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Li M, Li T, Yang T, Huang L, Zhao J, Liu H, Chen Y, Li W, Zhu Y, Ma F, Yan J, Huang G. Cognitive Benefits of Folic Acid, Docosahexaenoic Acid, and a Combination of Both Nutrients in Mild Cognitive Impairment: Possible Alterations through Mitochondrial Function and DNA Damage. Gerontology 2024:1-10. [PMID: 38952108 DOI: 10.1159/000540021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Accepted: 06/17/2024] [Indexed: 07/03/2024] Open
Abstract
INTRODUCTION It is uncertain whether folic acid (FA) combined with docosahexaenoic acid (DHA) could improve cognitive performance. This study evaluated the effects of a 12-month FA and DHA supplementation, in combination or alone, on cognitive function, DNA oxidative damage, and mitochondrial function in participants with mild cognitive impairment (MCI). METHODS This randomized, double-blind, placebo-controlled trial recruited MCI participants aged 60 years and older. Two hundred and eighty participants were randomly divided in equal proportion into four groups: FA + DHA (FA 800 μg/d + DHA 800 mg/d), FA (800 μg/d), DHA (800 mg/d), and placebo groups daily orally for 12 months. The primary outcome was cognitive function evaluated by the Wechsler Adult Intelligence Scale-Revised (WAIS-RC). Cognitive tests and blood mechanism-related biomarkers were determined at baseline and 12 months. RESULTS During the 12-month follow-up, scores of full intelligence quotient (βDHA: 1.302, 95% CI: 0.615, 1.990, p < 0.001; βFA: 1.992, 95% CI: 1.304, 2.679, p < 0.001; βFA+DHA: 2.777, 95% CI: 2.090, 3.465, p < 0.001), verbal intelligence quotient, and some subtests of the WAIS-RC were significantly improved in FA + DHA and single intervention groups compared to the placebo group. Moreover, the FA and DHA intervention combination was superior to either intervention alone (p < 0.001). Meanwhile, FA, DHA, and their combined use significantly decreased 8-OHdG level and increased mitochondrial DNA copy number compared to the placebo (p < 0.05). CONCLUSIONS Supplementation of FA and DHA, alone or combined, for 12 months can improve cognitive function in MCI participants, possibly through mitigating DNA oxidative damage and enhancing mitochondrial function. Combined supplementation may provide more cognitive benefit than supplementation alone.
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Affiliation(s)
- Mengyue Li
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, China
| | - Tongtong Li
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin, China,
| | - Tong Yang
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Ling Huang
- Department of Public Affairs Management, School of Public Health, Kunming Medical University Haiyuan College, Kunming, China
| | - Jiangang Zhao
- Sanhuailu Street Community Health Service Center of Binhai New District, Tianjin, China
| | - Huan Liu
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China
| | - Yongjie Chen
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Wen Li
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China
| | - Yun Zhu
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Fei Ma
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Jing Yan
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China
- Department of Health Management, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Guowei Huang
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China
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Seelarbokus BA, Menozzi E, Schapira AHV, Kalea AZ, Macnaughtan J. Mediterranean Diet Adherence, Gut Microbiota and Parkinson's Disease: A Systematic Review. Nutrients 2024; 16:2181. [PMID: 39064625 DOI: 10.3390/nu16142181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 06/28/2024] [Accepted: 07/02/2024] [Indexed: 07/28/2024] Open
Abstract
BACKGROUND There is mounting evidence to suggest that high adherence to the Mediterranean diet (MedDiet) may reduce the risk of age-related diseases, including Parkinson's disease (PD). However, evidence for the role of the MedDiet in the relief of motor and non-motor symptoms in patients with PD remains limited and inconclusive. We provide a systematic review of the effects of the MedDiet on the clinical features of PD using data from randomised controlled trials (RCT) and prospective observational studies. METHODS We searched MEDLINE, EMCare, EMBASE, Scopus and PubMed from inception until June 2023. Reference lists and the grey literature were also searched. Human studies with no restriction on language or publication date, examining associations between MedDiet adherence and the symptoms of PD, were included. We employed standard methodological procedures for data extraction and evidence synthesis and used the Quality Criteria Checklist for assessing the studies included. RESULTS Four studies from three unique cohorts, including two observational studies (n = 1213) and one RCT (n = 70), met the inclusion criteria. Despite the short study duration reported in all included reports, high MedDiet adherence was associated with changes in the gut microbiota (e.g., increased abundance of short-chain fatty acids producers). These outcomes correlated with a significant improvement in several non-motor symptoms including cognitive dysfunction, dyspepsia and constipation. However, there were no significant changes in diarrhoea, gastrointestinal reflux, abdominal pain and motor symptoms. CONCLUSION High MedDiet adherence may be associated with significant improvement in global cognition and several gastrointestinal symptoms, possibly associated to changes in gut microbiota composition. Further studies are warranted to clarify potential cause-and-effect relationships and to elucidate MedDiet impact on motor symptoms.
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Affiliation(s)
| | - Elisa Menozzi
- Division of Medicine, University College London (UCL), London WC1E 6JF, UK
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London WC1N 3BG, UK
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD 20815, USA
| | - Anthony H V Schapira
- Division of Medicine, University College London (UCL), London WC1E 6JF, UK
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London WC1N 3BG, UK
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD 20815, USA
| | - Anastasia Z Kalea
- Division of Medicine, University College London (UCL), London WC1E 6JF, UK
| | - Jane Macnaughtan
- Institute for Liver and Digestive Health, University College London, Royal Free Campus, London WC1E 6JF, UK
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Alves BDS, Schimith LE, da Cunha AB, Dora CL, Hort MA. Omega-3 polyunsaturated fatty acids and Parkinson's disease: A systematic review of animal studies. J Neurochem 2024. [PMID: 38923542 DOI: 10.1111/jnc.16154] [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: 08/15/2023] [Revised: 06/05/2024] [Accepted: 06/06/2024] [Indexed: 06/28/2024]
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disorder. The primary pathological features of PD include the presence of α-synuclein aggregates and Lewy bodies, mitochondrial dysfunction, oxidative stress, and neuroinflammation. Recently, omega-3 fatty acids (ω-3 PUFAs) have been under investigation as a preventive and/or therapeutic strategy for PD, primarily owing to their antioxidant and anti-inflammatory properties. Therefore, the objective of this study was to conduct a systematic review of the literature, focusing on studies that assessed the effects of ω-3 PUFAs in rodent models mimicking human PD. The search was performed using the terms "Parkinson's disease," "fish oil," "omega 3," "docosahexaenoic acid," and "eicosapentaenoic acid" across databases PUBMED, Web of Science, Science Direct, Scielo, and Google Scholar. Following analysis based on predefined inclusion and exclusion criteria, 39 studies were included. Considering behavioral parameters, pathological markers of the disease, quantification of ω-3 PUFAs in the brain, as well as anti-inflammatory, antioxidant, and anti-apoptotic effects, it can be observed that ω-3 PUFAs exhibit a potential neuroprotective effect in PD. In summary, this systematic review presents significant scientific evidence regarding the effects and mechanisms underlying the neuroprotective properties of ω-3 PUFAs, offering valuable insights for the development of future clinical investigations.
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Affiliation(s)
- Barbara da Silva Alves
- Programa de Pós-graduação Em Ciências da Saúde, Faculdade de Medicina, Universidade Federal Do Rio Grande, Rio Grande, RS, Brazil
| | - Lucia Emanueli Schimith
- Programa de Pós-graduação Em Ciências da Saúde, Faculdade de Medicina, Universidade Federal Do Rio Grande, Rio Grande, RS, Brazil
| | - André Brito da Cunha
- Instituto de Ciências Biológicas, Universidade Federal Do Rio Grande, Rio Grande, RS, Brazil
| | - Cristiana Lima Dora
- Programa de Pós-graduação Em Ciências da Saúde, Faculdade de Medicina, Universidade Federal Do Rio Grande, Rio Grande, RS, Brazil
- Instituto de Ciências Biológicas, Universidade Federal Do Rio Grande, Rio Grande, RS, Brazil
| | - Mariana Appel Hort
- Programa de Pós-graduação Em Ciências da Saúde, Faculdade de Medicina, Universidade Federal Do Rio Grande, Rio Grande, RS, Brazil
- Instituto de Ciências Biológicas, Universidade Federal Do Rio Grande, Rio Grande, RS, Brazil
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Azzolino D, Bertoni C, De Cosmi V, Spolidoro GCI, Agostoni C, Lucchi T, Mazzocchi A. Omega-3 polyunsatured fatty acids and physical performance across the lifespan: a narrative review. Front Nutr 2024; 11:1414132. [PMID: 38966419 PMCID: PMC11223594 DOI: 10.3389/fnut.2024.1414132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Accepted: 06/12/2024] [Indexed: 07/06/2024] Open
Abstract
Background and Aims Physical performance is a major contributor of mobility and independence during older life. Despite a progressive decline in musculoskeletal function starts from middle age, several factors acting during the life-course can negatively influence musculoskeletal functional capacities. Lifestyle interventions incorporating nutrition and physical exercise can help maximizing the muscle functional capacities in early life as well as preserving them later in life. Among various dietary compounds, omega-3 polyunsaturated fatty acids (PUFAs) are gaining growing attention for their potential effects on muscle membrane composition and muscle function. Indeed, several pathways are enhanced, such as an attenuation of pro-inflammatory oxidative stress, mitochondrial function, activation of the mammalian target of rapamycin (mTOR) signaling and reduction of insulin resistance. Methods We performed a narrative review to explore the existing literature on the relationship between omega-3 PUFAs and physical performance across the life-course. Results Growing evidence from randomized controlled trials (RCTs) suggests beneficial effects of omega-3 PUFAs on muscle function, including physical performance parameters in mid to later life. On the other hand, despite a direct association in early life is not available in literature, some mechanisms by which omega-3 PUFAs may contribute to improved adult physical performance could be hypothesized. Conclusion Omega-3 PUFAs are gaining growing attention for their positive effect on muscle function parameters. The integration of physical function measures in future studies would be of great interest to explore whether omega-3 PUFAs could contribute to improved muscle function, starting from early life and extending throughout the lifespan. However, larger and high-quality RCTs are needed to fully elucidate the beneficial effects of omega-3 PUFAs supplementation on muscle mass and function.
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Affiliation(s)
- Domenico Azzolino
- Geriatric Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico di Milano, Milan, Italy
| | - Camilla Bertoni
- Department of Veterinary Sciences for Health, Animal Production and Food Safety, University of Milan, Milan, Italy
| | - Valentina De Cosmi
- Department of Food Safety, Nutrition and Veterinary Public Health, Istituto Superiore di Sanità—Italian National Institute of Health, Rome, Italy
- Department of Clinical and Community Sciences, University of Milan, Milan, Italy
| | | | - Carlo Agostoni
- Department of Clinical and Community Sciences, University of Milan, Milan, Italy
- Pediatric Intermediate Care Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Tiziano Lucchi
- Geriatric Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico di Milano, Milan, Italy
| | - Alessandra Mazzocchi
- Department of Clinical and Community Sciences, University of Milan, Milan, Italy
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Mirdha L. Aggregation Behavior of Amyloid Beta Peptide Depends Upon the Membrane Lipid Composition. J Membr Biol 2024:10.1007/s00232-024-00314-3. [PMID: 38888760 DOI: 10.1007/s00232-024-00314-3] [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: 03/07/2024] [Accepted: 05/15/2024] [Indexed: 06/20/2024]
Abstract
Protein aggregation plays a crucial role in the development of several neurodegenerative diseases. It is important to understand the aggregation process for the detection of the onset of these diseases. Alzheimer's Disease (AD) is one of the most prevalent neurodegenerative diseases caused by the aggregation of Aβ-40 and Aβ-42 peptides. The smaller oligomers lead to the formation of protein plaque at the neural membranes leading to memory loss and other disorders. Interestingly, aggregation takes place at the neural membranes, therefore the membrane composition seems to play an important role in the aggregation process. Despite a large number of literatures on the effect of lipid composition on protein aggregation, there are very few concise reviews that highlight the role of membrane composition in protein aggregation. In this review, we have discussed the implication of membrane composition on the aggregation of amyloid beta peptide with a special emphasis on cholesterol. We have further discussed the role of the degree of unsaturation of fatty acids and the participation of apolipoprotein E4 (ApoE4) in the onset of AD.
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Affiliation(s)
- Lipika Mirdha
- School of Chemistry, Sambalpur University, Jyoti Vihar, Burla, Odisha, 768 019, India.
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Nasri K, Ben Jamaa N, Siala Gaigi S, Feki M, Marrakchi R. Docosahexaenoic acid, eicosapentaenoic acid, arachidonic acid, and neural tube defects in Tunisian population. Birth Defects Res 2024; 116:e2372. [PMID: 38877667 DOI: 10.1002/bdr2.2372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 04/01/2024] [Accepted: 05/09/2024] [Indexed: 06/16/2024]
Abstract
OBJECTIVE To determine the effect of maternal status in (plasma and red blood cell) folate, vitamin B12, homocysteine, and vitamin D, as well as their interaction with MTHFR (C677T and A1298C) and MTRR A66G polymorphisms, on maternal plasma docosahexaenoic acid (DHA), eicosapentaenoic acid (EPA), and arachidonic acid (ARA) levels and the risk of neural tube defects (NTDs). METHODS ARA, EPA, and DHA composition was assessed using capillary gas chromatography. RESULTS ARA and DHA levels were higher in controls than in case mothers for low plasma folate status. For low red blood cell folate status, DHA levels were higher in controls than in case mothers. For high homocysteine levels, ARA and DHA levels were higher in controls than in case mothers. NTD mothers had lower EPA and DHA levels for low vitamin B12 levels. NTD mothers had lower DHA levels for low vitamin D levels. For low plasma folate status, DHA levels in the MTHFR C677T gene and ARA and EPA levels in MTHFR A1298C gene were different among the three genotypes in case mothers. DHA levels in the MTHFR C677T gene were different among the three genotypes in case mothers for both low and high homocysteine levels. For low vitamin B12 levels, ARA and DHA levels were different among the three genotypes of the MTHFR C677T gene in case mothers. In the MTHFR C677T gene, ARA and DHA levels were different among the three genotypes in case mothers for low vitamin D levels. CONCLUSIONS More advanced research is required to verify a suitable biochemical parameter status in relation to the genotypes in pregnant women.
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Affiliation(s)
- Kaouther Nasri
- Faculty of Sciences of Bizerte, University of Carthage, Bizerte, Tunisia
- Service of Embryo-Fetopathology, Center for Maternity and Neonatology of Tunis, Tunis El Manar University, Tunis, Tunisia
| | - Nadia Ben Jamaa
- Department of Histology-Embryology, Faculty of Medicine of Tunis, Tunis El Manar University, Tunis, Tunisia
| | - Soumeya Siala Gaigi
- Service of Embryo-Fetopathology, Center for Maternity and Neonatology of Tunis, Tunis El Manar University, Tunis, Tunisia
| | - Moncef Feki
- Department of Biochemistry, Rabta Hospital, Tunis El Manar University, Tunis, Tunisia
| | - Raja Marrakchi
- Laboratory of Human Genetics, Immunology and Pathology, Faculty of Sciences of Tunis, Tunis El Manar University, Tunis, Tunisia
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Furness D, Huynh NKT, Kaufmann L, Liu J, Nguyen TBN, Schaefer E, Tan L, Yau CD, Yu Q. Real-world insights on nutritional awareness and behaviors among preconception and pregnant women in three Asia Pacific countries. Front Glob Womens Health 2024; 5:1332555. [PMID: 38813069 PMCID: PMC11135049 DOI: 10.3389/fgwh.2024.1332555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 04/22/2024] [Indexed: 05/31/2024] Open
Abstract
Introduction In many parts of Asia Pacific (APAC), insufficient intake of micronutrients that are important for conception and pregnancy remains a prevalent issue among women of reproductive age. It is crucial to gain insights into women's nutritional awareness and nutrition-related behaviors, as well as how these relate to their health literacy (HL). This understanding can help identify gaps and guide the development of appropriate intervention strategies. However, there appears to be limited relevant data available for the APAC region. We therefore examined nutritional awareness and behaviors among preconception and pregnant women in three APAC countries, and explored how these were related to women's HL. Methods Cross-sectional online surveys were conducted among preconception (i.e., planning to conceive within the next 12 months or currently trying to conceive) and pregnant women in Australia (N = 624), China (N = 600), and Vietnam (N = 300). The survey questionnaire included a validated tool for HL (Newest Vital Sign) and questions to examine awareness and behaviors relating to healthy eating and prenatal supplementation during preconception and pregnancy. Results Despite recommendations for a quality diet complemented by appropriate supplementation during preconception and pregnancy, many respondents in each country were not aware of the specific impact of adequate nutrition during these stages. While many respondents reported changes in their diet to eat more healthily during preconception and pregnancy, a substantial proportion were not taking prenatal supplements. Higher HL was related to greater nutritional awareness and higher use of prenatal supplements. Discussion Our findings suggest that there are gaps in nutritional awareness and practices of many preconception or pregnant women in the three countries. Interventions to improve HL would be valuable to complement conventional knowledge-centric nutrition education, and enhance understanding and empower women to adopt appropriate nutritional practices throughout their preconception/pregnancy journey.
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Affiliation(s)
- Denise Furness
- Nutritionist and Molecular Geneticist, Your Genes and Nutrition, Doonan, QLD, Australia
| | - Nguyen Khanh Trang Huynh
- Department of Obstetrics and Gynaecology, Pham Ngoc Thach University of Medicine, Ho Chi Minh, Vietnam
| | - Ligaya Kaufmann
- Department of Regulatory, Medical, Safety, Quality & Compliance (RMSQC), Bayer Consumer Care AG, Basel, Switzerland
| | - Jue Liu
- Department of Regulatory, Medical, Safety, Quality & Compliance (RMSQC), Bayer Healthcare Company Limited, Shanghai, China
| | - Thi Bich Ngoc Nguyen
- Department of Regulatory, Medical, Safety, Quality & Compliance (RMSQC), Bayer Vietnam Limited, Bien Hoa, Dong Nai, Vietnam
| | - Ella Schaefer
- Department of Regulatory, Medical, Safety, Quality & Compliance (RMSQC), Bayer Consumer Care AG, Basel, Switzerland
| | - Lucy Tan
- Department of Regulatory, Medical, Safety, Quality & Compliance (RMSQC), Bayer Australia Limited, Pymble, NSW, Australia
| | - Ching Danica Yau
- Department of Regulatory, Medical, Safety, Quality & Compliance (RMSQC), Bayer Healthcare Limited, Consumer Health, Hong Kong, Hong Kong SAR, China
| | - Qi Yu
- Gynecological Endocrinology and Reproductive Medicine Center, Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Beijing, China
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Ibi A, Chang C, Kuo YC, Zhang Y, Du M, Roh YS, Gahler R, Hardy M, Solnier J. Evaluation of the Metabolite Profile of Fish Oil Omega-3 Fatty Acids (n-3 FAs) in Micellar and Enteric-Coated Forms-A Randomized, Cross-Over Human Study. Metabolites 2024; 14:265. [PMID: 38786742 PMCID: PMC11123365 DOI: 10.3390/metabo14050265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 05/02/2024] [Accepted: 05/03/2024] [Indexed: 05/25/2024] Open
Abstract
This study evaluated the differences in the metabolite profile of three n-3 FA fish oil formulations in 12 healthy participants: (1) standard softgels (STD) providing 600 mg n-3 FA; (2) enteric-coated softgels (ENT) providing 600 mg n-3 FA; (3) a new micellar formulation (LMF) providing 374 mg n-3 FA. The pharmacokinetics (PKs), such as the area under the plot of plasma concentration (AUC), and the peak blood concentration (Cmax) of the different FA metabolites including HDHAs, HETEs, HEPEs, RvD1, RvD5, RvE1, and RvE2, were determined over a total period of 24 h. Blood concentrations of EPA (26,920.0 ± 10,021.0 ng/mL·h) were significantly higher with respect to AUC0-24 following LMF treatment vs STD and ENT; when measured incrementally, blood concentrations of total n-3 FAs (EPA/DHA/DPA3) up to 11 times higher were observed for LMF vs STD (iAUC 0-24: 16,150.0 ± 5454.0 vs 1498.9 ± 443.0; p ≤ 0.0001). Significant differences in n-3 metabolites including oxylipins were found between STD and LMF with respect to 12-HEPE, 9-HEPE, 12-HETE, and RvD1; 9-HEPE levels were significantly higher following the STD vs. ENT treatment. Furthermore, within the scope of this study, changes in blood lipid levels (i.e., cholesterol, triglycerides, LDL, and HDL) were monitored in participants for up to 120 h post-treatment; a significant decrease in serum triglycerides was detected in participants (~20%) following the LMF treatment; no significant deviations from the baseline were detected for all the other lipid biomarkers in any of the treatment groups. Despite a lower administered dose, LMF provided higher blood concentrations of n-3 FAs and certain anti-inflammatory n-3 metabolites in human participants-potentially leading to better health outcomes.
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Affiliation(s)
- Afoke Ibi
- ISURA, Clinical Research, Burnaby, BC V3N 4S9, Canada; (A.I.)
| | - Chuck Chang
- ISURA, Clinical Research, Burnaby, BC V3N 4S9, Canada; (A.I.)
| | - Yun Chai Kuo
- ISURA, Clinical Research, Burnaby, BC V3N 4S9, Canada; (A.I.)
| | - Yiming Zhang
- ISURA, Clinical Research, Burnaby, BC V3N 4S9, Canada; (A.I.)
| | - Min Du
- ISURA, Clinical Research, Burnaby, BC V3N 4S9, Canada; (A.I.)
| | - Yoon Seok Roh
- ISURA, Clinical Research, Burnaby, BC V3N 4S9, Canada; (A.I.)
| | | | - Mary Hardy
- Academy of Integrative and Holistic Medicine, San Diego, CA 92037, USA
| | - Julia Solnier
- ISURA, Clinical Research, Burnaby, BC V3N 4S9, Canada; (A.I.)
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Chi YQ, Yao Y, Zhang WH, Zhang ZH, Wang YH, Hao W. Docosahexaenoic Acid Supplementation for Neonatal Hyperbilirubinemia: A Double-Blind, Randomized Clinical Trial. Clin Pediatr (Phila) 2024:99228241250139. [PMID: 38680033 DOI: 10.1177/00099228241250139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
Docosahexaenoic acid (DHA) is an essential component for brain development during fetal and early postnatal life. Hyperbilirubinemia is characterized by abnormally high levels of bilirubin in the bloodstream, frequently leading to jaundice in newborns. In severe instances, this condition can progress to neurological damage or kernicterus, a form of brain damage. Initial cell-based experiments conducted by our research team revealed that DHA significantly enhances the survival rate of nerve cells treated with bilirubin and diminishes the oxidative stress indicated by reduced peroxide activity caused by unconjugated bilirubin (UCB). Further investigations through animal studies demonstrated that DHA effectively mitigates bilirubin-induced brain injury in neonatal rats. However, the potential of DHA to decrease the incidence of bilirubin-induced brain damage in clinical settings has not been previously explored or reported. Infants with neonatal hyperbilirubinemia (n = 30 per group) participated in a double-blind, randomized, placebo-controlled parallel study. They received either 100 mg/d DHA or placebo syrup immediately when they were diagnosed. The study found that the bilirubin level at 48 hours of treatment, serum neuron-specific enolase (NSE) levels, mean phototherapy duration, and abnormal rate of cranial magnetic resonance imaging (MRI) were lower in the DHA group than those in the control group (P < .05). These results suggested that DHA is effective as an adjuvant treatment for hyperbilirubinemia in children. It can reduce the incidence of neonatal hyperbilirubinemia brain injury and plays a certain protective role. Clinical study on protective effect of DHA on neonatal bilirubin injury is registered at Chinese Clinical Trial Registry as ChiCTR2300070250.
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Affiliation(s)
- Yun-Qian Chi
- Pediatric Department, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yi Yao
- Basic Medical College of GuangXi Medical University, Nanning, China
| | - Wen-Hong Zhang
- Pediatric Department, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Zi-Han Zhang
- Pediatric Department, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yun-He Wang
- Pediatric Department, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Wei Hao
- Pediatric Department, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
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Hu R, Xu J, Hua Y, Li Y, Li J. Could early life DHA supplementation benefit neurodevelopment? A systematic review and meta-analysis. Front Neurol 2024; 15:1295788. [PMID: 38645744 PMCID: PMC11032049 DOI: 10.3389/fneur.2024.1295788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 03/22/2024] [Indexed: 04/23/2024] Open
Abstract
Background Docosahexaenoic acid (DHA) plays a crucial role in the growth and functional development of the infant brain. However, the impact of additional DHA supplementation on neurodevelopment in infants remains controversial in randomized controlled trials. In this systematic review and meta-analysis, we aimed to investigate the effects of prenatal and postnatal DHA supplementation on neurodevelopment. Methods We systematically searched the MEDLINE, EMBASE, and Cochrane Library electronic databases using a predefined strategy until 8 February 2024. We extracted relevant study characteristics and outcomes related to the nervous system. Two independent reviewers critically evaluated the included studies to assess their validity and risk of bias. Results A total of 21 studies met our inclusion criteria, one study was removed after quality assessment, and the meta-analysis included 9 randomized controlled trials. The meta-analysis results indicated that there was no statistically significant difference between the DHA supplementation group and the placebo group, as assessed by the Mental Development Index [MDI; mean difference (MD), 0.41; 95% confidence interval (CI), -0.91 to 1.73; p = 0.55]. However, the DHA group had a significantly higher Psychomotor Development Index (PDI) than the placebo group (MD, 1.47; 95% CI, 0.23 to 2.72; p = 0.02). Subgroup analyses based on populations showed that DHA supplementation was superior to placebo for infants in both MDI (language score conversion; MD, 2.05; 95% CI, -0.16 to 4.26; p = 0.07) and PDI (MD, 1.94; 95% CI, 0.23 to 3.65; p = 0.03). Other subgroup analyses indicated no statistical differences between the two groups. The remaining assessments that could not be summarized quantitatively underwent a narrative evaluation. Conclusion Based on the BSID assessments, DHA supplementation in infants may have potential neurodevelopmental benefits. Because the meta-analysis included few high-quality articles and had some limitations, more relevant articles are needed to address the need for separate DHA supplementation in infants, pregnant women, and lactating mothers. Systematic review registration https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42022348100, identifier: CRD42022348100.
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Affiliation(s)
| | | | | | - Yifei Li
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jinrong Li
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
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11
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Byrne MK, Cook R, Murta JCD, Bressington D, Meyer BJ. Dietary Intakes of Long-Chain Polyunsaturated Fatty Acids and Impulsivity: Comparing Non-Restricted, Vegetarian, and Vegan Diets. Nutrients 2024; 16:875. [PMID: 38542786 PMCID: PMC10975088 DOI: 10.3390/nu16060875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/08/2024] [Accepted: 03/15/2024] [Indexed: 04/09/2024] Open
Abstract
BACKGROUND Research suggests a link between deficiencies in omega-3 long-chain polyunsaturated fatty acids (LCPUFAs) and impulsivity among psychiatric populations. However, this association is less evident in non-clinical populations. As omega-3 LCPUFAs are predominantly sourced through fish consumption, non-fish dieters may be more vulnerable to higher impulsivity. METHODS This cross-sectional observational study explored the association between lower intakes of omega-3 LCPUFA food sources and higher self-reported measures of impulsivity among healthy adults consuming non-restricted, vegetarian, and vegan diets. RESULTS The results from the validated Food Frequency Questionnaire showed significantly lower estimated omega-3 LCPUFA intakes among vegans and vegetarians when compared with people consuming non-restricted diets. Furthermore, although all groups scored within the normal range of impulsivity measures, vegans scored comparatively higher. Vegans also scored significantly higher in impulsivity control relating to attention than those consuming non-restricted diets. CONCLUSIONS The significantly lower omega-3 LCPUFA dietary intakes in the vegan diets were associated with higher scores in the second-order attentional aspect of self-reported impulsiveness.
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Affiliation(s)
- Mitchell K. Byrne
- Faculty of Health, Charles Darwin University, Ellengowan Drive, Darwin, NT 0810, Australia; (M.K.B.); (R.C.); (J.C.D.M.); (D.B.)
| | - Rebecca Cook
- Faculty of Health, Charles Darwin University, Ellengowan Drive, Darwin, NT 0810, Australia; (M.K.B.); (R.C.); (J.C.D.M.); (D.B.)
| | - Janina C. D. Murta
- Faculty of Health, Charles Darwin University, Ellengowan Drive, Darwin, NT 0810, Australia; (M.K.B.); (R.C.); (J.C.D.M.); (D.B.)
| | - Daniel Bressington
- Faculty of Health, Charles Darwin University, Ellengowan Drive, Darwin, NT 0810, Australia; (M.K.B.); (R.C.); (J.C.D.M.); (D.B.)
- Faculty of Nursing, Chiang Mai University, 110/406 Inthawaroros Road, Sri Phum District, Chiang Mai 50200, Thailand
| | - Barbara J. Meyer
- School of Medical, Indigenous and Health Sciences, Lipid Research Centre, Molecular Horizons, University of Wollongong, Wollongong, NSW 2522, Australia
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia
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12
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Lu Y, Qiao D, Mi G. Clinical impacts of n-3 fatty acids supplementation on depression symptoms: an umbrella review of meta-analyses. Br J Nutr 2024; 131:841-850. [PMID: 37886879 DOI: 10.1017/s000711452300226x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Several meta-analyses investigating the efficacy of n-3 PUFA in alleviating depression symptoms have reported conflicting findings. In the present study, we aimed to perform an umbrella meta-analysis to provide a definite conclusion. A comprehensive systematic search of PubMed, Scopus, Embase, Web of Science and Cochrane Central Library was performed up to June 2021. Meta-analysis studies evaluating the effects of n-3 PUFA on depression symptoms were included. The quality of the included meta-analyses was assessed using AMSTAR questionnaire. Out of 101 studies, twenty-two studies with twenty-six effect sizes (ES) were eligible for inclusion. Sixteen ES showed significant improving effect of n-3 supplementation on depression symptoms among which eleven ES had small ES. The other studies observed no significant effect. Available evidence suggests that n-3 PUFA (EPA, DHA) supplementation could be considered as an effective add-on therapeutic approach in relieving depression symptoms.
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Affiliation(s)
- Yi Lu
- Department of Physical Therapy, Shandong Mental Health Center, Shandong University, Jina, Shandong250014, People's Republic of China
| | - Dongdong Qiao
- Department of Psychology, Shandong Mental Health Center, Shandong University, Jina, Shandong250014, People's Republic of China
| | - Guolin Mi
- Department of Psychosomatic Medicine, Shandong Mental Health Center, Shandong University, Jina, Shandong250014, People's Republic of China
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13
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Hatem O, Kaçar ÖF, Kaçar HK, Szentpéteri JL, Marosvölgyi T, Szabó É. Trans isomeric fatty acids in human milk and their role in infant health and development. Front Nutr 2024; 11:1379772. [PMID: 38515522 PMCID: PMC10954868 DOI: 10.3389/fnut.2024.1379772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 02/27/2024] [Indexed: 03/23/2024] Open
Abstract
It is well known that long chain polyunsaturated fatty acids (LCPUFAs) play an important role in neurodevelopment in the perinatal life. The most important source of these fatty acids is the diet, however, they can also be formed in the human body from their shorter chain precursors, the essential fatty acids. Since the WHO recommends exclusive breastfeeding for the first six months after birth, the exclusive source of these fatty acids for breastfed infants is human milk, which can be influenced by the mother's diet. Unsaturated fatty acids can have either cis or trans configuration double bond in their chain with distinct physiological effects. Cis isomeric unsaturated fatty acids have several beneficial effects, while trans isomers are mostly detrimental, because of their similar structure to saturated fatty acids. Trans fatty acids (TFAs) can be further subdivided into industrial (iTFA) and ruminant-derived trans fatty acids (rTFA). However, the physiological effects of these two TFA subgroups may differ. In adults, dietary intake of iTFA has been linked to atherosclerosis, insulin resistance, obesity, chronic inflammation, and increased development of certain cancers, among other diseases. However, iTFAs can have a negative impact on health not only in adulthood but in childhood too. Results from previous studies have shown that iTFAs have a significant negative effect on LCPUFA levels in the blood of newborns and infants. In addition, iTFAs can affect the growth and development of infants, and animal studies suggest that they might even have lasting negative effects later in life. Since the only source of TFAs in the human body is the diet, the TFA content of breast milk may determine the TFA supply of breastfed infants and thus affect the levels of LCPUFAs important for neurodevelopment and the health of infants. In this review, we aim to provide an overview of the TFA content in human milk available in the literature and their potential effects on infant health and development.
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Affiliation(s)
- Okba Hatem
- Doctoral School of Health Sciences, Faculty of Health Sciences, University of Pécs, Pécs, Hungary
- Department of Biochemistry and Medical Chemistry, Medical School, University of Pécs, Pécs, Hungary
| | - Ömer Furkan Kaçar
- Doctoral School of Health Sciences, Faculty of Health Sciences, University of Pécs, Pécs, Hungary
- Department of Biochemistry and Medical Chemistry, Medical School, University of Pécs, Pécs, Hungary
| | - Hüsna Kaya Kaçar
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Amasya University, Amasya, Türkiye
| | - József L. Szentpéteri
- Institute of Transdisciplinary Discoveries, Medical School, University of Pécs, Pécs, Hungary
| | - Tamás Marosvölgyi
- Institute of Bioanalysis, Medical School, University of Pécs, Pécs, Hungary
| | - Éva Szabó
- Department of Biochemistry and Medical Chemistry, Medical School, University of Pécs, Pécs, Hungary
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14
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Kulkarni A, Linderborg KM, Zhao A, Kallio H, Haraldsson GG, Zhang Y, Yang B. Influence of Dietary Triacylglycerol Structure on the Accumulation of Docosahexaenoic Acid [22:6(n-3)] in Organs in a Short-Term Feeding Trial with Mildly Omega-3 Deficient Rats. Mol Nutr Food Res 2024; 68:e2300635. [PMID: 38342587 DOI: 10.1002/mnfr.202300635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 01/16/2024] [Indexed: 02/13/2024]
Abstract
SCOPE To study the effect of positional distribution of docosahexaenoic acid (DHA) in dietary triacylglycerols (TAG) on the tissue fatty acid content and composition of mildly (n-3) deficient rats. METHODS AND RESULTS In a 5-day feeding trial, mildly (n-3) deficient rats received 360 mg daily structured TAGs: sn-22:6(n-3)-18:0-18:0, sn-18:0-18:0-22:6(n-3), sn-18:0-22:6(n-3)-18:0, or tristearin. A fifth group receives standard (n-3) adequate feed AIN-93G from birth till the end of the trial. The DHA-fed groups show significantly higher DHA levels in the liver and visceral fat compared to the tristearin or normal feed groups showing that the dose and the short feeding period of DHA were sufficient to restore the DHA content in the organs of (n-3) deficient rats. Feeding sn-1 DHA resulted in higher levels of DHA in the liver TAG compared to sn-3 DHA feeding, although the difference did not reach statistical significance. CONCLUSION These findings indicated a possible difference in the tissue accumulation and/or metabolic fate of DHA from the sn-1 and sn-3 positions of TAG.
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Affiliation(s)
- Amruta Kulkarni
- Food Sciences, Department of Life Technologies, University of Turku, Turku, 20520, Finland
| | - Kaisa M Linderborg
- Food Sciences, Department of Life Technologies, University of Turku, Turku, 20520, Finland
| | - Ai Zhao
- Vanke School of Public Health, Tsinghua University, Beijing, 100083, China
| | - Heikki Kallio
- Food Sciences, Department of Life Technologies, University of Turku, Turku, 20520, Finland
| | | | - Yumei Zhang
- Department of Nutrition & Food Hygiene, School of Public Health, Peking University Health Science Center, Beijing, 100191, China
| | - Baoru Yang
- Food Sciences, Department of Life Technologies, University of Turku, Turku, 20520, Finland
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15
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Yadav B, Kaur S, Yadav A, Verma H, Kar S, Sahu BK, Pati KR, Sarkar B, Dhiman M, Mantha AK. Implications of organophosphate pesticides on brain cells and their contribution toward progression of Alzheimer's disease. J Biochem Mol Toxicol 2024; 38:e23660. [PMID: 38356323 DOI: 10.1002/jbt.23660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 01/04/2024] [Accepted: 01/18/2024] [Indexed: 02/16/2024]
Abstract
The most widespread neurodegenerative disorder, Alzheimer's disease (AD) is marked by severe behavioral abnormalities, cognitive and functional impairments. It is inextricably linked with the deposition of amyloid β (Aβ) plaques and tau protein in the brain. Loss of white matter, neurons, synapses, and reactive microgliosis are also frequently observed in patients of AD. Although the causative mechanisms behind the neuropathological alterations in AD are not fully understood, they are likely influenced by hereditary and environmental factors. The etiology and pathogenesis of AD are significantly influenced by the cells of the central nervous system, namely, glial cells and neurons, which are directly engaged in the transmission of electrical signals and the processing of information. Emerging evidence suggests that exposure to organophosphate pesticides (OPPs) can trigger inflammatory responses in glial cells, leading to various cascades of events that contribute to neuroinflammation, neuronal damage, and ultimately, AD pathogenesis. Furthermore, there are striking similarities between the biomarkers associated with AD and OPPs, including neuroinflammation, oxidative stress, dysregulation of microRNA, and accumulation of toxic protein aggregates, such as amyloid β. These shared markers suggest a potential mechanistic link between OPP exposure and AD pathology. In this review, we attempt to address the role of OPPs on altered cell physiology of the brain cells leading to neuroinflammation, mitochondrial dysfunction, and oxidative stress linked with AD pathogenesis.
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Affiliation(s)
- Bharti Yadav
- Department of Zoology, Central University of Punjab, Bathinda, Punjab, India
| | - Sharanjot Kaur
- Department of Microbiology, Central University of Punjab, Bathinda, Punjab, India
| | - Anuradha Yadav
- Department of Zoology, Central University of Punjab, Bathinda, Punjab, India
| | - Harkomal Verma
- Department of Zoology, Central University of Punjab, Bathinda, Punjab, India
| | - Swastitapa Kar
- Department of Zoology, Central University of Punjab, Bathinda, Punjab, India
| | - Binit Kumar Sahu
- Department of Zoology, Central University of Punjab, Bathinda, Punjab, India
| | - Kumari Riya Pati
- Department of Zoology, Central University of Punjab, Bathinda, Punjab, India
| | - Bibekanada Sarkar
- Department of Zoology, Central University of Punjab, Bathinda, Punjab, India
| | - Monisha Dhiman
- Department of Microbiology, Central University of Punjab, Bathinda, Punjab, India
| | - Anil Kumar Mantha
- Department of Zoology, Central University of Punjab, Bathinda, Punjab, India
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16
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Hawley AL, Baum JI. Nutrition as the foundation for successful aging: a focus on dietary protein and omega-3 polyunsaturated fatty acids. Nutr Rev 2024; 82:389-406. [PMID: 37319363 DOI: 10.1093/nutrit/nuad061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023] Open
Abstract
Skeletal muscle plays a critical role throughout the aging process. People living with sarcopenia, a progressive and generalized loss of skeletal muscle mass and function, often experience diminished quality of life, which can be attributed to a long period of decline and disability. Therefore, it is important to identify modifiable factors that preserve skeletal muscle and promote successful aging (SA). In this review, SA was defined as (1) low cardiometabolic risk, (2) preservation of physical function, and (3) positive state of wellbeing, with nutrition as an integral component. Several studies identify nutrition, specifically high-quality protein (eg, containing all essential amino acids), and long-chain omega-3 polyunsaturated fatty acids (n-3 PUFAs), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA), as positive regulators of SA. Recently, an additive anabolic effect of protein and n-3 PUFAs has been identified in skeletal muscle of older adults. Evidence further suggests that the additive effect of protein and n-3 PUFAs may project beyond skeletal muscle anabolism and promote SA. The key mechanism(s) behind the enhanced effects of intake of protein and n-3 PUFAs needs to be defined. The first objective of this review is to evaluate skeletal muscle as a driver of cardiometabolic health, physical function, and wellbeing to promote SA. The second objective is to examine observational and interventional evidence of protein and n-3 PUFAs on skeletal muscle to promote SA. The final objective is to propose mechanisms by which combined optimal intake of high-quality protein and n-3 PUFAs likely play a key role in SA. Current evidence suggests that increased intake of protein above the Recommended Dietary Allowance and n-3 PUFAs above the Dietary Guidelines for Americans recommendations for late middle-aged and older adults is required to maintain skeletal muscle mass and to promote SA, potentially through the mechanistical target of rapamycin complex 1 (mTORC1).
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Affiliation(s)
- Aubree L Hawley
- School of Human and Environmental Sciences, University of Arkansas, Fayetteville, AR, USA
| | - Jamie I Baum
- Center for Human Nutrition, Department of Food Science, University of Arkansas System Division of Agriculture, Fayetteville, AR, USA
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17
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Yamamoto Y. [Elucidation of the pathology of mental disorders focusing on polyunsaturated fatty acids and FABPs]. Nihon Yakurigaku Zasshi 2024; 159:118-122. [PMID: 38432920 DOI: 10.1254/fpj.23093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
Polyunsaturated fatty acids (PUFAs) are essential for brain development and function, and an imbalance of brain PUFAs is linked to mental disorders like autism and schizophrenia. However, the cellular and molecular mechanisms underlying the effects of PUFAs on the brain remain largely unknown. Since they are insoluble in water, specific transporters like fatty acid binding proteins (FABPs), are required for transport and function of PUFAs within cells. We focused on the relationship between FABP-mediated homeostasis of brain PUFAs and neural plasticity. We found that FABP3, with a high affinity for n-6 PUFAs, is predominantly expressed in the GABAergic inhibitory interneurons of the anterior cingulate cortex (ACC) in the adult mouse brain. FABP3 knockout (KO) mice show increased GABA synthesis and inhibitory synaptic transmission in the ACC. We also found that FABP7 controls lipid raft function in astrocytes, and astrocytes lacking FABP7 exhibit changes in response to external stimuli. Furthermore, in FABP7 KO mice, dendritic protrusion formation in pyramidal neurons becomes abnormal, and we have reported a decrease in spine density and excitatory synaptic transmission. Here, we introduced recent advances in the understanding of the functions of PUFAs and FABPs in the brain, focusing especially on FABP3 and FABP7, in relation to human mental disorders.
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Affiliation(s)
- Yui Yamamoto
- Division of Anatomy and Cell Biology, Faculty of Medicine, Tohoku Medical and Pharmaceutical University
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18
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Zhang X, Yuan T, Chen X, Liu X, Hu J, Liu Z. Effects of DHA on cognitive dysfunction in aging and Alzheimer's disease: The mediating roles of ApoE. Prog Lipid Res 2024; 93:101256. [PMID: 37890592 DOI: 10.1016/j.plipres.2023.101256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 10/22/2023] [Accepted: 10/23/2023] [Indexed: 10/29/2023]
Abstract
The prevalence of Alzheimer's disease (AD) continues to rise due to the increasing aging population. Among the various genetic factors associated with AD, apolipoprotein E (ApoE), a lipid transporter, stands out as the primary genetic risk factor. Specifically, individuals carrying the ApoE4 allele exhibit a significantly higher risk. However, emerging research indicates that dietary factors play a prominent role in modifying the risk of AD. Docosahexaenoic acid (DHA), a prominent ω-3 fatty acid, has garnered considerable attention for its potential to ameliorate cognitive function. The intricate interplay between DHA and the ApoE genotype within the brain, which may influence DHA's utilization and functionality, warrants further investigation. This review meticulously examines experimental and clinical studies exploring the effects of DHA on cognitive decline. Special emphasis is placed on elucidating the role of ApoE gene polymorphism and the underlying mechanisms are discussed. These studies suggest that early DHA supplementation may confer benefits to cognitively normal older adults carrying the ApoE4 gene. However, once AD develops, ApoE4 non-carriers may experience greater benefits compared to ApoE4 carriers, although the overall effectiveness of DHA supplementation at this stage is limited. Potential mechanisms underlying these differential effects may include accelerated DHA catabolism in ApoE4 carriers, impaired transport across the blood-brain barrier (BBB), and compromised lipidation and circulatory function in ApoE4 carriers. Thus, the supplementation of DHA may represent a potential intervention strategy aimed at compensating for these deficiencies in ApoE4 carriers prior to the onset of AD.
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Affiliation(s)
- Xin Zhang
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Tian Yuan
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, China; Northwest A&F University Shenzhen Research Institute, Shenzhen, Guangdong 518000, China
| | - Xuhui Chen
- Department of Neurology, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, China
| | - Xuebo Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jun Hu
- Department of Neurology, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, China.
| | - Zhigang Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China; Northwest A&F University Shenzhen Research Institute, Shenzhen, Guangdong 518000, China; Dongguan Chuangwei Precision Nutrition and Health Innovation Center, Dongguan, Guangdong 523170, China; Shaanxi Precision Nutrition and Health Research Institute, Xi'an, Shaanxi 710300, China.
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19
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Dong P, Lv H, Jia W, Liu J, Wang S, Li X, Hu J, Zhao L, Shi Y. Polysaccharide dextran-based conjugate for selective co-delivery of two synergistic drugs docetaxel and docosahexaenoic acid to tumor cells. Drug Deliv 2023; 30:40-50. [DOI: 10.1080/10717544.2022.2152133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Affiliation(s)
- Peng Dong
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University, Qingdao, China
| | - Hongshuai Lv
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University, Qingdao, China
| | - Weiping Jia
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University, Qingdao, China
| | - Jiaojiao Liu
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University, Qingdao, China
| | - Si Wang
- Santolecan Pharmaceuticals LLC, Jupiter, FL, USA
| | - Xiaohai Li
- Santolecan Pharmaceuticals LLC, Jupiter, FL, USA
| | - Jinghua Hu
- Santolecan Pharmaceuticals LLC, Jupiter, FL, USA
| | - Ling Zhao
- Santolecan Pharmaceuticals LLC, Jupiter, FL, USA
| | - Yikang Shi
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University, Qingdao, China
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20
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Nienaber A, Conradie C, Manda G, Chimera-Khombe B, Nel E, Milanzi EB, Dolman-Macleod RC, Lombard MJ. Effect of fatty acid profiles in varying recipes of ready-to-use therapeutic foods on neurodevelopmental and clinical outcomes of children (6-59 months) with severe wasting: a systematic review. Nutr Rev 2023:nuad151. [PMID: 38134960 DOI: 10.1093/nutrit/nuad151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2023] Open
Abstract
CONTEXT In 2020, 13.6 million children under 5 years suffered from severe acute malnutrition (SAM)/wasting. Standard ready-to-use therapeutic foods (RUTFs) improve polyunsaturated fatty acid (PUFA) status but contain suboptimal amounts of omega-3 (n-3) PUFAs with unbalanced n-6-to-n-3 PUFA ratios. OBJECTIVES The aim was to compare the effects of RUTFs with different essential fatty acid contents on PUFA status, neurodevelopmental, and clinical outcomes (mortality, comorbidities, and recovery) of children with severe wasting. DATA SOURCES Twelve databases, trial repositories, and article references with no publication limitations. DATA EXTRACTION Ten studies from randomized, quasi, and cluster-randomized controlled trials providing RUTFs as home treatment to children 6-59 months with SAM/wasting were included. DATA ANALYSIS Plasma phospholipid eicosapentaenoic acid content was higher in children receiving RUTF with altered essential fatty acid contents compared with standard RUTF (0.20 [0.15-0.25], P < 0.00001). Docosahexaenoic acid (DHA) status only improved in children receiving RUTF with added fish oil (0.33 [0.15-0.50], P = 0.0003). The Malawi Developmental Assessment tool (MDAT) global development and problem-solving assessment scores were higher in global assessment and gross motor domains in children receiving added fish oil compared with standard formulation (0.19 [0.0-0.38] and 0.29 [0.03-0.55], respectively). Children receiving high-oleic-acid RUTF (lowering the n-6:n-3 PUFA ratio of the RUTF) with or without fish oil had significantly higher scores in social domains compared with those receiving the standard formulation (0.16 [0.00-0.31] and 0.24 [0.09-0.40]). Significantly higher mortality risk was found in children receiving a standard formulation compared with RUTF with a lower n-6:n-3 PUFA ratio (0.79 [0.67-0.94], P = 0.008). CONCLUSION Although lowering n-6:n-3 PUFA ratios did not increase plasma DHA, it improved specific neurodevelopmental scores and mortality due to lower linoleic acid (high-oleic-acid peanuts), higher alpha-linolenic acid (altered oil), or both. Additional preformed n-3 long-chain PUFAs (fish oil) with RUTF improved the children's DHA status, neurodevelopmental outcomes, and weight-for-height z score. More research is needed regarding cost, availability, stability, acceptability, and the appropriate amount of n-3 long-chain PUFAs required in RUTFs for the best clinical outcomes. SYSTEMATIC REVIEW REGISTRATION PROSPERO registration no. CRD42022303694.
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Affiliation(s)
- Arista Nienaber
- Centre of Excellence for Nutrition (CEN), North-West University, Potchefstroom Campus, Potchefstroom, South Africa
| | - Cornelia Conradie
- Centre of Excellence for Nutrition (CEN), North-West University, Potchefstroom Campus, Potchefstroom, South Africa
| | - Geoffrey Manda
- Global Health Institute, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | | | - Ettienne Nel
- Department of Paediatrics and Child Health, University Stellenbosch, Bellville, Cape Town, South Africa
| | - Edith B Milanzi
- Medical Research Council Clinical Trials, University College London, London, United Kingdom
| | - Robin C Dolman-Macleod
- Centre of Excellence for Nutrition (CEN), North-West University, Potchefstroom Campus, Potchefstroom, South Africa
| | - Martani J Lombard
- Centre of Excellence for Nutrition (CEN), North-West University, Potchefstroom Campus, Potchefstroom, South Africa
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21
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Lyu CC, Meng Y, Che HY, Suo JL, He YT, Zheng Y, Jiang H, Zhang JB, Yuan B. MSI2 Modulates Unsaturated Fatty Acid Metabolism by Binding FASN in Bovine Mammary Epithelial Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:20359-20371. [PMID: 38059915 DOI: 10.1021/acs.jafc.3c07280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
The regulation of fatty acid metabolism is crucial for milk flavor and quality. Therefore, it is important to explore the genes that play a role in fatty acid metabolism and their mechanisms of action. The RNA-binding protein Musashi2 (MSI2) is involved in the regulation of numerous biological processes and plays a regulatory role in post-transcriptional translation. However, its role in the mammary glands of dairy cows has not been reported. The present study examined MSI2 expression in mammary glands from lactating and dry milk cows. Experimental results in bovine mammary epithelial cells (BMECs) showed that MSI2 was negatively correlated with the ability to synthesize milk fat and that MSI2 decreased the content of unsaturated fatty acids (UFAs) in BMECs. Silencing of Msi2 increased triglyceride accumulation in BMECs and increased the proportion of UFAs. MSI2 affects TAG synthesis and milk fat synthesis by regulating fatty acid synthase (FASN). In addition, RNA immunoprecipitation experiments in BMECs demonstrated for the first time that MSI2 can bind to the 3'-UTR of FASN mRNA to exert a regulatory effect. In conclusion, MSI2 affects milk fat synthesis and fatty acid metabolism by regulating the triglyceride synthesis and UFA content through binding FASN.
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Affiliation(s)
- Chen-Chen Lyu
- Department of Laboratory Animals, College of Animal Sciences, Jilin Provincial Key Laboratory of Animal Model, Jilin University, Changchun 130062, Jilin, China
| | - Yu Meng
- Department of Laboratory Animals, College of Animal Sciences, Jilin Provincial Key Laboratory of Animal Model, Jilin University, Changchun 130062, Jilin, China
| | - Hao-Yu Che
- Department of Laboratory Animals, College of Animal Sciences, Jilin Provincial Key Laboratory of Animal Model, Jilin University, Changchun 130062, Jilin, China
| | - Jin-Long Suo
- Institute of Microsurgery on Extremities, and Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Yun-Tong He
- Department of Laboratory Animals, College of Animal Sciences, Jilin Provincial Key Laboratory of Animal Model, Jilin University, Changchun 130062, Jilin, China
| | - Yi Zheng
- Department of Laboratory Animals, College of Animal Sciences, Jilin Provincial Key Laboratory of Animal Model, Jilin University, Changchun 130062, Jilin, China
| | - Hao Jiang
- Department of Laboratory Animals, College of Animal Sciences, Jilin Provincial Key Laboratory of Animal Model, Jilin University, Changchun 130062, Jilin, China
| | - Jia-Bao Zhang
- Department of Laboratory Animals, College of Animal Sciences, Jilin Provincial Key Laboratory of Animal Model, Jilin University, Changchun 130062, Jilin, China
| | - Bao Yuan
- Department of Laboratory Animals, College of Animal Sciences, Jilin Provincial Key Laboratory of Animal Model, Jilin University, Changchun 130062, Jilin, China
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22
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Duro MV, Van Valkenburgh J, Ingles DE, Tran J, Cai Z, Ebright B, Wang S, Kerman BE, Galvan J, Hwang SH, Sta Maria NS, Zanderigo F, Croteau E, Cunnane SC, Rapoport SI, Louie SG, Jacobs RE, Yassine HN, Chen K. Synthesis and Preclinical Evaluation of 22-[ 18F]Fluorodocosahexaenoic Acid as a Positron Emission Tomography Probe for Monitoring Brain Docosahexaenoic Acid Uptake Kinetics. ACS Chem Neurosci 2023; 14:4409-4418. [PMID: 38048230 PMCID: PMC10739598 DOI: 10.1021/acschemneuro.3c00681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 11/05/2023] [Accepted: 11/10/2023] [Indexed: 12/06/2023] Open
Abstract
Docosahexaenoic acid [22:6(n-3), DHA], a polyunsaturated fatty acid, has an important role in regulating neuronal functions and in normal brain development. Dysregulated brain DHA uptake and metabolism are found in individuals carrying the APOE4 allele, which increases the genetic risk for Alzheimer's disease (AD), and are implicated in the progression of several neurodegenerative disorders. However, there are limited tools to assess brain DHA kinetics in vivo that can be translated to humans. Here, we report the synthesis of an ω-radiofluorinated PET probe of DHA, 22-[18F]fluorodocosahexaenoic acid (22-[18F]FDHA), for imaging the uptake of DHA into the brain. Using the nonradiolabeled 22-FDHA, we confirmed that fluorination of DHA at the ω-position does not significantly alter the anti-inflammatory effect of DHA in microglial cells. Through dynamic PET-MR studies using mice, we observed the accumulation of 22-[18F]FDHA in the brain over time and estimated DHA's incorporation coefficient (K*) using an image-derived input function. Finally, DHA brain K* was validated using intravenous administration of 15 mg/kg arecoline, a natural product known to increase the DHA K* in rodents. 22-[18F]FDHA is a promising PET probe that can reveal altered lipid metabolism in APOE4 carriers, AD, and other neurologic disorders. This new probe, once translated into humans, would enable noninvasive and longitudinal studies of brain DHA dynamics by guiding both pharmacological and nonpharmacological interventions for neurodegenerative diseases.
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Affiliation(s)
- Marlon
Vincent V. Duro
- Department
of Radiology, Keck School of Medicine, University
of Southern California, Los Angeles, California 90033, United States
| | - Juno Van Valkenburgh
- Department
of Radiology, Keck School of Medicine, University
of Southern California, Los Angeles, California 90033, United States
| | - Diana E. Ingles
- Department
of Medicine, Keck School of Medicine, University
of Southern California, Los Angeles, California 90033, United States
| | - Jenny Tran
- Department
of Medicine, Keck School of Medicine, University
of Southern California, Los Angeles, California 90033, United States
| | - Zhiheng Cai
- Department
of Medicine, Keck School of Medicine, University
of Southern California, Los Angeles, California 90033, United States
| | - Brandon Ebright
- Alfred
E. Mann School of Pharmacy and Pharmaceutical Sciences, University of Southern California, Los Angeles, California 90089, United States
| | - Shaowei Wang
- Department
of Medicine, Keck School of Medicine, University
of Southern California, Los Angeles, California 90033, United States
| | - Bilal E. Kerman
- Department
of Medicine, Keck School of Medicine, University
of Southern California, Los Angeles, California 90033, United States
| | - Jasmin Galvan
- Department
of Medicine, Keck School of Medicine, University
of Southern California, Los Angeles, California 90033, United States
| | - Sung Hee Hwang
- Department
of Entomology and Nematology and UC Davis Comprehensive Cancer Center, University of California, Davis, California 95616, United States
| | - Naomi S. Sta Maria
- Zilkha
Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, California 90033, United States
| | - Francesca Zanderigo
- Department
of Psychiatry, Columbia University, New York, New York 10032, United States
- Molecular
Imaging and Neuropathology Area, New York
State Psychiatric Institute, New
York, New York 10032, United States
| | - Etienne Croteau
- Sherbrooke
Center for Molecular Imaging, University
of Sherbrooke, Sherbrooke, QC J1H 4C4, Canada
| | - Stephen C. Cunnane
- Research
Center on Aging, Department of Medicine, University of Sherbrooke, Sherbrooke, QC J1H 4C4, Canada
| | - Stanley I. Rapoport
- National
Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland 20892-9304, United States
| | - Stan G. Louie
- Alfred
E. Mann School of Pharmacy and Pharmaceutical Sciences, University of Southern California, Los Angeles, California 90089, United States
| | - Russell E. Jacobs
- Zilkha
Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, California 90033, United States
| | - Hussein N. Yassine
- Department
of Medicine, Keck School of Medicine, University
of Southern California, Los Angeles, California 90033, United States
| | - Kai Chen
- Department
of Radiology, Keck School of Medicine, University
of Southern California, Los Angeles, California 90033, United States
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23
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Li J, Zheng Y, Yang WQ, Wei ZY, Xu YS, Zhang ZX, Ma W, Sun XM. Enhancing the accumulation of lipid and docosahexaenoic acid in Schizochytrium sp. by co-overexpression of phosphopantetheinyl transferase and ω-3 fatty acid desaturase. Biotechnol J 2023; 18:e2300314. [PMID: 37596914 DOI: 10.1002/biot.202300314] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/24/2023] [Accepted: 08/16/2023] [Indexed: 08/21/2023]
Abstract
Docosahexaenoic acid (DHA) as one of ω-3 polyunsaturated fatty acids (PUFAs), plays a key role in brain development, and is widely used in food additives and the pharmaceutical industry. Schizochytrium sp. is often considered as a satisfactory strain for DHA industrialization. The aim of this study was to assess the feasibility of phosphopantetheinyl transferase (PPTase) and ω-3 fatty acid desaturase (FAD) for regulating DHA content in Schizochytrium sp. PPTase is essential to activate the polyketide-like synthase (PKS) pathway, which can transfer apo-acyl-carrier protein (apo-ACP) into holo-ACP, and plays a key role in DHA synthesis. Moreover, DHA and docosapentaenoic acid (DPA) are synthesized by the PKS pathway simultaneously, so high DPA synthesis limits the increase of DHA content. In addition, the detailed mechanisms of PKS pathway have not been fully elucidated, so it is difficult to improve DHA content by modifying PKS. However, ω-3 FAD can convert DPA into DHA, and it is the most direct and effective way to increase DHA content and reduce DPA content. Based on this, PPTase was overexpressed to enhance the synthesis of DHA by the PKS pathway, overexpressed ω-3 FAD to convert the co-product of the PKS pathway into DHA, and co-overexpressed PPTase and ω-3 FAD. With these strategies, compared with wild type, the final lipid, and DHA titer were 92.5 and 51.5 g L-1 , which increased by 46.4% and 78.1%, respectively. This study established an efficient DHA production strain, and provided some feasible strategies for industrial DHA production in Schizochytrium sp.
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Affiliation(s)
- Jin Li
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Yi Zheng
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Wen-Qian Yang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Zhi-Yun Wei
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Ying-Shuang Xu
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Zi-Xu Zhang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Wang Ma
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Xiao-Man Sun
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
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24
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Young HA, Geurts L, Scarmeas N, Benton D, Brennan L, Farrimond J, Kiliaan AJ, Pooler A, Trovò L, Sijben J, Vauzour D. Multi-nutrient interventions and cognitive ageing: are we barking up the right tree? Nutr Res Rev 2023; 36:471-483. [PMID: 36156184 DOI: 10.1017/s095442242200018x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
As we continue to elucidate the mechanisms underlying age-related brain diseases, the reductionist strategy in nutrition–brain function research has focused on establishing the impact of individual foods. However, the biological processes connecting diet and cognition are complex. Therefore, consideration of a combination of nutritional compounds may be most efficacious. One barrier to establishing the efficacy of multi-nutrient interventions is that the area lacks an established set of evidence-based guidelines for studying their effect on brain health. This review is an output of the International Life Sciences Institute (ILSI) Europe. A multi-disciplinary expert group was assembled with the aim of developing a set of considerations to guide research into the effects of multi-nutrient combinations on brain functions. Consensus recommendations converged on six key issues that should be considered to advance research in this area: (1) establish working mechanisms of the combination and contributions of each individual compound; (2) validate the relevance of the mechanisms for the targeted human condition; (3) include current nutrient status, intake or dietary pattern as inclusion/exclusion criteria in the study design; (4) select a participant population that is clinically and biologically appropriate for all nutritional components of the combination; (5) consider a range of cognitive outcomes; (6) consider the limits of reductionism and the ‘gold standard’ randomised controlled trial. These guiding principles will enhance our understanding of the interactive/complementary activities of dietary components, thereby strengthening the evidence base for recommendations aimed at delaying cognitive decline.
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Affiliation(s)
| | - Lucie Geurts
- International Life Sciences Institute Europe, Brussels, Belgium
| | - Nikolaos Scarmeas
- 1st Department of Neurology, Aiginition Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
- Department of Neurology, Columbia University, New York, USA
| | - David Benton
- Department of Psychology, Swansea University, Wales, UK
| | - Lorraine Brennan
- UCD Conway Institute of Biomolecular and Biomedical Research, UCD Institute of Food and Health, UCD School of Agriculture and Food Science, Dublin, Republic of Ireland
| | | | - Amanda J Kiliaan
- Department of Medical Imaging, Anatomy, Radboud University Medical Center, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands
| | - Amy Pooler
- Formerly at Nestlé Institute of Health Sciences, Lausanne, Switzerland. Currently at Sangamo Therapeutics, Inc, San Francisco, USA
| | - Laura Trovò
- Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., Vers-chez-les-Blanc, 1000 Lausanne 26, Switzerland
| | - John Sijben
- Danone Nutricia Research, Utrecht, The Netherlands
| | - David Vauzour
- Norwich Medical School, University of East Anglia, Norwich, UK
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25
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Zhang Y, Kalpio M, Tao L, Haraldsson GG, Guðmundsson HG, Fang X, Linderborg KM, Zhang Y, Yang B. Metabolic fate of DHA from regio- and stereospecific positions of triacylglycerols in a long-term feeding trial in rats. Food Res Int 2023; 174:113626. [PMID: 37986478 DOI: 10.1016/j.foodres.2023.113626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/19/2023] [Accepted: 10/21/2023] [Indexed: 11/22/2023]
Abstract
This study investigated the impact of regio- and stereospecific position of docosahexaenoic acid (DHA) in dietary triacylglycerols (TAGs) on the fatty acid composition of tissues and organs in rats. Four-week feeding with TAGs containing DHA in sn-1, 2, or 3 position and palmitic acid in the remaining positions at a daily dosage of 500 mg TAG/kg body weight significantly increased the DHA content in all organs and tissues in rats, except in the brain, where the change in DHA level was not statistically significant. The group fed sn-1 DHA showed a significantly higher content of DHA in the plasma TAG than the group fed sn-3 DHA. The sn-3 DHA group had higher levels of DHA in the visceral fat compared to the sn-1, sn-2, as well as all other groups. This is the first study showing that DHA from sn-1 and sn-3 positions of dietary TAGs have differential accumulation in tissues. The new findings improved the current knowledge on the significance of TAG isomeric structure for the bioavailability and metabolic fate of DHA.
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Affiliation(s)
- Yuqing Zhang
- Food Sciences, Department of Life Technologies, University of Turku, Turku, Finland
| | - Marika Kalpio
- Food Sciences, Department of Life Technologies, University of Turku, Turku, Finland
| | - Lingwei Tao
- Department of Nutrition & Food Hygiene, School of Public Health, Peking University Health Science Center, Beijing, China
| | | | | | - Xiangrong Fang
- Food Sciences, Department of Life Technologies, University of Turku, Turku, Finland
| | - Kaisa M Linderborg
- Food Sciences, Department of Life Technologies, University of Turku, Turku, Finland
| | - Yumei Zhang
- Department of Nutrition & Food Hygiene, School of Public Health, Peking University Health Science Center, Beijing, China
| | - Baoru Yang
- Food Sciences, Department of Life Technologies, University of Turku, Turku, Finland.
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26
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Lakshimi VI, Kavitha M. New Insights into Prospective Health Potential of ω-3 PUFAs. Curr Nutr Rep 2023; 12:813-829. [PMID: 37996669 DOI: 10.1007/s13668-023-00508-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/09/2023] [Indexed: 11/25/2023]
Abstract
PURPOSE OF REVIEW Docosahexaenoic acid and eicosapentaenoic acid are the two essential long-chain ω-3 polyunsaturated fatty acids (ω-3 PUFAs) promoting human health which are obtained from diet or supplementation. The eicosanoids derived from ω-6 and ω-3 PUFAs have opposite characteristics of pro- and anti-inflammatory activities. The proinflammatory effects of ω-6 PUFAs are behind the pathology of the adverse health conditions of PUFA metabolism like cardiovascular diseases, neurological disorders, and inflammatory diseases. A balanced ω-6 to ω-3 ratio of 1-4:1 is critical to prevent the associated disorders. But due to modern agricultural practices, there is a disastrous shift in this ratio to 10-20:1. This review primarily aims to discuss the myriad health potentials of ω-3 PUFAs uncovered through recent research. It further manifests the importance of maintaining a balanced ω-6 to ω-3 PUFA ratio. RECENT FINDINGS ω-3 PUFAs exhibit protective effects against diabetes mellitus-associated complications including diabetic retinopathy, diabetic nephropathy, and proteinuria. COVID-19 is also not an exception to the health benefits of ω-3 PUFAs. Supplementation of ω-3 PUFAs improved the respiratory and clinical symptoms in COVID-19 patients. ω-3 PUFAs exhibit a variety of health benefits including anti-inflammatory property and antimicrobial property and are effective in protecting against various health conditions like atherosclerosis, cardiovascular diseases, diabetes mellitus, COVID-19, and neurological disorders. In the present review, various health potentials of ω-3 PUFAs are extensively reviewed and summarized. Further, the importance of a balanced ω-6 to ω-3 PUFA ratio has been emphasized besides stating the diverse sources of ω-3 PUFA.
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Affiliation(s)
- V Iswareya Lakshimi
- School of Biosciences and Technology, Vellore Institute of Technology, Vellore, 632014, Tamil Nadu, India
| | - M Kavitha
- School of Biosciences and Technology, Vellore Institute of Technology, Vellore, 632014, Tamil Nadu, India.
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27
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Nagata A, Oishi S, Kirishita N, Onoda K, Kobayashi T, Terada Y, Minami A, Senoo N, Yoshioka Y, Uchida K, Ito K, Miura S, Miyoshi N. Allyl Isothiocyanate Maintains DHA-Containing Glycerophospholipids and Ameliorates the Cognitive Function Decline in OVX Mice. ACS OMEGA 2023; 8:43118-43129. [PMID: 38024702 PMCID: PMC10652735 DOI: 10.1021/acsomega.3c06622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 10/18/2023] [Accepted: 10/19/2023] [Indexed: 12/01/2023]
Abstract
Low-temperature-induced fatty acid desaturation is highly conserved in animals, plants, and bacteria. Allyl isothiocyanate (AITC) is an agonist of the transient receptor potential ankyrin 1 (TRPA1), which is activated by various chemophysiological stimuli, including low temperature. However, whether AITC induces fatty acid desaturation remains unknown. We showed here that AITC increased levels of glycerophospholipids (GP) esterified with unsaturated fatty acids, especially docosahexaenoic acid (DHA) in TRPA1-expressing HEK cells. Additionally, GP-DHA including phosphatidylcholine (18:0/22:6) and phosphatidylethanolamine (18:0/22:6) was increased in the brain and liver of AITC-administered mice. Moreover, intragastrical injection of AITC in ovariectomized (OVX) female C57BL/6J mice dose-dependently shortened the Δlatency time determined by the Morris water maze test, indicating AITC ameliorated the cognitive function decline in these mice. Thus, the oral administration of AITC maintains GP-DHA in the liver and brain, proving to be a potential strategy for preventing cognitive decline.
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Affiliation(s)
- Akika Nagata
- Graduate
School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka 4228526, Japan
| | - Shiori Oishi
- Graduate
School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka 4228526, Japan
| | - Nanako Kirishita
- Graduate
School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka 4228526, Japan
| | - Keita Onoda
- Graduate
School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka 4228526, Japan
| | - Takuma Kobayashi
- Graduate
School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka 4228526, Japan
| | - Yuko Terada
- Graduate
School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka 4228526, Japan
| | - Akira Minami
- Department
of Biochemistry, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka 4228526, Japan
| | - Nanami Senoo
- Graduate
School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka 4228526, Japan
| | - Yasukiyo Yoshioka
- Graduate
School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka 4228526, Japan
| | - Kunitoshi Uchida
- Graduate
School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka 4228526, Japan
| | - Keisuke Ito
- Graduate
School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka 4228526, Japan
| | - Shinji Miura
- Graduate
School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka 4228526, Japan
| | - Noriyuki Miyoshi
- Graduate
School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka 4228526, Japan
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28
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Bhat Agni M, Hegde PS, Ullal H, Damodara Gowda KM. Nutritional efficacy of Astaxanthin in modulating orexin peptides and fatty acid level during adult life of rats exposed to perinatal undernutrition stress. Nutr Neurosci 2023; 26:1045-1057. [PMID: 36154638 DOI: 10.1080/1028415x.2022.2123184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
Perinatal undernutrition stress predisposes several disorders in adult life, which could be programed using nutraceuticals. However, the effect of perinatal undernutrition stress on orexin peptides, brain lipids, and its amelioration by a potent antioxidant (Astaxanthin) needs exploration. The present study focussed on the effect of perinatal undernutrition stress on brain fatty acid levels, Orexin peptides A and B, and its amelioration by Astaxanthin.Twenty-four male Wistar rats (Rattus norvegicus) were allocated to four groups (n = 6) as Normal, Perinatally Undernourished (UN), Astaxanthin treated (AsX, 12mg/kg), and perinatally Undernourished-but-Astaxanthin treated (UNA), and are allowed to grow for 1, 6 and 12 months. The fatty acid and orexin peptides A & B at different brain parts were measured and compared. Orexin peptides were assessed using an ELISA kit. Fatty acid levels were estimated using HP 5890 gas chromatograph. Data were analyzed by ANOVA followed by Tukey's posthoc test. P < 0.05 was considered significant.The hair cortisol, Orexin-A, and B were significantly increased (p < 0.001) in the UN group compared to normal and were modulated significantly by AsX in the UNA group. Undernutrition stress during the perinatal period altered the lipid profile, Total SFA, Total MUFA, Total n-3 PUFA, Total n-6 PUFA, n-3: n-6 PUFA, which Astaxanthin effectively modulated at 6 and 12 months of postnatal life. There was no difference between DHA and AA ratio. These results indicate that nutritional enrichment with Astaxanthin during the perinatal period positively contributes to adult health. Further, the mechanism of regulation of brain chemistry by Astaxanthin is warranted.
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Affiliation(s)
- Megha Bhat Agni
- Department of Physiology, Nitte (Deemed to be University), KS Hegde Medical Academy (KSHEMA), Mangalore, India
| | - Pramukh Subrahmanya Hegde
- Department of Physiology, Nitte (Deemed to be University), KS Hegde Medical Academy (KSHEMA), Mangalore, India
| | - Harshini Ullal
- Department of Biotechnology, Nitte (Deemed to be University), NMAM Institute of Technology (NMAMIT), Nitte, India
| | - K M Damodara Gowda
- Department of Physiology, Nitte (Deemed to be University), KS Hegde Medical Academy (KSHEMA), Mangalore, India
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29
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González LM, Bourissai A, Lessard-Beaudoin M, Lebel R, Tremblay L, Lepage M, Graham RK. Amelioration of Cognitive and Olfactory System Deficits in APOE4 Transgenic Mice with DHA Treatment. Mol Neurobiol 2023; 60:5624-5641. [PMID: 37329383 DOI: 10.1007/s12035-023-03401-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 05/24/2023] [Indexed: 06/19/2023]
Abstract
Olfactory dysfunction and atrophy of olfactory brain regions are observed early in mild cognitive impairment and Alzheimer disease. Despite substantial evidence showing neuroprotective effects in MCI/AD with treatment of docosahexaenoic acid (DHA), an omega-3 fatty acid, few studies have assessed DHA and its effects on the olfactory system deficits. We therefore performed structural (MRI), functional (olfactory behavior, novel object recognition), and molecular (markers of apoptosis and inflammation) assessments of APOE4 and wild-type mice ± DHA treatment at 3, 6, and 12 months of age. Our results demonstrate that APOE4 mice treated with the control diet show recognition memory deficits, abnormal olfactory habituation, and discrimination abilities and an increase in IBA-1 immunoreactivity in the olfactory bulb. These phenotypes were not present in APOE4 mice treated with a DHA diet. Alterations in some brain regions' weights and/or volumes were observed in the APOPE4 mice and may be due to caspase activation and/or neuroinflammatory events. These results suggest that the consumption of a diet rich in DHA may provide some benefit to E4 carriers but may not alleviate all symptoms.
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Affiliation(s)
- Laura Martínez González
- Research Centre on Aging CIUSSS de l'Estrie-CHUS, Sherbrooke, Quebec, Canada
- Department of Pharmacology and Physiology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, 3001 12e Avenue Nord, QC, J1H 5N4, Sherbrooke, Canada
| | - Adam Bourissai
- Department of Nuclear Medicine and Radiobiology, Université de Sherbrooke, Faculty of Medicine and Health Sciences, Sherbrooke, Quebec, J1H 5N4, Canada
| | - Mélissa Lessard-Beaudoin
- Research Centre on Aging CIUSSS de l'Estrie-CHUS, Sherbrooke, Quebec, Canada
- Department of Pharmacology and Physiology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, 3001 12e Avenue Nord, QC, J1H 5N4, Sherbrooke, Canada
| | - Réjean Lebel
- Department of Nuclear Medicine and Radiobiology, Université de Sherbrooke, Faculty of Medicine and Health Sciences, Sherbrooke, Quebec, J1H 5N4, Canada
| | - Luc Tremblay
- Department of Nuclear Medicine and Radiobiology, Université de Sherbrooke, Faculty of Medicine and Health Sciences, Sherbrooke, Quebec, J1H 5N4, Canada
| | - Martin Lepage
- Department of Nuclear Medicine and Radiobiology, Université de Sherbrooke, Faculty of Medicine and Health Sciences, Sherbrooke, Quebec, J1H 5N4, Canada
| | - Rona K Graham
- Research Centre on Aging CIUSSS de l'Estrie-CHUS, Sherbrooke, Quebec, Canada.
- Department of Pharmacology and Physiology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, 3001 12e Avenue Nord, QC, J1H 5N4, Sherbrooke, Canada.
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Hemida M, Rosendahl S, Jokinen TS, Moore R, Vuori KA, Anturaniemi J, Hielm-Björkman A. Assessing the association between supplemented puppyhood dietary fat sources and owner-reported epilepsy in adulthood, among Finnish companion dogs. Front Vet Sci 2023; 10:1227437. [PMID: 37781290 PMCID: PMC10540444 DOI: 10.3389/fvets.2023.1227437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 08/25/2023] [Indexed: 10/03/2023] Open
Abstract
Introduction Epilepsy is a serious and common neurological condition in dogs, despite the wide number of antiepileptic drugs available, in approximately one third of the patients, epilepsy remains unsatisfactorily controlled. We aim to analyze whether feeding dietary fat sources during puppyhood was associated with canine epilepsy in adulthood. Methods A nested case-control study was compiled from the validated DogRisk food frequency questionnaire (DogRisk FFQ). DogRisk FFQ collected feeding, disease, and background data about the dog. The study sample consisted of 108 owner-reported epileptic cases and 397 non-epileptic controls. Each case was matched with up to four controls for the key confounding factors of sex, breed, and age. We analyzed associations between feeding as a puppy and owner-reported epilepsy as an adult dog using Cox regression. We tested 55 different food variables. Results We found that feeding fish fat from dietary sources at least once a week during puppyhood was inversely associated with epilepsy in later life in the unadjusted analysis [OR 0.46 (95% CI 0.25-0.83), p=0.01], while when adjusting for keeping conditions and dog characteristics the association was [OR 0.45 (95% CI 0.23-0.88), p=0.02]. When adjusted for keeping conditions, dog characteristics, and other feeding factors, the association was of similar magnitude but not significance [OR 0.56 (95% CI 0.27-1.15), p=0.12]. Discussion The study indicates possible protective associations of feeding the dog with dietary sources of fish fat against epilepsy, although the result could be confounded by other feeding factors. Findings are compatible with current knowledge regarding the role of omega-3 fatty acids and ketogenic diet, a low carbohydrate, high fat diet as supportive treatments of epilepsy. As our findings are based on observations, we suggest the possibility of causality but do not prove it. Dietary intervention studies should now be conducted to confirm our findings.
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Affiliation(s)
- Manal Hemida
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
- Department of Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Beni-Suef University, Beni Suef, Egypt
| | - Sarah Rosendahl
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Tarja S. Jokinen
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Robin Moore
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Kristiina A. Vuori
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Johanna Anturaniemi
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Anna Hielm-Björkman
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
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Pathare NN, Fayet-Moore F, Fogarty JA, Jacka FN, Strandwitz P, Strangman GE, Donoviel DB. Nourishing the brain on deep space missions: nutritional psychiatry in promoting resilience. Front Neural Circuits 2023; 17:1170395. [PMID: 37663891 PMCID: PMC10469890 DOI: 10.3389/fncir.2023.1170395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 07/31/2023] [Indexed: 09/05/2023] Open
Abstract
The grueling psychological demands of a journey into deep space coupled with ever-increasing distances away from home pose a unique problem: how can we best take advantage of the benefits of fresh foods in a place that has none? Here, we consider the biggest challenges associated with our current spaceflight food system, highlight the importance of supporting optimal brain health on missions into deep space, and discuss evidence about food components that impact brain health. We propose a future food system that leverages the gut microbiota that can be individually tailored to best support the brain and mental health of crews on deep space long-duration missions. Working toward this goal, we will also be making investments in sustainable means to nourish the crew that remains here on spaceship Earth.
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Affiliation(s)
- Nihar N. Pathare
- Center for Space Medicine, Baylor College of Medicine, Houston, TX, United States
| | | | - Jennifer A. Fogarty
- Center for Space Medicine, Baylor College of Medicine, Houston, TX, United States
- Department of Medicine, Baylor College of Medicine, Houston, TX, United States
- Translational Research Institute for Space Health (TRISH), Houston, TX, United States
| | - Felice N. Jacka
- Food and Mood Centre, Institute for Mental and Physical Health and Clinical Translation (IMPACT) Strategic Research Centre, Deakin University, Geelong, VIC, Australia
- Department of Psychiatry, The University of Melbourne, Parkville, VIC, Australia
| | | | - Gary E. Strangman
- Neural Systems Group, Division of Health Sciences and Technology, Massachusetts General Hospital, Harvard Medical School and Harvard-MIT, Charlestown, MA, United States
- Department of Psychology, Harvard University, Cambridge, MA, United States
| | - Dorit B. Donoviel
- Center for Space Medicine, Baylor College of Medicine, Houston, TX, United States
- Translational Research Institute for Space Health (TRISH), Houston, TX, United States
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, Houston, TX, United States
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Gerstner JR, Flores CC, Lefton M, Rogers B, Davis CJ. FABP7: a glial integrator of sleep, circadian rhythms, plasticity, and metabolic function. Front Syst Neurosci 2023; 17:1212213. [PMID: 37404868 PMCID: PMC10315501 DOI: 10.3389/fnsys.2023.1212213] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 06/02/2023] [Indexed: 07/06/2023] Open
Abstract
Sleep and circadian rhythms are observed broadly throughout animal phyla and influence neural plasticity and cognitive function. However, the few phylogenetically conserved cellular and molecular pathways that are implicated in these processes are largely focused on neuronal cells. Research on these topics has traditionally segregated sleep homeostatic behavior from circadian rest-activity rhythms. Here we posit an alternative perspective, whereby mechanisms underlying the integration of sleep and circadian rhythms that affect behavioral state, plasticity, and cognition reside within glial cells. The brain-type fatty acid binding protein, FABP7, is part of a larger family of lipid chaperone proteins that regulate the subcellular trafficking of fatty acids for a wide range of cellular functions, including gene expression, growth, survival, inflammation, and metabolism. FABP7 is enriched in glial cells of the central nervous system and has been shown to be a clock-controlled gene implicated in sleep/wake regulation and cognitive processing. FABP7 is known to affect gene transcription, cellular outgrowth, and its subcellular localization in the fine perisynaptic astrocytic processes (PAPs) varies based on time-of-day. Future studies determining the effects of FABP7 on behavioral state- and circadian-dependent plasticity and cognitive processes, in addition to functional consequences on cellular and molecular mechanisms related to neural-glial interactions, lipid storage, and blood brain barrier integrity will be important for our knowledge of basic sleep function. Given the comorbidity of sleep disturbance with neurological disorders, these studies will also be important for our understanding of the etiology and pathophysiology of how these diseases affect or are affected by sleep.
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Affiliation(s)
- Jason R. Gerstner
- Department of Translational Medicine and Physiology, Elson S. Floyd College of Medicine, Washington State University, Spokane, WA, United States
- Steve Gleason Institute for Neuroscience, Spokane, WA, United States
- Sleep and Performance Research Center, Elson S. Floyd College of Medicine, Washington State University, Spokane, WA, United States
| | - Carlos C. Flores
- Department of Translational Medicine and Physiology, Elson S. Floyd College of Medicine, Washington State University, Spokane, WA, United States
| | - Micah Lefton
- Department of Translational Medicine and Physiology, Elson S. Floyd College of Medicine, Washington State University, Spokane, WA, United States
| | - Brooke Rogers
- Department of Translational Medicine and Physiology, Elson S. Floyd College of Medicine, Washington State University, Spokane, WA, United States
| | - Christopher J. Davis
- Department of Translational Medicine and Physiology, Elson S. Floyd College of Medicine, Washington State University, Spokane, WA, United States
- Steve Gleason Institute for Neuroscience, Spokane, WA, United States
- Sleep and Performance Research Center, Elson S. Floyd College of Medicine, Washington State University, Spokane, WA, United States
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Yao J, Zhu J, Zhao M, Zhou L, Marchioni E. Untargeted Lipidomics Method for the Discrimination of Five Crab Species by Ultra-High-Performance Liquid Chromatography High-Resolution Mass Spectrometry Combined with Chemometrics. Molecules 2023; 28:molecules28093653. [PMID: 37175063 PMCID: PMC10179896 DOI: 10.3390/molecules28093653] [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: 02/22/2023] [Revised: 04/14/2023] [Accepted: 04/19/2023] [Indexed: 05/15/2023] Open
Abstract
In this study, ultra-high-performance liquid chromatography high-resolution accurate mass-mass spectrometry (UHPLC-HRAM/MS) was applied to characterize the lipid profiles of five crab species. A total of 203 lipid molecular species in muscle tissue and 176 in edible viscera were quantified. The results indicate that Cancer pagurus contained high levels of lipids with a docosahexaenoic acid (DHA) and eicosapntemacnioc acid (EPA) structure in the muscle tissue and edible viscera. A partial least squares discriminant analysis (PLS-DA) showed that PE 16:0/22:6, PE P-18:0/20:5, PA 16:0/22:6 and PC 16:0/16:1 could be used as potential biomarkers to discriminate the five kinds of crabs. In addition, some lipids, such as PE 18:0/20:5, PC 16:0/16:1, PE P-18:0/22:6 and SM 12:1;2O/20:0, could be used as characteristic molecules to distinguish between Cancer magister and Cancer pagurus, which are similar in appearance. This study provides a new perspective on discriminating crab species from MS-based lipidomics.
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Affiliation(s)
- Jiaxu Yao
- National Demonstration Center for Experimental Ethnopharmacology Education, School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan 430074, China
| | - Jinrui Zhu
- National Demonstration Center for Experimental Ethnopharmacology Education, School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan 430074, China
| | - Minjie Zhao
- Equipe de Chimie Analytique des Molécules Bioactives et Pharmacognoise, Institut Pluridisciplinaire Hubert Curien (UMR 7178, CNRS/UDS), 74 Route du Rhin, 67400 Illkirch, France
| | - Li Zhou
- National Demonstration Center for Experimental Ethnopharmacology Education, School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan 430074, China
| | - Eric Marchioni
- Equipe de Chimie Analytique des Molécules Bioactives et Pharmacognoise, Institut Pluridisciplinaire Hubert Curien (UMR 7178, CNRS/UDS), 74 Route du Rhin, 67400 Illkirch, France
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Leonard M, Maury J, Dickerson B, Gonzalez DE, Kendra J, Jenkins V, Nottingham K, Yoo C, Xing D, Ko J, Pradelles R, Faries M, Kephart W, Sowinski R, Rasmussen CJ, Kreider RB. Effects of Dietary Supplementation of a Microalgae Extract Containing Fucoxanthin Combined with Guarana on Cognitive Function and Gaming Performance. Nutrients 2023; 15:nu15081918. [PMID: 37111136 PMCID: PMC10142384 DOI: 10.3390/nu15081918] [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: 03/22/2023] [Revised: 04/10/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
BACKGROUND Esports competitive gaming requires selective visual attention, memory, quick judgment, and an ability to sustain psychomotor performance over time. Fucoxanthin is a carotenoid, found in specific microalgae varieties such as Phaeodactylum tricornutum (PT), that has been purported to possess nootropic and neuroprotective effects through its anti-inflammatory and antioxidant properties. This study evaluated whether acute and 30-day supplementation of an extract of PT from microalgae combined with guarana (a natural source of caffeine) affects cognitive function in gamers. MATERIALS AND METHODS In a double-blind, placebo-controlled manner, 61 experienced gamers (21.7 ± 4.1 years, 73 ± 13 kg) were randomly assigned to ingest a placebo (PL), a low-dose (LD) supplement containing 440 mg of PT extract including 1% fucoxanthin +500 mg of guarana containing 40-44 mg caffeine (MicroPhyt™, Microphyt, Baillargues, FR), or a high-dose (HD) supplement containing 880 mg of PT extract +500 mg of guarana for 30 days. At baseline, cognitive function tests were administered before supplementation, 15 min post-supplementation, and after 60 min of competitive gameplay with participants' most played video game. Participants continued supplementation for 30 days and then repeated pre-supplementation and post-gaming cognitive function tests. General linear model univariate analyses with repeated measures and changes from baseline with 95% confidence intervals were used to analyze data. RESULTS There was some evidence that acute and 30-day ingestion of the PT extract from microalgae with guarana improved reaction times, reasoning, learning, executive control, attention shifting (cognitive flexibility), and impulsiveness. While some effects were seen after acute ingestion, the greatest impact appeared after 30 days of supplementation, with some benefits seen in the LD and HD groups. Moreover, there was evidence that both doses of the PT extract from microalgae with guarana may support mood state after acute and 30-day supplementation. Registered clinical trial #NCT04851899.
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Affiliation(s)
- Megan Leonard
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Jonathan Maury
- Microphyt, Research & Development Department, 34670 Baillargues, France
| | - Broderick Dickerson
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Drew E Gonzalez
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Jacob Kendra
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Victoria Jenkins
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Kay Nottingham
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Choongsung Yoo
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Dante Xing
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Joungbo Ko
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Rémi Pradelles
- Microphyt, Research & Development Department, 34670 Baillargues, France
| | - Mark Faries
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
- Texas A&M AgriLife Extension, Texas A&M University, College Station, TX 77843, USA
| | - Wesley Kephart
- Department of Kinesiology, University of Wisconsin, Whitewater, WI 53190, USA
| | - Ryan Sowinski
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Christopher J Rasmussen
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
| | - Richard B Kreider
- Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, Texas A&M University, College Station, TX 77843, USA
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A Preliminary Comparison of Plasma Tryptophan Metabolites and Medium- and Long-Chain Fatty Acids in Adult Patients with Major Depressive Disorder and Schizophrenia. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:medicina59020413. [PMID: 36837614 PMCID: PMC9968143 DOI: 10.3390/medicina59020413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/09/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023]
Abstract
Background and Objectives: Disturbance of tryptophan (Trp) and fatty acid (FA) metabolism plays a role in the pathogenesis of psychiatric disorders. However, quantitative analysis and comparison of plasma Trp metabolites and medium- and long-chain fatty acids (MCFAs and LCFAs) in adult patients with major depressive disorder (MDD) and schizophrenia (SCH) are limited. Materials and Methods: Clinical symptoms were assessed and the level of Trp metabolites and MCFAs and LCFAs for plasma samples from patients with MDD (n = 24) or SCH (n = 22) and healthy controls (HC, n = 23) were obtained and analyzed. Results: We observed changes in Trp metabolites and MCFAs and LCFAs with MDD and SCH and found that Trp and its metabolites, such as N-formyl-kynurenine (NKY), 5-hydroxyindole-3-acetic acid (5-HIAA), and indole, as well as omega-3 polyunsaturated fatty acids (N3) and the ratio of N3 to omega-6 polyunsaturated fatty acids (N3: N6), decreased in both MDD and SCH patients. Meanwhile, levels of saturated fatty acids (SFA) and monounsaturated fatty acids (MUFA) decreased in SCH patients, and there was a significant difference in the composition of MCFAs and LCFAs between MDD and SCH patients. Moreover, the top 10 differential molecules could distinguish the two groups of diseases from HC and each other with high reliability. Conclusions: This study provides a further understanding of dysfunctional Trp and FA metabolism in adult patients with SCH or MDD and might develop combinatorial classifiers to distinguish between these disorders.
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Kusumoto I, Kato S, Nakagawa K. Analysis of docosahexaenoic acid hydroperoxide isomers in mackerel using liquid chromatography-mass spectrometry. Sci Rep 2023; 13:1325. [PMID: 36693996 PMCID: PMC9873796 DOI: 10.1038/s41598-023-28514-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 01/19/2023] [Indexed: 01/25/2023] Open
Abstract
Docosahexaenoic acid (DHA) is mostly esterified in food and is easily oxidized by exposure to heat or light. Hydroperoxide positions of DHA mono-hydroperoxide (DHA;OOH) provide information on oxidation mechanisms (e.g., radical- or singlet oxygen oxidation), yet direct identification of esterified DHA;OOH isomers has not been achieved. We previously accomplished the direct analysis of free DHA;OOH isomers with liquid chromatography-mass spectrometry (LC-MS/MS). In this study, we developed an LC-MS/MS method for direct analysis of esterified DHA;OOH based on our previous study. The developed method was capable of distinguishing esterified DHA;OOH isomers in raw- and oxidized mackerel. The result suggested that radical oxidation of esterified DHA can progress even in refrigeration. Different transitions were observed depending on the oxidation mechanism and lipid class. The analytical method and insights obtained in this study would be valuable to further understand and effectively prevent DHA oxidation in food products.
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Affiliation(s)
- Ibuki Kusumoto
- Food Function Analysis Laboratory, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi, 980-8572, Japan
| | - Shunji Kato
- Food Function Analysis Laboratory, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi, 980-8572, Japan
| | - Kiyotaka Nakagawa
- Food Function Analysis Laboratory, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi, 980-8572, Japan.
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Rizzo G, Baroni L, Lombardo M. Promising Sources of Plant-Derived Polyunsaturated Fatty Acids: A Narrative Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:ijerph20031683. [PMID: 36767052 PMCID: PMC9914036 DOI: 10.3390/ijerph20031683] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 01/11/2023] [Accepted: 01/15/2023] [Indexed: 06/01/2023]
Abstract
(1) Background: Polyunsaturated fatty acids (PUFAs) are known for their ability to protect against numerous metabolic disorders. The consumption of oily fish is the main source of PUFAs in human nutrition and is commonly used for supplement production. However, seafood is an overexploited source that cannot be guaranteed to cover the global demands. Furthermore, it is not consumed by everyone for ecological, economic, ethical, geographical and taste reasons. The growing demand for natural dietary sources of PUFAs suggests that current nutritional sources are insufficient to meet global needs, and less and less will be. Therefore, it is crucial to find sustainable sources that are acceptable to all, meeting the world population's needs. (2) Scope: This review aims to evaluate the recent evidence about alternative plant sources of essential fatty acids, focusing on long-chain omega-3 (n-3) PUFAs. (3) Method: A structured search was performed on the PubMed search engine to select available human data from interventional studies using omega-3 fatty acids of non-animal origin. (4) Results: Several promising sources have emerged from the literature, such as algae, microorganisms, plants rich in stearidonic acid and GM plants. However, the costs, acceptance and adequate formulation deserve further investigation.
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Affiliation(s)
- Gianluca Rizzo
- Independent Researcher, Via Venezuela 66, 98121 Messina, Italy
| | - Luciana Baroni
- Scientific Society for Vegetarian Nutrition, 30171 Venice, Italy
| | - Mauro Lombardo
- Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Open University, 00166 Rome, Italy
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Strefeler A, Jan M, Quadroni M, Teav T, Rosenberg N, Chatton JY, Guex N, Gallart-Ayala H, Ivanisevic J. Molecular insights into sex-specific metabolic alterations in Alzheimer's mouse brain using multi-omics approach. Alzheimers Res Ther 2023; 15:8. [PMID: 36624525 PMCID: PMC9827669 DOI: 10.1186/s13195-023-01162-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 01/02/2023] [Indexed: 01/11/2023]
Abstract
BACKGROUND Alzheimer's disease (AD) is a progressive neurodegenerative disorder that is characterized by altered cellular metabolism in the brain. Several of these alterations have been found to be exacerbated in females, known to be disproportionately affected by AD. We aimed to unravel metabolic alterations in AD at the metabolic pathway level and evaluate whether they are sex-specific through integrative metabolomic, lipidomic, and proteomic analysis of mouse brain tissue. METHODS We analyzed male and female triple-transgenic mouse whole brain tissue by untargeted mass spectrometry-based methods to obtain a molecular signature consisting of polar metabolite, complex lipid, and protein data. These data were analyzed using multi-omics factor analysis. Pathway-level alterations were identified through joint pathway enrichment analysis or by separately evaluating lipid ontology and known proteins related to lipid metabolism. RESULTS Our analysis revealed significant AD-associated and in part sex-specific alterations across the molecular signature. Sex-dependent alterations were identified in GABA synthesis, arginine biosynthesis, and in alanine, aspartate, and glutamate metabolism. AD-associated alterations involving lipids were also found in the fatty acid elongation pathway and lysophospholipid metabolism, with a significant sex-specific effect for the latter. CONCLUSIONS Through multi-omics analysis, we report AD-associated and sex-specific metabolic alterations in the AD brain involving lysophospholipid and amino acid metabolism. These findings contribute to the characterization of the AD phenotype at the molecular level while considering the effect of sex, an overlooked yet determinant metabolic variable.
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Affiliation(s)
- Abigail Strefeler
- grid.9851.50000 0001 2165 4204Metabolomics Unit, Faculty of Biology and Medicine, University de Lausanne, Lausanne, Switzerland
| | - Maxime Jan
- grid.9851.50000 0001 2165 4204Bioinformatics Competence Center, Faculty of Biology and Medicine, University de Lausanne, Lausanne, Switzerland
| | - Manfredo Quadroni
- grid.9851.50000 0001 2165 4204Protein Analysis Facility, Faculty of Biology and Medicine, University de Lausanne, Lausanne, Switzerland
| | - Tony Teav
- grid.9851.50000 0001 2165 4204Metabolomics Unit, Faculty of Biology and Medicine, University de Lausanne, Lausanne, Switzerland
| | - Nadia Rosenberg
- grid.9851.50000 0001 2165 4204Department of Fundamental Neurosciences, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | - Jean-Yves Chatton
- grid.9851.50000 0001 2165 4204Department of Fundamental Neurosciences, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | - Nicolas Guex
- grid.9851.50000 0001 2165 4204Bioinformatics Competence Center, Faculty of Biology and Medicine, University de Lausanne, Lausanne, Switzerland
| | - Hector Gallart-Ayala
- grid.9851.50000 0001 2165 4204Metabolomics Unit, Faculty of Biology and Medicine, University de Lausanne, Lausanne, Switzerland
| | - Julijana Ivanisevic
- grid.9851.50000 0001 2165 4204Metabolomics Unit, Faculty of Biology and Medicine, University de Lausanne, Lausanne, Switzerland
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Badesso S, Cartas-Cejudo P, Espelosin M, Santamaria E, Cuadrado-Tejedor M, Garcia-Osta A. Docosahexaenoic Acid Ameliorates Contextual Fear Memory Deficits in the Tg2576 Alzheimer's Disease Mouse Model: Cellular and Molecular Correlates. Pharmaceutics 2022; 15:pharmaceutics15010082. [PMID: 36678710 PMCID: PMC9866126 DOI: 10.3390/pharmaceutics15010082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/09/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
Docosahexaenoic acid (DHA), the most abundant polyunsaturated fatty acid in the brain, is essential for successful aging. In fact, epidemiological studies have demonstrated that increased intake of DHA might lower the risk for developing Alzheimer's disease (AD). These observations are supported by studies in animal models showing that DHA reduces synaptic pathology and memory deficits. Different mechanisms to explain these beneficial effects have been proposed; however, the molecular pathways involved are still unknown. In this study, to unravel the main underlying molecular mechanisms activated upon DHA treatment, the effect of a high dose of DHA on cognitive function and AD pathology was analyzed in aged Tg2576 mice and their wild-type littermates. Transcriptomic analysis of mice hippocampi using RNA sequencing was subsequently performed. Our results revealed that, through an amyloid-independent mechanism, DHA enhanced memory function and increased synapse formation only in the Tg2576 mice. Likewise, the IPA analysis demonstrated that essential neuronal functions related to synaptogenesis, neuritogenesis, the branching of neurites, the density of dendritic spines and the outgrowth of axons were upregulated upon-DHA treatment in Tg2576 mice. Our results suggest that memory function in APP mice is influenced by DHA intake; therefore, a high dose of daily DHA should be tested as a dietary supplement for AD dementia prevention.
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Affiliation(s)
- Sara Badesso
- Neurosciences Program, Center for Applied Medical Research (CIMA), University of Navarra, IdiSNA, 31008 Pamplona, Spain
| | - Paz Cartas-Cejudo
- Clinical Neuroproteomics Unit, Navarrabiomed, Hospital Universitario de Navarra (HUN), Universidad Pública de Navarra (UPNA), IdiSNA, 31008 Pamplona, Spain
| | - Maria Espelosin
- Neurosciences Program, Center for Applied Medical Research (CIMA), University of Navarra, IdiSNA, 31008 Pamplona, Spain
| | - Enrique Santamaria
- Clinical Neuroproteomics Unit, Navarrabiomed, Hospital Universitario de Navarra (HUN), Universidad Pública de Navarra (UPNA), IdiSNA, 31008 Pamplona, Spain
| | - Mar Cuadrado-Tejedor
- Neurosciences Program, Center for Applied Medical Research (CIMA), University of Navarra, IdiSNA, 31008 Pamplona, Spain
- Department of Pathology, Anatomy and Physiology, School of Medicine, University of Navarra, IdiSNA, 31008 Pamplona, Spain
- Correspondence: (M.C.-T.); (A.G.-O.)
| | - Ana Garcia-Osta
- Neurosciences Program, Center for Applied Medical Research (CIMA), University of Navarra, IdiSNA, 31008 Pamplona, Spain
- Correspondence: (M.C.-T.); (A.G.-O.)
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Feng Y, Zhu Y, Bao Z, Wang B, Liu T, Wang H, Yu T, Yang Y, Yu L. Construction of Glucose-6-Phosphate Dehydrogenase Overexpression Strain of Schizochytrium sp. H016 to Improve Docosahexaenoic Acid Production. Mar Drugs 2022; 21:md21010017. [PMID: 36662190 PMCID: PMC9866257 DOI: 10.3390/md21010017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/20/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
Docosahexaenoic acid (DHA) is an important omega-3 polyunsaturated fatty acid (PUFA) that plays a critical physiological role in human health. Schizochytrium sp. is considered an excellent strain for DHA production, but the synthesis of DHA is limited by the availability of nicotinamide adenine dinucleotide phosphate (NADPH). In this study, the endogenous glucose-6-phosphate dehydrogenase (G6PD) gene was overexpressed in Schizochytrium sp. H016. Results demonstrated that G6PD overexpression increased the availability of NADPH, which ultimately altered the fatty acid profile, resulting in a 1.91-fold increase in DHA yield (8.81 g/L) and increased carbon flux by shifting it from carbohydrate and protein synthesis to lipid production. Thus, G6PD played a vital role in primary metabolism. In addition, G6PD significantly increased DHA content and lipid accumulation by 31.47% and 40.29%, respectively. The fed-batch fermentation experiment results showed that DHA production reached 17.01 g/L in the overexpressing G6PD strain. These results elucidated the beneficial effects of NADPH on the synthesis of PUFA in Schizochytrium sp. H016, which may be a potential target for metabolic engineering. Furthermore, this study provides a promising regulatory strategy for the large-scale production of DHA in Schizochytrium sp.
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Affiliation(s)
- Yumei Feng
- Department of Biotechnology, Institute of Resource Biology and Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
- Key Laboratory of Molecular Biophysics, Ministry of Education, Wuhan 430074, China
- Hubei Engineering Research Center for both Edible and Medicinal Resources, Wuhan 430074, China
| | - Yuanmin Zhu
- Department of Biotechnology, Institute of Resource Biology and Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
- Key Laboratory of Molecular Biophysics, Ministry of Education, Wuhan 430074, China
- Hubei Engineering Research Center for both Edible and Medicinal Resources, Wuhan 430074, China
| | - Zhendong Bao
- Department of Biotechnology, Institute of Resource Biology and Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
- Key Laboratory of Molecular Biophysics, Ministry of Education, Wuhan 430074, China
- Hubei Engineering Research Center for both Edible and Medicinal Resources, Wuhan 430074, China
| | - Bohan Wang
- Department of Biotechnology, Institute of Resource Biology and Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
- Key Laboratory of Molecular Biophysics, Ministry of Education, Wuhan 430074, China
- Hubei Engineering Research Center for both Edible and Medicinal Resources, Wuhan 430074, China
| | - Tingting Liu
- Department of Biotechnology, Institute of Resource Biology and Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
- Key Laboratory of Molecular Biophysics, Ministry of Education, Wuhan 430074, China
- Hubei Engineering Research Center for both Edible and Medicinal Resources, Wuhan 430074, China
| | - Huihui Wang
- Department of Biotechnology, Institute of Resource Biology and Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
- Key Laboratory of Molecular Biophysics, Ministry of Education, Wuhan 430074, China
- Hubei Engineering Research Center for both Edible and Medicinal Resources, Wuhan 430074, China
| | - Tianyi Yu
- Department of Biotechnology, Institute of Resource Biology and Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
- Key Laboratory of Molecular Biophysics, Ministry of Education, Wuhan 430074, China
- Hubei Engineering Research Center for both Edible and Medicinal Resources, Wuhan 430074, China
| | - Ying Yang
- Department of Biotechnology, Institute of Resource Biology and Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
- Key Laboratory of Molecular Biophysics, Ministry of Education, Wuhan 430074, China
- Hubei Engineering Research Center for both Edible and Medicinal Resources, Wuhan 430074, China
| | - Longjiang Yu
- Department of Biotechnology, Institute of Resource Biology and Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
- Key Laboratory of Molecular Biophysics, Ministry of Education, Wuhan 430074, China
- Hubei Engineering Research Center for both Edible and Medicinal Resources, Wuhan 430074, China
- Correspondence: ; Tel.: +86-2-787-792-264
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Lamarre J, Cheema SK, Robertson GJ, Wilson DR. Foraging on anthropogenic food predicts problem-solving skills in a seabird. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 850:157732. [PMID: 35931163 DOI: 10.1016/j.scitotenv.2022.157732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 07/05/2022] [Accepted: 07/27/2022] [Indexed: 06/15/2023]
Abstract
Species and populations with greater cognitive performance are more successful at adapting to changing habitats. Accordingly, urban species and populations often outperform their rural counterparts on problem-solving tests. Paradoxically, urban foraging also might be detrimental to the development and integrity of animals' brains because anthropogenic foods often lack essential nutrients such as the long-chain omega-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), which are important for cognitive performance in mammals and possibly birds. We tested whether urbanization or consumption of EPA and DHA are associated with problem-solving abilities in ring-billed gulls, a seabird that historically exploited marine environments rich in omega-3 fatty acids but now also thrives in urban centres. Using incubating adults nesting across a range of rural to urban colonies with equal access to the ocean, we tested whether urban gulls preferentially consumed anthropogenic food while rural nesters relied on marine organisms. As we expected individual variation in foraging habits within nesting location, we characterized each captured gulls' diet using stable isotope and fatty acid analyses of their red blood cells. To test their problem-solving abilities, we presented the sampled birds with a horizontal rendition of the string-pull test, a foraging puzzle often used in animal cognitive studies. The isotopic and fatty acid profiles of urban nesters indicated a diet comprising primarily anthropogenic food, whereas the profiles of rural nesters indicated a high reliance on marine organisms. Despite the gulls' degree of access to urban foraging habitat not predicting solving success, birds with biochemical profiles reflecting anthropogenic food (less DHA and a higher carbon-13 ratio in their red blood cells) had a greater probability of solving the string-pull test. These results suggest that experience foraging on anthropogenic food is the main explanatory factor leading to successful problem-solving, while regular consumption of omega-3s during incubation appears inconsequential.
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Affiliation(s)
- Jessika Lamarre
- Cognitive and Behavioural Ecology Program, Memorial University of Newfoundland and Labrador, St. John's, Canada.
| | - Sukhinder Kaur Cheema
- Department of Biochemistry, Memorial University of Newfoundland and Labrador, St. John's, Canada
| | - Gregory J Robertson
- Wildlife Research Division, Environment and Climate Change Canada, Mount Pearl, Canada
| | - David R Wilson
- Department of Psychology, Memorial University of Newfoundland and Labrador, St. John's, Canada
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Alzheimer's Disease: Treatment Strategies and Their Limitations. Int J Mol Sci 2022; 23:ijms232213954. [PMID: 36430432 PMCID: PMC9697769 DOI: 10.3390/ijms232213954] [Citation(s) in RCA: 85] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/08/2022] [Accepted: 11/09/2022] [Indexed: 11/16/2022] Open
Abstract
Alzheimer's disease (AD) is the most frequent case of neurodegenerative disease and is becoming a major public health problem all over the world. Many therapeutic strategies have been explored for several decades; however, there is still no curative treatment, and the priority remains prevention. In this review, we present an update on the clinical and physiological phase of the AD spectrum, modifiable and non-modifiable risk factors for AD treatment with a focus on prevention strategies, then research models used in AD, followed by a discussion of treatment limitations. The prevention methods can significantly slow AD evolution and are currently the best strategy possible before the advanced stages of the disease. Indeed, current drug treatments have only symptomatic effects, and disease-modifying treatments are not yet available. Drug delivery to the central nervous system remains a complex process and represents a challenge for developing therapeutic and preventive strategies. Studies are underway to test new techniques to facilitate the bioavailability of molecules to the brain. After a deep study of the literature, we find the use of soft nanoparticles, in particular nanoliposomes and exosomes, as an innovative approach for preventive and therapeutic strategies in reducing the risk of AD and solving problems of brain bioavailability. Studies show the promising role of nanoliposomes and exosomes as smart drug delivery systems able to penetrate the blood-brain barrier and target brain tissues. Finally, the different drug administration techniques for neurological disorders are discussed. One of the promising therapeutic methods is the intranasal administration strategy which should be used for preclinical and clinical studies of neurodegenerative diseases.
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Xie Q, Zhang Y, Zhang J, Cui D, Zhou Q, Guo M. Promotion effect of the blend containing 2'-FL, OPN and DHA on oligodendrocyte progenitor cells myelination in vitro. Front Nutr 2022; 9:1054431. [DOI: 10.3389/fnut.2022.1054431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 10/17/2022] [Indexed: 11/11/2022] Open
Abstract
During early neurodevelopment of infant, myelination plays an essential role in brain connectivity and emergence of behavioral and cognitive function. Early life nutrition is an important factor to shape myelination and consequently cognitive appearance. To analyze the effects of additive nutrients, including 2'-fucosyllactose (2'-FL), osteopontin (OPN), docosahexaenoic acid (DHA), on neurocognitive function and brain structure, the current study evaluated the effects of different composition of breast milk nutrients on oligodendrocyte progenitor cells (OPCs) myelination with a neural primary cell model in vitro. The study showed that the three nutrients promoted the proliferation, maturation and differentiation of OPCs into mature oligodendrocytes (OLs) in each phage of the cell growth, and the effect of the nutrients blend is obviously stronger than that of the nutrient treatment alone, showing a synergistic effect in promotion of OPCs. The results of this experiment clarified the effects of 2′-FL OPN and DHA to promote myelination development of neural cells, and laid an experimental basis for further optimization of infant formula.
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Hussein M, Oberrauch S, Allobawi R, Cornthwaite-Duncan L, Lu J, Sharma R, Baker M, Li J, Rao GG, Velkov T. Untargeted Metabolomics to Evaluate Polymyxin B Toxicodynamics following Direct Intracerebroventricular Administration into the Rat Brain. Comput Struct Biotechnol J 2022; 20:6067-6077. [DOI: 10.1016/j.csbj.2022.10.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 11/09/2022] Open
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Tollefson S, Himes ML, Kozinski KM, Lopresti BJ, Mason NS, Hibbeln J, Muldoon MF, Narendran R. Imaging the Influence of Red Blood Cell Docosahexaenoic Acid Status on the Expression of the 18 kDa Translocator Protein in the Brain: A [ 11C]PBR28 Positron Emission Tomography Study in Young Healthy Men. BIOLOGICAL PSYCHIATRY. COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2022; 7:998-1006. [PMID: 34607054 DOI: 10.1016/j.bpsc.2021.09.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 09/09/2021] [Accepted: 09/18/2021] [Indexed: 01/11/2023]
Abstract
BACKGROUND Docosahexaenoic acid (DHA) shows anti-inflammatory/proresolution effects in the brain. Higher red blood cell (RBC) DHA in humans is associated with improved cognitive performance and a lower risk for suicide. Here, we hypothesized that binding to the 18 kDa translocator protein (TSPO), a proxy for microglia levels, will be higher in individuals with low DHA relative to high DHA levels. We also postulated that higher TSPO would predict poor cognitive performance and impaired stress resilience. METHODS RBC DHA screening was performed in 320 healthy males. [11C]PBR28 positron emission tomography was used to measure binding to TSPO in 38 and 32 males in the lowest and highest RBC DHA quartiles. Volumes of distribution expressed relative to total plasma ligand concentration (VT) was derived using an arterial input function-based kinetic analysis in 14 brain regions. RESULTS [11C]PBR28 VT was significantly lower (by 12% and 20% in C/T and C/C rs6971 genotypes) in males with low RBC DHA than in males with high RBC DHA. Regional VT was correlated positively and negatively with RBC DHA and serum triglycerides, respectively. No relationships between VT and cognitive performance or stress resilience measures were present. CONCLUSIONS Contrary to our hypothesis, we found lower TSPO binding in low-DHA than in high-DHA subjects. It is unclear as to whether low TSPO binding reflects differences in microglia levels and/or triglyceride metabolism in this study. Future studies with specific targets are necessary to confirm the effect of DHA on microglia. These results underscore the need to consider lipid parameters as a factor when interpreting TSPO positron emission tomography clinical findings.
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Affiliation(s)
- Savannah Tollefson
- Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Michael L Himes
- Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Katelyn M Kozinski
- Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Brian J Lopresti
- Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - N Scott Mason
- Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Joseph Hibbeln
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland
| | - Matthew F Muldoon
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Rajesh Narendran
- Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
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Short-Term Fish Oil Supplementation during Adolescence Supports Sex-Specific Impact on Adulthood Visuospatial Memory and Cognitive Flexibility. Nutrients 2022; 14:nu14173513. [PMID: 36079771 PMCID: PMC9459882 DOI: 10.3390/nu14173513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/22/2022] [Accepted: 08/23/2022] [Indexed: 11/16/2022] Open
Abstract
Numerous studies have supported benefits of omega-3 supplementation using Menhaden fish oil (FO) to promote brain maturation and plasticity during critical developmental periods. The goal of this study was to determine sex-specific immediate and delayed impact of adolescent omega-3 supplementation on visuospatial memory and cognitive flexibility. Sixty-four Wistar rats (n = 32 males and females) received daily FO or soybean oil (CSO) supplementation via oral gavage (0.3 mL/100 g body weight) from postnatal day 28–47. The Barnes Maze Test (BMT) was used to measure visuospatial memory and reversal learning trials (RL) determined cognitive flexibility. Juveniles underwent testing immediately after the gavage period, while adults began testing on postnatal day 90. Adult rats showed reduced working memory errors (WME) and gradual decrease in escape latencies compared to juveniles. Importantly, adult FO-supplemented females displayed fewer WME than males, while males’ performance benefited from CSO supplementation. Overall, sex- and supplementation-dependent effects supported a positive impact of FO in female rats only. Our findings support the potential for supplementation limited to the early adolescence period to influence adulthood spatial learning and cognitive flexibility in a sex-specific manner.
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Ghotbeddin Z, Khazaeel K, Tabandeh MR, Aliheydari M, Yaghoubi H. Effects of omega-3 fatty acid supplementation during chronic maternal hypoxia on behavioral disorders in male rat offspring: the role of Trk family and oxidative stress. Metab Brain Dis 2022; 37:1959-1967. [PMID: 35622266 DOI: 10.1007/s11011-022-01012-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 05/16/2022] [Indexed: 11/26/2022]
Abstract
Maternal hypoxia due to a lack of blood flow and insufficient oxygen supply in the brain leads to behavioral disorders in adult offspring. Fish oil includes docosahexaenoic acid (DHA), a significant component of membrane phospholipids of nerve cells, which improved cognition, and memory. Trk family receptors are activated by hypoxic induction factor (HIF), and are involved in the neurotrophin's protective effects at the cellular level. Here we studied the biochemical, and molecular mechanisms of the protective effect of fish oil during the chronic maternal hypoxia model on behavioral responses in male rat offspring. Pregnant female rats were randomly divided into 4 experimental groups: 1) ctr; Control rats were pregnant 2) Hyp; Pregnant female rats received hypoxia from 6 to 15th day of pregnancy, with 10% oxygen intensity, and 90% nitrogen; 3) FO; Pregnant female rats received fish oil (F8020 1 ml / day, for ten consecutive days Orally), and 4) FO / Hyp; Pregnant female rats received hypoxia plus fish oil in the same manner. Behavioral parameters were evaluated in 28-day-old male offspring. HIF-1α, TrkB, and P75 gene expression were measured in the offspring's brain. Maternal hypoxia impaired memory performance, and locomotor activity in offspring. Besides, Trk family gene expression, and oxidative stress indicators showed a significant increase in the offspring's brain exposed to maternal hypoxia compared to the control group. Overall, fish oil improved behavioral parameters by inhibiting oxidative stress, and the expression of Trk family receptors.
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Affiliation(s)
- Zohreh Ghotbeddin
- Department of Physiology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran.
- Stem Cell and Transgenic Technology Research Center, Shahid Chamran University of Ahvaz, Ahvaz, Iran.
| | - Kaveh Khazaeel
- Stem Cell and Transgenic Technology Research Center, Shahid Chamran University of Ahvaz, Ahvaz, Iran
- Department of Anatomy, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Mohammad-Reza Tabandeh
- Stem Cell and Transgenic Technology Research Center, Shahid Chamran University of Ahvaz, Ahvaz, Iran
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Maryam Aliheydari
- Department of Physiology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Hooshyar Yaghoubi
- Department of Physiology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
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Elliott MJ, Golombek SG. Evolution of Preterm Infant Nutrition from Breastfeeding to an Exclusive Human Milk Diet: A Review. Neoreviews 2022; 23:e558-e571. [PMID: 35909104 DOI: 10.1542/neo.23-8-e558] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The benefits of feeding human milk to human infants are well-established. Preterm infants, particularly those born with very low birthweight (VLBW; <1,500 g), are a uniquely vulnerable population at risk for serious, life-threatening complications as well as disruptions in normal growth and development that can affect their lives into adulthood. Feeding VLBW preterm infants an exclusive human milk diet (EHMD) from birth that consists of the mother's own milk or donor human milk plus a nutritional fortifier made exclusively from human milk has been associated with a reduction in morbidity and mortality and improved early growth and developmental metrics. Preliminary evidence suggests that the health benefits of adopting an EHMD (or avoiding cow milk products) early in life may last into adulthood. This review briefly summarizes the history of breastfeeding and describes the available evidence on the benefits of an EHMD among VLBW preterm infants as well as the importance of high-quality manufacturing standards for producing safe and effective human milk-based products.
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Affiliation(s)
- Melinda J Elliott
- Department of Neonatology, Pediatrix Medical Group of Maryland, Rockville, MD
| | - Sergio G Golombek
- Prolacta Bioscience, Duarte, CA.,Departments of Neonatology and Pediatrics, SUNY Downstate Health Sciences University, Brooklyn, NY
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Docosahexaenoic Acid as the Bidirectional Biomarker of Dietary and Metabolic Risk Patterns in Chinese Children: A Comparison with Plasma and Erythrocyte. Nutrients 2022; 14:nu14153095. [PMID: 35956271 PMCID: PMC9370652 DOI: 10.3390/nu14153095] [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: 07/05/2022] [Revised: 07/20/2022] [Accepted: 07/26/2022] [Indexed: 11/29/2022] Open
Abstract
Objective: The present study aims to measure docosahexaenoic acid (DHA) in both the plasma and erythrocyte of a child population and compares them with respect to their associations with dietary and metabolic risk patterns. Methods: A cross-sectional study was conducted, and a total of 435 children ages 5−7 years old were recruited. Diet information was collected using a food frequency questionnaire (FFQ). The physical indicators, blood pressure, and glycolipid metabolic indicators were determined. The plasma and erythrocyte DHA were analyzed using a gas chromatography mass spectrometer. Principal component analysis was used to identify dietary and metabolic risk patterns. Multivariate regression analyses were used to investigate the associations of DHA status with dietary and metabolic risk patterns. Results: A significant correlation between plasma and the erythrocyte DHA concentration was found (r = 0.232, p < 0.001). A diversified dietary pattern characterized that a high intake of diversified foods had a positive association with the plasma DHA level (β = 0.145, 95% CI: 0.045~0.244, p = 0.004). Children of obesity risk patterns with a high weight, pelvis breadth, BMI, upper arm circumference, and chest circumference had lower plasma DHA concentrations (OR = 0.873, 95% CI: 0.786~0.969, p = 0.011). Children with higher plasma and erythrocyte DHA concentrations were adhered to blood lipid risk patterns with high CHOL and LDL-C levels. The plasma DHA (OR = 1.271, 95% CI: 1.142~1.415, p < 0.001) had a stronger association with a blood lipid risk pattern than erythrocyte (OR = 1.043, 95% CI: 1.002~1.086, p = 0.040). Conclusions: The diversified dietary pattern had a higher plasma DHA concentration. Lower levels of plasma DHA were positively associated with obesity in children. DHA in plasma appears to be more strongly associated with blood lipid metabolism than erythrocyte. Plasma DHA may be a more sensitive bidirectional biomarker to evaluate the recently comprehensive diet intake and metabolic risk of children.
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50
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Liu J, Sahin C, Ahmad S, Magomedova L, Zhang M, Jia Z, Metherel AH, Orellana A, Poda G, Bazinet RP, Attisano L, Cummins CL, Peng H, Krause HM. The omega-3 hydroxy fatty acid 7( S)-HDHA is a high-affinity PPARα ligand that regulates brain neuronal morphology. Sci Signal 2022; 15:eabo1857. [PMID: 35857636 DOI: 10.1126/scisignal.abo1857] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
The nuclear receptor peroxisome proliferator-activated receptor alpha (PPARα) is emerging as an important target in the brain for the treatment or prevention of cognitive disorders. The identification of high-affinity ligands for brain PPARα may reveal the mechanisms underlying the synaptic effects of this receptor and facilitate drug development. Here, using an affinity purification-untargeted mass spectrometry (AP-UMS) approach, we identified an endogenous, selective PPARα ligand, 7(S)-hydroxy-docosahexaenoic acid [7(S)-HDHA]. Results from mass spectrometric detection of 7(S)-HDHA in mouse and rat brain tissues, time-resolved FRET analyses, and thermal shift assays collectively revealed that 7(S)-HDHA potently activated PPARα with an affinity greater than that of other ligands identified to date. We also found that 7(S)-HDHA activation of PPARα in cultured mouse cortical neurons stimulated neuronal growth and arborization, as well as the expression of genes associated with synaptic plasticity. The findings suggest that this DHA derivative supports and enhances neuronal synaptic capacity in the brain.
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Affiliation(s)
- Jiabao Liu
- Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, ON M5S 3E1, Canada
| | - Cigdem Sahin
- Department of Pharmaceutical Sciences, University of Toronto, Toronto, ON M5S 3M2, Canada
| | - Samar Ahmad
- Department of Biochemistry, University of Toronto, Toronto, ON M5S 3E2
| | - Lilia Magomedova
- Department of Pharmaceutical Sciences, University of Toronto, Toronto, ON M5S 3M2, Canada
| | - Minhao Zhang
- Department of Chemistry, York University, Toronto, ON M3J 1P3, Canada
| | - Zhengping Jia
- Neurosciences and Mental Health, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
- Department of Physiology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Adam H Metherel
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Arturo Orellana
- Department of Chemistry, York University, Toronto, ON M3J 1P3, Canada
| | - Gennady Poda
- Department of Pharmaceutical Sciences, University of Toronto, Toronto, ON M5S 3M2, Canada
- Drug Discovery, Ontario Institute for Cancer Research, Toronto, ON M5G 0A3, Canada
| | - Richard P Bazinet
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Liliana Attisano
- Department of Biochemistry, University of Toronto, Toronto, ON M5S 3E2
| | - Carolyn L Cummins
- Department of Pharmaceutical Sciences, University of Toronto, Toronto, ON M5S 3M2, Canada
| | - Hui Peng
- Department of Chemistry, University of Toronto, Toronto, ON M5S 3H6, Canada
- School of the Environment, University of Toronto, Toronto, ON M5S 3H6, Canada
| | - Henry M Krause
- Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, ON M5S 3E1, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
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