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Santana-Lima B, Belaunde LHZ, de Souza KD, Rosa ME, de Carvalho JE, Machado-Jr J, Alonso-Vale MIC, Caseli L, Rando DGG, Caperuto LC. Acute Kaempferol Stimulation Induces AKT Phosphorylation in HepG2 Cells. Life (Basel) 2024; 14:764. [PMID: 38929747 PMCID: PMC11205056 DOI: 10.3390/life14060764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 06/08/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024] Open
Abstract
Type 2 diabetes mellitus (T2DM) stands as a prevalent global public health issue caused by deficiencies in the action of insulin and/or insulin production. In the liver, insulin plays an important role by inhibiting hepatic glucose production and stimulating glycogen storage, thereby contributing to blood glucose regulation. Kaempferitrin (KP) and kaempferol (KM), flavonoids found in Bauhinia forficata, exhibit insulin-mimetic properties, showing promise in managing T2DM. In this study, we aimed to assess the potential of these compounds in modulating the insulin signaling pathway and/or glucose metabolism. Cell viability assays confirmed the non-cytotoxic nature of both compounds toward HepG2 cells at the concentrations and times evaluated. Theoretical molecular docking studies revealed that KM had the best docking pose with the IR β subunit when compared to the KP. Moreover, Langmuir monolayer evaluation indicated molecular incorporation for both KM and KP. Specifically, KM exhibited the capability to increase AKT phosphorylation, a key kinase in insulin signaling, regardless of insulin receptor (IR) activation. Notably, KM showed an additional synergistic effect with insulin in activating AKT. In conclusion, our findings suggest the potential of KM as a promising compound for stimulating AKT activation, thereby influencing energy metabolism in T2DM.
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Affiliation(s)
- Beatriz Santana-Lima
- Programa de Pós-Graduação em Biologia Química, Instituto de Ciências Ambientais, Químicas e Farmacêuticas—ICAQF, Universidade Federal de São Paulo, Diadema 09913-030, SP, Brazil; (B.S.-L.)
| | - Lucas Humberto Zimmermann Belaunde
- Programa de Pós-Graduação em Biologia Química, Instituto de Ciências Ambientais, Químicas e Farmacêuticas—ICAQF, Universidade Federal de São Paulo, Diadema 09913-030, SP, Brazil; (B.S.-L.)
| | - Karine Damaceno de Souza
- Programa de Pós-Graduação em Biologia Química, Instituto de Ciências Ambientais, Químicas e Farmacêuticas—ICAQF, Universidade Federal de São Paulo, Diadema 09913-030, SP, Brazil; (B.S.-L.)
| | - Matheus Elias Rosa
- Programa de Pós-Graduação em Química—Ciência e Tecnologia da Sustentabilidade, Instituto de Ciências Ambientais, Químicas e Farmacêuticas—ICAQF, Universidade Federal de São Paulo, Diadema 09913-030, SP, Brazil
| | - Jose Eduardo de Carvalho
- Departamento de Biologia e Ecologia Evolutiva, Instituto de Ciências Ambientais, Químicas e Farmacêuticas—ICAQF, Universidade Federal de São Paulo, Diadema 09913-030, SP, Brazil
| | - Joel Machado-Jr
- Departamento de Ciências Biológicas, Instituto de Ciências Ambientais, Químicas e Farmacêuticas—ICAQF, Universidade Federal de São Paulo, Diadema 09913-030, SP, Brazil
| | - Maria Isabel Cardoso Alonso-Vale
- Programa de Pós-Graduação em Biologia Química, Instituto de Ciências Ambientais, Químicas e Farmacêuticas—ICAQF, Universidade Federal de São Paulo, Diadema 09913-030, SP, Brazil; (B.S.-L.)
- Departamento de Ciências Biológicas, Instituto de Ciências Ambientais, Químicas e Farmacêuticas—ICAQF, Universidade Federal de São Paulo, Diadema 09913-030, SP, Brazil
| | - Luciano Caseli
- Programa de Pós-Graduação em Química—Ciência e Tecnologia da Sustentabilidade, Instituto de Ciências Ambientais, Químicas e Farmacêuticas—ICAQF, Universidade Federal de São Paulo, Diadema 09913-030, SP, Brazil
- Departamento de Química, Instituto de Ciências Ambientais, Químicas e Farmacêuticas—ICAQF, Universidade Federal de São Paulo, Diadema 09913-030, SP, Brazil
| | - Daniela Gonçales Galasse Rando
- Programa de Pós-Graduação em Biologia Química, Instituto de Ciências Ambientais, Químicas e Farmacêuticas—ICAQF, Universidade Federal de São Paulo, Diadema 09913-030, SP, Brazil; (B.S.-L.)
- Departamento de Ciências Farmacêuticas, Instituto de Ciências Ambientais, Químicas e Farmacêuticas—ICAQF, Universidade Federal de São Paulo, Diadema 09913-030, SP, Brazil
| | - Luciana Chagas Caperuto
- Programa de Pós-Graduação em Biologia Química, Instituto de Ciências Ambientais, Químicas e Farmacêuticas—ICAQF, Universidade Federal de São Paulo, Diadema 09913-030, SP, Brazil; (B.S.-L.)
- Departamento de Ciências Biológicas, Instituto de Ciências Ambientais, Químicas e Farmacêuticas—ICAQF, Universidade Federal de São Paulo, Diadema 09913-030, SP, Brazil
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Kulin A, Kucsma N, Bohár B, Literáti-Nagy B, Korányi L, Cserepes J, Somogyi A, Sarkadi B, Szabó E, Várady G. Genetic Modulation of the GLUT1 Transporter Expression-Potential Relevance in Complex Diseases. BIOLOGY 2022; 11:1669. [PMID: 36421383 PMCID: PMC9687623 DOI: 10.3390/biology11111669] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/11/2022] [Accepted: 11/14/2022] [Indexed: 12/01/2023]
Abstract
The human GLUT1 (SLC2A1) membrane protein is the key glucose transporter in numerous cell types, including red cells, kidney, and blood-brain barrier cells. The expression level of this protein has a role in several diseases, including cancer and Alzheimer's disease. In this work, to investigate a potential genetic modulation of the GLUT1 expression level, the protein level was measured in red cell membranes by flow cytometry, and the genetic background was analyzed by qPCR and luciferase assays. We found significant associations between red cell GLUT1 levels and four single nucleotide polymorphisms (SNP) in the coding SLC2A1 gene, that in individuals with the minor alleles of rs841848, rs1385129, and rs11537641 had increased, while those having the variant rs841847 had decreased erythrocyte GLUT1 levels. In the luciferase reporter studies performed in HEK-293T and HepG2 cells, a similar SNP-dependent modulation was observed, and lower glucose, serum, and hypoxic condition had variable, cell- and SNP-specific effects on luciferase expression. These results should contribute to a more detailed understanding of the genetic background of membrane GLUT1 expression and its potential role in associated diseases.
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Affiliation(s)
- Anna Kulin
- Doctoral School of Molecular Medicine, Semmelweis University, 1085 Budapest, Hungary
- Institute of Enzymology, Research Centre for Natural Sciences, 1117 Budapest, Hungary
| | - Nóra Kucsma
- Institute of Enzymology, Research Centre for Natural Sciences, 1117 Budapest, Hungary
| | - Balázs Bohár
- Doctoral School of Biology, Eötvös Loránd University, 1117 Budapest, Hungary
| | | | | | | | - Anikó Somogyi
- 2nd Department of Internal Medicine, Semmelweis University, 1088 Budapest, Hungary
| | - Balázs Sarkadi
- Doctoral School of Molecular Medicine, Semmelweis University, 1085 Budapest, Hungary
- Institute of Enzymology, Research Centre for Natural Sciences, 1117 Budapest, Hungary
| | - Edit Szabó
- Institute of Enzymology, Research Centre for Natural Sciences, 1117 Budapest, Hungary
| | - György Várady
- Doctoral School of Molecular Medicine, Semmelweis University, 1085 Budapest, Hungary
- Institute of Enzymology, Research Centre for Natural Sciences, 1117 Budapest, Hungary
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Preferential effect of Montelukast on Dapagliflozin: Modulation of IRS-1/AKT/GLUT4 and ER stress response elements improves insulin sensitivity in soleus muscle of a type-2 diabetic rat model. Life Sci 2022; 307:120865. [DOI: 10.1016/j.lfs.2022.120865] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 08/01/2022] [Accepted: 08/02/2022] [Indexed: 01/12/2023]
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Vacelet L, Hupin D, Pichot V, Celle S, Court-Fortune I, Thomas T, Garcin A, Barthélémy JC, Gozal D, Roche F. Insulin Resistance and Type 2 Diabetes in Asymptomatic Obstructive Sleep Apnea: Results of the PROOF Cohort Study After 7 Years of Follow-Up. Front Physiol 2021; 12:650758. [PMID: 34393806 PMCID: PMC8355896 DOI: 10.3389/fphys.2021.650758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 07/05/2021] [Indexed: 11/25/2022] Open
Abstract
The aim of the study was to assess potential associations between obstructive sleep apnea (OSA) and the occurrence of diabetes mellitus and insulin resistance in the elderly. Nondiabetic volunteers (n = 549) with undiagnosed or untreated asymptomatic OSA (66.2+/−1 years at the inclusion) were evaluated as an ancillary study of the PROOF cohort study (n = 1,011). After 7 years follow-up, 494 subjects underwent assessment of fasting insulin and glucose levels. OSA was defined by an apnea-hypopnea index (AHI) of ≥15/h using polygraphy. Diabetes mellitus was defined by a fasting glucose ≥ 1.26 g/L and/or when requiring pharmacological treatment, while insulin resistance corresponded to HOMA-IR ≥ 2. Asymptomatic OSA subjects (men or women) did not display increased risk of incident diabetes (2.8 vs. 3.9%, p = 0.51). However, there was a greater frequency of insulin resistance in subjects with severe OSA (AHI > 30) [OR 2.21; 95% CI (1.22–4.02); p = 0.009]. Furthermore, multiple logistic regression showed that triglycerides levels [OR 1.61; 95% CI (1.10–2.36); p = 0.01] and fasting glycaemia [OR 4.69; 95% CI (1.12–192.78); p = 0.04], but not AHI or oxyhemoglobin desaturation index were independently associated with higher rate of insulin resistance. The deleterious metabolic effect of asymptomatic OSA in the population may be indirectly mediated via perturbations in lipids, and is particularly likely to become manifest in severe apneic subjects with higher glycemic levels.
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Affiliation(s)
- Laurine Vacelet
- Service de Physiologie Clinique et de l'Exercice, CHU Saint Etienne, Saint Etienne Cedex, France.,Sainbiose DVH U1059 Inserm, Faculté de Médecine J Lisfranc, Université Jean Monnet, Saint Etienne Cedex, France
| | - David Hupin
- Service de Physiologie Clinique et de l'Exercice, CHU Saint Etienne, Saint Etienne Cedex, France.,Service de Pneumologie, CHU Saint Etienne, Saint Etienne Cedex, France
| | - Vincent Pichot
- Service de Physiologie Clinique et de l'Exercice, CHU Saint Etienne, Saint Etienne Cedex, France.,Service de Pneumologie, CHU Saint Etienne, Saint Etienne Cedex, France
| | - Sébastien Celle
- Service de Physiologie Clinique et de l'Exercice, CHU Saint Etienne, Saint Etienne Cedex, France.,Service de Pneumologie, CHU Saint Etienne, Saint Etienne Cedex, France
| | - Isabelle Court-Fortune
- Sainbiose DVH U1059 Inserm, Faculté de Médecine J Lisfranc, Université Jean Monnet, Saint Etienne Cedex, France
| | - Thierry Thomas
- Service de Pneumologie, CHU Saint Etienne, Saint Etienne Cedex, France.,Service de Rhumatologie, CHU Saint Etienne, Saint Etienne Cedex, France
| | - Arnauld Garcin
- Service de Pneumologie, CHU Saint Etienne, Saint Etienne Cedex, France.,URCIP, CHU Saint Etienne, Saint Etienne Cedex, France
| | - Jean-Claude Barthélémy
- Service de Physiologie Clinique et de l'Exercice, CHU Saint Etienne, Saint Etienne Cedex, France.,Service de Pneumologie, CHU Saint Etienne, Saint Etienne Cedex, France
| | - David Gozal
- Department of Child Health, MU Women's and Children's Hospital, Columbia, MO, United States
| | - Frédéric Roche
- Service de Physiologie Clinique et de l'Exercice, CHU Saint Etienne, Saint Etienne Cedex, France.,Service de Pneumologie, CHU Saint Etienne, Saint Etienne Cedex, France
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Obstructive sleep apnoea and cardiovascular consequences: Pathophysiological mechanisms. Arch Cardiovasc Dis 2020; 113:350-358. [DOI: 10.1016/j.acvd.2020.01.003] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 01/10/2020] [Accepted: 01/15/2020] [Indexed: 12/11/2022]
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Almanza A, Carlesso A, Chintha C, Creedican S, Doultsinos D, Leuzzi B, Luís A, McCarthy N, Montibeller L, More S, Papaioannou A, Püschel F, Sassano ML, Skoko J, Agostinis P, de Belleroche J, Eriksson LA, Fulda S, Gorman AM, Healy S, Kozlov A, Muñoz‐Pinedo C, Rehm M, Chevet E, Samali A. Endoplasmic reticulum stress signalling - from basic mechanisms to clinical applications. FEBS J 2019; 286:241-278. [PMID: 30027602 PMCID: PMC7379631 DOI: 10.1111/febs.14608] [Citation(s) in RCA: 549] [Impact Index Per Article: 109.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Revised: 06/24/2018] [Accepted: 07/18/2018] [Indexed: 02/06/2023]
Abstract
The endoplasmic reticulum (ER) is a membranous intracellular organelle and the first compartment of the secretory pathway. As such, the ER contributes to the production and folding of approximately one-third of cellular proteins, and is thus inextricably linked to the maintenance of cellular homeostasis and the fine balance between health and disease. Specific ER stress signalling pathways, collectively known as the unfolded protein response (UPR), are required for maintaining ER homeostasis. The UPR is triggered when ER protein folding capacity is overwhelmed by cellular demand and the UPR initially aims to restore ER homeostasis and normal cellular functions. However, if this fails, then the UPR triggers cell death. In this review, we provide a UPR signalling-centric view of ER functions, from the ER's discovery to the latest advancements in the understanding of ER and UPR biology. Our review provides a synthesis of intracellular ER signalling revolving around proteostasis and the UPR, its impact on other organelles and cellular behaviour, its multifaceted and dynamic response to stress and its role in physiology, before finally exploring the potential exploitation of this knowledge to tackle unresolved biological questions and address unmet biomedical needs. Thus, we provide an integrated and global view of existing literature on ER signalling pathways and their use for therapeutic purposes.
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Affiliation(s)
- Aitor Almanza
- Apoptosis Research CentreNational University of IrelandGalwayIreland
| | - Antonio Carlesso
- Department of Chemistry and Molecular BiologyUniversity of GothenburgGöteborgSweden
| | - Chetan Chintha
- Apoptosis Research CentreNational University of IrelandGalwayIreland
| | | | - Dimitrios Doultsinos
- INSERM U1242University of RennesFrance
- Centre de Lutte Contre le Cancer Eugène MarquisRennesFrance
| | - Brian Leuzzi
- Apoptosis Research CentreNational University of IrelandGalwayIreland
| | - Andreia Luís
- Ludwig Boltzmann Institute for Experimental and Clinical TraumatologyAUVA Research CentreViennaAustria
| | - Nicole McCarthy
- Institute for Experimental Cancer Research in PaediatricsGoethe‐UniversityFrankfurtGermany
| | - Luigi Montibeller
- Neurogenetics GroupDivision of Brain SciencesFaculty of MedicineImperial College LondonUK
| | - Sanket More
- Department Cellular and Molecular MedicineLaboratory of Cell Death and TherapyKU LeuvenBelgium
| | - Alexandra Papaioannou
- INSERM U1242University of RennesFrance
- Centre de Lutte Contre le Cancer Eugène MarquisRennesFrance
| | - Franziska Püschel
- Cell Death Regulation GroupOncobell ProgramBellvitge Biomedical Research Institute (IDIBELL)BarcelonaSpain
| | - Maria Livia Sassano
- Department Cellular and Molecular MedicineLaboratory of Cell Death and TherapyKU LeuvenBelgium
| | - Josip Skoko
- Institute of Cell Biology and ImmunologyUniversity of StuttgartGermany
| | - Patrizia Agostinis
- Department Cellular and Molecular MedicineLaboratory of Cell Death and TherapyKU LeuvenBelgium
| | - Jackie de Belleroche
- Neurogenetics GroupDivision of Brain SciencesFaculty of MedicineImperial College LondonUK
| | - Leif A. Eriksson
- Department of Chemistry and Molecular BiologyUniversity of GothenburgGöteborgSweden
| | - Simone Fulda
- Institute for Experimental Cancer Research in PaediatricsGoethe‐UniversityFrankfurtGermany
| | | | - Sandra Healy
- Apoptosis Research CentreNational University of IrelandGalwayIreland
| | - Andrey Kozlov
- Ludwig Boltzmann Institute for Experimental and Clinical TraumatologyAUVA Research CentreViennaAustria
| | - Cristina Muñoz‐Pinedo
- Cell Death Regulation GroupOncobell ProgramBellvitge Biomedical Research Institute (IDIBELL)BarcelonaSpain
| | - Markus Rehm
- Institute of Cell Biology and ImmunologyUniversity of StuttgartGermany
| | - Eric Chevet
- INSERM U1242University of RennesFrance
- Centre de Lutte Contre le Cancer Eugène MarquisRennesFrance
| | - Afshin Samali
- Apoptosis Research CentreNational University of IrelandGalwayIreland
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