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Abruscato G, Tarantino R, Mauro M, Chiarelli R, Vizzini A, Arizza V, Vazzana M, Luparello C. Modulation of Glucose Consumption and Uptake in HepG2 Cells by Aqueous Extracts from the Coelomic Fluid of the Edible Holothuria tubulosa Sea Cucumber. BIOLOGY 2024; 13:378. [PMID: 38927258 PMCID: PMC11201224 DOI: 10.3390/biology13060378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 05/20/2024] [Accepted: 05/24/2024] [Indexed: 06/28/2024]
Abstract
The cell-free aqueous extract from the coelomic fluid of Holothuria tubulosa was prepared and examined for its glucose-lowering effect on HepG2 cells in vitro. In particular, employing a combination of cytochemical, flow cytometric, PCR, and protein blot techniques, we evaluated its role on glucose internalization and storage and on the upregulation and surface translocation of the two glucose transporters GLUT-2 and -4. The changes in expression, synthesis, and/or activation of the GLUT2-related transcription factor hepatocyte nuclear factor-1 alpha (HNF1α) and the GLUT-4-translocation regulatory factors insulin receptor substrate-1 (IRS-1) and AKT were also studied. Our results showed the improved glucose response by HepG2 cells, leading to an evident increase in glucose consumption/uptake and glycogen storage upon exposure. Moreover, the extract induced molecular reprogramming involving the upregulation of (i) IRS1 gene expression, (ii) the transcription and translation levels of HNF1α, AKT, and GLUT-4, (iii) the phosphorylation level of AKT, (iv) the synthesis of GLUT-2 protein, and (v) the translocation of GLUT-2 and -4 transporters onto the plasma membrane. Cumulatively, our results suggest that the coelomic fluid extract from H. tubulosa can be taken into consideration for the development of novel treatment agents against diabetes mellitus.
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Affiliation(s)
- Giulia Abruscato
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy; (G.A.); (R.T.); (M.M.); (R.C.); (A.V.); (V.A.); (M.V.)
| | - Roberta Tarantino
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy; (G.A.); (R.T.); (M.M.); (R.C.); (A.V.); (V.A.); (M.V.)
| | - Manuela Mauro
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy; (G.A.); (R.T.); (M.M.); (R.C.); (A.V.); (V.A.); (M.V.)
| | - Roberto Chiarelli
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy; (G.A.); (R.T.); (M.M.); (R.C.); (A.V.); (V.A.); (M.V.)
| | - Aiti Vizzini
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy; (G.A.); (R.T.); (M.M.); (R.C.); (A.V.); (V.A.); (M.V.)
- National Biodiversity Future Center (NBFC), 90133 Palermo, Italy
| | - Vincenzo Arizza
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy; (G.A.); (R.T.); (M.M.); (R.C.); (A.V.); (V.A.); (M.V.)
- National Biodiversity Future Center (NBFC), 90133 Palermo, Italy
| | - Mirella Vazzana
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy; (G.A.); (R.T.); (M.M.); (R.C.); (A.V.); (V.A.); (M.V.)
- National Biodiversity Future Center (NBFC), 90133 Palermo, Italy
| | - Claudio Luparello
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy; (G.A.); (R.T.); (M.M.); (R.C.); (A.V.); (V.A.); (M.V.)
- National Biodiversity Future Center (NBFC), 90133 Palermo, Italy
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Hossain A, Senadheera TRL, Dave D, Shahidi F. Phenolic profiles of Atlantic sea cucumber (Cucumaria frondosa) tentacles and their biological properties. Food Res Int 2023; 163:112262. [PMID: 36596173 DOI: 10.1016/j.foodres.2022.112262] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 11/22/2022] [Accepted: 11/27/2022] [Indexed: 12/02/2022]
Abstract
Sea cucumber tentacles (aquapharyngeal bulb) are a rich source of biologically active compounds, including phenolics, however they are mainly discarded as processing waste. This study evaluated free, esterified, and insoluble-bound phenolics of Atlantic sea cucumber (Cucumaria frondosa) tentacles and their antioxidant activity for the first time. Biological properties such as inhibitory activities against α-glucosidase, tyrosinase, and the formation of AGEs as well as LDL-cholesterol and DNA oxidation were investigated. The antioxidant activity of the phenolic extracts was also evaluated in a fish model system. In the UHPLC-QTOF-MS/MS analysis, 31 phenolic compounds, mainly phenolic acids and flavonoids, were identified and quantified. Among them, eight compounds were detected for the first time in any species of sea cucumber. The free phenolic fraction was the major form of phenolics, mainly protocatechuic acid, p-coumaric acid, gallic acid, ellagic acid, catechin, and quercetin, exhibiting strong antioxidant and biological activities. Fresh Atlantic salmon treated with sea cucumber phenolics delayed lipid oxidation as measured by the thiobarbituric acid reactive substances (TBARS) assay. Therefore, Atlantic sea cucumber tentacles may serve as a viable source of functional food ingredients with protective antioxidant properties.
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Affiliation(s)
- Abul Hossain
- Department of Biochemistry, Memorial University of Newfoundland, St. John's, NL A1C 5S7, Canada
| | - Tharindu R L Senadheera
- Department of Biochemistry, Memorial University of Newfoundland, St. John's, NL A1C 5S7, Canada
| | - Deepika Dave
- Department of Biochemistry, Memorial University of Newfoundland, St. John's, NL A1C 5S7, Canada; Marine Bioprocessing Facility, Centre of Aquaculture and Seafood Development, Marine Institute, Memorial University, St. John's, NL A1C 5R3, Canada.
| | - Fereidoon Shahidi
- Department of Biochemistry, Memorial University of Newfoundland, St. John's, NL A1C 5S7, Canada.
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Antioxidant Potential of Sea Cucumbers and Their Beneficial Effects on Human Health. Mar Drugs 2022; 20:md20080521. [PMID: 36005524 PMCID: PMC9410154 DOI: 10.3390/md20080521] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/10/2022] [Accepted: 08/12/2022] [Indexed: 12/17/2022] Open
Abstract
Sea cucumbers are considered a luxury food item and used locally in traditional medication due to their impressive nutritional profile and curative effects. Sea cucumbers contain a wide range of bioactive compounds, namely phenolics, polysaccharides, proteins (collagen and peptides), carotenoids, and saponins, demonstrating strong antioxidant and other activities. In particular, phenolic compounds, mainly phenolic acids and flavonoids, are abundant in this marine invertebrate and exhibit antioxidant activity. Protein hydrolysates and peptides obtained from sea cucumbers exhibit antioxidant potential, mainly dependent on the amino acid compositions and sequences as well as molecular weight, displayed for those of ≤20 kDa. Moreover, the antioxidant activity of sea cucumber polysaccharides, including fucosylated chondroitin sulfate and fucan, is a combination of numerous factors and is mostly associated with molecular weight, degree of sulfation, and type of major sugars. However, the activity of these bioactive compounds typically depends on the sea cucumber species, harvesting location, food habit, body part, and processing methods employed. This review summarizes the antioxidant activity of bioactive compounds obtained from sea cucumbers and their by-products for the first time. The mechanism of actions, chemical structures, and factors affecting the antioxidant activity are also discussed, along with the associated health benefits.
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Hossain A, Dave D, Shahidi F. Effect of High-Pressure Processing (HPP) on Phenolics of North Atlantic Sea Cucumber ( Cucumaria frondosa). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:3489-3501. [PMID: 35286101 DOI: 10.1021/acs.jafc.2c00140] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Sea cucumber contains a wide range of bioactive compounds, including phenolics. This study investigated the free, esterified, and insoluble-bound phenolics of sea cucumber body wall as affected by high-pressure processing (HPP) pretreatment. Sea cucumber body wall was subjected to HPP (200, 400, and 600 MPa for 5, 10, and 15 min), followed by the extraction of phenolics. The contents of total phenolics and antioxidant activity were monitored. Compared to untreated samples, those treated with HPP exhibited significantly higher total phenolics, flavonoids, and antioxidant activities. Treatment of 600 MPa for 10 min offered the optimal results. The highest amount of phenolics was observed in the free phenolic fraction, followed by esterified and insoluble-bound phenolic fractions. Moreover, phenolic extracts showed inhibitory effects against cupric ion-induced low-density lipoprotein (LDL)-cholesterol oxidation, peroxyl and hydroxyl radical-induced DNA scission, α-glucosidase activity, and formation of advanced glycation end products (AGEs). Ultra-high-performance liquid chromatography equipped with a quadrupole time of fight and mass spectrometer (UHPLC-QTOF-MS/MS) identified 20 phenolic compounds, mainly phenolic acids and flavonoids, from the body wall of this species for the first time. Thus, sea cucumber may lead to the production of a multitude of value-added products.
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Affiliation(s)
- Abul Hossain
- Department of Biochemistry, Memorial University of Newfoundland, St. John's, NL A1C 5S7, Canada
| | - Deepika Dave
- Department of Biochemistry, Memorial University of Newfoundland, St. John's, NL A1C 5S7, Canada
- Marine Bioprocessing Facility, Centre of Aquaculture and Seafood Development, Marine Institute, Memorial University, St. John's, NL A1B 3X9, Canada
| | - Fereidoon Shahidi
- Department of Biochemistry, Memorial University of Newfoundland, St. John's, NL A1C 5S7, Canada
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Hossain A, Yeo J, Dave D, Shahidi F. Phenolic Compounds and Antioxidant Capacity of Sea Cucumber (Cucumaria frondosa) Processing Discards as Affected by High-Pressure Processing (HPP). Antioxidants (Basel) 2022; 11:antiox11020337. [PMID: 35204219 PMCID: PMC8868223 DOI: 10.3390/antiox11020337] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 02/04/2022] [Accepted: 02/07/2022] [Indexed: 01/15/2023] Open
Abstract
Sea cucumber processing discards, which include mainly internal organs, represent up to 50% of the sea cucumber biomass, and are a rich source of bioactive compounds, including phenolics. This work aimed to extract free, esterified, and insoluble-bound phenolics from the internal organs of the Atlantic sea cucumber (C. frondosa) using high-pressure processing (HPP) pre-treatment. The sea cucumber internal organs were subjected to HPP (6000 bar for 10 min), followed by the extraction and characterization of phenolics. Samples were evaluated for their total contents of phenolics and flavonoids, as well as several in vitro methods of antioxidant activities, namely, free radical scavenging and metal chelation activities. Moreover, anti-tyrosinase and antiglycation properties, as well as inhibitory activities against LDL cholesterol oxidation and DNA damage, were examined. The results demonstrated that HPP pre-treatment had a significant effect on the extraction of phenolics, antioxidant properties, and other bioactivities. The phenolics in sea cucumber internal organs existed mainly in the free form, followed by the insoluble-bound and esterified fractions. Additionally, UHPLC-QTOF-MS/MS analysis identified and quantified 23 phenolic compounds from HPP-treated samples, mostly phenolic acids and flavonoids. Hence, this investigation provides fundamental information that helps to design the full utilization of the Atlantic sea cucumber species and the production of a multitude of value-added products.
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Affiliation(s)
- Abul Hossain
- Department of Biochemistry, Memorial University of Newfoundland, St. John’s, NL A1C 5S7, Canada; (A.H.); (J.Y.)
| | - JuDong Yeo
- Department of Biochemistry, Memorial University of Newfoundland, St. John’s, NL A1C 5S7, Canada; (A.H.); (J.Y.)
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
| | - Deepika Dave
- Department of Biochemistry, Memorial University of Newfoundland, St. John’s, NL A1C 5S7, Canada; (A.H.); (J.Y.)
- Marine Bioprocessing Facility, Centre of Aquaculture and Seafood Development, Marine Institute, Memorial University, St. John’s, NL A1C 5R3, Canada
- Correspondence: (D.D.); (F.S.)
| | - Fereidoon Shahidi
- Department of Biochemistry, Memorial University of Newfoundland, St. John’s, NL A1C 5S7, Canada; (A.H.); (J.Y.)
- Correspondence: (D.D.); (F.S.)
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