Avalia??o da ocorr?ncia de danos cromoss?micos, apoptose e necrose em c?lulas esfoliadas da mucosa oral de usu?rios de ester?ides anabolizantes androg?nicos
Ano de defesa: | 2013 |
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Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | |
Tipo de documento: | Dissertação |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Universidade Estadual de Feira de Santana
|
Programa de Pós-Graduação: |
Mestrado Acad?mico em Sa?de Coletiva
|
Departamento: |
DEPARTAMENTO DE SA?DE
|
País: |
Brasil
|
Palavras-chave em Português: | |
Palavras-chave em Inglês: | |
Área do conhecimento CNPq: | |
Link de acesso: | http://localhost:8080/tede/handle/tede/230 |
Resumo: | Exposure to genotoxic agents induces changes in the DNA molecule to commit that genes involved with the repair mechanisms and the control of cell proliferation and differentiation pathways or genes associated with apoptosis can lead to cancer development. Among the many chemicals that have been identified as mutagenic action, include the Androgenic Steroids (AAS), hormones widely used in the search for improved physical performance and increased muscle mass. Objective: In this context, the aim of the development of this study was to evaluate the potential of androgenic anabolic steroid nandrolone decanoate, testosterone propionate and testosterone cypionate to induce chromosome damage, apoptosis and necrosis, using the micronucleus test in exfoliated cells from the oral mucosa of users of AAS with a view to its application as a tool in cancer prevention. Method: The study sample consisted of 55 volunteers, male, divided into two (02) groups, matched for age: 25 subjects (G1) users of nandrolone decanoate, testosterone propionate and testosterone cypionate (alone or simultaneously ) and 30 subjects in the control group (G2). The collection methodology and cytological analysis followed the protocol of Tolbert et al. (1992) and Thomas et al. (2009), which includes, in addition to micronuclei, the computation of degenerative nuclear changes indicative of apoptosis (cariorr?xis, condensed chromatin and pyknosis) and necrosis (karyolysis, cariorr?xis, condensed chromatin and pyknosis). Statistical analysis of the endpoints analyzed (micronucleus, cariorr?xis, condensed chromatin, karyolysis, pyknosis and broken eggs) was performed using the conditional test to compare proportions in situations of rare events. Results: Statistical analysis revealed no significant difference in the occurrence of micronuclei, karyolysis and broken eggs between groups. The occurrence of apoptosis was significantly greater in cells from control individuals. Conclusion: The results show inhibition of apoptosis induced by EAA, suggesting that the described association between the use of these substances and the carcinogenic process can be permeated by this mechanism. |
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Cerqueira, Eneida de Moraes Marc?liohttp://lattes.cnpq.br/7316374672901284Souza, Jeanderson Pereira2015-10-08T12:18:43Z2013-03-25SOUZA, Jeanderson Pereira. Avalia??o da ocorr?ncia de danos cromoss?micos, apoptose e necrose em c?lulas esfoliadas da mucosa oral de usu?rios de ester?ides anabolizantes androg?nicos.2013. 54f. Disserta??o( Mestrado Acad?mico em Sa?de Coletiva)- Universidade Estadual de Feira de Santana, Feira de Santana, 2013.http://localhost:8080/tede/handle/tede/230Exposure to genotoxic agents induces changes in the DNA molecule to commit that genes involved with the repair mechanisms and the control of cell proliferation and differentiation pathways or genes associated with apoptosis can lead to cancer development. Among the many chemicals that have been identified as mutagenic action, include the Androgenic Steroids (AAS), hormones widely used in the search for improved physical performance and increased muscle mass. Objective: In this context, the aim of the development of this study was to evaluate the potential of androgenic anabolic steroid nandrolone decanoate, testosterone propionate and testosterone cypionate to induce chromosome damage, apoptosis and necrosis, using the micronucleus test in exfoliated cells from the oral mucosa of users of AAS with a view to its application as a tool in cancer prevention. Method: The study sample consisted of 55 volunteers, male, divided into two (02) groups, matched for age: 25 subjects (G1) users of nandrolone decanoate, testosterone propionate and testosterone cypionate (alone or simultaneously ) and 30 subjects in the control group (G2). The collection methodology and cytological analysis followed the protocol of Tolbert et al. (1992) and Thomas et al. (2009), which includes, in addition to micronuclei, the computation of degenerative nuclear changes indicative of apoptosis (cariorr?xis, condensed chromatin and pyknosis) and necrosis (karyolysis, cariorr?xis, condensed chromatin and pyknosis). Statistical analysis of the endpoints analyzed (micronucleus, cariorr?xis, condensed chromatin, karyolysis, pyknosis and broken eggs) was performed using the conditional test to compare proportions in situations of rare events. Results: Statistical analysis revealed no significant difference in the occurrence of micronuclei, karyolysis and broken eggs between groups. The occurrence of apoptosis was significantly greater in cells from control individuals. Conclusion: The results show inhibition of apoptosis induced by EAA, suggesting that the described association between the use of these substances and the carcinogenic process can be permeated by this mechanism.A exposi??o a agentes genot?xicos induz altera??es na mol?cula do DNA que ao comprometerem genes envolvidos com os mecanismos de reparo e com o controle da prolifera??o e diferencia??o celular ou genes associados ?s vias de apoptose, podem levar ao desenvolvimento de c?ncer. Entre os muitos agentes qu?micos que t?m sido identificados como de a??o mutag?nica, incluem-se os Ester?ides Anabolizantes Androg?nicos (EAA), horm?nios amplamente utilizados na busca da melhoria do desempenho f?sico e aumento da massa muscular. Objetivo: Neste contexto, objetivou-se com o desenvolvimento do presente estudo, avaliar o potencial dos ester?ides anabolizantes androg?nicos decanoato de nandrolona, propionato de testosterona e cipionato de testosterona em induzir danos cromoss?micos, apoptose e necrose, atrav?s do uso do Teste de Micron?cleo em c?lulas esfoliadas da mucosa oral de usu?rios de EAA com vista ? sua aplica??o como ferramenta na preven??o do c?ncer. M?todo: A amostra do estudo foi composta por 55 volunt?rios, do sexo masculino, distribu?dos em dois (02) grupos, pareados por idade: 25 indiv?duos (G1) usu?rios de decanoato de nandrolona, propionato de testosterona e cipionato de testosterona (isoladamente ou simultaneamente) e 30 indiv?duos no grupo controle (G2). A metodologia de coleta e an?lise citol?gica seguiu o protocolo de Tolbert et al. (1992) e Thomas et al. (2009), que inclui, al?m de micron?cleos, o computo de altera??es nucleares degenerativas indicadoras de apoptose (cariorr?xis, cromatina condensada e picnose) e necrose (cari?lise, cariorr?xis, cromatina condensada e picnose). A an?lise estat?stica dos endpoints analisados (micron?cleo, cariorr?xis, cromatina condensada, cari?lise, picnose e broken eggs) foi realizada com o uso do teste condicional para compara??o de propor??es em situa??es de eventos raros. Resultados: A an?lise estat?stica revelou que n?o houve diferen?a significativa na ocorr?ncia de micron?cleo, cari?lise e broken eggs entre os grupos. A ocorr?ncia de apoptose foi, significativamente, maior em c?lulas dos indiv?duos do grupo controle. Conclus?o: Os resultados obtidos mostram inibi??o da apoptose induzida pelo uso de EAA, sugerindo que a associa??o descrita entre uso destas subst?ncias e o processo carcinog?nico possa ser permeada por este mecanismo.Submitted by Verena Bastos (verena@uefs.br) on 2015-10-08T12:18:43Z No. of bitstreams: 1 Jeanderson_Disserta??o_vers?o final.pdf: 369468 bytes, checksum: 851a8492d73fc0106bfe7784166fdf98 (MD5)Made available in DSpace on 2015-10-08T12:18:43Z (GMT). No. of bitstreams: 1 Jeanderson_Disserta??o_vers?o final.pdf: 369468 bytes, checksum: 851a8492d73fc0106bfe7784166fdf98 (MD5) Previous issue date: 2013-03-25Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPESapplication/pdfporUniversidade Estadual de Feira de SantanaMestrado Acad?mico em Sa?de ColetivaUEFSBrasilDEPARTAMENTO DE SA?DEEster?ides anabolizantesgenotoxicidademicron?cleoapoptoseAnabolic steroidsgenotoxicitymicronucleiapoptosisCIENCIAS DA SAUDEAvalia??o da ocorr?ncia de danos cromoss?micos, apoptose e necrose em c?lulas esfoliadas da mucosa oral de usu?rios de ester?ides anabolizantes androg?nicosinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis-121975901865722803600600600600854951174011610620087654494148233069292075167498588264571info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UEFSinstname:Universidade Estadual de Feira de Santana (UEFS)instacron:UEFSORIGINALJeanderson_Disserta??o_vers?o final.pdfJeanderson_Disserta??o_vers?o final.pdfapplication/pdf369468http://tede2.uefs.br:8080/bitstream/tede/230/2/Jeanderson_Disserta%C3%A7%C3%A3o_vers%C3%A3o+final.pdf851a8492d73fc0106bfe7784166fdf98MD52LICENSElicense.txtlicense.txttext/plain; charset=utf-82165http://tede2.uefs.br:8080/bitstream/tede/230/1/license.txtbd3efa91386c1718a7f26a329fdcb468MD51tede/2302015-10-08 09:18:43.927oai:tede2.uefs.br:8080:tede/230Tk9UQTogQ09MT1FVRSBBUVVJIEEgU1VBIFBSw5NQUklBIExJQ0VOw4dBCkVzdGEgbGljZW7Dp2EgZGUgZXhlbXBsbyDDqSBmb3JuZWNpZGEgYXBlbmFzIHBhcmEgZmlucyBpbmZvcm1hdGl2b3MuCgpMSUNFTsOHQSBERSBESVNUUklCVUnDh8ODTyBOw4NPLUVYQ0xVU0lWQQoKQ29tIGEgYXByZXNlbnRhw6fDo28gZGVzdGEgbGljZW7Dp2EsIHZvY8OqIChvIGF1dG9yIChlcykgb3UgbyB0aXR1bGFyIGRvcyBkaXJlaXRvcyBkZSBhdXRvcikgY29uY2VkZSDDoCBVbml2ZXJzaWRhZGUgClhYWCAoU2lnbGEgZGEgVW5pdmVyc2lkYWRlKSBvIGRpcmVpdG8gbsOjby1leGNsdXNpdm8gZGUgcmVwcm9kdXppciwgIHRyYWR1emlyIChjb25mb3JtZSBkZWZpbmlkbyBhYmFpeG8pLCBlL291IApkaXN0cmlidWlyIGEgc3VhIHRlc2Ugb3UgZGlzc2VydGHDp8OjbyAoaW5jbHVpbmRvIG8gcmVzdW1vKSBwb3IgdG9kbyBvIG11bmRvIG5vIGZvcm1hdG8gaW1wcmVzc28gZSBlbGV0csO0bmljbyBlIAplbSBxdWFscXVlciBtZWlvLCBpbmNsdWluZG8gb3MgZm9ybWF0b3Mgw6F1ZGlvIG91IHbDrWRlby4KClZvY8OqIGNvbmNvcmRhIHF1ZSBhIFNpZ2xhIGRlIFVuaXZlcnNpZGFkZSBwb2RlLCBzZW0gYWx0ZXJhciBvIGNvbnRlw7pkbywgdHJhbnNwb3IgYSBzdWEgdGVzZSBvdSBkaXNzZXJ0YcOnw6NvIApwYXJhIHF1YWxxdWVyIG1laW8gb3UgZm9ybWF0byBwYXJhIGZpbnMgZGUgcHJlc2VydmHDp8Ojby4KClZvY8OqIHRhbWLDqW0gY29uY29yZGEgcXVlIGEgU2lnbGEgZGUgVW5pdmVyc2lkYWRlIHBvZGUgbWFudGVyIG1haXMgZGUgdW1hIGPDs3BpYSBhIHN1YSB0ZXNlIG91IApkaXNzZXJ0YcOnw6NvIHBhcmEgZmlucyBkZSBzZWd1cmFuw6dhLCBiYWNrLXVwIGUgcHJlc2VydmHDp8Ojby4KClZvY8OqIGRlY2xhcmEgcXVlIGEgc3VhIHRlc2Ugb3UgZGlzc2VydGHDp8OjbyDDqSBvcmlnaW5hbCBlIHF1ZSB2b2PDqiB0ZW0gbyBwb2RlciBkZSBjb25jZWRlciBvcyBkaXJlaXRvcyBjb250aWRvcyAKbmVzdGEgbGljZW7Dp2EuIFZvY8OqIHRhbWLDqW0gZGVjbGFyYSBxdWUgbyBkZXDDs3NpdG8gZGEgc3VhIHRlc2Ugb3UgZGlzc2VydGHDp8OjbyBuw6NvLCBxdWUgc2VqYSBkZSBzZXUgCmNvbmhlY2ltZW50bywgaW5mcmluZ2UgZGlyZWl0b3MgYXV0b3JhaXMgZGUgbmluZ3XDqW0uCgpDYXNvIGEgc3VhIHRlc2Ugb3UgZGlzc2VydGHDp8OjbyBjb250ZW5oYSBtYXRlcmlhbCBxdWUgdm9jw6ogbsOjbyBwb3NzdWkgYSB0aXR1bGFyaWRhZGUgZG9zIGRpcmVpdG9zIGF1dG9yYWlzLCB2b2PDqiAKZGVjbGFyYSBxdWUgb2J0ZXZlIGEgcGVybWlzc8OjbyBpcnJlc3RyaXRhIGRvIGRldGVudG9yIGRvcyBkaXJlaXRvcyBhdXRvcmFpcyBwYXJhIGNvbmNlZGVyIMOgIFNpZ2xhIGRlIFVuaXZlcnNpZGFkZSAKb3MgZGlyZWl0b3MgYXByZXNlbnRhZG9zIG5lc3RhIGxpY2Vuw6dhLCBlIHF1ZSBlc3NlIG1hdGVyaWFsIGRlIHByb3ByaWVkYWRlIGRlIHRlcmNlaXJvcyBlc3TDoSBjbGFyYW1lbnRlIAppZGVudGlmaWNhZG8gZSByZWNvbmhlY2lkbyBubyB0ZXh0byBvdSBubyBjb250ZcO6ZG8gZGEgdGVzZSBvdSBkaXNzZXJ0YcOnw6NvIG9yYSBkZXBvc2l0YWRhLgoKQ0FTTyBBIFRFU0UgT1UgRElTU0VSVEHDh8ODTyBPUkEgREVQT1NJVEFEQSBURU5IQSBTSURPIFJFU1VMVEFETyBERSBVTSBQQVRST0PDjU5JTyBPVSAKQVBPSU8gREUgVU1BIEFHw4pOQ0lBIERFIEZPTUVOVE8gT1UgT1VUUk8gT1JHQU5JU01PIFFVRSBOw4NPIFNFSkEgQSBTSUdMQSBERSAKVU5JVkVSU0lEQURFLCBWT0PDiiBERUNMQVJBIFFVRSBSRVNQRUlUT1UgVE9ET1MgRSBRVUFJU1FVRVIgRElSRUlUT1MgREUgUkVWSVPDg08gQ09NTyAKVEFNQsOJTSBBUyBERU1BSVMgT0JSSUdBw4fDlUVTIEVYSUdJREFTIFBPUiBDT05UUkFUTyBPVSBBQ09SRE8uCgpBIFNpZ2xhIGRlIFVuaXZlcnNpZGFkZSBzZSBjb21wcm9tZXRlIGEgaWRlbnRpZmljYXIgY2xhcmFtZW50ZSBvIHNldSBub21lIChzKSBvdSBvKHMpIG5vbWUocykgZG8ocykgCmRldGVudG9yKGVzKSBkb3MgZGlyZWl0b3MgYXV0b3JhaXMgZGEgdGVzZSBvdSBkaXNzZXJ0YcOnw6NvLCBlIG7Do28gZmFyw6EgcXVhbHF1ZXIgYWx0ZXJhw6fDo28sIGFsw6ltIGRhcXVlbGFzIApjb25jZWRpZGFzIHBvciBlc3RhIGxpY2Vuw6dhLgo=Biblioteca Digital de Teses e Dissertaçõeshttp://tede2.uefs.br:8080/PUBhttp://tede2.uefs.br:8080/oai/requestbcuefs@uefs.br|| bcref@uefs.br||bcuefs@uefs.bropendoar:2015-10-08T12:18:43Biblioteca Digital de Teses e Dissertações da UEFS - Universidade Estadual de Feira de Santana (UEFS)false |
dc.title.por.fl_str_mv |
Avalia??o da ocorr?ncia de danos cromoss?micos, apoptose e necrose em c?lulas esfoliadas da mucosa oral de usu?rios de ester?ides anabolizantes androg?nicos |
title |
Avalia??o da ocorr?ncia de danos cromoss?micos, apoptose e necrose em c?lulas esfoliadas da mucosa oral de usu?rios de ester?ides anabolizantes androg?nicos |
spellingShingle |
Avalia??o da ocorr?ncia de danos cromoss?micos, apoptose e necrose em c?lulas esfoliadas da mucosa oral de usu?rios de ester?ides anabolizantes androg?nicos Souza, Jeanderson Pereira Ester?ides anabolizantes genotoxicidade micron?cleo apoptose Anabolic steroids genotoxicity micronuclei apoptosis CIENCIAS DA SAUDE |
title_short |
Avalia??o da ocorr?ncia de danos cromoss?micos, apoptose e necrose em c?lulas esfoliadas da mucosa oral de usu?rios de ester?ides anabolizantes androg?nicos |
title_full |
Avalia??o da ocorr?ncia de danos cromoss?micos, apoptose e necrose em c?lulas esfoliadas da mucosa oral de usu?rios de ester?ides anabolizantes androg?nicos |
title_fullStr |
Avalia??o da ocorr?ncia de danos cromoss?micos, apoptose e necrose em c?lulas esfoliadas da mucosa oral de usu?rios de ester?ides anabolizantes androg?nicos |
title_full_unstemmed |
Avalia??o da ocorr?ncia de danos cromoss?micos, apoptose e necrose em c?lulas esfoliadas da mucosa oral de usu?rios de ester?ides anabolizantes androg?nicos |
title_sort |
Avalia??o da ocorr?ncia de danos cromoss?micos, apoptose e necrose em c?lulas esfoliadas da mucosa oral de usu?rios de ester?ides anabolizantes androg?nicos |
author |
Souza, Jeanderson Pereira |
author_facet |
Souza, Jeanderson Pereira |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Cerqueira, Eneida de Moraes Marc?lio |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/7316374672901284 |
dc.contributor.author.fl_str_mv |
Souza, Jeanderson Pereira |
contributor_str_mv |
Cerqueira, Eneida de Moraes Marc?lio |
dc.subject.por.fl_str_mv |
Ester?ides anabolizantes genotoxicidade micron?cleo apoptose |
topic |
Ester?ides anabolizantes genotoxicidade micron?cleo apoptose Anabolic steroids genotoxicity micronuclei apoptosis CIENCIAS DA SAUDE |
dc.subject.eng.fl_str_mv |
Anabolic steroids genotoxicity micronuclei apoptosis |
dc.subject.cnpq.fl_str_mv |
CIENCIAS DA SAUDE |
description |
Exposure to genotoxic agents induces changes in the DNA molecule to commit that genes involved with the repair mechanisms and the control of cell proliferation and differentiation pathways or genes associated with apoptosis can lead to cancer development. Among the many chemicals that have been identified as mutagenic action, include the Androgenic Steroids (AAS), hormones widely used in the search for improved physical performance and increased muscle mass. Objective: In this context, the aim of the development of this study was to evaluate the potential of androgenic anabolic steroid nandrolone decanoate, testosterone propionate and testosterone cypionate to induce chromosome damage, apoptosis and necrosis, using the micronucleus test in exfoliated cells from the oral mucosa of users of AAS with a view to its application as a tool in cancer prevention. Method: The study sample consisted of 55 volunteers, male, divided into two (02) groups, matched for age: 25 subjects (G1) users of nandrolone decanoate, testosterone propionate and testosterone cypionate (alone or simultaneously ) and 30 subjects in the control group (G2). The collection methodology and cytological analysis followed the protocol of Tolbert et al. (1992) and Thomas et al. (2009), which includes, in addition to micronuclei, the computation of degenerative nuclear changes indicative of apoptosis (cariorr?xis, condensed chromatin and pyknosis) and necrosis (karyolysis, cariorr?xis, condensed chromatin and pyknosis). Statistical analysis of the endpoints analyzed (micronucleus, cariorr?xis, condensed chromatin, karyolysis, pyknosis and broken eggs) was performed using the conditional test to compare proportions in situations of rare events. Results: Statistical analysis revealed no significant difference in the occurrence of micronuclei, karyolysis and broken eggs between groups. The occurrence of apoptosis was significantly greater in cells from control individuals. Conclusion: The results show inhibition of apoptosis induced by EAA, suggesting that the described association between the use of these substances and the carcinogenic process can be permeated by this mechanism. |
publishDate |
2013 |
dc.date.issued.fl_str_mv |
2013-03-25 |
dc.date.accessioned.fl_str_mv |
2015-10-08T12:18:43Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/masterThesis |
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dc.identifier.citation.fl_str_mv |
SOUZA, Jeanderson Pereira. Avalia??o da ocorr?ncia de danos cromoss?micos, apoptose e necrose em c?lulas esfoliadas da mucosa oral de usu?rios de ester?ides anabolizantes androg?nicos.2013. 54f. Disserta??o( Mestrado Acad?mico em Sa?de Coletiva)- Universidade Estadual de Feira de Santana, Feira de Santana, 2013. |
dc.identifier.uri.fl_str_mv |
http://localhost:8080/tede/handle/tede/230 |
identifier_str_mv |
SOUZA, Jeanderson Pereira. Avalia??o da ocorr?ncia de danos cromoss?micos, apoptose e necrose em c?lulas esfoliadas da mucosa oral de usu?rios de ester?ides anabolizantes androg?nicos.2013. 54f. Disserta??o( Mestrado Acad?mico em Sa?de Coletiva)- Universidade Estadual de Feira de Santana, Feira de Santana, 2013. |
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Universidade Estadual de Feira de Santana |
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UEFS |
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