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| Content Provider | PubMed Central |
|---|---|
| Author | Banerjee, Antara De, Manjarika Ali, Nahid |
| Copyright Year | 2011 |
| Abstract | Visceral leishmaniasis (VL) caused by the parasite Leishmania donovani is a potentially fatal disease. Available limited drugs are toxic, require prolonged treatment duration, and are costly. A low-cost parenteral formulation of paromomycin sulfate (PM) has recently been approved for the treatment of VL. Monotherapy with PM runs the risk of development of resistance. Hence, efforts are needed to develop a combination therapy of PM with other drugs to shorten the duration of treatment and prolong the effective life of the drug. PM was formulated with leishmanicidal stearylamine (SA)-bearing phosphatidylcholine (PC) liposomes for low-dose therapy. In vitro and in vivo antileishmanial effects of the combination drug were determined. The immunomodulatory role of PC-SA-PM was determined using enzyme-linked immunosorbent assay (ELISA) and flow cytometry. Excluding the spleen, for which the therapeutic effect was additive, a remarkable synergistic activity toward cure and prophylaxis with a single-shot low-dose treatment with PC-SA-associated PM was achieved with BALB/c mice. PC-SA-PM showed an immunomodulatory effect on CD4+ and CD8+ T cells for gamma interferon (IFN-γ) production and downregulated disease-associated interleukin-10 (IL-10) and transforming growth factor β (TGF-β) to almost negligible levels. Such combination chemotherapy may provide a promising alternative for the cure of leishmaniasis, with a plausible conversion of the host immune response from a disease-promoting pattern to a Th1-biased response indicative of long-term resistance. |
| Related Links | http://dx.doi.org/10.1128/aac.00524-10 |
| Ending Page | 1670 |
| Page Count | 10 |
| Starting Page | 1661 |
| File Format | |
| ISSN | 00664804 |
| e-ISSN | 10986596 |
| Journal | Antimicrobial Agents and Chemotherapy |
| Issue Number | 4 |
| Volume Number | 55 |
| Language | English |
| Publisher | American Society for Microbiology (ASM) |
| Publisher Date | 2011-04-01 |
| Access Restriction | Open |
| Rights Holder | American Society for Microbiology (ASM) |
| Subject Keyword | Pharmacology (medical) Pharmacology Infectious Diseases Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Infectious Diseases Pharmacology Pharmacology (medical) |
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