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1.
Hist. ciênc. saúde-Manguinhos ; 21(4): 1437-1455, Oct-Dec/2014.
Article Dans Anglais | LILACS | ID: lil-732514

Résumé

In 1915 the Rockefeller Foundation took its hookworm eradication campaign to Suriname, but was soon disappointed because of opposition from its main target group: the Javanese. Moreover, authorities and planters objected to the construction of latrines because of the costs and their belief that the Javanese were “unhygienic”. In describing the labor migration from Java to Suriname, I show that this “lack of hygiene” was closely related to the system’s organization. I argue that uncleanliness was the consequence of harmful socio-economic and ecological conditions. Secondly I suggest that even though the Foundation did not manage to cleanse Suriname of hookworm, its educational efforts, its emphasis on prevention, and its training of local health workers probably had more impact than Rockefeller officials thought.


Em 1915, a Fundação Rockefeller levou sua campanha de erradicação da ancilostomíase ao Suriname, logo sofrendo a oposição de seu principal alvo, os javaneses. Autoridades e proprietários rurais também reagiram à instalação de latrinas devido aos custos implicados e à crença de que os javaneses eram “anti-higiênicos”. Ao descrever a migração de trabalhadores de Java para o Suriname, mostro que a “falta de higiene” ligava-se à organização do sistema. Argumento que a sujeira era consequência de condições ecológicas e socioeconômicas danosas. Sugiro ainda que, embora a Fundação não tenha livrado o Suriname da anciolostomíase, seus esforços educacionais, sua ênfase na prevenção e o treinamento de profissionais de saúde locais tiveram maior impacto do que o imaginado pelos funcionários da agência norte-americana.


Sujets)
Animaux , Mâle , Souris , Rats , Analgésiques/pharmacologie , Dimaprit/analogues et dérivés , Antienzymes/pharmacologie , Antifoliques/pharmacologie , Agonistes histaminergiques/pharmacologie , Histamine N-methyltransferase/antagonistes et inhibiteurs , Pyrimidines/pharmacologie , Analgésiques/administration et posologie , Relation dose-effet des médicaments , Dimaprit/administration et posologie , Dimaprit/pharmacologie , Antienzymes/administration et posologie , Antifoliques/administration et posologie , Agonistes histaminergiques/administration et posologie , Injections ventriculaires , Méthylhistamines/pharmacologie , Contraction musculaire/effets des médicaments et des substances chimiques , Mesure de la douleur/effets des médicaments et des substances chimiques , Équilibre postural/effets des médicaments et des substances chimiques , Performance psychomotrice/effets des médicaments et des substances chimiques , Pyrimidines/administration et posologie , Pyrimidines/antagonistes et inhibiteurs , Rat Wistar
2.
Allergy, Asthma & Immunology Research ; : 31-36, 2012.
Article Dans Anglais | WPRIM | ID: wpr-177733

Résumé

PURPOSE: Histamine N-methyltransferase (HNMT) catalyzes one of two major histamine metabolic pathways. Histamine is a mediator of pruritus in atopic dermatitis (AD). The aim of this study was to evaluate the association between HNMT polymorphisms and AD in children. METHODS: We genotyped 763 Korean children for allelic determinants at four polymorphic sites in the HNMT gene: -465T>C, -413C>T, 314C>T, and 939A>G. Genotyping was performed using a TaqMan fluorogenic 5' nuclease assay. The functional effect of the 939A>G polymorphism was analyzed. RESULTS: Of the 763 children, 520 had eczema and 542 had atopy. Distributions of the genotype and allele frequencies of the HNMT 314C>T polymorphism were significantly associated with non-atopic eczema (P=0.004), and those of HNMT 939A>G were significantly associated with eczema in the atopy groups (P=0.048). Frequency distributions of HNMT -465T>C and -413C>T were not associated with eczema. Subjects who were AA homozygous or AG heterozygous for 939A>G showed significantly higher immunoglobulin E levels than subjects who were GG homozygous (P=0.009). In U937 cells, the variant genotype reporter construct had significantly higher mRNA stability (P<0.001) and HNMT enzyme activity (P<0.001) than the common genotype. CONCLUSIONS: Polymorphisms in HNMT appear to confer susceptibility to AD in Korean children.


Sujets)
Enfant , Humains , Eczéma atopique , Eczéma , Fréquence d'allèle , Génotype , Histamine , Histamine N-methyltransferase , Immunoglobuline E , Immunoglobulines , Voies et réseaux métaboliques , Prurit , Stabilité de l'ARN , Cellules U937
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