Potential quimioprotetor do DIM (3, 3' - Di-indolil-metano) e da Genisteína em linhagens de células tumorais prostáticas humanas LNCaP e PC-3 expostas ao Bisfenol A

Detalhes bibliográficos
Autor(a) principal: Pinho, Cristiane Figueiredo [UNESP]
Data de Publicação: 2015
Tipo de documento: Dissertação
Idioma: por
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://hdl.handle.net/11449/126436
http://www.athena.biblioteca.unesp.br/exlibris/bd/cathedra/27-07-2015/000841338.pdf
Resumo: The prostate cancer initiation and progression present hormonal basis and this is mainly related to changes involving estrogens and androgens inherent aging process, where there is an increment of estrogens levels relative to androgens. Nowadays, Bisphenol A (BPA) is the most studied xenoestrogen and its estrogenic activity has attracted attention for its wide dispersion in the environment. Thus, this compound could contribute to the increased incidence, aggressiveness and metastatic ability of prostate tumors. Moreover, the chemoprotection with dietary phytochemicals is associated with a reduction in the incidence and progression of different cancers, decrease inflammatory processes and oxidative stress caused by potentially harmful substances. Therefore, this study aimed to evaluate the effects of phytochemicals 3,3 '-Di-indolyl-methane (DIM) and Genistein (Gen) isolated and/or associated to prostatic tumor cells exposed to BPA. For this purpose, LNCaP and PC-3 cells were cultured and exposed, for 96 hours, to the treatments C (control), B (BPA10nM/L), BD (BPA 10nM/L + DIM 25μM/L), BG (BPA 10nM/L + Gen 25μM/L) e BDG (BPA 10nM/L + DIM 25μM/L + Gen 25μM/L); which doses were established by cell viability assay. Subsequently, the cells were subjected to protein extraction for Western Blotting in order to analyze proteins involved in survival, proliferation, cell death, hormonal modulation and oxidative stress processes. The results showed that BD, BG and BDG treatments, in LNCaP cells, were able to down-regulate AR expression. About the ERK1/2 proteins in PC-3 lineage, B caused an increase of expression, while BDG was responsible for a decrease. However, in LNCaP, reducing the expression of MAPK was due to BG treatment. For the JNK1/2 protein, B had ability to down-regulate its expression and, on the other hand, phytochemicals from 3 treatments (BD, BG and BDG), increasing its expression in LNCaP. For the same cell lineage, the ERα ...
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spelling Potential quimioprotetor do DIM (3, 3' - Di-indolil-metano) e da Genisteína em linhagens de células tumorais prostáticas humanas LNCaP e PC-3 expostas ao Bisfenol ACélulas cancerosasPróstata - CâncerGenisteinaEstrogêniosProstate - CâncerGenisteinThe prostate cancer initiation and progression present hormonal basis and this is mainly related to changes involving estrogens and androgens inherent aging process, where there is an increment of estrogens levels relative to androgens. Nowadays, Bisphenol A (BPA) is the most studied xenoestrogen and its estrogenic activity has attracted attention for its wide dispersion in the environment. Thus, this compound could contribute to the increased incidence, aggressiveness and metastatic ability of prostate tumors. Moreover, the chemoprotection with dietary phytochemicals is associated with a reduction in the incidence and progression of different cancers, decrease inflammatory processes and oxidative stress caused by potentially harmful substances. Therefore, this study aimed to evaluate the effects of phytochemicals 3,3 '-Di-indolyl-methane (DIM) and Genistein (Gen) isolated and/or associated to prostatic tumor cells exposed to BPA. For this purpose, LNCaP and PC-3 cells were cultured and exposed, for 96 hours, to the treatments C (control), B (BPA10nM/L), BD (BPA 10nM/L + DIM 25μM/L), BG (BPA 10nM/L + Gen 25μM/L) e BDG (BPA 10nM/L + DIM 25μM/L + Gen 25μM/L); which doses were established by cell viability assay. Subsequently, the cells were subjected to protein extraction for Western Blotting in order to analyze proteins involved in survival, proliferation, cell death, hormonal modulation and oxidative stress processes. The results showed that BD, BG and BDG treatments, in LNCaP cells, were able to down-regulate AR expression. About the ERK1/2 proteins in PC-3 lineage, B caused an increase of expression, while BDG was responsible for a decrease. However, in LNCaP, reducing the expression of MAPK was due to BG treatment. For the JNK1/2 protein, B had ability to down-regulate its expression and, on the other hand, phytochemicals from 3 treatments (BD, BG and BDG), increasing its expression in LNCaP. For the same cell lineage, the ERα ...A Iniciação e Progressão das neoplasias prostáticas apresentam base hormonal, onde se destacam as alterações envolvendo estrógenos e andrógenos inerentes ao processo de envelhecimento, com incremento dos níveis estrogênicos em relação aos androgênicos. O Bisfenol A (BPA) é o xenoestrógeno mais estudado na atualidade e sua atividade estrogênica tem despertado interesse devido à ampla dispersão do composto no meio ambiente. Assim sendo, o BPA poderia contribuir para o aumento da incidência, agressividade e capacidade metastática dos tumores prostáticos. Por outro lado, a quimioproteção com os fitoquímicos dietéticos está associada à redução na incidência e na progressão de diferentes neoplasias, diminuição de processos inflamatórios e estresse oxidativo ocasionados por substâncias potencialmente nocivas. Desta forma, este estudo objetivou avaliar os efeitos dos fitoquímicos 3,3'-Di-indolil-metano (DIM) e Genisteína (Gen) isolados e/ou associados em células tumorais prostáticas humanas expostas ao BPA. Para tanto, as linhagens LNCaP e PC-3 foram cultivadas e submetidas, por 96h, aos tratamentos C (controle), B (BPA 10nM/L), BD (BPA 10nM/L + DIM 25μM/L), BG (BPA 10nM/L + Gen 25μM/L) e BDG (BPA 10nM/L + DIM 25μM/L + Gen 25μM/L); cujas doses foram estabelecidas pelo ensaio de viabilidade celular. Posteriormente, foi realizado Western Blotting para estudo das proteínas envolvidas com processos de sobrevivência, proliferação, morte celular, modulação hormonal e estresse oxidativo. A análise dos resultados mostrou que os tratamentos BD, BG e BDG, na linhagem LNCaP, apresentaram capacidade de sub-regular a expressão de AR. Acerca das proteínas ERK1/2 em PC-3, B provocou um aumento de expressão, enquanto BDG ocasionou uma diminuição. Já na linhagem LNCaP, a redução da expressão desta MAPK ficou por conta do tratamento BG. Para as proteínas JNK1/2, verificou-se a capacidade de B sub-regular a...Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)FAPESP: 2013/05038-6Universidade Estadual Paulista (Unesp)Scarano, Wellerson Rodrigo [UNESP]Dellela, Flávia Karina [UNESP]Universidade Estadual Paulista (Unesp)Pinho, Cristiane Figueiredo [UNESP]2015-08-20T17:09:46Z2015-08-20T17:09:46Z2015-02-24info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis46 f.application/pdfPINHO, Cristiane Figueiredo. Potential quimioprotetor do DIM (3, 3' - Di-indolil-metano) e da Genisteína em linhagens de células tumorais prostáticas humanas LNCaP e PC-3 expostas ao Bisfenol A. 2015. 46 f. Dissertação (mestrado) - Universidade Estadual Paulista Júlio de Mesquita Filho, Instituto de Biociências de Botucatu, 2015.http://hdl.handle.net/11449/126436000841338http://www.athena.biblioteca.unesp.br/exlibris/bd/cathedra/27-07-2015/000841338.pdf33004064080P33713732996827351Alephreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPporinfo:eu-repo/semantics/openAccess2024-01-05T06:22:30Zoai:repositorio.unesp.br:11449/126436Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T22:09:56.222433Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Potential quimioprotetor do DIM (3, 3' - Di-indolil-metano) e da Genisteína em linhagens de células tumorais prostáticas humanas LNCaP e PC-3 expostas ao Bisfenol A
title Potential quimioprotetor do DIM (3, 3' - Di-indolil-metano) e da Genisteína em linhagens de células tumorais prostáticas humanas LNCaP e PC-3 expostas ao Bisfenol A
spellingShingle Potential quimioprotetor do DIM (3, 3' - Di-indolil-metano) e da Genisteína em linhagens de células tumorais prostáticas humanas LNCaP e PC-3 expostas ao Bisfenol A
Pinho, Cristiane Figueiredo [UNESP]
Células cancerosas
Próstata - Câncer
Genisteina
Estrogênios
Prostate - Câncer
Genistein
title_short Potential quimioprotetor do DIM (3, 3' - Di-indolil-metano) e da Genisteína em linhagens de células tumorais prostáticas humanas LNCaP e PC-3 expostas ao Bisfenol A
title_full Potential quimioprotetor do DIM (3, 3' - Di-indolil-metano) e da Genisteína em linhagens de células tumorais prostáticas humanas LNCaP e PC-3 expostas ao Bisfenol A
title_fullStr Potential quimioprotetor do DIM (3, 3' - Di-indolil-metano) e da Genisteína em linhagens de células tumorais prostáticas humanas LNCaP e PC-3 expostas ao Bisfenol A
title_full_unstemmed Potential quimioprotetor do DIM (3, 3' - Di-indolil-metano) e da Genisteína em linhagens de células tumorais prostáticas humanas LNCaP e PC-3 expostas ao Bisfenol A
title_sort Potential quimioprotetor do DIM (3, 3' - Di-indolil-metano) e da Genisteína em linhagens de células tumorais prostáticas humanas LNCaP e PC-3 expostas ao Bisfenol A
author Pinho, Cristiane Figueiredo [UNESP]
author_facet Pinho, Cristiane Figueiredo [UNESP]
author_role author
dc.contributor.none.fl_str_mv Scarano, Wellerson Rodrigo [UNESP]
Dellela, Flávia Karina [UNESP]
Universidade Estadual Paulista (Unesp)
dc.contributor.author.fl_str_mv Pinho, Cristiane Figueiredo [UNESP]
dc.subject.por.fl_str_mv Células cancerosas
Próstata - Câncer
Genisteina
Estrogênios
Prostate - Câncer
Genistein
topic Células cancerosas
Próstata - Câncer
Genisteina
Estrogênios
Prostate - Câncer
Genistein
description The prostate cancer initiation and progression present hormonal basis and this is mainly related to changes involving estrogens and androgens inherent aging process, where there is an increment of estrogens levels relative to androgens. Nowadays, Bisphenol A (BPA) is the most studied xenoestrogen and its estrogenic activity has attracted attention for its wide dispersion in the environment. Thus, this compound could contribute to the increased incidence, aggressiveness and metastatic ability of prostate tumors. Moreover, the chemoprotection with dietary phytochemicals is associated with a reduction in the incidence and progression of different cancers, decrease inflammatory processes and oxidative stress caused by potentially harmful substances. Therefore, this study aimed to evaluate the effects of phytochemicals 3,3 '-Di-indolyl-methane (DIM) and Genistein (Gen) isolated and/or associated to prostatic tumor cells exposed to BPA. For this purpose, LNCaP and PC-3 cells were cultured and exposed, for 96 hours, to the treatments C (control), B (BPA10nM/L), BD (BPA 10nM/L + DIM 25μM/L), BG (BPA 10nM/L + Gen 25μM/L) e BDG (BPA 10nM/L + DIM 25μM/L + Gen 25μM/L); which doses were established by cell viability assay. Subsequently, the cells were subjected to protein extraction for Western Blotting in order to analyze proteins involved in survival, proliferation, cell death, hormonal modulation and oxidative stress processes. The results showed that BD, BG and BDG treatments, in LNCaP cells, were able to down-regulate AR expression. About the ERK1/2 proteins in PC-3 lineage, B caused an increase of expression, while BDG was responsible for a decrease. However, in LNCaP, reducing the expression of MAPK was due to BG treatment. For the JNK1/2 protein, B had ability to down-regulate its expression and, on the other hand, phytochemicals from 3 treatments (BD, BG and BDG), increasing its expression in LNCaP. For the same cell lineage, the ERα ...
publishDate 2015
dc.date.none.fl_str_mv 2015-08-20T17:09:46Z
2015-08-20T17:09:46Z
2015-02-24
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/masterThesis
format masterThesis
status_str publishedVersion
dc.identifier.uri.fl_str_mv PINHO, Cristiane Figueiredo. Potential quimioprotetor do DIM (3, 3' - Di-indolil-metano) e da Genisteína em linhagens de células tumorais prostáticas humanas LNCaP e PC-3 expostas ao Bisfenol A. 2015. 46 f. Dissertação (mestrado) - Universidade Estadual Paulista Júlio de Mesquita Filho, Instituto de Biociências de Botucatu, 2015.
http://hdl.handle.net/11449/126436
000841338
http://www.athena.biblioteca.unesp.br/exlibris/bd/cathedra/27-07-2015/000841338.pdf
33004064080P3
3713732996827351
identifier_str_mv PINHO, Cristiane Figueiredo. Potential quimioprotetor do DIM (3, 3' - Di-indolil-metano) e da Genisteína em linhagens de células tumorais prostáticas humanas LNCaP e PC-3 expostas ao Bisfenol A. 2015. 46 f. Dissertação (mestrado) - Universidade Estadual Paulista Júlio de Mesquita Filho, Instituto de Biociências de Botucatu, 2015.
000841338
33004064080P3
3713732996827351
url http://hdl.handle.net/11449/126436
http://www.athena.biblioteca.unesp.br/exlibris/bd/cathedra/27-07-2015/000841338.pdf
dc.language.iso.fl_str_mv por
language por
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 46 f.
application/pdf
dc.publisher.none.fl_str_mv Universidade Estadual Paulista (Unesp)
publisher.none.fl_str_mv Universidade Estadual Paulista (Unesp)
dc.source.none.fl_str_mv Aleph
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
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