Philippe Bun
University of Paris
22 Papers
68 Citations
Philippe Bun is an academic researcher from University of Paris. The author has contributed to research in topics: Digital holographic microscopy & Medicine. The author has an hindex of 7, co-authored 12 publications. Previous affiliations of Philippe Bun include International Justice Mission & Centre national de la recherche scientifique.
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Papers
Imaging Gold Nanoparticles in Living Cells Environments using Heterodyne Digital Holographic Microscopy
Nilanthi Warnasooriya,Fadwa Joud,Philippe Bun,Gilles Tessier,Maïté Coppey-Moisan,Pierre Desbiolles,Michael Atlan,Marie Abboud,Michel Gross +8 more
TL;DR: In this paper, an imaging microscopic technique based on heterodyne digital holography where subwavelength-sized gold colloids can be imaged in cell environment is described.
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Role of VAMP7-Dependent Secretion of Reticulon 3 in Neurite Growth
José Wojnacki,Sébastien Nola,Philippe Bun,Béatrice Cholley,Francesca Filippini,Mary T. Pressé,Joanna Lipecka,Sin Man Lam,Julie N’guyen,Axelle Simon,Amine Ouslimani,Guanghou Shui,Claudio Marcelo Fader,María Isabel Colombo,Ida Chiara Guerrera,Thierry Galli +15 more
TL;DR: It is proposed that VAMP7-dependent secretion of RTN3 regulates neurite growth, and endoplasmic reticulum (ER)-phagy-related LC3-interacting-region-containing proteins Atlastin 3 and Reticulon 3 (RTN3) are more abundant in autophagy- related protein ATG5 KO and less abundant in VAMP 7 KO secretomes.
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Mechanical Checkpoint For Persistent Cell Polarization In Adhesion-Naive Fibroblasts
Philippe Bun,JunJun Liu,Hervé Turlier,Zengzhen Liu,Karen Uriot,J.-F. Joanny,Maïté Coppey-Moisan +6 more
TL;DR: A physical model supporting the idea that a local and persistent inhibition of actin polymerization and/or myosin activity is sufficient to trigger and sustain the polarized state is developed.
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Vinculin head-tail interaction defines multiple early mechanisms for cell substrate rigidity sensing.
TL;DR: Two distinct rigidity-sensing molecular modules in FAs are identified, one of which involves vinculin and talin, is regulated by vinculus head-tail interaction, and targets cell morphology, and may be key to allow a versatile response to complex biomechanical cues.
3D exploration of light scattering from live cells in the presence of gold nanomarkers using holographic microscopy
Fadwa Joud,Nilanthi Warnasooriya,Philippe Bun,Frédéric Verpillat,Sarah Y. Suck,Gilles Tessier,Michael Atlan,Pierre Desbiolles,Maïté Coppey-Moisan,Marie Abboud,Michel Gross +10 more
TL;DR: In this paper, the 3D structure of light scattering from dark-field illuminated live 3T3 cells in the presence of 40 nm gold nanomarkers was explored using a high-resolution holographic microscope combining the off-axis heterodyne geometry and the phase-shifting acquisition of the digital holograms.
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