Avalia??o do uso do teste de micron?cleo em c?lulas esfoliadas como biomarcador para o desenvolvimento do c?ncer oral em usu?rios de bebidas alco?licas e anti-s?pticos bucais
Ano de defesa: | 2011 |
---|---|
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 Biotecnologia
|
Departamento: |
DEPARTAMENTO DE CI?NCIAS BIOL?GICAS
|
País: |
Brasil
|
Palavras-chave em Português: | |
Palavras-chave em Inglês: | |
Área do conhecimento CNPq: | |
Link de acesso: | http://tede2.uefs.br:8080/handle/tede/1095 |
Resumo: | Chromosomal damage (Micronucleus) and apoptosis (sum of Karyorrexis, Condensed chromatin and Picnosis) were analyzed in users of mouthwashes and/or alcoholic beverages using the Micronucleus Tests in exfoliated cells from oral mucosa according Tolbert et al. (1992) protocol, aiming evaluate both the genotoxic effects of these habits and the use of this test as biomarker of cancer risk. Sample analyzed included four groups of individuals, three exposed groups (GE) and a control group (GC), each one formed by twenty individuals. Exposed group 1 (GE1) was formed by users of mouthwashes; GE2 by drinkers and GE3 by users of both. Smears were done with cells collected by gentile scraping of cheek and were fixed in methanol/acetic acid (3:1) solution and stained and counterstained, respectively, with Schiff and Fast green. Endpoints were computed in two thousand cells in a blind fashion. Statistical analysis showed that chromosomal damage and apoptosis were significantly higher in individual of GE1 and GE3 as compared with GC (p<0,005 and p< 0,001, respectively). Was not observed significant difference in chromosomal damage and apoptosis as compared just exposed groups. Apoptosis occurrence, but not chromosomal damage was significantly higher in individuals of GE2 when compared with GC. These results suggest that mouthwashes alone or in association with alcohol beverage ingestion induce genotoxic effects manifested as chromosomal damage and apoptosis. Alcoholic beverages are effective in stimulate the apoptotic process. More studies are necessary to establishing useful of the Micronucleus Test as biomarker of cancer risk, but the results here described are enough to avoid indiscriminate use of mouthwashes and alcoholic beverages. |
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Cerqueira, Eneida de Moraes Marc?lio0410445650401167352521http://lattes.cnpq.br/8962123463058368Rocha, Rodrigo dos Santos2020-05-07T00:56:13Z2011-03-18ROCHA, Rodrigo dos Santos. Avalia??o do uso do teste de micron?cleo em c?lulas esfoliadas como biomarcador para o desenvolvimento do c?ncer oral em usu?rios de bebidas alco?licas e anti-s?pticos bucais. 2011. 69 f. Disserta??o (Mestrado Acad?mico em Biotecnologia)- Universidade Estadual de Feira de Santana, Feira de Santana, 2011.http://tede2.uefs.br:8080/handle/tede/1095Chromosomal damage (Micronucleus) and apoptosis (sum of Karyorrexis, Condensed chromatin and Picnosis) were analyzed in users of mouthwashes and/or alcoholic beverages using the Micronucleus Tests in exfoliated cells from oral mucosa according Tolbert et al. (1992) protocol, aiming evaluate both the genotoxic effects of these habits and the use of this test as biomarker of cancer risk. Sample analyzed included four groups of individuals, three exposed groups (GE) and a control group (GC), each one formed by twenty individuals. Exposed group 1 (GE1) was formed by users of mouthwashes; GE2 by drinkers and GE3 by users of both. Smears were done with cells collected by gentile scraping of cheek and were fixed in methanol/acetic acid (3:1) solution and stained and counterstained, respectively, with Schiff and Fast green. Endpoints were computed in two thousand cells in a blind fashion. Statistical analysis showed that chromosomal damage and apoptosis were significantly higher in individual of GE1 and GE3 as compared with GC (p<0,005 and p< 0,001, respectively). Was not observed significant difference in chromosomal damage and apoptosis as compared just exposed groups. Apoptosis occurrence, but not chromosomal damage was significantly higher in individuals of GE2 when compared with GC. These results suggest that mouthwashes alone or in association with alcohol beverage ingestion induce genotoxic effects manifested as chromosomal damage and apoptosis. Alcoholic beverages are effective in stimulate the apoptotic process. More studies are necessary to establishing useful of the Micronucleus Test as biomarker of cancer risk, but the results here described are enough to avoid indiscriminate use of mouthwashes and alcoholic beverages.A ocorr?ncia de altera??es citol?gicas indicadoras de danos cromoss?micos (Micron?cleos) e apoptose (somat?rio de Cariorr?xis, Cromatina condensada e Picnose) em usu?rios de bebidas alco?licas e/ou de anti-s?ptico bucal (ASB), foi avaliada atrav?s do Teste de Micron?cleo (MN) em c?lulas esfoliadas da mucosa oral, segundo protocolo de Tolbert et al. (1992), visando detectar efeitos genot?xicos destes h?bitos e avaliar o uso deste teste como biomarcador de risco de c?ncer. A amostra analisada incluiu quatro grupos distintos de vinte indiv?duos: tr?s grupos expostos (GE) e um grupo controle (GC). O Grupo Exposto 1 (GE1) foi formado por usu?rios de ASB; o GE2 por consumidores de bebidas alco?licas e o GE3 por usu?rios de ASB e de bebidas alco?licas. Com o material coletado, por raspagem gentil da mucosa oral, foi feito esfrega?o em l?mina. O preparo deste material envolveu fixa??o em metanol/?cido ac?tico (3:1) e colora??o/contra colora??o com Reativo de Shiff e Fast Green. A an?lise citol?gica dos endpoints foi feita em teste cego em um total de 2000 c?lulas. A avalia??o estat?stica dos resultados revelou que a ocorr?ncia de danos cromoss?micos e apoptose foi significativamente maior entre os indiv?duos que constitu?ram o GE1 e GE3 quando comparados ao GC (p< 0,05 e p< 0,001, respectivamente). N?o foi detectada signific?ncia estat?stica entre os grupos expostos quando comparados entre si quanto ? ocorr?ncia de danos cromoss?micos e apoptose. Maior ocorr?ncia de apoptose (p< 0,001), mas n?o de danos cromoss?micos, foi observada nos indiv?duos do GE2 quando comparados ao GC. Os resultados obtidos sugerem que os ASB, tanto isoladamente quanto em associa??o com bebidas alco?licas, induzem efeitos genot?xicos traduzidos por danos cromoss?micos e apoptose. Os efeitos genot?xicos conseq?entes ? ingest?o de bebidas alco?licas isoladamente s?o evidenciados pelo est?mulo a apoptose. Estes resultados suscitam a realiza??o de estudos adicionais para consubstanciar o uso do Teste de Micron?cleo como biomarcador de risco de c?ncer, mas s?o suficientes para desestimular o uso indiscriminado de anti-s?ptico bucal e bebidas alco?licas.Submitted by Ricardo Cedraz Duque Moliterno (ricardo.moliterno@uefs.br) on 2020-05-07T00:56:13Z No. of bitstreams: 1 DISSERTA??O RODRIGO.pdf: 2742595 bytes, checksum: 08dbf6678d25a69f9d1f099bf41c0819 (MD5)Made available in DSpace on 2020-05-07T00:56:13Z (GMT). No. of bitstreams: 1 DISSERTA??O RODRIGO.pdf: 2742595 bytes, checksum: 08dbf6678d25a69f9d1f099bf41c0819 (MD5) Previous issue date: 2011-03-18Conselho Nacional de Pesquisa e Desenvolvimento Cient?fico e Tecnol?gico - CNPqapplication/pdfporUniversidade Estadual de Feira de SantanaMestrado Acad?mico em BiotecnologiaUEFSBrasilDEPARTAMENTO DE CI?NCIAS BIOL?GICASMicron?cleoApoptoseBebidas alco?licasAnti-s?ptico bucalGenot?xicoMutageneseMicronucleiApoptosisAlcoholic beveragesMouthwashesGenotoxicMutagenesisCIENCIAS BIOLOGICAS::GENETICAGENETICA::MUTAGENESEAvalia??o do uso do teste de micron?cleo em c?lulas esfoliadas como biomarcador para o desenvolvimento do c?ncer oral em usu?rios de bebidas alco?licas e anti-s?pticos bucaisinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis-54735432730516527826006006006006005026123383450589282-5518144268585252051-43158211739338780651802873727776104890info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UEFSinstname:Universidade Estadual de Feira de Santana (UEFS)instacron:UEFSORIGINALDISSERTA??O RODRIGO.pdfDISSERTA??O RODRIGO.pdfapplication/pdf2742595http://tede2.uefs.br:8080/bitstream/tede/1095/2/DISSERTA%C3%87%C3%83O+RODRIGO.pdf08dbf6678d25a69f9d1f099bf41c0819MD52LICENSElicense.txtlicense.txttext/plain; charset=utf-82089http://tede2.uefs.br:8080/bitstream/tede/1095/1/license.txt7b5ba3d2445355f386edab96125d42b7MD51tede/10952020-05-06 21:56:13.668oai:tede2.uefs.br:8080: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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:2020-05-07T00:56:13Biblioteca Digital de Teses e Dissertações da UEFS - Universidade Estadual de Feira de Santana (UEFS)false |
dc.title.por.fl_str_mv |
Avalia??o do uso do teste de micron?cleo em c?lulas esfoliadas como biomarcador para o desenvolvimento do c?ncer oral em usu?rios de bebidas alco?licas e anti-s?pticos bucais |
title |
Avalia??o do uso do teste de micron?cleo em c?lulas esfoliadas como biomarcador para o desenvolvimento do c?ncer oral em usu?rios de bebidas alco?licas e anti-s?pticos bucais |
spellingShingle |
Avalia??o do uso do teste de micron?cleo em c?lulas esfoliadas como biomarcador para o desenvolvimento do c?ncer oral em usu?rios de bebidas alco?licas e anti-s?pticos bucais Rocha, Rodrigo dos Santos Micron?cleo Apoptose Bebidas alco?licas Anti-s?ptico bucal Genot?xico Mutagenese Micronuclei Apoptosis Alcoholic beverages Mouthwashes Genotoxic Mutagenesis CIENCIAS BIOLOGICAS::GENETICA GENETICA::MUTAGENESE |
title_short |
Avalia??o do uso do teste de micron?cleo em c?lulas esfoliadas como biomarcador para o desenvolvimento do c?ncer oral em usu?rios de bebidas alco?licas e anti-s?pticos bucais |
title_full |
Avalia??o do uso do teste de micron?cleo em c?lulas esfoliadas como biomarcador para o desenvolvimento do c?ncer oral em usu?rios de bebidas alco?licas e anti-s?pticos bucais |
title_fullStr |
Avalia??o do uso do teste de micron?cleo em c?lulas esfoliadas como biomarcador para o desenvolvimento do c?ncer oral em usu?rios de bebidas alco?licas e anti-s?pticos bucais |
title_full_unstemmed |
Avalia??o do uso do teste de micron?cleo em c?lulas esfoliadas como biomarcador para o desenvolvimento do c?ncer oral em usu?rios de bebidas alco?licas e anti-s?pticos bucais |
title_sort |
Avalia??o do uso do teste de micron?cleo em c?lulas esfoliadas como biomarcador para o desenvolvimento do c?ncer oral em usu?rios de bebidas alco?licas e anti-s?pticos bucais |
author |
Rocha, Rodrigo dos Santos |
author_facet |
Rocha, Rodrigo dos Santos |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Cerqueira, Eneida de Moraes Marc?lio |
dc.contributor.advisor1ID.fl_str_mv |
04104456504 |
dc.contributor.authorID.fl_str_mv |
01167352521 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/8962123463058368 |
dc.contributor.author.fl_str_mv |
Rocha, Rodrigo dos Santos |
contributor_str_mv |
Cerqueira, Eneida de Moraes Marc?lio |
dc.subject.por.fl_str_mv |
Micron?cleo Apoptose Bebidas alco?licas Anti-s?ptico bucal Genot?xico Mutagenese |
topic |
Micron?cleo Apoptose Bebidas alco?licas Anti-s?ptico bucal Genot?xico Mutagenese Micronuclei Apoptosis Alcoholic beverages Mouthwashes Genotoxic Mutagenesis CIENCIAS BIOLOGICAS::GENETICA GENETICA::MUTAGENESE |
dc.subject.eng.fl_str_mv |
Micronuclei Apoptosis Alcoholic beverages Mouthwashes Genotoxic Mutagenesis |
dc.subject.cnpq.fl_str_mv |
CIENCIAS BIOLOGICAS::GENETICA GENETICA::MUTAGENESE |
description |
Chromosomal damage (Micronucleus) and apoptosis (sum of Karyorrexis, Condensed chromatin and Picnosis) were analyzed in users of mouthwashes and/or alcoholic beverages using the Micronucleus Tests in exfoliated cells from oral mucosa according Tolbert et al. (1992) protocol, aiming evaluate both the genotoxic effects of these habits and the use of this test as biomarker of cancer risk. Sample analyzed included four groups of individuals, three exposed groups (GE) and a control group (GC), each one formed by twenty individuals. Exposed group 1 (GE1) was formed by users of mouthwashes; GE2 by drinkers and GE3 by users of both. Smears were done with cells collected by gentile scraping of cheek and were fixed in methanol/acetic acid (3:1) solution and stained and counterstained, respectively, with Schiff and Fast green. Endpoints were computed in two thousand cells in a blind fashion. Statistical analysis showed that chromosomal damage and apoptosis were significantly higher in individual of GE1 and GE3 as compared with GC (p<0,005 and p< 0,001, respectively). Was not observed significant difference in chromosomal damage and apoptosis as compared just exposed groups. Apoptosis occurrence, but not chromosomal damage was significantly higher in individuals of GE2 when compared with GC. These results suggest that mouthwashes alone or in association with alcohol beverage ingestion induce genotoxic effects manifested as chromosomal damage and apoptosis. Alcoholic beverages are effective in stimulate the apoptotic process. More studies are necessary to establishing useful of the Micronucleus Test as biomarker of cancer risk, but the results here described are enough to avoid indiscriminate use of mouthwashes and alcoholic beverages. |
publishDate |
2011 |
dc.date.issued.fl_str_mv |
2011-03-18 |
dc.date.accessioned.fl_str_mv |
2020-05-07T00:56:13Z |
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.citation.fl_str_mv |
ROCHA, Rodrigo dos Santos. Avalia??o do uso do teste de micron?cleo em c?lulas esfoliadas como biomarcador para o desenvolvimento do c?ncer oral em usu?rios de bebidas alco?licas e anti-s?pticos bucais. 2011. 69 f. Disserta??o (Mestrado Acad?mico em Biotecnologia)- Universidade Estadual de Feira de Santana, Feira de Santana, 2011. |
dc.identifier.uri.fl_str_mv |
http://tede2.uefs.br:8080/handle/tede/1095 |
identifier_str_mv |
ROCHA, Rodrigo dos Santos. Avalia??o do uso do teste de micron?cleo em c?lulas esfoliadas como biomarcador para o desenvolvimento do c?ncer oral em usu?rios de bebidas alco?licas e anti-s?pticos bucais. 2011. 69 f. Disserta??o (Mestrado Acad?mico em Biotecnologia)- Universidade Estadual de Feira de Santana, Feira de Santana, 2011. |
url |
http://tede2.uefs.br:8080/handle/tede/1095 |
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por |
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por |
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openAccess |
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Universidade Estadual de Feira de Santana |
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Mestrado Acad?mico em Biotecnologia |
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UEFS |
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Brasil |
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DEPARTAMENTO DE CI?NCIAS BIOL?GICAS |
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Universidade Estadual de Feira de Santana |
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