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Erdelsky MR, Groves SA, Shah C, Delios SB, Umana MB, Maurice DH. Phosphodiesterase 4 activity uniquely regulates ciliary cAMP-dependent 3T3-L1 adipogenesis. Cell Signal 2024; 113:110981. [PMID: 37981066 DOI: 10.1016/j.cellsig.2023.110981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 11/09/2023] [Accepted: 11/14/2023] [Indexed: 11/21/2023]
Abstract
Recent evidence indicates that the presence of a primary cilium (PC), and of selective cAMP signaling within this smallest of organelles, promotes adipogenic differentiation of 3T3-L1 preadipocytes incubated in media supplemented with either a natural (docosahexaenoic acid, DHA), or a synthetic (TUG-891), free fatty acid receptor 4 (FFAR4) agonist. Indeed, in this earlier work, activation of ciliary FFAR4 in 3T3-L1 cells was correlated with selective increases in PC cAMP and adipogenesis in these cells. However, this study was silent on the role of local PC cAMP phosphodiesterases (PDEs)-mediated events in regulating these adipogenic responses and on the identity of cAMP PDEs that could regulate the "pool" of ciliary cAMP accessed by FFAR4 agonists. In this context, we have identified the PDEs expressed by 3T3-L1 preadipocytes and showed that of these, only PDE4 inhibition promotes FFAR4-mediated adipogenesis. We propose that this work will identify more selective therapeutic targets through which to control adipogenesis, and perhaps the differentiation of other stem cells in which ciliary cAMP is critical.
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Affiliation(s)
- Mikayla R Erdelsky
- Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Sarah A Groves
- Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Charmi Shah
- Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Samantha B Delios
- Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - M Bibiana Umana
- Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Donald H Maurice
- Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada.
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Kolonas A, Vareltzis P, Kiroglou S, Goutzourelas N, Stagos D, Trachana V, Tsadila C, Mossialos D, Mourtakos S, Gortzi O. Antioxidant and Antibacterial Properties of a Functional Sports Beverage Formulation. Int J Mol Sci 2023; 24:ijms24043558. [PMID: 36834967 PMCID: PMC9959907 DOI: 10.3390/ijms24043558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 02/04/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023] Open
Abstract
Athletes often consume functional beverages in order to improve performance and reduce oxidative stress caused by high-intensity exercise. The present study aimed to evaluate the antioxidant and antibacterial properties of a functional sports beverage formulation. The beverage's antioxidant effects were assessed on human mesenchymal stem cells (MSCs) by determining thiobarbituric acid reactive substances (TBARS; TBARS levels decreased significantly by 52.67% at 2.0 mg/mL), total antioxidant capacity (TAC; TAC levels increased significantly by 80.82% at 2.0 mg/mL) and reduced glutathione (GSH; GSH levels increased significantly by 24.13% at 2.0 mg/mL) levels. Furthermore, the beverage underwent simulated digestion following the INFOGEST protocol to assess its oxidative stability. The analysis of the total phenolic content (TPC) using the Folin-Ciocalteu assay revealed that the beverage contained a TPC of 7.58 ± 0.066 mg GAE/mL, while the phenolics identified by HPLC were catechin (2.149 mg/mL), epicatechin (0.024 mg/mL), protocatechuic acid (0.012 mg/mL), luteolin 7-glucoside (0.001 mg/mL), and kaempferol-3-O-β-rutinoside (0.001 mg/mL). The beverage's TPC was strongly correlated with TAC (R2 = 896). Moreover, the beverage showcased inhibitory and bacteriostatic effects against Staphylococcus aureus and Pseudomonas aeruginosa. Lastly, the sensory acceptance test demonstrated that the functional sports beverage was well accepted by the assessors.
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Affiliation(s)
- Alexandros Kolonas
- Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, 384 46 Volos, Greece
| | - Patroklos Vareltzis
- Laboratory of Food and Agricultural Industries Technologies, Chemical Engineering Department, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Smaro Kiroglou
- Laboratory of Food and Agricultural Industries Technologies, Chemical Engineering Department, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Nikolaos Goutzourelas
- Department of Biochemistry and Biotechnology, School of Health Sciences, University of Thessaly, Biopolis, 415 00 Larissa, Greece
| | - Dimitrios Stagos
- Department of Biochemistry and Biotechnology, School of Health Sciences, University of Thessaly, Biopolis, 415 00 Larissa, Greece
| | - Varvara Trachana
- Department of Biology, Faculty of Medicine, University of Thessaly, Biopolis, 415 00 Larissa, Greece
| | - Christina Tsadila
- Microbial Biotechnology-Molecular Bacteriology-Virology Laboratory, Department of Biochemistry & Biotechnology, University of Thessaly, 415 00 Larissa, Greece
| | - Dimitris Mossialos
- Microbial Biotechnology-Molecular Bacteriology-Virology Laboratory, Department of Biochemistry & Biotechnology, University of Thessaly, 415 00 Larissa, Greece
| | - Stamatis Mourtakos
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University of Athens, 176 71 Athens, Greece
| | - Olga Gortzi
- Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, 384 46 Volos, Greece
- Correspondence:
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