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Park MH, Kim HJ, Han JS. Pheophorbide A isolated from Gelidium amansii inhibits adipogenesis by regulating adipogenic transcription factors and AMPK in 3T3-L1 adipocytes. Nutr Res 2022; 107:187-194. [PMID: 36323192 DOI: 10.1016/j.nutres.2022.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 09/29/2022] [Accepted: 10/02/2022] [Indexed: 12/27/2022]
Abstract
Adipocyte lipid accumulation causes adipocyte hypertrophy and adipose tissue increment, leading to obesity. As part of our efforts to isolate antiobesity agents from natural products, we first isolated the active compound from the extract of Gelidium amansii through bioassay-guided fractionation. We then hypothesized that pheophorbide A isolated from G amansii inhibits adipogenesis by downregulating adipogenic transcription factors; therefore, the antiadipogenic effects of pheophorbide A were investigated in 3T3-L1 adipocytes. On differentiation of 3T3-L1 preadipocytes into adipocytes, they were treated with pheophorbide A (0-83 µM). Pheophorbide A inhibited triglyceride accumulation (half maximal inhibitory concentration = 114.2 µM) and stimulated glycerol release in a dose-dependent manner in 3T3-L1 adipocytes. In addition, pheophorbide A significantly decreased leptin concentrations in 3T3-L1 adipocytes. Pheophorbide A inhibited adipogenesis by suppressing the expression of adipogenic transcriptional factors including peroxisome proliferator-activated receptor γ, CCATT/enhancer binding protein α, sterol regulatory element binding protein 1c, and fatty acid synthase. It also induced the expression of phosphorylation of AMP-activated protein kinase. Therefore, these results suggest that pheophorbide A may be useful for preventing or treating obesity because of its inhibitory effect on adipogenesis.
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Affiliation(s)
- Mi Hwa Park
- Department of Food and Nutrition, College of Health and Welfare, Silla University, Busan 46958, Republic of Korea
| | - Hak-Ju Kim
- Seojin Biotech Co., Ltd., Gyeoggi 17015, Republic of Korea
| | - Ji-Sook Han
- Department of Food Science and Nutrition, Pusan National University, Busan 46241, Republic of Korea.
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Zhang L, Liao W, Huang Y, Wen Y, Chu Y, Zhao C. Global seaweed farming and processing in the past 20 years. FOOD PRODUCTION, PROCESSING AND NUTRITION 2022. [DOI: 10.1186/s43014-022-00103-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AbstractSeaweed has emerged as one of the most promising resources due to its remarkable adaptability, short development period, and resource sustainability. It is an effective breakthrough to alleviate future resource crises. Algal resources have reached a high stage of growth in the past years due to the increased output and demand for seaweed worldwide. Several aspects global seaweed farming production and processing over the last 20 years are reviewed, such as the latest situation and approaches of seaweed farming. Research progress and production trend of various seaweed application are discussed. Besides, the challenges faced by seaweed farming and processing are also analyzed, and the related countermeasures are proposed, which can provide advice for seaweed farming and processing. The primary products, extraction and application, or waste utilization of seaweed would bring greater benefits with the continuous development and improvement of applications in various fields.
Graphical Abstract
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Mohibbullah M, Pringgo Wicaksono MY, Hannan MA, Dash R, Nur Meinita MD, Choi JS, Hong YK, Moon IS. The Edible Seaweed Gelidium amansii Promotes Structural Plasticity of Hippocampal Neurons and Improves Scopolamine-Induced Learning and Memory Impairment in Mice. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2022; 22:CNSNDDT-EPUB-126264. [PMID: 36093815 DOI: 10.2174/1871527321666220909142158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 06/20/2022] [Accepted: 08/11/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Gelidium amansii has been gaining profound interest in East Asian countries due to its enormous commercial value for agar production and its extensive pharmacological properties. Previous studies have shown that the ethanol extract of Gelidium amansii (GAE) has promising neurotrophic effects in in vitro conditions. OBJECTIVES The present study aimed at investigating the protective effects of GAE against scopolamine-induced cognitive deficits and its modulatory effects on hippocampal plasticity in mice. METHODS For memory-related behavioral studies, the passive avoidance test and radial arm maze paradigm were conducted. The brain slices of the hippocampus CA1 neurons of experimental mice were then prepared to perform Golgi staining for analyzing spine density and its characteristic shape, and immunohistochemistry for assessing the expression of different pre- and postsynaptic proteins. RESULTS Following oral administration of GAE (0.5 mg/g body weight), mice with memory deficits exhibited a significant increase in the latency time on the passive avoidance test and a decrease in the number of working and reference memory errors and latency time on the radial arm maze test. Microscopic observations of Golgi-impregnated tissue sections and immunohistochemistry of hippocampal slices showed that neurons from GAE-treated mice displayed higher spine density and spine dynamics, increased synaptic contact, and the recruitment of memory-associated proteins such as N-methyl-D-aspartate receptors (NR2A and NR2B) and postsynaptic density-95 (PSD-95) when compared with the control group. CONCLUSION With these memory-protective functions and a modulatory role in underlying memory-related events, GAE could be a potential functional food and a promising source of pharmacological agents for the prevention and treatment of memory-related brain disorders.
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Affiliation(s)
- Md Mohibbullah
- Department of Fishing and Post Harvest Technology, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207, Bangladesh
- Seafood Research Center, Silla University, #605, Advanced Seafood Processing Complex, Wonyang-ro, Amnam-dong, Seo-gu, Busan 49277, Korea
- Department of Food Biotechnology, Division of Bioindustry, College of Medical and Life Sciences, Silla University, Busan 46958, Korea
- Department of Biotechnology, Pukyong National University, Namku, Busan 608-737, Korea
| | | | - Md Abdul Hannan
- Department of Biochemistry and Molecular Biology, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh
- Department of Anatomy, College of Korean Medicine, Dongguk University, 38066, Korea
| | - Raju Dash
- Department of Anatomy, College of Korean Medicine, Dongguk University, Gyeongju, Gyeongbuk 38066, Korea
| | - Maria Dyah Nur Meinita
- Faculty of Fisheries and Marine Science, Center for Maritime Biosciences Studies, Jenderal Soedirman University, Purwokerto 53123, Indonesia
| | - Jae-Suk Choi
- Seafood Research Center, Silla University, #605, Advanced Seafood Processing Complex, Wonyang-ro, Amnam-dong, Seo-gu, Busan 49277, Korea
- Department of Food Biotechnology, Division of Bioindustry, College of Medical and Life Sciences, Silla University, Busan 46958, Korea
| | - Yong-Ki Hong
- Department of Biotechnology, Pukyong National University, Namku, Busan 608-737, Korea
| | - Il Soo Moon
- Department of Anatomy, College of Korean Medicine, Dongguk University, Gyeongju, Gyeongbuk 38066, Korea
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Yu G, Zhang Q, Wang Y, Yang Q, Yu H, Li H, Chen J, Fu L. Sulfated polysaccharides from red seaweed Gelidium amansii: Structural characteristics, anti-oxidant and anti-glycation properties, and development of bioactive films. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106820] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Menaa F, Wijesinghe U, Thiripuranathar G, Althobaiti NA, Albalawi AE, Khan BA, Menaa B. Marine Algae-Derived Bioactive Compounds: A New Wave of Nanodrugs? Mar Drugs 2021; 19:484. [PMID: 34564146 PMCID: PMC8469996 DOI: 10.3390/md19090484] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 08/16/2021] [Accepted: 08/19/2021] [Indexed: 02/07/2023] Open
Abstract
Marine algae are rich in bioactive nutraceuticals (e.g., carbohydrates, proteins, minerals, fatty acids, antioxidants, and pigments). Biotic (e.g., plants, microorganisms) and abiotic factors (e.g., temperature, pH, salinity, light intensity) contribute to the production of primary and secondary metabolites by algae. Easy, profitable, and sustainable recovery methods include novel solid-liquid and liquid-liquid extraction techniques (e.g., supercritical, high pressure, microwave, ultrasound, enzymatic). The spectacular findings of algal-mediated synthesis of nanotheranostics has attracted further interest because of the availability of microalgae-based natural bioactive therapeutic compounds and the cost-effective commercialization of stable microalgal drugs. Algal extracts can serve as stabilizing/capping and reducing agents for the synthesis of thermodynamically stable nanoparticles (NPs). Different types of nanotherapeutics have been synthesized using physical, chemical, and biological methods. Marine algae are a fascinating source of lead theranostics compounds, and the development of nanotheranostics has been linked to enhanced drug efficacy and safety. Indeed, algae are remarkable nanobiofactories, and their pragmatic properties reside in their (i) ease of handling; (ii) capacity to absorb/accumulate inorganic metallic ions; (iii) cost-effectiveness; and (iv) capacity of eco-friendly, rapid, and healthier synthesis of NPs. Preclinical and clinical trials shall enable to really define effective algal-based nanotherapies. This review aims to provide an overview of the main algal compounds that are nutraceuticals and that can be extracted and purified for nanotheranostic purposes.
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Affiliation(s)
- Farid Menaa
- Department of Internal Medicine and Nanomedicine, Fluorotronics-CIC, San Diego, CA 92037, USA;
| | - Udari Wijesinghe
- Institute of Chemistry Ceylon, College of Chemical Sciences, Rajagiriya 10107, Sri Lanka; (U.W.); (G.T.)
| | - Gobika Thiripuranathar
- Institute of Chemistry Ceylon, College of Chemical Sciences, Rajagiriya 10107, Sri Lanka; (U.W.); (G.T.)
| | - Norah A. Althobaiti
- Biology Department, College of Science and Humanities, Shaqra University, Al Quwaiiyah 19257, Saudi Arabia;
| | - Aishah E. Albalawi
- Biology Department, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia;
| | - Barkat Ali Khan
- Department of Pharmacy, Gomal University, Dera Ismail Khan 29050, Pakistan;
| | - Bouzid Menaa
- Department of Internal Medicine and Nanomedicine, Fluorotronics-CIC, San Diego, CA 92037, USA;
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Jang JH, So BR, Yeo HJ, Kang HJ, Kim MJ, Lee JJ, Jung SK, Jung YH. Preparation of cellulose microfibril (CMF) from Gelidium amansii and feasibility of CMF as a cosmetic ingredient. Carbohydr Polym 2021; 257:117569. [PMID: 33541629 DOI: 10.1016/j.carbpol.2020.117569] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 11/28/2020] [Accepted: 12/24/2020] [Indexed: 02/07/2023]
Abstract
Cellulose microfibrils (CMF) were successfully isolated from the red alga, Gelidium amansii. G. amansii was processed in two stages, microwave digestion and high-speed blending to remove agar and extract microfibrils, respectively. After pretreatment at 180 °C for 10 min, G. amansii containing 40.1 % glucan was microfibrillated through homogenization. Morphological analysis by SEM and FTIR, and analysis of the degree of fibrillation with water retention, sedimentation, and CtCBD3 protein binding of G. amansii-derived CMF were investigated. Functional analysis of CMF showed suppression of cyclooxygenase-2 expression in both in vitro and in vivo experiments. Additionally, suppression was evident in the: i) epidermal thickness of mice skin; ii) presence of proinflammatory cytokines; and iii) inhibition of JNK1/2 and p38 phosphorylation in human keratinocyte HaCaT cells. Such activity demonstrates its anti-inflammatory properties. The results in this study showed the possibility of using CMF derived from a red alga as an anti-inflammation material.
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Affiliation(s)
- Jeong Hwa Jang
- School of Food Science and Biotechnology, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Bo Ram So
- School of Food Science and Biotechnology, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Hyeon Jin Yeo
- School of Food Science and Biotechnology, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Hye Jee Kang
- School of Food Science and Biotechnology, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Min Jeong Kim
- School of Food Science and Biotechnology, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Jeong Jae Lee
- Division of Animal and Dairy Science, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Sung Keun Jung
- School of Food Science and Biotechnology, Kyungpook National University, Daegu, 41566, Republic of Korea; Institute of Agricultural Science & Technology, Kyungpook National University, Daegu, 41566, Republic of Korea.
| | - Young Hoon Jung
- School of Food Science and Biotechnology, Kyungpook National University, Daegu, 41566, Republic of Korea; Institute of Fermentation Biotechnology, Kyungpook National University, Daegu, 41566, Republic of Korea.
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So BR, Yeo HJ, Lee JJ, Jung YH, Jung SK. Cellulose nanocrystal preparation from Gelidium amansii and analysis of its anti-inflammatory effect on the skin in vitro and in vivo. Carbohydr Polym 2020; 254:117315. [PMID: 33357878 DOI: 10.1016/j.carbpol.2020.117315] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 10/16/2020] [Accepted: 10/22/2020] [Indexed: 02/06/2023]
Abstract
Treated Gelidium amansii cellulose nanocrystal (TGa CNC) was prepared from treated Gelidium amansii (TGa) and evaluated for its anti-inflammatory effect on human keratinocytes and mice skin. Using three independent cell lines, TGa CNC showed no cytotoxicity in HaCaT, Beas-2B, and Raw 264.7 cells. A non-toxic dose of TGa CNC suppressed ultraviolet (UV) B-induced AP (activated protein)-1, and subsequent cyclooxygenase (COX)-2 gene and protein expression in HaCaT cells. TGa CNC suppressed translocation of c-Jun from the cytosol to the nucleus responds to UVB irradiation. Additionally, TGa CNC suppressed UVB-induced extracellular signal-regulated kinases (ERKs)1/2/MEK/2/B-Raf, c-Jun N-terminal kinase (JNK)1/2/MKK4/7, Akt, and epidermal growth factor receptor (EGFR) phosphorylation in HaCaT cells. Dorsal treatment of TGa CNC significantly suppressed acute UVB-induced increase in epidermal thickness and COX-2 expression in mice skin. Overall, these results indicate that TGa CNC exerts potent anti-inflammatory activity through the inhibition of abnormal COX-2 expression and mitogen-activated protein kinases (MAPK)s signaling pathways.
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Affiliation(s)
- Bo Ram So
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Hyeon Jin Yeo
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Jeong Jae Lee
- Division of Animal and Dairy Science, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Young Hoon Jung
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea.
| | - Sung Keun Jung
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea; Institute of Agricultural Science & Technology, Kyungpook National University, Daegu 41566, Republic of Korea.
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