Effect of immunosuppressive drug regimens on acute and chronic murine toxoplasmosis
Abstract To evaluate the potential risk of dissemination or reactivation of toxoplasmosis following the administration of immunosuppressive therapy we examined the effect of corticoids, azathioprine, and cyclosporine given alone or in combination on the course of murine acute and chronic toxoplasmi...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1996 |
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| Umfang: |
6 |
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| Reproduktion: |
Springer Online Journal Archives 1860-2002 |
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| Übergeordnetes Werk: |
volume:82 ; year:1996 ; month:08 ; pages:681-686 ; extent:6 |
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| 520 | |a Abstract To evaluate the potential risk of dissemination or reactivation of toxoplasmosis following the administration of immunosuppressive therapy we examined the effect of corticoids, azathioprine, and cyclosporine given alone or in combination on the course of murine acute and chronic toxoplasmic infection. Swiss Webster mice were infected perorally with a high-level inoculum of cysts of the C strain of Toxoplasma gondii. The evolution of the kinetics of parasite loads in the blood, brain, and lungs of infected and immunosuppressed mice was then sequentially followed. In mice with orally acquired infections initiated 2 days after the beginning of drug treatment, immunosuppression led to the persistence of parasites, especially in the lungs, which was most marked in mice treated with azathioprine and/or cortisol acetate. Administration of immunosuppressive therapy in mice previously infected with T. gondii resulted in a brief resurgence of parasite loads when treatment was started early after infection. Finally, under our experimental conditions we found that the immunosuppressive drugs that were given altered the natural course of infection with a prolonged persistence of parasites in the lungs but did not significantly affect parasite loads in the brain or lead to disseminated infection with detectable parasitemia. | ||
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(DE-627)NLEJ205420990 DE-627 ger DE-627 rakwb eng Effect of immunosuppressive drug regimens on acute and chronic murine toxoplasmosis 1996 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract To evaluate the potential risk of dissemination or reactivation of toxoplasmosis following the administration of immunosuppressive therapy we examined the effect of corticoids, azathioprine, and cyclosporine given alone or in combination on the course of murine acute and chronic toxoplasmic infection. Swiss Webster mice were infected perorally with a high-level inoculum of cysts of the C strain of Toxoplasma gondii. The evolution of the kinetics of parasite loads in the blood, brain, and lungs of infected and immunosuppressed mice was then sequentially followed. In mice with orally acquired infections initiated 2 days after the beginning of drug treatment, immunosuppression led to the persistence of parasites, especially in the lungs, which was most marked in mice treated with azathioprine and/or cortisol acetate. Administration of immunosuppressive therapy in mice previously infected with T. gondii resulted in a brief resurgence of parasite loads when treatment was started early after infection. Finally, under our experimental conditions we found that the immunosuppressive drugs that were given altered the natural course of infection with a prolonged persistence of parasites in the lungs but did not significantly affect parasite loads in the brain or lead to disseminated infection with detectable parasitemia. Springer Online Journal Archives 1860-2002 Sumyuen, Marie Hélène oth Garin, Yves Jean François oth Derouin, F. oth volume:82 year:1996 month:08 pages:681-686 extent:6 http://dx.doi.org/10.1007/s004360050185 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 82 1996 8 681-686 6 |
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(DE-627)NLEJ205420990 DE-627 ger DE-627 rakwb eng Effect of immunosuppressive drug regimens on acute and chronic murine toxoplasmosis 1996 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract To evaluate the potential risk of dissemination or reactivation of toxoplasmosis following the administration of immunosuppressive therapy we examined the effect of corticoids, azathioprine, and cyclosporine given alone or in combination on the course of murine acute and chronic toxoplasmic infection. Swiss Webster mice were infected perorally with a high-level inoculum of cysts of the C strain of Toxoplasma gondii. The evolution of the kinetics of parasite loads in the blood, brain, and lungs of infected and immunosuppressed mice was then sequentially followed. In mice with orally acquired infections initiated 2 days after the beginning of drug treatment, immunosuppression led to the persistence of parasites, especially in the lungs, which was most marked in mice treated with azathioprine and/or cortisol acetate. Administration of immunosuppressive therapy in mice previously infected with T. gondii resulted in a brief resurgence of parasite loads when treatment was started early after infection. Finally, under our experimental conditions we found that the immunosuppressive drugs that were given altered the natural course of infection with a prolonged persistence of parasites in the lungs but did not significantly affect parasite loads in the brain or lead to disseminated infection with detectable parasitemia. Springer Online Journal Archives 1860-2002 Sumyuen, Marie Hélène oth Garin, Yves Jean François oth Derouin, F. oth volume:82 year:1996 month:08 pages:681-686 extent:6 http://dx.doi.org/10.1007/s004360050185 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 82 1996 8 681-686 6 |
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(DE-627)NLEJ205420990 DE-627 ger DE-627 rakwb eng Effect of immunosuppressive drug regimens on acute and chronic murine toxoplasmosis 1996 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract To evaluate the potential risk of dissemination or reactivation of toxoplasmosis following the administration of immunosuppressive therapy we examined the effect of corticoids, azathioprine, and cyclosporine given alone or in combination on the course of murine acute and chronic toxoplasmic infection. Swiss Webster mice were infected perorally with a high-level inoculum of cysts of the C strain of Toxoplasma gondii. The evolution of the kinetics of parasite loads in the blood, brain, and lungs of infected and immunosuppressed mice was then sequentially followed. In mice with orally acquired infections initiated 2 days after the beginning of drug treatment, immunosuppression led to the persistence of parasites, especially in the lungs, which was most marked in mice treated with azathioprine and/or cortisol acetate. Administration of immunosuppressive therapy in mice previously infected with T. gondii resulted in a brief resurgence of parasite loads when treatment was started early after infection. Finally, under our experimental conditions we found that the immunosuppressive drugs that were given altered the natural course of infection with a prolonged persistence of parasites in the lungs but did not significantly affect parasite loads in the brain or lead to disseminated infection with detectable parasitemia. Springer Online Journal Archives 1860-2002 Sumyuen, Marie Hélène oth Garin, Yves Jean François oth Derouin, F. oth volume:82 year:1996 month:08 pages:681-686 extent:6 http://dx.doi.org/10.1007/s004360050185 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 82 1996 8 681-686 6 |
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(DE-627)NLEJ205420990 DE-627 ger DE-627 rakwb eng Effect of immunosuppressive drug regimens on acute and chronic murine toxoplasmosis 1996 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract To evaluate the potential risk of dissemination or reactivation of toxoplasmosis following the administration of immunosuppressive therapy we examined the effect of corticoids, azathioprine, and cyclosporine given alone or in combination on the course of murine acute and chronic toxoplasmic infection. Swiss Webster mice were infected perorally with a high-level inoculum of cysts of the C strain of Toxoplasma gondii. The evolution of the kinetics of parasite loads in the blood, brain, and lungs of infected and immunosuppressed mice was then sequentially followed. In mice with orally acquired infections initiated 2 days after the beginning of drug treatment, immunosuppression led to the persistence of parasites, especially in the lungs, which was most marked in mice treated with azathioprine and/or cortisol acetate. Administration of immunosuppressive therapy in mice previously infected with T. gondii resulted in a brief resurgence of parasite loads when treatment was started early after infection. Finally, under our experimental conditions we found that the immunosuppressive drugs that were given altered the natural course of infection with a prolonged persistence of parasites in the lungs but did not significantly affect parasite loads in the brain or lead to disseminated infection with detectable parasitemia. Springer Online Journal Archives 1860-2002 Sumyuen, Marie Hélène oth Garin, Yves Jean François oth Derouin, F. oth volume:82 year:1996 month:08 pages:681-686 extent:6 http://dx.doi.org/10.1007/s004360050185 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 82 1996 8 681-686 6 |
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(DE-627)NLEJ205420990 DE-627 ger DE-627 rakwb eng Effect of immunosuppressive drug regimens on acute and chronic murine toxoplasmosis 1996 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract To evaluate the potential risk of dissemination or reactivation of toxoplasmosis following the administration of immunosuppressive therapy we examined the effect of corticoids, azathioprine, and cyclosporine given alone or in combination on the course of murine acute and chronic toxoplasmic infection. Swiss Webster mice were infected perorally with a high-level inoculum of cysts of the C strain of Toxoplasma gondii. The evolution of the kinetics of parasite loads in the blood, brain, and lungs of infected and immunosuppressed mice was then sequentially followed. In mice with orally acquired infections initiated 2 days after the beginning of drug treatment, immunosuppression led to the persistence of parasites, especially in the lungs, which was most marked in mice treated with azathioprine and/or cortisol acetate. Administration of immunosuppressive therapy in mice previously infected with T. gondii resulted in a brief resurgence of parasite loads when treatment was started early after infection. Finally, under our experimental conditions we found that the immunosuppressive drugs that were given altered the natural course of infection with a prolonged persistence of parasites in the lungs but did not significantly affect parasite loads in the brain or lead to disseminated infection with detectable parasitemia. Springer Online Journal Archives 1860-2002 Sumyuen, Marie Hélène oth Garin, Yves Jean François oth Derouin, F. oth volume:82 year:1996 month:08 pages:681-686 extent:6 http://dx.doi.org/10.1007/s004360050185 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 82 1996 8 681-686 6 |
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Abstract To evaluate the potential risk of dissemination or reactivation of toxoplasmosis following the administration of immunosuppressive therapy we examined the effect of corticoids, azathioprine, and cyclosporine given alone or in combination on the course of murine acute and chronic toxoplasmic infection. Swiss Webster mice were infected perorally with a high-level inoculum of cysts of the C strain of Toxoplasma gondii. The evolution of the kinetics of parasite loads in the blood, brain, and lungs of infected and immunosuppressed mice was then sequentially followed. In mice with orally acquired infections initiated 2 days after the beginning of drug treatment, immunosuppression led to the persistence of parasites, especially in the lungs, which was most marked in mice treated with azathioprine and/or cortisol acetate. Administration of immunosuppressive therapy in mice previously infected with T. gondii resulted in a brief resurgence of parasite loads when treatment was started early after infection. Finally, under our experimental conditions we found that the immunosuppressive drugs that were given altered the natural course of infection with a prolonged persistence of parasites in the lungs but did not significantly affect parasite loads in the brain or lead to disseminated infection with detectable parasitemia. |
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Abstract To evaluate the potential risk of dissemination or reactivation of toxoplasmosis following the administration of immunosuppressive therapy we examined the effect of corticoids, azathioprine, and cyclosporine given alone or in combination on the course of murine acute and chronic toxoplasmic infection. Swiss Webster mice were infected perorally with a high-level inoculum of cysts of the C strain of Toxoplasma gondii. The evolution of the kinetics of parasite loads in the blood, brain, and lungs of infected and immunosuppressed mice was then sequentially followed. In mice with orally acquired infections initiated 2 days after the beginning of drug treatment, immunosuppression led to the persistence of parasites, especially in the lungs, which was most marked in mice treated with azathioprine and/or cortisol acetate. Administration of immunosuppressive therapy in mice previously infected with T. gondii resulted in a brief resurgence of parasite loads when treatment was started early after infection. Finally, under our experimental conditions we found that the immunosuppressive drugs that were given altered the natural course of infection with a prolonged persistence of parasites in the lungs but did not significantly affect parasite loads in the brain or lead to disseminated infection with detectable parasitemia. |
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Abstract To evaluate the potential risk of dissemination or reactivation of toxoplasmosis following the administration of immunosuppressive therapy we examined the effect of corticoids, azathioprine, and cyclosporine given alone or in combination on the course of murine acute and chronic toxoplasmic infection. Swiss Webster mice were infected perorally with a high-level inoculum of cysts of the C strain of Toxoplasma gondii. The evolution of the kinetics of parasite loads in the blood, brain, and lungs of infected and immunosuppressed mice was then sequentially followed. In mice with orally acquired infections initiated 2 days after the beginning of drug treatment, immunosuppression led to the persistence of parasites, especially in the lungs, which was most marked in mice treated with azathioprine and/or cortisol acetate. Administration of immunosuppressive therapy in mice previously infected with T. gondii resulted in a brief resurgence of parasite loads when treatment was started early after infection. Finally, under our experimental conditions we found that the immunosuppressive drugs that were given altered the natural course of infection with a prolonged persistence of parasites in the lungs but did not significantly affect parasite loads in the brain or lead to disseminated infection with detectable parasitemia. |
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