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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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Chen C, Ou W, Yang C, Liu H, Yang T, Mo H, Lu W, Yan J, Chen A. Queen bee acid pretreatment attenuates myocardial ischemia/reperfusion injury by enhancing autophagic flux. Heliyon 2024; 10:e33371. [PMID: 39021954 PMCID: PMC11253658 DOI: 10.1016/j.heliyon.2024.e33371] [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: 01/20/2024] [Revised: 06/19/2024] [Accepted: 06/20/2024] [Indexed: 07/20/2024] Open
Abstract
Queen bee acid (QBA), which is exclusively found in royal jelly, has anti-inflammatory, antihypercholesterolemic, and antiangiogenic effects. A recent study demonstrated that QBA enhances autophagic flux in the heart. Considering the significant role of autophagy in the development of myocardial ischemia/reperfusion (I/R) injury, we investigated the effect of pretreatment with QBA on myocardial damage. In an in vivo model, left coronary artery blockage for 30 min and reperfusion for 2 h were used to induce myocardial I/R. In an in vitro model, neonatal rat cardiomyocytes (NRCs) were exposed to 3 h of hypoxia and 3 h of reoxygenation (H/R). Our results showed that pretreatment with QBA increased the cell viability of cardiomyocytes exposed to H/R in a dose-dependent manner, and the best protective concentration of QBA was 100 μM. Next, we noted that QBA pretreatment (24h before H/R) enhanced autophagic flux and attenuated mitochondrial damage, cardiac oxidative stress and apoptosis in NRCs exposed to H/R injury, and these effects were weakened by cotreatment with the autophagy inhibitor bafilomycin A1 (Baf). In addition, similar results were observed when QBA (10 mg/kg) was injected intraperitoneally into I/R mice 30 min before ischemia. Compared to mice subjected to I/R alone, those treated with QBA had decreased myocardial infarct area and increased cardiac function, whereas, these effects were partly reversed by Baf. Notably, in NRCs exposed to H/R, tandem fluorescent mRFP-GFP-LC3 assays indicated increased autophagosome degradation due to the increase in autophagic flux upon QBA treatment, but coinjection of Baf blocked autophagic flux. In this investigation, no notable adverse effects of QBA were detected in either cellular or animal models. Our findings suggest that QBA pretreatment mitigates myocardial I/R injury by eliminating dysfunctional mitochondria and reducing reactive oxygen species via promoting autophagic flux.
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Affiliation(s)
- Changhai Chen
- Department of Cardiology, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Department of Cardiology, The Affiliated Suqian First People's Hospital of Nanjing Medical University, Suqian, Jiangsu, People's Republic of China
- Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Guangdong Provincial Key Laboratory of Shock and Microcirculation, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Wen Ou
- Department of Cardiology, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Guangdong Provincial Key Laboratory of Shock and Microcirculation, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Chaobo Yang
- Department of Cardiology, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Guangdong Provincial Key Laboratory of Shock and Microcirculation, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Haiqiong Liu
- Department of Health Management, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Guangdong Provincial Key Laboratory of Shock and Microcirculation, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Tao Yang
- Department of Cardiology, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Guangdong Provincial Key Laboratory of Shock and Microcirculation, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Department of Cardiovascular Medicine, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, People's Republic of China
| | - Huaqiang Mo
- Department of Cardiology, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Guangdong Provincial Key Laboratory of Shock and Microcirculation, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Weizhe Lu
- Department of Cardiology, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Guangdong Provincial Key Laboratory of Shock and Microcirculation, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Jing Yan
- Department of Cardiology, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Guangdong Provincial Key Laboratory of Shock and Microcirculation, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Aihua Chen
- Department of Health Management, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
- Guangdong Provincial Key Laboratory of Shock and Microcirculation, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
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Ghosh S, Jang H, Sun S, Jung C. Nutrient Composition and Quality Assessment of Royal Jelly Samples Relative to Feed Supplements. Foods 2024; 13:1942. [PMID: 38928885 PMCID: PMC11203284 DOI: 10.3390/foods13121942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 06/13/2024] [Accepted: 06/17/2024] [Indexed: 06/28/2024] Open
Abstract
Royal jelly is a substance secreted by the hypopharyngeal and mandibular glands of nurse honey bees, serving as crucial nutritional source for young larvae, queen honey bees, and also valuable product for humans. In this study, the effect of the feed supplements on the nutritional composition and qualities of royal jelly was investigated. Two types of royal jelly samples were acquired: one from honey bees fed with sugar syrup as a feed supplement and the other from honey bees fed with honey. The production, harvesting, and storage of all royal jelly samples followed standard procedures. Parameters for quality assessment and nutritional value, including stable carbon isotopic ratio, moisture content, 10-hydroxy-2-decenoic acid (10-HDA) level, carbohydrate composition, amino acid composition, and mineral contents, were analyzed. The results revealed that despite variability in moisture content and carbohydrate composition, fructose was lower (2.6 and 4.1 g/100 g as is for sugar-fed and honey-fed royal jelly, respectively) and sucrose was higher (7.5 and 2.7 g/100 g as is for sugar-fed and honey-fed royal jelly, respectively) in the sugar-fed group. The stable isotope ratio (-16.4608‱ for sugar-fed and -21.9304‱ for honey-fed royal jelly) clearly distinguished the two groups. 10-HDA, amino acid composition, and total protein levels were not significantly different. Certain minerals, such as potassium, iron, magnesium, manganese, and phosphorus were higher in the honey-fed group. Hierarchical analysis based on moisture, sugar composition, 10-HDA, and stable carbon isotopes categorized the samples into two distinct groups. This study demonstrated that the feed source could affect the nutritional quality of royal jelly.
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Affiliation(s)
- Sampat Ghosh
- Agriculture Science and Technology Research Institute, Andong National University, Andong 36729, Gyeongsangbuk do, Republic of Korea;
| | - Hyeonjeong Jang
- Department of Plant Medicals, Andong National University, Andong 36729, Gyeongsangbuk do, Republic of Korea; (H.J.); (S.S.)
| | - Sukjun Sun
- Department of Plant Medicals, Andong National University, Andong 36729, Gyeongsangbuk do, Republic of Korea; (H.J.); (S.S.)
| | - Chuleui Jung
- Agriculture Science and Technology Research Institute, Andong National University, Andong 36729, Gyeongsangbuk do, Republic of Korea;
- Department of Plant Medicals, Andong National University, Andong 36729, Gyeongsangbuk do, Republic of Korea; (H.J.); (S.S.)
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Ogawa E, Suzuki N, Kamiya T, Hara H. Sebacic acid, a royal jelly-containing fatty acid, decreases LPS-induced IL-6 mRNA expression in differentiated human THP-1 macrophage-like cells. J Clin Biochem Nutr 2024; 74:192-198. [PMID: 38799138 PMCID: PMC11111463 DOI: 10.3164/jcbn.23-16] [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: 03/14/2023] [Accepted: 06/11/2023] [Indexed: 05/29/2024] Open
Abstract
Macrophages produce many inflammatory mediators, such as tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6), in innate immune responses. However, excess production of these mediators by activated macrophages triggers deleterious effects, leading to disorders associated with inflammation. Royal jelly (RJ), a milky-white substance secreted by worker bees, contains unique fatty acids, including 10-hydroxy-2-decenoic acid (10H2DA) and sebacic acid (SA). 10H2DA has been reported to have various biological functions, such as anti-inflammation. However, the anti-inflammatory effect of SA is not fully understood. In this study, we investigated the effects of SA on lipopolysaccharide (LPS)-induced cytokine expression using differentiated human THP-1 macrophage-like cells. SA dose-dependently decreased LPS-induced mRNA expression of IL-6, but not TNF-α and IL-1β. SA suppressed the phosphorylation of signal transducers and activators of transcription 1 (STAT1) and STAT3, but hardly affected the activation of JNK, p38, or NF-κB. In addition, SA decreased LPS-induced interferon-β (IFN-β) expression, and the addition of IFN-β restored the inhibition by SA of LPS-induced STAT activation and IL-6 expression. Furthermore, SA suppressed LPS-induced nuclear translocation of interferon regulatory factor 3 (IRF3), a transcription factor responsible for IFN-β expression. Taken together, we conclude that SA selectively decreases LPS-induced expression of IL-6 mRNA through inhibition of the IRF3/IFN-β/STAT axis.
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Affiliation(s)
- Erika Ogawa
- Laboratory of Clinical Pharmaceutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Nobuko Suzuki
- Laboratory of Clinical Pharmaceutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Tetsuro Kamiya
- Laboratory of Clinical Pharmaceutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Hirokazu Hara
- Laboratory of Clinical Pharmaceutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
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Wujiamaiti Z, Kizaibek M, Bahetijian D, Li Y, Gui Y, Abula A. Urtica cannabina L. water extract exhibits anti-inflammatory activity by regulating inflammatory cytokines: In vitro and in vivo evidence. JOURNAL OF ETHNOPHARMACOLOGY 2024; 318:116907. [PMID: 37453626 DOI: 10.1016/j.jep.2023.116907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 07/05/2023] [Accepted: 07/10/2023] [Indexed: 07/18/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Urtica cannabina L. (U. cannabina) is a medicinal plant used in traditional Chinese and Kazakh medicine for treatment of various ailments such as rheumatoid arthritis, rheumatic pain, high blood pressure, and snake bites. However, very few studies have focused on the anti-inflammatory effects of U. cannabina and the mechanisms underlying these effects. AIM OF THE STUDY This study to investigate the in vitro and in vivo anti-inflammatory effect of U. cannabina, the underlying mechanisms, and its phytochemical profile. MATERIALS AND METHODS We investigated the anti-inflammatory effects of the U. cannabina water extract on lipopolysaccharide-stimulated RAW264.7 macrophages and paw edema in rats and analyzed its chemical components using ultra-performance liquid chromatography-mass spectrometry (UPLC-MS). RESULTS U. cannabina water extract effectively inhibited the secretion of multiple inflammatory factors, and its corresponding mRNA expression in LPS-induced RAW264.7 cells (p < 0.05). Tincture of U. cannabina water extract significantly reduced carrageenan-induced rat paw edema and levels of inflammatory factors (p < 0.05). A total of 31 compounds, which mainly include organic acids, were tentatively identified based on the comparison of their mass spectrum profiles with those recorded in a mass spectra database. CONCLUSIONS The results of this study elucidated the anti-inflammatory effect of U. cannabina water extract in vitro and in vivo and showed that the extract elicits the anti-inflammatory effects by regulating the activity of inflammatory cytokines. The results prove that U. cannabina is a valuable source of active compounds with anti-inflammatory activity.
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Affiliation(s)
| | - Murat Kizaibek
- Traditional Kazakh Medicine Research Institute of Ili Kazakh Autonomous Prefecture, Yining, 835000, China; Traditional Chinese Medicine Hospital of Ili Kazakh Autonomous Prefecture, Yining, 835000, China.
| | - Didaer Bahetijian
- Traditional Kazakh Medicine Research Institute of Ili Kazakh Autonomous Prefecture, Yining, 835000, China; Traditional Chinese Medicine Hospital of Ili Kazakh Autonomous Prefecture, Yining, 835000, China.
| | - Yanan Li
- School of Chemistry and Environmental Science, Yili Normal University, Yining, 835000, China.
| | - Yingying Gui
- Xinjiang Enze Chinese Medicine Yinpian Co. Ltd., Yining, 835000, China.
| | - Ajiranmu Abula
- College of Pharmacy, Xinjiang Medical University, Urumqi, 830011, China.
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Bahadır Semerci A, Yıldırım M, Oztay F, Sagıroglu M, Tunç K. Evaluation of Fatty Acid Contents and Biological Activities of Jurinea turcica. Chem Biodivers 2024; 21:e202300084. [PMID: 38010957 DOI: 10.1002/cbdv.202300084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 11/22/2023] [Accepted: 11/26/2023] [Indexed: 11/29/2023]
Abstract
The fatty acid profile, antioxidant/antibacterial, and cytotoxic effects of the extracts obtained from Jurinea turcica B.Doğan& A.Duran have been evaluated for the first time in the current study. The fatty acid profile of ethanolic extracts was determined using the Soxhlet extractor by a gas chromatography-mass spectrometer. The antioxidant and antibacterial activities were measured by 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging and ferrous reduction tests and the disc diffusion technique. Additionally, the cytotoxicity and wound healing assays were performed on A549 cells. The highest amount of component in the leaf extract was docosanoic acid methyl ester, whereas abundant arachidonic acid methyl ester was mainly found in the flower extract. The IC50 values, the 50 % scavenging value for the DPPH radical, were 179.13 and 124.67 μg/mL for the leaf and flower extracts, respectively. IC50 values (the half-maximal inhibitory concentration) were 10.4 and 24.7 μg/mL for the flower and leaf extracts, respectively. The leaf extract showed more potent antibacterial activity on Enterococcus faecalis (17 mm) and Staphylococcus aureus (16 mm) bacteria than the flower extract. In conclusion, the extracts of J. turcica have anti-cancerogenic and antibacterial effects. Leaf extracts have antibacterial and anti-metastatic effects, while flower extracts show antioxidant, cytotoxic, and apoptotic properties in A549 cells.
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Affiliation(s)
- Alican Bahadır Semerci
- Sakarya University, Science Faculty, Department of Biology, 54187, Sakarya, Turkey
- Necmettin Erbakan University, Ereğli Vocational School of Health Services, 42310, Konya, Turkey
| | - Merve Yıldırım
- Istanbul University, Science Faculty, Department of Biology, Molecular Biology Division, Vezneciler, 34134, Istanbul, Turkey
| | - Füsun Oztay
- Istanbul University, Science Faculty, Department of Biology, Molecular Biology Division, Vezneciler, 34134, Istanbul, Turkey
| | - Mehmet Sagıroglu
- Sakarya University, Science Faculty, Department of Biology, 54187, Sakarya, Turkey
| | - Kenan Tunç
- Sakarya University, Science Faculty, Department of Biology, 54187, Sakarya, Turkey
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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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Bagameri L, Botezan S, Bobis O, Bonta V, Dezmirean DS. Molecular Insights into Royal Jelly Anti-Inflammatory Properties and Related Diseases. Life (Basel) 2023; 13:1573. [PMID: 37511948 PMCID: PMC10381546 DOI: 10.3390/life13071573] [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: 05/31/2023] [Revised: 07/03/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
Royal jelly (RJ), a highly nutritious natural product, has gained recognition for its remarkable health-promoting properties, leading to its widespread use in the pharmaceutical, food, and cosmetic industries. Extensive investigations have revealed that RJ possesses a broad spectrum of therapeutic effects, including anti-inflammatory, antioxidant, antitumor, anti-aging, and antibacterial activities. Distinctive among bee products, RJ exhibits a significantly higher water and relatively lower sugar content. It is characterized by its substantial protein content, making it a valuable source of this essential macronutrient. Moreover, RJ contains a diverse array of bioactive substances, such as lipids, phenolic compounds, flavonoids, organic acids, minerals, vitamins, enzymes, and hormones. This review aims to provide an overview of current research on the bioactive components present in RJ and their associated health-promoting qualities. According to existing literature, these bioactive substances hold great potential as alternative approaches to enhancing human health. Notably, this review emphasizes the anti-inflammatory properties of RJ, particularly in relation to inflammatory diseases, such as multiple sclerosis (MS), rheumatoid arthritis (RA), and inflammatory bowel diseases (IBD). Furthermore, we delve into the antitumor and antioxidant activities of RJ, aiming to deepen our understanding of its biological functions. By shedding light on the multifaceted benefits of RJ, this review seeks to encourage its utilization and inspire further investigation in this field.
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Affiliation(s)
- Lilla Bagameri
- Department of Apiculture and Sericulture, Faculty of Animal Sciences and Biotechnologies, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372 Cluj-Napoca, Romania
| | - Sara Botezan
- Department of Apiculture and Sericulture, Faculty of Animal Sciences and Biotechnologies, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372 Cluj-Napoca, Romania
| | - Otilia Bobis
- Department of Apiculture and Sericulture, Faculty of Animal Sciences and Biotechnologies, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372 Cluj-Napoca, Romania
| | - Victorita Bonta
- Department of Apiculture and Sericulture, Faculty of Animal Sciences and Biotechnologies, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372 Cluj-Napoca, Romania
| | - Daniel Severus Dezmirean
- Department of Apiculture and Sericulture, Faculty of Animal Sciences and Biotechnologies, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372 Cluj-Napoca, Romania
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Kobayashi G, Okamura T, Majima S, Senmaru T, Okada H, Ushigome E, Nakanishi N, Nishimoto Y, Yamada T, Okamoto H, Okumura N, Sasano R, Hamaguchi M, Fukui M. Effects of Royal Jelly on Gut Dysbiosis and NAFLD in db/ db Mice. Nutrients 2023; 15:nu15112580. [PMID: 37299544 DOI: 10.3390/nu15112580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 05/27/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023] Open
Abstract
Royal jelly (RJ) is a naturally occurring substance synthesized by honeybees and has various health benefits. Herein, we focused on the medium-chain fatty acids (MCFAs) unique to RJ and evaluated their therapeutic efficacy in treating non-alcoholic fatty liver disease (NAFLD). We examined db/m mice that were exclusively fed a normal diet, db/db mice exclusively fed a normal diet, and db/db mice fed varying RJ quantities (0.2, 1, and 5%). RJ improved NAFLD activity scores and decreased gene expression related to fatty acid metabolism, fibrosis, and inflammation in the liver. RJ regulated innate immunity-related inflammatory responses in the small intestine and decreased the expression of genes associated with inflammation and nutrient absorption transporters. RJ increased the number of operational taxonomic units, the abundance of Bacteroides, and seven taxa, including bacteria that produce short-chain fatty acids. RJ increased the concentrations of RJ-related MCFAs (10-hidroxy-2-decenoic acid, 10-hydroxydecanoic acid, 2-decenedioic acid, and sebacic acid) in the serum and liver. These RJ-related MCFAs decreased saturated fatty acid deposition in HepG2 cells and decreased the gene expression associated with fibrosis and fatty acid metabolism. RJ and RJ-related MCFAs improved dysbiosis and regulated the expression of inflammation-, fibrosis-, and nutrient absorption transporter-related genes, thereby preventing NAFLD.
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Affiliation(s)
- Genki Kobayashi
- Department of Endocrinology and Metabolism, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Takuro Okamura
- Department of Endocrinology and Metabolism, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Saori Majima
- Department of Endocrinology and Metabolism, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Takafumi Senmaru
- Department of Endocrinology and Metabolism, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Hiroshi Okada
- Department of Endocrinology and Metabolism, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Emi Ushigome
- Department of Endocrinology and Metabolism, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Naoko Nakanishi
- Department of Endocrinology and Metabolism, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | | | - Takuji Yamada
- Metabologenomics Inc., Tsuruoka 997-0052, Japan
- Department of Life Science and Technology, Tokyo Institute of Technology, Tokyo 152-8550, Japan
| | - Hideto Okamoto
- Institute for Health Science, R&D Department, Yamada Bee Company, Inc., Okayama 708-0393, Japan
| | - Nobuaki Okumura
- Institute for Health Science, R&D Department, Yamada Bee Company, Inc., Okayama 708-0393, Japan
| | | | - Masahide Hamaguchi
- Department of Endocrinology and Metabolism, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Michiaki Fukui
- Department of Endocrinology and Metabolism, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
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Virgous C, Lyons L, Sakwe A, Nayyar T, Goodwin S, Hildreth J, Osteen K, Bruner-Tran K, Alawode O, Bourne P, Hills ER, Archibong AE. Resumption of Spermatogenesis and Fertility Post Withdrawal of Hydroxyurea Treatment. Int J Mol Sci 2023; 24:ijms24119374. [PMID: 37298325 DOI: 10.3390/ijms24119374] [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: 03/08/2023] [Revised: 04/11/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023] Open
Abstract
Hydroxyurea (HU), a drug for treating cancers of the blood and the management of sickle cell anemia, induces hypogonadism in males. However, the impact of HU on testicular architecture and function, as well as its effects on the resumption of male fertility following treatment withdrawal, remain poorly understood. We used adult male mice to determine whether HU-induced hypogonadism is reversible. Fertility indices of mice treated with HU daily for ~1 sperm cycle (2 months) were compared with those of their control counterparts. All indices of fertility were significantly reduced among mice treated with HU compared to controls. Interestingly, significant improvements in fertility indices were apparent after a 4-month withdrawal from HU treatment (testis weight: month 1 post-HU withdrawal (M1): HU, 0.09 ± 0.01 vs. control, 0.33 ± 0.03; M4: HU, 0.26 ± 0.03 vs. control, 0.37 ± 0.04 g); sperm motility (M1: HU,12 vs. 59; M4: HU, 45 vs. control, 61%; sperm density (M1: HU, 1.3 ± 0.3 vs. control, 15.7 ± 0.9; M4: HU, 8.1 ± 2.5 vs. control, 16.8 ± 1.9 million). Further, circulating testosterone increased in the 4th month following HU withdrawal and was comparable to that of controls. When a mating experiment was conducted, recovering males sired viable offspring with untreated females albeit at a lower rate than control males (p < 0.05); therefore, qualifying HU as a potential candidate for male contraception.
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Affiliation(s)
- Carlos Virgous
- Animal Care Facility, Meharry Medical College, 1005 D.B. Todd Blvd, Nashville, TN 37209, USA
| | - Letitia Lyons
- Department of Obstetrics and Gynecology, Meharry Medical College, 1005 D.B. Todd Blvd, Nashville, TN 37208, USA
| | - Amos Sakwe
- Department of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College, 1005 D.B. Todd Blvd, Nashville, TN 37208, USA
| | - Tultul Nayyar
- Department of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College, 1005 D.B. Todd Blvd, Nashville, TN 37208, USA
| | - Shawn Goodwin
- Department of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College, 1005 D.B. Todd Blvd, Nashville, TN 37208, USA
| | - James Hildreth
- Department of Microbiology, Immunology and Physiology, Meharry Medical College, 1005 D.B. Todd Blvd, Nashville, TN 37208, USA
| | - Kevin Osteen
- Women's Reproductive Health Research Center, Department of Obstetrics and Gynecology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
| | - Kaylon Bruner-Tran
- Women's Reproductive Health Research Center, Department of Obstetrics and Gynecology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
| | - Oluwatobi Alawode
- Department of Obstetrics and Gynecology, Meharry Medical College, 1005 D.B. Todd Blvd, Nashville, TN 37208, USA
| | - Phillip Bourne
- Department of Obstetrics and Gynecology, Meharry Medical College, 1005 D.B. Todd Blvd, Nashville, TN 37208, USA
| | - Edward Richard Hills
- Department of Obstetrics and Gynecology, Meharry Medical College, 1005 D.B. Todd Blvd, Nashville, TN 37208, USA
| | - Anthony E Archibong
- Department of Obstetrics and Gynecology, Meharry Medical College, 1005 D.B. Todd Blvd, Nashville, TN 37208, USA
- Department of Microbiology, Immunology and Physiology, Meharry Medical College, 1005 D.B. Todd Blvd, Nashville, TN 37208, USA
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11
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Pollen and bee bread expressed highest anti-inflammatory activities among bee products in chronic inflammation: an experimental study with cotton pellet granuloma in rats. Inflammopharmacology 2023:10.1007/s10787-023-01182-4. [PMID: 36918444 DOI: 10.1007/s10787-023-01182-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 02/28/2023] [Indexed: 03/16/2023]
Abstract
Little is known about the effectiveness of bee products on chronic inflammation. In this experimental study, it was aimed to investigate and compare the anti-inflammatory activities of honey, propolis, royal jelly, pollen and bee bread, for the first time in the literature. In the study, 48 Sprague Dawley female albino rats weighing 200 ± 20 g were used and bee products were administered by oral gavage method. Healthy, control, honey, propolis, pollen, royal jelly and bee bread groups were randomized. Chronic inflammation was created by cotton pellet method. For the treatments, 1 g/kg of honey, 300 mg/kg/day of pollen, 100 mg/kg/day of propolis, 500 mg/kg/day of bee bread and 100 mg/kg/day of royal jelly were given for seven days. One week later, cotton pellets were removed, and the pro-inflammatory and anti-inflammatory cytokine levels of the blood samples were measured and compared statistically. It was found that honey, propolis, pollen, bee bread and royal jelly had statistically significant anti-inflammatory activities and significantly reduced pro-inflammatory cytokine levels (p < 0.001). Among the anti-inflammatory cytokines, pollen, bee bread and propolis were found to increase the levels of IL-4, IL-10 and IL-1RA the most. Among the pro-inflammatory cytokines, pollen, bee bread and propolis were the ones that decreased IL-6 and TNF-α levels the most; Pollen, bee bread and honey were found to decrease IL-1β the most (p < 0.001). It was found that all bee products have significant anti-inflammatory activities. The highest anti-inflammatory activity was found with pollen administration, followed by bee bread and propolis.
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12
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Royal jelly extracellular vesicles promote wound healing by modulating underlying cellular responses. MOLECULAR THERAPY. NUCLEIC ACIDS 2023; 31:541-552. [PMID: 36895953 PMCID: PMC9989319 DOI: 10.1016/j.omtn.2023.02.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 02/10/2023] [Indexed: 02/16/2023]
Abstract
Apis mellifera royal jelly (RJ) is a well-known remedy in traditional medicine around the world and its versatile effects range from antibacterial to anti-inflammatory properties and pro-regenerative properties. As a glandular product, RJ has been shown to contain a substantial number of extracellular vesicles (EVs), and, in this study, we aimed to investigate the extent of involvement of RJEVs in wound healing-associated effects. Molecular analysis of RJEVs verified the presence of exosomal markers such as CD63 and syntenin, and cargo molecules MRJP1, defensin-1, and jellein-3. Furthermore, RJEVs were demonstrated to modulate mesenchymal stem cell (MSC) differentiation and secretome, as well as decrease LPS-induced inflammation in macrophages by blocking the mitogen-activated protein kinase (MAPK) pathway. In vivo studies confirmed antibacterial effects of RJEVs and demonstrated an acceleration of wound healing in a splinted mouse model. This study suggests that RJEVs play a crucial role in the known effects of RJ by modulating the inflammatory phase and cellular response in wound healing. Transfer of RJ into the clinics has been impeded by the high complexity of the raw material. Isolating EVs from the raw RJ decreases the complexity while allowing standardization and quality control, bringing a natural nano-therapy one step closer to the clinics.
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13
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McLoone P, Tabys D, Yunussova S, Zhumbayeva A, Verrall S, Sungurtas J, Austin C, Allwood JW, McDougall GJ. Qualitative phytochemical analysis and in vitro investigation of the immunomodulatory properties of honeys produced in Kazakhstan. Nat Prod Res 2023; 37:996-1001. [PMID: 35815672 DOI: 10.1080/14786419.2022.2095382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Honey is known to have antimicrobial, immunomodulatory and wound healing properties. The biological properties of honey have been attributed to phytochemicals derived from their source plants and research has focused on identifying the bioactive phytochemicals with therapeutic potential. In this study, we determined the ability of 5 honeys from Kazakhstan and manuka honey to stimulate TNF-α and TGF-β production by human keratinocytes. TNF-α and TGF-β levels increased over time in honey treated and untreated keratinocytes, whereas cells treated with sugar solutions that matched those of the honeys had reduced levels of both cytokines. This suggests that the non-sugar phytochemical components of the honeys may have prevented this decrease. Analysis by LC-MS confirmed that the honeys contained a diverse range of phytochemicals. Some phytochemicals e.g. pinobanksin and vanillin were present at different levels across the honey types, whereas other components, e.g. dicarboxylic acids and their glycosides, were abundant in all honeys.
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Affiliation(s)
- Pauline McLoone
- Department of Biomedical Sciences, School of Medicine, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Dina Tabys
- Department of Biomedical Sciences, School of Medicine, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Sofiya Yunussova
- Department of Biomedical Sciences, School of Medicine, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Aizhan Zhumbayeva
- Department of Biomedical Sciences, School of Medicine, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Susan Verrall
- Information and Computational Sciences Department, The James Hutton Institute, Invergowrie, Dundee, Scotland, United Kingdom
| | - Julie Sungurtas
- Plant Biochemistry and Food Quality Group, Environmental and Biochemical Sciences Department, The James Hutton Institute, Invergowrie, Dundee, Scotland, United Kingdom
| | - Ceri Austin
- Plant Biochemistry and Food Quality Group, Environmental and Biochemical Sciences Department, The James Hutton Institute, Invergowrie, Dundee, Scotland, United Kingdom
| | - J William Allwood
- Plant Biochemistry and Food Quality Group, Environmental and Biochemical Sciences Department, The James Hutton Institute, Invergowrie, Dundee, Scotland, United Kingdom
| | - Gordon J McDougall
- Plant Biochemistry and Food Quality Group, Environmental and Biochemical Sciences Department, The James Hutton Institute, Invergowrie, Dundee, Scotland, United Kingdom
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14
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Targeted and Suspect Fatty Acid Profiling of Royal Jelly by Liquid Chromatography—High Resolution Mass Spectrometry. Biomolecules 2023; 13:biom13030424. [PMID: 36979357 PMCID: PMC10046394 DOI: 10.3390/biom13030424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 02/20/2023] [Indexed: 02/27/2023] Open
Abstract
Royal jelly (RJ) is a bee product produced by the mandibular and hypopharyngeal glands of worker honeybees which has attracted special attention because of its numerous pharmacological activities and its applications to dermatology and cosmetics. In 2020, we demonstrated a liquid chromatography–high resolution mass spectrometry (LC–HRMS) method for the determination of seven medium-chain FFAs in RJ samples. The aim of the present work was to extend our studies on FA profiling of RJ, exploring the presence of common long-chain saturated, mono-unsaturated and poly-unsaturated free FAs in RJ samples using this LC–HRMS method. Among twenty common FAs studied by a targeted approach, palmitic acid, stearic acid and oleic acid were found at concentrations higher than the rest of the FAs (the concentrations of these three acids ranged from 37.4 to 48.0, from 17.7 to 24.0 and from 9.4 to 11.1 mg/100 g of fresh RJ, respectively). The high mass accuracy of LC–HRMS allowed the application of a suspect approach, which enabled the exploration of various C9 and C11 FAs, as well as hydroxylated C12 FAs. Nonenoic acid was indicated as the most abundant among these acids. In addition, for the first time, the presence of a variety of regio-isomers of hydroxymyristic, hydroxypalmitic and hydroxystearic acids was demonstrated in RJ samples.
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15
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Inhibition of Skin Pathogenic Bacteria, Antioxidant and Anti-Inflammatory Activity of Royal Jelly from Northern Thailand. Molecules 2023; 28:molecules28030996. [PMID: 36770665 PMCID: PMC9920569 DOI: 10.3390/molecules28030996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/15/2023] [Accepted: 01/16/2023] [Indexed: 01/21/2023] Open
Abstract
Royal jelly is a nutritious substance produced by the hypopharyngeal and mandibular glands of honeybees. Royal jelly possesses many attractive and beneficial properties which make it an ideal component in medical and pharmaceutical products. The antibacterial, antioxidant, and anti-inflammatory activities of royal jelly from honeybees (Apis mellifera) were determined in this study. Moreover, the total phenolic and flavonoid contents of the royal jelly were also evaluated. The effects of royal jelly on growth inhibition against skin pathogenic bacteria, including Cutibacterium acnes, methicillin-resistant Staphylococcus aureus (MRSA), Pseudomonas aeruginosa, Staphylococcus aureus, Staphylococcus epidermidis, and Corynebacterium spp., were investigated by the agar well diffusion method. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were further determined by the broth dilution method. The results indicated that royal jelly showed antibacterial activity by inhibiting the growth of Gram-positive pathogenic bacteria, while the effectiveness decreased against Gram-negative bacteria. Interestingly, royal jelly from Lamphun (RJ-LP1), and Chiang Mai (RJ-CM1), presented high inhibitory efficacy against C. acnes, MRSA, and S. aureus within 4 h by a time killing assay. Furthermore, the anti-inflammatory properties of royal jelly were tested using RAW264.7 macrophage cells, and results revealed that RJ-LP1 and RJ-CM1 could reduce nitric oxide (NO) production and suppress iNOS gene expression. After testing the antioxidant activity, RJ-CM1 and RJ-CM2 of royal jelly from Chiang Mai had the highest level. Additionally, RJ-CM1 also showed the highest total phenolic and flavonoid content. These findings have brought forward new knowledge of the antibacterial, antioxidant, and anti-inflammatory properties of royal jelly, which will improve clinical and pharmaceutical uses of royal jelly as an alternative therapy for bacterial infections, and also as a dietary supplement product.
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16
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Leyva-López N, Gutiérrez-Grijalva EP, Heredia JB, Ramos-Payan R, Contreras-Angulo LA, Gonzalez-Galaviz JR, Rodriguez-Anaya LZ. Antioxidant potential, cytokines regulation, and inflammation-related genes expression of phenolic extracts from Mexican oregano. J Food Biochem 2022; 46:e14440. [PMID: 36169085 DOI: 10.1111/jfbc.14440] [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: 07/29/2022] [Revised: 08/24/2022] [Accepted: 09/15/2022] [Indexed: 01/14/2023]
Abstract
The Mexican population traditionally uses oregano infusions to treat oxidative and inflammation-related disorders. Therefore, this study was focused on the examination of the antioxidant capacity and potential against inflammation from three Mexican oregano species (Lippia graveolens [LG], Lippia palmeri [LP], and Hedeoma patens [HP]). The extracts from LG showed a superior total phenolic content. LG, LP, and HP exhibited a higher capacity to inhibit the radical DPPH (up to 90.33 ± 0.25%) and significantly lowered the release of MCP-1 and IL-6. At the same time, LG and HP increased the secretion of IL-10. Extracts from LG, LP, and HP did not significantly diminish the expression of il-1β or inos, although a slight decrease in inos expression was observed. Our findings support that phenolic extracts from L. graveolens, L. palmeri, and H. patens possess antioxidant and anti-inflammatory properties and might be potential therapeutic candidates against oxidative and inflammation-related diseases. PRACTICAL APPLICATIONS: Oregano species have traditionally been exploited as remedies against inflammatory-related diseases, namely headaches, asthma, bowel disorders, and rheumatism. This study explored the antioxidant potential of three Mexican oregano species (Lippia graveolens, Lippia palmeri, and Hedeoma patens) and their anti-inflammatory effects in a murine cell model. Phenolic extracts from oregano showed antioxidant capacity and exerted activity against inflammation by improving anti-inflammatory cytokines secretion or negatively regulating pro-inflammatory cytokines. The results of our study demonstrate that the phenolic extracts from these Mexican oregano species have the potential in treating inflammation-related diseases.
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Affiliation(s)
- Nayely Leyva-López
- Centro de Investigación en Alimentación y Desarrollo, A.C., Culiacán, Mexico
| | - Erick P Gutiérrez-Grijalva
- Laboratory of Functional Foods and Nutraceuticals, Cátedras CONACYT-Centro de Investigación en Alimentación y Desarrollo, A.C., Culiacán, Mexico
| | - J Basilio Heredia
- Centro de Investigación en Alimentación y Desarrollo, A.C., Culiacán, Mexico
| | - Rosalio Ramos-Payan
- Faculty of Biological and Chemical Sciences, Universidad Autónoma de Sinaloa, Culiacán, Mexico
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17
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Ma C, Ahmat B, Li J. Effect of queen cell numbers on royal jelly production and quality. Curr Res Food Sci 2022; 5:1818-1825. [PMID: 36254242 PMCID: PMC9568691 DOI: 10.1016/j.crfs.2022.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 09/15/2022] [Accepted: 10/10/2022] [Indexed: 10/31/2022] Open
Abstract
Royal jelly (RJ) is a popular functional food with a wealth of health-promoting effects. Over 90% of the global RJ is produced in China mainly by a high RJ-producing honeybee (RJB) strain that can accept and feed a great number of queen larvae for RJ production. To elucidate RJ changes due to queen cell numbers (QCNs), we compared the yield, larval acceptance rate, metabolic and proteomic profiles, and antioxidant activities of RJ from 1 to 5 strips of queen cells (64 per strip) in RJB colonies. As QCNs increased, the larval acceptance rate was not found to vary (p = 0.269) whereas the RJ weight per cell began to significantly decline in the 5-strip colonies (p < 0.05). Increased QCNs had a profound impact on RJ metabolic profiles and mainly reduced fatty acid levels. Remarkably, the 10-hydroxy-2-decenoic acid (10-HDA) content, a most important indicator of RJ quality, declined gradually from 2.01% in the 1-strip colonies to 1.52% in the 5-strip colonies (p < 0.001). RJ proteomic profiles were minimally altered and antioxidant activities were not significantly changed by QCNs. Collectively, the metabolomics and proteomics data and the antioxidant activity test represent a global evaluation of the quality of RJ produced with different QCNs. Our findings gain new insights into higher-quality RJ production using the high-yielding RJBs.
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Affiliation(s)
| | | | - Jianke Li
- Corresponding author. No. 2 Yuanmingyuan West Road, Haidian District, Beijing, China.
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18
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Organic acids and their derivatives: minor components of bee pollen, bee bread, royal jelly and bee venom. Eur Food Res Technol 2022. [DOI: 10.1007/s00217-022-04110-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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19
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Wang J, Yin Y, Xu N, Zhou B, Qin T. Royal jelly attenuates LPS-induced immune dysfunction of dendritic cells via Nrf2/HO-1 axis. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022] Open
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20
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Shibahara I, Shibahara Y, Hagiwara H, Watanabe T, Orihashi Y, Handa H, Inukai M, Hide T, Yasui Y, Kumabe T. Ventricular opening and cerebrospinal fluid circulation accelerate the biodegradation process of carmustine wafers suggesting their immunomodulation potential in the human brain. J Neurooncol 2022; 159:425-435. [PMID: 35802230 DOI: 10.1007/s11060-022-04078-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 06/25/2022] [Indexed: 11/28/2022]
Abstract
PURPOSE Opening the ventricular system during glioblastoma surgery is often necessary, but the consequent effect on the tumor microenvironment of glioblastoma remains unknown. Implantation of carmustine wafer enables direct drug delivery to the tumor site; however, the exact mechanism of the wafer's biodegradation process is unclear, and the available data is limited to in vivo non-human mammalian studies. We hypothesized that the ventricular opening affects the degradation process of the wafer and the glioblastoma tumor microenvironment. METHODS This study included 30 glioblastoma patients. 21 patients underwent carmustine wafer implantation during initial surgery. All patients underwent repeated surgical resection upon recurrence, allowing for pathological comparison of changes associated with wafer implantation. Immunohistochemical analyses were performed using CD68, TMEM119, CD163, IBA1, BIN1, and CD31 antibodies to highlight microglia, macrophages, and tumor vascularity, and the quantitative scoring results were correlated with clinical, molecular, and surgical variables, including the effect of the ventricular opening. RESULTS The carmustine wafer implanted group presented significantly less TMEM119-positive microglia within the tumor (P = 0.0002). Simple and multiple regression analyses revealed that the decrease in TMEM119-positive microglia was correlated with longer intervals between surgeries and opened ventricular systems. No correlation was observed between age, methylated O6-methylguanine DNA methyltransferase promoter expression, and the extent of surgical resection. CONCLUSIONS Our study findings strongly suggest that biomaterials may possess immunomodulation capacity, which is significantly impacted by the ventricular opening procedure. Furthermore, our data highlights the pathophysiological effects of the ventricular opening within the surrounding human brain, especially after the wafer implantation.
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Affiliation(s)
- Ichiyo Shibahara
- Department of Neurosurgery, Kitasato University School of Medicine, 1-15-1 Kitasato Minami-ku, Sagamihara, Kanagawa, 252-0374, Japan.
| | - Yukiko Shibahara
- Department of Pathology, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan
| | - Hiroyuki Hagiwara
- Department of Neurosurgery, Yamato Municipal Hospital, Yamato, Kanagawa, Japan
| | - Takashi Watanabe
- Department of General Internal Medicine, JCHO Sendai Hospital, Sendai, Miyagi, Japan
| | - Yasushi Orihashi
- Division of Clinical Research, Kitasato University Hospital, Sagamihara, Kanagawa, Japan
| | - Hajime Handa
- Department of Neurosurgery, Kitasato University School of Medicine, 1-15-1 Kitasato Minami-ku, Sagamihara, Kanagawa, 252-0374, Japan
| | - Madoka Inukai
- Department of Neurosurgery, Kitasato University School of Medicine, 1-15-1 Kitasato Minami-ku, Sagamihara, Kanagawa, 252-0374, Japan.,Department of Pathology, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan
| | - Takuichiro Hide
- Department of Neurosurgery, Kitasato University School of Medicine, 1-15-1 Kitasato Minami-ku, Sagamihara, Kanagawa, 252-0374, Japan
| | - Yoshie Yasui
- Department of Neurosurgery, Kitasato University School of Medicine, 1-15-1 Kitasato Minami-ku, Sagamihara, Kanagawa, 252-0374, Japan
| | - Toshihiro Kumabe
- Department of Neurosurgery, Kitasato University School of Medicine, 1-15-1 Kitasato Minami-ku, Sagamihara, Kanagawa, 252-0374, Japan
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21
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Paredes-Barquero M, Niso-Santano M, Fuentes JM, Martínez-Chacón G. In vitro and in vivo models to study the biological and pharmacological properties of queen bee acid (QBA, 10-hydroxy-2-decenoic acid): A systematic review. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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22
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Fan P, Sha F, Ma C, Wei Q, Zhou Y, Shi J, Fu J, Zhang L, Han B, Li J. 10-Hydroxydec-2-Enoic Acid Reduces Hydroxyl Free Radical-Induced Damage to Vascular Smooth Muscle Cells by Rescuing Protein and Energy Metabolism. Front Nutr 2022; 9:873892. [PMID: 35711556 PMCID: PMC9196250 DOI: 10.3389/fnut.2022.873892] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 04/08/2022] [Indexed: 12/22/2022] Open
Abstract
10-Hydroxydec-2-enoic acid (10-HDA), an unsaturated hydroxyl fatty acid from the natural food royal jelly, can protect against cell and tissue damage, yet the underlying mechanisms are still unexplored. We hypothesized that the neutralization of the hydroxyl free radical (•OH), the most reactive oxygen species, is an important factor underlying the cytoprotective effect of 10-HDA. In this study, we found that the •OH scavenging rate by 10-HDA (2%, g/ml) was more than 20%, which was achieved through multiple-step oxidization of the -OH group and C=C bond of 10-HDA. Moreover, 10-HDA significantly enhanced the viability of vascular smooth muscle cells (VSMCs) damaged by •OH (P < 0.01), significantly attenuated •OH-derived malondialdehyde production that represents cellular lipid peroxidation (P < 0.05), and significantly increased the glutathione levels in •OH-stressed VSMCs (P < 0.05), indicating the role of 10-HDA in reducing •OH-induced cytotoxicity. Further proteomic analyses of VSMCs identified 195 proteins with decreased expression by •OH challenge that were upregulated by 10-HDA rescue and were primarily involved in protein synthesis (such as translation, protein transport, ribosome, and RNA binding) and energy metabolism (such as fatty acid degradation and glycolysis/gluconeogenesis). Taken together, these findings indicate that 10-HDA can effectively promote cell survival by antagonizing •OH-induced injury in VSMCs. To the best of our knowledge, our results provide the first concrete evidence that 10-HDA-scavenged •OH could be a potential pharmacological application for maintaining vascular health.
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Affiliation(s)
- Pei Fan
- Institute of Apicultural Research/Key Laboratory of Pollinating Insect Biology, Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, China.,College of Biological Engineering, Henan University of Technology, Zhengzhou, China
| | - Fangfang Sha
- College of Biological Engineering, Henan University of Technology, Zhengzhou, China
| | - Chuan Ma
- Institute of Apicultural Research/Key Laboratory of Pollinating Insect Biology, Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Qiaohong Wei
- Institute of Apicultural Research/Key Laboratory of Pollinating Insect Biology, Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yaqi Zhou
- College of Biological Engineering, Henan University of Technology, Zhengzhou, China
| | - Jing Shi
- College of Biological Engineering, Henan University of Technology, Zhengzhou, China
| | - Jiaojiao Fu
- College of Biological Engineering, Henan University of Technology, Zhengzhou, China
| | - Lu Zhang
- College of Biological Engineering, Henan University of Technology, Zhengzhou, China
| | - Bin Han
- Institute of Apicultural Research/Key Laboratory of Pollinating Insect Biology, Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jianke Li
- Institute of Apicultural Research/Key Laboratory of Pollinating Insect Biology, Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, China
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23
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Zhang SS, Liu M, Liu DN, Shang YF, Wang YH, Du GH. ST2825, a Small Molecule Inhibitor of MyD88, Suppresses NF-κB Activation and the ROS/NLRP3/Cleaved Caspase-1 Signaling Pathway to Attenuate Lipopolysaccharide-Stimulated Neuroinflammation. Molecules 2022; 27:molecules27092990. [PMID: 35566338 PMCID: PMC9106063 DOI: 10.3390/molecules27092990] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 05/01/2022] [Accepted: 05/03/2022] [Indexed: 02/04/2023] Open
Abstract
Neuroinflammation characterized by microglia activation is the mechanism of the occurrence and development of various central nervous system diseases. ST2825, as a peptide-mimetic MyD88 homodimerization inhibitor, has been identified as crucial molecule with an anti-inflammatory role in several immune cells, especially microglia. The purpose of the study was to investigate the anti-neuroinflammatory effects and the possible mechanism of ST2825. Methods: Lipopolysaccharide (LPS) was used to stimulate neuroinflammation in male BALB/c mice and BV2 microglia cells. The NO level was determined by Griess Reagents. The levels of pro-inflammatory cytokines and chemokines were determined by ELISA. The expressions of inflammatory proteins were determined by real-time PCR and Western blotting analysis. The level of ROS was detected by DCFH-DA staining. Results: In vivo, the improved levels of LPS-induced pro-inflammatory factors, including TNF-α, IL-6, IL-1β, MCP-1 and ICAM-1 in the cortex and hippocampus, were reduced after ST2825 treatment. In vitro, the levels of LPS-induced pro-inflammatory factors, including NO, TNF-α, IL-6, IL-1β, MCP-1, iNOS, COX2 and ROS, were remarkably decreased after ST2825 treatment. Further research found that the mechanism of its anti-neuroinflammatory effects appeared to be associated with inhibition of NF-κB activation and down-regulation of the NLRP3/cleaved caspase-1 signaling pathway. Conclusions: The current findings provide new insights into the activity and molecular mechanism of ST2825 for the treatment of neuroinflammation.
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Affiliation(s)
- Shan-Shan Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China; (S.-S.Z.); (M.L.); (D.-N.L.); (Y.-F.S.)
- Beijing Key Laboratory of Drug Target Identification and New Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Man Liu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China; (S.-S.Z.); (M.L.); (D.-N.L.); (Y.-F.S.)
- Beijing Key Laboratory of Drug Target Identification and New Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Dong-Ni Liu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China; (S.-S.Z.); (M.L.); (D.-N.L.); (Y.-F.S.)
- Beijing Key Laboratory of Drug Target Identification and New Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yu-Fu Shang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China; (S.-S.Z.); (M.L.); (D.-N.L.); (Y.-F.S.)
- Beijing Key Laboratory of Drug Target Identification and New Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yue-Hua Wang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China; (S.-S.Z.); (M.L.); (D.-N.L.); (Y.-F.S.)
- Beijing Key Laboratory of Drug Target Identification and New Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
- Correspondence: (Y.-H.W.); (G.-H.D.)
| | - Guan-Hua Du
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China; (S.-S.Z.); (M.L.); (D.-N.L.); (Y.-F.S.)
- Beijing Key Laboratory of Drug Target Identification and New Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
- Correspondence: (Y.-H.W.); (G.-H.D.)
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Bee Products: A Representation of Biodiversity, Sustainability, and Health. Life (Basel) 2021; 11:life11090970. [PMID: 34575119 PMCID: PMC8464958 DOI: 10.3390/life11090970] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 09/06/2021] [Accepted: 09/09/2021] [Indexed: 12/14/2022] Open
Abstract
Biodiversity strengthens the productivity of any ecosystem (agricultural land, forest, lake, etc.). The loss of biodiversity contributes to food and energy insecurity; increases vulnerability to natural disasters, such as floods or tropical storms; and decreases the quality of both life and health. Wild and managed bees play a key role in maintaining the biodiversity and in the recovery and restoration of degraded habitats. The novelty character of this perspective is to give an updated representation of bee products’ biodiversity, sustainability, and health relationship. The role of bees as bioindicators, their importance in the conservation of biodiversity, their ecosystem services, and the variety of the bee products are described herein. An overview of the main components of bee products, their biological potentials, and health is highlighted and detailed as follows: (i) nutritional value of bee products, (ii) bioactive profile of bee products and the related beneficial properties; (iii) focus on honey and health through a literature quantitative analysis, and (iv) bee products explored through databases. Moreover, as an example of the interconnection between health, biodiversity, and sustainability, a case study, namely the “Cellulose Park”, realized in Rome (Italy), is presented here. This case study highlights how bee activities can be used to assess and track changes in the quality of agricultural ecosystems—hive products could be valid indicators of the quality and health of the surrounding environment, as well as the changes induced by the biotic and abiotic factors that impact the sustainability of agricultural production and biodiversity conservation in peri-urban areas.
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Shahla J, Dariush H, Bijan SM, Majid E, Zahra A, Bahman Y. Comparative immunomodulatory effects of jelly royal and 10-H2DA on experimental autoimmune encephalomyelitis. GENE REPORTS 2021. [DOI: 10.1016/j.genrep.2021.101217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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26
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Enrique AV, Di Ianni ME, Goicoechea S, Lazarowski A, Valle-Dorado MG, Costa JJL, Rocha L, Girardi E, Talevi A. New anticonvulsant candidates prevent P-glycoprotein (P-gp) overexpression in a pharmacoresistant seizure model in mice. Epilepsy Behav 2021; 121:106451. [PMID: 31420290 DOI: 10.1016/j.yebeh.2019.106451] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 07/17/2019] [Accepted: 07/19/2019] [Indexed: 01/04/2023]
Abstract
Despite the approval of a considerable number of last generation antiepileptic drugs (AEDs) (only in the last decade, six drugs have gained Food and Drug Administration approval), the global figures of seizure control have seemingly not improved, and available AED can still be regarded as symptomatic treatments. Fresh thinking in AEDs drug discovery, including the development of drugs with novel mechanisms of action, is required to achieve truly innovative antiepileptic medications. The transporter hypothesis proposes that inadequate penetration of AEDs across the blood-brain barrier, caused by increased expression of efflux transporters such as P-glycoprotein (P-gp), contributes to drug-resistant epilepsy. Neuroinflammation due to high levels of glutamate has been identified as one of the causes of P-gp upregulation, and several studies in animal models of epilepsy suggest that antiinflammatory drugs might prevent P-gp overexpression and, thus, avoid the development of refractory epilepsy. We have applied ligand-based in silico screening to select compounds that exert dual anticonvulsant and antiinflammatory effects. Five of the hits were tested in animal models of seizure, with protective effects. Later, two of them (sebacic acid (SA) and gamma-decanolactone) were submitted to the recently described MP23 model of drug-resistant seizures. All in all, SA displayed the best profile, showing activity in the maximal electroshock seizure (MES) and pentylenetetrazol (PTZ) seizure models, and reversing resistance to phenytoin (PHT) and decreasing the P-gp upregulation in the MP23 model. Furthermore, pretreatment with SA in the pilocarpine status epilepticus (SE) model resulted in decreased histamine release in comparison with nontreated animals. This is the first report of the use of the MP23 model to screen for novel anticonvulsant compounds that may avoid the development of P-gp-related drug resistance.
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Affiliation(s)
- Andrea Verónica Enrique
- Laboratorio de Investigación y Desarrollo de Bioactivos (LIDeB), Departamento de Ciencias Biologicas, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP), 47 y115, La Plata B1900BJW, Argentina
| | - Mauricio Emiliano Di Ianni
- Laboratorio de Investigación y Desarrollo de Bioactivos (LIDeB), Departamento de Ciencias Biologicas, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP), 47 y115, La Plata B1900BJW, Argentina
| | - Sofía Goicoechea
- Laboratorio de Investigación y Desarrollo de Bioactivos (LIDeB), Departamento de Ciencias Biologicas, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP), 47 y115, La Plata B1900BJW, Argentina
| | - Alberto Lazarowski
- Instituto de Fisiopatología y Bioquímica Clínica (INFIBIOC), Facultad de Farmacia y Bioquímica (FFyB), Universidad de Buenos Aires (UBA,) Junín 956, C1113AAD CABA, Argentina
| | | | - Juan José López Costa
- Departamento de Biología Celular, Histología, Embriología y Genética, Facultad de Medicina, Universidad de Buenos Aires (UBA) / Instituto de Biología Celular y Neurociencia "Prof. E. De Robertis" (IBCN), CONICET-Universidad de Buenos Aires, Paraguay 2155, C1121ABG, Buenos Aires, Argentina
| | - Luisa Rocha
- Department of Pharmacobiology, Center for Research and Advanced Studies (CINVESTAV), Mexico City, Mexico
| | - Elena Girardi
- Departamento de Biología Celular, Histología, Embriología y Genética, Facultad de Medicina, Universidad de Buenos Aires (UBA) / Instituto de Biología Celular y Neurociencia "Prof. E. De Robertis" (IBCN), CONICET-Universidad de Buenos Aires, Paraguay 2155, C1121ABG, Buenos Aires, Argentina
| | - Alan Talevi
- Laboratorio de Investigación y Desarrollo de Bioactivos (LIDeB), Departamento de Ciencias Biologicas, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP), 47 y115, La Plata B1900BJW, Argentina.
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Yamaga M, Imada T, Tani H, Nakamura S, Yamaki A, Tsubota K. Acetylcholine and Royal Jelly Fatty Acid Combinations as Potential Dry Eye Treatment Components in Mice. Nutrients 2021; 13:2536. [PMID: 34444696 PMCID: PMC8399524 DOI: 10.3390/nu13082536] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/21/2021] [Accepted: 07/22/2021] [Indexed: 11/16/2022] Open
Abstract
Dry eye is a multifactorial disease characterized by ocular discomfort and visual impairment. Our previous studies have shown that royal jelly (RJ) has restored the capacity for tear secretion by modulating muscarinic calcium signaling. RJ contains acetylcholine, which is a major cholinergic neurotransmitter, and a unique set of fatty acids with C 8 to 12 chains, which are expected to be associated with health benefits. The purpose of the present study was to investigate the active components involved in tear secretion capacity, focusing on acetylcholine and fatty acids in RJ. Using the stress-induced dry-eye model mice, it was confirmed that acetylcholine with three fatty acids (10-hydroxydecanoic acid, 8-hydroxyoctanoic acid, and (R)-3,10-dihydroxydecanoic acid) was essential for tear secretion. In ex vivo Ca2+ imaging, these three fatty acids suppressed the decrease in intracellular modulation of Ca2+ in the lacrimal gland by acetylcholine when treated with acetylcholinesterase, indicating that the specific type of RJ fatty acids contributed to the stability of acetylcholine. To our knowledge, this study is the first to confirm that a specific compound combination is important for the pharmacological activities of RJ. Our results elucidate the active molecules and efficacy mechanisms of RJ.
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Affiliation(s)
- Masayuki Yamaga
- Institute for Bee Products and Health Science, Yamada Bee Company, Inc., Okayama 708-0393, Japan; (M.Y.); (H.T.); (A.Y.)
| | - Toshihiro Imada
- Department of Ophthalmology, School of Medicine, Keio University, Tokyo 160-8582, Japan; (T.I.); (S.N.)
| | - Hiroko Tani
- Institute for Bee Products and Health Science, Yamada Bee Company, Inc., Okayama 708-0393, Japan; (M.Y.); (H.T.); (A.Y.)
| | - Shigeru Nakamura
- Department of Ophthalmology, School of Medicine, Keio University, Tokyo 160-8582, Japan; (T.I.); (S.N.)
| | - Ayanori Yamaki
- Institute for Bee Products and Health Science, Yamada Bee Company, Inc., Okayama 708-0393, Japan; (M.Y.); (H.T.); (A.Y.)
| | - Kazuo Tsubota
- Department of Ophthalmology, School of Medicine, Keio University, Tokyo 160-8582, Japan; (T.I.); (S.N.)
- Tsubota Laboratory, Inc., Shinjuku-ku, Tokyo 160-0016, Japan
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The Effects of Royal Jelly Acid, 10-Hydroxy-trans-2-decenoic Acid, on Neuroinflammation and Oxidative Stress in Astrocytes Stimulated with Lipopolysaccharide and Hydrogen Peroxide. IMMUNO 2021. [DOI: 10.3390/immuno1030013] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
The increased prevalence of neurodegenerative diseases, especially during the COVID-19 outbreak, necessitates the search for natural immune- and cognitive-enhancing agents. 10-Hydroxy-trans-2-decenoic acid (10-H2DA), the main fatty acid of royal jelly, has several pharmacological activities. Given the fundamental role of astrocytes in regulating immune responses of the central nervous system, we used cortical astrocytes to examine the effect of 10-H2DA on the expression of genes associated with neuroinflammation and the production of neurotrophins, as well as cellular resistance to H2O2-induced cytotoxicity. Astrocytes, pretreated with a range of concentrations of 10-H2DA for 24 h, were exposed to lipopolysaccharide (LPS) for 3 h, after which the expression of proinflammatory cytokines (IL-1β, IL-6, and tumor necrosis factor-α (TNF-α)) and neurotrophic factors (BDNF, GDNF, and IGF-1) was evaluated. In the absence of LPS, 10-H2DA had no significant effect on the mRNA expression of neurotrophins or cytokines except for IL-1β, which significantly increased with low doses of 10-H2DA (3 µM). 10-H2DA (10 µM) pretreatment of LPS-stimulated cells did not significantly inhibit the expression of cytokine encoding genes; however, it significantly lowered the mRNA expression of GDNF and tended to decrease BDNF and IGF-1 expression compared with LPS alone. Additionally, 10-H2DA did not protect astrocytes against H2O2-induced oxidative stress. Our data indicate no anti-inflammatory, antioxidant, or neurotrophic effect of 10-H2DA in astrocytes undergoing inflammation or oxidative stress. The effect of IGF-1 inhibition by 10-H2DA on neuronal ketogenesis needs investigation.
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Perminaite K, Marksa M, Stančiauskaitė M, Juknius T, Grigonis A, Ramanauskiene K. Formulation of Ocular In Situ Gels with Lithuanian Royal Jelly and Their Biopharmaceutical Evaluation In Vitro. Molecules 2021; 26:3552. [PMID: 34200887 PMCID: PMC8230528 DOI: 10.3390/molecules26123552] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 06/07/2021] [Accepted: 06/07/2021] [Indexed: 12/20/2022] Open
Abstract
Royal jelly is a natural substance produced by worker bees that possesses a variety of biological activities, including antioxidant, anti-inflammatory, antibacterial, and protective. Although fresh royal jelly is kept at low temperatures, to increase its stability, it needs to be incorporated into pharmaceutical formulations, such as in situ gels. The aim of this study was to formulate in situ ocular gels containing Lithuanian royal jelly for topical corneal use in order to increase the retention time of the formulation on the ocular surface and bioavailability. Gels were evaluated for physicochemical characteristics (pH, rheological properties, refractive index) and in vitro drug release measuring the amount of 10-hydroxy-2-decenoic acid (10-HDA). An ocular irritation test and cell viability tests were performed using the SIRC (Statens Seruminstitut Rabbit Cornea) cell culture line. Results indicated that all the in situ gels were within an acceptable pH and refractive index range close to corneal properties. Rheology studies have shown that the gelation temperature varies between 25 and 32 °C, depending on the amount of poloxamers. The release studies have shown that the release of 10-HDA from in situ gels is more sustained than royal jelly suspension. All gel formulations were non-irritant according to the short-time exposure test (STE) using the SIRC cell culture line, and long-term cell viability studies indicated that the formulations used in small concentrations did not induce cell death. Prepared in situ gels containing royal jelly have potential for ocular drug delivery, and they may improve the bioavailability, stability of royal jelly, and formation of non-irritant ocular formulations.
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Affiliation(s)
- Kristina Perminaite
- Department of Clinical Pharmacy, Faculty of Pharmacy, Lithuanian University of Health Sciences, Sukileliai Ave. 13, 50162 Kaunas, Lithuania; (M.S.); (K.R.)
- Faculty of Pharmacy, Institute of Pharmaceutical Technologies, Lithuanian University of Health Sciences, Sukileliai Ave. 13, 50162 Kaunas, Lithuania
| | - Mindaugas Marksa
- Department of Analytical and Toxicological Chemistry, Lithuanian University of Health Sciences, Sukileliai Ave. 13, 50162 Kaunas, Lithuania;
| | - Monika Stančiauskaitė
- Department of Clinical Pharmacy, Faculty of Pharmacy, Lithuanian University of Health Sciences, Sukileliai Ave. 13, 50162 Kaunas, Lithuania; (M.S.); (K.R.)
| | - Tadas Juknius
- Faculty of Veterinary Medicine, Institute of Microbiology and Virology, Lithuanian University of Health Sciences, Tilzes Str. 18, 47181 Kaunas, Lithuania;
| | - Aidas Grigonis
- Dr. L. Kriaučeliūnas Small Animal Clinic, Veterinary Academy, Lithuanian University of Health Sciences, Tilzes Str. 18, 47181 Kaunas, Lithuania;
| | - Kristina Ramanauskiene
- Department of Clinical Pharmacy, Faculty of Pharmacy, Lithuanian University of Health Sciences, Sukileliai Ave. 13, 50162 Kaunas, Lithuania; (M.S.); (K.R.)
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Matuszewska E, Klupczynska A, Maciołek K, Kokot ZJ, Matysiak J. Multielemental Analysis of Bee Pollen, Propolis, and Royal Jelly Collected in West-Central Poland. Molecules 2021; 26:2415. [PMID: 33919229 PMCID: PMC8122449 DOI: 10.3390/molecules26092415] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/14/2021] [Accepted: 04/19/2021] [Indexed: 12/16/2022] Open
Abstract
Beehive products possess nutritional value and health-promoting properties and are recommended as so-called "superfoods". However, because of their natural origin, they may contain relevant elemental contaminants. Therefore, to assess the quality of bee products, we examined concentrations of a broad range of 24 selected elements in propolis, bee pollen, and royal jelly. The quantitative analyses were performed with inductively coupled plasma-mass spectrometry (ICP-MS) and inductively coupled plasma optical emission spectrometry (ICP-OES) techniques. The results of our research indicate that bee products contain essential macronutrients (i.e., K, P, and S) and micronutrients (i.e., Zn and Fe) in concentrations depending on the products' type. However, the presence of toxic heavy metals makes it necessary to test the quality of bee products before using them as dietary supplements. Bearing in mind that bee products are highly heterogenous and, depending on the environmental factors, differ in their elemental content, it is necessary to develop standards regulating the acceptable levels of inorganic pollutants. Furthermore, since bees and their products are considered to be an effective biomonitoring tool, our results may reflect the environment's condition in west-central Poland, affecting the health and well-being of both humans and bees.
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Affiliation(s)
- Eliza Matuszewska
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6 Street, 60-780 Poznań, Poland; (E.M.); (A.K.)
| | - Agnieszka Klupczynska
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6 Street, 60-780 Poznań, Poland; (E.M.); (A.K.)
| | | | - Zenon J. Kokot
- Faculty of Health Sciences, Calisia University, 13 Street, 62-800 Kalisz, Poland;
| | - Jan Matysiak
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6 Street, 60-780 Poznań, Poland; (E.M.); (A.K.)
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Wang Z, Ren P, Wu Y, He Q. Recent advances in analytical techniques for the detection of adulteration and authenticity of bee products - A review. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2021; 38:533-549. [PMID: 33705260 DOI: 10.1080/19440049.2020.1871081] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Bee products have been considered as functional foods for a long time in China because of their wide range of biological activity. China has the largest number of bee colonies and the highest production of bee products in the world. Major bee products include honey, royal jelly, propolis and bee pollen. In recent years, consumption of bee products in China has been increasing due to an increased public awareness of their nutritional and health benefits. With the development of the Chinese economy and the improvement of people's living standards, high-end and gift-oriented products have become more popular and bee products are one of the options. However, the production of bee products cannot increase rapidly in short term and this is a driver for substantial economic-motivated adulteration. This is compounded by globalisation of supply chains which has also resulted in a rise in bee products fraud. These illicit products are eroding market prices and consumer trust, causing significant damage to the beekeeping industry. In order to provide information or solutions for regulators and consumers, in this article, we review he characteristics of bee products in China and the current situation regarding adulteration and authenticity of bee products. Moreover, advances in analytical techniques for detection of adulteration and authenticity of bee products including sensory techniques, DNA methods, isotope ratio mass spectrometry, spectroscopic techniques and mass spectrometry are reviewed. Finally, the applications and limitations of analytical methods in authentication are critically assessed. Suggestions are also put forward for the future management of China's bee products industry.
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Affiliation(s)
- Ziying Wang
- Department of Food Science and Engineering, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Pingping Ren
- Applied, Industrial and Clinical Division, Bruker Biospin GmbH, Rheinstetten, Germany
| | - Yongning Wu
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing, China
| | - Qinghua He
- Department of Food Science and Engineering, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
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Collazo N, Carpena M, Nuñez-Estevez B, Otero P, Simal-Gandara J, Prieto MA. Health Promoting Properties of Bee Royal Jelly: Food of the Queens. Nutrients 2021; 13:543. [PMID: 33562330 PMCID: PMC7915653 DOI: 10.3390/nu13020543] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/01/2021] [Accepted: 02/03/2021] [Indexed: 02/08/2023] Open
Abstract
Royal jelly (RJ) demand is growing every year and so is the market for functional foods in general. RJ is formed by different substances, mainly carbohydrates, proteins, and lipids, but also vitamins, minerals, and phenolic or volatile compounds in lower proportion. Major royal jelly proteins (MRJP) are, together with 10-hydroxy-2-decenoic acid (10-HDA), key substances of RJ due to their different biological properties. In particular, 10-HDA is a unique substance in this product. RJ has been historically employed as health enhancer and is still very relevant in China due to the traditional medicine and the apitherapy. Nowadays, it is mainly consumed as a functional food or is found in supplements and other formulations for its health-beneficial properties. Within these properites, anti-lipidemic, antioxidant, antiproliferative, antimicrobial, neuroprotective, anti-inflammatory, immunomodulatory, antiaging, and estrogenic activities have been reported for RJ or its specific components. This manuscript is aimed at reviewing the current knowledge on RJ components, their assessment in terms of authenticity, their biological activities, and related health applications.
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Affiliation(s)
- Nicolas Collazo
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E32004 Ourense, Spain; (N.C.); (M.C.); (B.N.-E.); (P.O.)
| | - Maria Carpena
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E32004 Ourense, Spain; (N.C.); (M.C.); (B.N.-E.); (P.O.)
| | - Bernabe Nuñez-Estevez
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E32004 Ourense, Spain; (N.C.); (M.C.); (B.N.-E.); (P.O.)
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - Paz Otero
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E32004 Ourense, Spain; (N.C.); (M.C.); (B.N.-E.); (P.O.)
| | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E32004 Ourense, Spain; (N.C.); (M.C.); (B.N.-E.); (P.O.)
| | - Miguel A. Prieto
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E32004 Ourense, Spain; (N.C.); (M.C.); (B.N.-E.); (P.O.)
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
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10-HDA Induces ROS-Mediated Apoptosis in A549 Human Lung Cancer Cells by Regulating the MAPK, STAT3, NF- κB, and TGF- β1 Signaling Pathways. BIOMED RESEARCH INTERNATIONAL 2020; 2020:3042636. [PMID: 33376719 PMCID: PMC7744184 DOI: 10.1155/2020/3042636] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 11/18/2020] [Accepted: 11/22/2020] [Indexed: 01/19/2023]
Abstract
10-Hydroxy-2-decenoic acid (10-HDA), also known as royal jelly acid, has a variety of physiological functions, and recent studies have shown that it also has anticancer effects. However, its anticancer mechanisms have not been clearly defined. In this study, we investigated the underlying mechanisms of 10-HDA in A549 human lung cancer cells. We used Cell Counting Kit-8 assay, scratch wound healing assay, flow cytometry, and western blot analysis to investigate its apoptotic effects and underlying mechanism. Our results showed that 10-HDA inhibited the proliferation of three types of human lung cancer cells and had no significant toxic effects on normal cells. Accompanying reactive oxygen species (ROS), 10-HDA induced A549 cell apoptosis by regulating mitochondrial-associated apoptosis, and caused cell cycle arrest at the G0/G1 phase in a time-dependent manner. Meanwhile, 10-HDA also regulated mitogen-activated protein kinase (MAPK), signal transducer and activator of transcription 3 (STAT3), and nuclear factor kappa B (NF-κB) signaling pathways by increasing the expression levels of phosphorylated c-Jun N-terminal kinase, p-p38, and I-κB, and additionally, by decreasing the expression levels of phosphorylated extracellular signal-regulated kinase, p-STAT3, and NF-κB. These effects were blocked by MAPK inhibitors and N-acetyl-L-cysteine. Furthermore, 10-HDA inhibited cell migration by regulating transforming growth factor beta 1 (TGF-β1), SNAI1, GSK-3β, E-cadherin, N-cadherin, and vimentin. Taken together, the results of this study showed that 10-HDA induced cell cycle arrest and apoptosis in A549 human lung cancer cells through ROS-mediated MAPK, STAT3, NF-κB, and TGF-β1 signaling pathways. Therefore, 10-HDA may be a potential therapy for human lung cancer.
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Ali AM, Kunugi H. Apitherapy for Parkinson's Disease: A Focus on the Effects of Propolis and Royal Jelly. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:1727142. [PMID: 33123309 PMCID: PMC7586183 DOI: 10.1155/2020/1727142] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 08/27/2020] [Accepted: 10/05/2020] [Indexed: 02/08/2023]
Abstract
The vast increase of world's aging populations is associated with increased risk of age-related neurodegenerative diseases such as Parkinson's disease (PD). PD is a widespread disorder characterized by progressive loss of dopaminergic neurons in the substantia nigra, which encompasses a wide range of debilitating motor, emotional, cognitive, and physical symptoms. PD threatens the quality of life of millions of patients and their families. Additionally, public welfare and healthcare systems are burdened with its high cost of care. Available treatments provide only a symptomatic relief and produce a trail of noxious side effects, which increase noncompliance. Hence, researchers have recently focused on the use of nutraceuticals as safe adjunctive treatments of PD to limit its progress and associated damages in affected groups. Propolis is a common product of the beehive, which possesses a large number of therapeutic properties. Royal jelly (RJ) is a bee product that is fed to bee queens during their entire life, and it contributes to their high physical fitness, fertility, and long lifespan. Evidence suggests that propolis and RJ can promote health by preventing the occurrence of age-related debilitating diseases. Therefore, they have been used to treat various serious disorders such as diabetes mellitus, cardiovascular diseases, and cancer. Some evolving studies used these bee products to treat PD in animal models. However, a clear understanding of the collective effect of propolis and RJ as well as their mechanism of action in PD is lacking. This review evaluates the available literature for the effects of propolis and RJ on PD. Whenever possible, it elaborates on the underlying mechanisms through which they function in this disorder and offers insights for fruitful use of bee products in future clinical trials.
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Affiliation(s)
- Amira Mohammed Ali
- Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
- Department of Psychiatric Nursing and Mental Health, Faculty of Nursing, Alexandria University, Alexandria, Egypt
| | - Hiroshi Kunugi
- Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
- Department of Psychiatry, Teikyo University School of Medicine, Tokyo, Japan
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Apitherapy for Age-Related Skeletal Muscle Dysfunction (Sarcopenia): A Review on the Effects of Royal Jelly, Propolis, and Bee Pollen. Foods 2020; 9:foods9101362. [PMID: 32992744 PMCID: PMC7601109 DOI: 10.3390/foods9101362] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 09/21/2020] [Accepted: 09/22/2020] [Indexed: 12/11/2022] Open
Abstract
The global pandemic of sarcopenia, skeletal muscle loss and weakness, which prevails in up to 50% of older adults is increasing worldwide due to the expansion of aging populations. It is now striking young and midlife adults as well because of sedentary lifestyle and increased intake of unhealthy food (e.g., western diet). The lockdown measures and economic turndown associated with the current outbreak of Coronavirus Disease 2019 (COVID-19) are likely to increase the prevalence of sarcopenia by promoting sedentarism and unhealthy patterns of eating. Sarcopenia has multiple detrimental effects including falls, hospitalization, disability, and institutionalization. Although a few pharmacological agents (e.g., bimagrumab, sarconeos, and exercise mimetics) are being explored in different stages of trials, not a single drug has been approved for sarcopenia treatment. Hence, research has focused on testing the effect of nutraceuticals, such as bee products, as safe treatments to prevent and/or treat sarcopenia. Royal jelly, propolis, and bee pollen are common bee products that are rich in highly potent antioxidants such as flavonoids, phenols, and amino acids. These products, in order, stimulate larval development into queen bees, promote defenses of the bee hive against microbial and environmental threats, and increase royal jelly production by nurse bees. Thanks to their versatile pharmacological activities (e.g., anti-aging, anti-inflammatory, anticarcinogenic, antimicrobial, etc.), these products have been used to treat multiple chronic conditions that predispose to muscle wasting such as hypertension, diabetes mellitus, cardiovascular disorder, and cancer, to name a few. They were also used in some evolving studies to treat sarcopenia in laboratory animals and, to a limited degree, in humans. However, a collective understanding of the effect and mechanism of action of these products in skeletal muscle is not well-developed. Therefore, this review examines the literature for possible effects of royal jelly, bee pollen, and propolis on skeletal muscle in aged experimental models, muscle cell cultures, and humans. Collectively, data from reviewed studies denote varying levels of positive effects of bee products on muscle mass, strength, and function. The likely underlying mechanisms include amelioration of inflammation and oxidative damages, promotion of metabolic regulation, enhancement of satellite stem cell responsiveness, improvement of muscular blood supply, inhibition of catabolic genes, and promotion of peripheral neuronal regeneration. This review offers suggestions for other mechanisms to be explored and provides guidance for future trials investigating the effects of bee products among people with sarcopenia.
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Isayama T, Etoh H, Kishimoto N, Takasaki T, Kuratani A, Ikuta T, Tatefuji T, Takamune N, Muneoka A, Takahashi Y, Misumi S. 10-Hydroxydecanoic Acid Potentially Elicits Antigen-Specific IgA Responses. Biol Pharm Bull 2020; 43:1202-1209. [PMID: 32741940 DOI: 10.1248/bpb.b20-00101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The effective antigen (Ag) uptake by microfold cells (M-cells) is important for the induction of an efficient mucosal immune responses. Here, we show that 10-hydroxydecanoic acid (10-HDAA) from royal jelly (RJ) potentially supports M-cell differentiation and induces effective antigen-specific mucosal immune responses in cynomolgus macaques. 10-HDAA increases the expression level of receptor activator of nuclear factor-kappaB (NF-κB) (RANK) in Caco-2 cells, which suggests that 10-HDAA potentially prompts the differentiation of Caco-2 cells into M-cells and increased transcytosis efficiency. This idea is supported by the following observations. Intranasal administration of 10-HDAA increased the number of M-cells in the epithelium overlying nasopharynx-associated lymphoid tissue (NALT) in macaques. Oral administration of 10-HDAA increased the number of M-cells in the follicle-associated epithelium (FAE) covering Peyer's patches (PPs) and significantly increased the antigen-specific immunoglobulin A (IgA) level in macaques. These findings suggest that the exogenous honeybee-derived medium-chain fatty acid 10-HDAA may effectively enhance antigen-specific immune responses.
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Affiliation(s)
- Tatsuya Isayama
- Department of Environmental and Molecular Health Sciences, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University
| | - Hikaru Etoh
- Department of Environmental and Molecular Health Sciences, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University
| | - Naoki Kishimoto
- Department of Environmental and Molecular Health Sciences, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University
| | - Toshimasa Takasaki
- Department of Environmental and Molecular Health Sciences, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University
| | - Ayumi Kuratani
- Department of Environmental and Molecular Health Sciences, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University
| | - Tomoki Ikuta
- Institute for Bee Products and Health Science, Yamada Bee Company, Inc
| | - Tomoki Tatefuji
- Institute for Bee Products and Health Science, Yamada Bee Company, Inc
| | - Nobutoki Takamune
- Department of Environmental and Molecular Health Sciences, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University
| | | | | | - Shogo Misumi
- Department of Environmental and Molecular Health Sciences, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University
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You M, Miao Z, Sienkiewicz O, Jiang X, Zhao X, Hu F. 10-Hydroxydecanoic acid inhibits LPS-induced inflammation by targeting p53 in microglial cells. Int Immunopharmacol 2020; 84:106501. [DOI: 10.1016/j.intimp.2020.106501] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 03/22/2020] [Accepted: 04/09/2020] [Indexed: 12/11/2022]
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Composition of Royal Jelly (RJ) and Its Anti-Androgenic Effect on Reproductive Parameters in a Polycystic Ovarian Syndrome (PCOS) Animal Model. Antioxidants (Basel) 2020; 9:antiox9060499. [PMID: 32517356 PMCID: PMC7346114 DOI: 10.3390/antiox9060499] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 05/30/2020] [Accepted: 06/05/2020] [Indexed: 02/07/2023] Open
Abstract
Royal jelly (RJ) has been shown to contribute its positive effects upon imbalance in the reproductive system. However, it remains unknown as to whether RJ has an anti-androgenic effect on reproductive parameters in a polycystic ovarian syndrome (PCOS) animal model. Composition of RJ was assessed by phytochemical screening and the LC–MS method. Forty immature female rats (3 weeks, 40–50 g) were randomly divided into five groups (n = 8 per group), i.e., control, testosterone (T), T+100RJ (100 mg/kg/day), T+200RJ (200 mg/kg/day RJ), and T+400RJ (400 mg/kg/day RJ) groups. Hyperandrogenism was induced by daily subcutaneous injection of T propionate for 3 weeks, followed by oral RJ for 4 weeks. The T+200RJ group had a significantly higher follicle-stimulating hormone level, and significantly lower luteinizing hormone, testosterone, and estradiol levels in comparison to the T group. Malondialdehyde level and glutathione peroxidase activity were significantly lower, while total antioxidant capacity level was significantly higher in the T+200RJ group compared to the T group. Histologically, the T+200RJ group showed recovery of various stages of ovarian follicular development. RJ at 200 mg/kg/day for 4 weeks significantly improved reproductive parameters in PCOS rats partly due to its anti-androgenic effect through antioxidant action and probably due to modulation on estrogenic activity, which needs further study to evaluate its exact mechanism of action.
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Chemometrics-Assisted Identification of Anti-Inflammatory Compounds from the Green Alga Klebsormidium flaccidum var. zivo. Molecules 2020; 25:molecules25051048. [PMID: 32110943 PMCID: PMC7179104 DOI: 10.3390/molecules25051048] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 02/13/2020] [Accepted: 02/17/2020] [Indexed: 11/17/2022] Open
Abstract
The green alga Klebsormidium flaccidum var. zivo is a rich source of proteins, polyphenols, and bioactive small-molecule compounds. An approach involving chromatographic fractionation, anti-inflammatory activity testing, ultrahigh performance liquid chromatography-mass spectrometry profiling, chemometric analysis, and subsequent MS-oriented isolation was employed to rapidly identify its small-molecule anti-inflammatory compounds including hydroxylated fatty acids, chlorophyll-derived pheophorbides, carotenoids, and glycoglycerolipids. Pheophorbide a, which decreased intracellular nitric oxide production by inhibiting inducible nitric oxide synthase, was the most potent compound identified with an IC50 value of 0.24 µM in lipopolysaccharides-induced macrophages. It also inhibited nuclear factor kappaB activation with an IC50 value of 32.1 µM in phorbol 12-myristate 13-acetate-induced chondrocytes. Compared to conventional bioassay-guided fractionation, this approach is more efficient for rapid identification of multiple chemical classes of bioactive compounds from a complex natural product mixture.
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Kokotou MG, Mantzourani C, Babaiti R, Kokotos G. Study of the Royal Jelly Free Fatty Acids by Liquid Chromatography-High Resolution Mass Spectrometry (LC-HRMS). Metabolites 2020; 10:E40. [PMID: 31963373 PMCID: PMC7022826 DOI: 10.3390/metabo10010040] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 01/11/2020] [Accepted: 01/14/2020] [Indexed: 12/12/2022] Open
Abstract
The lipidome of royal jelly (RJ) consists of medium-chained (8-12 carbon atoms) free fatty acids. We present herein a liquid chromatography-high resolution mass spectrometry (HRMS) method that permits the determination of RJ fatty acids and at the same time the detection of suspect fatty acids. The method allows for the direct quantification of seven free fatty acids of RJ, avoiding any derivatization step. It was validated and applied in seven RJ samples, where the major RJ fatty acid trans-10-hydroxy-2-decenoic acid (10-HDA) was found to vary from 0.771 ± 0.08 to 0.928 ± 0.04 g/100 g fresh RJ. Four additional suspect fatty acids were simultaneously detected taking advantage of the HRMS detection.
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Affiliation(s)
| | | | | | - George Kokotos
- Department of Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece; (M.G.K.); (C.M.); (R.B.)
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New Insights into the Biological and Pharmaceutical Properties of Royal Jelly. Int J Mol Sci 2020; 21:ijms21020382. [PMID: 31936187 PMCID: PMC7014095 DOI: 10.3390/ijms21020382] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 12/22/2019] [Accepted: 01/06/2020] [Indexed: 12/16/2022] Open
Abstract
Royal jelly (RJ) is a yellowish-white and acidic secretion of hypopharyngeal and mandibular glands of nurse bees used to feed young worker larvae during the first three days and the entire life of queen bees. RJ is one of the most appreciated and valued natural product which has been mainly used in traditional medicines, health foods, and cosmetics for a long time in different parts of the world. It is also the most studied bee product, aimed at unravelling its bioactivities, such as antimicrobial, antioxidant, anti-aging, immunomodulatory, and general tonic action against laboratory animals, microbial organisms, farm animals, and clinical trials. It is commonly used to supplement various diseases, including cancer, diabetes, cardiovascular, and Alzheimer's disease. Here, we highlight the recent research advances on the main bioactive compounds of RJ, such as proteins, peptides, fatty acids, and phenolics, for a comprehensive understanding of the biochemistry, biological, and pharmaceutical responses to human health promotion and life benefits. This is potentially important to gain novel insight into the biological and pharmaceutical properties of RJ.
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Trans-10-hydroxy-2-decenoic acid protects against LPS-induced neuroinflammation through FOXO1-mediated activation of autophagy. Eur J Nutr 2019; 59:2875-2892. [PMID: 31820078 DOI: 10.1007/s00394-019-02128-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 10/22/2019] [Indexed: 12/14/2022]
Abstract
PURPOSE Neuroinflammation is thought to be associated with the pathogenesis of a series of neurodegenerative diseases. We have previously reported that royal jelly (RJ) has an anti-inflammatory effect on microglial BV-2 cells. However, components contributing to the effect of RJ were largely unexplored. The aim of this study was to assess whether trans-10-hydroxy-2-decenoic acid (10-HDA), the exclusive fatty acid in RJ, can alleviate neuroinflammation and to further explore the underlying mechanisms. METHODS Immunohistochemistry staining, ELISA, qRT-PCR and Western blot were used to assess the effect of 10-HDA on LPS-induced neuroinflammation both in vivo and in vitro. To determine the extent of inflammatory changes after 10-HDA treatment, RNAseq transcriptomic analysis was conducted. RESULTS 10-HDA pretreatment significantly reduced the production of pro-inflammatory mediators in LPS-treated C57BL/6J mice and microglial BV-2 cells. 10-HDA inhibited the activation of the TNF-α/NF-κB axis and NLRP3 inflammasome-IL-1β pathway, which may be the anti-neuroinflammatory mechanism of 10-HDA. We also demonstrated that 10-HDA triggered cell autophagy, as evidenced by elevated levels of microtubule-associated protein 1 light chain 3-II (LC3-II) and decreased expression of SQSTM1. More importantly, 10-HDA increased the transcriptional activity of FOXO1 by increasing FOXO1 nuclear localization. Inhibition of FOXO1 and autophagy using chemical inhibitors markedly blunted the effect of 10-HDA on the TNF-α pathway and NLRP3 inflammasome-IL-1β pathway, indicating that 10-HDA alleviates neuroinflammation in BV-2 cells by modulating FOXO1-mediated autophagy. CONCLUSIONS 10-HDA may be a promising agent for various neuroinflammation-associated diseases.
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Kunugi H, Mohammed Ali A. Royal Jelly and Its Components Promote Healthy Aging and Longevity: From Animal Models to Humans. Int J Mol Sci 2019; 20:ijms20194662. [PMID: 31547049 PMCID: PMC6802361 DOI: 10.3390/ijms20194662] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 09/18/2019] [Accepted: 09/18/2019] [Indexed: 02/07/2023] Open
Abstract
Aging is a natural phenomenon that occurs in all living organisms. In humans, aging is associated with lowered overall functioning and increased mortality out of the risk for various age-related diseases. Hence, researchers are pushed to find effective natural interventions that can promote healthy aging and extend lifespan. Royal jelly (RJ) is a natural product that is fed to bee queens throughout their entire life. Thanks to RJ, bee queens enjoy an excellent reproductive function and lengthened lifespan compared with bee workers, despite the fact that they have the same genome. This review aimed to investigate the effect of RJ and/or its components on lifespan/healthspan in various species by evaluating the most relevant studies. Moreover, we briefly discussed the positive effects of RJ on health maintenance and age-related disorders in humans. Whenever possible, we explored the metabolic, molecular, and cellular mechanisms through which RJ can modulate age-related mechanisms to extend lifespan. RJ and its ingredients—proteins and their derivatives e.g., royalactin; lipids e.g., 10-hydroxydecenoic acid; and vitamins e.g., pantothenic acid—improved healthspan and extended lifespan in worker honeybees Apis mellifera, Drosophila Melanogaster flies, Gryllus bimaculatus crickets, silkworms, Caenorhabditis elegans nematodes, and mice. The longevity effect was attained via various mechanisms: downregulation of insulin-like growth factors and targeting of rapamycin, upregulation of the epidermal growth factor signaling, dietary restriction, and enhancement of antioxidative capacity. RJ and its protein and lipid ingredients have the potential to extend lifespan in various creatures and prevent senescence of human tissues in cell cultures. These findings pave the way to inventing specific RJ anti-aging drugs. However, much work is needed to understand the effect of RJ interactions with microbiome, diet, activity level, gender, and other genetic variation factors that affect healthspan and longevity.
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Affiliation(s)
- Hiroshi Kunugi
- Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo 187-8551, Japan.
| | - Amira Mohammed Ali
- Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo 187-8551, Japan.
- Department of Psychiatric Nursing and Mental Health, Faculty of Nursing, Alexandria University, Alexandria 21527, Egypt.
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Tohamy HG, Gad El-Karim DR, El-Sayed YS. Attenuation potentials of royal jelly against hydroxyurea-induced infertility through inhibiting oxidation and release of pro-inflammatory cytokines in male rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:21524-21534. [PMID: 31127524 DOI: 10.1007/s11356-019-05521-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 05/17/2019] [Indexed: 05/26/2023]
Abstract
Hydroxyurea (HDU), a class of antineoplastic drugs, has a powerful efficacy in the treatment of several types of malignancies. However, it has multiple adverse effects including reduced fertility, especially in males. Thus, 60 male albino rats were used to investigate the chemoprotective potentials of royal jelly on HDU-induced testicular damage. Animals were gastro-gavaged with HDU (225 or 450 mg kg-1 bw day-1) before royal jelly (100 mg kg-1 bw day-1) for 60 days. Blood samples and testicles were collected, and spermatozoon was obtained. In a dose-dependent manner, the sperm count, motility and liveability, and testosterone, GSH, and catalase concentrations were decreased in HDU groups, whereas MDA, FSH, LH, IL-6, and IFN-γ expression levels were increased. Germinal epithelium degeneration, germ cell sloughing, reduction in the number of luminal spermatozoa, interstitial congestion, and severe leukocyte infiltration besides no glandular secretion in most of the acini were identified. However, royal jelly intake in HDU-treated rats successfully improved sperm quality, hormonal and antioxidant status, and reproductive organ histoarchitecture. Thus, it could be concluded that royal jelly is endowed with antioxidative and anti-inflammatory activities and could be, therefore, used as an adjuvant remedy to improve HDU-induced male subfertility.
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Affiliation(s)
- Hossam G Tohamy
- Department of Pathology, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Dina R Gad El-Karim
- Department of Clinical Pathology, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Yasser S El-Sayed
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Damanhour University, Damanhour, 22511, Egypt.
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Royal jelly attenuates cadmium-induced nephrotoxicity in male mice. Sci Rep 2019; 9:5825. [PMID: 30967588 PMCID: PMC6456607 DOI: 10.1038/s41598-019-42368-7] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 03/25/2019] [Indexed: 12/18/2022] Open
Abstract
Cadmium exposure induces nephrotoxicity by mediating oxidative stress, inflammation, and apoptosis. The purpose of this study was to examine the protective effect of royal jelly on Cd-induced nephrotoxicity. Adult male mice were distributed randomly into 4 clusters: untreated, royal jelly-treated (85 mg/kg, oral), CdCl2-treated (6.5 mg/kg, intraperitoneal), and pretreated with royal jelly (85 mg/kg) 2 h before CdCl2 injection (6.5 mg/kg, intraperitoneal) for seven consecutive days. Cd concentration in the renal tissue and absolute kidney weight of the Cd-treated mice were significantly higher than those of control group. The levels of kidney function markers, kidney injury molecules-1 (KIM-1), metallothionein, lipid peroxidation, nitric oxide, tumor necrosis factor-α, interleukin-1β, and the apoptosis regulators Bax and caspases-3 also increased significantly in the renal tissue of Cd-treated mice, whereas the levels of glutathione, antioxidant enzyme activities, and the apoptosis inhibitor Bcl-2 were significantly reduced in the renal tissue of Cd-treated group. Histopathological studies showed vacuolation and congested glomeruli in the kidney tissue of Cd-treated mice. However, all aforementioned Cd-induced changes were attenuated by pretreatment with royal jelly. We therefore concluded that royal jelly attenuated Cd-induced nephrotoxicity and it is suggested that this nephroprotective effect could be linked to its ability to promote the nuclear factor erythroid 2–related factor 2 (Nrf2)/antioxidant responsive element (ARE) pathway.
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Šedivá M, Laho M, Kohútová L, Mojžišová A, Majtán J, Klaudiny J. 10-HDA, A Major Fatty Acid of Royal Jelly, Exhibits pH Dependent Growth-Inhibitory Activity Against Different Strains of Paenibacillus larvae. Molecules 2018; 23:E3236. [PMID: 30544571 PMCID: PMC6320966 DOI: 10.3390/molecules23123236] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 12/04/2018] [Accepted: 12/05/2018] [Indexed: 12/19/2022] Open
Abstract
Paenibacillus larvae (P. larvae) is a bacterial pathogen causing American foulbrood (AFB), the most serious disease of honeybee larvae. The food of young larvae could play an important role in the resistance of larvae against AFB. It contains antibacterial substances produced by honeybees that may inhibit the propagation of the pathogen in larval midguts. In this study, we identified and investigated the antibacterial effects of one of these substances, trans-10-hydroxy-2-decenoic acid (10-HDA), against P. larvae strains including all Enterobacterial Repetitive Intergenic Consensus (ERIC) genotypes. Its inhibitory activities were studied by determining the minimum inhibitory concentrations (MICs). It was found that 10-HDA efficacy increases substantially with decreasing pH; up to 12-fold differences in efficacy were observed between pH = 5.5 and pH = 7.2. P. larvae strains showed different susceptibility to 10-HDA; up to 2.97-fold differences existed among various strains with environmentally important ERIC I and ERIC II genotypes. Germinating spores of the pathogen were generally more susceptible to 10-HDA than vegetative cells. Our findings suggest that 10-HDA could play significant role in conferring antipathogenic activity to larval food in the midguts of young larvae and contribute to the resistance of individual larvae to P. larvae.
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Affiliation(s)
- Mária Šedivá
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia.
| | - Maroš Laho
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia.
- Institute of Molecular Biology, Slovak Academy of Sciences, Dúbravská cesta 21, 845 51 Bratislava, Slovakia.
| | - Lenka Kohútová
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia.
| | - Andrea Mojžišová
- Veterinary and Food Institute in Dolny Kubin, Janoškova 58, 02601 Dolný Kubín, Slovakia.
| | - Juraj Majtán
- Institute of Molecular Biology, Slovak Academy of Sciences, Dúbravská cesta 21, 845 51 Bratislava, Slovakia.
| | - Jaroslav Klaudiny
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia.
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Anti-Cancer and Protective Effects of Royal Jelly for Therapy-Induced Toxicities in Malignancies. Int J Mol Sci 2018; 19:ijms19103270. [PMID: 30347885 PMCID: PMC6214034 DOI: 10.3390/ijms19103270] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Revised: 10/15/2018] [Accepted: 10/17/2018] [Indexed: 02/07/2023] Open
Abstract
Royal jelly (RJ) is a glandular secretion produced by worker honeybees and is a special food for the queen honeybee. It results in a significant prolongation of the lifespan of the queen honeybee compared with the worker honeybees through anti-inflammatory, anti-oxidant and anti-microbial activities. Consequently, RJ is used as cosmetic and dietary supplement throughout the world. In addition, in vitro studies and animal experiments have demonstrated that RJ inhibits cell proliferation and stimulates apoptosis in various types of malignant cells and affects the production of various chemokines, anti-oxidants and growth factors and the expression of cancer-related molecules in patients with malignancies, especially in patients treated with anti-cancer agents. Therefore, RJ is thought to exert anti-cancer effects on tumor growth and exhibit protective functions against drug-induced toxicities. RJ has also been demonstrated to be useful for suppression of adverse events, the maintenance of the quality of life during treatment and the improvement of prognosis in animal models and patients with malignancies. To understand the mechanisms of the beneficial effects of RJ, knowledge of the changes induced at the molecular level by RJ with respect to cell survival, inflammation, oxidative stress and other cancer-related factors is essential. In addition, the effects of combination therapies of RJ and other anti-cancer agents or natural compounds are important to determine the future direction of RJ-based treatment strategies. Therefore, in this review, we have covered the following five issues: (1) the anti-cancer effects of RJ and its main component, 10-hydroxy-2-decenoic acid; (2) the protective effects of RJ against anti-cancer agent-induced toxicities; (3) the molecular mechanisms of such beneficial effects of RJ; (4) the safety and toxicity of RJ; and (5) the future directions of RJ-based treatment strategies, with a discussion on the limitations of the study of the biological activities of RJ.
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Almeer RS, Alarifi S, Alkahtani S, Ibrahim SR, Ali D, Moneim A. The potential hepatoprotective effect of royal jelly against cadmium chloride-induced hepatotoxicity in mice is mediated by suppression of oxidative stress and upregulation of Nrf2 expression. Biomed Pharmacother 2018; 106:1490-1498. [DOI: 10.1016/j.biopha.2018.07.089] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 07/08/2018] [Accepted: 07/17/2018] [Indexed: 12/23/2022] Open
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Royal Jelly Delays Motor Functional Impairment During Aging in Genetically Heterogeneous Male Mice. Nutrients 2018; 10:nu10091191. [PMID: 30200401 PMCID: PMC6164577 DOI: 10.3390/nu10091191] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 08/27/2018] [Accepted: 08/28/2018] [Indexed: 01/29/2023] Open
Abstract
Aging is associated with motor disorders that decrease the quality of life (QOL). Royal jelly (RJ), used as a dietary supplement, has shown various health benefits and, therefore, it has the potential to improve the QOL during aging. We have previously developed protease enzyme-treated RJ to avoid the anaphylactic response induced by RJ supplementation. However, the effects of a lifelong treatment with RJ on normal aging have not been fully clarified. In this study, we investigated the effects of enzyme-untreated RJ (NRJ) and enzyme-treated RJ (ERJ) on the aging process focusing on motor functions, by using a genetically heterogeneous (HET) mouse model experimentally endowed with genetic diversity. We performed four different physical performance tests (grip strength, wire hang, horizontal bar, and rotarod). We showed that the age-related impairment of the motor functions was significantly delayed in RJ-treated mice. Both NRJ and ERJ were similarly effective against these types of aging-associated declines. Histological analyses revealed that the RJ treatment affected the muscle fiber size at an advanced age. We also demonstrated that age-related changes in muscle satellite cell markers and catabolic genes were affected in RJ-treated mice. These results suggest that non-protein components of RJ improved the motor function in aging mice. These findings indicate that RJ has the potential to change the QOL during aging by regulating the motor function.
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Chen YF, You MM, Liu YC, Shi YZ, Wang K, Lu YY, Hu FL. Potential protective effect of Trans-10-hydroxy-2-decenoic acid on the inflammation induced by Lipoteichoic acid. J Funct Foods 2018. [DOI: 10.1016/j.jff.2018.03.029] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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