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Immunomodulation influences the course of postnatal brain development in MCMV infected newborn mice


Cekinović, Đurđica; Pernjak Pugel, Ester; Bantug, Glenn; Koontz, Thad; Tomac, Jelena; Ciković, Ana; Britt, William; Jonjić, Stipan
Immunomodulation influences the course of postnatal brain development in MCMV infected newborn mice // 2009 Annual Meeting of the Croatian Immunological Society ; Book of abstracts / Rabatić Sabina (ur.).
Zagreb: Hrvatsko prirodoslovno društvo, 2009. (poster, domaća recenzija, sažetak, ostalo)


Naslov
Immunomodulation influences the course of postnatal brain development in MCMV infected newborn mice

Autori
Cekinović, Đurđica ; Pernjak Pugel, Ester ; Bantug, Glenn ; Koontz, Thad ; Tomac, Jelena ; Ciković, Ana ; Britt, William ; Jonjić, Stipan

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

Izvornik
2009 Annual Meeting of the Croatian Immunological Society ; Book of abstracts / Rabatić Sabina - Zagreb : Hrvatsko prirodoslovno društvo, 2009

Skup
2009 Annual Meeting of the Croatian Immunological Society

Mjesto i datum
Starigrad Paklenica, Hrvatska, 01.-04-10.2009

Vrsta sudjelovanja
Poster

Vrsta recenzije
Domaća recenzija

Ključne riječi
MCMV; brain development

Sažetak
Human cytomegalovirus is a leading viral pathogen of congenital infection of the central nervous system resulting in long term neurological impairment. In our model of murine cytomegalovirus (MCMV) infection in newborn mice we have shown that MCMV impairs postnatal development of the cerebellum (Koontz et al., JEM 2008). Productive infection is successfully controlled by components of both innate and adaptive immune response in which CD8+ T cells play a predominant role (Bantug et al., J. Immunol. 2008). Dexamehtasone, as a known immunomodulator, is widely used in the treatment of functional impairment of premature infants. However, the effect of dexamethasone treatment onto early neurodevelopment is still insufficiently elucidated. The aim of this study was to analyze the effect of dexamethasone treatment onto course of MCMV infection in newborn brain and consequent cerebellar maldevelopment. Newborn mice, infected intraperitoneally at day 0 with wild type MCMV, received deyamethasone on 4, 5 and 6 dpi. Mice were sacrificed at various dpi and their brains were processed for further analysis. Our results show that dexamethasone treatment influenced the viral titers in the brain depending on the time post infection. Virus titer in the brain of infected, dexamethasone treated mice was higher as compared to infected untreated mice, but surprisingly on later time point virus titer dramatically decreased, indicating that dexamethasone modulates immune response during early period of infection. Cerebella of infected, dexamethasone treated mice were smaller, but with thinner ELG layer, and lesions in comparison with infected, untreated ones, suggesting that dexamethasone, at least partially, underpins the effects of MCMV infection and replication in developing brain.

Izvorni jezik
Engleski

Znanstvena područja
Temeljne medicinske znanosti



POVEZANOST RADA


Projekt / tema
062-0621261-1265 - Citomegalovirusna infekcija ovarija (Jelena Tomac, )
062-0621261-1269 - Perinatalni citomegalovirusni encefalitis (Ester Pernjak-Pugel, )

Ustanove
Medicinski fakultet, Rijeka

Citiraj ovu publikaciju

Cekinović, Đurđica; Pernjak Pugel, Ester; Bantug, Glenn; Koontz, Thad; Tomac, Jelena; Ciković, Ana; Britt, William; Jonjić, Stipan
Immunomodulation influences the course of postnatal brain development in MCMV infected newborn mice // 2009 Annual Meeting of the Croatian Immunological Society ; Book of abstracts / Rabatić Sabina (ur.).
Zagreb: Hrvatsko prirodoslovno društvo, 2009. (poster, domaća recenzija, sažetak, ostalo)
Cekinović, Đ., Pernjak Pugel, E., Bantug, G., Koontz, T., Tomac, J., Ciković, A., Britt, W. & Jonjić, S. (2009) Immunomodulation influences the course of postnatal brain development in MCMV infected newborn mice. U: Rabatić Sabina (ur.)2009 Annual Meeting of the Croatian Immunological Society ; Book of abstracts.
@article{article, year = {2009}, keywords = {MCMV, brain development}, title = {Immunomodulation influences the course of postnatal brain development in MCMV infected newborn mice}, keyword = {MCMV, brain development}, publisher = {Hrvatsko prirodoslovno dru\v{s}tvo}, publisherplace = {Starigrad Paklenica, Hrvatska} }