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Liao Z, Alrosan M, Alu'datt MH, Tan TC. 10-hydroxy decanoic acid, trans-10-hydroxy-2-decanoic acid, and sebacic acid: Source, metabolism, and potential health functionalities and nutraceutical applications. J Food Sci 2024; 89:3878-3893. [PMID: 38865248 DOI: 10.1111/1750-3841.17143] [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: 02/19/2024] [Revised: 04/20/2024] [Accepted: 05/13/2024] [Indexed: 06/14/2024]
Abstract
The popularity of royal jelly (RJ) as a functional food has attracted attention from various industries, especially nutraceuticals, due to the increasing demand from health enthusiasts. Sebacic acid, 10-hydroxy decanoic acid, and trans-10-hydroxy-2-decanoic acid are the primary medium-chain fatty acids (MCFAs) within RJ responsible for their health benefits. This review aims to consolidate information on these MCFAs' metabolic relationship and health functionalities in nutraceutical applications. We also investigated the natural characteristics mediated by these MCFAs and their metabolism in organisms. Finally, the production of these MCFAs using conventional (from castor oil) and alternative (from RJ) pathways was also discussed. This review can be a reference for using them as functional ingredients in nutraceutical industries.
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Affiliation(s)
- Zhengrui Liao
- Food Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Gelugor, Penang, Malaysia
| | - Mohammad Alrosan
- Applied Science Research Center, Applied Science Private University, Amman, Jordan
- College of Health Science, QU Health, Qatar University, Doha, Qatar
| | - Muhammad H Alu'datt
- Department of Nutrition and Food Technology, Faculty of Agriculture, Jordan University of Science and Technology, Irbid, Jordan
- Department of Food Science & Nutrition, College of Life Sciences, Kuwait University, Safat, Kuwait
| | - Thuan-Chew Tan
- Food Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Gelugor, Penang, Malaysia
- Renewable Biomass Transformation Cluster, School of Industrial Technology, Universiti Sains Malaysia, Gelugor, Penang, Malaysia
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2
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Oršolić N, Jazvinšćak Jembrek M. Royal Jelly: Biological Action and Health Benefits. Int J Mol Sci 2024; 25:6023. [PMID: 38892209 PMCID: PMC11172503 DOI: 10.3390/ijms25116023] [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: 04/17/2024] [Revised: 05/25/2024] [Accepted: 05/28/2024] [Indexed: 06/21/2024] Open
Abstract
Royal jelly (RJ) is a highly nutritious natural product with great potential for use in medicine, cosmetics, and as a health-promoting food. This bee product is a mixture of important compounds, such as proteins, vitamins, lipids, minerals, hormones, neurotransmitters, flavonoids, and polyphenols, that underlie the remarkable biological and therapeutic activities of RJ. Various bioactive molecules like 10-hydroxy-2-decenoic acid (10-HDA), antibacterial protein, apisin, the major royal jelly proteins, and specific peptides such as apisimin, royalisin, royalactin, apidaecin, defensin-1, and jelleins are characteristic ingredients of RJ. RJ shows numerous physiological and pharmacological properties, including vasodilatory, hypotensive, antihypercholesterolaemic, antidiabetic, immunomodulatory, anti-inflammatory, antioxidant, anti-aging, neuroprotective, antimicrobial, estrogenic, anti-allergic, anti-osteoporotic, and anti-tumor effects. Moreover, RJ may reduce menopause symptoms and improve the health of the reproductive system, liver, and kidneys, and promote wound healing. This article provides an overview of the molecular mechanisms underlying the beneficial effects of RJ in various diseases, aging, and aging-related complications, with special emphasis on the bioactive components of RJ and their health-promoting properties. The data presented should be an incentive for future clinical studies that hopefully will advance our knowledge about the therapeutic potential of RJ and facilitate the development of novel RJ-based therapeutic opportunities for improving human health and well-being.
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Affiliation(s)
- Nada Oršolić
- Division of Animal Physiology, Faculty of Science, University of Zagreb, Rooseveltov trg 6, HR-10000 Zagreb, Croatia
| | - Maja Jazvinšćak Jembrek
- Division of Molecular Medicine, Laboratory for Protein Dynamics, Ruđer Bošković Institute, Bijenička cesta 54, HR-10000 Zagreb, Croatia;
- School of Medicine, Catholic University of Croatia, Ilica 242, HR-10000 Zagreb, Croatia
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3
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Baptista BG, Lima LS, Ribeiro M, Britto IK, Alvarenga L, Kemp JA, Cardozo LFMF, Berretta AA, Mafra D. Royal jelly: a predictive, preventive and personalised strategy for novel treatment options in non-communicable diseases. EPMA J 2023; 14:381-404. [PMID: 37605655 PMCID: PMC10439876 DOI: 10.1007/s13167-023-00330-8] [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: 05/09/2023] [Accepted: 06/26/2023] [Indexed: 08/23/2023]
Abstract
Royal jelly (RJ) is a bee product produced by young adult worker bees, composed of water, proteins, carbohydrates and lipids, rich in bioactive components with therapeutic properties, such as free fatty acids, mainly 10-hydroxy-trans-2-decenoic acid (10-H2DA) and 10-hydroxydecanoic acid (10-HDA), and major royal jelly proteins (MRJPs), as well as flavonoids, most flavones and flavonols, hormones, vitamins and minerals. In vitro, non-clinical and clinical studies have confirmed its vital role as an antioxidant and anti-inflammatory. This narrative review discusses the possible effects of royal jelly on preventing common complications of non-communicable diseases (NCDs), such as inflammation, oxidative stress and intestinal dysbiosis, from the viewpoint of predictive, preventive and personalised medicine (PPPM/3PM). It is concluded that RJ, predictively, can be used as a non-pharmacological therapy to prevent and mitigate complications related to NCDs, and the treatment must be personalised.
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Affiliation(s)
- Beatriz G. Baptista
- Graduate Program in Medical Sciences, Fluminense Federal University (UFF), Niterói, RJ Brazil
| | - Ligia S. Lima
- Graduate Program in Biological Sciences – Physiology, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ Brazil
| | - Marcia Ribeiro
- Graduate Program in Biological Sciences – Physiology, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ Brazil
| | - Isadora K. Britto
- Graduate Program in Biological Sciences – Physiology, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ Brazil
| | - Livia Alvarenga
- Graduate Program in Biological Sciences – Physiology, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ Brazil
- Graduate Program in Nutrition Sciences, Fluminense Federal University (UFF), Niterói, RJ Brazil
| | - Julie A. Kemp
- Graduate Program in Nutrition Sciences, Fluminense Federal University (UFF), Niterói, RJ Brazil
| | - Ludmila FMF Cardozo
- Graduate Program in Nutrition Sciences, Fluminense Federal University (UFF), Niterói, RJ Brazil
| | - Andresa A. Berretta
- Research, Development, and Innovation Department, Apis Flora Indl. Coml. Ltda, Ribeirão Preto, SP Brazil
| | - Denise Mafra
- Graduate Program in Medical Sciences, Fluminense Federal University (UFF), Niterói, RJ Brazil
- Graduate Program in Biological Sciences – Physiology, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ Brazil
- Graduate Program in Nutrition Sciences, Fluminense Federal University (UFF), Niterói, RJ Brazil
- Unidade de Pesquisa Clínica, UPC, Rua Marquês de Paraná, 303/4 Andar, Niterói, RJ 24033-900 Brazil
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Atef B, Ishak RAH, Badawy SS, Osman R. 10-Hydroxy Decanoic Acid-Based Vesicles as a Novel Topical Delivery System: Would It Be a Better Platform Than Conventional Oleic Acid Ufasomes for Skin Cancer Treatment? Pharmaceutics 2023; 15:pharmaceutics15051461. [PMID: 37242703 DOI: 10.3390/pharmaceutics15051461] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 03/11/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
10-hydroxy decanoic acid (HDA), a naturally derived fatty acid, was used for the preparation of novel fatty acid vesicles for comparison with oleic acid (OA) ufasomes. The vesicles were loaded with magnolol (Mag), a potential natural drug for skin cancer. Different formulations were prepared using the thin film hydration method and were statistically evaluated according to a Box-Behnken design in terms of particle size (PS), polydispersity index (PDI), zeta potential (ZP), and entrapment efficiency (EE). The ex vivo skin permeation and deposition were assessed for Mag skin delivery. In vivo, an assessment of the optimized formulae using 7,12-dimethylbenz[a]anthracene (DMBA)-induced skin cancer in mice was also conducted. The PS and ZP of the optimized OA vesicles were 358.9 ± 3.2 nm and -82.50 ± 7.13 mV compared to 191.9 ± 6.28 nm and -59.60 ± 3.07 mV for HDA vesicles, respectively. The EE was high (>78%) for both types of vesicles. Ex vivo permeation studies revealed enhanced Mag permeation from all optimized formulations compared to a drug suspension. Skin deposition demonstrated that HDA-based vesicles provided the highest drug retention. In vivo, studies confirmed the superiority of HDA-based formulations in attenuating DMBA-induced skin cancer during treatment and prophylactic studies.
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Affiliation(s)
- Bassant Atef
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo 11566, Egypt
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Misr International University, Cairo 12585, Egypt
| | - Rania A H Ishak
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo 11566, Egypt
| | - Sabry S Badawy
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Misr International University, Cairo 12585, Egypt
| | - Rihab Osman
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo 11566, Egypt
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Gao J, Liu J, Li Y, Liu J, Wang H, Chai M, Dong Y, Zhang Z, Su G, Wang M. Targeting p53 for neuroinflammation: New therapeutic strategies in ischemic stroke. J Neurosci Res 2023. [PMID: 37156641 DOI: 10.1002/jnr.25200] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 04/10/2023] [Accepted: 04/21/2023] [Indexed: 05/10/2023]
Abstract
Ischemic stroke (IS) is characterized by high incidence, high recurrence, and high mortality and places a heavy burden on society and families. The pathological mechanisms of IS are complex, among which secondary neurological impairment mediated by neuroinflammation is considered to be the main factor in cerebral ischemic injury. At present, there is still a lack of specific therapies to treat neuroinflammation. The tumor suppressor protein p53 has long been regarded as a key substance in the regulation of the cell cycle and apoptosis in the past. Recently, studies have found that p53 also plays an important role in neuroinflammatory diseases, such as IS. Therefore, p53 may be a crucial target for the regulation of the neuroinflammatory response. Here, we provide a comprehensive review of the potential of targeting p53 in the treatment of neuroinflammation after IS. We describe the function of p53, the major immune cells involved in neuroinflammation, and the role of p53 in inflammatory responses mediated by these cells. Finally, we summarize the therapeutic strategies of targeting p53 in regulating the neuroinflammatory response after IS to provide new directions and ideas for the treatment of ischemic brain injury.
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Affiliation(s)
- Juan Gao
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, China
| | - Jifei Liu
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, China
| | - Yonghong Li
- NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, Lanzhou, China
| | - Junxi Liu
- Chinese Academy of Sciences Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, China
| | - He Wang
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, China
| | - Miao Chai
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, China
| | - Ying Dong
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, China
| | - Zhenchang Zhang
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, China
| | - Gang Su
- Institute of Genetics, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Manxia Wang
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, China
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Kheirdeh M, Koushkie Jahromi M, Hemmatinafar M, Nemati J. Additive beneficial effects of aerobic training and royal jelly on hippocampal inflammation and function in experimental autoimmune encephalomyelitis rats. Mult Scler Relat Disord 2023; 70:104527. [PMID: 36696832 DOI: 10.1016/j.msard.2023.104527] [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: 12/15/2022] [Revised: 01/12/2023] [Accepted: 01/18/2023] [Indexed: 01/21/2023]
Abstract
BACKGROUND Although the beneficial role of training and the use of some antioxidants in physiological and psychological disorders in autoimmune diseases has been reported, the simultaneous effect of aerobic training (AT) and royal jelly (RJ) with different doses is not well understood. The present study aimed to investigate the impact of AT and RJ on inflammatory factors in the hippocampus, as well as depression and anxiety in the experimental autoimmune encephalomyelitis (EAE). METHODS Sprague-Dawley rats with EAE were assigned to seven groups: (1) EAE without any other intervention (EAE); (2) sham, receiving normal saline (Sh); (3) 50 mg/kg RJ (RJ50); (4) 100 mg/kg RJ (RJ100); (5) AT; (6) AT + RJ50; and (7) AT + RJ100. In addition, a healthy control group was assessed. RESULTS EAE significantly increased interleukin 17 (IL-17), transforming growth factor-β (TGF-β) gene expression and immobilization time as well as anxiety and depression indices, and significantly decreased interleukin 10 (IL-10), compared to the control group. AT decreased significantly IL-17, TGF-β gene expression and immobilization time as well as anxiety and depression indices, while it significantly increased IL-10, compared to the EAE group. RJ50 and RJ100 decreased significantly IL-17, IL-23 gene expression, anxiety and depression indices, and significantly increased IL-10 compared to the EAE group. AT + RJ50 and AT + RJ100 significantly decreased IL-17, IL-23, and TGF-β and as well as anxiety and depression indices while significantly increasing IL-10 compared to the EAE group. The effects of AT + RJ100 on significant decreasing IL-17, IL-23, anxiety and depression and increasing TGF-β, IL-10 were more favorable than RJ50. CONCLUSION AT and RJ improved inflammatory and regulatory factors of autoimmunity and reduced anxiety and depression. The RJ combined with AT induced additive effects while using RJ100 was more favorable than RJ50.
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Affiliation(s)
- Maryam Kheirdeh
- Department of Sport Sciences, School of Education and Psychology, Shiraz University, Iran
| | | | - Mohammad Hemmatinafar
- Department of Sport Sciences, School of Education and Psychology, Shiraz University, Iran
| | - Javad Nemati
- Department of Sport Sciences, School of Education and Psychology, Shiraz University, Iran
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Zhang B, Hong L, Ke J, Zhong Y, Cao N, Li W, Xu D, Tian Y, Huang Y, Chen W, Li B. Polysaccharide of Atractylodes macrocephala Koidz alleviate lipopolysaccharide-induced liver injury in goslings via the p53 and FOXO pathways. Poult Sci 2023; 102:102480. [PMID: 36680857 PMCID: PMC9871332 DOI: 10.1016/j.psj.2023.102480] [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: 12/01/2022] [Revised: 12/13/2022] [Accepted: 01/02/2023] [Indexed: 01/07/2023] Open
Abstract
Lipopolysaccharide (LPS) can affect the immune system of geese by inducing liver injury. The polysaccharide of Atractylodes macrocephala Koidz (PAMK) have obvious immune-enhancing effects. Accordingly, this experiment investigated the effect of PAMK on LPS-induced liver injury in goslings. Two hundred 1-day-old goslings were randomly divided into the control group, LPS group, PAMK group, and PAMK+ LPS group, and the PAMK and PAMK+ LPS groups were fed the basal diet with 400 mg/kg PAMK, while the control and LPS groups were fed the basal diet. On D 21, 23, and 25 of the formal trial, the goslings in the LPS and PAMK+LPS groups were injected intraperitoneally with 2 mg/kg LPS, and goslings in the control and PAMK groups were injected intraperitoneally with the same amount of saline. Livers were collected on D 25. HE-stained sections showed that PAMK could effectively alleviate the LPS-induced indistinct hepatic cord structure, loss of cytoplasmic contents of hepatocytes, and dilatation of hepatic sinusoids. The biochemical parameters of liver tissues showed that PAMK could alleviate the LPS-induced upregulation of alanine aminotransferase and aspartate aminotransferase. To further investigate the mechanism of the mitigating effect of PAMK on LPS-induced injury, livers from the LPS and PAMK+LPS groups were selected for transcriptome sequencing. The sequencing results showed that there were 406 differentially expressed genes (DEGs) in the livers of LPS and PAMK+LPS goslings, of which 242 upregulated and 164 downregulated. The Kyoto Encyclopedia of Genes and Genome (KEGG) analysis showed that DEGs were significantly enriched in immune signal transduction, cell cycle, and cell metabolism. Besides, protein‒protein interaction analysis showed that 129 DEGs were associated with each other, including 7 DEGs enriched in the p53 and FOXO signaling pathway. In conclusion, PAMK may alleviate LPS-induced liver injury in gosling through the p53 and FOXO signaling pathway. These results provide a basis for further development of PAMK as an immunomodulator.
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Affiliation(s)
- Bingqi Zhang
- College of Animal Science & Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China,Guangdong Province Key Laboratory of Waterfowl Healthy Breeding, Guangzhou 510225, China
| | - Longsheng Hong
- Guangdong Province Key Laboratory of Waterfowl Healthy Breeding, Guangzhou 510225, China
| | - Jingfei Ke
- College of Animal Science & Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Yueyun Zhong
- College of Animal Science & Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China,Guangdong Province Key Laboratory of Waterfowl Healthy Breeding, Guangzhou 510225, China
| | - Nan Cao
- College of Animal Science & Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China,Guangdong Province Key Laboratory of Waterfowl Healthy Breeding, Guangzhou 510225, China
| | - Wanyan Li
- College of Animal Science & Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China,Guangdong Province Key Laboratory of Waterfowl Healthy Breeding, Guangzhou 510225, China
| | - Danning Xu
- College of Animal Science & Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China,Guangdong Province Key Laboratory of Waterfowl Healthy Breeding, Guangzhou 510225, China
| | - Yunbo Tian
- College of Animal Science & Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China,Guangdong Province Key Laboratory of Waterfowl Healthy Breeding, Guangzhou 510225, China
| | - Yunmao Huang
- College of Animal Science & Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China,Guangdong Province Key Laboratory of Waterfowl Healthy Breeding, Guangzhou 510225, China
| | - Wenbin Chen
- College of Animal Science & Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China,Guangdong Province Key Laboratory of Waterfowl Healthy Breeding, Guangzhou 510225, China
| | - Bingxin Li
- College of Animal Science & Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; Guangdong Province Key Laboratory of Waterfowl Healthy Breeding, Guangzhou 510225, China.
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Physicochemical Profile, Antioxidant and Antimicrobial Activities of Honeys Produced in Minas Gerais (Brazil). Antibiotics (Basel) 2022; 11:antibiotics11101429. [PMID: 36290087 PMCID: PMC9598309 DOI: 10.3390/antibiotics11101429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 10/11/2022] [Accepted: 10/14/2022] [Indexed: 11/29/2022] Open
Abstract
Honeys can be classified as polyfloral or monofloral and have been extensively studied due to an increased interest in their consumption. There is concern with the correct identification of their flowering, the use of analyses that guarantee their physicochemical quality and the quantification of some compounds such as phenolics, to determine their antioxidant and antimicrobial action. This study aims at botanical identification, physicochemical analyses, and the determination of total polyphenols, chromatographic profile and antiradical and antimicrobial activity of honey from different regions of Minas Gerais. Seven different samples were analyzed for the presence of pollen, and color determination. The physicochemical analyses performed were total acidity, moisture, HMF, reducing sugar, and apparent sucrose. The compound profile was determined by UHPLC/MS, the determination of total phenolics and antiradical activity (DPPH method) were performed by spectrophotometry, and minimum inhibitory and bacterial concentrations were determined for cariogenic bacteria. All honey samples met the quality standards required by international legislation, twenty compounds were detected as the main ones, the polyfloral honey was the only honey that inhibited all of the bacteria tested. Sample M6 (Coffee) was the one with the highest amount of total polyphenols, while the lowest was M4 (Cipó-uva). Regarding the antioxidant activity, M5 (Velame) had the best result and M4 (Cipó-uva) was the one that least inhibited oxidation. Of the polyfloral honeys, there was not as high a concentration of phenolic compounds as in the others. Coffee, Aroeira, Velame and Polyfloral have the best anti-radical actions. Betônica, Aroeira, Cipó-uva and Pequi inhibited only some bacteria. The best bacterial inhibition results are from Polyfloral.
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You M, Wang K, Pan Y, Tao L, Ma Q, Zhang G, Hu F. Combined royal jelly 10-hydroxydecanoic acid and aspirin has a synergistic effect against memory deficit and neuroinflammation. Food Funct 2022; 13:2336-2353. [PMID: 35142767 DOI: 10.1039/d1fo02397g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Alzheimer's disease (AD), the most common form of neurodegenerative dementia among the older population, is associated with acute or chronic inflammation. As a nonsteroidal anti-inflammatory drug, aspirin has recently been widely studied in the prevention and treatment of neurodegenerative diseases. However, there is a controversy about the efficacy as well as the adverse effects of aspirin. 10-Hydroxydecanoic acid (10-HDAA) is a characteristic fatty acid found in the honey bee product royal jelly. In this study, we found that 10-HDAA attenuated the activation of the NF-κB pathway, then targeted Ptgs-1/2, the well-known target of aspirin. Hence, combined therapy of 10-HDAA and aspirin was conducted. In vitro assays suggested that this combinatory group alleviated LPS-induced inflammation in BV-2 cells, as assessed by the downregulation of nitric oxide, COX-2, and IL-6 compared to 10-HDAA or aspirin treatment alone. In vivo assays showed that the combined treatment synergistically inhibited the overactivation of glial cells and decreased the levels of pro-inflammatory mediators. Moreover, 10-HDAA alleviated the adverse effects of aspirin on gastrointestinal injuries and microbiota dysbiosis. The Morris water maze test indicated that neither 10-HDAA nor aspirin effectively improved LPS-induced memory dysfunction, but the combined therapy showed synergistic effects. Altogether, our findings support 10-HDAA and aspirin combinatory therapy as the basis for future therapeutics for AD and other neuroinflammation-related diseases with minimal adverse effects.
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Affiliation(s)
- Mengmeng You
- College of Animal Sciences, Zhejiang University, Hangzhou, China. .,School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.,College of Life Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Kangli Wang
- College of Animal Sciences, Zhejiang University, Hangzhou, China.
| | - Yongming Pan
- Experimental Animal Research Center, Zhejiang Chinese Medical University, Hangzhou, China
| | - Lingchen Tao
- College of Animal Sciences, Zhejiang University, Hangzhou, China.
| | - Quanxin Ma
- College of Animal Sciences, Zhejiang University, Hangzhou, China.
| | - Guozhi Zhang
- College of Animal Sciences, Zhejiang University, Hangzhou, China.
| | - Fuliang Hu
- College of Animal Sciences, Zhejiang University, Hangzhou, China.
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10
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Targeted drug delivery systems to control neuroinflammation in central nervous system disorders. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102802] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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11
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Beaulieu J, Costa G, Renaud J, Moitié A, Glémet H, Sergi D, Martinoli MG. The Neuroinflammatory and Neurotoxic Potential of Palmitic Acid Is Mitigated by Oleic Acid in Microglial Cells and Microglial-Neuronal Co-cultures. Mol Neurobiol 2021; 58:3000-3014. [PMID: 33604780 DOI: 10.1007/s12035-021-02328-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 02/10/2021] [Indexed: 12/19/2022]
Abstract
Neuroinflammation has been implicated in the pathogenesis of neurodegeneration and is now accepted as a common molecular feature underpinning neuronal damage and death. Palmitic acid (PA) may represent one of the links between diet and neuroinflammation. The aims of this study were to assess whether PA induced toxicity in neuronal cells by modulating microglial inflammatory responses and/or by directly targeting neurons. We also determined the potential of oleic acid (OA), a monounsaturated fatty acid, to counteract inflammation and promote neuroprotection. We measured the ability of PA to induce the secretion of interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α), the induction of the nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) signalling pathways, as well as the phosphorylation of c-Jun, and the expression of inducible nitric oxide synthase (iNOS). Finally, to determine whether PA exerted an indirect neurotoxic effect on neuronal cells, we employed a microglia-neuron co-culture paradigm where microglial cells communicate with neuronal cells in a paracrine fashion. Herein, we demonstrate that PA induces the activation of the NF-κB signalling pathway and c-Jun phosphorylation in N9 microglia cells, in the absence of increased cytokine secretion. Moreover, our data illustrate that PA exerts an indirect as well as a direct neurotoxic role on neuronal PC12 cells and these effects are partially prevented by OA. These results are important to establish that PA interferes with neuronal homeostasis and suggest that dietary PA, when consumed in excess, may induce neuroinflammation and possibly concurs in the development of neurodegeneration.
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Affiliation(s)
- Jimmy Beaulieu
- Department of Medical Biology, Université du Québec à Trois-Rivières, 3351 boul. des Forges, G9A 5H7, Trois-Rivières, QC, Canada
| | - Giulia Costa
- Department of Biomedical Sciences, Section of Neurosciences, University of Cagliari, Cagliari, Italy
| | - Justine Renaud
- Department of Medical Biology, Université du Québec à Trois-Rivières, 3351 boul. des Forges, G9A 5H7, Trois-Rivières, QC, Canada
| | - Amélie Moitié
- Department of Medical Biology, Université du Québec à Trois-Rivières, 3351 boul. des Forges, G9A 5H7, Trois-Rivières, QC, Canada
| | - Hélène Glémet
- Department of Biological and Ecological Sciences, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
| | - Domenico Sergi
- Nutrition & Health Substantiation Group, Nutrition and Health Program, Health and Biosecurity, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Adelaide, South Australia, Australia.,Adelaide Medical School, University of Adelaide, Adelaide, South Australia, Australia
| | - Maria-Grazia Martinoli
- Department of Medical Biology, Université du Québec à Trois-Rivières, 3351 boul. des Forges, G9A 5H7, Trois-Rivières, QC, Canada. .,Department of Psychiatry & Neurosciences, Université Laval and CHU Research Center, Québec, Canada.
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Wu AG, Zhou XG, Qiao G, Yu L, Tang Y, Yan L, Qiu WQ, Pan R, Yu CL, Law BYK, Qin DL, Wu JM. Targeting microglial autophagic degradation in NLRP3 inflammasome-mediated neurodegenerative diseases. Ageing Res Rev 2021; 65:101202. [PMID: 33161129 DOI: 10.1016/j.arr.2020.101202] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 02/07/2023]
Abstract
Neuroinflammation is considered as a detrimental factor in neurodegenerative diseases, including Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), etc. Nucleotide-binding oligomerization domain-, leucine-rich repeat- and pyrin domain-containing 3 (NLRP3), the most well-studied inflammasome, is abundantly expressed in microglia and has gained considerable attention. Misfolded proteins are characterized as the common hallmarks of neurodegenerative diseases due to not only their induced neuronal toxicity but also their effects in over-activating microglia and the NLRP3 inflammasome. The activated NLRP3 inflammasome aggravates the pathology and accelerates the progression of neurodegenerative diseases. Emerging evidence indicates that microglial autophagy plays an important role in the maintenance of brain homeostasis and the negative regulation of NLRP3 inflammasome-mediated neuroinflammation. The excessive activation of NLRP3 inflammasome impairs microglial autophagy and further aggravates the pathogenesis of neurodegenerative diseases. In this review article, we summarize and discuss the NLRP3 inflammasome and its specific inhibitors in microglia. The crucial role of microglial autophagy and its inducers in the removal of misfolded proteins, the clearance of damaged mitochondria and reactive oxygen species (ROS), and the degradation of the NLRP3 inflammasome or its components in neurodegenerative diseases are summarized. Understanding the underlying mechanisms behind the sex differences in NLRP3 inflammasome-mediated neurodegenerative diseases will help researchers to develop more targeted therapies and increase our diagnostic and prognostic abilities. In addition, the superiority of the combined use of microglial autophagy inducers with the specific inhibitors of the NLRP3 inflammasome in the inhibition of NLRP3 inflammasome-mediated neuroinflammation requires further preclinical and clinical validations in the future.
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