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Pang Y, Xiong J, Wu Y, Ding W. A review on recent advances on nobiletin in central and peripheral nervous system diseases. Eur J Med Res 2023; 28:485. [PMID: 37932838 PMCID: PMC10626649 DOI: 10.1186/s40001-023-01450-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 10/16/2023] [Indexed: 11/08/2023] Open
Abstract
In recent years, the role of nobiletin in neuronal disorders has received extensive attention. However, the study of nobiletin in the peripheral nervous system is limited. Nobiletin, as a compound with high fat solubility, high bioavailability and low toxicity, has been extensively studied. Accumulating scientific evidence has shown that nobiletin has a variety of biological functions in the nervous system, such as inhibiting the expression of inflammatory factors, reducing the neurotoxic response, improving the antioxidant capacity, promoting the survival of nerve cells, promoting axon growth, reducing blood‒brain barrier permeability, reducing brain oedema, promoting cAMP response element binding protein expression, improving memory, and promoting mild depolarization of nerve cell mitochondria to improve antioxidative stress capacity. Accumulating studies have shown that nobiletin also protects enteric nervous system, spinal cord and sciatic nerve. To explore the new therapeutic potential of nobiletin in the nervous system, recent and relevant research progress is reviewed in this article. This will provide a new research idea for nobiletin in the nervous system.
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Affiliation(s)
- Yueshan Pang
- Nanchong Central Hospital, The Second Clinical Medical College of North Sichuan Medical College, Nanchong, 637000, China
| | - Juan Xiong
- Nanchong Central Hospital, The Second Clinical Medical College of North Sichuan Medical College, Nanchong, 637000, China
| | - You Wu
- Nanchong Central Hospital, The Second Clinical Medical College of North Sichuan Medical College, Nanchong, 637000, China
| | - Weijun Ding
- Department of Fundamental Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 611130, China.
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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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Ali AM, Kunugi H. Royal Jelly as an Intelligent Anti-Aging Agent-A Focus on Cognitive Aging and Alzheimer's Disease: A Review. Antioxidants (Basel) 2020; 9:E937. [PMID: 33003559 PMCID: PMC7601550 DOI: 10.3390/antiox9100937] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 09/24/2020] [Accepted: 09/24/2020] [Indexed: 02/08/2023] Open
Abstract
The astronomical increase of the world's aged population is associated with the increased prevalence of neurodegenerative diseases, heightened disability, and extremely high costs of care. Alzheimer's Disease (AD) is a widespread, age-related, multifactorial neurodegenerative disease that has enormous social and financial drawbacks worldwide. The unsatisfactory outcomes of available AD pharmacotherapy necessitate the search for alternative natural resources that can target various the underlying mechanisms of AD pathology and reduce disease occurrence and/or progression. Royal jelly (RJ) is the main food of bee queens; it contributes to their fertility, long lifespan, and memory performance. It represents a potent nutraceutical with various pharmacological properties, and has been used in a number of preclinical studies to target AD and age-related cognitive deterioration. To understand the mechanisms through which RJ affects cognitive performance both in natural aging and AD, we reviewed the literature, elaborating on the metabolic, molecular, and cellular mechanisms that mediate its anti-AD effects. Preclinical findings revealed that RJ acts as a multidomain cognitive enhancer that can restore cognitive performance in aged and AD models. It promotes brain cell survival and function by targeting multiple adversities in the neuronal microenvironment such as inflammation, oxidative stress, mitochondrial alterations, impaired proteostasis, amyloid-β toxicity, Ca excitotoxicity, and bioenergetic challenges. Human trials using RJ in AD are limited in quantity and quality. Here, the limitations of RJ-based treatment strategies are discussed, and directions for future studies examining the effect of RJ in cognitively impaired subjects are noted.
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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 187-0031, Japan;
- Department of Psychiatric Nursing and Mental Health, Faculty of Nursing, Alexandria University, Alexandria 21527, Egypt
| | - Hiroshi Kunugi
- Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo 187-0031, Japan;
- Department of Psychiatry, Teikyo University School of Medicine, Tokyo 173-8605, Japan
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Oba C, Ota M, Nomura K, Fujiwara H, Takito J, Sato Y, Ohizumi Y, Inomata H. Extraction of nobiletin from Citrus Unshiu peels by supercritical fluid and its CRE-mediated transcriptional activity. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2017; 27:33-38. [PMID: 28314477 DOI: 10.1016/j.phymed.2017.01.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 12/31/2016] [Accepted: 01/29/2017] [Indexed: 06/06/2023]
Abstract
BACKGROUND Polymethoxyflavone (PMF) is one of bioactive compounds in Citrus Unshiu and included mainly in the peels rather than the fruits, seeds and leaves. HYPOTHESIS/PURPOSE Supercritical CO2 extraction is one candidate for selective extraction of polymethoxyflavone and in this study, supercritical CO2 extraction with/without ethanol entrainer from Citrus Unshiu peels was examined at a temperature of 333K and a pressure of 30MPa. METHODS CRE (cyclic AMP response element)-mediated transcriptional assay was examined by using the extracts from supercritical fluid extraction. RESULTS The results showed that extracts including nobiletin increased with increasing ethanol concentration in supercritical CO2 and the elapsed extraction time. Extracts at ethanol concentration of 5 mol% showed high CRE-mediated transcription activity. This can be caused by activity of the extract including nobiletin in addition to the other methoxylated flavonoid species such as tangeretin. Extracts at ethanol concentration of 50% showed the highest CRE-mediated transcription activity, which can be attributed to flavonoid glycoside such as hesperidin. From our investigations, flavonoid glycoside can be one of promoters of CRE-mediated transcription activity.
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Affiliation(s)
- Chisato Oba
- Research Center of Supercritical Fluid Technology, Tohoku University, 6-6-11-403, Aoba, Aramaki, Aoba-ku, Sendai, 980-8579, Japan
| | - Masaki Ota
- Research Center of Supercritical Fluid Technology, Tohoku University, 6-6-11-403, Aoba, Aramaki, Aoba-ku, Sendai, 980-8579, Japan.
| | - Koichiro Nomura
- Research Center of Supercritical Fluid Technology, Tohoku University, 6-6-11-403, Aoba, Aramaki, Aoba-ku, Sendai, 980-8579, Japan
| | - Hironori Fujiwara
- Research Center of Supercritical Fluid Technology, Tohoku University, 6-6-11-403, Aoba, Aramaki, Aoba-ku, Sendai, 980-8579, Japan
| | - Jiro Takito
- Research Center of Supercritical Fluid Technology, Tohoku University, 6-6-11-403, Aoba, Aramaki, Aoba-ku, Sendai, 980-8579, Japan
| | - Yoshiyuki Sato
- Research Center of Supercritical Fluid Technology, Tohoku University, 6-6-11-403, Aoba, Aramaki, Aoba-ku, Sendai, 980-8579, Japan
| | - Yasushi Ohizumi
- Research Center of Supercritical Fluid Technology, Tohoku University, 6-6-11-403, Aoba, Aramaki, Aoba-ku, Sendai, 980-8579, Japan
| | - Hiroshi Inomata
- Research Center of Supercritical Fluid Technology, Tohoku University, 6-6-11-403, Aoba, Aramaki, Aoba-ku, Sendai, 980-8579, Japan
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The Multifunctional Effects of Nobiletin and Its Metabolites In Vivo and In Vitro. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 2016:2918796. [PMID: 27761146 PMCID: PMC5059563 DOI: 10.1155/2016/2918796] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2016] [Revised: 08/27/2016] [Accepted: 08/29/2016] [Indexed: 12/31/2022]
Abstract
Nobiletin (NOB) chemically known as 5,6,7,8,3′,4′-hexamethoxyflavone is a dietary polymethoxylated flavonoid found in Citrus fruits. Recent evidences show that NOB is a multifunctional pharmaceutical agent. The various pharmacological activities of NOB include neuroprotection, cardiovascular protection, antimetabolic disorder, anticancer, anti-inflammation, and antioxidation. These events may be underpinned by modulation of signaling cascades, including PKA/ERK/MEK/CREB, NF-κB, MAPK, Ca2+/CaMKII, PI3K/Akt1/2, HIF-1α, and TGFβ signaling pathways. The metabolites may exhibit stronger beneficial effects than NOB on diseases pathogenesis. The biological activities of NOB have been clarified on many systems. This review aims to discuss the pharmacological effects of NOB with specific mechanisms of actions. NOB may become a promising candidate for potential drug development. However, further investigations of NOB on specific intracellular targets and clinical trials are still needed, especially for in vivo medical applications.
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Ohizumi Y. [A new strategy for preventive and functional therapeutic methods for dementia--approach using natural products]. YAKUGAKU ZASSHI 2016; 135:449-64. [PMID: 25759053 DOI: 10.1248/yakushi.14-00245] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Alzheimer's disease (AD) has become a serious social problem in Japan. However, effective preventive and fundamental therapeutic methods for AD have not yet been developed. Using a new strategy in the course of our survey of numerous natural resouces having neurotrophic activity, we isolated a variety of active constituents and proved their pharmacological properties. As a result, we successfully found nobiletin, a compound with anti-dementia activity that comes from citrus peels. Also, we have demonstrated that nobiletin ameliorates cognitive impairment in several dementia model animals such as chronically amyloid β(Aβ) infused rats, amyloid precursor protein transgenic (APPTg) mice, olfactory-bulbectomized (OBX) mice, N-methyl-D-aspartate (NMDA) receptor antagonist (MK-801)-treated mice, senescence-accelated mice and bilaterial common carotid arteries occlusion mice. In a APPTg mouse of AD, nobiletin greatly improved memory impairment, and this was accompanied by a marked decrease in Aβ deposition. Also, in OBX mice memory impairment was markedly recoverd by nobiletin, accompanied by improvement of a decrease indensity of cholinergic neurons. Interestingly, nobiletin improves age-related congnitive impairment and decreased hyperphosphorylation of tau as well as oxidative stress in senescence-accelerated mice. In cultured cells, nobiletin reversed the Aβ-induced inhibition of glutamate-induced increases in cAMP response element binding protein (CREB) phosphorylation and modulated gen expression of thioredoxin-interacting protein and NMDA resceptor subunits. These results suggest that nobiletin prevents memory impairment and exhibits a protecting action against neurodgeneration in AD model animals. Nobiletin and citrus peels thus have potential as functional foods for prevention of dementia.
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Affiliation(s)
- Yasushi Ohizumi
- Graduate School of Pharmaceutical Sciences, Tohoku University; 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan; Graduate School of Engineering, Tohoku University; 6-6-07 Aoba, Aramaki, Aoba-ku, Sendai 980-8579; Faculty of Pharmaceutical Sciences, University of Shizuoka; 52-1 Yada, Suruga-ku, Shizuoka, 422-8526, Japan; Kansei Research Institute, Tohoku Fukushi University; 1-19-1 Kunimi, Aoba-ku, Sendai 989-3201, Japan; Yokohama College of Pharmacy; 601 Matano-cho, Totsuka-ku, Yokohama 245-0066, Japan
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Takito J, Kimura J, Kajima K, Uozumi N, Watanabe M, Yokosuka A, Mimaki Y, Nakamura M, Ohizumi Y. Nerve growth factor enhances the CRE-dependent transcriptional activity activated by nobiletin in PC12 cells. Can J Physiol Pharmacol 2016; 94:728-33. [PMID: 27128150 DOI: 10.1139/cjpp-2015-0394] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Prevention and treatment of Alzheimer disease are urgent problems for elderly people in developed countries. We previously reported that nobiletin, a poly-methoxylated flavone from the citrus peel, improved the symptoms in various types of animal models of memory loss and activated the cAMP responsive element (CRE)-dependent transcription in PC12 cells. Nobiletin activated the cAMP/PKA/MEK/Erk/MAPK signaling pathway without using the TrkA signaling activated by nerve growth factor (NGF). Here, we examined the effect of combination of nobiletin and NGF on the CRE-dependent transcription in PC12 cells. Although NGF alone had little effect on the CRE-dependent transcription, NGF markedly enhanced the CRE-dependent transcription induced by nobiletin. The NGF-induced enhancement was neutralized by a TrkA antagonist, K252a. This effect of NGF was effective on the early signaling event elicited by nobiletin. These results suggested that there was crosstalk between NGF and nobiletin signaling in activating the CRE-dependent transcription in PC12 cells.
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Affiliation(s)
- Jiro Takito
- a Department of Oral Anatomy and Developmental Biology, School of Dentistry, Showa University, 1-5-8 Hatanodai, Shinagawa, Tokyo 142-8555, Japan
| | - Junko Kimura
- b Department of Medical Biochemistry, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Japan
| | - Koji Kajima
- c Sankyo Holdings Co., Ltd., 573-13 Denbou, Fuji-shi, Shizuoka, Japan
| | - Nobuyuki Uozumi
- d Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, 6-6-07 Aobayama, Sendai, Miyagi, Japan
| | - Makoto Watanabe
- e Kansei Fukushi Research Center, Tohoku Fukushi University, 6-149-1 Kunimigaoka, Aoba-ku, Sendai, Miyagi, Japan
| | - Akihito Yokosuka
- f Laboratory of Medicinal Plant Science, School of Pharmacy, Tokyo University of Pharmacy and Life Science, 1432-1 Horinouchi, Hachioji, Tokyo, Japan
| | - Yoshihiro Mimaki
- f Laboratory of Medicinal Plant Science, School of Pharmacy, Tokyo University of Pharmacy and Life Science, 1432-1 Horinouchi, Hachioji, Tokyo, Japan
| | - Masanori Nakamura
- a Department of Oral Anatomy and Developmental Biology, School of Dentistry, Showa University, 1-5-8 Hatanodai, Shinagawa, Tokyo 142-8555, Japan
| | - Yasushi Ohizumi
- b Department of Medical Biochemistry, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Japan.,e Kansei Fukushi Research Center, Tohoku Fukushi University, 6-149-1 Kunimigaoka, Aoba-ku, Sendai, Miyagi, Japan
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Fujiwara H, Kimura J, Sakamoto M, Yokosuka A, Mimaki Y, Murata K, Yamaguchi K, Ohizumi Y. Nobiletin, a flavone from Citrus depressa, induces gene expression and increases the protein level and activity of neprilysin in SK-N-SH cells. Can J Physiol Pharmacol 2014; 92:351-5. [PMID: 24784468 DOI: 10.1139/cjpp-2013-0440] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Neprilysin (NEP) is one of the candidate amyloid β protein (Aβ) degrading enzymes affecting brain Aβ clearance. This enzyme declines in the brain with age, which leads to the increased Aβ deposition in Alzheimer's disease (AD). Pharmacological activation of NEP during the aging process, therefore, represents a potential strategy to prevent the development of AD. To examine the influence of nobiletin on neprilysin activity, we measured cellular NEP activity in SK-N-SH cells. Moreover, NEP expression was examined by using reverse transcription - polymerase chain reaction and Western blotting. Measurement of cellular NEP activity showed that nobiletin stimulated this in a dose- and time-dependent manner in SK-N-SH cells. Moreover, nobiletin increased the expression of NEP mRNA, and then the levels of NEP protein, also in a dose- and time-dependent manner. Our findings showed that nobiletin promoted NEP gene and protein expression, resulting in enhancement of cellular NEP activity in SK-N-SH cells. This compound could be a novel Aβ-degrading compound for use in the development of disease-modifying drugs to prevent and (or) cure AD.
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Affiliation(s)
- Hironori Fujiwara
- a Department of Anti-dementia Functional Food Development, Graduate School of Engineering, Tohoku University, Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan
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Melliou E, Chinou I. Chemistry and Bioactivities of Royal Jelly. STUDIES IN NATURAL PRODUCTS CHEMISTRY 2014. [DOI: 10.1016/b978-0-444-63430-6.00008-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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