References of "Kroonen, Jérôme"
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See detailLes cellules initiatrices de glioblastome: étude de leur caractère "souche" et de leur relations avec les zones neurogéniques adultes
KROONEN, Jérôme ULg

Doctoral thesis (2011)

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See detailHuman glioblastoma-initiating cells invade specifically the subventricular zones and olfactory bulbs of mice after striatal injection.
Kroonen, Jérôme ULg; Nassen, Jessica ULg; Boulanger, Yves-Gauthier et al

in International Journal of Cancer = Journal International du Cancer (2011), 129(3), 574-585

This study reports the subsequent isolation of human glioblatoma cells able to initiate experimental brain tumors, specifically and repeatedly found in the subventricular zones and olfactory bulbs ... [more ▼]

This study reports the subsequent isolation of human glioblatoma cells able to initiate experimental brain tumors, specifically and repeatedly found in the subventricular zones and olfactory bulbs following xenograft in the caudate putamen of immunodeficient mice.In patients with glioblastoma multiforme, recurrence is the rule despite continuous advances in surgery, radiotherapy and chemotherapy. Within these malignant gliomas, glioblastoma stem cells or initiating cells have been recently described and they were shown to be specifically involved in experimental tumorigenesis. In this study, we show that some human glioblastoma cells injected into the striatum of immunodeficient nude mice exhibit a tropism for the subventricular zones. There and similarily to neurogenic stem cells, these subventricular glioblastoma cells were then able to migrate towards the olfactory bulbs. Finally, the glioblastoma cells isolated from the adult mouse subventricular zones and olfactory bulbs display high tumorigenicity when secondary injected in a new mouse brain. Together, these data suggest that neurogenic zones could be a reservoir for particular cancer-initiating cells. [less ▲]

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See detailLes glioblastomes, un exemple de recherche translationnelle?
Kroonen, Jérôme ULg; Nguyen-Khac, Minh-Tuan ULg; Deprez, Manuel ULg et al

in Revue Médicale de Liège (2008), 63(5-6), 251-6

Among patients which develop glioblastoma multiform (GBM), recurrence is the rule despite continuous progress in surgery, radiotherapy and chemotherapy. In the adult, GBM is the most frequent and most ... [more ▼]

Among patients which develop glioblastoma multiform (GBM), recurrence is the rule despite continuous progress in surgery, radiotherapy and chemotherapy. In the adult, GBM is the most frequent and most aggressive tumour of the Central Nervous System. A better understanding of the mechanisms by which these tumours relapse could promote the use of preventive therapy and could increase patients' survival. GBM stem cells have been recently described and it was demonstrated that they are specifically implied in the experimental tumorigenesis. It is thus very attractive to speculate on a possible relationship between these GBM stem cells and the neural stem cells which are persisting in the neurogenic zones of the adult brain. In this review, we formulate and discuss the hypothesis by which, in a patient with GBM, malignant stem cells might be present in the neurogenic zones, away from the tumour mass. This hypothesis could explain the tumour relapse observed after the first treatments. [less ▲]

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