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1.
Hist. ciênc. saúde-Manguinhos ; 22(1): 179-200, Jan-Mar/2015.
Article Dans Anglais | LILACS, BDS | ID: lil-741513

Résumé

This article examines the politics of midwifery and the persecution of untitled female assistants in childbirth in early republican Peru. A close reading of late colonial publications and the works of Benita Paulina Cadeau Fessel, a French obstetriz director of a midwifery school in Lima, demonstrates both trans-Atlantic and local influences in the campaign against untitled midwives. Cadeau Fessel's efforts to promote midwifery built upon debates among writers in Peru's enlightened press, who vilified untrained midwives' and wet nurses' vernacular medical knowledge and associated them with Lima's underclass. One cannot understand the transfer of French knowledge about professional midwifery to Peru without reference to the social, political, and cultural context.


Este artigo analisa as políticas de práticas de parteiras profissionais e a condenação de parteiras leigas nos primórdios do Peru republicano. A leitura atenta de publicações de fins do período colonial e dos trabalhos de Benita Paulina Cadeau Fessel, obstetriz francesa diretora de uma escola de parteiras em Lima, revela influência tanto transatlântica como local na campanha contra as parteiras sem titulação. Cadeau Fessel promovia seu ofício com base em debates veiculados na imprensa peruana ilustrada, que aviltavam o conhecimento tradicional de amas de leite e parteiras leigas e as associavam às classes desfavorecidas. Só é possível compreender a transferência do conhecimento francês sobre trabalho de parteiras profissionais para o Peru relacionando-a ao contexto social, político e cultural.


Sujets)
Animaux , Mâle , Antiparkinsoniens/pharmacologie , Curcumine/pharmacologie , Hippocampe/effets des médicaments et des substances chimiques , Neuroprotecteurs/pharmacologie , Oxidopamine , Syndromes parkinsoniens/traitement médicamenteux , Comportement animal/effets des médicaments et des substances chimiques , Facteur neurotrophique dérivé du cerveau/métabolisme , Cytoprotection , Modèles animaux de maladie humaine , Relation dose-effet des médicaments , Dopamine/métabolisme , Hippocampe/métabolisme , Hippocampe/anatomopathologie , Régénération nerveuse/effets des médicaments et des substances chimiques , Norépinéphrine/métabolisme , Syndromes parkinsoniens/induit chimiquement , Syndromes parkinsoniens/métabolisme , Syndromes parkinsoniens/anatomopathologie , Syndromes parkinsoniens/psychologie , /métabolisme , Rat Sprague-Dawley , Récepteur trkB/métabolisme , Transduction du signal/effets des médicaments et des substances chimiques
2.
Indian J Exp Biol ; 2013 May; 51(5): 357-362
Article Dans Anglais | IMSEAR | ID: sea-147602

Résumé

Degeneration of dopamine (DA)-containing neurons in the substantia nigra of the midbrain causes Parkinson's disease (PD). Although neuroinflammatory response of the brain has long been speculated to play a role in the pathogenesis of this neurological disorder, the mechanism is still poorly understood. The aim of the present study was to examine the effect of epigallocatechin-3-gallate (EGCG) in prevention of inflammatory mediators release and protection of dopaminergic neurons from lipopolysaccharide (LPS)-induced neurotoxicity. A single intraperitoneal injection of LPS (15 mg/kg) in male Sprague Dawley rats resulted in an increase of midbrain content of TNF-α, NO and a decrease of DA level at 4, 24 h, 3 and 7 days compared to the control. In addition, LPS reduced the number and the density of tyrosine hydroxylase-immunoreactive (TH-ir) neurons in the midbrain at 7 days. Pretreatment with EGCG (10 mg/kg) 24 h before LPS for 7 days decreased TNF-α and NO compared to LPS-treated rats. Moreover, it increased DA level and preserved the number and the density of TH-ir neurons compared to LPS group. In conclusion, EGCG was found to have a potential therapeutic effect against LPS-induced neurotoxicity via reducing TNF-α and NO inflammatory mediators and preserving DA level in midbrain.


Sujets)
Animaux , Catéchine/analogues et dérivés , Catéchine/pharmacologie , Dopamine/métabolisme , Médiateurs de l'inflammation/métabolisme , Lipopolysaccharides/pharmacologie , Mâle , Syndromes parkinsoniens/induit chimiquement , Syndromes parkinsoniens/métabolisme , Rats , Rat Sprague-Dawley
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