SORIANI , Olivier

The sigma-1 receptor (σ1R) is an endoplasmic reticulum (ER)-resident chaperone protein that acts like an inter-organelle signaling modulator. Among its several functions such as ER lipid metabolisms/transports and indirect regulation of genes transcription, one of its most intriguing feature is the ability to regulate the function and...

The identification of senolytics, compounds that eliminate senescent cells, is presently a key priority given their therapeutic promise in cancer and aging-associated diseases. Two recent papers by Triana-Martínez et al. and Guerrero et al. report the senolytic activity of cardiac glycosides (CGs) and their efficacy in these pathophysiological contexts.

Increasing evidence point out the important roles of ion channels in the physiopathology of cancers, so that these proteins are now considered as potential new therapeutic targets and biomarkers in this disease. Indeed, ion channels have been largely described to participate in many hallmarks of cancers such as migration, invasion,...

International audience

Originally mistaken as an opioid receptor, the sigma-1 receptor (Sig1R) is a ubiquitous membrane protein that has been involved in many cellular processes. While the precise function of Sig1R has long remained mysterious, recent studies have shed light on its role and the molecular mechanisms triggered. Sig1R is in fact a stress-activated...

Originally mistaken as an opioid receptor, the sigma-1 receptor (Sig1R) is a ubiquitous membrane protein that has been involved in many cellular processes. While the precise function of Sig1R has long remained mysterious, recent studies have shed light on its role and the molecular mechanisms triggered. Sig1R is in fact a stress-activated...

The identification of condition specific gene sets from transcriptomic experiments has important biological applications, ranging from the discovery of altered pathways between different phenotypes to the selection of disease-related biomarkers. Statistical approaches using only gene expression data are based on an overly simplistic assumption...

The identification of condition-specific gene sets from transcriptomic experiments is important to reveal regulatory and signaling mechanisms associated with a given cellular response. Statistical approaches using only expression data allow the identification of genes whose expression is most altered between different conditions. However, a...

The identification of condition-specific gene sets from transcriptomic experiments is important to reveal regulatory and signaling mechanisms associated with a given cellular response. Statistical methods of differential expression analysis, designed to assess individual gene variations, have trouble highlighting modules of small varying genes...

International audience

No abstract available

International audience

Kv channels represent new important targets for the control of cancer growth and a better understanding of their regulating pathways in cancer cells is necessary to develop therapeutic strategies. In this study, we have addressed the putative modulation of Kv by MAP kinases through a pharmacological approach. We have found that the commonly...

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International audience

The sigma-1 receptor (Sig1R) is up-regulated in many human tumors and plays a role in the control of cancer cell proliferation and invasiveness. At the molecular level, the Sig1R modulates the activity of various ion channels, apparently through a direct interaction. We have previously shown using atomic force microscopy imaging that the Sig1R...

Cancer is one of the leading causes of mortality in the world. This is a complex disease involving many steps with proper signalling pathways. Early detection and treatment of cancers have increased survival and improved clinical outcome. However, novel strategies based on new interesting targets are needed to improve the conventional...

Cancer is one of the leading causes of mortality in the world. This is a complex disease involving many steps with proper signalling pathways. Early detection and treatment of cancers have increased survival and improved clinical outcome. However, novel strategies based on new interesting targets are needed to improve the conventional...

Hereditary Xerocytosis, a rare hemolytic anemia, is due to gain of function mutations in PIEZO1, a non-selective cation channel activated by mechanical stress. How these PIEZO1 mutations impair channel function and alter red blood cell (RBC) physiology, is not completely understood. Here, we report the characterization of mutations in the...

No abstract

Hereditary Xerocytosis, a rare hemolytic anemia, is due to gain of function mutations in PIEZO1, a non-selective cation channel activated by mechanical stress. How these PIEZO1 mutations impair channel function and alter red blood cell (RBC) physiology, is not completely understood. Here, we report the characterization of mutations in the...

Hereditary Xerocytosis, a rare hemolytic anemia, is due to gain of function mutations in PIEZO1, a non-selective cation channel activated by mechanical stress. How these PIEZO1 mutations impair channel function and alter red blood cell (RBC) physiology, is not completely understood. Here, we report the characterization of mutations in the...