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Liu H, Liu W, Ai M, Hao X, Zhang Q, Ren J, Zhang K. Effects of β-mannanase supplementation on productive performance, inflammation, energy metabolism, and cecum microbiota composition of laying hens fed with reduced-energy diets. Poult Sci 2024; 103:103521. [PMID: 38367470 PMCID: PMC10882124 DOI: 10.1016/j.psj.2024.103521] [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: 11/07/2023] [Revised: 01/25/2024] [Accepted: 01/26/2024] [Indexed: 02/19/2024] Open
Abstract
The objective of this study is to investigate the beneficial effects and underlying mechanism of dietary β-mannanase supplementation on the productive performance of laying hens fed with metabolic energy (ME)-reduced diets. A total of 448 Hy-Line gray laying hens were randomly assigned to seven groups. Each group had 8 replicates with 8 hens. The groups included a control diet (CON) with a ME of 2750 kcal/Kg, diets reduced by 100 kcal/Kg or 200 kcal/Kg ME (ME_100 or ME_200), and diets with 0.15 g/Kg or 0.2 g/Kg β-mannanase (ME_100+β-M_0.15, ME_100+β-M_0.2, ME_200+β-M_0.15, and ME_200+β-M_0.2). The productive performance, egg quality, intestinal morphology, inflammatory response, mRNA expression related to the Nuclear factor kappa B (NF-κB) and AMPK pathway, and cecum microbiome were evaluated in this study. ME-reduced diets negatively impacted the productive performance of laying hens. However, supplementation with β-mannanase improved FCR, decreased ADFI, and restored average egg weight to the level of the CON group. ME-reduced diets increased the levels of interleukin-1β (IL-1β) and IL-6 while decreasing the levels of IL-4 and IL-10 in the jejunum of laying hens. However, dietary β-mannanase supplementation improved jejunum morphology, reduced pro-inflammatory cytokine concentrations, and increased levels of anti-inflammatory factors in laying hens fed with ME-reduced diets. The mRNA levels of IL-6, IFN-γ, TLR4, MyD88, and NF-κB in the jejunum of ME-reduced diets were significantly higher than that in CON, dietary β-mannanase supplementation decreased these genes expression in laying hens fed with ME-reduced diets. Moreover, dietary β-mannanase supplementation also decreased the mRNA levels of AMPKα and AMPKγ, and increased the abundance of mTOR in the jejunum of laying hens fed with ME-reduced diets. Cecum microbiota analysis revealed that dietary β-mannanase increased the abundance of various beneficial bacteria (e.g., g_Pseudoflavonifractor, g_Butyricicoccus, and f_Lactobacillaceae) in laying hens fed with ME-reduced diets. In conclusion, dietary β-mannanase supplementation could improve the productive performance of laying hens fed with a ME-reduced diet by improving intestinal morphology, alleviating intestinal inflammation, changing energy metabolism-related signaling pathways, and increasing cecum-beneficial microbiota.
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Affiliation(s)
- Huawei Liu
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Weiyong Liu
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Mingming Ai
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Xiaojing Hao
- Qingdao Animal Husbandry Workstation (Qingdao Research Institute of Husbandry and Veterinary), Qingdao 266100, China
| | - Qian Zhang
- Qingdao Animal Husbandry Workstation (Qingdao Research Institute of Husbandry and Veterinary), Qingdao 266100, China
| | - Jingle Ren
- Qingdao Animal Husbandry Workstation (Qingdao Research Institute of Husbandry and Veterinary), Qingdao 266100, China
| | - Kai Zhang
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China.
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Hegazi N, Khattab AR, Saad HH, Abib B, Farag MA. A multiplex metabolomic approach for quality control of Spirulina supplement and its allied microalgae (Amphora & Chlorella) assisted by chemometrics and molecular networking. Sci Rep 2024; 14:2809. [PMID: 38307932 PMCID: PMC10837195 DOI: 10.1038/s41598-024-53219-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 01/30/2024] [Indexed: 02/04/2024] Open
Abstract
Microalgae species are of economic importance regarded as "green gold" being rich in bioactive compounds. Spirulina and Chlorella are the most popular microalgal species and are marketed as healthy food supplements. At the same time, Amphora holds potential as a source of healthy lipids and essential fatty acids. Yet, there are considerable variations in their reported chemical composition, and less is known about their compositional differences. A multiplexed metabolomic approach was adopted for the quality control (QC) of Spirulina supplements and to compare its constitutive metabolome to Chlorella and Amphora. The adopted protocol comprised gas chromatography-mass spectrometry (GC-MS), ultra-high performance liquid chromatography coupled with high-resolution tandem mass spectrometry (UPLC-HRMS/MS), and ultraviolet-visible spectrophotometry (UV/Vis) for mapping their primary and secondary metabolome. Interestingly, UPLC-HRMS/MS analysis delineated the abundance of fatty acids in Amphora versus glycolipids enrichment in Spirulina, and porphyrins were the main pigments identified in Spirulina, with scarce occurrence in Chlorella. Orthogonal projections to latent structures discriminant analysis (OPLS-DA) analysis of GC-MS data set revealed palmitic acid, 3-mannobiose, and glyceryl-glycoside as being most enriched in Spirulina, versus sucrose and leucine in Chlorella and Amphora, respectively. Despite being of low discriminatory potential, UV/Vis OPLS-DA modeling showed that Spirulina was distinguished with the UV absorbances of carotenoids and chlorophyll pigments, as indicated by its OPLS-DA derived S-plot. Our study provides a QC approach for the analysis of the microalgal species and poses alternative spectral and compositional markers for their discrimination.
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Affiliation(s)
- Nesrine Hegazi
- Department of Phytochemistry and Plant Systematics, National Research Centre, Dokki, 12622, Cairo, Egypt.
| | - Amira R Khattab
- Pharmacognosy Department, College of Pharmacy, Arab Academy for Science, Technology and Maritime Transport, Alexandria, 1029, Egypt
| | - Hamada H Saad
- Department of Phytochemistry and Plant Systematics, National Research Centre, Dokki, 12622, Cairo, Egypt
| | - Bishoy Abib
- Chemistry Department, American University in Cairo, Cairo, Egypt
| | - Mohamed A Farag
- Pharmacognosy Department, College of Pharmacy, Cairo University, Kasr El Aini St., P.B. 11562, Cairo, Egypt.
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Laumonnier Y, Korkmaz RÜ, Nowacka AA, Köhl J. Complement-mediated immune mechanisms in allergy. Eur J Immunol 2023; 53:e2249979. [PMID: 37381711 DOI: 10.1002/eji.202249979] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 06/27/2023] [Accepted: 06/27/2023] [Indexed: 06/30/2023]
Abstract
Allergic conditions are associated with canonical and noncanonical activation of the complement system leading to the release of several bioactive mediators with inflammatory and immunoregulatory properties that regulate the immune response in response to allergens during the sensitization and/or the effector phase of allergic diseases. Further, immune sensors of complement and regulator proteins of the cascade impact on the development of allergies. These bioactive mediators comprise the small and large cleavage fragments of C3 and C5. Here, we provide an update on the multiple roles of immune sensors, regulators, and bioactive mediators of complement in allergic airway diseases, food allergies, and anaphylaxis. A particular emphasis is on the anaphylatoxins C3a and C5a and their receptors, which are expressed on many of the effector cells in allergy such as mast cells, eosinophils, basophils, macrophages, and neutrophils. Also, we will discuss the multiple pathways, by which the anaphylatoxins initiate and control the development of maladaptive type 2 immunity including their impact on innate lymphoid cell recruitment and activation. Finally, we briefly comment on the potential to therapeutically target the complement system in different allergic conditions.
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Affiliation(s)
- Yves Laumonnier
- Institute for Systemic Inflammation Research, University of Lübeck, Lübeck, Germany
- Institute for Nutritional Medicine, University of Lübeck, Lübeck, Germany
- Airway Research Center North, Member of the German Center for Lung Research (DZL), Lübeck, Germany
| | - Rabia Ülkü Korkmaz
- Institute for Systemic Inflammation Research, University of Lübeck, Lübeck, Germany
| | - Alicja A Nowacka
- Institute for Systemic Inflammation Research, University of Lübeck, Lübeck, Germany
| | - Jörg Köhl
- Institute for Systemic Inflammation Research, University of Lübeck, Lübeck, Germany
- Airway Research Center North, Member of the German Center for Lung Research (DZL), Lübeck, Germany
- Division of Immunobiology, Cincinnati Children's Hospital Medical Center and University of Cincinnati College of Medicine, USA
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Rana M, Jassal S, Yadav R, Sharma A, Puri N, Mazumder K, Gupta N. Functional β-mannooligosaccharides: Sources, enzymatic production and application as prebiotics. Crit Rev Food Sci Nutr 2023:1-18. [PMID: 37335120 DOI: 10.1080/10408398.2023.2222165] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
One of the emerging non-digestible oligosaccharide prebiotics is β-mannooligosaccharides (β-MOS). β-MOS are β-mannan derived oligosaccharides, they are selectively fermented by gut microbiota, promoting the growth of beneficial microorganisms (probiotics), whereas the growth of enteric pathogens remains unaffected or gets inhibited in their presence, along with production of metabolites such as short-chain fatty acids. β-MOS also exhibit several other bioactive properties and health-promoting effects. Production of β-MOS using the enzymes such as β-mannanases is the most effective and eco-friendly approach. For the application of β-MOS on a large scale, their production needs to be standardized using low-cost substrates, efficient enzymes and optimization of the production conditions. Moreover, for their application, detailed in-vivo and clinical studies are required. For this, a thorough information of various studies in this regard is needed. The current review provides a comprehensive account of the enzymatic production of β-MOS along with an evaluation of their prebiotic and other bioactive properties. Their characterization, structural-functional relationship and in-vivo studies have also been summarized. Research gaps and future prospects have also been discussed, which will help in conducting further research for the commercialization of β-MOS as prebiotics, functional food ingredients and therapeutic agents.
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Affiliation(s)
- Monika Rana
- Department of Microbiology, Panjab University, Chandigarh, India
| | - Sunena Jassal
- Department of Microbiology, Panjab University, Chandigarh, India
| | - Richa Yadav
- Department of Microbiology, Panjab University, Chandigarh, India
| | - Anupama Sharma
- Department of Microbiology, Panjab University, Chandigarh, India
| | - Neena Puri
- Department of Industrial Microbiology, Guru Nanak Khalsa College, Yamunanagar, Haryana, India
| | - Koushik Mazumder
- Food & Nutritional Biotechnology, National Agri-Food Biotechnology Institute, Mohali, Punjab, India
| | - Naveen Gupta
- Department of Microbiology, Panjab University, Chandigarh, India
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Advances in Prebiotic Mannooligosaccharides. Curr Opin Food Sci 2022. [DOI: 10.1016/j.cofs.2022.100883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Ren Z, Yu Y, Chen C, Yang D, Ding T, Zhu L, Deng J, Xu Z. The Triangle Relationship Between Long Noncoding RNA, RIG-I-like Receptor Signaling Pathway, and Glycolysis. Front Microbiol 2021; 12:807737. [PMID: 34917069 PMCID: PMC8670088 DOI: 10.3389/fmicb.2021.807737] [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: 11/02/2021] [Accepted: 11/09/2021] [Indexed: 12/11/2022] Open
Abstract
Long noncoding RNA (LncRNA), a noncoding RNA over 200nt in length, can regulate glycolysis through metabolic pathways, glucose metabolizing enzymes, and epigenetic reprogramming. Upon viral infection, increased aerobic glycolysis providzes material and energy for viral replication. Mitochondrial antiviral signaling protein (MAVS) is the only protein-specified downstream of retinoic acid-inducible gene I (RIG-I) that bridges the gap between antiviral immunity and glycolysis. MAVS binding to RIG-I inhibits MAVS binding to Hexokinase (HK2), thereby impairing glycolysis, while excess lactate production inhibits MAVS and the downstream antiviral immune response, facilitating viral replication. LncRNAs can also regulate antiviral innate immunity by interacting with RIG-I and downstream signaling pathways and by regulating the expression of interferons and interferon-stimulated genes (ISGs). Altogether, we summarize the relationship between glycolysis, antiviral immunity, and lncRNAs and propose that lncRNAs interact with glycolysis and antiviral pathways, providing a new perspective for the future treatment against virus infection, including SARS-CoV-2.
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Affiliation(s)
- Zhihua Ren
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Yueru Yu
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Chaoxi Chen
- College of Life Since and Technology, Southwest Minzu University, Chengdu, China
| | - Dingyong Yang
- College of Animal Husbandry and Veterinary Medicine, Chengdu Agricultural College, Chengdu, China
| | - Ting Ding
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Ling Zhu
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Junliang Deng
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Zhiwen Xu
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
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