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Publications associées (93)

Effect of fluid flow shear stress on Mesenchymal Stem Cells(MSC) differentiation using a microfluidic device

Mesenchymal Stem Cells (MSC) are multipotent stem cells that are predominantly obtained from the bone marrow. These cells have a high ability to differentiate into a multitude of cell types, which are very attractive for tissue engineering and cell therapy ...

2011

Semisynthesis of fluorescent metabolite sensors on cell surfaces

Horst Vogel, Kai Johnsson, Luc Reymond, Rudolf Griss, Joachim Piguet, Matthias Albert Brun, Kui Thong Tan, Ruud Peters

Progress in understanding signal transduction and metabolic pathways is hampered by a shortage of suitable sensors for tracking metabolites, second messengers, and neurotransmitters in living cells. Here we introduce a class of rationally designed semisynt ...

2011

ID4 regulates mammary gland development by suppressing p38MAPK activity

Yiming Li, Cathrin Brisken, Marian Caikovski, Xiuwei Zhang, Jun Dong

The ID family of helix-loop-helix proteins regulates cell proliferation and differentiation in many different developmental pathways, but the functions of ID4 in mammary development are unknown. We report that mouse Id4 is expressed in cap cells, basal cel ...

2011

Control of Exocytosis by Synaptotagmins and Otoferlin in Auditory Hair Cells

Ralf Schneggenburger

In pre-hearing mice, vesicle exocytosis at cochlear inner hair cell (IHC) ribbon synapses is triggered by spontaneous Ca2+ spikes. At the onset of hearing, IHC exocytosis is then exclusively driven by graded potentials, and is characterized by higher Ca2+ ...

Society for Neuroscience2010

Key roles for transforming growth factor beta in melanocyte stem cell maintenance

Friedrich Beermann

Melanocyte stem cells in the bulge area of hair follicles are responsible for hair pigmentation, and defects in them cause hair graying. Here we describe the process of melanocyte stem cell entry into the quiescent state and show that niche-derived transfo ...

2010

Mechanical interaction between cells and fluid for bone tissue engineering scaffold: modulation of the interfacial shear stress

Dominique Pioletti, Alexandre Terrier, Lalaonirina Rakotomanana Ravelonarivo, Luc Blecha

An analytical model of the fluid/cell mechanical interaction was developed. The interfacial shear stress, due to the coupling between the fluid and the cell deformation, was characterized by a new dimensionless number . For above a critical value, the flui ...

2010

Hes1 Is a Critical but Context-Dependent Mediator of Canonical Notch Signaling in Lymphocyte Development and Transformation

Freddy Radtke, Ute Koch, Christelle Dubey, Agnieszka Anna Wendorff, Silvia Wirth

Although canonical Notch signaling regulates multiple hematopoietic lineage decisions including T cell and marginal zone B cell fate specification, the downstream molecular mediators of Notch function are largely unknown. We showed here that conditional in ...

Elsevier2010

Potential novel drug carriers for inner ear treatment: hyperbranched polylysine and lipid nanocapsules

Harm-Anton Klok, Zuzana Kadlecova, Markus Scholl

Aim: Treatment of sensorineural hearing loss could be advanced using novel drug carriers such as hyperbranched polylysine (HBPL) or lipid nanocapsules (LNCs). This study examined HBPL and LNCs for their cellular uptake and possible toxicity in vitro and in ...

Future Medicine2009

Adverse Effects of Industrial Multiwalled Carbon Nanotubes on Human Pulmonary Cells

Michel Rossi

The aim of this study was to evaluate adverse effects of multiwalled carbon nanotubes (MWCNT), produced for industrial purposes, on the human epithelial cell line A549. MWCNT were dispersed in dipalmitoyl lecithin (DPL), a component of pulmonary surfactant ...

2009

Deletion of Notch1 converts pro-T cells to dendritic cells and promotes thymic B cells by cell-extrinsic and cell-intrinsic mechanisms

Freddy Radtke

Notch1 signaling is required for T cell development and has been implicated in fate decisions in the thymus. We showed that Notch1 deletion in progenitor T cells (pro-T cells) revealed their latent developmental potential toward becoming conventional and p ...

2009

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