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Taheri M, Chilibeck PD, Cornish SM. A Brief Narrative Review of the Underlying Mechanisms Whereby Omega-3 Fatty Acids May Influence Skeletal Muscle: From Cell Culture to Human Interventions. Nutrients 2023; 15:2926. [PMID: 37447252 DOI: 10.3390/nu15132926] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 06/24/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
Skeletal muscle is essential for human locomotion as well as maintaining metabolic homeostasis. Age-related reduction in skeletal muscle mass, strength, and function (i.e., sarcopenia) is a result of pathophysiological processes that include inflammation, alteration of molecular signaling for muscle protein synthesis and degradation, changes in insulin sensitivity, as well as altered skeletal muscle satellite cell activity. Finding strategies to mitigate skeletal muscle loss with age is deemed paramount as the percentage of the population continues to shift towards having more older adults with sarcopenia. Recent research indicates omega-3 fatty acid supplementation can influence anabolic or catabolic pathways in skeletal muscle. Our brief review will provide a synopsis of some underlying mechanisms that may be attributed to omega-3 fatty acid supplementation's effects on skeletal muscle. We will approach this review by focusing on cell culture, animal (pre-clinical models), and human studies evaluating omega-3 fatty acid supplementation, with suggestions for future research. In older adults, omega-3 fatty acids may possess some potential to modify pathophysiological pathways associated with sarcopenia; however, it is highly likely that omega-3 fatty acids need to be combined with other anabolic interventions to effectively ameliorate sarcopenia.
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Affiliation(s)
- Maryam Taheri
- Faculty of Sport Sciences and Health, Shahid Beheshti University, Tehran 19839 69411, Iran
- Faculty of Kinesiology and Recreation Management, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - Philip D Chilibeck
- College of Kinesiology, University of Saskatchewan, Saskatoon, SK S7N 5A9, Canada
| | - Stephen M Cornish
- Faculty of Kinesiology and Recreation Management, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
- Centre on Aging, University of Manitoba, Winnipeg, MB R3E 0J9, Canada
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Khoury S, Beauvais A, Colas J, Saint-Martin Willer A, Perros F, Humbert M, Vandebrouck C, Montani D, Ferreira T, Antigny F. Lipidomic Profile Analysis of Lung Tissues Revealed Lipointoxication in Pulmonary Veno-Occlusive Disease. Biomolecules 2022; 12:biom12121878. [PMID: 36551306 PMCID: PMC9775349 DOI: 10.3390/biom12121878] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Revised: 12/11/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Pulmonary veno-occlusive disease (PVOD) is a rare form of pulmonary arterial hypertension (PAH) occurring in a heritable form (hPVOD) due to biallelic inactivating mutations of EIF2AK4 (encoding GCN2, general control nonderepressible 2) or in a sporadic form in older age (sPVOD), following exposure to chemotherapy or organic solvents. In contrast to PAH, PVOD is characterized by a particular remodeling of the pulmonary venous system and the obliteration of small pulmonary veins by fibrous intimal thickening and patchy capillary proliferation. The pathobiological knowledge of PVOD is poor, explaining the absence of medical therapy for PVOD. Lung transplantation remains the only therapy for eligible PVOD patients. As we recently demonstrated, respiratory diseases, chronic obstructive pulmonary disease, or cystic fibrosis exhibit lipointoxication signatures characterized by excessive levels of saturated phospholipids contributing to the pathological features of these diseases, including endoplasmic reticulum stress, pro-inflammatory cytokines production, and bronchoconstriction. In this study, we investigated and compared the clinical data and lung lipid signature of control (10 patients), idiopathic PAH (7 patients), heritable PAH (9 BMPR2 mutations carriers), hPVOD (10 EIF2AK4 mutation carriers), and sPVOD (6 non-carriers) subjects. Mass spectrometry analyses demonstrated lung lipointoxication only in hPVOD patients, characterized by an increased abundance of saturated phosphatidylcholine (PC) at the expense of the polyunsaturated species in the lungs of hPVOD patients. The present data suggest that lipointoxication could be a potential player in the etiology of PVOD.
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Affiliation(s)
- Spiro Khoury
- Laboratoire Cooperatif “Lipotoxicity and Channelopathies-ConicMeds”, Universite de Poitiers, Rue Georges Bonnet, 86073 Poitiers, France
| | - Antoine Beauvais
- Facultede Medecine, Universite Paris-Saclay, 94270 Le Kremlin-Bicêtre, France
- INSERM, UMR-S 999, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
- Assistance Publique-Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Centre de Référence de l’Hypertension Pulmonaire, Hôpital Bicêtre, 94270 Le Kremlin-Bicêtre, France
| | - Jenny Colas
- Laboratoire Cooperatif “Lipotoxicity and Channelopathies-ConicMeds”, Universite de Poitiers, Rue Georges Bonnet, 86073 Poitiers, France
- PReTI Laboratory, University of Poitiers, 86073 Poitiers, France
| | - Anaïs Saint-Martin Willer
- Facultede Medecine, Universite Paris-Saclay, 94270 Le Kremlin-Bicêtre, France
- INSERM, UMR-S 999, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
| | - Frédéric Perros
- Facultede Medecine, Universite Paris-Saclay, 94270 Le Kremlin-Bicêtre, France
- INSERM, UMR-S 999, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
| | - Marc Humbert
- Facultede Medecine, Universite Paris-Saclay, 94270 Le Kremlin-Bicêtre, France
- INSERM, UMR-S 999, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
- Assistance Publique-Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Centre de Référence de l’Hypertension Pulmonaire, Hôpital Bicêtre, 94270 Le Kremlin-Bicêtre, France
| | - Clarisse Vandebrouck
- Laboratoire Cooperatif “Lipotoxicity and Channelopathies-ConicMeds”, Universite de Poitiers, Rue Georges Bonnet, 86073 Poitiers, France
- PReTI Laboratory, University of Poitiers, 86073 Poitiers, France
| | - David Montani
- Facultede Medecine, Universite Paris-Saclay, 94270 Le Kremlin-Bicêtre, France
- INSERM, UMR-S 999, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
- Assistance Publique-Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Centre de Référence de l’Hypertension Pulmonaire, Hôpital Bicêtre, 94270 Le Kremlin-Bicêtre, France
| | - Thierry Ferreira
- Laboratoire Cooperatif “Lipotoxicity and Channelopathies-ConicMeds”, Universite de Poitiers, Rue Georges Bonnet, 86073 Poitiers, France
- PReTI Laboratory, University of Poitiers, 86073 Poitiers, France
| | - Fabrice Antigny
- Facultede Medecine, Universite Paris-Saclay, 94270 Le Kremlin-Bicêtre, France
- INSERM, UMR-S 999, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
- Correspondence:
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Castillo Salinas F, Montaner Ramón A, Castillo Ferrer FJ, Domingo-Carnice A, Cordobilla B, Domingo JC. Erythrocyte Membrane Docosahexaenoic Acid (DHA) and Lipid Profile in Preterm Infants at Birth and Over the First Month of Life: A Comparative Study with Infants at Term. Nutrients 2022; 14:nu14234956. [PMID: 36500985 PMCID: PMC9740272 DOI: 10.3390/nu14234956] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/18/2022] [Accepted: 11/21/2022] [Indexed: 11/24/2022] Open
Abstract
An observational comparative study was designed to assess the fatty acids profile in erythrocyte membrane phospholipids of 30 preterm neonates (<32 weeks gestation) at birth and after 1 month of life versus a convenience sample of 10 infants born at term. The panel of fatty acids included the families and components of saturated fatty acids (SFAs), monounsaturated fatty acids (MUFAs), and n-6 and n-3 polyunsaturated fatty acids (PUFAs) as well as enzyme activity indexes and fatty acids ratios. At birth, the comparison of fatty acid families between preterm and term neonates showed a significantly higher content of SFAs and n-6 PUFAs, and a significantly lower content of MUFAs and n-3 PUFAs in the preterm group. After 30 days of life, significantly higher levels of n-6 PUFAs and significantly lower levels of n-3 PUFAs among preterm neonates persisted. At 30 days of birth, n-6 PUFA/n-3 PUFA and arachidonic acid (ARA) ARA/DHA remained significantly elevated, and DHA sufficiency index significantly decreased in the preterm group. The pattern of n-3 PUFA deficiency at birth and sustained for the first month of life would support the need of milk banking fortified with DHA and the use of DHA supplementation in breastfeeding mothers.
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Affiliation(s)
- Félix Castillo Salinas
- Service of Neonatology, Hospital Universitari Vall d’Hebron, Universitat Autónoma de Barcelona, E-08035 Barcelona, Spain
| | - Alicia Montaner Ramón
- Service of Neonatology, Hospital Universitari Vall d’Hebron, Universitat Autónoma de Barcelona, E-08035 Barcelona, Spain
| | - Félix-Joel Castillo Ferrer
- Service of Neonatology, Hospital Universitari Vall d’Hebron, Universitat Autónoma de Barcelona, E-08035 Barcelona, Spain
| | - Adrià Domingo-Carnice
- Department of Clinical Pharmacology, Hospital Universitari de Bellvitge, L’Hospitalet de Llobregat, E-08907 Barcelona, Spain
| | - Begoña Cordobilla
- Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, Universitat de Barcelona, Avinguda Diagonal 643, E-08028 Barcelona, Spain
| | - Joan Carles Domingo
- Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, Universitat de Barcelona, Avinguda Diagonal 643, E-08028 Barcelona, Spain
- Correspondence: ; Tel.: +34-934021214
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Ratrey P, Datta B, Mishra A. Intracellular Bacterial Targeting by a Thiazolyl Benzenesulfonamide and Octaarginine Peptide Complex. ACS APPLIED BIO MATERIALS 2022; 5:3257-3268. [PMID: 35736131 DOI: 10.1021/acsabm.2c00252] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A brominated thiazolyl benzenesulfonamide (BTB) derivative is conjugated with the cell-penetrating peptide octaarginine (R8) in an effort to construct innovative antibacterial products. The noncovalent complex of BTB and R8 is characterized by Fourier transform infrared (FTIR) spectroscopy, which indicates hydrogen bonding between the two constituents. Attachment of the peptide moiety renders aqueous solubility to the hydrophobic benzenesulfonamide drug and bestows bactericidal activity. Confocal imaging in conjunction with dye probes shows successful clearance of intracellular Staphylococcus aureus bacteria by the BTB-R8 complex. Scanning electron micrographs and studies with a set of fluorescent dyes suggest active disruption of the bacterial cell membrane by the BTB-R8 complex. In contrast, the complex of BTB with octalysine (K8) fails to cause membrane damage and displays a modest antibacterial effect. A complex of BTB with the water-soluble hydrophilic polymer poly(vinylpyrrolidone) (PVP) does not display any antibacterial effect, indicating the distinctive role of the cell-penetrating peptide (CPP) R8 in the cognate complex. The leakage of the encapsulated dye from giant unilamellar vesicles upon interaction with the BTB-R8 complex further highlights the membrane activity of the complex, which cannot be accomplished by bare sulfonamide alone. This work broadens the scope of use of CPPs with respect to eliciting antibacterial activity and potentially expands the limited arsenal of membrane-targeting antibiotics.
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Affiliation(s)
- Poonam Ratrey
- Materials Science and Engineering, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar 382355, India
- Department of Biological Engineering, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar 382355, India
| | - Bhaskar Datta
- Department of Biological Engineering, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar 382355, India
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar 382355, India
| | - Abhijit Mishra
- Materials Science and Engineering, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar 382355, India
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