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He Y, Nong Y, Qin J, Feng L, Qin J, Wang Q, Deng L, Tang S, Zhang M, Fan X, Dong M, Wei J, Pan S, Su Z. Protective effects of oyster polypeptide on cyclophosphamide-induced immunosuppressed rats. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:7143-7158. [PMID: 38629663 DOI: 10.1002/jsfa.13537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 02/26/2024] [Accepted: 04/17/2024] [Indexed: 05/01/2024]
Abstract
BACKGROUND Oyster polypeptide (OP) is a mixture of oligopeptides extracted from oysters through enzyme lysis, separation, and purification. It is associated with immunomodulatory effects, but the underlying mechanisms are not known. This study therefore combined proton nuclear magnetic resonance (1H-NMR) urinary metabolomics and 16S rRNA gene sequencing of the gut microbiome to determine the immunoprotective mechanisms of OP in rats subjected to cyclophosphamide-induced immunosuppression. RESULTS Oyster polypeptide restored the body weight and the structure of spleen and thymus in rats with cyclophosphamide-induced immunosuppression. It upregulated the levels of white blood cells (WBCs), hemoglobin (HGB), platelets (PLT), red blood cells (RBCs), immunoglobulin G (IgG), immunoglobulin M (IgM), cytokines such as interleukin‑6 (IL-6) and tumor necrosis factor-α (TNF-α), and increased the numbers of CD3+ and CD4+ T cells in the immunosuppressed rats. The 1H-NMR metabolomics results showed that OP significantly reversed the levels of ten metabolites in urine, including 2-oxoglutarate, citrate, dimethylamine, taurine, N-phenylacetylglycine, alanine, betaine, creatinine, uracil, and benzoate. The 16S rRNA gene sequencing results showed that OP restored the gut microbiome homeostasis by increasing the abundance of beneficial bacteria and reducing the abundance of pathogenic bacteria. Finally, a combination of metabolomics and microbiomics found that the metabolism of taurine and hypotaurine, and the metabolism of alanine, aspartate, and glutamate were disturbed, but these metabolic pathways were restored by OP. CONCLUSION This study demonstrated that OP had immunoprotective effects in rats with cyclophosphamide-induced immunosuppression by restoring key metabolic pathways and the gut microbiome homeostasis. Our findings provide a framework for further research into the immunoregulatory mechanisms of OP and its potential use in drugs and nutritional supplements. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Ying He
- First clinical medical college, Guangxi Medical University, Nanning, China
| | - Yunyuan Nong
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Junliang Qin
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Linlin Feng
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Jinghua Qin
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Qianyi Wang
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Lijun Deng
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Siqi Tang
- First clinical medical college, Guangxi Medical University, Nanning, China
| | - Meiling Zhang
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Xiaofeng Fan
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Min Dong
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Jinbin Wei
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Shihan Pan
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Zhiheng Su
- Pharmaceutical College, Guangxi Medical University, Nanning, China
- Guangxi Key Laboratory of Bioactive Molecules Research and Evaluation, Nanning, China
- Guangxi Beibu Gulf Marine Biomedicine Precision Development and High-value Utilization Engineering Research Center, Nanning, China
- Guangxi Health Commission Key Laboratory of Basic Research on Antigeriatric Drugs, Nanning, China
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Fu J, Gu J, Bao Z, Zhou Y, Hu H, Yang C, Wu R, Liu H, Qin L, Xu H, Li J, Guo H, Wang L, Zhou Y, Wang X, Li G. 2,5-Dihydroxyterephthalic Acid: A Matrix for Improved Detection and Imaging of Amino Acids. Anal Chem 2023; 95:18709-18718. [PMID: 38018128 DOI: 10.1021/acs.analchem.3c01731] [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: 11/30/2023]
Abstract
Amino acids (AAs), which are low-molecular-weight (low-MW) metabolites, serve as essential building blocks not only for protein synthesis but also for maintaining the nitrogen balance in living systems. In situ detection and imaging of AAs are crucial for understanding more complex biological processes. Matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI) is a label-free mass spectrometric imaging technique that enables the simultaneous detection and imaging of the spatial distribution and relative abundance of different endogenous/exogenous compounds in biological samples. The excellent efficiency of MALDI-MSI is attributed to the choice of the MALDI matrix. However, to the best of our knowledge, no matrix has been specifically developed for AAs. Herein, we report a MALDI matrix, 2,5-dihydroxyterephthalic acid (DHT), which can improve the detection and imaging of AAs in biological samples by MALDI-MS. Our results indicated that DHT exhibited strong ultraviolet-visible (UV-vis) absorption, uniform matrix deposition, and high vacuum stability. Moreover, the matrix-related ion signals produced from DHT were reduced by 50 and 71.8% at m/z < 500 compared to the commonly used matrices of 2,5-dihydroxybenzoic acid (DHB) and α-cyano-4-hydroxycinnamic acid (CHCA), respectively, in their respective organic solvents. In terms of quantitative performance, arginine, glutamic acid, glutamine, and proline can be detected with limits of detection of 6, 4, 6, and 4 ng/mL, respectively, using the DHT as the matrix. Using DHT as the matrix, all 20 protein AAs were successfully detected in human serum by MALDI-MS, whereas only 7 and 10 AAs were detected when DHB and CHCA matrices were used, respectively. Furthermore, 20 protein AAs and taurine were successfully detected and imaged in a section of edible Crassostrea gigas (oyster) tissue for the first time. Our study demonstrates that using DHT as a matrix can improve the detection and imaging of AAs in biological samples by MALDI-MS.
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Affiliation(s)
- Jinxiang Fu
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics (Minzu University of China), State Ethnic Affairs Commission, Beijing 100081, China
- Centre for Imaging & Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Jianchi Gu
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics (Minzu University of China), State Ethnic Affairs Commission, Beijing 100081, China
- Centre for Imaging & Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Zhibin Bao
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics (Minzu University of China), State Ethnic Affairs Commission, Beijing 100081, China
- Centre for Imaging & Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Yunpeng Zhou
- General Surgery Department, Shanxi Bethune Hospital, Taiyuan 030032, China
| | - Hao Hu
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics (Minzu University of China), State Ethnic Affairs Commission, Beijing 100081, China
- Centre for Imaging & Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Chenyu Yang
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics (Minzu University of China), State Ethnic Affairs Commission, Beijing 100081, China
- Centre for Imaging & Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Ran Wu
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics (Minzu University of China), State Ethnic Affairs Commission, Beijing 100081, China
- Centre for Imaging & Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Haiqiang Liu
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics (Minzu University of China), State Ethnic Affairs Commission, Beijing 100081, China
- Centre for Imaging & Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Liang Qin
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics (Minzu University of China), State Ethnic Affairs Commission, Beijing 100081, China
- Centre for Imaging & Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Hualei Xu
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics (Minzu University of China), State Ethnic Affairs Commission, Beijing 100081, China
- Centre for Imaging & Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Jinrong Li
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics (Minzu University of China), State Ethnic Affairs Commission, Beijing 100081, China
- Centre for Imaging & Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Hua Guo
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics (Minzu University of China), State Ethnic Affairs Commission, Beijing 100081, China
- Centre for Imaging & Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Lei Wang
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics (Minzu University of China), State Ethnic Affairs Commission, Beijing 100081, China
- Centre for Imaging & Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Yijun Zhou
- Centre for Imaging & Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Xiaodong Wang
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics (Minzu University of China), State Ethnic Affairs Commission, Beijing 100081, China
- Centre for Imaging & Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Gaopeng Li
- General Surgery Department, Shanxi Bethune Hospital, Taiyuan 030032, China
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Du M, Jiang Z, Wang C, Wei C, Li Q, Cong R, Wang W, Zhang G, Li L. Genome-Wide Association Analysis of Heat Tolerance in F 2 Progeny from the Hybridization between Two Congeneric Oyster Species. Int J Mol Sci 2023; 25:125. [PMID: 38203295 PMCID: PMC10778899 DOI: 10.3390/ijms25010125] [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: 11/23/2023] [Revised: 12/13/2023] [Accepted: 12/17/2023] [Indexed: 01/12/2024] Open
Abstract
As the world's largest farmed marine animal, oysters have enormous economic and ecological value. However, mass summer mortality caused by high temperature poses a significant threat to the oyster industry. To investigate the molecular mechanisms underlying heat adaptation and improve the heat tolerance ability in the oyster, we conducted genome-wide association analysis (GWAS) analysis on the F2 generation derived from the hybridization of relatively heat-tolerant Crassostrea angulata ♀ and heat-sensitive Crassostrea gigas ♂, which are the dominant cultured species in southern and northern China, respectively. Acute heat stress experiment (semi-lethal temperature 42 °C) demonstrated that the F2 population showed differentiation in heat tolerance, leading to extremely differentiated individuals (approximately 20% of individuals die within the first four days with 10% survival after 14 days). Genome resequencing and GWAS of the two divergent groups had identified 18 significant SNPs associated with heat tolerance, with 26 candidate genes located near these SNPs. Eleven candidate genes that may associate with the thermal resistance were identified, which were classified into five categories: temperature sensor (Trpm2), transcriptional factor (Gata3), protein ubiquitination (Ube2h, Usp50, Uchl3), heat shock subfamily (Dnajc17, Dnaja1), and transporters (Slc16a9, Slc16a14, Slc16a9, Slc16a2). The expressional differentiation of the above genes between C. gigas and C. angulata under sublethal temperature (37 °C) further supports their crucial role in coping with high temperature. Our results will contribute to understanding the molecular mechanisms underlying heat tolerance, and provide genetic markers for heat-resistance breeding in the oyster industry.
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Affiliation(s)
- Mingyang Du
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (M.D.); (Z.J.); (C.W.); (C.W.); (Q.L.); (R.C.); (W.W.); (G.Z.)
- Laboratory for Marine Biology and Biotechnology, Laoshan Laboratory, Qingdao 266100, China
- University of Chinese Academy of Sciences, Beijing 101408, China
| | - Zhuxiang Jiang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (M.D.); (Z.J.); (C.W.); (C.W.); (Q.L.); (R.C.); (W.W.); (G.Z.)
- Laboratory for Marine Biology and Biotechnology, Laoshan Laboratory, Qingdao 266100, China
- University of Chinese Academy of Sciences, Beijing 101408, China
| | - Chaogang Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (M.D.); (Z.J.); (C.W.); (C.W.); (Q.L.); (R.C.); (W.W.); (G.Z.)
- Laboratory for Marine Biology and Biotechnology, Laoshan Laboratory, Qingdao 266100, China
- University of Chinese Academy of Sciences, Beijing 101408, China
| | - Chenchen Wei
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (M.D.); (Z.J.); (C.W.); (C.W.); (Q.L.); (R.C.); (W.W.); (G.Z.)
- Laboratory for Marine Biology and Biotechnology, Laoshan Laboratory, Qingdao 266100, China
| | - Qingyuan Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (M.D.); (Z.J.); (C.W.); (C.W.); (Q.L.); (R.C.); (W.W.); (G.Z.)
- Laboratory for Marine Biology and Biotechnology, Laoshan Laboratory, Qingdao 266100, China
- University of Chinese Academy of Sciences, Beijing 101408, China
| | - Rihao Cong
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (M.D.); (Z.J.); (C.W.); (C.W.); (Q.L.); (R.C.); (W.W.); (G.Z.)
- Laboratory for Marine Biology and Biotechnology, Laoshan Laboratory, Qingdao 266100, China
- National and Local Joint Engineering Laboratory of Ecological Mariculture, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Wei Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (M.D.); (Z.J.); (C.W.); (C.W.); (Q.L.); (R.C.); (W.W.); (G.Z.)
- National and Local Joint Engineering Laboratory of Ecological Mariculture, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Laoshan Laboratory, Qingdao 266100, China
| | - Guofan Zhang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (M.D.); (Z.J.); (C.W.); (C.W.); (Q.L.); (R.C.); (W.W.); (G.Z.)
- Laboratory for Marine Biology and Biotechnology, Laoshan Laboratory, Qingdao 266100, China
- National and Local Joint Engineering Laboratory of Ecological Mariculture, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Institute of Hydrobiology, Wuhan 430072, China
| | - Li Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (M.D.); (Z.J.); (C.W.); (C.W.); (Q.L.); (R.C.); (W.W.); (G.Z.)
- University of Chinese Academy of Sciences, Beijing 101408, China
- National and Local Joint Engineering Laboratory of Ecological Mariculture, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Laoshan Laboratory, Qingdao 266100, China
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Institute of Hydrobiology, Wuhan 430072, China
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Ulagesan S, Park SJ, Nam TJ, Choi YH. Antioxidant and protective effects of a peptide (VTAL) derived from simulated gastrointestinal digestion of protein hydrolysates of Magallana gigas against acetaminophen-induced HepG2 cells. FISHERIES SCIENCE : FS 2022; 89:71-81. [PMID: 36465482 PMCID: PMC9707094 DOI: 10.1007/s12562-022-01639-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/26/2022] [Indexed: 06/17/2023]
Abstract
Oxidative stress is an automatic mechanism responsible for the commencement and continuance of liver injury. In this study, an antioxidative peptide Val-Thr-Ala-Leu (VTAL) was purified from simulated gastrointestinal digestion of protein hydrolysates of the triploid oyster Magallana gigas. Significant antioxidant activity was identified, as well as a protective effect against acetaminophen (APAP)-induced human liver cancer (HepG2) cells. The results suggested that the antioxidant activity improved in a dose-dependent manner. The highest cell viability (88.105 ± 3.62%) was observed in 15 mM APAP-induced cells when treated with 25 μg/mL M. gigas peptide [M.g (pep)]. The peptide sequences include hydrophobic amino acids, which could be responsible for its chemoprotective and antioxidant activities. Treatment with M.g (pep) significantly promoted the proliferation of HepG2 cells, thus protecting them against APAP and imbuing them with significant antioxidant capacity. M.g (pep) could be beneficial for treating drug-induced oxidative stress and liver damage. Additionally, M.g (pep) could serve as an alternative to synthetic antioxidant drugs.
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Affiliation(s)
- Selvakumari Ulagesan
- Division of Fisheries Life Sciences, Pukyong National University, Nam-gu, Busan, 48513 Republic of Korea
| | - Su-Jin Park
- Department of Fisheries Biology, Pukyong National University, Nam-gu, Busan, 48513 Republic of Korea
| | - Taek-Jeong Nam
- Institute of Fisheries Sciences, Pukyong National University, Gijang-gun, Busan, 46041 Republic of Korea
| | - Youn-Hee Choi
- Division of Fisheries Life Sciences, Pukyong National University, Nam-gu, Busan, 48513 Republic of Korea
- Department of Fisheries Biology, Pukyong National University, Nam-gu, Busan, 48513 Republic of Korea
- Institute of Fisheries Sciences, Pukyong National University, Gijang-gun, Busan, 46041 Republic of Korea
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Bioinformatics identification and molecular mechanism of angiotensin-converting enzyme and dipeptidyl peptidase-IV inhibitory peptides from in silico digest of Crassostrea gigas. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01548-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Ulagesan S, Krishnan S, Nam TJ, Choi YH. A Review of Bioactive Compounds in Oyster Shell and Tissues. Front Bioeng Biotechnol 2022; 10:913839. [PMID: 35733526 PMCID: PMC9208005 DOI: 10.3389/fbioe.2022.913839] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 04/25/2022] [Indexed: 12/15/2022] Open
Abstract
Oysters are saltwater bivalves with high nutritional and medicinal value that are consumed widely around the world. As well as being highly nutritious, oysters are a low-calorie, low-cholesterol source of protein and an exceptional source of zinc, which strengthens the immune system; and a rich source of bioactive compounds, which comprise various biological activities. The present review summarizes the biological applications and bioactive compounds from oyster shells, whole tissue, gill tissue, and mantle tissue. The various biological compounds present in an oyster shell, and their chemical constituents, have applications in the food, pharmaceutical, and medical industries. Bioactive peptides and proteins obtained from the whole, mantle, and gill tissues of oysters exhibit antioxidant, antimicrobial, antihypertensive, anticancer, antifatigue, anticoagulant, and anti-wrinkle effects, as well as enhance osteoblast differentiation. This review clearly shows that oysters have great potential for functional food production and that various compounds therein can have pharmaceutical applications.
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Affiliation(s)
- Selvakumari Ulagesan
- Division of Fisheries Life Sciences, Pukyong National University, Busan, South Korea
| | - Sathish Krishnan
- School of Earth, Ocean, and Atmospheric Sciences, Goa University, Taleigao, India
| | - Taek-Jeong Nam
- Institute of Fisheries Sciences, Pukyong National University, Busan, South Korea
| | - Youn-Hee Choi
- Division of Fisheries Life Sciences, Pukyong National University, Busan, South Korea
- Institute of Fisheries Sciences, Pukyong National University, Busan, South Korea
- *Correspondence: Youn-Hee Choi,
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