Search Results - "TOMAS, Alejandra"
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EGF receptor trafficking: consequences for signaling and cancer
Published in Trends in cell biology (01-01-2014)“…Highlights • EGF receptor endocytic traffic can regulate signaling and cell survival. • Signaling from activated EGFR occurs at the endosome as well as the…”
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The Interplay of Glucagon-Like Peptide-1 Receptor Trafficking and Signalling in Pancreatic Beta Cells
Published in Frontiers in endocrinology (Lausanne) (10-05-2021)“…The glucagon-like peptide 1 receptor (GLP-1R) is a class B G protein-coupled receptor (GPCR) which mediates the effects of GLP-1, an incretin hormone secreted…”
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Super-resolution microscopy compatible fluorescent probes reveal endogenous glucagon-like peptide-1 receptor distribution and dynamics
Published in Nature communications (24-01-2020)“…The glucagon-like peptide-1 receptor (GLP1R) is a class B G protein-coupled receptor (GPCR) involved in metabolism. Presently, its visualization is limited to…”
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Targeting GLP-1 receptor trafficking to improve agonist efficacy
Published in Nature communications (23-04-2018)“…Glucagon-like peptide-1 receptor (GLP-1R) activation promotes insulin secretion from pancreatic beta cells, causes weight loss, and is an important…”
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Biomimetic electromechanical stimulation to maintain adult myocardial slices in vitro
Published in Nature communications (15-05-2019)“…Adult cardiac tissue undergoes a rapid process of dedifferentiation when cultured outside the body. The in vivo environment, particularly constant…”
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DRP1 levels determine the apoptotic threshold during embryonic differentiation through a mitophagy-dependent mechanism
Published in Developmental cell (06-06-2022)“…The changes that drive differentiation facilitate the emergence of abnormal cells that need to be removed before they contribute to further development or the…”
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Stress-specific p38 MAPK activation is sufficient to drive EGFR endocytosis but not its nuclear translocation
Published in Journal of cell science (01-08-2017)“…EGF receptor (EGFR) endocytosis is induced by stress in a manner dependent on the p38 MAPK family. Ligand and stresses such as X-rays, reportedly promote…”
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Alpelisib decreases nevocytes of congenital melanocytic nevi
Published in Journal of the European Academy of Dermatology and Venereology (01-06-2024)“…Multiple, large or giant congenital melanocytic nevi (CMN) are uncommon and affected patients can show progressive growth and thickening, associate…”
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Agonist-induced membrane nanodomain clustering drives GLP-1 receptor responses in pancreatic beta cells
Published in PLoS biology (20-08-2019)“…The glucagon-like peptide-1 receptor (GLP-1R), a key pharmacological target in type 2 diabetes (T2D) and obesity, undergoes rapid endocytosis after stimulation…”
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Focal Adhesion Remodeling Is Crucial for Glucose-Stimulated Insulin Secretion and Involves Activation of Focal Adhesion Kinase and Paxillin
Published in Diabetes (New York, N.Y.) (01-04-2011)“…Actin cytoskeleton remodeling is known to be involved in glucose-stimulated insulin secretion (GSIS). We have observed glucose-stimulated changes at the β-cell…”
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Moesin and cortactin control actin-dependent multivesicular endosome biogenesis
Published in Molecular biology of the cell (01-11-2016)“…We used in vivo and in vitro strategies to study the mechanisms of multivesicular endosome biogenesis. We found that, whereas annexinA2 and ARP2/3 mediate…”
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WASH and Tsg101/ALIX-dependent diversion of stress-internalized EGFR from the canonical endocytic pathway
Published in Nature communications (12-06-2015)“…Stress exposure triggers ligand-independent EGF receptor (EGFR) endocytosis, but its post-endocytic fate and role in regulating signalling are unclear. We show…”
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Variation in responses to incretin therapy: Modifiable and non-modifiable factors
Published in Frontiers in molecular biosciences (07-04-2023)“…Type 2 diabetes (T2D) and obesity have reached epidemic proportions. Incretin therapy is the second line of treatment for T2D, improving both blood glucose…”
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OSBP-mediated PI(4)P-cholesterol exchange at endoplasmic reticulum-secretory granule contact sites controls insulin secretion
Published in Cell reports (Cambridge) (23-04-2024)“…Insulin is packaged into secretory granules that depart the Golgi and undergo a maturation process that involves changes in the protein and lipid composition…”
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Ligand-Specific Factors Influencing GLP-1 Receptor Post-Endocytic Trafficking and Degradation in Pancreatic Beta Cells
Published in International journal of molecular sciences (09-11-2020)“…The glucagon-like peptide-1 receptor (GLP-1R) is an important regulator of blood glucose homeostasis. Ligand-specific differences in membrane trafficking of…”
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In vivo and in vitro characterization of GL0034, a novel long‐acting glucagon‐like peptide‐1 receptor agonist
Published in Diabetes, obesity & metabolism (01-11-2022)“…Aims To describe the in vitro characteristics and antidiabetic in vivo efficacy of the novel glucagon‐like peptide‐1 receptor agonist (GLP‐1RA) GL0034…”
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GRK2 regulates GLP-1R-mediated early phase insulin secretion in vivo
Published in BMC biology (03-03-2021)“…Insulin secretion from the pancreatic β-cell is finely modulated by different signals to allow an adequate control of glucose homeostasis. Incretin hormones…”
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A case of unilateral linear capillaritis
Published in Pediatric dermatology (01-07-2020)“…Unilateral linear capillaritis is a rare variant of the pigmented purpuric dermatoses that can be misdiagnosed due to confusion with other cutaneous diseases…”
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Receptor Activity-Modifying Protein 2 (RAMP2) alters glucagon receptor trafficking in hepatocytes with functional effects on receptor signalling
Published in Molecular metabolism (Germany) (01-11-2021)“…Receptor Activity-Modifying Protein 2 (RAMP2) is a chaperone protein which allosterically binds to and interacts with the glucagon receptor (GCGR). The aims of…”
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