ACTUALITES

SCIENTIFIC EVENTS

  • 2nd Symposium IRCI - 21st to 23rd of June, 2021, Lyon, France

2nd International Symposium on Immune Responses in Cancer and Infection (IRCI).
The event has been postponed to June, 2020 in Lyon, France.

IRCI is an international conference that occurs every three years with talks from experts in the field of immune responses in cancer and infection. This meeting is a unique chance for you to learn, exchange, and expose your results in a world class setting in which registration prices have been kept low.

More information on https://irci2021.insight-outside.fr/

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LATEST PUBLICATIONS

  • Failed Apoptosis Enhances Melanoma Cancer CellAggressiveness

Triggering apoptosis remains an efficient strategy to treat cancer. However, apoptosis is no longer a final destination since cancer cells can undergo failed apoptosis without dying. Recent evidence shows that limited mitochondrial permeabilization and non-lethal caspase activation occur under certain circumstances, although it remains unclear how failed apoptosis affects cancer cells. Using an original cancer cell model to trigger non-lethal caspase activation, we find that melanoma cancer cells undergoing failed apoptosis have a particular transcriptomic signature associated with focal adhesions, transendothelial migration, and modifications of the actin cytoskeleton. In line with this, cancer cells surviving apoptosis gain migration and invasion properties in vitro and in vivo. We further demonstrate that failed apoptosis-associated gain in invasiveness is regulated by the c-Jun N-terminal kinase (JNK) pathway, whereas its RNA sequencing signature is found in metastatic melanoma. These findings advance our understanding of how cell death can both cure and promote cancer. 

  • Netrin-1 promotes naive pluripotency through Neo1 and Unc5b co-regulation of Wnt and MAPK signalling

In mouse embryonic stem cells (mESCs), chemical blockade of Gsk3α/β and Mek1/2 (2i) instructs a self-renewing ground state whose endogenous inducers are unknown. Here we show that the axon guidance cue Netrin-1 promotes naive pluripotency by triggering profound signalling, transcriptomic and epigenetic changes in mESCs. Furthermore, we demonstrate that Netrin-1 can substitute for blockade of Gsk3α/β and Mek1/2 to sustain self-renewal of mESCs in combination with leukaemia inhibitory factor and regulates the formation of the mouse pluripotent blastocyst. Mechanistically, we reveal how Netrin-1 and the balance of its receptors Neo1 and Unc5B co-regulate Wnt and MAPK pathways in both mouse and human ESCs. Netrin-1 induces Fak kinase to inactivate Gsk3α/β and stabilize β-catenin while increasing the phosphatase activity of a Ppp2r2c-containing Pp2a complex to reduce Erk1/2 activity. Collectively, this work identifies Netrin-1 as a regulator of pluripotency and reveals that it mediates different effects in mESCs depending on its receptor dosage, opening perspectives for balancing self-renewal and lineage commitment.

https://doi.org/10.1038/s41556-020-0483-2

JOB OPPORTUNITIES

  • September 2020 - Lab manager position

L'équipe "TGF-beta et régulation de la réponse immunitaire", Dirigée par Julien Marie, recherche un lab manager.  L’équipe est composée de 12 personnes et étudie principalement les effets du système immunitaire sur les cancers.
Consulter l'offre.

  • September 2020 - Research Engineer position

A research engineer position in bioinformatics is open to work on an innovative joint research program between two teams of CRCL and Bioinformatics Center in Lyon, France.
More Information

  • September 2020 - Assistant ingénieur

L'équipe « Virus hépatiques et pathobiologie des maladies chroniques hépatiques », dir. Fabien Zoulim recherche un assistant ingénieur. Le sous-groupe dirigé par le Dr Barbara Testoni, auquel le/la candidat-e sera rattaché-e s’intéresse particulièrement aux mécanismes moléculaires contrôlant l’activité transcriptionnelle du minichromosome viral.
Plus d'information

  • September 2020 - Project manager in immunology

The Laboratory of Immunotherapy of Cancer of Lyon (LICL) is currently seeking a talented and experienced immunologist to coordinate the scientific and technological projects within the lab.
The LICL (head: C. Caux) is affiliated to the Cancer Research Center of Lyon (CRCL) and to the department of Translational Research and Innovation of the comprehensive Léon Bérard cancer Center (CLB) at the interface between fundamental research developed within the CRCL immunology teams and the clinical research implemented by the CLB clinical teams.
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  • August 2020 - 2 postdoctoral positions in non-coding RNAs, Translation, Cancer & Metastasis

Two junior post-doctoral positions are open to work on an innovative joint research program between LyOS and CRCL in Lyon, France. The program aims to investigate the translational control mediated by tumour-derived non-coding RNAs on the nesting of disseminated tumour cells in the bone marrow.
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  • July 2020 - Postdoctoral position

The laboratory of Prof Julien C. Marie is seeking an experienced, creative and autonomous post-doctoral fellow to study the effects of TGF-b on T cell-biology. A particular focus is proposed on deciphering mechanisms of action of TGF-b in controlling skin inflammation using both in vitro and in vivo mouse models.
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  • January 2020 - Post-doctoral position

The laboratory of Dr. Julien C. Marie is seeking an experienced, creative and autonomous post-doctoral fellow to study the effects of TGF-B on T cell-biology.
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