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Loukil I, Mutch DM, Plourde M. Genetic association between FADS and ELOVL polymorphisms and the circulating levels of EPA/DHA in humans: a scoping review. GENES & NUTRITION 2024; 19:11. [PMID: 38844860 PMCID: PMC11157910 DOI: 10.1186/s12263-024-00747-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 05/29/2024] [Indexed: 06/09/2024]
Abstract
BACKGROUND Docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) are two omega-3 fatty acids that can be synthesized out of their precursor alpha-linolenic acid (ALA). FADS and ELOVL genes encode the desaturase and elongase enzymes required for EPA and DHA synthesis from ALA; however, single nucleotide polymorphisms (SNPs) in FADS and ELOVL genes could modify the levels of EPA and DHA synthesized from ALA although there is no consensus in this area. This review aims to investigate EPA and DHA circulating levels in human blood and their association with FADS or ELOVL. METHODS PubMed, Cochrane, and Scopus databases were used to identify research articles. They were subsequently reviewed by two independent investigators. RESULTS Initially, 353 papers were identified. After removing duplicates and articles not meeting inclusion criteria, 98 full text papers were screened. Finally, this review included 40 studies investigating FADS and/or ELOVL polymorphisms. A total of 47 different SNPs in FADS genes were reported. FADS1 rs174537, rs174547, rs174556 and rs174561 were the most studied SNPs, with minor allele carriers having lower levels of EPA and DHA. SNPs in the FADS genes were in high linkage disequilibrium. SNPs in FADS were correlated with levels of EPA and DHA. No conclusion could be drawn with the ELOVL polymorphisms since the number of studies was too low. CONCLUSION Specific SNPs in FADS gene, such as rs174537, have strong associations with circulating levels of EPA and DHA. Continued investigation regarding the impact of genetic variants related to EPA and DHA synthesis is warranted.
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Affiliation(s)
- Insaf Loukil
- Research Center on Aging, Health, and Social Sciences Center, Department of Medicine, Sherbrooke University Geriatrics Institute, University of Sherbrooke, Sherbrooke, QC, J1G 1B1, Canada
- Department de Medicine, Faculty of Medicine and health sciences, University of Sherbrooke, Sherbrooke, QC, J1H 5N4, Canada
| | - David M Mutch
- Department of Human Health and Nutritional Sciences, Guelph, ON, N1G 2W1, Canada
| | - Mélanie Plourde
- Research Center on Aging, Health, and Social Sciences Center, Department of Medicine, Sherbrooke University Geriatrics Institute, University of Sherbrooke, Sherbrooke, QC, J1G 1B1, Canada.
- Department de Medicine, Faculty of Medicine and health sciences, University of Sherbrooke, Sherbrooke, QC, J1H 5N4, Canada.
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Teder T, Haeggström JZ, Airavaara M, Lõhelaid H. Cross-talk between bioactive lipid mediators and the unfolded protein response in ischemic stroke. Prostaglandins Other Lipid Mediat 2023; 168:106760. [PMID: 37331425 DOI: 10.1016/j.prostaglandins.2023.106760] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/27/2023] [Accepted: 06/15/2023] [Indexed: 06/20/2023]
Abstract
Ischemic cerebral stroke is a severe medical condition that affects about 15 million people every year and is the second leading cause of death and disability globally. Ischemic stroke results in neuronal cell death and neurological impairment. Current therapies may not adequately address the deleterious metabolic changes and may increase neurological damage. Oxygen and nutrient depletion along with the tissue damage result in endoplasmic reticulum (ER) stress, including the Unfolded Protein Response (UPR), and neuroinflammation in the affected area and cause cell death in the lesion core. The spatio-temporal production of lipid mediators, either pro-inflammatory or pro-resolving, decides the course and outcome of stroke. The modulation of the UPR as well as the resolution of inflammation promotes post-stroke cellular viability and neuroprotection. However, studies about the interplay between the UPR and bioactive lipid mediators remain elusive and this review gives insights about the crosstalk between lipid mediators and the UPR in ischemic stroke. Overall, the treatment of ischemic stroke is often inadequate due to lack of effective drugs, thus, this review will provide novel therapeutical strategies that could promote the functional recovery from ischemic stroke.
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Affiliation(s)
- Tarvi Teder
- Division of Physiological Chemistry II, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Jesper Z Haeggström
- Division of Physiological Chemistry II, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Mikko Airavaara
- Neuroscience Center, HiLIFE, University of Helsinki, Finland; Drug Research Program, Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Finland
| | - Helike Lõhelaid
- Neuroscience Center, HiLIFE, University of Helsinki, Finland; Drug Research Program, Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Finland.
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Selective ischemic-hemisphere targeting Ginkgolide B liposomes with improved solubility and therapeutic efficacy for cerebral ischemia-reperfusion injury. Asian J Pharm Sci 2023; 18:100783. [PMID: 36891470 PMCID: PMC9986716 DOI: 10.1016/j.ajps.2023.100783] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/23/2022] [Accepted: 01/24/2023] [Indexed: 02/13/2023] Open
Abstract
Cerebral ischemia-reperfusion injury (CI/RI) remains the main cause of disability and death in stroke patients due to lack of effective therapeutic strategies. One of the main issues related to CI/RI treatment is the presence of the blood-brain barrier (BBB), which affects the intracerebral delivery of drugs. Ginkgolide B (GB), a major bioactive component in commercially available products of Ginkgo biloba, has been shown significance in CI/RI treatment by regulating inflammatory pathways, oxidative damage, and metabolic disturbance, and seems to be a candidate for stroke recovery. However, limited by its poor hydrophilicity and lipophilicity, the development of GB preparations with good solubility, stability, and the ability to cross the BBB remains a challenge. Herein, we propose a combinatorial strategy by conjugating GB with highly lipophilic docosahexaenoic acid (DHA) to obtain a covalent complex GB-DHA, which can not only enhance the pharmacological effect of GB, but can also be encapsulated in liposomes stably. The amount of finally constructed Lipo@GB-DHA targeting to ischemic hemisphere was validated 2.2 times that of free solution in middle cerebral artery occlusion (MCAO) rats. Compared to the marketed ginkgolide injection, Lipo@GB-DHA significantly reduced infarct volume with better neurobehavioral recovery in MCAO rats after being intravenously administered both at 2 h and 6 h post-reperfusion. Low levels of reactive oxygen species (ROS) and high neuron survival in vitro was maintained via Lipo@GB-DHA treatment, while microglia in the ischemic brain were polarized from the pro-inflammatory M1 phenotype to the tissue-repairing M2 phenotype, which modulate neuroinflammatory and angiogenesis. In addition, Lipo@GB-DHA inhibited neuronal apoptosis via regulating the apoptotic pathway and maintained homeostasis by activating the autophagy pathway. Thus, transforming GB into a lipophilic complex and loading it into liposomes provides a promising nanomedicine strategy with excellent CI/RI therapeutic efficacy and industrialization prospects.
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Khalid W, Gill P, Arshad MS, Ali A, Ranjha MMAN, Mukhtar S, Afzal F, Maqbool Z. Functional behavior of DHA and EPA in the formation of babies brain at different stages of age, and protect from different brain-related diseases. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2022. [DOI: 10.1080/10942912.2022.2070642] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Waseem Khalid
- Department of Food Science, Government College University, Faisalabad, Pakistan
| | - Poonam Gill
- National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
| | | | - Anwar Ali
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, China
| | | | - Shanza Mukhtar
- Department of Nutrition and Dietetics, The University of Faisalabad, Pakistan
| | - Fareed Afzal
- Department of Food Science, Government College University, Faisalabad, Pakistan
| | - Zahra Maqbool
- Department of Food Science, Government College University, Faisalabad, Pakistan
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Functional Bakery Snacks for the Post-COVID-19 Market, Fortified with Omega-3 Fatty Acids. SUSTAINABILITY 2022. [DOI: 10.3390/su14084816] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Flaxseed is a natural ingredient with health benefits because of its rich contents of omega-3 fatty acids and fiber. In this study, whole-meal sliced bread, chocolate cookies, and breadsticks, which were enriched with flaxseed (Linum usitatissimu) were produced as a natural enrichment source in order to provide functional baked goods. The three innovative products were tested as sources of omega-3 fatty acids in terms of α-linolenic acid according to EU 1924/2006 as well as for their in vitro antithrombotic/anti-inflammatory effect. The results showed that omega-3 fatty acids had high concentrations (>0.6 g per 100 g of product) in all products even after the heating treatment with constant stability during the time of consumption. All the enriched products exerted higher, but in different grade, in vitro antithrombotic/anti-inflammatory activity compared to the conventional products. The products were evaluated positively by a panel of potential consumers without significant differences compared to conventional corresponding products. Enriched bakery products with omega-3 fatty acids may represent a novel opportunity for the development of functional foods that can be locally consumed, thereby contributing to public health prevention measures that the post-COVID-19 era demands.
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Investigation of long-term metabolic alteration after stroke in tMCAO (transient middle cerebral artery occlusion) mouse model using metabolomics approach. Neurosci Lett 2022; 774:136492. [DOI: 10.1016/j.neulet.2022.136492] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 01/18/2022] [Accepted: 01/25/2022] [Indexed: 12/23/2022]
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Huang NK, Biggs ML, Matthan NR, Djoussé L, Longstreth WT, Mukamal KJ, Siscovick DS, Lichtenstein AH. Serum Nonesterified Fatty Acids and Incident Stroke: The CHS. J Am Heart Assoc 2021; 10:e022725. [PMID: 34755529 PMCID: PMC8751910 DOI: 10.1161/jaha.121.022725] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Significant associations between total nonesterified fatty acid (NEFA) concentrations and incident stroke have been reported in some prospective cohort studies. We evaluated the associations between incident stroke and serum concentrations of nonesterified saturated, monounsaturated, polyunsaturated, and trans fatty acids. Methods and Results CHS (Cardiovascular Health Study) participants (N=2028) who were free of stroke at baseline (1996–1997) and had an archived fasting serum sample were included in this study. A total of 35 NEFAs were quantified using gas chromatography. Cox proportional hazards regression models were used to evaluate associations of 5 subclasses (nonesterified saturated, monounsaturated, omega (n)‐6 polyunsaturated, n‐3 polyunsaturated, and trans fatty acids) of NEFAs and individual NEFAs with incident stroke. Sensitivity analysis was conducted by excluding cases with hemorrhagic stroke (n=45). A total of 338 cases of incident stroke occurred during the median 10.5‐year follow‐up period. Total n‐3 (hazard ratio [HR], 0.77 [95% CI, 0.61–0.97]) and n‐6 (HR, 1.32 [95% CI, 1.01–1.73]) subclasses of NEFA were negatively and positively associated with incident stroke, respectively. Among individual NEFAs, dihomo‐γ‐linolenic acid (20:3n‐6) was associated with higher risk (HR, 1.29 [95% CI, 1.02–1.63]), whereas cis‐7‐hexadecenoic acid (16:1n‐9c) and arachidonic acid (20:4n‐6) were associated with a lower risk (HR, 0.67 [95% CI, 0.47–0.97]; HR, 0.81 [95% CI. 0.65–1.00], respectively) of incident stroke per standard deviation increment. After the exclusion of cases with hemorrhagic stroke, these associations did not remain significant. Conclusions A total of 2 NEFA subclasses and 3 individual NEFAs were associated with incident stroke. Of these, the NEFA n‐3 subclass and dihomo‐γ‐linolenic acid are diet derived and may be potential biomarkers for total stroke risk.
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Affiliation(s)
- Neil K Huang
- Cardiovascular Nutrition Laboratory Jean Mayer USDA Human Nutrition Research Center on AgingTufts University Boston MA
| | - Mary L Biggs
- Department of Biostatistics University of Washington Seattle WA
| | - Nirupa R Matthan
- Cardiovascular Nutrition Laboratory Jean Mayer USDA Human Nutrition Research Center on AgingTufts University Boston MA
| | - Luc Djoussé
- Division of Aging Brigham and Women's Hospital Harvard Medical School Boston MA
| | - W T Longstreth
- Departments of Neurology and Epidemiology University of Washington Seattle WA
| | - Kenneth J Mukamal
- Division of General Medicine Beth Israel Deaconess Medical Center Boston MA
| | | | - Alice H Lichtenstein
- Cardiovascular Nutrition Laboratory Jean Mayer USDA Human Nutrition Research Center on AgingTufts University Boston MA
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McClung JA, Levy L, Garcia V, Stec DE, Peterson SJ, Abraham NG. Heme-oxygenase and lipid mediators in obesity and associated cardiometabolic diseases: Therapeutic implications. Pharmacol Ther 2021; 231:107975. [PMID: 34499923 DOI: 10.1016/j.pharmthera.2021.107975] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 07/08/2021] [Accepted: 07/27/2021] [Indexed: 02/08/2023]
Abstract
Obesity-mediated metabolic syndrome remains the leading cause of death worldwide. Among many potential targets for pharmacological intervention, a promising strategy involves the heme oxygenase (HO) system, specifically its inducible form, HO-1. This review collects and updates much of the current knowledge relevant to pharmacology and clinical medicine concerning HO-1 in metabolic diseases and its effect on lipid metabolism. HO-1 has pleotropic effects that collectively reduce inflammation, while increasing vasodilation and insulin and leptin sensitivity. Recent reports indicate that HO-1 with its antioxidants via the effect of bilirubin increases formation of biologically active lipid metabolites such as epoxyeicosatrienoic acid (EET), omega-3 and other polyunsaturated fatty acids (PUFAs). Similarly, HO-1and bilirubin are potential therapeutic targets in the treatment of fat-induced liver diseases. HO-1-mediated upregulation of EET is capable not only of reversing endothelial dysfunction and hypertension, but also of reversing cardiac remodeling, a hallmark of the metabolic syndrome. This process involves browning of white fat tissue (i.e. formation of healthy adipocytes) and reduced lipotoxicity, which otherwise will be toxic to the heart. More importantly, this review examines the activity of EET in biological systems and a series of pathways that explain its mechanism of action and discusses how these might be exploited for potential therapeutic use. We also discuss the link between cardiac ectopic fat deposition and cardiac function in humans, which is similar to that described in obese mice and is regulated by HO-1-EET-PGC1α signaling, a potent negative regulator of the inflammatory adipokine NOV.
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Affiliation(s)
- John A McClung
- Department of Medicine, New York Medical College, Valhalla, NY 10595, United States of America
| | - Lior Levy
- Department of Medicine, New York Medical College, Valhalla, NY 10595, United States of America
| | - Victor Garcia
- Department of Pharmacology, New York Medical College, Valhalla, NY 10595, United States of America
| | - David E Stec
- Department of Physiology and Biophysics, Cardiorenal and Metabolic Diseases Research Center, University of Mississippi Medical Center, Jackson, MS 39216, United States of America.
| | - Stephen J Peterson
- Department of Medicine, Weill Cornell Medicine, New York, NY 10065, United States of America; New York Presbyterian Brooklyn Methodist Hospital, Brooklyn, NY 11215, United States of America
| | - Nader G Abraham
- Department of Medicine, New York Medical College, Valhalla, NY 10595, United States of America; Department of Pharmacology, New York Medical College, Valhalla, NY 10595, United States of America.
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9
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Kubo Y, Ikeya M, Sugiyama S, Takachu R, Tanaka M, Sugiura T, Kobori K, Kobori M. Association between Preoperative Long-Chain Polyunsaturated Fatty Acids and Oxidative Stress Immediately after Total Knee Arthroplasty: A Pilot Study. Nutrients 2021; 13:nu13062093. [PMID: 34205251 PMCID: PMC8235381 DOI: 10.3390/nu13062093] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/15/2021] [Accepted: 06/17/2021] [Indexed: 12/16/2022] Open
Abstract
Quadriceps muscle atrophy following total knee arthroplasty (TKA) can be caused by tourniquet-induced ischemia–reperfusion (IR) injury, which is often accompanied by oxidative stress and inflammatory responses. n-3 long-chain polyunsaturated fatty acids (LCPUFAs), such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), exert antioxidant and anti-inflammatory effects against IR injury, whereas n-6 LCPUFAs, particularly arachidonic acid (AA), exhibit pro-inflammatory effects and promote IR injury. This study aimed to examine whether preoperative serum EPA + DHA levels and the (EPA + DHA)/AA ratio are associated with oxidative stress immediately after TKA. Fourteen eligible patients with knee osteoarthritis scheduled for unilateral TKA participated in this study. The levels of serum EPA, DHA, and AA were measured immediately before surgery. Derivatives of reactive oxygen metabolites (d-ROMs) were used as biomarkers for oxidative stress. The preoperative serum EPA + DHA levels and the (EPA + DHA)/AA ratio were found to be significantly negatively correlated with the serum d-ROM levels at 96 h after surgery, and the rate of increase in serum d-ROM levels between baseline and 96 h postoperatively. This study suggested the preoperative serum EPA + DHA levels and the (EPA + DHA)/AA ratio can be negatively associated with oxidative stress immediately after TKA.
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Affiliation(s)
- Yusuke Kubo
- Department of Rehabilitation, Kobori Orthopedic Clinic, 548-2 Nearaichou, Kita-ku, Hamamatsu 433-8108, Japan; (S.S.); (R.T.); (T.S.); (K.K.); (M.K.)
- Correspondence:
| | - Masae Ikeya
- Department of Health and Nutrition Sciences, Tokoha University, 1230, Miyakodachou, Kita-ku, Hamamatsu 431-2102, Japan;
| | - Shuhei Sugiyama
- Department of Rehabilitation, Kobori Orthopedic Clinic, 548-2 Nearaichou, Kita-ku, Hamamatsu 433-8108, Japan; (S.S.); (R.T.); (T.S.); (K.K.); (M.K.)
| | - Rie Takachu
- Department of Rehabilitation, Kobori Orthopedic Clinic, 548-2 Nearaichou, Kita-ku, Hamamatsu 433-8108, Japan; (S.S.); (R.T.); (T.S.); (K.K.); (M.K.)
| | - Maki Tanaka
- Rehabilitation Sciences, Seirei Christopher University, 3453 Mikataharachou, Kita-ku, Hamamatsu 433-8558, Japan;
| | - Takeshi Sugiura
- Department of Rehabilitation, Kobori Orthopedic Clinic, 548-2 Nearaichou, Kita-ku, Hamamatsu 433-8108, Japan; (S.S.); (R.T.); (T.S.); (K.K.); (M.K.)
| | - Kaori Kobori
- Department of Rehabilitation, Kobori Orthopedic Clinic, 548-2 Nearaichou, Kita-ku, Hamamatsu 433-8108, Japan; (S.S.); (R.T.); (T.S.); (K.K.); (M.K.)
| | - Makoto Kobori
- Department of Rehabilitation, Kobori Orthopedic Clinic, 548-2 Nearaichou, Kita-ku, Hamamatsu 433-8108, Japan; (S.S.); (R.T.); (T.S.); (K.K.); (M.K.)
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Supplemental N-3 Polyunsaturated Fatty Acids Limit A1-Specific Astrocyte Polarization via Attenuating Mitochondrial Dysfunction in Ischemic Stroke in Mice. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:5524705. [PMID: 34211624 PMCID: PMC8211499 DOI: 10.1155/2021/5524705] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 04/17/2021] [Accepted: 05/12/2021] [Indexed: 11/25/2022]
Abstract
Ischemic stroke is one of the leading causes of death and disability for adults, which lacks effective treatments. Dietary intake of n-3 polyunsaturated fatty acids (n-3 PUFAs) exerts beneficial effects on ischemic stroke by attenuating neuron death and inflammation induced by microglial activation. However, the impact and mechanism of n-3 PUFAs on astrocyte function during stroke have not yet been well investigated. Our current study found that dietary n-3 PUFAs decreased the infarction volume and improved the neurofunction in the mice model of transient middle cerebral artery occlusion (tMCAO). Notably, n-3 PUFAs reduced the stroke-induced A1 astrocyte polarization both in vivo and in vitro. We have demonstrated that exogenous n-3 PUFAs attenuated mitochondrial oxidative stress and increased the mitophagy of astrocytes in the condition of hypoxia. Furthermore, we provided evidence that treatment with the mitochondrial-derived antioxidant, mito-TEMPO, abrogated the n-3 PUFA-mediated regulation of A1 astrocyte polarization upon hypoxia treatment. Together, this study highlighted that n-3 PUFAs prevent mitochondrial dysfunction, thereby limiting A1-specific astrocyte polarization and subsequently improving the neurological outcomes of mice with ischemic stroke.
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Nutritional aspects, flavour profile and health benefits of crab meat based novel food products and valorisation of processing waste to wealth: A review. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.03.059] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Vogel DDS, Ortiz-Villatoro NN, Araújo NS, Marques MJG, Aimbire F, Scorza FA, Scorza CA, Albertini R. Transcranial low-level laser therapy in an in vivo model of stroke: Relevance to the brain infarct, microglia activation and neuroinflammation. JOURNAL OF BIOPHOTONICS 2021; 14:e202000500. [PMID: 33580734 DOI: 10.1002/jbio.202000500] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 02/04/2021] [Accepted: 02/06/2021] [Indexed: 06/12/2023]
Abstract
Stroke is the main cause of death and functional disability. The available therapy affects only 5% of patients, and new therapeutic approaches have been constantly tested. Transcranial photobiomodulation (PBM) is promising for its neuroprotective effect on brain injuries. Thus, the present study investigated the PBM effects in an in vivo model of ischemic stroke induced by photothrombosis (PT). Five different groups of Wistar rats were submitted or not to a daily dose of fish oil or/and laser sessions for 2 months. The ischemia volume was evaluated by stereology; GFAP, Iba and NeuN by immunohistochemistry; TNF-α, IL-1β, IL-6, IL-10 and TGF-β by ELISA assay. PBM influenced both the lesion volume and the GFAP. Furthermore, PBM and Ω-3 or both reduced Iba RNAm. PBM reduced TNF-α, IL-1β, IL-6, brain damage, neuroinflammation and microglial activation, and it increased astroglial activity in peri-lesioned region after stroke.
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Affiliation(s)
- Débora D S Vogel
- Disciplina de Neurociência, Departamento de Neurologia e Neurocirurgia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Nancy N Ortiz-Villatoro
- Disciplina de Neurociência, Departamento de Neurologia e Neurocirurgia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Noemi S Araújo
- Disciplina de Neurociência, Departamento de Neurologia e Neurocirurgia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Márcia Jonathas Guimarães Marques
- Disciplina de Neurociência, Departamento de Neurologia e Neurocirurgia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Flavio Aimbire
- Programa de Pós-graduação em Medicina Translacional, Departamento de Ciência e Tecnologia, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Fúlvio A Scorza
- Disciplina de Neurociência, Departamento de Neurologia e Neurocirurgia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Carla A Scorza
- Disciplina de Neurociência, Departamento de Neurologia e Neurocirurgia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Regiane Albertini
- Programa de Pós-graduação em Ciência do Movimento Humano e Reabilitação, Departamento de Ciência e Tecnologia, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
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A high-fat diet rich in corn oil exaggerates the infarct size and memory impairment in rats with cerebral ischemia and is associated with suppressing osteopontin and Akt, and activating GS3Kβ, iNOS, and NF-κB. J Physiol Biochem 2020; 76:393-406. [PMID: 32488539 DOI: 10.1007/s13105-020-00744-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 05/01/2020] [Indexed: 01/04/2023]
Abstract
The increase in osteopontin (OPN) levels after stroke induces neural protection by activating Akt signaling and inhibiting GS3Kβ, iNOS, and NF-κB. This study investigated the effect of a high-fat diet rich in corn oil (CO-HFD) on infarct size and memory function in rats after induction of cerebral ischemia in rats and investigated its effect on the expression of OPN/Akt/iNOS/NF-κB signaling pathways. Rats were initially fed a standard diet (STD, 3.82 kcal/g; 9.4%, from fat) or a CO-HFD (5.4 kcal/g, 40% from fat) for 12 weeks. Then, both groups were further subdivided into either sham group or group exposed to cerebral ischemia by the middle cerebral artery occlusion (MCAO) protocol. Compared with sham-operated rats fed STD diet, neurological scores and both short- and long-term memory functions were significantly impaired in sham-operated CO-HFD-fed rats. In addition, brains collected from CO-HFD-fed rats showed lower protein levels of OPN, p-Akt (Thr308), p-GS3Kβ (Ser9), and Bcl-2 and had higher protein levels of iNOS, cleaved caspase-3, nuclear NF-κB p65, and cytoplasmic cytochrome C. However, once exposed to MCAO surgery, similar but more profound alterations of all these biochemical parameters with more severe impairment in short- and long-term memory functions and larger infarct size were noticed in the brains of CO-HFD-fed rats as compared with STD-fed rats exposed to MCAO. In conclusion, chronic consumption of CO-HFD induces memory impairments and worsens memory function recovery and infarct size after cerebral ischemia in rats by reducing levels of OPN, inhibiting the activation of Akt and activating iNOS and NF-κB.
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Kloska A, Malinowska M, Gabig-Cimińska M, Jakóbkiewicz-Banecka J. Lipids and Lipid Mediators Associated with the Risk and Pathology of Ischemic Stroke. Int J Mol Sci 2020; 21:ijms21103618. [PMID: 32443889 PMCID: PMC7279232 DOI: 10.3390/ijms21103618] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/18/2020] [Accepted: 05/19/2020] [Indexed: 12/19/2022] Open
Abstract
Stroke is a severe neurological disorder in humans that results from an interruption of the blood supply to the brain. Worldwide, stoke affects over 100 million people each year and is the second largest contributor to disability. Dyslipidemia is a modifiable risk factor for stroke that is associated with an increased risk of the disease. Traditional and non-traditional lipid measures are proposed as biomarkers for the better detection of subclinical disease. In the central nervous system, lipids and lipid mediators are essential to sustain the normal brain tissue structure and function. Pathways leading to post-stroke brain deterioration include the metabolism of polyunsaturated fatty acids. A variety of lipid mediators are generated from fatty acids and these molecules may have either neuroprotective or neurodegenerative effects on the post-stroke brain tissue; therefore, they largely contribute to the outcome and recovery from stroke. In this review, we provide an overview of serum lipids associated with the risk of ischemic stroke. We also discuss the role of lipid mediators, with particular emphasis on eicosanoids, in the pathology of ischemic stroke. Finally, we summarize the latest research on potential targets in lipid metabolic pathways for ischemic stroke treatment and on the development of new stroke risk biomarkers for use in clinical practice.
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Affiliation(s)
- Anna Kloska
- Department of Medical Biology and Genetics, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308 Gdańsk, Poland; (A.K.); (M.M.)
| | - Marcelina Malinowska
- Department of Medical Biology and Genetics, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308 Gdańsk, Poland; (A.K.); (M.M.)
| | - Magdalena Gabig-Cimińska
- Department of Medical Biology and Genetics, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308 Gdańsk, Poland; (A.K.); (M.M.)
- Laboratory of Molecular Biology, Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Kładki 24, 80-822 Gdańsk, Poland
- Correspondence: (M.G.-C.); (J.J.-B.); Tel.: +48-585-236-046 (M.G.-C.); +48-585-236-043 (J.J.-B.)
| | - Joanna Jakóbkiewicz-Banecka
- Department of Medical Biology and Genetics, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308 Gdańsk, Poland; (A.K.); (M.M.)
- Correspondence: (M.G.-C.); (J.J.-B.); Tel.: +48-585-236-046 (M.G.-C.); +48-585-236-043 (J.J.-B.)
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Kubo Y, Sugiyama S, Takachu R, Tanaka M, Ikeya M, Sugiura T, Kobori K, Kobori M. Association between serum n-3 polyunsaturated fatty acids and quadriceps weakness immediately after total knee arthroplasty. PLoS One 2020; 15:e0228460. [PMID: 31995616 PMCID: PMC6988925 DOI: 10.1371/journal.pone.0228460] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 01/15/2020] [Indexed: 12/12/2022] Open
Abstract
Objectives Quadriceps weakness (QW) following total knee arthroplasty (TKA) can be elicited by tourniquet-induced ischaemia reperfusion (IR), which causes a vigorous acute inflammatory response. Dietary n-3 polyunsaturated fatty acids (PUFA) are important determinants of organ and tissue protection from IR. This study aimed to examine the association between serum n-3 PUFA levels and QW, knee pain, and knee swelling immediately after TKA. Methods A total of 32 patients who underwent unilateral TKA participated in this prospective study. On Postoperative Day 1, serum n-3 PUFA (eicosapentaenoic acid and docosahexaenoic acid) levels were measured. Preoperatively and on Postoperative Day 4, quadriceps strength, knee pain during quadriceps testing, and knee circumference were measured. QW, knee pain, and knee swelling were defined as changes in quadriceps strength, knee pain during quadriceps testing, and knee circumference, respectively, between the preoperative to the postoperative measurement. Results Mean serum n-3 PUFA levels were 192 μg/mL (standard deviation, 58 μg/mL) on Postoperative Day 1. All measured variables changed significantly between the preoperative and the postoperative measurement time-points (P <0.01). Quadriceps strength decreased from 1.2 to 0.4 Nm/kg (QW = −65%). Knee pain during quadriceps testing increased from 1.1 to 6.0 (knee pain = 4.0). Knee circumference increased from 40 to 44 cm (knee swelling = 10%). Multivariate analysis showed that lower serum n-3 PUFA levels were independently associated with an increased QW after adjusting for the Kellgren-Lawrence grade and the tourniquet time (P = 0.04). No significant relationship was observed between serum n-3 PUFA levels and knee pain or knee swelling. Conclusion Higher serum n-3 PUFA are independently associated with a lower increase in the QW immediately after TKA.
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Affiliation(s)
- Yusuke Kubo
- Department of Rehabilitation, Kobori Orthopaedic Clinic, Nearaichou, Kita-ku, Hamamatsu City, Shizuoka, Japan
- * E-mail:
| | - Shuhei Sugiyama
- Department of Rehabilitation, Kobori Orthopaedic Clinic, Nearaichou, Kita-ku, Hamamatsu City, Shizuoka, Japan
| | - Rie Takachu
- Department of Rehabilitation, Kobori Orthopaedic Clinic, Nearaichou, Kita-ku, Hamamatsu City, Shizuoka, Japan
| | - Maki Tanaka
- Department of Rehabilitation Sciences, Seirei Christopher University, Mikataharachou, Kita-ku, Hamamatsu City, Shizuoka, Japan
| | - Masae Ikeya
- Department of Health and Nutrition Sciences, Tokoha University, Miyakodachou, Kita-ku, Hamamatsu City, Shizuoka, Japan
| | - Takeshi Sugiura
- Department of Rehabilitation, Kobori Orthopaedic Clinic, Nearaichou, Kita-ku, Hamamatsu City, Shizuoka, Japan
| | - Kaori Kobori
- Department of Rehabilitation, Kobori Orthopaedic Clinic, Nearaichou, Kita-ku, Hamamatsu City, Shizuoka, Japan
| | - Makoto Kobori
- Department of Rehabilitation, Kobori Orthopaedic Clinic, Nearaichou, Kita-ku, Hamamatsu City, Shizuoka, Japan
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16
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Zhang J, Tao N, Zhao Y, Wang X, Wang M. Comparison of the Fatty Acid and Triglyceride Profiles of Big Eye Tuna ( Thunnus obesus), Atlantic salmon ( Salmo salar) and Bighead Carp ( Aristichthysnobilis) Heads. Molecules 2019; 24:molecules24213983. [PMID: 31689924 PMCID: PMC6864674 DOI: 10.3390/molecules24213983] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/02/2019] [Accepted: 11/02/2019] [Indexed: 11/24/2022] Open
Abstract
Big eye tuna (Thunnus obesus), Atlantic salmon (Salmo salar) and bighead carp (Aristichthys nobilis) are three representative marine and fresh water fishes. In this study, the content of total lipids (TL), triglyceride (TG) fraction, and the fatty acid profiles in the corresponding fish heads were analyzed. Meanwhile, their complicated TG molecular species were further characterized. The results showed that TG was the major lipid in these three fish heads (60.58–86.69%). Compared with other two fish heads, big eye tuna head was the most abundant in polyunsaturated fatty acids, among which eicosapentaenoic acid (EPA) + docosahexaenoic acid (DHA) accounted for 64.29% and 32.77% in the TL and TG fraction, respectively. It is also worth noting that EPA+DHA/total fatty acid (TFA) value of TL and TG fraction from bighead carp head showed no significant difference with Atlantic salmon head, a typical marine fish. There were 146 TG molecules detected in big eye tuna head, 90 in Atlantic salmon and 87 in bighead carp heads. DHA or EPA accounted for 56.12%, 22.88%, and 5.46% of the total TG molecules in these three fish heads, respectively. According to principal component analysis, orthogonal projection to latent structures-discriminant analysis and the constructed heat map, the three samples could be completely differentiated based on their TG molecule fingerprints. This study is the first to compare marine and fresh water fish from the perspective of their heads’ fatty acid and TG molecule profiles.
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Affiliation(s)
- Jing Zhang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
| | - Ningping Tao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
| | - Yueliang Zhao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
| | - Xichang Wang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
| | - Mingfu Wang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
- Food and Nutritional Science Program, School of Biological Sciences, The University of Hong Kong, Hong Kong 999077, China.
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17
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Nguyen QV, Malau-Aduli BS, Cavalieri J, Malau-Aduli AEO, Nichols PD. Enhancing Omega-3 Long-Chain Polyunsaturated Fatty Acid Content of Dairy-Derived Foods for Human Consumption. Nutrients 2019; 11:E743. [PMID: 30934976 PMCID: PMC6520953 DOI: 10.3390/nu11040743] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Revised: 03/27/2019] [Accepted: 03/27/2019] [Indexed: 01/15/2023] Open
Abstract
Omega-3 polyunsaturated fatty acids (n-3 PUFA) are termed essential fatty acids because they cannot be synthesized de novo by humans due to the lack of delta-12 and delta-15 desaturase enzymes and must therefore be acquired from the diet. n-3 PUFA include α-linolenic acid (ALA, 18:3n-3), eicosapentaenoic (EPA, 20:5n-3), docosahexaenoic (DHA, 22:6n-3), and the less recognized docosapentaenoic acid (DPA, 22:5n-3). The three long-chain (≥C20) n-3 PUFA (n-3 LC-PUFA), EPA, DHA, and DPA play an important role in human health by reducing the risk of chronic diseases. Up to the present time, seafood, and in particular, fish oil-derived products, have been the richest sources of n-3 LC-PUFA. The human diet generally contains insufficient amounts of these essential FA due largely to the low consumption of seafood. This issue provides opportunities to enrich the content of n-3 PUFA in other common food groups. Milk and milk products have traditionally been a major component of human diets, but are also among some of the poorest sources of n-3 PUFA. Consideration of the high consumption of milk and its processed products worldwide and the human health benefits has led to a large number of studies targeting the enhancement of n-3 PUFA content in dairy products. The main objective of this review was to evaluate the major strategies that have been employed to enhance n-3 PUFA content in dairy products and to unravel potential knowledge gaps for further research on this topic. Nutritional manipulation to date has been the main approach for altering milk fatty acids (FA) in ruminants. However, the main challenge is ruminal biohydrogenation in which dietary PUFA are hydrogenated into monounsaturated FA and/or ultimately, saturated FA, due to rumen microbial activities. The inclusion of oil seed and vegetable oil in dairy animal diets significantly elevates ALA content, while the addition of rumen-protected marine-derived supplements is the most effective way to increase the concentration of EPA, DHA, and DPA in dairy products. In our view, the mechanisms of n-3 LC-PUFA biosynthesis pathway from ALA and the biohydrogenation of individual n-3 LC-PUFA in ruminants need to be better elucidated. Identified knowledge gaps regarding the activities of candidate genes regulating the concentrations of n-3 PUFA and the responses of ruminants to specific lipid supplementation regimes are also critical to a greater understanding of nutrition-genetics interactions driving lipid metabolism.
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Affiliation(s)
- Quang V Nguyen
- Animal Genetics and Nutrition, Veterinary Sciences Discipline, College of Public Health, Medical and Veterinary Sciences, Division of Tropical Health and Medicine, James Cook University, Townsville QLD 4811, Australia.
- College of Economics and Techniques, Thai Nguyen University, Thai Nguyen 252166, Vietnam.
| | - Bunmi S Malau-Aduli
- College of Medicine and Dentistry, Division of Tropical Health and Medicine, James Cook University, Townsville, QLD 4811, Australia.
| | - John Cavalieri
- Animal Genetics and Nutrition, Veterinary Sciences Discipline, College of Public Health, Medical and Veterinary Sciences, Division of Tropical Health and Medicine, James Cook University, Townsville QLD 4811, Australia.
| | - Aduli E O Malau-Aduli
- Animal Genetics and Nutrition, Veterinary Sciences Discipline, College of Public Health, Medical and Veterinary Sciences, Division of Tropical Health and Medicine, James Cook University, Townsville QLD 4811, Australia.
- Asia Pacific Nutrigenomics and Nutrigenetics Organisation (APNNO), CSIRO Food & Nutrition, Adelaide SA 5000, Australia.
| | - Peter D Nichols
- Animal Genetics and Nutrition, Veterinary Sciences Discipline, College of Public Health, Medical and Veterinary Sciences, Division of Tropical Health and Medicine, James Cook University, Townsville QLD 4811, Australia.
- CSIRO Oceans & Atmosphere, PO Box 1538, Hobart TAS 7001, Australia.
- Nutrition Society of Australia (NSA), Level 3, 33-35 Atchison Street, St Leonards, NSW 2065, Australia.
- Section, American Oil Chemists Society (AAOCS), 2710 S. Boulder, Urbana, IL 61802-6996, USA.
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18
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Hussain G, Anwar H, Rasul A, Imran A, Qasim M, Zafar S, Imran M, Kamran SKS, Aziz N, Razzaq A, Ahmad W, Shabbir A, Iqbal J, Baig SM, Ali M, Gonzalez de Aguilar JL, Sun T, Muhammad A, Muhammad Umair A. Lipids as biomarkers of brain disorders. Crit Rev Food Sci Nutr 2019; 60:351-374. [DOI: 10.1080/10408398.2018.1529653] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Ghulam Hussain
- Department of Physiology Faculty of Life Sciences, Government College University, Faisalabad, Pakistan
| | - Haseeb Anwar
- Department of Physiology Faculty of Life Sciences, Government College University, Faisalabad, Pakistan
| | - Azhar Rasul
- Department of Zoology Faculty of Life Sciences, Government College University, Faisalabad, Pakistan
| | - Ali Imran
- Institute of Home and Food Sciences, Government College University, Faisalabad, Pakistan
| | - Muhammad Qasim
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, Pakistan
| | - Shamaila Zafar
- Department of Physiology Faculty of Life Sciences, Government College University, Faisalabad, Pakistan
| | - Muhammad Imran
- University Institute of Diet and Nutritional Sciences, Faculty of Allied Health Sciences, The University of Lahore, Lahore, Pakistan
| | - Syed Kashif Shahid Kamran
- Department of Physiology Faculty of Life Sciences, Government College University, Faisalabad, Pakistan
| | - Nimra Aziz
- Department of Physiology Faculty of Life Sciences, Government College University, Faisalabad, Pakistan
| | - Aroona Razzaq
- Department of Physiology Faculty of Life Sciences, Government College University, Faisalabad, Pakistan
| | - Waseem Ahmad
- Department of Physiology Faculty of Life Sciences, Government College University, Faisalabad, Pakistan
| | - Asghar Shabbir
- Department of Biosciences, COMSATS Institute of Information Technology, Islamabad, Pakistan
| | - Javed Iqbal
- Department of Neurology, Allied Hospital, Faisalabad, Pakistan
| | - Shahid Mahmood Baig
- Human Molecular Genetics Laboratory, Health Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), PIEAS, Faisalabad, Pakistan
| | - Muhammad Ali
- Department of Zoology Faculty of Life Sciences, Government College University, Faisalabad, Pakistan
| | - Jose-Luis Gonzalez de Aguilar
- Université de Strasbourg, Strasbourg, France
- Mécanismes Centraux et Péripheriques de la Neurodégénérescence, INSERM, Strasbourg, France
| | - Tao Sun
- Center for Precision Medicine, School of Medicine and School of Biomedical Sciences, Huaqiao University, Xiamen, Fujian Province, China
| | - Atif Muhammad
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, Saudi Arabia
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Abo-EL-Sooud K, Ahmed FA, El-Toumy SA, Yaecob HS, ELTantawy HM. Phytochemical, anti-inflammatory, anti-ulcerogenic and hypoglycemic activities of Periploca angustifolia L extracts in rats. CLINICAL PHYTOSCIENCE 2018. [DOI: 10.1186/s40816-018-0087-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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20
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Sun GY, Simonyi A, Fritsche KL, Chuang DY, Hannink M, Gu Z, Greenlief CM, Yao JK, Lee JC, Beversdorf DQ. Docosahexaenoic acid (DHA): An essential nutrient and a nutraceutical for brain health and diseases. Prostaglandins Leukot Essent Fatty Acids 2018; 136:3-13. [PMID: 28314621 PMCID: PMC9087135 DOI: 10.1016/j.plefa.2017.03.006] [Citation(s) in RCA: 143] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Revised: 03/06/2017] [Accepted: 03/09/2017] [Indexed: 01/01/2023]
Abstract
Docosahexaenoic acid (DHA), a polyunsaturated fatty acid (PUFA) enriched in phospholipids in the brain and retina, is known to play multi-functional roles in brain health and diseases. While arachidonic acid (AA) is released from membrane phospholipids by cytosolic phospholipase A2 (cPLA2), DHA is linked to action of the Ca2+-independent iPLA2. DHA undergoes enzymatic conversion by 15-lipoxygenase (Alox 15) to form oxylipins including resolvins and neuroprotectins, which are powerful lipid mediators. DHA can also undergo non-enzymatic conversion by reacting with oxygen free radicals (ROS), which cause the production of 4-hydoxyhexenal (4-HHE), an aldehyde derivative which can form adducts with DNA, proteins and lipids. In studies with both animal models and humans, there is evidence that inadequate intake of maternal n-3 PUFA may lead to aberrant development and function of the central nervous system (CNS). What is less certain is whether consumption of n-3 PUFA is important in maintaining brain health throughout one's life span. Evidence mostly from non-human studies suggests that DHA intake above normal nutritional requirements might modify the risk/course of a number of diseases of the brain. This concept has fueled much of the present interest in DHA research, in particular, in attempts to delineate mechanisms whereby DHA may serve as a nutraceutical and confer neuroprotective effects. Current studies have revealed ability for the oxylipins to regulation of cell redox homeostasis through the Nuclear factor (erythroid-derived 2)-like 2/Antioxidant response element (Nrf2/ARE) anti-oxidant pathway, and impact signaling pathways associated with neurotransmitters, and modulation of neuronal functions involving brain-derived neurotropic factor (BDNF). This review is aimed at describing recent studies elaborating these mechanisms with special regard to aging and Alzheimer's disease, autism spectrum disorder, schizophrenia, traumatic brain injury, and stroke.
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Affiliation(s)
- Grace Y Sun
- Biochemistry Department, University of Missouri, Columbia, MO, United States
| | - Agnes Simonyi
- Biochemistry Department, University of Missouri, Columbia, MO, United States
| | - Kevin L Fritsche
- Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States
| | - Dennis Y Chuang
- Department of Neurology, University Hospitals Cleveland Medical Center and Case Western Reserve University, Cleveland, OH, United States
| | - Mark Hannink
- Biochemistry Department, University of Missouri, Columbia, MO, United States
| | - Zezong Gu
- Department of Pathology and Anatomical Sciences, University of Missouri School of Medicine, Columbia, MO, United States
| | | | - Jeffrey K Yao
- Medical Research Service, VA Pittsburgh Healthcare System, and Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | - James C Lee
- Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, United States
| | - David Q Beversdorf
- Department of Radiology, Neurology, and Psychological Sciences, and the Thompson Center, William and Nancy Thompson Endowed Chair in Radiology, University of Missouri School of Medicine, Columbia, MO, United States
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Sandhu KV, Sherwin E, Schellekens H, Stanton C, Dinan TG, Cryan JF. Feeding the microbiota-gut-brain axis: diet, microbiome, and neuropsychiatry. Transl Res 2017; 179:223-244. [PMID: 27832936 DOI: 10.1016/j.trsl.2016.10.002] [Citation(s) in RCA: 297] [Impact Index Per Article: 42.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 09/08/2016] [Accepted: 10/06/2016] [Indexed: 02/07/2023]
Abstract
The microbial population residing within the human gut represents one of the most densely populated microbial niche in the human body with growing evidence showing it playing a key role in the regulation of behavior and brain function. The bidirectional communication between the gut microbiota and the brain, the microbiota-gut-brain axis, occurs through various pathways including the vagus nerve, the immune system, neuroendocrine pathways, and bacteria-derived metabolites. This axis has been shown to influence neurotransmission and the behavior that are often associated with neuropsychiatric conditions. Therefore, research targeting the modulation of this gut microbiota as a novel therapy for the treatment of various neuropsychiatric conditions is gaining interest. Numerous factors have been highlighted to influence gut microbiota composition, including genetics, health status, mode of birth, and environment. However, it is diet composition and nutritional status that has repeatedly been shown to be one of the most critical modifiable factors regulating the gut microbiota at different time points across the lifespan and under various health conditions. Thus the microbiota is poised to play a key role in nutritional interventions for maintaining brain health.
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Affiliation(s)
- Kiran V Sandhu
- APC Microbiome institute, University College Cork, Cork, Ireland
| | - Eoin Sherwin
- APC Microbiome institute, University College Cork, Cork, Ireland
| | - Harriët Schellekens
- APC Microbiome institute, University College Cork, Cork, Ireland; Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
| | - Catherine Stanton
- APC Microbiome institute, University College Cork, Cork, Ireland; Department of Psychiatry & Neurobehavioural Science, University College Cork, Cork, Ireland; Teagasc Moorepark Food Research Centre, Fermoy, Co, Cork, Ireland
| | - Timothy G Dinan
- APC Microbiome institute, University College Cork, Cork, Ireland; Department of Psychiatry & Neurobehavioural Science, University College Cork, Cork, Ireland
| | - John F Cryan
- APC Microbiome institute, University College Cork, Cork, Ireland; Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland.
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de Oliveira MR, Peres A, Ferreira GC. Pinocembrin Attenuates Mitochondrial Dysfunction in Human Neuroblastoma SH-SY5Y Cells Exposed to Methylglyoxal: Role for the Erk1/2-Nrf2 Signaling Pathway. Neurochem Res 2016; 42:1057-1072. [PMID: 28000163 DOI: 10.1007/s11064-016-2140-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 10/31/2016] [Accepted: 12/08/2016] [Indexed: 01/03/2023]
Abstract
Pinocembrin (PB; 5,7-dihydroxyflavanone) is found in propolis and exhibits antioxidant activity in several experimental models. The antioxidant capacity of PB is associated with the activation of the nuclear factor erythroid 2-related factor 2/antioxidant response element (Nrf2/ARE) signaling pathway. The Nrf2/ARE axis mediates the expression of antioxidant and detoxifying enzymes, such as glutathione peroxidase (GPx), glutathione reductase (GR), heme oxygenase-1 (HO-1), and the catalytic (GCLC) and regulatory (GCLM) subunits of the rate-limiting enzyme in the synthesis of glutathione (GSH), γ-glutamate-cysteine ligase (γ-GCL). Nonetheless, it is not clear how PB exerts mitochondrial protection in mammalian cells. Human neuroblastoma SH-SY5Y cells were pretreated (4 h) with PB (0-25 µM) and then exposed to methylglyoxal (MG; 500 µM) for further 24 h. Mitochondria were isolated by differential centrifugation. PB (25 µM) provided mitochondrial protection (decreased lipid peroxidation, protein carbonylation, and protein nitration in mitochondrial membranes; decreased mitochondrial free radical production; enhanced the content of GSH in mitochondria; rescued mitochondrial membrane potential-MMP) and blocked MG-triggered cell death by a mechanism dependent on the activation of the extracellular-related kinase (Erk1/2) and consequent upregulation of Nrf2. PB increased the levels of GPx, GR, HO-1, and mitochondrial GSH. The PB-induced effects were suppressed by silencing of Nrf2 with siRNA. Therefore, PB activated the Erk1/2-Nrf2 signaling pathway resulting in mitochondrial protection in SH-SY5Y cells exposed to MG. Our work shows that PB is a strong candidate to figure among mitochondria-focusing agents with pharmacological potential.
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Affiliation(s)
- Marcos Roberto de Oliveira
- Department of Chemistry/ICET, Federal University of Mato Grosso (UFMT, Av. Fernando Corrêa da Costa, 2367, Cuiaba, MT, CEP 78060-900, Brazil.
| | - Alessandra Peres
- Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil.,Centro de Pesquisa da Pós-Graduação, Centro Universitário Metodista IPA, Porto Alegre, Brazil
| | - Gustavo Costa Ferreira
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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