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Cystic fibrosis mutations R1162X and 2183AA FONT FACE=Symbol>® /FONT>G in two southern Brasilian states

We screened 79 southern Brazilian patients with cystic fibrosis for the rare cystic fibrosis mutations R1162X and 2183AA ® G. Forty-nine patients were born in the State of Paraná (PR) and 30 in the State of Santa Catarina (SC). Two 2183AA ® G alleles were found among the SC patients and one among th...

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Published in:Genetics and molecular biology 1999-09, Vol.22 (3), p.291-294
Main Authors: Lilian Pereira, Salmo Raskin, Aline A. Freund, Patrícia D. Ribas, Raquel M.V. Castro, Pier F. Pignatti, Lodércio Culpi
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container_issue 3
container_start_page 291
container_title Genetics and molecular biology
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creator Lilian Pereira
Salmo Raskin
Aline A. Freund
Patrícia D. Ribas
Raquel M.V. Castro
Pier F. Pignatti
Lodércio Culpi
description We screened 79 southern Brazilian patients with cystic fibrosis for the rare cystic fibrosis mutations R1162X and 2183AA ® G. Forty-nine patients were born in the State of Paraná (PR) and 30 in the State of Santa Catarina (SC). Two 2183AA ® G alleles were found among the SC patients and one among the PR patients. Six R1162X alleles were found among the SC patients and one among the PR patients. Fourteen percent of the alleles found among patients of Italian origin were R1162X, and 7% were 2183AA ® G mutations. These mutations, together with D F508, were also studied in a sample of 270 normal non-related subjects of Italian origin who have been born in PR. In this sample we found two D F508 alleles and one 2183AA ® G allele. D F508, R1162X and 2183AA ® G frequencies were not statistically different from those observed in Italy. Our results demonstrate that it is important to include these mutations in southern Brazilian surveys of cystic fibrosis patients, especially when they are of Italian descent.Realizou-se a análise de 79 pacientes provenientes do Sul do Brasil para duas mutações raras da fibrose cística (CF), R1162X e 2183AA ® G; dentre estes pacientes, 49 eram nascidos no Estado do Paraná (PR) e 30 eram nascidos no Estado de Santa Catarina (SC). Para a mutação 2183AA ® G, dois alelos foram detectados entre os pacientes de SC e um alelo nos pacientes de PR. Para a mutação R1162X, seis alelos foram detectados entre os pacientes de SC e um alelo entre os pacientes do PR. Quando estes pacientes foram classificados de acordo com a origem étnica, 14% dos alelos detectados entre os pacientes de origem italiana eram portadores da mutação R1162X e 7% da mutação 2183AA ® G. Estas mutações, juntamente com a mutação D F508, também foram analisadas em uma amostra de 270 indivíduos normais de origem italiana não-consangüíneos, os quais eram nascidos no Estado do PR. Nessa amostra foram detectados dois alelos D F508 e um alelo 2183AA ® G. As freqüências das mutações D F508, R1162X e 2183AA ® G não mostraram desvio estatístico significativo daquelas freqüências observadas no norte da Itália. Nossos resultados demonstram que é importante incluir estas mutações no conjunto de mutações a serem pesquisadas nos pacientes com FC do sul do Brasil, especialmente quando estes pacientes tiverem origem italiana.
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Freund ; Patrícia D. Ribas ; Raquel M.V. Castro ; Pier F. Pignatti ; Lodércio Culpi</creator><creatorcontrib>Lilian Pereira ; Salmo Raskin ; Aline A. Freund ; Patrícia D. Ribas ; Raquel M.V. Castro ; Pier F. Pignatti ; Lodércio Culpi</creatorcontrib><description>We screened 79 southern Brazilian patients with cystic fibrosis for the rare cystic fibrosis mutations R1162X and 2183AA ® G. Forty-nine patients were born in the State of Paraná (PR) and 30 in the State of Santa Catarina (SC). Two 2183AA ® G alleles were found among the SC patients and one among the PR patients. Six R1162X alleles were found among the SC patients and one among the PR patients. Fourteen percent of the alleles found among patients of Italian origin were R1162X, and 7% were 2183AA ® G mutations. These mutations, together with D F508, were also studied in a sample of 270 normal non-related subjects of Italian origin who have been born in PR. In this sample we found two D F508 alleles and one 2183AA ® G allele. D F508, R1162X and 2183AA ® G frequencies were not statistically different from those observed in Italy. Our results demonstrate that it is important to include these mutations in southern Brazilian surveys of cystic fibrosis patients, especially when they are of Italian descent.Realizou-se a análise de 79 pacientes provenientes do Sul do Brasil para duas mutações raras da fibrose cística (CF), R1162X e 2183AA ® G; dentre estes pacientes, 49 eram nascidos no Estado do Paraná (PR) e 30 eram nascidos no Estado de Santa Catarina (SC). Para a mutação 2183AA ® G, dois alelos foram detectados entre os pacientes de SC e um alelo nos pacientes de PR. Para a mutação R1162X, seis alelos foram detectados entre os pacientes de SC e um alelo entre os pacientes do PR. Quando estes pacientes foram classificados de acordo com a origem étnica, 14% dos alelos detectados entre os pacientes de origem italiana eram portadores da mutação R1162X e 7% da mutação 2183AA ® G. Estas mutações, juntamente com a mutação D F508, também foram analisadas em uma amostra de 270 indivíduos normais de origem italiana não-consangüíneos, os quais eram nascidos no Estado do PR. Nessa amostra foram detectados dois alelos D F508 e um alelo 2183AA ® G. As freqüências das mutações D F508, R1162X e 2183AA ® G não mostraram desvio estatístico significativo daquelas freqüências observadas no norte da Itália. 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Freund</creatorcontrib><creatorcontrib>Patrícia D. Ribas</creatorcontrib><creatorcontrib>Raquel M.V. Castro</creatorcontrib><creatorcontrib>Pier F. Pignatti</creatorcontrib><creatorcontrib>Lodércio Culpi</creatorcontrib><title>Cystic fibrosis mutations R1162X and 2183AA FONT FACE=Symbol&gt;® /FONT&gt;G in two southern Brasilian states</title><title>Genetics and molecular biology</title><description>We screened 79 southern Brazilian patients with cystic fibrosis for the rare cystic fibrosis mutations R1162X and 2183AA ® G. Forty-nine patients were born in the State of Paraná (PR) and 30 in the State of Santa Catarina (SC). Two 2183AA ® G alleles were found among the SC patients and one among the PR patients. Six R1162X alleles were found among the SC patients and one among the PR patients. Fourteen percent of the alleles found among patients of Italian origin were R1162X, and 7% were 2183AA ® G mutations. These mutations, together with D F508, were also studied in a sample of 270 normal non-related subjects of Italian origin who have been born in PR. In this sample we found two D F508 alleles and one 2183AA ® G allele. D F508, R1162X and 2183AA ® G frequencies were not statistically different from those observed in Italy. Our results demonstrate that it is important to include these mutations in southern Brazilian surveys of cystic fibrosis patients, especially when they are of Italian descent.Realizou-se a análise de 79 pacientes provenientes do Sul do Brasil para duas mutações raras da fibrose cística (CF), R1162X e 2183AA ® G; dentre estes pacientes, 49 eram nascidos no Estado do Paraná (PR) e 30 eram nascidos no Estado de Santa Catarina (SC). Para a mutação 2183AA ® G, dois alelos foram detectados entre os pacientes de SC e um alelo nos pacientes de PR. Para a mutação R1162X, seis alelos foram detectados entre os pacientes de SC e um alelo entre os pacientes do PR. 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Pignatti</au><au>Lodércio Culpi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cystic fibrosis mutations R1162X and 2183AA FONT FACE=Symbol&gt;® /FONT&gt;G in two southern Brasilian states</atitle><jtitle>Genetics and molecular biology</jtitle><date>1999-09-01</date><risdate>1999</risdate><volume>22</volume><issue>3</issue><spage>291</spage><epage>294</epage><pages>291-294</pages><issn>1415-4757</issn><eissn>1678-4685</eissn><abstract>We screened 79 southern Brazilian patients with cystic fibrosis for the rare cystic fibrosis mutations R1162X and 2183AA ® G. Forty-nine patients were born in the State of Paraná (PR) and 30 in the State of Santa Catarina (SC). Two 2183AA ® G alleles were found among the SC patients and one among the PR patients. Six R1162X alleles were found among the SC patients and one among the PR patients. Fourteen percent of the alleles found among patients of Italian origin were R1162X, and 7% were 2183AA ® G mutations. These mutations, together with D F508, were also studied in a sample of 270 normal non-related subjects of Italian origin who have been born in PR. In this sample we found two D F508 alleles and one 2183AA ® G allele. D F508, R1162X and 2183AA ® G frequencies were not statistically different from those observed in Italy. Our results demonstrate that it is important to include these mutations in southern Brazilian surveys of cystic fibrosis patients, especially when they are of Italian descent.Realizou-se a análise de 79 pacientes provenientes do Sul do Brasil para duas mutações raras da fibrose cística (CF), R1162X e 2183AA ® G; dentre estes pacientes, 49 eram nascidos no Estado do Paraná (PR) e 30 eram nascidos no Estado de Santa Catarina (SC). Para a mutação 2183AA ® G, dois alelos foram detectados entre os pacientes de SC e um alelo nos pacientes de PR. Para a mutação R1162X, seis alelos foram detectados entre os pacientes de SC e um alelo entre os pacientes do PR. 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title Cystic fibrosis mutations R1162X and 2183AA FONT FACE=Symbol>® /FONT>G in two southern Brasilian states
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