Christel Navarro

Christel Navarro
Innate Pharma · Translational Immunology

PhD

About

16
Publications
4,778
Reads
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1,184
Citations
Additional affiliations
January 2009 - present
Medimmune, UK
Position
  • Researcher
November 2006 - November 2008
King's College London
Position
  • EMBO Post doc Fellow
November 2005 - November 2006
King's College London
Position
  • PostDoc Position
Education
September 2001 - March 2005
Aix-Marseille Université
Field of study
  • Oncologie: Pharmacologie et Therapeutique. Biololgie Cellulaire, Biochimie.

Publications

Publications (16)
Article
Full-text available
Cell migration is essential for development, but its deregulation causes metastasis. The Scar/WAVE complex is absolutely required for lamellipodia and is a key effector in cell migration, but its regulation in vivo is enigmatic. Lamellipodin (Lpd) controls lamellipodium formation through an unknown mechanism. Here, we report that Lpd directly binds...
Article
Full-text available
Tight regulation of cell motility is essential for many physiological processes, such as formation of a functional nervous system and wound healing. Drosophila Abl negatively regulates the actin cytoskeleton effector protein Ena during neuronal development in flies, and it has been postulated that this may occur through an unknown intermediary. Lam...
Article
Full-text available
Genetic studies have highlighted the key role of Scrib in the development of Metazoans. Deficiency in Scrib impairs many aspects of cell polarity and cell movement although the mechanisms involved remain unclear. In mammals, Scrib belongs to a protein complex containing betaPIX, an exchange factor for Rac/Cdc42, and GIT1, a GTPase activating protei...
Article
Full-text available
The E6 proteins of the high-risk Human papillomaviruses (HPV) types have a well-documented ability to target certain cellular proteins for ubiquitin-mediated degradation via the proteasome. Previous studies have shown that E6 proteins interact differently with different target proteins, and that the viral proteins, depending upon the target, may re...
Article
In Drosophila, the tumor suppressor Scribble is localized at the septate junctions of epithelial cells. Its mammalian homologue, hScrib, is a basolateral protein likely associated to proteins of the cell-cell junctions. We report the direct interaction between hScrib and ZO-2, a junction-associated protein. This interaction relies on two PDZ domain...
Article
Full-text available
Members of the LAP protein family, LET-413 in Caenorhabditis elegans, Scribble in Drosophila melanogaster, and Erbin, Lano, Densin-180 and hScrib in mammals, have conserved structural features. LET-413 and Scribble are junctional proteins involved in establishing and maintaining epithelial cell polarity. scribble also behaves as a neoplastic tumor...
Article
Full-text available
G protein-coupled receptors are regulated by ligand stimulation, endocytosis, degradation of recycling to the cell surface. Little information is available on the molecular mechanisms underlying G protein-coupled receptors recycling. We have investigated recycling of the G protein-coupled thyroid stimulating hormone receptor (TSHR) and found that i...
Article
Drosophila Scribble is implicated in the development of normal synapse structure and epithelial tissues, but it remains unclear how it plays a role and which process it controls. The mammalian homolog of Scribble, hScrib, has a primary structure and subcellular localization similar to that of its fly homolog, but its function remains unknown. Here...
Article
Full-text available
The asymmetric distribution of proteins to basolateral and apical membranes is an important feature of epithelial cell polarity. To investigate how basolateral LAP proteins (LRR (for leucine-rich repeats) and PDZ (for PSD-95/Discs-large/ZO-1), which play key roles in cell polarity, reach their target membrane, we carried out a structure-function st...
Article
The asymmetric distribution of proteins to basolateral and apical membranes is an important feature of epithelial cell polarity. To investigate how basolateral LAP proteins (LRR (for leucine-rich repeats) and PDZ (for PSD-95/Discs-large/ZO-1), which play key roles in cell polarity, reach their target membrane, we carried out a structure - function...
Article
The WD-repeat protein family consists of a large group of structurally related yet functionally diverse proteins found predominantly in eukaryotic cells. These factors contain several (4-16) copies of a recognizable amino-acid sequence motif (the WD unit) thought to be organized into a "propeller-like" structure involved in protein-protein regulato...
Article
Full-text available
Integrity of epithelial tissues relies on the proper apical-basolateral polarity of epithelial cells. Members of the LAP (LRR and PDZ) protein family such as LET-413 and Scribble are involved in maintaining epithelial cell polarity in Caenorhabditis elegans and Drosophila melanogaster, respectively. We previously described Erbin as a mammalian LET-...

Questions

Question (1)
Question
Hi,
Thank you for reading my question.
I would be interested in protocol available to dissociate human sarcoma samples, solid and not.
On more general field, I would love to read your protocols to dissociate human primary tumors, as different tissues have different components to be dissociated.
Thank you and best of luck for you work :-)
Best Regards
Christel

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