Apoptosis as a possible mechanism of infertility in Echinococcus granulosus hydatid cysts

R. Paredes, V. Jiménez, G. Cabrera, D. Iragüen, N. Galanti

Resultado de la investigación: Article

31 Citas (Scopus)

Resumen

Echinococcus granulosus is a parasitic cestode causing hydatidosis in intermediate hosts (human and herbivorous). Most symptoms of the disease occur by the pressure exerted on viscera by cysts that are formed upon ingestion of the parasite eggs excreted by definitive hosts (canines). Protoscoleces, the developmental form of the parasite infective to definitive hosts, are formed in the germinal nucleated layer of fertile hydatid cysts. For unknown reasons, some cysts are unable to produce protoscoleces (infertile hydatid cysts). In this study, analysis of DNA fragmentation using TUNEL and agarose gel electrophoresis showed higher levels of apoptosis in infertile cysts as compared to fertile cysts. Additionally, caspase 3 was detected both in fertile and infertile cysts; the activity of this enzyme was found to be higher in infertile cysts. We conclude that apoptosis may be involved in hydatid cyst infertility. This is the first report on the presence of programmed cell death in E. granulosus.

Idioma originalEnglish
Páginas (desde-hasta)1200-1209
Número de páginas10
PublicaciónJournal of Cellular Biochemistry
Volumen100
N.º5
DOI
EstadoPublished - 1 abr 2007

Huella dactilar

Echinococcus granulosus
Echinococcosis
Infertility
Cysts
Apoptosis
Cell death
Electrophoresis
Caspase 3
Sepharose
Gels
DNA
Parasites
Enzymes
Cestoda
Viscera
Agar Gel Electrophoresis
In Situ Nick-End Labeling
DNA Fragmentation
Eggs
Canidae

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Citar esto

Paredes, R. ; Jiménez, V. ; Cabrera, G. ; Iragüen, D. ; Galanti, N. / Apoptosis as a possible mechanism of infertility in Echinococcus granulosus hydatid cysts. En: Journal of Cellular Biochemistry. 2007 ; Vol. 100, N.º 5. pp. 1200-1209.
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Apoptosis as a possible mechanism of infertility in Echinococcus granulosus hydatid cysts. / Paredes, R.; Jiménez, V.; Cabrera, G.; Iragüen, D.; Galanti, N.

En: Journal of Cellular Biochemistry, Vol. 100, N.º 5, 01.04.2007, p. 1200-1209.

Resultado de la investigación: Article

TY - JOUR

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AU - Paredes, R.

AU - Jiménez, V.

AU - Cabrera, G.

AU - Iragüen, D.

AU - Galanti, N.

PY - 2007/4/1

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N2 - Echinococcus granulosus is a parasitic cestode causing hydatidosis in intermediate hosts (human and herbivorous). Most symptoms of the disease occur by the pressure exerted on viscera by cysts that are formed upon ingestion of the parasite eggs excreted by definitive hosts (canines). Protoscoleces, the developmental form of the parasite infective to definitive hosts, are formed in the germinal nucleated layer of fertile hydatid cysts. For unknown reasons, some cysts are unable to produce protoscoleces (infertile hydatid cysts). In this study, analysis of DNA fragmentation using TUNEL and agarose gel electrophoresis showed higher levels of apoptosis in infertile cysts as compared to fertile cysts. Additionally, caspase 3 was detected both in fertile and infertile cysts; the activity of this enzyme was found to be higher in infertile cysts. We conclude that apoptosis may be involved in hydatid cyst infertility. This is the first report on the presence of programmed cell death in E. granulosus.

AB - Echinococcus granulosus is a parasitic cestode causing hydatidosis in intermediate hosts (human and herbivorous). Most symptoms of the disease occur by the pressure exerted on viscera by cysts that are formed upon ingestion of the parasite eggs excreted by definitive hosts (canines). Protoscoleces, the developmental form of the parasite infective to definitive hosts, are formed in the germinal nucleated layer of fertile hydatid cysts. For unknown reasons, some cysts are unable to produce protoscoleces (infertile hydatid cysts). In this study, analysis of DNA fragmentation using TUNEL and agarose gel electrophoresis showed higher levels of apoptosis in infertile cysts as compared to fertile cysts. Additionally, caspase 3 was detected both in fertile and infertile cysts; the activity of this enzyme was found to be higher in infertile cysts. We conclude that apoptosis may be involved in hydatid cyst infertility. This is the first report on the presence of programmed cell death in E. granulosus.

KW - Apoptosis

KW - Cyst infertility

KW - E. granulosus

KW - Hydatid cyst

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