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Naroo SA, Woods CA, Gil-Cazorla R, Ang RE, Collazos M, Eperjesi F, Guillon M, Hipsley A, Jackson MA, Price ER, Wolffsohn JS. BCLA CLEAR presbyopia: Management with scleral techniques, lens softening, pharmaceutical and nutritional therapies. Cont Lens Anterior Eye 2024; 47:102191. [PMID: 39098809 DOI: 10.1016/j.clae.2024.102191] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/06/2024]
Abstract
The aging eye undergoes the same progressive crosslinking which occurs throughout the body, resulting in increased rigidity of ocular connective tissues including the lens and the sclera which impact ocular functions. This offers the potential for a scleral treatment that is based on restoring normal biomechanical movements. Laser Scleral Microporation is a laser therapy that evaporates fractional areas of crosslinked tissues in the sclera, reducing ocular rigidity over critical anatomical zones of the accommodation apparatus, restoring the natural dynamic range of focus of the eye. Although controversial and challenged, an alternative theory for presbyopia is Schachar's theory that suggests a reduction in the space between the ciliary processes and the crystalline lens. Widening of this space with expansion bands has been shown to aid near vision in people with presbyopia, a technique that has been used in the past but seems to be obsolete now. The use of drugs has been used in the treatment of presbyopia, either to cause pupil miosis to increase depth of focus, or an alteration in refractive error (to induce myopia in one eye to create monovision). Drugs and laser ablation of the crystalline lens have been used with the aim of softening the hardened lens. Poor nutrition and excess exposure to ultraviolet light have been implicated in the onset of presbyopia. Dietary nutritional supplements, lifestyle changes have also been shown to improve accommodation and the question arises whether these could be harnessed in a treatment for presbyopia as well.
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Affiliation(s)
- Shehzad A Naroo
- College of Health and Life Sciences, Aston University, Birmingham, United Kingdom.
| | - Craig A Woods
- School of Optometry and Vision Science, University of New South Wales, Sydney, Australia
| | - Raquel Gil-Cazorla
- College of Health and Life Sciences, Aston University, Birmingham, United Kingdom
| | | | | | | | - Michel Guillon
- Ocular Technology Group International, London, United Kingdom
| | | | | | | | - James S Wolffsohn
- College of Health and Life Sciences, Aston University, Birmingham, United Kingdom
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2
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Nishida Y, Berg PC, Shakersain B, Hecht K, Takikawa A, Tao R, Kakuta Y, Uragami C, Hashimoto H, Misawa N, Maoka T. Astaxanthin: Past, Present, and Future. Mar Drugs 2023; 21:514. [PMID: 37888449 PMCID: PMC10608541 DOI: 10.3390/md21100514] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/18/2023] [Accepted: 09/22/2023] [Indexed: 10/28/2023] Open
Abstract
Astaxanthin (AX), a lipid-soluble pigment belonging to the xanthophyll carotenoids family, has recently garnered significant attention due to its unique physical properties, biochemical attributes, and physiological effects. Originally recognized primarily for its role in imparting the characteristic red-pink color to various organisms, AX is currently experiencing a surge in interest and research. The growing body of literature in this field predominantly focuses on AXs distinctive bioactivities and properties. However, the potential of algae-derived AX as a solution to various global environmental and societal challenges that threaten life on our planet has not received extensive attention. Furthermore, the historical context and the role of AX in nature, as well as its significance in diverse cultures and traditional health practices, have not been comprehensively explored in previous works. This review article embarks on a comprehensive journey through the history leading up to the present, offering insights into the discovery of AX, its chemical and physical attributes, distribution in organisms, and biosynthesis. Additionally, it delves into the intricate realm of health benefits, biofunctional characteristics, and the current market status of AX. By encompassing these multifaceted aspects, this review aims to provide readers with a more profound understanding and a robust foundation for future scientific endeavors directed at addressing societal needs for sustainable nutritional and medicinal solutions. An updated summary of AXs health benefits, its present market status, and potential future applications are also included for a well-rounded perspective.
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Affiliation(s)
- Yasuhiro Nishida
- Fuji Chemical Industries, Co., Ltd., 55 Yokohoonji, Kamiich-machi, Nakaniikawa-gun, Toyama 930-0405, Japan
| | | | - Behnaz Shakersain
- AstaReal AB, Signum, Forumvägen 14, Level 16, 131 53 Nacka, Sweden; (P.C.B.); (B.S.)
| | - Karen Hecht
- AstaReal, Inc., 3 Terri Lane, Unit 12, Burlington, NJ 08016, USA;
| | - Akiko Takikawa
- First Department of Internal Medicine, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan;
| | - Ruohan Tao
- Graduate School of Science and Technology, Kwansei Gakuin University, 1 Gakuen-Uegahara, Sanda 669-1330, Japan; (R.T.); (Y.K.); (C.U.); (H.H.)
| | - Yumeka Kakuta
- Graduate School of Science and Technology, Kwansei Gakuin University, 1 Gakuen-Uegahara, Sanda 669-1330, Japan; (R.T.); (Y.K.); (C.U.); (H.H.)
| | - Chiasa Uragami
- Graduate School of Science and Technology, Kwansei Gakuin University, 1 Gakuen-Uegahara, Sanda 669-1330, Japan; (R.T.); (Y.K.); (C.U.); (H.H.)
| | - Hideki Hashimoto
- Graduate School of Science and Technology, Kwansei Gakuin University, 1 Gakuen-Uegahara, Sanda 669-1330, Japan; (R.T.); (Y.K.); (C.U.); (H.H.)
| | - Norihiko Misawa
- Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, Suematsu, Nonoichi-shi 921-8836, Japan;
| | - Takashi Maoka
- Research Institute for Production Development, 15 Shimogamo-morimoto-cho, Sakyo-ku, Kyoto 606-0805, Japan
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3
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Chen K, Xu WY, Sun SS, Zhou HW. Corneal endothelial cells and acoustic cavitation in phacoemulsification. World J Clin Cases 2023; 11:1712-1718. [PMID: 36969995 PMCID: PMC10037277 DOI: 10.12998/wjcc.v11.i8.1712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/14/2023] [Accepted: 02/22/2023] [Indexed: 03/07/2023] Open
Abstract
Postoperative complications of phacoemulsification, such as corneal edema caused by human corneal endothelial cell (CEC) injury, are still a matter of concern. Although several factors are known to cause CEC damage, the influence of ultrasound on the formation of free radicals during surgery should be considered. Ultrasound in aqueous humor induces cavitation and promotes the formation of hydroxyl radicals or reactive oxygen species (ROS). ROS-induced apoptosis and autophagy in phacoemulsification have been suggested to significantly promote CEC injury. CEC cannot regenerate after injury, and measures must be taken to prevent the loss of CEC after phacoemulsification or other CEC injuries. Antioxidants can reduce the oxidative stress injury of CEC during phacoemulsification. Evidence from rabbit eye studies shows that ascorbic acid infusion during operation or local application of ascorbic acid during phacoemulsification has a protective effect by scavenging free radicals or reducing oxidative stress. Both in experiments and clinical practice, hydrogen dissolved in the irrigating solution can also prevent CEC damage during phacoemulsification surgery. Astaxanthin (AST) can inhibit oxidative damage, thereby protecting different cells from most pathological conditions, such as myocardial cells, luteinized granulosa cells of the ovary, umbilical vascular endothelial cells, and human retina pigment epithelium cell line (ARPE-19). However, existing research has not focused on the application of AST to prevent oxidative stress during phacoemulsification, and the related mechanisms need to be studied. The Rho related helical coil kinase inhibitor Y-27632 can inhibit CEC apoptosis after phacoemulsification. Rigorous experiments are required to confirm whether its effect is realized through improving the ROS clearance ability of CEC.
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Affiliation(s)
- Kai Chen
- Department of Ophthalmology, Lianshui County People's Hospital, Huai’an 223400, Jiangsu Province, China
| | - Wen-Ya Xu
- Department of Ophthalmology, Lianshui County People's Hospital, Huai’an 223400, Jiangsu Province, China
| | - Si-Si Sun
- Department of Ophthalmology, Lianshui County People's Hospital, Huai’an 223400, Jiangsu Province, China
| | - Hong-Wei Zhou
- Department of Ophthalmology, Huai’an 82 Hospital, Huai'an 223001, Jiangsu Province, China
- Department of Industrial Engineering, Tsinghua University, Beijing 100084, China
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4
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Liu X, Xie J, Zhou L, Zhang J, Chen Z, Xiao J, Cao Y, Xiao H. Recent advances in health benefits and bioavailability of dietary astaxanthin and its isomers. Food Chem 2023; 404:134605. [DOI: 10.1016/j.foodchem.2022.134605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/28/2022] [Accepted: 10/11/2022] [Indexed: 11/22/2022]
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Alugoju P, Krishna Swamy VKD, Anthikapalli NVA, Tencomnao T. Health benefits of astaxanthin against age-related diseases of multiple organs: A comprehensive review. Crit Rev Food Sci Nutr 2022; 63:10709-10774. [PMID: 35708049 DOI: 10.1080/10408398.2022.2084600] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Age-related diseases are associated with increased morbidity in the past few decades and the cost associated with the treatment of these age-related diseases exerts a substantial impact on social and health care expenditure. Anti-aging strategies aim to mitigate, delay and reverse aging-associated diseases, thereby improving quality of life and reducing the burden of age-related pathologies. The natural dietary antioxidant supplementation offers substantial pharmacological and therapeutic effects against various disease conditions. Astaxanthin is one such natural carotenoid with superior antioxidant activity than other carotenoids, as well as well as vitamins C and E, and additionally, it is known to exhibit a plethora of pharmacological effects. The present review summarizes the protective molecular mechanisms of actions of astaxanthin on age-related diseases of multiple organs such as Neurodegenerative diseases [Alzheimer's disease (AD), Parkinson's disease (PD), Stroke, Multiple Sclerosis (MS), Amyotrophic lateral sclerosis (ALS), and Status Epilepticus (SE)], Bone Related Diseases [Osteoarthritis (OA) and Osteoporosis], Cancers [Colon cancer, Prostate cancer, Breast cancer, and Lung Cancer], Cardiovascular disorders [Hypertension, Atherosclerosis and Myocardial infarction (MI)], Diabetes associated complications [Diabetic nephropathy (DN), Diabetic neuropathy, and Diabetic retinopathy (DR)], Eye disorders [Age related macular degeneration (AMD), Dry eye disease (DED), Cataract and Uveitis], Gastric Disorders [Gastritis, Colitis, and Functional dyspepsia], Kidney Disorders [Nephrolithiasis, Renal fibrosis, Renal Ischemia reperfusion (RIR), Acute kidney injury (AKI), and hyperuricemia], Liver Diseases [Nonalcoholic fatty liver disease (NAFLD), Alcoholic Liver Disease (AFLD), Liver fibrosis, and Hepatic Ischemia-Reperfusion (IR) Injury], Pulmonary Disorders [Pulmonary Fibrosis, Acute Lung injury (ALI), and Chronic obstructive pulmonary disease (COPD)], Muscle disorders (skeletal muscle atrophy), Skin diseases [Atopic dermatitis (ATD), Skin Photoaging, and Wound healing]. We have also briefly discussed astaxanthin's protective effects on reproductive health.
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Affiliation(s)
- Phaniendra Alugoju
- Natural Products for Neuroprotection and Anti-Ageing Research Unit, Chulalongkorn University, Bangkok, Thailand
- Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - V K D Krishna Swamy
- Department of Biochemistry and Molecular Biology, Pondicherry University (A Central University), Puducherry, India
| | | | - Tewin Tencomnao
- Natural Products for Neuroprotection and Anti-Ageing Research Unit, Chulalongkorn University, Bangkok, Thailand
- Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
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6
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Zeshan A, Abdullah M, Adil MF, Wei D, Noman M, Ahmed T, Sehar S, Ouyang Y, Shamsi IH. Improvement of morpho-physiological, ultrastructural and nutritional profiles in wheat seedlings through astaxanthin nanoparticles alleviating the cadmium toxicity. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:126511. [PMID: 34246522 DOI: 10.1016/j.jhazmat.2021.126511] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 05/07/2021] [Accepted: 06/22/2021] [Indexed: 05/13/2023]
Abstract
Heavy metal accumulation in arable lands and water bodies has become one of the serious global issues among multitude of food security challenges. In particular, cadmium (Cd) concentration has been increasing substantially in the environment that negatively affects the growth and yield of important agricultural crops, especially wheat (Triticum aestivum L.). No doubt, nanotechnology is a revolutionary science but the comprehension of nanoparticle-plants interaction and its potential alleviatory role against metal stress is still elusive. Here, we investigated the mechanistic role of astaxanthin nanoparticles (AstNPs) in Cd stress amelioration and their interaction with wheat under Cd-spiked conditions. The AstNPs fabrication was confirmed through ultraviolet visible spectroscopy, where the particles showed characteristic peak at 423 nm. However, Fourier transform infrared, X-ray diffraction, scanning electron microscopy and transmission electron microscopy analyses confirmed the presence of stabilized spherical-shaped nanocrystals of AstNPs within the size range of 12.03-30.37 nm. The hydroponic application of AstNPs (100 mg L-1) to Cd-affected wheat plants increased shoot height (59%), shoot dry weight (31%), nitrogen concentration (42%), and phosphorus concentration (26%) as compared to non-treated Cd affected seedlings. Moreover, AstNPs-treated plants showed reduction in acropetal Cd translocation (29%) in contrast to plants treated with Cd only. Under Cd-spiked conditions, AstNPs-treated plants displayed an improved nutrient profile (P, N, K+ and Ca2+) with a relative decrease in Na+ content in comparison with non-treated plants. Interestingly, it was found that AstNPs restricted the translocation of Cd to aerial plant parts by negatively regulating Cd transporter genes (TaHMA2 and TaHMA3), and relieved plants from oxidative burst by activating antioxidant machinery via triggering expressions of TaSOD and TaPOD genes. Consequently, it was observed that the application of AstNPs helped in maintaining the nutrient acquisition and ionic homeostasis in Cd-affected wheat plants, which subsequently improved the physiochemical profiles of plants under Cd-stress. This study suggests that AstNPs plausibly serve as stress stabilizers for plants under heavy metal-polluted environment.
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Affiliation(s)
- Ali Zeshan
- Department of Agronomy, College of Agriculture and Biotechnology, Key Laboratory of Crop Germplasm Resource, Zhejiang University, Hangzhou 310058, PR China
| | - Muhammad Abdullah
- Department of Agronomy, College of Agriculture and Biotechnology, Key Laboratory of Crop Germplasm Resource, Zhejiang University, Hangzhou 310058, PR China
| | - Muhammad Faheem Adil
- Department of Agronomy, College of Agriculture and Biotechnology, Key Laboratory of Crop Germplasm Resource, Zhejiang University, Hangzhou 310058, PR China
| | - Dongming Wei
- Department of Agronomy, College of Agriculture and Biotechnology, Key Laboratory of Crop Germplasm Resource, Zhejiang University, Hangzhou 310058, PR China
| | - Muhammad Noman
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058 Hangzhou, PR China
| | - Temoor Ahmed
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058 Hangzhou, PR China
| | - Shafaque Sehar
- Department of Agronomy, College of Agriculture and Biotechnology, Key Laboratory of Crop Germplasm Resource, Zhejiang University, Hangzhou 310058, PR China
| | - Younan Ouyang
- China National Rice Research Institute (CNRRI), Fuyang 311400, PR China
| | - Imran Haider Shamsi
- Department of Agronomy, College of Agriculture and Biotechnology, Key Laboratory of Crop Germplasm Resource, Zhejiang University, Hangzhou 310058, PR China.
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7
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Nishida Y, Nawaz A, Hecht K, Tobe K. Astaxanthin as a Novel Mitochondrial Regulator: A New Aspect of Carotenoids, beyond Antioxidants. Nutrients 2021; 14:nu14010107. [PMID: 35010981 PMCID: PMC8746862 DOI: 10.3390/nu14010107] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/21/2021] [Accepted: 12/23/2021] [Indexed: 12/12/2022] Open
Abstract
Astaxanthin is a member of the carotenoid family that is found abundantly in marine organisms, and has been gaining attention in recent years due to its varied biological/physiological activities. It has been reported that astaxanthin functions both as a pigment, and as an antioxidant with superior free radical quenching capacity. We recently reported that astaxanthin modulated mitochondrial functions by a novel mechanism independent of its antioxidant function. In this paper, we review astaxanthin’s well-known antioxidant activity, and expand on astaxanthin’s lesser-known molecular targets, and its role in mitochondrial energy metabolism.
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Affiliation(s)
- Yasuhiro Nishida
- First Department of Internal Medicine, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
- Fuji Chemical Industries, Co., Ltd., 55 Yokohoonji, Kamiich-machi, Nakaniikawa-gun, Toyama 930-0405, Japan
- Correspondence: (Y.N.); (A.N.); (K.T.)
| | - Allah Nawaz
- First Department of Internal Medicine, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
- Department of Molecular and Medical Pharmacology, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
- Correspondence: (Y.N.); (A.N.); (K.T.)
| | - Karen Hecht
- AstaReal, Inc., 3 Terri Lane, Unit 12, Burlington, NJ 08016, USA;
| | - Kazuyuki Tobe
- First Department of Internal Medicine, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
- Correspondence: (Y.N.); (A.N.); (K.T.)
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8
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Cao Y, Yang L, Qiao X, Xue C, Xu J. Dietary astaxanthin: an excellent carotenoid with multiple health benefits. Crit Rev Food Sci Nutr 2021:1-27. [PMID: 34581210 DOI: 10.1080/10408398.2021.1983766] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Astaxanthin is a carotenoid widely found in marine organisms and microorganisms. With extensive use in nutraceuticals, cosmetics, and animal feed, astaxanthin will have the largest share in the global market for carotenoids in the near future. Owing to its unique molecular features, astaxanthin has excellent antioxidant activity and holds promise for use in biochemical studies. This review focuses on the observed health benefits of dietary astaxanthin, as well as its underlying bioactivity mechanisms. Recent studies have increased our understanding of the role of isomerization and esterification in the structure-function relationship of dietary astaxanthin. Gut microbiota may involve the fate of astaxanthin during digestion and absorption; thus, further knowledge is needed to establish accurate recommendations for dietary intake of both healthy and special populations. Associated with the regulation of redox balance and multiple biological mechanisms, astaxanthin is proposed to affect oxidative stress, inflammation, cell death, and lipid metabolism in humans, thus exerting benefits for skin condition, eye health, cardiovascular system, neurological function, exercise performance, and immune response. Additionally, preclinical trials predict its potential effects such as intestinal flora regulation and anti-diabetic activity. Therefore, astaxanthin is worthy of further investigation for boosting human health, and wide applications in the food industry.
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Affiliation(s)
- Yunrui Cao
- College of Food Science and Engineering, Ocean University of China, Qingdao, PR China
| | - Lu Yang
- College of Food Science and Engineering, Ocean University of China, Qingdao, PR China
| | - Xing Qiao
- College of Food Science and Engineering, Ocean University of China, Qingdao, PR China
| | - Changhu Xue
- College of Food Science and Engineering, Ocean University of China, Qingdao, PR China.,Qingdao National Laboratory for Marine Science and Technology, Qingdao, PR China
| | - Jie Xu
- College of Food Science and Engineering, Ocean University of China, Qingdao, PR China
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Niu J, Zhao W, Lu DQ, Xie JJ, He XS, Fang HH, Liao SY. Dual-Function Analysis of Astaxanthin on Golden Pompano ( Trachinotus ovatus) and Its Role in the Regulation of Gastrointestinal Immunity and Retinal Mitochondrial Dysfunction Under Hypoxia Conditions. Front Physiol 2020; 11:568462. [PMID: 33335485 PMCID: PMC7736049 DOI: 10.3389/fphys.2020.568462] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 10/22/2020] [Indexed: 11/17/2022] Open
Abstract
The present study investigated the potential mechanisms of astaxanthin in the regulation of gastrointestinal immunity and retinal mitochondrial function of golden pompano (Trachinotus ovatus). Triplicate groups of juvenile T. ovatus (mean initial weight: 6.03 ± 0.01 g) were fed one of six diets (D1, D2, D3, D4, D5, and D6) for 8 weeks, with each diet containing various concentrations of astaxanthin (0, 0.0005, 0.001, 0.005, 0.01, or 0.1%, respectively). Growth performance of fish fed the D2–D5 diets was higher than that of fish fed the D1 diet; however, growth performance and survival of fish deteriorated sharply in fish fed the D6 diet. Gut villus in fish fed the D2–D5 diets were significantly longer and wider than that of fish fed the D6 diet. Feeding with D2–D5 diets led to increased abundance of Bacillus, Pseudomonas, Oceanobacillus, Lactococcus, Halomonas, Lactobacillus, and Psychrobacter while abundance of Vibrio and Bacterium decreased. Additionally, feeding with the D6 diet resulted in a sharp decline in Pseudomonas and Lactobacillus abundance and a sharp increase in Vibrio abundance. A low dissolved oxygen environment (DO, 1.08 mg/L) was conducted for 10 h after the rearing trial. No fish mortality was observed for any of the diet treatments. Lysozyme (LZY) activity in fish fed the D6 diet decreased sharply and was significantly lower than that in other groups. ROS production also decreased sharply in fish fed the D6 diet. Moreover, the conjunctiva and sclera in the fish fed the D6 diet were indistinguishable. Suitable dietary astaxanthin supplementation levels (0.005–0.1%) exerting a neuroprotective effect from low dissolved oxygen environments is due to up-regulated expression of anti-apoptotic factors, such as phosphorylated Bcl-2-associated death promoter (pBAD), phosphorylated glycogen synthase kinase-3β (pGSK-3β), Bcl-2 extra large (Bcl-xL), and down-regulated expression of Bcl-2-associated X protein (Bax) pro-apoptotic factor in retinas. Furthermore, suitable dietary astaxanthin levels (0.0005–0.01%) suppressed up-regulation of critical mitochondrial components, such as peroxisome proliferator-activated receptor gamma coactivator-1α (PGC-1α), mitochondrial transcription factor A (TFAM), and mitochondrial DNA (mtDNA), while excessive astaxanthin supplementation produces the opposite effect. In brief, high-dose astaxanthin arouses and aggravates low dissolved oxygen-induced inflammation, oxidative stress, intestinal disorder, retinal apoptosis, and retinal mitochondrial dysfunction in T. ovatus. Second-degree polynomial regression of WG indicated that the optimum dietary astaxanthin for juvenile T. ovatus is 0.049%.
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Affiliation(s)
- Jin Niu
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animal and Guangdong Province Key Laboratory for Aquatic Economic Animals, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Wei Zhao
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animal and Guangdong Province Key Laboratory for Aquatic Economic Animals, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Dan-Qi Lu
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animal and Guangdong Province Key Laboratory for Aquatic Economic Animals, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Jia-Jun Xie
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animal and Guangdong Province Key Laboratory for Aquatic Economic Animals, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Xuan-Shu He
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animal and Guangdong Province Key Laboratory for Aquatic Economic Animals, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Hao-Hang Fang
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animal and Guangdong Province Key Laboratory for Aquatic Economic Animals, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Shi-Yu Liao
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animal and Guangdong Province Key Laboratory for Aquatic Economic Animals, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
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Hashimoto H, Arai K, Takahashi J, Chikuda M. The effect of aging on the antioxidative activity of astaxanthin in human aqueous humor. J Clin Biochem Nutr 2020; 68:169-172. [PMID: 33879969 DOI: 10.3164/jcbn.20-87] [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: 05/26/2020] [Accepted: 07/07/2020] [Indexed: 11/22/2022] Open
Abstract
We previously evaluated the antioxidative effects of astaxanthin intake in the aqueous humor by measuring reactive oxygen species-related parameters, including O2 •- scavenging activity, H2O2 level, and total hydroperoxides level. In this study, we analyzed the antioxidative effects of astaxanthin in relation to age in 16 males and 19 females (average age 71.3 and 70.6, respectively) who underwent bilateral cataract surgery on one side before and the other side after astaxanthin intake (6 mg/day for 2 weeks). None of the parameters correlated with age before astaxanthin intake, but only total hydroperoxides level was significantly correlated after the astaxanthin intake (r = 0.4, p<0.05). Total hydroperoxides levels were similar in younger and older patients (<70 vs ≥70 years) before astaxanthin, but decreased significantly more in younger patients (-0.21 ± 0.18 vs -0.05 ± 0.31, p<0.05) after the intake, resulting in significantly different levels (p<0.05). The previously observed decrease in mean total hydroperoxides levels following astaxanthin intake was therefore considered likely to be attributable to a greater response in younger subjects. Given that total hydroperoxides levels reflect general antioxidative status, astaxanthin intake may exert a greater antioxidative effect in younger patients. Further comparative studies involving younger subjects and different astaxanthin doses are needed.
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Affiliation(s)
- Hirotaka Hashimoto
- Tsukuba Hashimoto Optical Clinic, 530 Furuku, Tsukuba-shi, Ibaraki 305-0021, Japan
| | - Kiyomi Arai
- Department of Ophthalmology, Saitama Medical Center, Dokkyo Medical University, 2-1-50 Minamikoshigaya, Koshigaya, Saitama 343-8555, Japan
| | - Jiro Takahashi
- Fuji Chemical Industry Co., Ltd., 55 Yokohoonji, Kamiichi-machi, Nakaniikawa-gun, Toyama 930-0397, Japan
| | - Makoto Chikuda
- Department of Ophthalmology, Saitama Medical Center, Dokkyo Medical University, 2-1-50 Minamikoshigaya, Koshigaya, Saitama 343-8555, Japan
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Lai TT, Yang CM, Yang CH. Astaxanthin Protects Retinal Photoreceptor Cells against High Glucose-Induced Oxidative Stress by Induction of Antioxidant Enzymes via the PI3K/Akt/Nrf2 Pathway. Antioxidants (Basel) 2020; 9:antiox9080729. [PMID: 32785112 PMCID: PMC7465141 DOI: 10.3390/antiox9080729] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/07/2020] [Accepted: 08/07/2020] [Indexed: 02/07/2023] Open
Abstract
Diabetic retinopathy (DR) is a major microvascular complication that can lead to severe visual impairment in patients with diabetes. The elevated oxidative stress and increased reactive oxygen species (ROS) production induced by hyperglycemia have been reported to play an important role in the complex pathogenesis of DR. Astaxanthin (AST), a natural carotenoid derivative, has been recently recognized as a strong free radical scavenger and might, therefore, be beneficial in different diseases, including DR. In this study, we evaluated the potential role of AST as an antioxidative and antiapoptotic agent in protecting retinal cells and also investigated the involvement of the PI3K/Akt/Nrf2 pathway in AST-mediated effects. We treated high glucose-cultured mouse photoreceptor cells (661W) with different concentrations of AST and analyzed ROS production and cell apoptosis in the different regimens. Moreover, we also analyzed the expression of PI3K, Akt, Nrf2, and Phase II enzymes after AST treatment. Our results showed that AST dose-dependently reduced ROS production and attenuated 661W cell apoptosis in a high glucose environment. Importantly, its protective effect was abolished by treatment with PI3K or Nrf2 inhibitors, indicating the involvement of the PI3K/Akt/Nrf2 pathway. These results suggest AST as a nutritional supplement that could benefit patients with DR.
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Affiliation(s)
- Tso-Ting Lai
- Department of Ophthalmology, National Taiwan University Hospital, Taipei 100, Taiwan; (T.-T.L.); (C.-M.Y.)
- Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei 100, Taiwan
| | - Chung-May Yang
- Department of Ophthalmology, National Taiwan University Hospital, Taipei 100, Taiwan; (T.-T.L.); (C.-M.Y.)
- Department of Ophthalmology, College of Medicine, National Taiwan University, Taipei 100, Taiwan
| | - Chang-Hao Yang
- Department of Ophthalmology, National Taiwan University Hospital, Taipei 100, Taiwan; (T.-T.L.); (C.-M.Y.)
- Department of Ophthalmology, College of Medicine, National Taiwan University, Taipei 100, Taiwan
- Correspondence: ; Tel.: +886-2-2312-3456 (ext. 62131); Fax: +886-2-2393-4420
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Wong SK, Ima-Nirwana S, Chin KY. Effects of astaxanthin on the protection of muscle health (Review). Exp Ther Med 2020; 20:2941-2952. [PMID: 32855659 PMCID: PMC7444411 DOI: 10.3892/etm.2020.9075] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 06/17/2020] [Indexed: 02/07/2023] Open
Abstract
Sarcopenia refers to the involuntary and generalized deterioration of skeletal muscle mass and strength, which may lead to falls, frailty, physical disability, loss of independence, morbidity and mortality. The majority of molecular and cellular changes involved in the degeneration of muscle tissues are mediated by oxidative stress. Therefore, astaxanthin may act as a potential adjunct therapy for sarcopenia owing to its antioxidant activity. The present review examines the effects of astaxanthin on the promotion of skeletal muscle performance and prevention of muscle atrophy and the potential mechanisms underlying these effects. The available evidence till date was retrieved from PubMed and Medline electronic databases. The present review reported the beneficial effects of astaxanthin in preventing muscle degeneration in various animal models of sarcopenia. In humans, the effects of astaxanthin in combination with other antioxidants on muscle health are mixed, wherein positive and negligible effects were reported. Mechanistic studies revealed that astaxanthin promotes muscle health by reducing oxidative stress, myoblast apoptosis and proteolytic pathways while promoting mitochondria regeneration and formation of blood vessels. Thus, astaxanthin is a potential therapeutic agent for sarcopenia but its effects in humans require further validation.
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Affiliation(s)
- Sok Kuan Wong
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Ya'acob Latif, Bandar Tun Razak, 56000 Cheras, Kuala Lumpur, Malaysia
| | - Soelaiman Ima-Nirwana
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Ya'acob Latif, Bandar Tun Razak, 56000 Cheras, Kuala Lumpur, Malaysia
| | - Kok-Yong Chin
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Ya'acob Latif, Bandar Tun Razak, 56000 Cheras, Kuala Lumpur, Malaysia
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Yilmaz Y, Tumkaya L, Mercantepe T, Akyildiz K. Protective effect of astaxanthin against cisplatin-induced gastrointestinal toxicity in rats. Eur Surg 2020. [DOI: 10.1007/s10353-020-00643-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Haematococcus pluvialis-Derived Astaxanthin Is a Potential Neuroprotective Agent against Optic Nerve Ischemia. Mar Drugs 2020; 18:md18020085. [PMID: 32012819 PMCID: PMC7074344 DOI: 10.3390/md18020085] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 01/25/2020] [Accepted: 01/27/2020] [Indexed: 12/13/2022] Open
Abstract
Astaxanthin, a xanthophyll belonging to the family of carotenoids, is a potent antioxidant. However, much less is known about its protective effects on the oxidative stress of ischemic optic nerve. We hypothesized that astaxanthin treatment could protect retinal ganglion cells (RGCs) from death via anti-oxidative and anti-apoptotic responses. Adult male Wistar rats were fed astaxanthin (100 mg/kg/day) by daily gavage for seven consecutive days, either before or after inducing oxidative stress in the retina by photodynamic treatment. The visual function, RGC apoptosis, macrophage infiltration in the optic nerve, expression of p-Akt, p-mTOR, SGK1, pS6K, Nrf2, p62, TNFα, Il1β in retinas were investigated. The visual function and the RGC densities were significantly higher in both pre- and post-treatment groups. The numbers of apoptotic RGCs and extrinsic macrophage infiltration in the optic nerve were significantly decreased in both astaxanthin-treated groups. Furthermore, pre- and post-treatment of astaxanthin showed a higher expression of p-Akt, p-mTOR, Nrf2 and superoxide dismutase activity, and a lower expression of cleaved caspase-3, suggesting anti-apoptotic and anti-oxidative roles. Our findings indicate that astaxanthin can preserve visual function and reduce RGC apoptosis after ischemic insults. Including astaxanthin in daily diet as a supplement may be beneficiary for ischemic optic neuropathy.
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Brendler T, Williamson EM. Astaxanthin: How much is too much? A safety review. Phytother Res 2019; 33:3090-3111. [DOI: 10.1002/ptr.6514] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 08/12/2019] [Accepted: 09/04/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Thomas Brendler
- Plantaphile Collingswood NJ USA
- Department of Botany and Plant BiotechnologyUniversity of Johannesburg Johannesburg South Africa
- Traditional Medicinals Rohnert Park CA USA
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Guan L, Liu J, Yu H, Tian H, Wu G, Liu B, Dong P, Li J, Liang X. Water-dispersible astaxanthin-rich nanopowder: preparation, oral safety and antioxidant activity in vivo. Food Funct 2019; 10:1386-1397. [PMID: 30747932 DOI: 10.1039/c8fo01593g] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this research, astaxanthin-rich nanopowder was prepared by nanoencapsulation and freeze-drying techniques with enhanced bioavailability and antioxidant activities. The nanopowder showed a maximum solubility of 230 mg mL-1 with an astaxanthin content as high as 2.9%. Compared with free astaxanthin, the astaxanthin-loaded nanopowder exhibited a more efficient antioxidant effect: an oral dose of 0.9 mg per kg BW significantly reduced the malondialdehyde and protein carbonyl contents, and increased the glutathione content as well as the superoxide dismutase activities in alcohol-induced acute hepatic injured mice, and maintained these oxidative stress indicators at a normal level for a longer period when treated with nanoencapsulated-astaxanthin than free astaxanthin. Simulated gastrointestinal tract studies demonstrated that the nanopowder with pH and DNase I-dependent dissociation properties delivered astaxanthin efficiently to the small intestine. Astaxanthin-rich nanopowder with a dose as high as 2.4 mg per kg BW (equivalent to astaxanthin) showed no chronic toxicity to mice in terms of hematology and pathological histology, indicating its impressive biocompatibility for biomedical applications. Pharmacokinetics and relative bioavailability (207%) of the nanopowder further proved that DNA/chitosan nanocarriers significantly improved the delivery efficiency of astaxanthin. With enhanced bioavailability and antioxidant activities, this novel type of astaxanthin-loaded nanopowder is expected to find broad application in the food and drug industry.
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Affiliation(s)
- Lei Guan
- College of food Science and Engineering, Ocean University of China, Qingdao 266003, PR China.
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Hashimoto H, Arai K, Takahashi J, Chikuda M. Effects of astaxanthin on VEGF level and antioxidation in human aqueous humor: difference by sex. J Clin Biochem Nutr 2019; 65:47-51. [PMID: 31379413 PMCID: PMC6667389 DOI: 10.3164/jcbn.18-110] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 01/20/2019] [Indexed: 12/20/2022] Open
Abstract
In our previous report, we showed the effect of astaxanthin intake on VEGF level in the aqueous humor and the relationship between VEGF level and reactive oxygen species-related parameters and other relevant factors. VEGF level is associated with total hydroperoxide level, and a multivariate analysis identified sex as a secondary factor affecting these relationships. Here, we analyzed the effects of astaxanthin on the relationship between VEGF level and reactive oxygen species-related parameters by sex. Patients (16 males and 19 females, aged 71.3 and 70.6, respectively) underwent bilateral cataract surgery on one side before and the other side after astaxanthin treatment (6 mg/day for 2 weeks). Levels of VEGF, hydrogen peroxide, and total hydroperoxide, and O2 •- scavenging activity, were measured in the aqueous humor. In females only, VEGF level was negatively correlated with O2 •- scavenging activity before the astaxanthin intake (r = -0.6, p<0.01) and positively correlated with total hydroperoxide level before and after the astaxanthin intake (r = 0.7 and 0.8, respectively, p<0.01). In conclusion, astaxanthin appears to affect O2 •- scavenging activity in the aqueous humor in females, and is likely to be involved in the control of VEGF levels in the anterior eye.
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Affiliation(s)
- Hirotaka Hashimoto
- Tsukuba Hashimoto Optical Clinic, 530 Furuku, Tsukuba-shi, Ibaraki 305-0021, Japan
| | - Kiyomi Arai
- Department of Ophthalmology, Saitama Medical Center, Dokkyo Medical University, 2-1-50 Minamikoshigaya, Koshigaya-shi, Saitama 343-8555, Japan
| | - Jiro Takahashi
- Fuji Chemical Industry Co., Ltd., 55 Yokohoonji, Kamiichi-machi, Nakaniikawa-gun, Toyama 930-0397, Japan
| | - Makoto Chikuda
- Department of Ophthalmology, Saitama Medical Center, Dokkyo Medical University, 2-1-50 Minamikoshigaya, Koshigaya-shi, Saitama 343-8555, Japan
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Fındık H, Tumkaya L, Yılmaz A, Gökhan Aslan M, Okutucu M, Akyildiz K, Mercantepe T. The protective effects of astaxanthin against cisplatin-induced retinal toxicity. Cutan Ocul Toxicol 2019; 38:59-65. [DOI: 10.1080/15569527.2018.1518330] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Hüseyin Fındık
- Department of Ophthalmology, Faculty of Medicine, Recep Tayyip Erdogan University, Rize, Turkey
| | - Levent Tumkaya
- Department of Histology and Embryology, Faculty of Medicine, Recep Tayyip Erdogan University, Rize, Turkey
| | - Adnan Yılmaz
- Department of Biochemistry, Faculty of Medicine, Recep Tayyip Erdogan University, Rize, Turkey
| | - Mehmet Gökhan Aslan
- Department of Ophthalmology, Faculty of Medicine, Recep Tayyip Erdogan University, Rize, Turkey
| | - Murat Okutucu
- Department of Ophthalmology, Faculty of Medicine, Recep Tayyip Erdogan University, Rize, Turkey
| | - Kerimali Akyildiz
- Department of Medical Services and Techniques, Health Care Services Vocational School Recep Tayyip Erdogan University, Rize, Turkey
| | - Tolga Mercantepe
- Department of Histology and Embryology, Faculty of Medicine, Recep Tayyip Erdogan University, Rize, Turkey
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Viera I, Pérez-Gálvez A, Roca M. Bioaccessibility of Marine Carotenoids. Mar Drugs 2018; 16:E397. [PMID: 30360450 PMCID: PMC6213429 DOI: 10.3390/md16100397] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 10/16/2018] [Accepted: 10/19/2018] [Indexed: 12/26/2022] Open
Abstract
The benefit of carotenoids to human health is undeniable and consequently, their use for this purpose is growing rapidly. Additionally, the nutraceutical properties of carotenoids have attracted attention of the food industry, especially in a new market area, the 'cosmeceuticals.' Marine organisms (microalgae, seaweeds, animals, etc.) are a rich source of carotenoids, with optimal properties for industrial production and biotechnological manipulation. Consequently, several papers have reviewed the analysis, characterization, extraction and determination methods, biological functions and industrial applications. But, now, the bioaccessibility and bioactivity of marine carotenoids has not been focused of any review, although important achievements have been published. The specific and diverse characteristic of the marine matrix determines the bioavailability of carotenoids, some of them unique in the nature. Considering the importance of the bioavailability not just from the health and nutritional point of view but also to the food and pharmaceutical industry, we consider that the present review responds to an actual demand.
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Affiliation(s)
- Isabel Viera
- Food Phytochemistry Department, Instituto de la Grasa (CSIC), University Campus, Building 46, Carretera de Utrera km. 1., 41013 Sevilla, Spain.
| | - Antonio Pérez-Gálvez
- Food Phytochemistry Department, Instituto de la Grasa (CSIC), University Campus, Building 46, Carretera de Utrera km. 1., 41013 Sevilla, Spain.
| | - María Roca
- Food Phytochemistry Department, Instituto de la Grasa (CSIC), University Campus, Building 46, Carretera de Utrera km. 1., 41013 Sevilla, Spain.
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Protective Effects of Oral Astaxanthin Nanopowder against Ultraviolet-Induced Photokeratitis in Mice. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:1956104. [PMID: 29104724 PMCID: PMC5637851 DOI: 10.1155/2017/1956104] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2017] [Revised: 06/14/2017] [Accepted: 07/25/2017] [Indexed: 12/19/2022]
Abstract
Purpose Astaxanthin (AST) has a strong antioxidant cellular membrane chaperone protective effect. Recently, a water-soluble nanosized AST (nano-AST) form was produced, which is expected to improve the efficacy of oral intake effects. The purpose of this study was to examine whether oral nano-AST has therapeutic effects on UV-induced photokeratitis in mice. Methods C57BL/6 mice were administered twice with either nano-AST, AST oil, lutein, or bilberry extracts 3 hours before and shortly before UV irradiation (dose: 400 mJ/cm2). The corneas were collected 24 hours after irradiation and stained with H&E and TUNEL. NF-κB, dihydroethidium (DHE), COX-2, p-IκB-α, TNFα, and CD45 expression were evaluated through immunohistochemistry, Western blot analysis, and qPCR. Results Corneal epithelium was significantly thicker in mice orally administered with nano-AST than in the others (p < 0.01), with significantly less NF-κB nucleus translocation (p < 0.001), and significantly fewer TUNEL cells (p < 0.01). Weaker DHE signals were detected in the nano-AST group (p < 0.05) relative to the others. Furthermore, reduced inflammation and decreased cell death in corneal tissue were observed in the nano-AST group, as indicated by a reduction in the expression of COX-2, p-IκB-α, TNFα, and CD45. Conclusions Oral administration of nano-AST demonstrated a protective effect on UV-induced photokeratitis via antioxidative, anti-inflammatory, and antiapoptotic activity.
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Hashimoto H, Arai K, Hayashi S, Okamoto H, Takahashi J, Chikuda M. The effect of astaxanthin on vascular endothelial growth factor (VEGF) levels and peroxidation reactions in the aqueous humor. J Clin Biochem Nutr 2016; 59:10-5. [PMID: 27499573 PMCID: PMC4933686 DOI: 10.3164/jcbn.15-137] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Accepted: 01/26/2016] [Indexed: 11/22/2022] Open
Abstract
We explored the effect of astaxanthin on vascular endothelial growth factor in the aqueous humor, by measuring vascular endothelial growth factor levels and oxidation-related parameters, including O2•− scavenging activity, H2O2 level, and total hydroperoxide level in the aqueous humor, obtained from 35 patients before and after astaxanthin administration. We evaluated the relationship between vascular endothelial growth factor and the oxidation-related parameters as well as the patient’s diabetic status, age, and sex. Vascular endothelial growth factor levels did not change significantly but O2•− scavenging activity and total hydroperoxide level significantly (p<0.05) increased and decreased, respectively. Both pre- and post- astaxanthin intake, vascular endothelial growth factor and total hydroperoxide levels were positively correlated (Pearson: r = 0.42, p<0.05; r = 0.55, p<0.01, respectively). Analysis of vascular endothelial growth factor levels and O2•− scavenging activities gave a negative correlation but only pre-astaxanthin intake (r = −0.37, p<0.05). Differences in levels pre- and post-astaxanthin only showed association between vascular endothelial growth factor and total hydroperoxide (r = 0.49, p<0.01) analyzed by multiple linear regression. Using multivariate analysis, pre-astaxanthin vascular endothelial growth factor level was associated with two factors of total hydroperoxide and O2•− scavenging activity (r = 0.49, p<0.05), and post-astaxanthin vascular endothelial growth factor level with two factors of total hydroperoxide and sex (r = 0.60, p<0.01). Astaxanthin intake may have affected vascular endothelial growth factor level through its antioxidant effects by increasing O2•− scavenging activity and suppressing peroxide production.
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Affiliation(s)
- Hirotaka Hashimoto
- Tsukuba Hashimoto Optical Clinic, 530 Furuku, Tsukuba, Ibaraki 305-0021, Japan; Department of Ophthalmology, Koshigaya Hospital, Dokkyo University School of Medicine, 2-1-50 Minamikoshigaya, Saitama 343-8555, Japan
| | - Kiyomi Arai
- Department of Ophthalmology, Koshigaya Hospital, Dokkyo University School of Medicine, 2-1-50 Minamikoshigaya, Saitama 343-8555, Japan
| | - Shimmin Hayashi
- Department of Ophthalmology, Koshigaya Hospital, Dokkyo University School of Medicine, 2-1-50 Minamikoshigaya, Saitama 343-8555, Japan; Lively Eye Clinic, 3-1-4 Asahi-cho, Souka-shi, Saitama 340-0053, Japan
| | - Hiroyuki Okamoto
- Embassy of Japan in Jordan, No. 7, Fa'eq Halazon St. Between 5th and 6th Circle, North Abdoun, Amman 11181, Jordan
| | - Jiro Takahashi
- Fuji Chemical Industry Co., LTD., 55 Yokohoonji, Kamiichi-machi, Nakaniikawa-gun, Toyama 930-0397, Japan
| | - Makoto Chikuda
- Department of Ophthalmology, Koshigaya Hospital, Dokkyo University School of Medicine, 2-1-50 Minamikoshigaya, Saitama 343-8555, Japan
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Ravi Kumar S, Narayan B, Sawada Y, Hosokawa M, Miyashita K. Combined effect of astaxanthin and squalene on oxidative stress in vivo. Mol Cell Biochem 2016; 417:57-65. [DOI: 10.1007/s11010-016-2713-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 04/27/2016] [Indexed: 01/08/2023]
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Shah MMR, Liang Y, Cheng JJ, Daroch M. Astaxanthin-Producing Green Microalga Haematococcus pluvialis: From Single Cell to High Value Commercial Products. FRONTIERS IN PLANT SCIENCE 2016; 7:531. [PMID: 27200009 PMCID: PMC4848535 DOI: 10.3389/fpls.2016.00531] [Citation(s) in RCA: 363] [Impact Index Per Article: 45.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2015] [Accepted: 04/04/2016] [Indexed: 05/20/2023]
Abstract
Many species of microalgae have been used as source of nutrient rich food, feed, and health promoting compounds. Among the commercially important microalgae, Haematococcus pluvialis is the richest source of natural astaxanthin which is considered as "super anti-oxidant." Natural astaxanthin produced by H. pluvialis has significantly greater antioxidant capacity than the synthetic one. Astaxanthin has important applications in the nutraceuticals, cosmetics, food, and aquaculture industries. It is now evident that, astaxanthin can significantly reduce free radicals and oxidative stress and help human body maintain a healthy state. With extraordinary potency and increase in demand, astaxanthin is one of the high-value microalgal products of the future.This comprehensive review summarizes the most important aspects of the biology, biochemical composition, biosynthesis, and astaxanthin accumulation in the cells of H. pluvialis and its wide range of applications for humans and animals. In this paper, important and recent developments ranging from cultivation, harvest and postharvest bio-processing technologies to metabolic control and genetic engineering are reviewed in detail, focusing on biomass and astaxanthin production from this biotechnologically important microalga. Simultaneously, critical bottlenecks and major challenges in commercial scale production; current and prospective global market of H. pluvialis derived astaxanthin are also presented in a critical manner. A new biorefinery concept for H. pluvialis has been also suggested to guide toward economically sustainable approach for microalgae cultivation and processing. This report could serve as a useful guide to present current status of knowledge in the field and highlight key areas for future development of H. pluvialis astaxanthin technology and its large scale commercial implementation.
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Affiliation(s)
- Md. Mahfuzur R. Shah
- School of Environment and Energy, Peking University, Shenzhen Graduate SchoolShenzhen, China
| | - Yuanmei Liang
- School of Environment and Energy, Peking University, Shenzhen Graduate SchoolShenzhen, China
| | - Jay J. Cheng
- School of Environment and Energy, Peking University, Shenzhen Graduate SchoolShenzhen, China
- Department of Biological and Agricultural Engineering, North Carolina State UniversityRaleigh, NC, USA
| | - Maurycy Daroch
- School of Environment and Energy, Peking University, Shenzhen Graduate SchoolShenzhen, China
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Free Radical Scavenging and Cellular Antioxidant Properties of Astaxanthin. Int J Mol Sci 2016; 17:ijms17010103. [PMID: 26784174 PMCID: PMC4730345 DOI: 10.3390/ijms17010103] [Citation(s) in RCA: 96] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Revised: 01/05/2016] [Accepted: 01/08/2016] [Indexed: 01/08/2023] Open
Abstract
Astaxanthin is a coloring agent which is used as a feed additive in aquaculture nutrition. Recently, potential health benefits of astaxanthin have been discussed which may be partly related to its free radical scavenging and antioxidant properties. Our electron spin resonance (ESR) and spin trapping data suggest that synthetic astaxanthin is a potent free radical scavenger in terms of diphenylpicryl-hydrazyl (DPPH) and galvinoxyl free radicals. Furthermore, astaxanthin dose-dependently quenched singlet oxygen as determined by photon counting. In addition to free radical scavenging and singlet oxygen quenching properties, astaxanthin induced the antioxidant enzyme paroxoanase-1, enhanced glutathione concentrations and prevented lipid peroxidation in cultured hepatocytes. Present results suggest that, beyond its coloring properties, synthetic astaxanthin exhibits free radical scavenging, singlet oxygen quenching, and antioxidant activities which could probably positively affect animal and human health.
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Ishikawa S, Hashizume K, Nishigori H, Tezuka Y, Sanbe A, Kurosaka D. Effect of Astaxanthin on Cataract Formation Induced by Glucocorticoids in the Chick Embryo. Curr Eye Res 2014; 40:535-40. [DOI: 10.3109/02713683.2014.935445] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Protective effect of astaxanthin on liver fibrosis through modulation of TGF-β1 expression and autophagy. Mediators Inflamm 2014; 2014:954502. [PMID: 24860243 PMCID: PMC4016904 DOI: 10.1155/2014/954502] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Revised: 02/16/2014] [Accepted: 02/25/2014] [Indexed: 02/07/2023] Open
Abstract
Liver fibrosis is a common pathway leading to cirrhosis and a worldwide clinical issue. Astaxanthin is a red carotenoid pigment with antioxidant, anticancer, and anti-inflammatory properties. The aim of this study was to investigate the effect of astaxanthin on liver fibrosis and its potential protective mechanisms. Liver fibrosis was induced in a mouse model using CCL4 (intraperitoneal injection, three times a week for 8 weeks), and astaxanthin was administered everyday at three doses (20, 40, and 80 mg/kg). Pathological results indicated that astaxanthin significantly improved the pathological lesions of liver fibrosis. The levels of alanine aminotransferase aspartate aminotransferase and hydroxyproline were also significantly decreased by astaxanthin. The same results were confirmed in bile duct liagtion, (BDL) model. In addition, astaxanthin inhibited hepatic stellate cells (HSCs) activation and formation of extracellular matrix (ECM) by decreasing the expression of NF-κB and TGF-β1 and maintaining the balance between MMP2 and TIMP1. In addition, astaxanthin reduced energy production in HSCs by downregulating the level of autophagy. These results were simultaneously confirmed in vivo and in vitro. In conclusion, our study showed that 80 mg/kg astaxanthin had a significant protective effect on liver fibrosis by suppressing multiple profibrogenic factors.
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Ambati RR, Phang SM, Ravi S, Aswathanarayana RG. Astaxanthin: sources, extraction, stability, biological activities and its commercial applications--a review. Mar Drugs 2014; 12:128-52. [PMID: 24402174 PMCID: PMC3917265 DOI: 10.3390/md12010128] [Citation(s) in RCA: 968] [Impact Index Per Article: 96.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Revised: 12/10/2013] [Accepted: 12/11/2013] [Indexed: 12/14/2022] Open
Abstract
There is currently much interest in biological active compounds derived from natural resources, especially compounds that can efficiently act on molecular targets, which are involved in various diseases. Astaxanthin (3,3'-dihydroxy-β, β'-carotene-4,4'-dione) is a xanthophyll carotenoid, contained in Haematococcus pluvialis, Chlorella zofingiensis, Chlorococcum, and Phaffia rhodozyma. It accumulates up to 3.8% on the dry weight basis in H. pluvialis. Our recent published data on astaxanthin extraction, analysis, stability studies, and its biological activities results were added to this review paper. Based on our results and current literature, astaxanthin showed potential biological activity in in vitro and in vivo models. These studies emphasize the influence of astaxanthin and its beneficial effects on the metabolism in animals and humans. Bioavailability of astaxanthin in animals was enhanced after feeding Haematococcus biomass as a source of astaxanthin. Astaxanthin, used as a nutritional supplement, antioxidant and anticancer agent, prevents diabetes, cardiovascular diseases, and neurodegenerative disorders, and also stimulates immunization. Astaxanthin products are used for commercial applications in the dosage forms as tablets, capsules, syrups, oils, soft gels, creams, biomass and granulated powders. Astaxanthin patent applications are available in food, feed and nutraceutical applications. The current review provides up-to-date information on astaxanthin sources, extraction, analysis, stability, biological activities, health benefits and special attention paid to its commercial applications.
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Affiliation(s)
- Ranga Rao Ambati
- Institute of Ocean and Earth Sciences, University of Malaya, Kuala Lumpur 50603, Malaysia.
| | - Siew Moi Phang
- Institute of Ocean and Earth Sciences, University of Malaya, Kuala Lumpur 50603, Malaysia.
| | - Sarada Ravi
- Institute of Ocean and Earth Sciences, University of Malaya, Kuala Lumpur 50603, Malaysia.
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