Role of imiquimod as adjuvant for vaccination against Leishmania major infection in BALB/c mice
Publish Year: 1392
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JMMI-1-1_005
تاریخ نمایه سازی: 29 بهمن 1402
Abstract:
Various adjuvants in combination with different antigens have been utilized as a vaccine candidate against leishmaniasis. However, the search for ideal adjuvants is still pursued due to the inefficiencies of current compounds. In the present study, the effect of imiquimod, as an adjuvant, is studied with soluble Leishmania antigens (SLA) in BALB/c mice. Four groups of mice were immunized with SLA, SLA plus imiquimod, SLA plus BCG, and PBS as control. Immunized mice received a boosting dose of SLA after ۱۵ days. All groups were challenged with Leishmania major (L. major) promastigotes ۲ weeks after the booster immunization. Our results showed that strong TH۱ responses were induced in groups of SLA plus imiquimod as well as SLA plus BCGafter immunization. These responses included smaller footpad thickness, lower parasite load in lymph node, and higher proliferative response of lymph node cells to SLA, higher levels of interferon ;gamma in culture supernatant of lymph node cells, and higher levels of IgG, and IgG۲a in sera. The data supports the possibility of using imiquimod as a suitable adjuvant in leishmania vaccination.
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Authors
Faramarz Dobakhti
School of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran
Ghader Khalili
Immunology Department, Pasteur Institute of Iran, Tehran, Iran
Hamid Mahmoudzadeh Niknam
Immunology Department, Pasteur Institute of Iran, Tehran, Iran
Vahid Khaze
Immunology Department, Pasteur Institute of Iran, Tehran, Iran
Fatemeh Partovi
Faculty of Public Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Taraneh Naghibi Mahmoodabadi
School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
Shahriar Aalinejad
Kasra Hospital, Tehran, Iran
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