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1.
The Korean Journal of Parasitology ; : 273-280, 2014.
Article in English | WPRIM | ID: wpr-207958

ABSTRACT

The changing patterns of goblet cell hyperplasia, intestinal epithelial cell turnover, and intestinal motility were studied in ICR and C57BL/6 mice infected with Gymnophalloides seoi (Digenea: Gymnophallidae). Whereas ICR mice retained G. seoi worms until day 7 post-infection (PI), C57BL/6 mice showed a rapid worm expulsion within day 3 PI. Immunosuppression with Depo-Medrol significantly delayed the worm expulsion in C57BL/6 mice. Goblet cell counts were increased in both strains of mice, peaking at day 1 PI in C57BL/6 mice and slowly increasing until day 7 PI in ICR mice. In C57BL/6 mice infected with G. seoi, newly proliferating intestinal epithelial cells were remarkably increased in the crypt, and the increase was the highest at day 1 PI. However, in ICR mice, newly proliferating intestinal epithelial cells increased slowly from day 1 to day 7 PI. Intestinal motility was increased in G. seoi-infected mice, and its chronological pattern was highly correlated with the worm load in both strains of mice. Meanwhile, immunosuppression of C57BL/6 mice abrogated the goblet cell proliferation, reduced the epithelial cell proliferation, and suppressed the intestinal motility. Goblet cell hyperplasia, increased intestinal epithelial cell turnover, and increased intestinal motility should be important mucosal defense mechanisms in G. seoi-infected C57BL/6 mice.


Subject(s)
Animals , Male , Cell Proliferation , Disease Models, Animal , Epithelial Cells/physiology , Gastrointestinal Motility , Helminthiasis/physiopathology , Hyperplasia , Intestinal Diseases, Parasitic/physiopathology , Intestinal Mucosa/physiopathology , Mice, Inbred C57BL , Mice, Inbred ICR , Trematode Infections/physiopathology
2.
J. bras. med ; 82(3): 38-42, mar. 2002. ilus
Article in Portuguese | LILACS | ID: lil-314080

ABSTRACT

Com o evoluir da Medicina, inúmeras técnicas, métodos de diagnóstico e tratamento foram surgindo para as novas doenças constantemente descobertas. E, nessa realidade, com freqüência deparamo-nos com médicos capazes de tratar doenças complexas, com tecnologias modernas. Porém muitos se esquecem de considerar doenças básicas da comunidade, como é o caso das parasitoses intestinais, uma realidade brasileira que, embora prevalecente nas camadas socioeconomicamente menos favorecidas, afeta todos os níveis sociais. A finalidade deste artigo é promover uma revisão bibliográfica sobre o tema e abordar as principais parasitoses, dando subsídio ao diagnóstico, e, principalmente, frisar a conscientização da necessidade das medidas preventivas


Subject(s)
Humans , Amebiasis/physiopathology , Amebiasis/therapy , Ancylostomiasis/physiopathology , Ancylostomiasis/therapy , Ascaridiasis/physiopathology , Ascaridiasis/therapy , Parasitic Diseases/classification , Parasitic Diseases/therapy , Strongyloidiasis/therapy , Giardiasis/physiopathology , Giardiasis/therapy , Oxyuriasis/physiopathology , Oxyuriasis/therapy , Schistosomiasis , Taeniasis/physiopathology , Taeniasis/therapy , Trichuriasis/therapy , Anthelmintics/administration & dosage , Helminthiasis/physiopathology , Helminthiasis/therapy
3.
J. bras. med ; 77(1): 496l56-jul. 1999. tab
Article in Portuguese | LILACS | ID: lil-314114

ABSTRACT

A diarréia é um eventos freqüente em pacientes imunodeprimidos. Tem características próprias, diferentes daquelas exibidas em imunocompetentes. Nos pacientes com vírus da imunodeficiência adquirida, diversos agentes etiológicos causam infecção e disfunção do sistema digestivo, de modo semelhantes aos receptores de transplantes, pacientes em uso de drogas imunossupressoras, portadores de doenças crônicas e idosos. O artigo expõe a visão atual sobre etiologia, evolução e terapêutica da diarréia na depressão imunológica


Subject(s)
Humans , Diarrhea/etiology , AIDS-Related Opportunistic Infections/physiopathology , Acquired Immunodeficiency Syndrome/complications , Helminthiasis/physiopathology
5.
Indian J Exp Biol ; 1985 May; 23(5): 279-80
Article in English | IMSEAR | ID: sea-63229
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