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Murine cMV expressing the high affnity nKg2D ligand MUlT-1: a Model for the Development of cytomegalovirus-Based Vaccines


Hirši, Lea; Brizić, Ilija; Jenuš, Tina; Juranić Lisnić, Vanda; Reichel, Johanna Julia; Jurković, Slaven; Krmpotić, Astrid; Jonjić, Stipan
Murine cMV expressing the high affnity nKg2D ligand MUlT-1: a Model for the Development of cytomegalovirus-Based Vaccines // Frontiers in Immunology, 9 (2018), 991, 12 doi:10.3389/fimmu.2018.00991 (međunarodna recenzija, članak, znanstveni)


Naslov
Murine cMV expressing the high affnity nKg2D ligand MUlT-1: a Model for the Development of cytomegalovirus-Based Vaccines

Autori
Hirši, Lea ; Brizić, Ilija ; Jenuš, Tina ; Juranić Lisnić, Vanda ; Reichel, Johanna Julia ; Jurković, Slaven ; Krmpotić, Astrid ; Jonjić, Stipan

Izvornik
Frontiers in Immunology (1664-3224) 9 (2018); 991, 12

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Murine cMV ; cytomegalovirus ; vaccine ; nKg2D ; murine Ul16 binding protein-like transcript 1 ; nK cells ; cD8+ T cells

Sažetak
The development of a vaccine against human cytomegalovirus (CMV) has been a subject of long term medical interest. The research during recent years identifed CMV as an attractive vaccine vector against infectious diseases and tumors. The immune response to CMV persists over a lifetime and its unique feature is the inflationary T cell response to certain viral epitopes. CMV encodes numerous genes involved in immunoevasion, which are non-essential for virus growth in vitro. The deletion of those genes results in virus attenuation in vivo, which enables us to dramatically manipulate its virulence and the immune response. We have previously shown that the murine CMV (MCMV) expressing RAE-1γ, one of the cellular ligands for the NKG2D receptor, is highly attenuated in vivo but retains the ability to induce a strong CD8+ T cell response. Here, we demonstrate that recombinant MCMV expressing high affnity NKG2D ligand murine UL16 binding protein like transcript (MULT-1) (MULT-1MCMV) inserted in the place of its viral inhibitor is dramatically attenuated in vivo in a NK cell-dependent manner, both in immunocompetent adult mice and in immunologically immature newborns. MULT-1MCMV was more attenuated than the recombinant virus expressing RAE-1γ. Despite the drastic sensitivity to innate immune control, MULT-1MCMV induced an effcient CD8+ T cell response to viral and vectored antigens. By using in vitro assay, we showed that similar to RAE-1γMCMV, MULT-1 expressing virus provided strong priming of CD8+ T cells. Moreover, MULT-1MCMV was able to induce anti-viral antibodies, which after passing the transplacental barrier protect offspring of immunized mothers from challenge infection. Altogether, this study further supports the concept that CMV expressing NKG2D ligand possesses excellent characteristics to serve as a vaccine or vaccine vector.

Izvorni jezik
Engleski

Znanstvena područja
Temeljne medicinske znanosti



POVEZANOST RADA


Ustanove
Medicinski fakultet, Rijeka,
Klinički bolnički centar Rijeka

Časopis indeksira:


  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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