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Iranian Journal of Microbiology، جلد ۱۲، شماره ۵، صفحات ۴۱۷-۴۲۳
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عنوان انگلیسی Evaluation of immunological responses against outer membrane vesicles (OMV) of nontypeable Haemophilus influenzae using MPLA-CpG adjuvant as a vaccine candidate
چکیده انگلیسی مقاله Background and Objectives: Nontypeable Haemophilus influenzae (NTHi) are major causes of non-invasive infections, including otitis media and sinusitis and it can also contribute to respiratory infections of all ages. Currently, there is no licensed vaccine against NTHi commercially available. Many studies have been conducted on the use of OMV as a vaccine against NTHi. The purpose of this study is to achieve an immunogenic vaccine against NTHi. Materials and Methods: In this study, standard OMV Haemophilus (ATCC49766) with adjuncts CpG and MPLA was used and after infusion into BALB/c mice, the levels of antibodies and cytokines were measured on serum of immunized mice. Results: The results showed that total IgG antibody and IgG1 and IgG2a isotypes in OMV immunized mice with mixture of CpG-MPLA adjuvant had a significant increase. Also, the results of cytokines (IL-10, IL-4 and IFN-γ) showed that IL-4 had the highest rate. Conclusion: These findings indicate that OMVs derived from NTHi strains have a high potential to act as a vaccine against NTHi infections.
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نویسندگان مقاله | Ava Behrouzi
Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran


| Reza Arabi Mianroodi
Department of R&D, Research and Production Complex, Pasteur Institute of Iran, Tehran, Iran


| Parviz Afrough
Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran


| Ahmad Ayadi
Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran


| Amirarsalan Serajian
Department of Health Education, ACECR, Khuzestan, Ahvaz, Iran
نشانی اینترنتی https://ijm.tums.ac.ir/index.php/ijm/article/view/2049
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