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Complex interplay between Ly49 receptors and MCMV


Juranić Lisnić, Vanda; Popović, Branka; L’Hernault, Anne; Babić Čač, Marina; Lisnić, Berislav; Železnjak, Jelena; Krmpotić, Astrid; Dolken, Lars; Jonjić, Stipan
Complex interplay between Ly49 receptors and MCMV // Natural killer cell Symposium 2015 Abstract Book
Gottingen, Njemačka, 2015. (predavanje, nije recenziran, sažetak, znanstveni)


Naslov
Complex interplay between Ly49 receptors and MCMV

Autori
Juranić Lisnić, Vanda ; Popović, Branka ; L’Hernault, Anne ; Babić Čač, Marina ; Lisnić, Berislav ; Železnjak, Jelena ; Krmpotić, Astrid ; Dolken, Lars ; Jonjić, Stipan

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Natural killer cell Symposium 2015 Abstract Book / - , 2015

Skup
Natural killer cell Symposium

Mjesto i datum
Gottingen, Njemačka, 7.-9.10.2015

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Nije recenziran

Ključne riječi
nk cells; ly49 receptors; mcmv; m04; immunoevasion

Sažetak
Cytomegaloviruses downregulate MHC I from the cell surface in order to avoid recognition by T cells. Since this strategy could trigger the NK cell-mediated “missing-self” recognition, murine cytomegalovirus (MCMV) encodes m04, a protein which brings a portion of MHC I molecules back to the cell surface enabling them to engage inhibitory Ly49 receptors (iLy49s). Differential sensitivity of various mouse strains to MCMV has been linked to the capacity of NK cells to recognize infected cells via activating Ly49 receptors. In certain cases, Ly49 receptors recognize MHCI, m04 and an additional, 11kDa viral protein encoded by the MCMV’s most abundant transcript (MAT), which also encodes another protein of unknown function and contains a binding site for cellular micro RNA (Marcinowski et al (2012) PLOS Pathogens ; Juranic Lisnic et al (2013) PLOS Pathogens). Here we show that the deletion of MAT results in a modest downregulation of MHC I from the cell surface and drastically changes the repertoire of host and viral peptides presented in MHC I. In addition, viral mutants lacking MAT are attenuated in vivo and their titers can be restored by NK cell depletion.

Izvorni jezik
Engleski

Znanstvena područja
Temeljne medicinske znanosti



POVEZANOST RADA


Projekt / tema
HRZZ-IP-2013-11-7132 - Aktivacijski receptori NK-stanica specifični za virus i njihovo izbjegavanje od strane virusa (Astrid Krmpotić, )

Ustanove
Medicinski fakultet, Rijeka

Citiraj ovu publikaciju

Juranić Lisnić, Vanda; Popović, Branka; L’Hernault, Anne; Babić Čač, Marina; Lisnić, Berislav; Železnjak, Jelena; Krmpotić, Astrid; Dolken, Lars; Jonjić, Stipan
Complex interplay between Ly49 receptors and MCMV // Natural killer cell Symposium 2015 Abstract Book
Gottingen, Njemačka, 2015. (predavanje, nije recenziran, sažetak, znanstveni)
Juranić Lisnić, V., Popović, B., L’Hernault, A., Babić Čač, M., Lisnić, B., Železnjak, J., Krmpotić, A., Dolken, L. & Jonjić, S. (2015) Complex interplay between Ly49 receptors and MCMV. U: Natural killer cell Symposium 2015 Abstract Book.
@article{article, year = {2015}, keywords = {nk cells, ly49 receptors, mcmv, m04, immunoevasion}, title = {Complex interplay between Ly49 receptors and MCMV}, keyword = {nk cells, ly49 receptors, mcmv, m04, immunoevasion}, publisherplace = {Gottingen, Njema\v{c}ka} }