring IFNT signals to a new cell population via a cell-to-cell communication mechanism possibly mediated by IFNA. The second study demonstrated that heat stress modulates PMN responses with greater anti- and pro-inflammatory cytokines expressions in different early pregnancy days. These findings might provide a better understanding of the modulation of innate immune responses during maternal recognition of pregnancy. |
publishDate |
2021 |
dc.date.accessioned.fl_str_mv |
2021-08-26T19:05:02Z |
dc.date.available.fl_str_mv |
2021-08-26T19:05:02Z |
dc.date.issued.fl_str_mv |
2021-02-26 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
format |
doctoralThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/22080 |
url |
http://repositorio.ufsm.br/handle/1/22080 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.cnpq.fl_str_mv |
500500000007 |
dc.relation.confidence.fl_str_mv |
600 600 600 600 600 |
dc.relation.authority.fl_str_mv |
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dc.rights.driver.fl_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
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Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Rurais |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Medicina Veterinária |
dc.publisher.initials.fl_str_mv |
UFSM |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Medicina Veterinária |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Rurais |
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