1000 resultados para Afro-Brazilian
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This dissertation is the result of an ethnographic journey undertaken in three spiritual centers of Umbanda , located in different districts of Natal/RN. The aim of the study was to understand how the representations of exus (spirit category) are established in the studied religious environment. In order to study this, mythical narratives of songs and of people were analyzed. In addition, the incorporated spirit entities, loaded with codes and values, were possible to be read and understood. The present work was developed according to a theoretical and methodological approach that interprets culture as a constant construction process, with representations and significations. The empirical research focuses on the ethnographic observations and the narratives; providing the experimentation of the models of discursive dialogues and polyphony. It was observed that the studied empirical field is marked by the cult of the Jurema which influences the mythical construction of exus . Therefore, this study enabled a reflection on the meeting of notions of two distinct worlds ( Umbanda and Jurema ). This reflection is crucial to the understanding of the position that exus occupy in the local umbandista system
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The object of this work is a fellowship of São Sebastião e Nossa Senhora do Rosário in the city of Jardim do Seridó (RN), that is, a black catholic fellowship on the sertão potiguar. The devotion to Nossa Senhora do Rosário, in colonial Brazil, organizes itself through black catholic men as fellowships. They blossomed in Brazil until the abolition, getting support from the Catholic church, from owners of slaves and from the population in general − unlike others afro-Brazilian religious expression. Today, these fellowships remain active, against the sentimental pessimism of the folklore studies, and they also have a highlight position in the calendar of many cities in Brazil, and in particular in Seridó. The research s foothold is the apparent valorization of the fellowship by the local elite, attitude that hides asymmetric relationships between the group of negros do Rosário and the local authorities, having as its consequence that the members occupy a subaltern position inside their own fellowship. This subalternity take place, mainly, in the public area, where the negros do Rosário cannot represent themselves neither political nor discursively. To discuss this idea, it s done a brief historical of these catholic institutions as well as a description of the relationship between the negros do Rosário and the elites of the city. Then, the phenomenon is analyzed as folklore and/or religion , under the perspective of many agents that participate in this process. In other moment, it is going to be presented how the group formulates their own representation of the history, of the devotional forms and of their own political-religious experiences. In this sense, an ethnography of the subalternity is understood as an analysis of the process that leads the negros do Rosário to become a subaltern group. It s also outlined the perception that the group has of its own position, through an ethnography essay of the subaltern subject. The research, focused in the group of Rosário, was done between August 2010 and January 2012 and includes other agents (like treasurers, priests and intellectuals). Besides that, as a methodological complement, there are documental research, photography, as well as shoots of the party days and public presentation
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The present Master´s dissertation aims to study the practices of the rezadeiras, Brazilian women healers, through an anthropological perspective. Special attention will be given to the understanding of these practices as a dynamic process in relation to those women who heal in Cruzeta (Seridó, Rio Grande do Norte), where is located our ethnographic research. For this research, twenty four rezadeiras were contacted and colaborated with our work plan. Among them, two were pentecostal rezadeiras and another one was member of the Jurema cult, an afro-brazilian religious cult. Similarities among these women healers were perceived in the research process, mostly in terms of their learning process and the use of certain objects and ritual techniques. However, apparent differences among them gave us the chance for understanding and reflecting on the actual heterogeneity of this world of specialists. Furthermore, i tried to capture the relations between the rezadeiras and the therapeutic practices from health professionals or the religious practices of religious leaders (Catholic, pentecostal, etc). It is possible to ascertain about the complementarity between therapeutic practices from different cultural logics. This complementarity is also perceived through the religious interchanges and transits among different healers, including those who have different religious beliefs. In this work, rituals are also described and they are a crucial factor to the understanding of this particular religious and therapeutic practice conducted by women. Following these ideas, our basic aim is to understand how the rezadeiras make interpretations about health and illness, specially those ones which are particular associated with their practices, the so called "doenças de rezadeiras"
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Tese (doutorado)—Universidade de Brasília, Instituto de Artes, Programa de Pós-Graduação em Artes, 2015.
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OBJECTIVE: The objective of this study was to compare the skeletal, dental and soft tissue characteristics of Caucasian and Afro-Caucasian Brazilian subjects with normal occlusion and to evaluate sexual dimorphism within the groups. MATERIAL AND METHODS: The sample comprised lateral cephalograms of untreated normal occlusion subjects, divided into 2 groups. Group 1 included 40 Caucasian subjects (20 of each sex), with a mean age of 13.02 years; group 2 included 40 Afro-Caucasian subjects (20 of each sex), with a mean age of 13.02 years. Groups 1 and 2 and males and females within each group were compared with t tests. RESULTS: Afro-Caucasian subjects presented greater maxillary protrusion, smaller upper anterior face height and lower posterior face height, larger upper posterior face height, greater maxillary and mandibular dentoalveolar protrusion as well as soft tissue protrusion than Caucasian subjects. The Afro-Caucasian female subjects had less mandibular protrusion and smaller total posterior facial height and upper posterior facial height than males. CONCLUSIONS: Brazilian Afro-Caucasian subjects have greater dentoalveolar and soft tissue protrusion than Brazilian Caucasian subjects, with slight sexual dimorphism in some variables.
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The genetic constitution of Afro-derived Brazilian populations is barely studied. To improve that knowledge, we investigated the AluYAP element and five Y-chromosome STRs (DYS19, DYS390, DYS391, DYS392, and DYS393) to estimate ethnic male contribution in the constitution of four Brazilian quilombos remnants: Mocambo, Rio das Ras, Kalunga, and Riacho de Sacutiaba. Results indicated significant differences among communities, corroborating historical information about the Brazilian settlement. We concluded that besides African contribution, there was a great European participation in the constitution of these four populations and that observed haplotype variability could be explained by gene flow to quilombos remnants and mutational events in microsatellites (STRs). Am. J. Hum. Biol. 21:354-356, 2009. (C) 2009 Wiley-Liss, Inc.
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Background: Brazilian Quilombos are Afro-derived communities founded mainly by fugitive slaves between the 16(th) and 19(th) centuries; they can be recognized today by ancestral and cultural characteristics. Each of these remnant communities, however, has its own particular history, which includes the migration of non-African derived people. Methods: The present work presents a proposal for the origin of the male founder in Brazilian quilombos based on Y-haplogroup distribution. Y haplogroups, based on 16 binary markers (92R7, SRY2627, SRY4064, SRY10831.1 and .2, M2, M3, M09, M34, M60, M89, M213, M216, P2, P3 and YAP), were analysed for 98 DNA samples from genetically unrelated men from three rural Brazilian Afro-derived communities-Mocambo, Rio das Ras and Kalunga-in order to estimate male geographic origin. Results: Data indicated significant differences among these communities. A high frequency of non-African haplogroups was observed in all communities. Conclusions: This observation suggested an admixture process that has occurred over generations and directional mating between European males and African female slaves that must have occurred on farms before the slaves escaped. This means that the admixture occurred before the slaves escaped and the foundation of the quilombo.
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Background: Celiac disease is an autoimmune disorder that occurs in genetically susceptible individuals in whom the ingestion of dietary gluten induces intestinal mucosa inflammation. Previous studies suggest that celiac disease may either be very rare or underdiagnosed in African and/or African-derived population. Aim: Determine the prevalence of celiac disease in Sub-Saharan African-derived Brazilian communities using serological screening. Subjects and methods: Inhabitants from 10 African-derived communities from Northeastern of Brazil were screened for celiac disease. All sera were tested for endomysial class IgA antibody using indirect immunofluorescence. Results: No positive test for IgA-endomysial was observed in the 860 individuals tested. Conclusion: Our data suggests a low prevalence of celiac disease in African-derived Brazilian populations. Am. J. Hum. Biol., 2012. (c) 2012 Wiley Periodicals, Inc.
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Este estudo foi elaborado a partir da proposta de fortalecimento das relações comunitárias entre a Universidade Federal do Espírito Santo e as comunidades jongueiras e caxambuzeiras. Destina-se a apresentar a pesquisa realizada em territórios negros sob a inspiração do Jongo e do Caxambu, reconhecidos como Patrimônio Imaterial do Brasil pelo Instituto do Patrimônio Histórico e Artístico Nacional (Iphan). A pesquisa foi desenvolvida no norte do Estado do Espírito Santo e tem como recurso analítico e conceitual estudos sobre etnicidade no campo da educação. Sua proposta é ampliar e constituir-se como base para a implementação da Lei nº. 10.639/2003, considerando a descrição das categorias religiosidade, territorialidade, memórias, cultura negra, cultura popular e tradição, com base nas narrativas dos sujeitos. Relaciona as práticas culturais do jongo e do caxambu como elementos importantes para a reconstrução da história do negro no Sudeste brasileiro. O tema de investigação foi construído sob a inspiração teórica dos estudos culturais referenciados em Stuart Hall (2008), Canclini (1997), Santos (2008, 2009), Certeau (2005) e na produção simbólica das interpretações sociais, das fronteiras étnicas para descrever as diferenças percebidas pelos sujeitos. Trabalhou-se basicamente propondo as múltiplas interpretações a partir do vivido. O estudo reforça a importância das africanidades na formação de professores e a discussão do Patrimônio Imaterial do Jongo como possibilidades de saberes-fazeres no campo do currículo escolar. Os caminhos da pesquisa partem de uma base etnográfica, conjugando a metodologia da história oral temática com a pesquisa participante e a pesquisa ação, interligando as memórias dos sujeitos, suas narrativas e vivências ao fazer pedagógico no cotidiano das comunidades. Ressalta a relação intercultural e territorial que identifica jongueiros e caxambuzeiros. Os resultados da pesquisa descrevem as condições dessas práticas, da visibilidade das políticas culturais, da produção das identidades jongueiras no norte do Estado do Espírito Santo, sob o ponto de vista dos sujeitos elencados.
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Apolipoprotein E (protein: apo E; gene: APOE) plays an important role in the multifactorial etiology of both Alzheimer's disease (AD) and lipid level concentrations. The polymerase chain reaction (PCR) was used to investigate the APOE gene polymorphism in 446 unrelated Caucasians, among them 23 AD patients, and 100 Afro-Brazilians living in Porto Alegre, Brazil. The frequencies of the APOE*2, APOE*3 and APOE*4 alleles were 0.075, 0.810 and 0.115 in Caucasians and 0.075, 0.700 and 0.225 in Afro-Brazilians, respectively (c2 = 8.72, P = 0.013). A highly significant association was observed between the APOE*4 allele and AD in this population-based sample. The APOE*4 frequency in AD patients (39%) was about four times higher than in the general Caucasian population (11.5%). The influence of each of the three common APOE alleles on lipid traits was evaluated by the use of the average excess statistic. The E*2 allele is associated with lower levels of triglycerides and of total and non-HDL cholesterol in both men and women. Conversely, the E*4 allele is associated with higher levels of these traits in women only. The effect of APOE alleles was of greater magnitude in women.
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Homozygous sickle cell disease (SCD) has a wide spectrum of clinical manifestations. In Brazil, the main cause of death of individuals with SCD is recurrent infection. The CCR5delta32 allele, which confers relative resistance to macrophage-tropic HIV virus infection, probably has reached its frequency and world distribution due to other pathogens that target macrophage in European populations. In the present investigation a relatively higher prevalence (5.1%) of the CCR5delta32 allele was identified, by PCR amplification using specific primers, in 79 SCD patients when compared to healthy controls (1.3%) with the same ethnic background (Afro-Brazilians). Based on a hypothesis that considers SCD as a chronic inflammatory condition, and since the CCR5 chemokine receptor is involved in directing a Th1-type immune response, we suggest that a Th1/Th2 balance can influence the morbidity of SCD. If the presence of the null CCR5delta32 allele results in a reduction of the chronic inflammation state present in SCD patients, this could lead to differential survival of SCD individuals who are carriers of the CCR5delta32 allele. This differential survival could be due to the development of less severe infections and consequently reduced or less severe vaso-occlusive crises.
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Fetal hemoglobin (HbF), encoded by the HBG2 and HBG1 genes, is the best-known genetic modulator of sickle cell anemia, varying dramatically in concentration in the blood of these patients. This variation is partially associated with polymorphisms located in the promoter region of the HBG2 and HBG1 genes. In order to explore known and unknown polymorphisms in these genes, the sequences of their promoter regions were screened in sickle cell anemia patients and correlated with both their HbF levels and their βS-globin haplotypes. Additionally, the sequences were compared with genes from 2 healthy groups, a reference one (N = 104) and an Afro-descendant one (N = 98), to identify polymorphisms linked to the ethnic background.The reference group was composed by healthy individuals from the general population. Four polymorphisms were identified in the promoter region of HBG2 and 8 in the promoter region of HBG1 among the studied groups. Four novel single nucleotide polymorphisms (SNP) located at positions -324, -317, -309 and -307 were identified in the reference group. A deletion located between -396 and -391 in the HBG2 promoter region and the SNP -271 C→T in the HBG1 promoter region were associated with the Central African Republic βS-globin haplotype. In contrast, the -369 C→G and 309 A→G SNPs in the HBG2 promoter region were correlated to the Benin haplotype. The polymorphisms -396_-391 del HBG2, -369 SNP HBG2 and -271 SNP HBG1 correlated with HbF levels. Hence, we suggest an important role of HBG2 and HBG1 gene polymorphisms on the HbF synthesis.
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ABSTRACT: The most common hemoglobinopathies, viz, hemoglobins S and C, and α-and β-thalassemias, were investigated through the molecular screening of 116 subjects from the community of Saracura, comprising fugitive African slaves from farms of the municipality of Santarém, in the west of Pará State, Brazilian Amazon. The observed frequency of the HBB*S gene (0.9%) was significantly lower than that encountered in other Afro-derived communities in the region. Concomitantly, the absence of the HBB*C allele has been reported for most of the Afro-Amazonian communities thus far studied. As remnant populations of quilombos are generally small, the heterogeneous distribution of HBB*S and HBB*C alleles among them is probably due to genetic drift and/or founder effect. The observed frequency of 3.7 kb deletion in Saracura (8.5%) was consistent with the African origin of the population, with a certain degree of local differentiation and admixture with individuals of Caucasian ancestry, placed in evidence by the occurrence of - -(MED) deletion (1.2%), a common mutation in Mediterranean regions. As regards f-thalassemia, among the seven different mutations found in Saracura, three βºand two β+ mutations were of Mediterranean origin, and two β+ of African. Thus, only 28% of the local β-thalassemia mutations found in Saracura were of African origin.
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Esta dissertação é o produto de um estudo analítico do livro de poemas Batuque, de Bruno de Menezes, com foco nas narrativas de memória. Tomam-se como referência as manifestações culturais de origem africana representadas no livro, em consonância com teorias pautadas sob uma ótica direcionada à conexão entre a subjetividade literária e a objetividade histórica, tendo como referência os conceitos de História Social, propostos por Peter Burke, a ideia de cultura de Terry Eagleton e a identidade cultural, de Stuart Hall. Esses instrumentos possibilitam a observação da presença africana como elemento de composição de uma identidade cultural na Amazônia, sob três aspectos: o primeiro, relacionado ao lirismo, demonstrado, sobretudo, nos poemas “Mãe Preta” e “Pai João”; o segundo, direcionado à musicalidade, observada em poemas como “Batuque” e “Alma e ritmo da raça”; e o terceiro versa sobre a religiosidade, apresentada em poemas como “Toiá Verequête” e “Oração da Cabra Preta”. Destes três aspectos, o que mais despertou nossa atenção foi a religiosidade, em especial quanto à relação entre sagrado e profano e à visão de bem e mal, muito evidentes na obra. Os resultados obtidos dão-nos a ideia de que, pela leitura das narrativas de memória do autor e de sua relação com o ambiente em que viveu, as influências do meio na criação artística do poeta e na produção de uma obra voltada para as manifestações culturais contribuem, significativamente, para a melhor compreensão da presença negra na cultura brasileira.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)