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The expression of ABH and Lewis antigens in Brazilian semi-isolated Black communities
Corvelo, Tereza Cristina Oliveira; Aguiar, D. C. F; Sagica, F. E. S.
Affiliation
  • Corvelo, Tereza Cristina Oliveira; Universidade Federal do Pará. Centro de Ciências Biológicas. Departamento de Genética. Belém. BR
  • Aguiar, D. C. F; Universidade Federal do Pará. Centro de Ciências Biológicas. Departamento de Genética. Belém. BR
  • Sagica, F. E. S; Universidade Federal do Pará. Centro de Ciências Biológicas. Departamento de Genética. Belém. BR
Genet. mol. biol ; Genet. mol. biol;25(3): 259-263, Sept. 2002. tab, graf
Article in En | LILACS | ID: lil-335763
Responsible library: BR26.1
RESUMO
The expression of the ABH and Lewis blood groups was determined in blood and saliva samples from two semi-isolated Black communities of Northern Brazil Cametá and Alcântara. The distributions of ABO blood group phenotypes and the ABH secretor status frequencies showed no significant differences between these populations. In contrast, there was a difference regarding the frequency of the red blood cell Le(a-b-) phenotypes, associated with erythrocyte/saliva discordance, as confirmed by the observation that individuals with Le(a-b-) red cells have the Lewis antigen in their saliva, resulting in a nongenuine Le(a-b-) phenotype, whose frequency was higher in Alcântara
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Full text: 1 Collection: 01-internacional Database: LILACS Main subject: Saliva / ABO Blood-Group System / Brazil / Black People / Lewis Blood Group Antigens Limits: Humans Country/Region as subject: America do sul / Brasil Language: En Journal: Genet. mol. biol Journal subject: GENETICA Year: 2002 Document type: Article Affiliation country: Brazil Country of publication: Brazil
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Full text: 1 Collection: 01-internacional Database: LILACS Main subject: Saliva / ABO Blood-Group System / Brazil / Black People / Lewis Blood Group Antigens Limits: Humans Country/Region as subject: America do sul / Brasil Language: En Journal: Genet. mol. biol Journal subject: GENETICA Year: 2002 Document type: Article Affiliation country: Brazil Country of publication: Brazil