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Gu L, Zhu Q, Zou X, Song R. Antibacterial Effect of Shrimp By-Products Hydrolysate on Specific Spoilage Organisms of Squid. Molecules 2023; 28:molecules28104105. [PMID: 37241846 DOI: 10.3390/molecules28104105] [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: 03/26/2023] [Revised: 05/06/2023] [Accepted: 05/11/2023] [Indexed: 05/28/2023] Open
Abstract
In order to further develop and utilize shrimp processing by-products, in this study, a novel antibacterial hydrolysate of shrimp by-products by pepsin hydrolysis (SPH) was prepared. The antibacterial effect of SPH on specific spoilage organisms of squid after end storage at room temperature (SE-SSOs) was investigated. SPH showed an antibacterial effect on the growth of SE-SSOs, with (23.4 ± 0.2) mm of inhibition zone diameter. The cell permeability of SE-SSOs was enhanced after SPH treatment for 12 h. Some bacteria were twisted and shrunk, while pits and pores formed and intracellular contents leaked under scanning electron microscopy observation. The flora diversity of SE-SSOs treated with SPH was determined by a 16S rDNA sequencing technique. Results showed that SE-SSOs were mainly composed of the phyla of Firmicutes and Proteobacteria, among which Paraclostridium (47.29%) and Enterobacter (38.35%) were dominant genera. SPH treatment resulted in a significant reduction in the relative abundance of the genus Paraclostridium and increased the abundance of Enterococcus. Linear discriminant analysis (LDA) of LEfSe conveyed that SPH treatment had a significant impact on altering the bacterial structure of SE-SSOs. The 16S PICRUSt of Cluster of Orthologous Group (COG) annotation revealed that SPH treatment for 12 h could significantly increase the function of transcription level [K], while SPH treatment for 24 h could downregulate post-translational modifications, protein turnover, and chaperone metabolism functions [O]. In conclusion, SPH has a proper antibacterial effect on SE-SSOs and can change the flora structure of SE-SSOs. These findings will provide a technical basis for the development of inhibitors of squid SSOs.
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Affiliation(s)
- Luo Gu
- Key Laboratory of Health Risk Factors for Seafood of Zhejiang Province, School of Food Science and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China
| | - Qiuyu Zhu
- Key Laboratory of Health Risk Factors for Seafood of Zhejiang Province, School of Food Science and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China
| | - Xiaoyu Zou
- Key Laboratory of Health Risk Factors for Seafood of Zhejiang Province, School of Food Science and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China
| | - Ru Song
- Key Laboratory of Health Risk Factors for Seafood of Zhejiang Province, School of Food Science and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China
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Anti-Tumoral Effect of Chemerin on Ovarian Cancer Cell Lines Mediated by Activation of Interferon Alpha Response. Cancers (Basel) 2022; 14:cancers14174108. [PMID: 36077645 PMCID: PMC9454566 DOI: 10.3390/cancers14174108] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 07/13/2022] [Accepted: 08/22/2022] [Indexed: 11/26/2022] Open
Abstract
Simple Summary Chemerin is a multifunctional protein with an important role in the immune system. Recent evidence showed that chemerin also regulates the development of cancer. Ovarian cancer is a common type of tumor in women. In this study, we observed that chemerin decreases the growth of ovarian cancer cell lines in vitro when cultivated in standard cell culture or in globular multicellular aggregates. When we examined the mechanisms involved in this process, we found that treatment of ovarian cancer cells with chemerin led to the activation of genes that are known to mediate the effects of interferon alpha (IFNα). The main effect of IFNα is to defend body cells against viral infections, but it is also able to defeat cancer cells. We observed that this activation of IFNα response by chemerin resulted from the increased production of IFNα protein in ovarian cancer cells, which then reduced cancer cells numbers. However, it remains to be investigated how exactly chemerin might be able to activate interferon alpha and its anti-tumoral actions. Abstract The pleiotropic adipokine chemerin affects tumor growth primarily as anti-tumoral chemoattractant inducing immunocyte recruitment. However, little is known about its effect on ovarian adenocarcinoma. In this study, we examined chemerin actions on ovarian cancer cell lines in vitro and intended to elucidate involved cell signaling mechanisms. Employing three ovarian cancer cell lines, we observed differentially pronounced effects of this adipokine. Treatment with chemerin (huChem-157) significantly reduced OVCAR-3 cell numbers (by 40.8% on day 6) and decreased the colony and spheroid growth of these cells by half. The spheroid size of SK-OV-3 ovarian cancer cells was also significantly reduced upon treatment. Transcriptome analyses of chemerin-treated cells revealed the most notably induced genes to be interferon alpha (IFNα)-response genes like IFI27, OAS1 and IFIT1 and their upstream regulator IRF9 in all cell lines tested. Finally, we found this adipokine to elevate IFNα levels about fourfold in culture medium of the employed cell lines. In conclusion, our data for the first time demonstrate IFNα as a mediator of chemerin action in vitro. The observed anti-tumoral effect of chemerin on ovarian cancer cells in vitro was mediated by the notable activation of IFNα response genes, resulting from the chemerin-triggered increase of secreted levels of this cytokine.
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Doulgkeroglou MN, Di Nubila A, Niessing B, König N, Schmitt RH, Damen J, Szilvassy SJ, Chang W, Csontos L, Louis S, Kugelmeier P, Ronfard V, Bayon Y, Zeugolis DI. Automation, Monitoring, and Standardization of Cell Product Manufacturing. Front Bioeng Biotechnol 2020; 8:811. [PMID: 32766229 PMCID: PMC7381146 DOI: 10.3389/fbioe.2020.00811] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 06/23/2020] [Indexed: 12/18/2022] Open
Abstract
Although regenerative medicine products are at the forefront of scientific research, technological innovation, and clinical translation, their reproducibility and large-scale production are compromised by automation, monitoring, and standardization issues. To overcome these limitations, new technologies at software (e.g., algorithms and artificial intelligence models, combined with imaging software and machine learning techniques) and hardware (e.g., automated liquid handling, automated cell expansion bioreactor systems, automated colony-forming unit counting and characterization units, and scalable cell culture plates) level are under intense investigation. Automation, monitoring and standardization should be considered at the early stages of the developmental cycle of cell products to deliver more robust and effective therapies and treatment plans to the bedside, reducing healthcare expenditure and improving services and patient care.
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Affiliation(s)
- Meletios-Nikolaos Doulgkeroglou
- Regenerative, Modular & Developmental Engineering Laboratory, National University of Ireland Galway, Galway, Ireland.,Science Foundation Ireland, Centre for Research in Medical Devices, National University of Ireland Galway, Galway, Ireland
| | - Alessia Di Nubila
- Regenerative, Modular & Developmental Engineering Laboratory, National University of Ireland Galway, Galway, Ireland.,Science Foundation Ireland, Centre for Research in Medical Devices, National University of Ireland Galway, Galway, Ireland
| | | | - Niels König
- Fraunhofer Institute for Production Technology, Aachen, Germany
| | - Robert H Schmitt
- Production Engineering Cluster, RWTH Aachen University, Aachen, Germany
| | - Jackie Damen
- STEMCELL Technologies Inc., Vancouver, BC, Canada
| | | | - Wing Chang
- STEMCELL Technologies Ltd., Cambridge, United Kingdom
| | - Lynn Csontos
- STEMCELL Technologies Ltd., Cambridge, United Kingdom
| | - Sharon Louis
- STEMCELL Technologies Inc., Vancouver, BC, Canada
| | | | - Vincent Ronfard
- College System of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX, United States.,Cutiss AG, Zurich, Switzerland.,HairClone, Manchester, United Kingdom
| | - Yves Bayon
- Medtronic - Sofradim Production, Trévoux, France
| | - Dimitrios I Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory, National University of Ireland Galway, Galway, Ireland.,Science Foundation Ireland, Centre for Research in Medical Devices, National University of Ireland Galway, Galway, Ireland
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