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Article (Scientific journals)
Dusp3 deletion in mice promotes experimental lung tumour metastasis in a macrophage dependent manner
Vandereyken, Maud; Jacques, Sophie; Van Overmeire, Eva et al.
2017In PLoS ONE
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Abstract :
[en] Vaccinia-H1 Related (VHR) dual-specificity phosphatase, or DUSP3, plays an important role in cell cycle regulation and its expression is altered in several human cancers. In mouse model, DUSP3 deletion prevents neo-angiogenesis and b-FGF-induced microvessel out- growth. Considering the importance of angiogenesis in metastasis formation, our study aimed to investigate the role of DUSP3 in tumour cell dissemination. Using a Lewis Lung carcinoma (LLC) experimental metastasis model, we observed that DUSP3-/- mice devel- oped larger lung metastases than littermate controls. DUSP3-/- bone marrow transfer to lethally irradiated DUSP3+/+ mice was sufficient to transfer the phenotype to DUSP3+/+ mice, indicating that hematopoietic cells compartment was involved in the increased tumour cell dissemination to lung tissues. Interestingly, we found a higher percentage of tumour- promoting Ly6Cint macrophages in DUSP3-/- LLC-bearing lung homogenates that was at least partially due to a better recruitment of these cells. This was confirmed by 1) the pres- ence of higher number of the Ly6Bhi macrophages in DUSP3-/- lung homogenates and by 2) the better migration of DUSP3-/- bone marrow sorted monocytes, peritoneal macrophages and bone marrow derived macrophages (BMDMs), compared to DUSP3+/+ monocytes, macrophages and BMDMs, in response to LLC-conditioned medium. Our study demon- strates that DUSP3 phosphatase plays a key role in metastatic growth through a mechanism involving the recruitment of macrophages towards LLC-bearing lungs.
Disciplines :
Oncology
Author, co-author :
Vandereyken, Maud
Jacques, Sophie ;  Université de Liège - ULiège > Département des sciences cliniques > GIGA-R:Immunopath. - Maladies infect. et médec. inter. gén.
Van Overmeire, Eva
Amand, Mathieu
Rocks, Natacha ;  Université de Liège - ULiège > Département de pharmacie > Pharmacie galénique
Delierneux, Celine
Singh, Pratibha
Singh, MAneesh
GHUYSEN, Camille ;  Centre Hospitalier Universitaire de Liège - CHU > Département de médecine interne > Service d'oncologie médicale
Wathieu, Caroline  ;  Université de Liège - ULiège > Département de pharmacie > Chimie médicale
Sounni, Nor Eddine  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biologie cellulaire et moléculaire
Moutschen, Michel  ;  Université de Liège - ULiège > Département des sciences cliniques > GIGA-R:Immunopath. - Maladies infect. et médec. inter. gén.
Gilles, Christine ;  Université de Liège - ULiège > Département des sciences cliniques > Labo de biologie des tumeurs et du développement
Oury, Cécile  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > GIGA-R : GIGA - Cardiovascular Sciences
Cataldo, Didier  ;  Université de Liège - ULiège > Département des sciences cliniques > Labo de biologie des tumeurs et du développement
Van Ginderachter, Jo A
Rahmouni, Souad  ;  Université de Liège - ULiège > Département des sciences cliniques > GIGA-R:Immunopath. - Maladies infect. et médec. inter. gén.
More authors (8 more) Less
Language :
English
Title :
Dusp3 deletion in mice promotes experimental lung tumour metastasis in a macrophage dependent manner
Publication date :
11 October 2017
Journal title :
PLoS ONE
eISSN :
1932-6203
Publisher :
Public Library of Science, San Franscisco, United States - California
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 12 November 2017

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