Article: Therapeutic efficacy of liposome-encapsulated ribavirin and muramyl tripeptide in experimental infection with influenza or herpes simplex virus.
The Journal of infectious diseases
1987 Volume 155, Issue 3, Page(s) 510–517
Abstract: ... with liposome-encapsulated or free MTP-PE had no detectable viremia and had lower pulmonary titers of virus ... muramyl tripeptide (MTP-PE) in the treatment of viral pneumonitis. Liposome-encapsulated MTP-PE (L-MTP-PE ... intranasal challenge with 10 LD50 (50% lethal dose) of herpes simplex virus type 1 (HSV-1). Mice treated ...
| Abstract | Large, negatively charged, multilamellar liposomes were examined for their ability to improve the therapeutic activity of the broad-spectrum antiviral agent ribavirin (RIB) and the synthetic immunostimulant muramyl tripeptide (MTP-PE) in the treatment of viral pneumonitis. Liposome-encapsulated MTP-PE (L-MTP-PE) was superior to free MTP-PE in activating alveolar macrophages and in protecting mice against intranasal challenge with 10 LD50 (50% lethal dose) of herpes simplex virus type 1 (HSV-1). Mice treated with liposome-encapsulated or free MTP-PE had no detectable viremia and had lower pulmonary titers of virus than controls. Liposome-encapsulated RIB (L-RIB; 3 mg per mouse), administered several hours after infection, was more effective than was free RIB (10 mg per mouse) in protecting mice against intranasal challenge with 10 LD50 of influenza virus, but neither L-RIB nor free RIB protected mice against HSV-1 infection. In contrast, combination therapy with both L-RIB and L-MTP-PE was more effective than either agent used alone. |
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| MeSH term(s) | Acetylmuramyl-Alanyl-Isoglutamine/analogs & derivatives ; Acetylmuramyl-Alanyl-Isoglutamine/therapeutic use ; Animals ; Drug Therapy, Combination ; Herpes Simplex/drug therapy ; Liposomes/administration & dosage ; Macrophage Activation ; Macrophages/immunology ; Mice ; Mice, Inbred C3H ; Orthomyxoviridae Infections/drug therapy ; Phagocytosis ; Pneumonia, Viral/drug therapy ; Ribavirin/therapeutic use ; Ribonucleosides/therapeutic use | ||||||||||
| Chemical Substances | Liposomes ; Ribonucleosides ; Ribavirin (49717AWG6K) ; Acetylmuramyl-Alanyl-Isoglutamine (53678-77-6) ; muramylNAc-Ala-isoGln-Lys-tripeptide (64374-58-9) | ||||||||||
| Language | English | ||||||||||
| Publishing date | 1987-03 | ||||||||||
| Publishing country | United States | ||||||||||
| Document type | Journal Article ; Research Support, U.S. Gov't, Non-P.H.S. | ||||||||||
| ZDB-ID | 3019-3 | ||||||||||
| ISSN | 1537-6613 ; 0022-1899 | ||||||||||
| ISSN (online) | 1537-6613 | ||||||||||
| ISSN | 0022-1899 | ||||||||||
| DOI | 10.1093/infdis/155.3.510 | ||||||||||
| Shelf mark |
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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