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Université Côte d'Azur

5 ARTICLES PUBLISHED IN JoVE

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Biology

Exploring Adipose Tissue Structure by Methylsalicylate Clearing and 3D Imaging
Jérôme Gilleron 1, Cindy Meziat 1, André Sulen 2, Stoyan Ivanov 3, Jennifer Jager 1, David Estève 4, Catherine Muller 4, Jean-Francois Tanti 1, Mireille Cormont 1
1Université Côte d'Azur, Inserm UMR1065, C3M, Team "Cellular and Molecular Pathophysiology of Obesity", Nice, France, 2Integrated Cardio Metabolic Center, Department of Medicine, Karolinska Institutet, Stockholm, Sweden, 3Université Côte d'Azur, Inserm UMR1065, C3M, Team "Haematometabolism in Diseases", Nice, France, 4Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, UPS, Toulouse, France

Here, we describe a simple, inexpensive and fast clearing method to resolve the 3D structure of both mouse and human white adipose tissue using a combination of markers to visualize vasculature, nuclei, immune cells, neurons, and lipid-droplet coat proteins by fluorescent imaging.

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Medicine

Lymphatic and Blood Network Analysis During Obesity
Rafael S Czepielewski *1, Alexandre Gallerand *2,3, Jérôme Gilleron 2,4, Narges Khedher 2,3, Gwendalyn J. Randolph 1, Stoyan Ivanov 2,3
1Department of Pathology and Immunology, Washington University School of Medicine, 2Université Côte d'Azur, 3Mediterranean Center of Molecular Medicine C3M, Team 13, Institut National de la Santé et de la Recherche Médicale (Inserm) UMR1065, 4Mediterranean Center of Molecular Medicine C3M, Team 7, Institut National de la Santé et de la Recherche Médicale (Inserm) UMR1065

Obesity is a growing global public health issue. It has been previously associated with lymphatic dysfunction, suggesting a vital crosstalk between the adipose tissue and the lymphatic system. Here, we propose an accessible methodology allowing the distinct labeling of blood and lymphatic vasculatures within the subcutaneous adipose tissue.

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Biology

An Adipocyte Cell Culture Model to Study the Impact of Protein and Micro-RNA Modulation on Adipocyte Function
Jennifer Jager 1, Mélanie Gaudfrin 1, Jérôme Gilleron 1, Mireille Cormont 1, Jean-François Tanti 1
1Université Côte d’Azur, Inserm, C3M, Team Cellular and Molecular Pathophysiology of Obesity and Diabetes, Nice, France

Presented here is a protocol to deliver oligonucleotides such as small-interfering RNA (siRNA), micro-RNA mimics (miRs), or anti-micro-RNA (anti-miR) into mature adipocytes to modulate protein and micro-RNA expression.

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Bioengineering

Conformable Wearable Electrodes: From Fabrication to Electrophysiological Assessment
Marina Galliani 1, Laura M. Ferrari 2, Esma Ismailova 1
1Centre CMP, Département BEL, Mines Saint-Etienne, 2INRIA, Université Côte d'Azur

Two recent technologies-tattoo and textiles-have demonstrated promising results in cutaneous sensing. Here, we present the fabrication and evaluation methods of tattoo and textile electrodes for cutaneous electrophysiological sensing. These electronic interfaces made of conductive polymers outperform the existing standards in terms of comfort and sensitivity.

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Biology

Ultra-Fast Amplicon-Based Next-Generation Sequencing in Non-Squamous Non-Small Cell Lung Cancer
Christophe Bontoux 1,2,3,4,5, Virginie Lespinet-Fabre 1,2,3,4, Olivier Bordone 1,2,3,4, Virginie Tanga 1,2,3,4, Maryline Allegra 1,2,3,4, Myriam Salah 1,2,3,4, Salomé Lalvée 1,2,3,4, Samantha Goffinet 1,2,3,4, Jonathan Benzaquen 3,4,5,6, Charles-Hugo Marquette 3,4,5,6, Marius Ilié 1,2,3,4,5, Véronique Hofman 1,2,3,4,5, Paul Hofman 1,2,3,4,5
1Laboratory of Clinical and Experimental Pathology, Centre Hospitalier Universitaire de Nice, Université Côte d’Azur, CHU de Nice, 2Hospital-Integrated Biobank (BB-0033-00025), Université Côte d'Azur, Hôpital Pasteur, CHU de Nice, 3Institut Hospitalo-Universitaire (IHU), RespirERA, Université Côte d'Azur, Hôpital Pasteur, CHU de Nice, 4FHU OncoAge, Université Côte d'Azur, 5Team 4, Institute of Research on Cancer and Aging (IRCAN), CNRS INSERM, Centre Antoine-Lacassagne, Université Côte d'Azur, 6Department of Pulmonary Medicine and Thoracic Oncology, Centre Hospitalier Universitaire de Nice, Université Côte d'Azur

The increase of molecular biomarkers to be tested for non-squamous non-small cell lung cancer (NS-NSCLC) care management has prompted the development of fast and reliable molecular detection methods. We describe a workflow for genomic alteration assessment for NS-NSCLC patients using an ultra-fast-next generation sequencing (NGS) approach.

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