Academic literature on the topic 'Inhibiteurs de STAT activés'
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Journal articles on the topic "Inhibiteurs de STAT activés":
Valade, Dominique. "Les avancées dans les traitements de crise et de fond de la maladie migraineuse." Biologie Aujourd'hui 213, no. 1-2 (2019): 59–64. http://dx.doi.org/10.1051/jbio/2019021.
El Jammal, Thomas, Mathieu Gerfaud-Valentin, Pascal Seve, and Yvan Jamilloux. "Inhibiteurs de la signalisation JAK/STAT au cours des maladies rhumatologiques : un spectre grandissant." Revue du Rhumatisme 87, no. 4 (July 2020): 261–72. http://dx.doi.org/10.1016/j.rhum.2020.01.032.
Sagez, F., M. Sawaf, J. Sibilia, H. Dumortier, F. Monneaux, and J. E. Gottenberg. "Nouveau mécanisme d’action des inhibiteurs de la voie JAK/STAT : l’inhibition de la différenciation et de la fonction des lymphocytes T folliculaires auxiliaires." Revue du Rhumatisme 83 (November 2016): A215. http://dx.doi.org/10.1016/s1169-8330(16)30522-1.
Kow, Chia Siang, Dinesh Sangarran Ramachandram, and Syed Shahzad Hasan. "Effect of JAK Inhibitors on the Risk of Death in Patients with Moderate to Severe COVID-19: A Systematic Review and Meta-Analysis of Randomized Controlled Trials." Canadian Journal of Hospital Pharmacy 77, no. 2 (June 12, 2024). http://dx.doi.org/10.4212/cjhp.3493.
Dissertations / Theses on the topic "Inhibiteurs de STAT activés":
Berrabah, Sofia. "Etude de nouvelles cibles thérapeutiques dans les lymphomes compliquant la maladie cœliaque." Electronic Thesis or Diss., Université Paris Cité, 2021. http://www.theses.fr/2021UNIP5201.
Refractory coeliac disease type II (RCDII), also called intraepithelial lymphoma, is a rare but severe complication of coeliac disease characterized by the clonal expansion of a small subset of innate intraepithelial lymphocytes (IEL), present in the normal human and murine intestine. Our lab has shown that this population displays shared features between T and natural killer (NK) cells. These so-called iCD3+ innate IEL are mainly characterized by intracellular expression of CD3, which is not detected at the cell surface, expression of NK receptors as well as DNA rearrangement of T cell receptor genes. Our lab has also shown that iCD3+ innate IEL originate from bone marrow precursors through coordinated NOTCH1 and interleukin (IL)-15 signals. During lymphomagenesis, iCD3+ innate IEL of most RCDII patients were shown to have acquired somatic gain-of-function mutations in JAK1 and/or STAT3 that confer increased sensitivity to interleukin-15, a cytokine overexpressed in the intestine of coeliac patients, thereby promoting their clonal expansion. Thus, our hypothesis is that JAK1/STAT3 mutations play a key role in initiating lymphomagenesis associated to coeliac disease in an IL-15-rich environment and that they could represent an attractive therapeutic target.The first objective of my thesis was to study the interest of JAK/STAT inhibitors for RCDII treatment. First, we have tested in vitro different JAK/STAT inhibitors on IL-15-dependent RCDII or normal IEL-T cell lines. We have shown that these inhibitors decrease the proliferation and phosphorylation of STAT3 and increase cellular apoptosis in both RCDII and normal T cell lines. Secondly, we have established a xenograft model based on the injection of cells derived from biopsy or blood from one RCDII patient into immunodeficient mice overexpressing the human IL-15 transgene in their gut epithelium (Rag-/-Gc-/- IL-15TgE; IRGC) to test the efficacy of JAK/STAT inhibitors in vivo. Treatment of xenografted mice with ruxolitinib, a potent inhibitor of JAK1/JAK2 decreased the frequency, number and cytotoxic potential of human tumoral cells and allowed clinical restoration. These preliminary results are encouraging but need to be confirmed. The second objective of my thesis was to test whether the Stat3 pD661V mutation is sufficient to induce the intraepithelial lymphoma in an IL-15-rich context in IRGC mice. We have successfully generated murine iCD3+ innate IEL in vitro, resembling their human counterparts from common lymphoid precursors by combining NOTCH and IL-15 signals. We then transduced CLP with a retroviral vector containing wild-type or mutated Stat3 pD661V. The transduced cells were injected into IRGC mice that subsequently were followed-up during a period of 8 weeks. In vitro generated iCD3+ innate IEL preferentially homed to the intestine. However, no development of intraepithelial lymphoma was observed suggesting that the Stat3 pD661V variant alone is not sufficient to induce the intraepithelial lymphoma. These preliminary results need to be reproduced and confirmed. The murine model used to test the role of STAT3 will now be used to evaluate the respective contribution of canonical mutations in JAK1 and STAT3 and of other recurrent mutations identified in RCDII
Jungalee, Anouchka. "Implication physiopathologique de l'adaptateur LNK : mécanismes d'action et perspectives thérapeutiques dans les Néoplasmes Myéloprolifératifs." Thesis, Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCD017/document.
The LNK adaptor protein is a key negative regulator of signalling pathways, such as JAK/STAT, important in the development of the hematopoietic system. Its implication in chronic blood diseases, such as Myeloproliferative Neoplasms (MPN) has been confirmed by studies on Lnk-deficient mice, as well as the identification of LNK mutations in MPN patients. However, the LNK mechanism of regulation on its partners and the functional implication of LNK mutations in MPN pathogenesis, are still unclear. Therefore, my PhD project covers the structural and functional analysis of theLNK/JAK2 signalling complex and the development of a molecular strategy to use LNK as a therapeutic tool for the treatment of MPN patients. Our study showed, for the first time, the inhibitory function of the N-terminal region and the pleckstrin homology domain of LNK on JAK2 activity, which occurs more importantly on JAK-V617F than JAK2 wild type form. Moreover, our study provided evidence on how LNK mutations located in this LNK region could contribute to these haematological diseases and has allowed us to propose a model for LNK regulatory function on JAK2activity. Furthermore, we developed a cell penetrating peptide-based strategy to deliver this regulatory region of LNK in hematopoietic cells to specifically inhibit JAK2-V617F oncogenic form. The finalaim is to use this region as a therapeutic molecule to treat JAK2-V617F-positive MPN patients