Category Archives: Health technologies

Human Adipose Tissue Reproduced in the Lab

A research team used 3D culture to develop adipose tissue organoids (or adipospheres) – small cellular units that mimic the characteristics and organization of adipose tissue as it presents in vivo.

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L’hépatite D, un virus qui en utilise d’autres

(Français) Des recherches démontrent dans un modèle de souris au foie humanisé, que le VHD est capable in vitro et in vivo d’utiliser l’enveloppe d’autres virus que celle du VHB, comme celle du virus de l’hépatite C et de virus d’autres genres, comme celui de la dengue.

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Wound Dressings to Regenerate Joints

Researchers from Inserm and Université de Strasbourg at Unit 1260 “Regenerative Nanomedicine” have developed an implant which, when applied like a wound dressing, regenerates cartilage in the event of major joint lesions and incipient osteoarthritis.

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Miniaturized Chemical Sensors to Monitor Brain Function

A team of Inserm and CNRS researchers has succeeded in developing new-generation chemical sensors to monitor the brain’s metabolism, particularly during stroke, trauma or epileptic seizure. Measuring less than 15 µm in diameter, these minimally-invasive tools monitor what is happening in the brain in order to obtain data that are much more reliable and representative of the neurochemical exchanges. This research has been published in ACS Central Science.

Also posted in Press releases, Neurosciences, cognitives sciences, neurology and psychiatry | Comments closed

Plus de 6000 gènes de résistance aux antibiotiques découverts dans le microbiote intestinal

(Français) Une étude européenne lève le voile sur la diversité des gènes de résistance aux antibiotiques présents dans les bactéries du microbiote intestinal. Des équipes des hôpitaux Beaujon et Bichat Claude-Bernard AP-HP, de l’Inra (MetaGenoPolis), de l’Institut Pasteur, de l’Inserm, des universités Paris Diderot et Paris-Saclay ont développé une nouvelle méthode bioinformatique de prédiction de fonction des gènes basée sur la structure tridimensionnelle des protéines qu’ils codent. Les chercheurs, en collaboration avec d’autres équipes européennes, l’ont ensuite appliquée à un catalogue de plusieurs millions de gènes du microbiote intestinal. Grâce à cette méthode, ils ont identifié plus de 6000 gènes de résistance aux antibiotiques très différents des gènes connus. Ces travaux, publiés dans la revue Nature Microbiology, illustrent la diversité des gènes de résistance des bactéries de notre microbiote intestinal.

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Cancer under pressure: visualizing the activity of the immune system on tumor development

As tumors develop, they evolve genetically. How does the immune system act when faced with tumor cells? How does it exert pressure on the genetic diversity of cancer cells? Scientists from the Institut Pasteur and Inserm used in vivo video techniques and cell-specific staining to visualize the action of immune cells in response to the proliferation of cancer cells. The findings have been published in the journal Science Immunology on November 23, 2018.

Also posted in Cell biology, development and evolution, Cancer, Press releases, Genetics, genomics and bioinformatics, Immunology, inflammation, infectiology and microbiology | Tagged | Comments closed

Tools: Sensory Organs in Their Own Right ?

What if by holding a tool we could perceive our environment through touch – using the whole tool, and not just the tip? A study by Inserm researchers at the Lyon Neuroscience Research Center (Inserm/Université Jean Monnet Saint-Etienne/Université Claude Bernard Lyon 1/CNRS) has shown just that – the capacity of the human brain to incorporate a tool as an actual sensory organ. This research, published in Nature, raises the question of a new paradigm concerning the sense of touch, its interpretation when developing our use of tools, and in its medical applications – particularly prosthetics.

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20% of reactions to radiologic contrast media are real allergies

A team of Pole-Imaging Research Explorations-European Hospital Georges Pompidou AP-HP, Paris Descartes University and INSERM led by Professor Olivier Clément, and a team from Caen University Hospital and the University of Caen Normandy, led by Dr Dominique Laroche, conducted the first national prospective multicenter study on allergic reactions to contrast media in radiology. 31 centers in France bringing together radiologists investigators, allergists, anesthetists and biologists have investigated 245 cases of hypersensitivity to contrast media.

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Myositis: A New Classification Representing a Decisive Step Towards Improved Diagnosis and Personalized Treatment

Prof. Olivier Benveniste’s Inflammatory myopathies and innovative targeted therapies team at the Institute of Myology has produced a new classification of the different forms of myositis (rare inflammatory muscle diseases). Four new types of myositis taking into account the various clinical criteria of patients have now been defined. This research, involving teams from the Institute of Myology, Inserm, the Paris public hospitals system (AP-HP) and Sorbonne Université, was published in September in JAMA and paves the way for reliable diagnosis and personalized treatments.

Also posted in Press releases, Genetics, genomics and bioinformatics, Neurosciences, cognitives sciences, neurology and psychiatry | Tagged | Comments closed

Predicting The Response To Immunotherapy Using Artificial Intelligence

A study published in The Lancet Oncology establishes for the first time that artificial intelligence can process medical images to extract biological and clinical information. By designing an algorithm and developing it to analyse CT scan images, medical researchers at Gustave Roussy, CentraleSupélec, Inserm, Paris-Sud University and TheraPanacea (spin-off from CentraleSupélec specialising in artificial intelligence in oncology-radiotherapy and precision medicine) have created a so-called radiomic signature. This signature defines the level of lymphocyte infiltration of a tumour and provides a predictive score for the efficacy of immunotherapy in the patient.     

Also posted in Cancer, Press releases | Tagged | Comments closed
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