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Nurul Alam AMM, Kim CJ, Kim SH, Kumari S, Lee EY, Hwang YH, Joo ST. Scaffolding fundamentals and recent advances in sustainable scaffolding techniques for cultured meat development. Food Res Int 2024; 189:114549. [PMID: 38876607 DOI: 10.1016/j.foodres.2024.114549] [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: 01/03/2024] [Revised: 02/26/2024] [Accepted: 05/25/2024] [Indexed: 06/16/2024]
Abstract
In cultured meat (CM) production, Scaffolding plays an important role by aiding cell adhesion, growth, differentiation, and alignment. The existence of fibrous microstructure in connective and muscle tissues has attracted considerable interest in the realm of tissue engineering and triggered the interest of researchers to implement scaffolding techniques. A wide array of research efforts is ongoing in scaffolding technologies for achieving the real meat structure on the principality of biomedical research and to replace serum free CM production. Scaffolds made of animal-derived biomaterials are found efficient in replicating the extracellular matrix (ECM), thus focus should be paid to utilize animal byproducts for this purpose. Proper identification and utilization of plant-derived scaffolding biomaterial could be helpful to add diversified options in addition to animal derived sources and reduce in cost of CM production through scaffolds. Furthermore, techniques like electrospinning, modified electrospinning and 3D bioprinting should be focused on to create 3D porous scaffolds to mimic the ECM of the muscle tissue and form real meat-like structures. This review discusses recent advances in cutting edge scaffolding techniques and edible biomaterials related to structured CM production.
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Affiliation(s)
- A M M Nurul Alam
- Division of Applied Life Science (BK21 Four), Gyeongsang National University, Jinju 52852, Republic of Korea.
| | - Chan-Jin Kim
- Division of Applied Life Science (BK21 Four), Gyeongsang National University, Jinju 52852, Republic of Korea.
| | - So-Hee Kim
- Division of Applied Life Science (BK21 Four), Gyeongsang National University, Jinju 52852, Republic of Korea
| | - Swati Kumari
- Division of Applied Life Science (BK21 Four), Gyeongsang National University, Jinju 52852, Republic of Korea
| | - Eun-Yeong Lee
- Division of Applied Life Science (BK21 Four), Gyeongsang National University, Jinju 52852, Republic of Korea
| | - Young-Hwa Hwang
- Institute of Agriculture & Life Science, Gyeongsang National University, Jinju 52852, Republic of Korea.
| | - Seon-Tea Joo
- Division of Applied Life Science (BK21 Four), Gyeongsang National University, Jinju 52852, Republic of Korea; Institute of Agriculture & Life Science, Gyeongsang National University, Jinju 52852, Republic of Korea.
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2
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Ma G, Li X, Tao Q, Ma S, Du H, Hu Q, Xiao H. Impacts of preparation technologies on biological activities of edible mushroom polysaccharides - novel insights for personalized nutrition achievement. Crit Rev Food Sci Nutr 2024:1-23. [PMID: 38821105 DOI: 10.1080/10408398.2024.2352796] [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: 06/02/2024]
Abstract
Edible mushroom polysaccharides (EMPs) as a natural macromolecular carbohydrate have a very complex structure and composition. EMPs are considered ideal candidates for developing healthy products and functional foods and have received significant research attention due to their unique physiological activities such as immunomodulatory, anti-inflammatory, anti-tumor/cancer, gut microbiota regulation, metabolism improvement, and nervous system protection. The structure and monosaccharide composition of edible mushroom polysaccharides have an unknown relationship with their functional activity, which has not been widely studied. Therefore, we summarized the preparation techniques of EMPs and discussed the association between functional activity, preparation methods, structure and composition of EMPs, laying a theoretical foundation for the personalized nutritional achievements of EMP. We also establish the foundation for the further investigation and application of EMPs as novel functional foods and healthy products.
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Affiliation(s)
- Gaoxing Ma
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing University of Finance and Economics, Nanjing, People's Republic of China
| | - Xinyi Li
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing University of Finance and Economics, Nanjing, People's Republic of China
| | - Qi Tao
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing University of Finance and Economics, Nanjing, People's Republic of China
| | - Sai Ma
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing University of Finance and Economics, Nanjing, People's Republic of China
| | - Hengjun Du
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts, USA
| | - Qiuhui Hu
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing University of Finance and Economics, Nanjing, People's Republic of China
| | - Hang Xiao
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts, USA
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3
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Al Qutaibi M, Kagne SR. Exploring the Phytochemical Compositions, Antioxidant Activity, and Nutritional Potentials of Edible and Medicinal Mushrooms. Int J Microbiol 2024; 2024:6660423. [PMID: 38841191 PMCID: PMC11152763 DOI: 10.1155/2024/6660423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 03/22/2024] [Accepted: 05/17/2024] [Indexed: 06/07/2024] Open
Abstract
Mushrooms are a valuable source of food and medicine that have been used for centuries in various cultures. They contain a variety of phytochemicals, such as terpenoids and polysaccharides, that exhibit diverse biological activities, such as antioxidant, anti-inflammatory, anticancer, antimicrobial, immunomodulatory, and antidiabetic effects. However, mushroom's phytochemical composition and bioactivity vary depending on their species, cultivation conditions, processing methods, and extraction techniques. Therefore, using reliable analytical methods and standardized protocols is important for systematically evaluating the quality and quantity of mushroom phytochemicals and their therapeutic potential. This review provides a bibliometric analysis of the recent literature on biological activities, highlights trends in the field, and highlights the countries and journals with the highest contribution. It also discusses the nutritional value of the total content of phenolic and other phytochemicals in some species of mushrooms.
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Affiliation(s)
- Mohammed Al Qutaibi
- Department of Medical Microbiology, Faculty of Science, Ibb University, Ibb, Yemen
- Department of Microbiology, Badrinarayan Barwale College, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad 431001, India
| | - Suresh R. Kagne
- Department of Microbiology, Badrinarayan Barwale College, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad 431001, India
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Zhang Q, Xu Y, Xie L, Shu X, Zhang S, Wang Y, Wang H, Dong Q, Peng W. The function and application of edible fungal polysaccharides. ADVANCES IN APPLIED MICROBIOLOGY 2024; 127:45-142. [PMID: 38763529 DOI: 10.1016/bs.aambs.2024.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2024]
Abstract
Edible fungi, commonly known as mushrooms, are precious medicinal and edible homologous gifts from nature to us. Edible fungal polysaccharides (EFPs) are a variety of bioactive macromolecular which isolated from fruiting bodies, mycelia or fermentation broths of edible or medicinal fungus. Increasing researches have confirmed that EFPs possess multiple biological activities both in vitro and in vivo settings, including antioxidant, antiviral, anti-inflammatory, immunomodulatory, anti-tumor, hypoglycemic, hypolipidemic, and regulating intestinal flora activities. As a result, they have emerged as a prominent focus in the healthcare, pharmaceutical, and cosmetic industries. Fungal EFPs have safe, non-toxic, biodegradable, and biocompatible properties with low immunogenicity, bioadhesion ability, and antibacterial activities, presenting diverse potential applications in the food industries, cosmetic, biomedical, packaging, and new materials. Moreover, varying raw materials, extraction, purification, chemical modification methods, and culture conditions can result in variances in the structure and biological activities of EFPs. The purpose of this review is to provide comprehensively and systematically organized information on the structure, modification, biological activities, and potential applications of EFPs to support their therapeutic effects and health functions. This review provides new insights and a theoretical basis for prospective investigations and advancements in EFPs in fields such as medicine, food, and new materials.
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Affiliation(s)
- Qian Zhang
- Sichuan Institute of Edible Fungi, Chengdu, P.R. China; National-Local Joint Engineering Laboratory of Breeding and Cultivation of Edible and Medicinal Fungi, Chengdu, P.R. China; Scientifc Observing and Experimental Station of Agro-Microbial Resource and Utilization in Southwest China, Ministry of Agriculture, Chengdu, P.R. China.
| | - Yingyin Xu
- Sichuan Institute of Edible Fungi, Chengdu, P.R. China; National-Local Joint Engineering Laboratory of Breeding and Cultivation of Edible and Medicinal Fungi, Chengdu, P.R. China; Scientifc Observing and Experimental Station of Agro-Microbial Resource and Utilization in Southwest China, Ministry of Agriculture, Chengdu, P.R. China.
| | - Liyuan Xie
- Sichuan Institute of Edible Fungi, Chengdu, P.R. China; National-Local Joint Engineering Laboratory of Breeding and Cultivation of Edible and Medicinal Fungi, Chengdu, P.R. China; Scientifc Observing and Experimental Station of Agro-Microbial Resource and Utilization in Southwest China, Ministry of Agriculture, Chengdu, P.R. China.
| | - Xueqin Shu
- Sichuan Institute of Edible Fungi, Chengdu, P.R. China; National-Local Joint Engineering Laboratory of Breeding and Cultivation of Edible and Medicinal Fungi, Chengdu, P.R. China; Scientifc Observing and Experimental Station of Agro-Microbial Resource and Utilization in Southwest China, Ministry of Agriculture, Chengdu, P.R. China.
| | - Shilin Zhang
- Sichuan Institute of Edible Fungi, Chengdu, P.R. China; National-Local Joint Engineering Laboratory of Breeding and Cultivation of Edible and Medicinal Fungi, Chengdu, P.R. China; Scientifc Observing and Experimental Station of Agro-Microbial Resource and Utilization in Southwest China, Ministry of Agriculture, Chengdu, P.R. China.
| | - Yong Wang
- Sichuan Institute of Edible Fungi, Chengdu, P.R. China; National-Local Joint Engineering Laboratory of Breeding and Cultivation of Edible and Medicinal Fungi, Chengdu, P.R. China; Scientifc Observing and Experimental Station of Agro-Microbial Resource and Utilization in Southwest China, Ministry of Agriculture, Chengdu, P.R. China.
| | - Haixia Wang
- Horticulture Institute of Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan, P.R. China.
| | - Qian Dong
- Sichuan Institute of Edible Fungi, Chengdu, P.R. China; National-Local Joint Engineering Laboratory of Breeding and Cultivation of Edible and Medicinal Fungi, Chengdu, P.R. China; Scientifc Observing and Experimental Station of Agro-Microbial Resource and Utilization in Southwest China, Ministry of Agriculture, Chengdu, P.R. China.
| | - Weihong Peng
- Sichuan Institute of Edible Fungi, Chengdu, P.R. China; National-Local Joint Engineering Laboratory of Breeding and Cultivation of Edible and Medicinal Fungi, Chengdu, P.R. China; Scientifc Observing and Experimental Station of Agro-Microbial Resource and Utilization in Southwest China, Ministry of Agriculture, Chengdu, P.R. China.
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Fu Y, Cao Y, Chang Z, Zou C, Jiang D, Gao H, Jia C. Effects of Flammulina velutipes polysaccharide with ice recrystallization inhibition activity on the quality of beef patties during freeze-thaw cycles: An emphasis on water status and distribution. Meat Sci 2024; 209:109420. [PMID: 38154371 DOI: 10.1016/j.meatsci.2023.109420] [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: 08/14/2023] [Revised: 11/07/2023] [Accepted: 12/22/2023] [Indexed: 12/30/2023]
Abstract
The antifreeze activity of Flammulina velutipes polysaccharide (FVP) autoclave-extracted with dilute alkaline and effects of FVP on moisture status, size of ice crystals, physical and chemical characteristics of beef patties during repeated freeze-thaw (F-T) cycles were investigated. Results showed that FVP exhibited ice recrystallization inhibition activity and was able to alter the onset freezing/melting temperature of beef patties. 0.01% FVP significantly alleviated (P < 0.05) the decrement in water holding capacity by inhibiting water migration, restraining the mobility of water, and reducing the size of ice crystals of beef patties during the repeated F-T cycles. In addition, FVP could effectively inhibited oxidation reaction and protein aggregation of beef patties with significant decreases in TBARS value, protein turbidity, contents of total sulfhydryl and carbonyl of myofibrillar protein, and an increase in protein solubility during the repeated cycles. These results suggest FVP could be developed to be a promising cryoprotectant in frozen patties.
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Affiliation(s)
- Yin Fu
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Yan Cao
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Zhongyi Chang
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Chunjing Zou
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Deming Jiang
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Hongliang Gao
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Caifeng Jia
- School of Life Sciences, East China Normal University, Shanghai 200241, China.
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Jia W, Wang W, Yu D, Yu Y, Feng Z, Li H, Zhang J, Zhang H. Structural Elucidation of a Polysaccharide from Flammulina velutipes and Its Lipid-Lowering and Immunomodulation Activities. Polymers (Basel) 2024; 16:598. [PMID: 38475282 DOI: 10.3390/polym16050598] [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: 01/05/2024] [Revised: 01/23/2024] [Accepted: 01/25/2024] [Indexed: 03/14/2024] Open
Abstract
FVPT1, a novel heteropolysaccharide, was purified from the fruiting body of Flammulina velutipes using magnetic-field-assisted three-phase partitioning and gel permeation chromatography. The structure was characterized using monosaccharide composition and methylation analysis, infrared spectroscopy and nuclear magnetic resonance (NMR). The FVPT1 (~1.64 × 104 Da) was composed of L-fucose, D-galactose, D-glucose and D-mannose at a molar ratio of 1.0:3.5:1.0:1.4. The polysaccharide repeating unit of FVPT1 was established with methylation analyses and NMR spectroscopy. Moreover, a zebrafish larva hyperlipidemia model test demonstrated that FVPT1 can show appreciable lipid-lowering effects. In addition, the FVPT1 exhibited remarkable immunoregulatory activity by increasing nitric oxide, interleukin (IL)-1β and IL-1 secretion in macrophages. Therefore, these results suggest that FVPT1 has the potential to be developed into a new immune or hypolipidemic health product.
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Affiliation(s)
- Wei Jia
- Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Key Laboratory of Edible Fungal Resources and Utilization (South), Ministry of Agriculture and Rural Affairs, P. R. China, National Engineering Research Center of Edible Fungi, National R&D Center for Edible Fungal Processing, Key Laboratory of Agricultural Genetics and Breeding of Shanghai, Shanghai 201403, China
| | - Wenhan Wang
- Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Key Laboratory of Edible Fungal Resources and Utilization (South), Ministry of Agriculture and Rural Affairs, P. R. China, National Engineering Research Center of Edible Fungi, National R&D Center for Edible Fungal Processing, Key Laboratory of Agricultural Genetics and Breeding of Shanghai, Shanghai 201403, China
| | - Dongsheng Yu
- Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Key Laboratory of Edible Fungal Resources and Utilization (South), Ministry of Agriculture and Rural Affairs, P. R. China, National Engineering Research Center of Edible Fungi, National R&D Center for Edible Fungal Processing, Key Laboratory of Agricultural Genetics and Breeding of Shanghai, Shanghai 201403, China
| | - Yangchao Yu
- Jiangsu Chinagreen Biotechnology Co., Ltd., Suqian 223700, China
| | - Zhan Feng
- Jiangsu Chinagreen Biotechnology Co., Ltd., Suqian 223700, China
| | - Hewen Li
- Jiangsu Chinagreen Biotechnology Co., Ltd., Suqian 223700, China
| | - Jingsong Zhang
- Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Key Laboratory of Edible Fungal Resources and Utilization (South), Ministry of Agriculture and Rural Affairs, P. R. China, National Engineering Research Center of Edible Fungi, National R&D Center for Edible Fungal Processing, Key Laboratory of Agricultural Genetics and Breeding of Shanghai, Shanghai 201403, China
| | - Henan Zhang
- Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Key Laboratory of Edible Fungal Resources and Utilization (South), Ministry of Agriculture and Rural Affairs, P. R. China, National Engineering Research Center of Edible Fungi, National R&D Center for Edible Fungal Processing, Key Laboratory of Agricultural Genetics and Breeding of Shanghai, Shanghai 201403, China
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7
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Kumar R, Gupta D, Barh A, Nath M, Sharma VP, Rana N, Sharma PK, Bhardwaj C. Insights on Strain-Substrate Interactions and Antioxidant and Anti-Bacterial Properties of the Velvet Foot Medicinal Mushroom Flammulina velutipes (Agaricomycetes). Int J Med Mushrooms 2024; 26:29-39. [PMID: 38523447 DOI: 10.1615/intjmedmushrooms.2024052533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2024]
Abstract
To study the best substrate for the Indian subcontinent, four different substrates (sawdust + wheat bran, wheat straw + wheat bran + corn cobs, sawdust + corn cobs and wheat straw + wheat bran) were screened for six different Flammulina velutipes strains. The antioxidant and antibacterial properties were studied for these strains. In study it was found that the strain DMRX-767 and DMRX-768 were the most promising for yield and biological efficiency in all substrates and wheat straw + wheat bran being the best with respect to BE. To corroborate the findings, the best strain and best substrate trails were repeated. DMRX-767 and DMRX-768 were the most promising for yield and biological efficiency in all substrates, with wheat straw+wheat bran were again found the best. The methanolic extract of strain DMRX-166 showed highest antibacterial properties as highest inhibition is found for Bacillus subtilis and Pseudomonas syringae. However, DMRO-253 inhibited Ralstonia solanacearum and Xanthomonas campestris. DMRX-768 has the best scavenging ability followed by DMRO-253.
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Affiliation(s)
- Rajnish Kumar
- Dr. Y S Parmar University of Horticulure and Forestry, Nauni, Solan, HP
| | - Dharmesh Gupta
- Dr. Y.S. Parmar University of Horticulture and Forestry Nauni, HP, India
| | - Anupam Barh
- ICAR-Directorate of Mushroom Research, Solan, Himachal Pradesh-173213, India
| | - Manoj Nath
- ICAR-Directorate of Mushroom Research, Solan, 173 213, India
| | - Ved Parkash Sharma
- ICAR-Directorate of Mushroom Research, Solan, Himachal Pradesh 173213, India
| | - Neerja Rana
- Dr. Y S Parmar University of Horticulture and Forestry, Solan, 173 230, India
| | - Pawan Kumar Sharma
- ICAR-National Bureau of Agriculturally Important Microorganism, Mau, UP, 275103, India
| | - Chidembra Bhardwaj
- Dr. Y S Parmar University of Horticulture and Forestry, Solan, 173 230, India
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8
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Arslan NP, Dawar P, Albayrak S, Doymus M, Azad F, Esim N, Taskin M. Fungi-derived natural antioxidants. Crit Rev Food Sci Nutr 2023:1-24. [PMID: 38156661 DOI: 10.1080/10408398.2023.2298770] [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: 01/03/2024]
Abstract
In humans, exogenous antioxidants aid the endogenous antioxidant system to detoxify excess ROS generated during oxidative stress, thereby protecting the body against various diseases and stressful conditions. The majority of natural antioxidants available on the consumer market are plant-based; however, fungi are being recognized as alternative sources of various natural antioxidants such as polysaccharides, pigments, peptides, sterols, phenolics, alkaloids, and flavonoids. In addition, some exogenous antioxidants are exclusively found in fungi. Fungi-derived antioxidants exhibit scavenging activities against DPPH, ABTS, hydroxyl, superoxide, hydrogen peroxide, and nitric oxide radicals in vitro. Furthermore, in vivo models, application of fungal-derived antioxidants increase the level of various antioxidant enzymes, such as catalases, superoxide dismutases, and glutathione peroxidases, and reduce the level of malondialdehyde. Therefore, fungi-derived antioxidants have potential to be used in the food, cosmetic, and pharmaceutical industries. This review summarizes the antioxidant potential of different fungi (mushrooms, yeasts, and molds)-derived natural compounds such as polysaccharides, pigments, peptides, ergothioneine, ergosterol, phenolics, alkaloids, etc.
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Affiliation(s)
| | - Pranav Dawar
- Department of Biological Sciences, Texas Tech University, Lubbock, TX, USA
| | - Seyda Albayrak
- Department of Molecular Biology and Genetics, Science Faculty, Ataturk University, Erzurum, Turkey
| | - Meryem Doymus
- Vocational School of Health Services of Hinis, Ataturk University, Erzurum, Turkey
| | - Fakhrul Azad
- Department of Biochemistry and Cell Biology, Chobanian and Avedisian School of Medicine, Boston University, Boston, MA, USA
| | - Nevzat Esim
- Department of Molecular Biology and Genetics, Science and Art Faculty, Bingol University, Bingol, Turkey
| | - Mesut Taskin
- Department of Molecular Biology and Genetics, Science Faculty, Ataturk University, Erzurum, Turkey
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Rezaeian S, Pourianfar HR, Dowom SA. Comparative assessment of β-glucan composition and structural characterization in wild and commercial Enoki mushrooms, Flammulina velutipes. J Food Compost Anal 2023. [DOI: 10.1016/j.jfca.2023.105286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
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10
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Hao R, Zhou X, Zhao X, Lv X, Zhu X, Gao N, Jiang Y, Wu M, Sun-Waterhouse D, Li D. Flammulina velutipes polysaccharide counteracts cadmium-induced gut injury in mice via modulating gut inflammation, gut microbiota and intestinal barrier. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 877:162910. [PMID: 36934944 DOI: 10.1016/j.scitotenv.2023.162910] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/26/2023] [Accepted: 03/12/2023] [Indexed: 05/06/2023]
Abstract
Cadmium (Cd), as Group I carcinogen, can induce damage to various organs including the gut. It is of great importance to meet the rising demand for effective therapies against Cd-induced damage and investigate the mechanism. Flammulina velutipes is a popular edible mushroom, despite the well-known health benefits of Flammulina velutipes, little is known about the effect of its polysaccharide (FVP) against CdCl2-intestinal injury. In this study, a FVP (uronic acid, 5.10 %; degree of methylation, 41.24 %) was produced via hot water extraction (85 °C) and ethanol precipitation. The FVP contained eight major monosaccharides and exhibited good thermal stability at temperatures lower than 139.73 °C. FVP (100 mg/kg b. w., gavage for 4 weeks) alleviated CdCl2 (1.5 mg/kg b. w., gavage for 4 weeks)-induced intestinal inflammation and apoptosis, intestinal permeability alteration and intestinal barrier disruption. FVP increased the abundance of Bacteroides, whilst decreasing the abundance of Desulfovibrionales and Clostridium. FVP also restored the levels of short-chain fatty acids (SCFAs), including acetic, propionic, isobutyric, butyric, isovaleric and valeric acids. Correlation analysis indicated the interplays among the FVP, gut microbes, SCFAs, intestinal barrier/cells and gut inflammation. FVP enhances the metabolic functions of gut microbiota via functional pathways analyzed by KEGG database. Furthermore, gut microbial transplantation of FVP + CdCl2 group mice partially alleviated CdCl2 caused-gut damage. Thus, FVP may be an effective therapeutic agent against CdCl2-induced gut damage via SCFA-mediated regulation of intestinal inflammation and gut microbiota-related energy metabolism. This study may open a new avenue for developing alternative strategies to prevent CdCl2-caused injury.
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Affiliation(s)
- Rili Hao
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian 271018, People's Republic of China
| | - Xing Zhou
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian 271018, People's Republic of China
| | - Xinyue Zhao
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian 271018, People's Republic of China
| | - Xiaqing Lv
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian 271018, People's Republic of China
| | - Xiangyang Zhu
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian 271018, People's Republic of China
| | - NaNa Gao
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian 271018, People's Republic of China
| | - Yang Jiang
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian 271018, People's Republic of China
| | - Maoyu Wu
- Jinan Fruit Research Institute of All China Federation of Supply & Marketing Cooperatives, 16001 East Road Jingshi, Jinan 250220, Shandong, People's Republic of China
| | - Dongxiao Sun-Waterhouse
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian 271018, People's Republic of China; School of Chemical Sciences, The University of Auckland, Auckland, New Zealand.
| | - Dapeng Li
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian 271018, People's Republic of China.
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Li YL, Zhang TZ, Han LK, He C, Pan YR, Fan B, Li GY. The AMPK-dependent inhibition of autophagy plays a crucial role in protecting photoreceptor from photooxidative injury. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2023; 245:112735. [PMID: 37302156 DOI: 10.1016/j.jphotobiol.2023.112735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 05/26/2023] [Accepted: 05/31/2023] [Indexed: 06/13/2023]
Abstract
Excessive light exposure can potentially cause irreversible damage to the various photoreceptor cells, and this aspect has been considered as an important factor leading to the progression of the different retinal diseases. AMP-activated protein kinase (AMPK) and the mammalian target of rapamycin (mTOR) are crucial intracellular signaling hubs involved in the regulation of cellular metabolism, energy homeostasis, cellular growth and autophagy. A number of previous studies have indicated that either AMPK activation or mTOR inhibition can promote autophagy in most cases. In the current study, we have established an in vitro as well as in vivo photooxidation-damaged photoreceptor model and investigated the possible influence of visible light exposure in the AMPK/mTOR/autophagy signaling pathway. We have also explored the potential regulatory effects of AMPK/mTOR on light-induced autophagy and protection achieved by suppressing autophagy in photooxidation-damaged photoreceptors. We observed that light exposure led to a significant activation of mTOR and autophagy in the photoreceptor cells. However, intriguingly, AMPK activation or mTOR inhibition significantly inhibited rather than promoting autophagy, which was termed as AMPK-dependent inhibition of autophagy. In addition, either indirectly suppressing autophagy by AMPK activation/ mTOR inhibition or directly blocking autophagy with an inhibitor exerted a significant protective effect on the photoreceptor cells against the photooxidative damage. Neuroprotective effects caused by the AMPK-dependent inhibition of autophagy were also verified with a retinal light injured mouse model in vivo. Overall, our findings demonstrated that AMPK / mTOR pathway could inhibit autophagy through AMPK-dependent inhibition of autophagy to significantly protect the photoreceptors from photooxidative injury, which may aid to further develop novel targeted retinal neuroprotective drugs.
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Affiliation(s)
- Yu-Lin Li
- Department of Ophthalmology, The Second Norman Bethune Hospital of JiLin University, ChangChun, China
| | - Tian-Zi Zhang
- Affiliated Hospital of Inner Mongolia University for the Nationalities, Inner Mongolia, China
| | - Li-Kun Han
- Affiliated Hospital of Inner Mongolia University for the Nationalities, Inner Mongolia, China
| | - Chang He
- Affiliated Hospital of Inner Mongolia University for the Nationalities, Inner Mongolia, China
| | - Yi-Ran Pan
- Department of Ophthalmology, The Second Norman Bethune Hospital of JiLin University, ChangChun, China
| | - Bin Fan
- Department of Ophthalmology, The Second Norman Bethune Hospital of JiLin University, ChangChun, China.
| | - Guang-Yu Li
- Department of Ophthalmology, The Second Norman Bethune Hospital of JiLin University, ChangChun, China.
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12
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Guo Y, Liu M, Liu X, Zheng M, Xu X, Liu X, Gong J, Liu H, Liu J. Metagenomic and Untargeted Metabolomic Analysis of the Effect of Sporisorium reilianum Polysaccharide on Improving Obesity. Foods 2023; 12:foods12081578. [PMID: 37107373 PMCID: PMC10137368 DOI: 10.3390/foods12081578] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/01/2023] [Accepted: 04/05/2023] [Indexed: 04/29/2023] Open
Abstract
Gut microbiota plays an important role in the pathophysiology of obesity. Fungal polysaccharide can improve obesity, but the potential mechanism needs further study. This experiment studied the potential mechanism of polysaccharides from Sporisorium reilianum (SRP) to improve obesity in male Sprague Dawley (SD) rats fed with a high-fat diet (HFD) using metagenomics and untargeted metabolomics. After 8 weeks of SRP (100, 200, and 400 mg/kg/day) intervention, we analyzed the related index of obesity, gut microbiota, and untargeted metabolomics of rats. The obesity and serum lipid levels of rats treated with SRP were reduced, and lipid accumulation in the liver and adipocyte hypertrophy was improved, especially in rats treated with a high dose of SRP. SRP improved the composition and function of gut microbiota in rats fed with a high-fat diet, and decreased the ratio of Firmicutes to Bacteroides at the phylum level. At the genus level, the abundance of Lactobacillus increased and that of Bacteroides decreased. At the species level, the abundance of Lactobacillus crispatus, Lactobacillus helveticus, and Lactobacillus acidophilus increased, while the abundance of Lactobacillus reuteri and Staphylococcus xylosus decreased. The function of gut microbiota mainly regulated lipid metabolism and amino acid metabolism. The untargeted metabolomics indicated that 36 metabolites were related to the anti-obesity effect of SRP. Furthermore, linoleic acid metabolism, phenylalanine, tyrosine, and tryptophan biosynthesis, and the phenylalanine metabolism pathway played a role in improving obesity in those treated with SRP. The study results suggest that SRP significantly alleviated obesity via gut-microbiota-related metabolic pathways, and SRP could be used for the prevention and treatment of obesity.
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Affiliation(s)
- Yunlong Guo
- National Engineering Research Center for Wheat and Corn Deep Processing, College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Meihong Liu
- National Engineering Research Center for Wheat and Corn Deep Processing, College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
| | - Xin Liu
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Mingzhu Zheng
- National Engineering Research Center for Wheat and Corn Deep Processing, College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
| | - Xiuying Xu
- National Engineering Research Center for Wheat and Corn Deep Processing, College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
| | - Xiaokang Liu
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Jiyu Gong
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Huimin Liu
- National Engineering Research Center for Wheat and Corn Deep Processing, College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
| | - Jingsheng Liu
- National Engineering Research Center for Wheat and Corn Deep Processing, College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
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Machado-Carvalho L, Martins T, Aires A, Marques G. Optimization of Phenolic Compounds Extraction and Antioxidant Activity from Inonotus hispidus Using Ultrasound-Assisted Extraction Technology. Metabolites 2023; 13:metabo13040524. [PMID: 37110182 PMCID: PMC10145904 DOI: 10.3390/metabo13040524] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 03/31/2023] [Accepted: 04/04/2023] [Indexed: 04/29/2023] Open
Abstract
The use of ultrasound-assisted extraction (UAE) of bioactive compounds has been increasing because it is a good alternative to the conventional extraction methods. UAE was used to maximize total polyphenol content (TPC), 2,2-diphenyl-1-picrylhydrazyl (DPPH) scavenging capacity, and ferric reducing antioxidant power (FRAP) of the mushroom Inonotus hispidus using response surface methodology (RSM). Firstly, the effect of 40% (v/v) ethanol and 80% (v/v) methanol on the TPC, DPPH scavenging capacity, and FRAP was evaluated. The ethanolic extracts showed a significantly higher (p < 0.0001) TPC, DPPH scavenging capacity, and FRAP than the methanolic extracts. The best condition to produce an extract with the higher TPC and antioxidant activity was achieved when using 40% (v/v) ethanol, a ratio of 75 mL/g, and an extraction time of 20 min. The chromatographic profile of the extract obtained in the optimized condition revealed that hispidin is the main polyphenol present in the extracts of I. hispidus, representing, together with hispidin-like compounds, the majority of the phenolic compounds (159.56 µg/g DW out of 219.01 µg/g DW). The model allowed us to optimize the conditions to maximize the extraction of phenolic compounds with antioxidant activity from I. hispidus, demonstrating its potential as a source of antioxidant compounds, with possible industrial, pharmaceutical, and food applications.
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Affiliation(s)
- Liliana Machado-Carvalho
- Department of Agronomy, School of Agrarian and Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
| | - Tânia Martins
- Department of Agronomy, School of Agrarian and Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
- CITAB-Centre for the Research and Technology of Agro-Environment and Biological Sciences, UTAD, 5000-801 Vila Real, Portugal
- Inov4Agro-Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production, UTAD, 5000-801 Vila Real, Portugal
| | - Alfredo Aires
- Department of Agronomy, School of Agrarian and Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
- CITAB-Centre for the Research and Technology of Agro-Environment and Biological Sciences, UTAD, 5000-801 Vila Real, Portugal
- Inov4Agro-Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production, UTAD, 5000-801 Vila Real, Portugal
| | - Guilhermina Marques
- Department of Agronomy, School of Agrarian and Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
- CITAB-Centre for the Research and Technology of Agro-Environment and Biological Sciences, UTAD, 5000-801 Vila Real, Portugal
- Inov4Agro-Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production, UTAD, 5000-801 Vila Real, Portugal
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14
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Yan D, Fan Y, Song S, Guo Y, Liu Y, Xu X, Liu F, Gao Q, Wang S. HOG1 Mitogen-Activated Protein Kinase Pathway–Related Autophagy Induced by H2O2 in Lentinula edodes Mycelia. J Fungi (Basel) 2023; 9:jof9040413. [PMID: 37108868 PMCID: PMC10143471 DOI: 10.3390/jof9040413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/08/2023] [Accepted: 03/24/2023] [Indexed: 03/30/2023] Open
Abstract
Mycelial ageing is associated with ROS and autophagy in Lentinula edodes. However, the underlying cellular and molecular mechanisms between ROS and autophagy remain obscure. This study induced autophagy in L. edodes mycelia through exogenous H2O2 treatment. Results showed that 100 μM H2O2 treatment for 24 h significantly inhibited mycelial growth. H2O2 caused the depolarisation of MMP and accumulation of TUNEL-positive nuclei, which was similar to the ageing phenotype of L. edodes mycelia. Transcriptome analysis showed that differentially expressed genes were enriched in the mitophagic, autophagic, and MAPK pathways. LeAtg8 and LeHog1 were selected as hub genes. RNA and protein levels of LeATG8 increased in the H2O2-treated mycelia. Using fluorescent labelling, we observed for the first time the classic ring structure of autophagosomes in a mushroom, while 3D imaging suggested that these autophagosomes surrounded the nuclei to degrade them at specific growth stages. Phospho-LeHOG1 protein can translocate from the cytoplasm to the nucleus to regulate mycelial cells, resisting ROS-induced oxidative stress. Furthermore, LeATG8 expression was suppressed when LeHOG1 phosphorylation was inhibited. These results suggest that the LeATG8-dependent autophagy in L. edodes mycelial is closely associated with the activity or even phosphorylation of LeHOG1.
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Hsiao Y, Shao Y, Wu Y, Hsu W, Cheng K, Yu C, Chou C, Hsieh C. Physicochemical properties and protective effects on UVA-induced photoaging in Hs68 cells of Pleurotus ostreatus polysaccharides by fractional precipitation. Int J Biol Macromol 2023; 228:537-547. [PMID: 36584774 DOI: 10.1016/j.ijbiomac.2022.12.254] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 12/15/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022]
Abstract
The development of natural ingredients protecting skin from UVA-induced photoaging is widely expected. The present study investigated the physicochemical properties, antioxidant, moisturizing, collagenase and elastase inhibitory activities, and protective effect on UVA-induced photoaging in Hs68 cells of Pleurotus ostreatus polysaccharides (POPs). POP-40, POP-60, and POP-80 were extracted by gradient precipitation of 40 %, 60 %, and 80 % ethanol, which could be prepared in large quantities. The results showed that POPs had good DPPH and ABTS radical scavenging abilities, water retention capacity, and collagenase and elastase inhibition effects. POP-80 had the best efficacy. Further determined the anti-inflammatory and antisenescence activities of POPs in Hs68 cells. The results indicated that after UVA irradiation, the contents of ROS, senescent cells, NF-κB activity, and proinflammatory cytokines increased in Hs68 cells. However, cells pretreated with 50 μg/mL POPs significantly decreased the contents of ROS and the number of senescent cells, reduced NF-κB activity, and inhibited IL-6 and TNF-α production. There was no significant difference in reducing the accumulation of ROS and senescent cells between POP-80 and the common anti-inflammatory substance quercetin. The results suggested that POP-80 may be potential cosmeceutical ingredients as it can protect Hs68 cells from photodamage.
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Affiliation(s)
- Yafang Hsiao
- Department of Food Science and Biotechnology, National Chung Hsing University, No. 145, Xingda Rd., South Dist., Taichung City 402202, Taiwan.
| | - Yichia Shao
- Department of Food Science and Biotechnology, National Chung Hsing University, No. 145, Xingda Rd., South Dist., Taichung City 402202, Taiwan.
| | - Yunting Wu
- Department of Food Science and Biotechnology, National Chung Hsing University, No. 145, Xingda Rd., South Dist., Taichung City 402202, Taiwan.
| | - Wenkuang Hsu
- Department of Medicinal Botanicals and Foods on Health Applications, Da-Yeh University, No. 168, Xuefu Rd., Dacun Township, Changhua County 515006, Taiwan.
| | - Kuanchen Cheng
- Institute of Biotechnology, National Taiwan University, No. 81, Changxing St., Da'an Dist., Taipei City 106038, Taiwan; Institute of Food Science and Technology, National Taiwan University, No. 59, Ln. 144, Sec. 4, Keelung Rd., Da'an Dist., Taipei City 106032, Taiwan; Department of Optometry, Asia University, No.500, Liufeng Rd., Wufeng Dist., Taichung City 413305, Taiwan; Department of Medical Research, China Medical University Hospital, No. 2, Yude Rd., North Dist., Taichung City 404327, Taiwan.
| | - Chengchia Yu
- Institute of Oral medicine, Chung Shan Medical University, No. 110, Sec. 1, Jianguo N. Rd., South Dist., Taichung City 402306, Taiwan.
| | - Chunhsu Chou
- Dr Jou Biotech Co., Ltd., No. 21, Lugong S. 2nd Rd., Lukang Township, Changhua County 505029, Taiwan.
| | - Changwei Hsieh
- Department of Food Science and Biotechnology, National Chung Hsing University, No. 145, Xingda Rd., South Dist., Taichung City 402202, Taiwan; Department of Medical Research, China Medical University Hospital, No. 2, Yude Rd., North Dist., Taichung City 404327, Taiwan.
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16
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Structural Characterization of Polysaccharides from Coriandrum sativum Seeds: Hepatoprotective Effect against Cadmium Toxicity In Vivo. Antioxidants (Basel) 2023; 12:antiox12020455. [PMID: 36830010 PMCID: PMC9952120 DOI: 10.3390/antiox12020455] [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: 12/27/2022] [Revised: 01/20/2023] [Accepted: 02/02/2023] [Indexed: 02/15/2023] Open
Abstract
Coriandrum sativum is one of the most widespread curative plants in the world, being vastly cultivated in arid and semi-arid regions as one of the oldest spice plants. The present study explored the extraction of polysaccharides from Coriandrum sativum seeds and the evaluation of their antioxidant potential and hepatoprotective effects in vivo. The polysaccharide from coriander seeds was extracted, and the structural characterization was performed by FT-IR, UV-vis, DSC, NMR (1D and 2D), GC-MS, and SEC analysis. The polysaccharide extracted from Coriandrum sativum (CPS) seeds was characterized to evaluate its antioxidant and hepatoprotective capacities in rats. Results showed that CPS was composed of arabinose, rhamnose, xylose, mannose, fructose, galactose, and glucose in molar percentages of 6.2%, 3.6%, 8.8%, 17.7%, 5.2%, 32.9%, and 25.6%, respectively. Further, CPS significantly hindered cadmium-induced oxidation damage and exercised a protective effect against Cd hepatocytotoxicity, with a considerable reduction in MDA production and interesting CAT and SOD enzyme levels. Results suggest that CPS might be employed as a natural antioxidant source.
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Wu H, Yuan J, Yin H, Jing B, Sun C, Nguepi Tsopmejio IS, Jin Z, Song H. Flammulina velutipes stem regulates oxidative damage and synthesis of yolk precursors in aging laying hens by regulating the liver-blood-ovary axis. Poult Sci 2022; 102:102261. [PMID: 36410067 PMCID: PMC9678783 DOI: 10.1016/j.psj.2022.102261] [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: 08/09/2022] [Revised: 10/12/2022] [Accepted: 10/12/2022] [Indexed: 11/07/2022] Open
Abstract
Egg production levels in late laying hens are negatively correlated with increasing age. Decreased liver and ovarian function in aging laying hens is accompanied by decreased antioxidant capacity, reproductive hormone levels, and follicular development, resulting in decreased synthesis of yolk precursors. The golden needle mushroom (Flammulina velutipes) has been reported to exhibit anti-inflammatory, antioxidant, and hypolipidemic properties. We aimed to reveal the therapeutic effects of F. velutipes stem (FVS) on liver-blood-ovary axis and investigate the underlying mechanisms. A total of 360 sixty-seven-wk-old laying hens were randomized into 4 treatment groups: 1) basal maize-soybean meal diet (CON); 2) basal maize + 20 g/kg FVS (2% FVS); 3) basal maize + 40 g/kg FVS (4% FVS); and 4) basal maize + 60 g/kg FVS (6% FVS). FVS groups demonstrated significantly increased egg production and ovarian development compared with the CON group. The addition of FVS increased the levels of antioxidant enzymes (GSH-Px, T-SOD, and T-AOC) in the liver, serum, and ovaries and decreased malondialdehyde levels by regulating the expression of proteins related to the Keap1-Nrf2/ARE signaling pathway. Additionally, FVS significantly decreased ovarian apoptosis by regulating Bax, Bcl-2, and caspase3 mRNA and protein expression levels. FVS significantly increased the expression levels of estradiol, progesterone, luteinizing hormone, and follicle stimulating hormone and their respective receptors. With increased levels of estradiol transported to the liver through the bloodstream, targeted binding to estrogen receptor (ER)-α and ER-β led to significant increases in ApoVLDL II, ApoB, and VTG II mRNA expression associated with yolk precursor synthesis. FVS decreased the levels of triglyceride and total cholesterol and significantly increased the expression of lipid metabolism, and transport-related mRNAs (FAS, PPAR-a/γ, and MTTP) in the liver. Therefore, the dietary supplementation of FVS can maintain the productive performance of aging laying hens by alleviating the degree of oxidative stress and regulating the transport of functional substances along the liver-blood-ovary axis, thereby improving the synthesis of yolk precursors.
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Affiliation(s)
- Haoyuan Wu
- School of Life Science, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Jing Yuan
- School of Life Science, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Haixu Yin
- School of Life Science, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Bo Jing
- School of Life Science, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Chang Sun
- School of Life Science, Jilin Agricultural University, Changchun 130118, P. R. China
| | | | - Zhouyu Jin
- School of Life Science, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Hui Song
- School of Life Science, Jilin Agricultural University, Changchun 130118, P. R. China,Engineering Research Center of the Chinenese Ministry of Education for Bioreactor and Pharmaceutical Development, Changchun, Jilin, 130118, P. R. China,Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi, Changchun, Jilin, 130118, P. R. China,Corresponding author:
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18
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Zhu Y, Chen F, Wu M, Xiang J, Yan F, Xie Y, Tong Z, Chen Y, Cai L. Biocompatible and antibacterial Flammulina velutipes-based natural hybrid cryogel to treat noncompressible hemorrhages and skin defects. Front Bioeng Biotechnol 2022; 10:960407. [PMID: 36304898 PMCID: PMC9593062 DOI: 10.3389/fbioe.2022.960407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 09/20/2022] [Indexed: 11/23/2022] Open
Abstract
Hemorrhage, infection, and frequent replacement of dressings bring great clinical challenges to wound healing. In this work, Flammulina velutipes extract (FV) and hydroxyethyl cellulose (HEC) were chemically cross-linked and freeze-dried to obtain novel HFV cryogels (named HFVn, with n = 10, 40, or 70 corresponding to the weight percentage of the FV content), which were constructed for wound hemostasis and full-thickness skin defect repair. Systematic characterization experiments were performed to assess the morphology, mechanical properties, hydrophilic properties, and degradation rate of the cryogels. The results indicated that HFV70 showed a loose interconnected-porous structure and exhibited the highest porosity (95%) and water uptake ratio (over 2,500%) with a desirable degradation rate and shape memory properties. In vitro cell culture and hemocompatibility experiments indicated that HFV70 showed improved cytocompatibility and hemocompatibility. It can effectively mimic the extracellular matrix microenvironment and support the adhesion and proliferation of L929 cells, and its hemolysis rate in vitro was less than 5%. Moreover, HFV70 effectively induced tube formation in HUVEC cells in vitro. The results of the bacteriostatic annulus confirmed that HFV70 significantly inhibited the growth of Gram-negative E. coli and Gram-positive S. aureus. In addition, HFV70 showed ideal antioxidant properties, with the DPPH scavenging rate in vitro reaching 74.55%. In vivo rat liver hemostasis experiments confirmed that HFV70 showed rapid and effective hemostasis, with effects comparable to those of commercial gelatin sponges. Furthermore, when applied to the repair of full-thickness skin defects in a rat model, HFV70 significantly promoted tissue regeneration. Histological analysis further confirmed the improved pro-angiogenic and anti-inflammatory activity of HFV70 in vivo. Collectively, our results demonstrated the potential of HFV70 in the treatment of full-thickness skin defects and rapid hemostasis.
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Affiliation(s)
- Yufan Zhu
- Department of Spine Surgery and Musculoskeletal Tumor, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Feixiang Chen
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Minhao Wu
- Department of Spine Surgery and Musculoskeletal Tumor, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jieyu Xiang
- Department of Plastic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Feifei Yan
- Department of Spine Surgery and Musculoskeletal Tumor, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yuanlong Xie
- Department of Spine Surgery and Musculoskeletal Tumor, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Zan Tong
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Yun Chen
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- *Correspondence: Yun Chen, ; Lin Cai,
| | - Lin Cai
- Department of Spine Surgery and Musculoskeletal Tumor, Zhongnan Hospital of Wuhan University, Wuhan, China
- *Correspondence: Yun Chen, ; Lin Cai,
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19
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Wang W, Tan J, Nima L, Sang Y, Cai X, Xue H. Polysaccharides from fungi: A review on their extraction, purification, structural features, and biological activities. Food Chem X 2022; 15:100414. [PMID: 36211789 PMCID: PMC9532758 DOI: 10.1016/j.fochx.2022.100414] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 07/11/2022] [Accepted: 08/04/2022] [Indexed: 11/11/2022] Open
Abstract
A variety of extraction methods of polysaccharides from fungi are reviewed and compared. Purification methods, structure of fungal polysaccharides were reviewed. Diverse biological activities of fungal polysaccharides were outlined. Structure-activity relationships of fungal polysaccharides were discussed.
Fungi, as the unique natural resource, are rich in polysaccharides, proteins, fats, vitamins, and other components. Therefore, they have good medical and nutritional values. Polysaccharides are considered one of the most important bioactive components in fungi. Increasing researches have confirmed that fungal polysaccharides have various biological activities, such as antioxidant, immunomodulatory, anti-tumor, hepatoprotective, anti-aging, anti-inflammatory, and radioprotective activities. Consequently, the research progresses and future prospects of fungal polysaccharides must be systematically reviewed to promote their better understanding. This paper reviewed the extraction, purification, structure, biological activity, and underlying molecular mechanisms of fungal polysaccharides. Moreover, the structure–activity relationships of fungal polysaccharides were emphasized and discussed. This review can provide scientific basis for the research and industrial utilization of fungal polysaccharides.
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20
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Xiong F, Wei S, Sheng H, Wu S, Liu Z, Cui W, Sun Y, Wu Y, Li B, Xuan H, Xue Y, Yuan H. Three-layer core-shell structure of polypyrrole/polydopamine/poly(l-lactide) nanofibers for wound healing application. Int J Biol Macromol 2022; 222:1948-1962. [DOI: 10.1016/j.ijbiomac.2022.09.284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/28/2022] [Accepted: 09/29/2022] [Indexed: 11/05/2022]
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21
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Wasunan P, Maneewong C, Daengprok W, Thirabunyanon M. Bioactive Earthworm Peptides Produced by Novel Protease-Producing Bacillus velezensis PM 35 and Its Bioactivities on Liver Cancer Cell Death via Apoptosis, Antioxidant Activity, Protection Against Oxidative Stress, and Immune Cell Activation. Front Microbiol 2022; 13:892945. [PMID: 36033863 PMCID: PMC9399677 DOI: 10.3389/fmicb.2022.892945] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 05/10/2022] [Indexed: 11/13/2022] Open
Abstract
Earthworms have long been used as traditional medicine. The purposes of this research were to create bioactive peptides from the unique Amynthas arenulus earthworm (PAAEs) and test their potentials on liver cancer bioprophylactic activity, antioxidant, oxidative stress protection, and immune cell activation. This earthworm had a high protein content ratio, at 55.39%. Besides, PM 35 is one out of 58 bacteria isolated from the earthworm carcasses that exhibited the highest protease and yield protein production which was chosen as the protease-producing bacteria to hydrolyze the protein. The genera were identified by 16S rRNA and 16S–23S rRNA comparison and confirmed as Bacillus velezensis PM 35. The response surface methodology was applied to optimize these hydrolysis parameters, i.e., the enzyme/substrate (E/S) concentration ratio [1%–3% (v/v)] and time (1–3 h) of the hydrolyzing earthworm’s proteins. The optimal hydrolyzing conditions were 3% (v/v) of E/S concentration ratio and 3 h of hydrolysis time, which found protein-hydrolysate yield (24.62%) and degree of hydrolysis (85.45%) as the highest. After being challenged in the gastrointestinal tract-resistant model, these PAAEs (MW <3 and 3–5 kDa) induced liver cancer cell (HepG2) death via apoptotic action modes (cell morphological change and DNA fragmentation). The PAAEs (MW <3 kDa) exhibited significant antioxidant activity via DPPH, ABTS, and FRAP with IC50 values of 0.94, 0.44, and 6.34 mg/ml, respectively. The PAAEs (MW < 3 kDa) were non-cytotoxic and protected the mouse fibroblast cells (L929) against oxidative stress. These PAAEs (MW < 3 kDa, 0.2 mg/ml) stimulated the B lymphocytes (122.3%), and T lymphocytes (126.7%) proliferation. This research suggests that PAAEs can be used in a variety of applications, especially in the food and pharmaceutical industries.
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Affiliation(s)
- Pimphan Wasunan
- Program in Biotechnology, Faculty of Science, Maejo University, Chiang Mai, Thailand
| | - Chutamas Maneewong
- Program in Biotechnology, Faculty of Science, Maejo University, Chiang Mai, Thailand
| | - Wichittra Daengprok
- Program in Food Science and Technology, Faculty of Engineering and Agroindustry, Maejo University, Chiang Mai, Thailand
| | - Mongkol Thirabunyanon
- Program in Biotechnology, Faculty of Science, Maejo University, Chiang Mai, Thailand
- *Correspondence: Mongkol Thirabunyanon,
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22
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Sun W, Labreche F, Kou XH, Wu CE, Fan GJ, Li TT, Suo A, Wu Z. Efficient extraction, physiochemical, rheological properties, and antioxidant activities of polysaccharides from Armeniaca vulgaris Lam. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.04.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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23
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Song G, Liu J, Wang Q, Wang D, Chu B, Li L, Xiao G, Gong J, Zheng F. Layer-by-layer self-assembly of hollow dextran sulfate/chitosan-coated zein nanoparticles loaded with crocin: Fabrication, structural characterization and potential biological fate. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107420] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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24
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Xiong F, Wei S, Sheng H, Han X, Jiang W, Zhang Z, Li B, Xuan H, Xue Y, Yuan H. In situ polydopamine functionalized poly-L-lactic acid nanofibers with near-infrared-triggered antibacterial and reactive oxygen species scavenging capability. Int J Biol Macromol 2022; 201:338-350. [PMID: 35032490 DOI: 10.1016/j.ijbiomac.2022.01.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 12/19/2021] [Accepted: 01/06/2022] [Indexed: 12/19/2022]
Abstract
The development of a new multi-functional poly(L)-lactide (PLLA) nanofibrous scaffold with excellent antibacterial and reactive oxygen species (ROS) scavenging capability is quite important in tissue engineering. In this study, polydopamine (PDA)/PLLA nanofibers were prepared by combining electrospinning and post in-situ polymerization. The post in-situ polymerization of PDA on the PLLA nanofiber enable PDA uniformly distribute on PLLA nanofiber surface. PDA/PLLA nanofibrous composites also achieved stronger mechanical strength, hydrophilicity, good oxidation resistance and enhanced near-infrared photothermal effect. The near-infrared photothermal effect from PDA made the PDA/PLLA a good antibacterial material. The in vitro ROS scavenging ability of the PDA made PDA/PLLA be beneficial to damaged tissue repair. These results indicate that PDA/PLLA nanofibrous scaffold can be used as a tissue engineering scaffold material with versatile biomedical applications.
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Affiliation(s)
- Feng Xiong
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Shuo Wei
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Han Sheng
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Xiang Han
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Wei Jiang
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Zhuojun Zhang
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Biyun Li
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Hongyun Xuan
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Ye Xue
- School of Life Sciences, Nantong University, 226019 Nantong, China.
| | - Huihua Yuan
- School of Life Sciences, Nantong University, 226019 Nantong, China.
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25
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Das A, Chen CM, Mu SC, Yang SH, Ju YM, Li SC. Medicinal Components in Edible Mushrooms on Diabetes Mellitus Treatment. Pharmaceutics 2022; 14:pharmaceutics14020436. [PMID: 35214168 PMCID: PMC8875793 DOI: 10.3390/pharmaceutics14020436] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/10/2022] [Accepted: 02/14/2022] [Indexed: 02/01/2023] Open
Abstract
Mushrooms belong to the family “Fungi” and became famous for their medicinal properties and easy accessibility all over the world. Because of its pharmaceutical properties, including anti-diabetic, anti-inflammatory, anti-cancer, and antioxidant properties, it became a hot topic among scientists. However, depending on species and varieties, most of the medicinal properties became indistinct. With this interest, an attempt has been made to scrutinize the role of edible mushrooms (EM) in diabetes mellitus treatment. A systematic contemporary literature review has been carried out from all records such as Science Direct, PubMed, Embase, and Google Scholar with an aim to represents the work has performed on mushrooms focuses on diabetes, insulin resistance (IR), and preventive mechanism of IR, using different kinds of mushroom extracts. The final review represents that EM plays an important role in anticipation of insulin resistance with the help of active compounds, i.e., polysaccharide, vitamin D, and signifies α-glucosidase or α-amylase preventive activities. Although most of the mechanism is not clear yet, many varieties of mushrooms’ medicinal properties have not been studied properly. So, in the future, further investigation is needed on edible medicinal mushrooms to overcome the research gap to use its clinical potential to prevent non-communicable diseases.
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Affiliation(s)
- Arpita Das
- School of Nutrition and Health Sciences, College of Nutrition, Taipei Medical University, Taipei 11031, Taiwan;
| | - Chiao-Ming Chen
- Department of Food Science, Nutrition and Nutraceutical Biotechnology, Shih Chien University, Taipei 10462, Taiwan;
| | - Shu-Chi Mu
- Department of Pediatrics, Shin-Kong Wu Ho-Su Memorial Hospital, Taipei 11101, Taiwan;
- School of Medicine, College of Medicine, Fu-Jen Catholic University, New Taipei City 24205, Taiwan
| | - Shu-Hui Yang
- Fengshan Tropical Horticultural Experiment Branch, Taiwan Agricultural Research Institute, Kaohsiung City 83052, Taiwan;
| | - Yu-Ming Ju
- Institute of Plant and Microbial Biology, Academia Sinica, Taipei 11529, Taiwan;
| | - Sing-Chung Li
- School of Nutrition and Health Sciences, College of Nutrition, Taipei Medical University, Taipei 11031, Taiwan;
- Correspondence: ; Tel.: +886-2-27361661 (ext. 6560)
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26
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Xiong F, Liang HX, Zhang ZJ, Mahmud T, Chan ASC, Li X, Lan WJ. Characterization, Antioxidant and Antitumor Activities of Oligosaccharides Isolated from Evodia lepta (Spreng) Merr. by Different Extraction Methods. Antioxidants (Basel) 2021; 10:antiox10111842. [PMID: 34829713 PMCID: PMC8614670 DOI: 10.3390/antiox10111842] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/10/2021] [Accepted: 11/11/2021] [Indexed: 11/20/2022] Open
Abstract
Evodia lepta (E. lepta) is a traditional Chinese herbal medicine with various biological activities. One of the active components of this widely used medicinal plant is believed to be an oligosaccharide. The extraction yields, structural characteristics, antioxidant, and antitumor activities of four oligosaccharide extracts obtained by hot water extraction (HEO), ultrasound-assisted extraction (UEO), enzyme-assisted (EEO), and microwave-assisted extraction (MEO) were investigated. Matrix-assisted laser desorption/ionization-time of flight-mass spectrometry (MALDI-TOF-MS), X-ray diffraction (XRD), and Scanning electron microscopy (SEM) results indicated that the extraction methods had a difference on the molecular mass distribution, structure, and morphology of the EOs. In addition, HEO and MEO showed strong antioxidant activities, which might be related to their uronic acid and protein contents. More interestingly, MEO was more active toward MDA-MB-231 cells compared to other cells, and cell growth inhibition was proposed to occur through apoptosis. Overall, microwave-assisted extraction is a promising technique for the extraction of high quality EO.
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Affiliation(s)
- Feng Xiong
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China; (F.X.); (H.-X.L.); (Z.-J.Z.); (A.S.C.C.)
| | - Hui-Xian Liang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China; (F.X.); (H.-X.L.); (Z.-J.Z.); (A.S.C.C.)
| | - Zhi-Jing Zhang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China; (F.X.); (H.-X.L.); (Z.-J.Z.); (A.S.C.C.)
| | - Taifo Mahmud
- Department of Pharmaceutical Sciences, Oregon State University, Corvallis, OR 97331, USA;
| | - Albert S. C. Chan
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China; (F.X.); (H.-X.L.); (Z.-J.Z.); (A.S.C.C.)
| | - Xia Li
- College of Chemistry and Bioengineering, Guilin University of Technology, Guiling 541004, China;
| | - Wen-Jian Lan
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China; (F.X.); (H.-X.L.); (Z.-J.Z.); (A.S.C.C.)
- Correspondence: ; Tel.: +86-020-3994-3042
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27
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Xu J, Chen Z, Liu P, Wei Y, Zhang M, Huang X, Peng L, Wei X. Structural characterization of a pure polysaccharide from Bletilla striata tubers and its protective effect against H 2O 2-induced injury fibroblast cells. Int J Biol Macromol 2021; 193:2281-2289. [PMID: 34785199 DOI: 10.1016/j.ijbiomac.2021.11.060] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 11/08/2021] [Accepted: 11/09/2021] [Indexed: 01/24/2023]
Abstract
The present study investigated the structural characteristics and its protective effect against H2O2-induced injury fibroblast cells of Bletilla striata tuber polysaccharide. The polysaccharides were gently extracted by water and recovered using the method of alcohol precipitation, and after further purification by DEAE-Sepharose Fast Flow gel column, a pure polysaccharide (pBSP) was finally obtained. The structural characterization of pBSP were investigated by using periodate oxidation studies, Smith-degradation, FT-IR spectroscopy, 1D and 2D NMR spectroscopy. The antioxidant effect of pBSP was evaluated by inhibiting the production of reactive oxygen species (ROS) in human fibroblast model cells induced by H2O2. It was firstly reported that pBSP was composed of d-glucose and D-mannose in a molar ratio of 1.00:1.34 with a molecular weight of 327.6 kDa. The repeating units of pBSP contained (1 → 4)-linked-β-D-Manp, (1 → 4)-linked-α-D-Glcp and (1 → 3)-linked-β-D-Manp, and there was no branched chain. pBSP exhibited no toxic effect on fibroblasts cells and could protect them against H2O2-induced injuries. After pretreatment with pBSP for 24 h, the content of ROS in fibroblasts decreased significantly. These results not only confirm the availability B. striata, but also indicate that pBSP have potential antioxidant capacity. Our observations can provide foundation for further development of pBSP-based cosmetics.
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Affiliation(s)
- Jia Xu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Minghang 200240, Shanghai, People's Republic of China; School of Environmental and Chemical Engineering, Shanghai University, Baoshan 200444, Shanghai, People's Republic of China
| | - Ziyan Chen
- School of Agriculture and Biology, Shanghai Jiao Tong University, Minghang 200240, Shanghai, People's Republic of China
| | - Pinhe Liu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Minghang 200240, Shanghai, People's Republic of China
| | - Yang Wei
- School of Agriculture and Biology, Shanghai Jiao Tong University, Minghang 200240, Shanghai, People's Republic of China
| | - Mu Zhang
- Shanghai Yuemu cosmetics Co., Ltd, Pudong 200135, Shanghai, People's Republic of China
| | - Xiaodong Huang
- Shanghai Yuemu cosmetics Co., Ltd, Pudong 200135, Shanghai, People's Republic of China
| | - Lanlan Peng
- School of Agriculture and Biology, Shanghai Jiao Tong University, Minghang 200240, Shanghai, People's Republic of China
| | - Xinlin Wei
- School of Agriculture and Biology, Shanghai Jiao Tong University, Minghang 200240, Shanghai, People's Republic of China.
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28
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Nam M, Choi JY, Kim MS. Metabolic Profiles, Bioactive Compounds, and Antioxidant Capacity in Lentinula edodes Cultivated on Log versus Sawdust Substrates. Biomolecules 2021; 11:1654. [PMID: 34827654 PMCID: PMC8615513 DOI: 10.3390/biom11111654] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/04/2021] [Accepted: 11/05/2021] [Indexed: 01/05/2023] Open
Abstract
Lentinula edodes (shiitake) is a popular nutritious edible mushroom with a desirable aroma and flavor. Traditional cultivation of L. edodes on beds of logs has been replaced by cultivation on sawdust, but the effects of cultivation changes on L. edodes mushrooms have not been well characterized. We determined the metabolic profile, bioactive compounds, and antioxidant capacity in L. edodes grown on log or sawdust substrates. Metabolic profiles of L. edodes extracts were determined by 1H nuclear magnetic resonance (NMR) and ultra-performance liquid chromatography to quadrupole time-of-flight mass spectrometry. Principal component analysis score plots from 1H NMR analysis showed clear differences between samples. Concentrations of primary metabolites, especially amino acids, generally decreased in L. edodes grown on logs compared to sawdust. Phenolic compounds showed variations in concentration depending on the cultivation method. Bioactive compounds and their antioxidant capacity were analyzed spectrophotometrically. L. edodes cultivated on logs had high concentrations of bioactive compounds with strong antioxidant capacity compared to L. edodes cultivated on sawdust. Thus, the concentration of primary metabolites was high in L. edodes grown on sawdust, which produces a high growth rate. In contrast, log-cultivated L. edodes, which were similar to wild mushrooms, had high levels of bioactive compounds and high antioxidant capacity. This information is useful for determining optimal cultivation conditions for nutritional and medicinal uses of L. edodes mushrooms.
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Affiliation(s)
| | | | - Min-Sun Kim
- Food Analysis Research Center, Korea Food Research Institute, Wanju 55365, Korea; (M.N.); (J.Y.C.)
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29
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Medeiros LHC, Vasconcelos BMF, Silva MB, Souza-Junior AA, Chavante SF, Andrade GPV. Chondroitin sulfate from fish waste exhibits strong intracellular antioxidant potential. ACTA ACUST UNITED AC 2021; 54:e10730. [PMID: 34287577 PMCID: PMC8289345 DOI: 10.1590/1414-431x2020e10730] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 05/05/2021] [Indexed: 11/22/2022]
Abstract
Chondroitin sulfate (CS) is a type of glycosaminoglycan described as an antioxidant molecule that has been found in animal species such as fish. Tilapia (Oreochromis niloticus) represents an eco-friendly source of this compound, since its economical processing generates usable waste, reducing the negative environmental impact. This waste was used for CS extraction, purification, characterization by enzymatic degradation, and evaluation of its antioxidant effect. CS obtained from tilapia presented sulfation mainly at carbon 4 of galactosamine, and it was not cytotoxic at concentrations up to 200 µg/mL. Furthermore, 100 µg/mL of CS from tilapia reduced the levels of reactive oxygen species to 47% of the total intracellular reactive oxygen species level. The ability of CS to chelate metal ions in vitro also suggested an ability to react with other pathways that generate oxidative radicals, such as the Haber-Weiss reaction, acting intracellularly in more than one way. Although the role of CS from tilapia remains unclear, the pharmacological effects described herein indicate that CS is a potential molecule for further study of the relationship between the structures and functions of chondroitin sulfates as antioxidants.
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Affiliation(s)
- L H C Medeiros
- Programa de Pós-Graduação em Bioquímica e Biologia Molecular, Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN, Brasil
| | - B M F Vasconcelos
- Programa de Pós-Graduação em Bioquímica e Biologia Molecular, Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN, Brasil
| | - M B Silva
- Programa de Pós-Graduação em Bioquímica e Biologia Molecular, Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN, Brasil
| | - A A Souza-Junior
- Programa de Pós-Graduação em Bioquímica e Biologia Molecular, Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN, Brasil.,Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Norte, Parnamirim, RN, Brasil
| | - S F Chavante
- Programa de Pós-Graduação em Bioquímica e Biologia Molecular, Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN, Brasil
| | - G P V Andrade
- Programa de Pós-Graduação em Bioquímica e Biologia Molecular, Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN, Brasil
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30
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Jia Y, Wang Y, Li R, Li S, Zhang M, He C, Chen H. The structural characteristic of acidic-hydrolyzed corn silk polysaccharides and its protection on the H 2O 2-injured intestinal epithelial cells. Food Chem 2021; 356:129691. [PMID: 33838603 DOI: 10.1016/j.foodchem.2021.129691] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 03/17/2021] [Accepted: 03/20/2021] [Indexed: 01/01/2023]
Abstract
This work aims to describe the purification and characterization of acidic-hydrolyzed corn silk polysaccharides (AH-CSP) and evaluate their protection on the H2O2-injured intestinalepithelial cells (IEC-6). Two fractions named AHP-1 and AHP-2 were obtained from AH-CSP, and physicochemical properties of them were investigated by gel permeation chromatography (GPC), gas chromatography (GC), nuclear magnetic resonance (NMR), fourier transform infrared (FT-IR) spectroscopy, scanning electronic microscopy (SEM), and Congo red test. Results showed that AHP-1 (2.80 × 104 Da) and AHP-2 (1.25 × 104 Da) were consisted of xylose, mannose, galactose, rhamnose, arabinose, and glucose. AHP-1 and AHP-2 had strong scavenging activities on 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2-Azobis-3-ethylbenzthiazoline-6-sulphonic acid (ABTS), and OH· free radicals. Furthermore, pretreatment with AHP-2 could protect the H2O2-injured IEC-6 cells by effectively scavenging the overproduced reactive oxygen species (ROS) and regulating of Kelch-like ECH-associated protein 1(Keap1)/ nuclear factor erythroid 2-related factor 2 (Nrf2) signal pathway.
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Affiliation(s)
- Yanan Jia
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, PR China
| | - Yajie Wang
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, PR China
| | - Ruilin Li
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, PR China
| | - Shuqin Li
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, PR China
| | - Min Zhang
- Tianjin Agricultural University, Tianjin 300384, PR China; State Key Laboratory of Nutrition and Safety, Tianjin University of Science & Technology, Tianjin 300457, PR China
| | - Chengwei He
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macao SAR 999078, PR China
| | - Haixia Chen
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, PR China.
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31
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Medlej MK, Batoul C, Olleik H, Li S, Hijazi A, Nasser G, Maresca M, Pochat-Bohatier C. Antioxidant Activity and Biocompatibility of Fructo-Polysaccharides Extracted from a Wild Species of Ornithogalum from Lebanon. Antioxidants (Basel) 2021; 10:antiox10010068. [PMID: 33430440 PMCID: PMC7827233 DOI: 10.3390/antiox10010068] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 12/17/2020] [Accepted: 12/28/2020] [Indexed: 12/25/2022] Open
Abstract
The present study aims to investigate the properties of biopolymers extracted from a Lebanese onion non edible plant. The extraction was performed under mild conditions by varying the percentage of ultra-sound (US) treatment duration to a total extraction time of 30 min (0, 50, 100% US). The extracts were characterized using FTIR, SEC, GC-MS, TGA, and DSC analyses. The composition of the extracts was determined from the total carbohydrate content and protein content measurements. The thermal analyses indicate that all samples have high thermal stability. The antioxidant activities of the extracts were investigated, using β-carotene bleaching, scavenging activity of ABTS, metal chelating ability, and total antioxidant activity tests. The results indicate that the 50% US treatment leads to the best antioxidant activity. Biocompatibility of the extracts was evaluated using hemolysis and cytotoxicity assays. The results showed that 0 and 50% US samples are not toxic to human cells, in contrary to 100% US.
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Affiliation(s)
- Mohammad Kazem Medlej
- Institut Européen des Membranes, IEM UMR 5635, Université de Montpellier, CNRS, ENSCM, 34095 Montpellier, France; (M.K.M.); (C.B.); (S.L.)
- Platform for Research and Analysis in Environmental Sciences (PRASE), Lebanese University, Beirut, Lebanon; (A.H.); (G.N.)
| | - Cherri Batoul
- Institut Européen des Membranes, IEM UMR 5635, Université de Montpellier, CNRS, ENSCM, 34095 Montpellier, France; (M.K.M.); (C.B.); (S.L.)
- Platform for Research and Analysis in Environmental Sciences (PRASE), Lebanese University, Beirut, Lebanon; (A.H.); (G.N.)
| | - Hamza Olleik
- Aix Marseille Université, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France; (H.O.); (M.M.)
| | - Suming Li
- Institut Européen des Membranes, IEM UMR 5635, Université de Montpellier, CNRS, ENSCM, 34095 Montpellier, France; (M.K.M.); (C.B.); (S.L.)
| | - Akram Hijazi
- Platform for Research and Analysis in Environmental Sciences (PRASE), Lebanese University, Beirut, Lebanon; (A.H.); (G.N.)
| | - Ghassan Nasser
- Platform for Research and Analysis in Environmental Sciences (PRASE), Lebanese University, Beirut, Lebanon; (A.H.); (G.N.)
| | - Marc Maresca
- Aix Marseille Université, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France; (H.O.); (M.M.)
| | - Céline Pochat-Bohatier
- Institut Européen des Membranes, IEM UMR 5635, Université de Montpellier, CNRS, ENSCM, 34095 Montpellier, France; (M.K.M.); (C.B.); (S.L.)
- Correspondence: ; Tel.: +33-467-143-327
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32
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Jia Y, Xue Z, Wang Y, Lu Y, Li R, Li N, Wang Q, Zhang M, Chen H. Chemical structure and inhibition on α-glucosidase of polysaccharides from corn silk by fractional precipitation. Carbohydr Polym 2021; 252:117185. [DOI: 10.1016/j.carbpol.2020.117185] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 09/20/2020] [Accepted: 09/28/2020] [Indexed: 01/09/2023]
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33
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Chen F, Zhang Q, Wu P, Zhao Y, Suo X, Xiao A, Ke M, He X, Tong Z, Chen Y. Green fabrication of seedbed-like Flammulina velutipes polysaccharides-derived scaffolds accelerating full-thickness skin wound healing accompanied by hair follicle regeneration. Int J Biol Macromol 2020; 167:117-129. [PMID: 33249152 DOI: 10.1016/j.ijbiomac.2020.11.154] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 11/14/2020] [Accepted: 11/23/2020] [Indexed: 12/14/2022]
Abstract
A novel seedbed-like scaffold was firstly fabricated by the "frozen sectioning" processing method using Flammulina velutipes as a raw material. The Flammulina velutipes polysaccharides scaffold is composed of a natural structure imitating the "ground" (connected and aligned hollow tubes with porous walls). Meanwhile, its biologically active components include polysaccharides and proteins, mimicking the "plant nutrition" in the seedbed. To further optimize the ground and nutrition components, Flammulina velutipes polysaccharides-derived scaffolds (FPDSs) were fabricated via the treatment of original Flammulina velutipes polysaccharides scaffold (labeled FPS) by NaOH, cysteine (labeled as FPS/NaOH, FPS/Cys, respectively). FPDSs were characterized by SEM, FTIR, XRD, water absorption and retention, and mechanical evaluations. From the results, FPS/NaOH and FPS/Cys lost the characteristic big tubes of original strips and had higher water absorption capacities comparing to FPS. Simultaneously, FPS/NaOH had better ductility, FPS/Cys had showed increased stiffness. Biological activities of FPDSs were tested against different types of bacteria exhibiting excellent anti-bacterial activity, and FPS/NaOH and FPS/Cys had dramatically higher anti-bacterial activity than FPS. The cytocompatibility of FPDSs was evaluated utilizing mouse fibroblast cell line (L929), and all FPDSs showed good cytocompatibility. The FPDSs were further applied to a rat full-thickness skin wound model, and they all exhibited obviously accelerated re-epithelialization, among which FPS/NaOH showed the greatest efficiency. FPS/NaOH could shorten the wound-healing process as evidenced by dynamic alterations of the expression levels of specific stagewise markers in the healing areas. Similarly, FPS/NaOH can efficiently induce hair follicle regeneration in the healing skin tissues. In summary, FPDSs exhibit potential functions as seedbeds to promote the regeneration of the "seed" including hair follicles and injured skin, opening a new avenue for wound healing.
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Affiliation(s)
- Feixiang Chen
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Qiang Zhang
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China; Hangzhou Singclean Medical Products Co., Ltd., Hangzhou 310018, China
| | - Ping Wu
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Yanan Zhao
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China; Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Xiaotong Suo
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Ao Xiao
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Meifang Ke
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Xiaohua He
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Zan Tong
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China.
| | - Yun Chen
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China.
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34
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Jia Y, Gao X, Xue Z, Wang Y, Lu Y, Zhang M, Panichayupakaranant P, Chen H. Characterization, antioxidant activities, and inhibition on α-glucosidase activity of corn silk polysaccharides obtained by different extraction methods. Int J Biol Macromol 2020; 163:1640-1648. [PMID: 32941900 DOI: 10.1016/j.ijbiomac.2020.09.068] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 08/04/2020] [Accepted: 09/10/2020] [Indexed: 02/05/2023]
Abstract
The polysaccharides (CSPw, CSPc, CSPa, and CSPu) were prepared by hot water extraction, acid-assisted extraction, alkaline-assisted extraction, and ultrasound-assisted extraction from corn silk, respectively. High performance gel permeation chromatography (HPGPC), fourier-transform infrared (FT-IR) spectroscopy, and scanning electron microscopy (SEM) results indicated that the extraction methods had an obvious impact on the molecular weight, structure, and morphology of the CSPs. Among the four polysaccharides, CSPu showed the highest inhibitory α-glucosidase activity, which might be related to its smaller molecular weight. Furthermore, kinetics analyses revealed that CSPu had significant inhibition of α-glucosidase in a non-reversible and competitive manner. Fluorescence quenching analysis illustrated that the interaction mechanism of CSPu and α-glucosidase was claimed as a static quenching mechanism. Isothermal titration calorimetry (ITC) analysis showed that the main driving forces for the interaction of CSPu with α-glucosidase was hydrogen bonding and the binding interactions of them occurred spontaneously.
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Affiliation(s)
- Yanan Jia
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, PR China
| | - Xudong Gao
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, PR China
| | - Zihan Xue
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, PR China
| | - Yajie Wang
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, PR China
| | - Yangpeng Lu
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, PR China
| | - Min Zhang
- Tianjin Agricultural University, Tianjin 300384, PR China; State Key Laboratory of Nutrition and Safety, Tianjin University of Science & Technology, Tianjin 300457, PR China
| | - Pharkphoom Panichayupakaranant
- Phytomedicine and Pharmaceutical Biotechnology Excellence Center, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat-Yai, Songkhla 90112, Thailand
| | - Haixia Chen
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, PR China.
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Song JY, Fan B, Che L, Pan YR, Zhang SM, Wang Y, Bunik V, Li GY. Suppressing endoplasmic reticulum stress-related autophagy attenuates retinal light injury. Aging (Albany NY) 2020; 12:16579-16596. [PMID: 32858529 PMCID: PMC7485697 DOI: 10.18632/aging.103846] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 06/30/2020] [Indexed: 01/01/2023]
Abstract
Excessive light exposure is a principal environmental factor, which can cause damage to photoreceptors and retinal pigment epithelium (RPE) cells and may accelerate the progression of age-related macular degeneration (AMD). In this study, oxidative stress, endoplasmic reticulum (ER) stress and autophagy caused by light exposure were evaluated in vitro and in vivo. Light exposure caused severe photo-oxidative stress and ER stress in photoreceptors (661W cells) and RPE cells (ARPE-19 cells). Suppressing either oxidative stress or ER stress was protective against light damage in 661W and ARPE-19 cells and N-acetyl-L-cysteine treatment markedly inhibited the activation of ER stress caused by light exposure. Moreover, suppressing autophagy with 3-methyladenine significantly attenuated light-induced cell death. Additionally, inhibiting ER stress either by knocking down PERK signals or with GSK2606414 treatment remarkably suppressed prolonged autophagy and protected the cells against light injury. In vivo experiments verified neuroprotection via inhibiting ER stress-related autophagy in light-damaged retinas of mice. In conclusion, the above results suggest that light-induced photo-oxidative stress may trigger subsequent activation of ER stress and prolonged autophagy in photoreceptors and RPE cells. Suppressing ER stress may abrogate over-activated autophagy and protect the retina against light injury.
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Affiliation(s)
- Jing-Yao Song
- Department of Ophthalmology, Second Hospital of Jilin University, Changchun, China
| | - Bin Fan
- Department of Ophthalmology, Second Hospital of Jilin University, Changchun, China
| | - Lin Che
- Department of Ophthalmology, Second Hospital of Jilin University, Changchun, China
| | - Yi-Ran Pan
- Department of Ophthalmology, Second Hospital of Jilin University, Changchun, China
| | - Si-Ming Zhang
- Department of Ophthalmology, Second Hospital of Jilin University, Changchun, China
| | - Ying Wang
- Department of Hemooncolog, Second Hospital of Jilin University, Changchun, China
| | - Victoria Bunik
- A.N.Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Guang-Yu Li
- Department of Ophthalmology, Second Hospital of Jilin University, Changchun, China
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Purification, characterisation and antioxidant activities of chondroitin sulphate extracted from Raja porosa cartilage. Carbohydr Polym 2020; 241:116306. [DOI: 10.1016/j.carbpol.2020.116306] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 04/12/2020] [Accepted: 04/13/2020] [Indexed: 11/16/2022]
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Sung TJ, Wang YY, Liu KL, Chou CH, Lai PS, Hsieh CW. Pholiota nameko Polysaccharides Promotes Cell Proliferation and Migration and Reduces ROS Content in H 2O 2-Induced L929 Cells. Antioxidants (Basel) 2020; 9:antiox9010065. [PMID: 31936888 PMCID: PMC7022505 DOI: 10.3390/antiox9010065] [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: 11/29/2019] [Revised: 12/30/2019] [Accepted: 01/01/2020] [Indexed: 01/02/2023] Open
Abstract
Pholiota nameko, a type of edible and medicinal fungus, is currently grown extensively for food and traditional medicine in China and Japan. It possesses various biological activities, such as anti-inflammatory, anti-hyperlipidemia and antitumor activities. However, P. nameko has rarely been discussed in the field of dermatology; identifying its biological activities could be beneficial in development of a new natural ingredient used in wound care. To evaluate its in vitro wound healing activities, the present study assessed the antioxidant and anti-collagenase activities of P. nameko polysaccharides (PNPs) prepared through fractional precipitation (40%, 60% and 80% (v/v)); the assessments were conducted using reducing power, hydroxyl radical scavenging activity, dichloro-dihydro-fluorescein diacetate and collagenase activity assays. The ability of PNPs to facilitate L929 fibroblast cell proliferation and migration was assessed using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and scratch assays. The findings indicated that, among all fractions, PNP-80 showed the best antioxidant and anti-collagenase activity, as measured by their reducing power (IC50 of PNP-80 was 2.43 ± 0.17 mg/mL), the hydroxyl radical scavenging (IC50 of PNP-80 was 2.74 ± 0.11 mg/mL) and collagenase activity assay, and significantly reduced cellular ROS content, compared with that of H2O2-induced L929 cells. Moreover, PNP-80 significantly promoted L929 fibroblast proliferation and migration, compared with the control group. Overall, we suggested that PNP-80 could be a promising candidate for further evaluation of its potential application on wound healing.
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Affiliation(s)
- Tzu-Jung Sung
- Department of Food Science and Biotechnology, National Chung Hsing University, 145 Xingda Rd., South Dist., Taichung City 402, Taiwan; (T.-J.S.); (Y.-Y.W.); (K.-L.L.)
| | - Yu-Ying Wang
- Department of Food Science and Biotechnology, National Chung Hsing University, 145 Xingda Rd., South Dist., Taichung City 402, Taiwan; (T.-J.S.); (Y.-Y.W.); (K.-L.L.)
| | - Kai-Lun Liu
- Department of Food Science and Biotechnology, National Chung Hsing University, 145 Xingda Rd., South Dist., Taichung City 402, Taiwan; (T.-J.S.); (Y.-Y.W.); (K.-L.L.)
| | - Chun-Hsu Chou
- Dr. Jou Biotech Co., Ltd., No.21, Lugong S. 2nd Rd., Lukang Township, Changhua Country 505, Taiwan;
| | - Ping-Shan Lai
- Department of Chemistry, National Chung Hsing University, 145 Xingda Rd., South Dist., Taichung City 402, Taiwan;
| | - Chang-Wei Hsieh
- Department of Food Science and Biotechnology, National Chung Hsing University, 145 Xingda Rd., South Dist., Taichung City 402, Taiwan; (T.-J.S.); (Y.-Y.W.); (K.-L.L.)
- Department of Medical Research, China Medical University Hospital, Taichung 404, Taiwan
- Correspondence: ; Tel.: +886-4-2284-0385 (ext. 5031); Fax: +886-4-2287-6211
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