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Zhong J, He Y, Zhao Q, Luo H, Zhang Q, Tian Y, Liu Y, Yang C, Yin Y, Yu L, Pan L, Tan B. Low-Dose LPS Modulates Microglia/Macrophages Phenotypic Transformation to Amplify Rehabilitation Effects in Chronic Spinal Cord Injured (CSCI) Mice. Mol Neurobiol 2024; 61:6484-6500. [PMID: 38311654 DOI: 10.1007/s12035-024-03979-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 01/20/2024] [Indexed: 02/06/2024]
Abstract
Spinal cord injury (SCI) results in stalled motor function recovery under the chronic phase. One of the reasons due to the presence of ongoing inflammation. Therefore, regulating the status of immune cells may help reopen the window for neural repair, which represents a potential therapeutic target. In this study, we aimed to investigate whether this could be achieved in mice with cervical 5 crush CSCI (4 W) by utilizing a concentration of 0.5 mg/kg of lipopolysaccharide (LPS) to stimulate microglia/macrophages. Additionally, the mice underwent rehabilitation training for another 6 weeks. Our results showed that systemic injection of LPS enhanced the effects of forelimb rehabilitation training, as evaluated through single pellet grasping (SPG). Electrophysiological studies revealed the restoration of cortical drive to the injured side's forelimb muscles in the training combined with LPS group. Tract tracing studies demonstrated the reconstruction of cortical innervation to the cervical spinal cord. Furthermore, the levels of pro-inflammatory phenotype markers, such as inducible nitric oxide synthase (INOS) and CD68, decreased, while the expression of anti-inflammatory phenotype markers, including arginase 1 (ARG-1) and CD206, increased. Importantly, this phenotypic switch in microglia/macrophages was accompanied by an increase in phagocytic activity markers as indicated by BODIPY + IBA1 + staining. Collectively, our data suggests that low-dose LPS improves the effects of rehabilitation training by regulating the phenotypic transformation of microglia/macrophages in CSCI. This study provides a fresh perspective and intervention direction for the clinical treatment of chronic spinal cord injuries.
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Affiliation(s)
- Juan Zhong
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Yingxi He
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Qin Zhao
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Haodong Luo
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Qing Zhang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Yu Tian
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Yuan Liu
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Special War Wound, Daping Hospital, Army Medical University, Chongqing, 400042, China
| | - Ce Yang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Special War Wound, Daping Hospital, Army Medical University, Chongqing, 400042, China
| | - Ying Yin
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Lehua Yu
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Lu Pan
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China.
| | - Botao Tan
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China.
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Hu X, Lin H, Qian S, Xu Z, Li Z, Qian S, Yang F, Hou H, Xie Q, Wu W, Hu C, Abou-Elnour A, He Y, Huang Y. A novel experimental mouse model of diabetic nonalcoholic steatohepatitis: A critical role for acid-sensitive Ion Channel 1a. Biomed Pharmacother 2024; 178:117184. [PMID: 39142252 DOI: 10.1016/j.biopha.2024.117184] [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: 06/02/2024] [Revised: 07/17/2024] [Accepted: 07/22/2024] [Indexed: 08/16/2024] Open
Abstract
BACKGROUND A two-way relationship exists between type 2 diabetes (T2DM) and human nonalcoholic steatohepatitis (NASH). Several diabetic NASH models have the disadvantages of long cycles or inconsistent with the actual incidence of human disease, which would be costly and time-consuming to investigate disease pathogenesis and develop drugs. Therefore, there is an urgent need to establish a diabetic NASH mouse model. METHODS The combination between Fructose-palmitate-cholesterol diet (FPC) and Streptozotocin (STZ) (FPC+STZ) was used to construct diabetic NASH mouse model. The in vivo effects of silencing acid-sensitive Ion Channel 1a (ASIC1a) were examined with an adeno-associated virus 9 (AAV9) carrying ASIC1a short hairpin RNA (shRNA) in FPC+STZ model. RESULTS The mice fed with FPC for 12 weeks had insulin resistance, hyperinsulinemia, lipid accumulation, and increased hepatic levels of inflammatory factors. However, it still did not develop remarkable liver fibrosis. Most interestingly, noticeable fibrotic scars were observed in the liver of mice from FPC+STZ group. Furthermore, insulin therapy significantly ameliorated FPC+STZ-induced NASH-related liver fibrosis, indicating that hyperglycemia is of great significance in NASH development and progression. Importantly, ASIC1a was found to be involved in the pathogenesis of diabetic NASH as demonstrated that silencing ASIC1a in HSCs significantly ameliorated FPC+STZ-induced NASH fibrosis. Mechanistically, ASIC1a interacted with Poly Adp-adenosine ribose polymerase (PARP1) to promote HSC activation by inducing autophagy. CONCLUSION A FPC diet combined with an injection of STZ induces a diabetic NASH mouse model in a shorter period. Targeting ASIC1a may provide a novel therapeutic target for the treatment of diabetic NASH.
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Affiliation(s)
- Xiaojie Hu
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Huimin Lin
- Department of Pharmacy, the Second Affiliated Hospital of Anhui Medical University, China
| | - Shengying Qian
- Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China; University of Chinese Academy of Sciences, Beijing, China
| | - Zhou Xu
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Zihao Li
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Shishun Qian
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Furong Yang
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Hui Hou
- Department of General Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Qinxiu Xie
- Department of Infection, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Wenyong Wu
- Hospital of The Second People's Hospital of Anhui Province, Hefei, China
| | - Chengmu Hu
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Amira Abou-Elnour
- School of International Education, Anhui Medical University, Hefei, China
| | - Yong He
- Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China; University of Chinese Academy of Sciences, Beijing, China.
| | - Yan Huang
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Medical University, Hefei, China.
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103
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Villalaín J. Location and interaction of idebenone and mitoquinone in a membrane similar to the inner mitochondrial membrane. Comparison with ubiquinone 10. Free Radic Biol Med 2024; 222:211-222. [PMID: 38908803 DOI: 10.1016/j.freeradbiomed.2024.06.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 06/10/2024] [Accepted: 06/19/2024] [Indexed: 06/24/2024]
Abstract
Oxygen is essential for aerobic life on earth but it is also the origin of harmful reactive oxygen species (ROS). Ubiquinone is par excellence the endogenous cellular antioxidant, but a very hydrophobic one. Because of that, other molecules have been envisaged, such as idebenone (IDE) and mitoquinone (MTQ), molecules having the same redox active benzoquinone moiety but higher solubility. We have used molecular dynamics to determine the location and interaction of these molecules, both in their oxidized and reduced forms, with membrane lipids in a membrane similar to that of the mitochondria. Both IDE and reduced IDE (IDOL) are situated near the membrane interface, whereas both MTQ and reduced MTQ (MTQOL) locate in a position adjacent to the phospholipid hydrocarbon chains. The quinone moieties of both ubiquinone 10 (UQ10) and reduced UQ10 (UQOL10) in contraposition to the same moieties of IDE, IDOL, MTQ and MTQOL, located near the membrane interphase, whereas the isoprenoid chains remained at the middle of the hydrocarbon chains. These molecules do not aggregate and their functional quinone moieties are located in the membrane at different depths but near the hydrophobic phospholipid chains whereby protecting them from ROS harmful effects.
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Affiliation(s)
- José Villalaín
- Institute of Research, Development, and Innovation in Healthcare Biotechnology (IDiBE), Universidad "Miguel Hernández", E-03202, Elche, Alicante, Spain.
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104
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Thiruvasagam T, Chidambaram P, Ranjan A, Komuhi NB. Significance of fatty acids in fish broodstock nutrition. Anim Reprod Sci 2024; 268:107573. [PMID: 39128318 DOI: 10.1016/j.anireprosci.2024.107573] [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: 05/15/2024] [Revised: 07/11/2024] [Accepted: 07/31/2024] [Indexed: 08/13/2024]
Abstract
The nutritional status of broodstock profoundly affects their reproductive performance and offspring survival. Studies on lipids and essential fatty acids in broodstock diets highlight their importance in cell structure, fecundity, fertilization, egg and larval quality, and providing metabolic energy for reproduction. Long-chain polyunsaturated fatty acids (Lc-PUFA) like DHA (22:6 n-3) and EPA (20:5 n-3) are vital for egg and larval development, while arachidonic acid (ARA) produces eicosanoids essential for reproduction. The fatty acid requirements vary by habitat; freshwater fish typically lack ∆12 and ∆15 desaturase enzymes to convert oleic acid into vital polyunsaturated fatty acids like linoleic and linolenic acids but can synthesize linoleic (18:2 n-6) and linolenic (18:3 n-3) into Lc-PUFAs such as EPA, DHA, and ARA through desaturation and elongation, whereas marine teleost cannot. Hence, broodstock feed fatty acid composition must be tailored by incorporating ingredients with a specific fatty acid composition to enhance reproductive performance. This review provides updated information on fatty acid supplementation in broodstock diets to improve reproductive outcomes in commercially important finfish, offering valuable insights for researchers, academicians, hatchery owners, and fish farmers to produce better-quality seeds.
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Affiliation(s)
- Thangaraju Thiruvasagam
- Directorate Incubation and Vocational Training in Aquaculture, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Muttukadu, Chennai, Tamil Nadu 603112, India.
| | - Pushparaj Chidambaram
- Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Nagapattinam, Tamil Nadu 611002, India
| | - Amit Ranjan
- Institute of Fisheries Post Graduate Studies, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Vaniyanchavadi, Chennai, Tamil Nadu 603103, India
| | - N B Komuhi
- Directorate Incubation and Vocational Training in Aquaculture, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Muttukadu, Chennai, Tamil Nadu 603112, India
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105
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Moggio M, La Noce M, Tirino V, Papaccio G, Lepore M, Diano N. Sphingolipidomic profiling of human Dental Pulp Stem Cells undergoing osteogenic differentiation. Chem Phys Lipids 2024; 263:105420. [PMID: 39053614 DOI: 10.1016/j.chemphyslip.2024.105420] [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: 03/27/2024] [Revised: 07/18/2024] [Accepted: 07/22/2024] [Indexed: 07/27/2024]
Abstract
It is now recognized that sphingolipids are involved in the regulation and pathophysiology of several cellular processes such as proliferation, migration, and survival. Growing evidence also implicates them in regulating the behaviour of stem cells, the use of which is increasingly finding application in regenerative medicine. A shotgun lipidomic study was undertaken to determine whether sphingolipid biomarkers exist that can regulate the proliferation and osteogenic differentiation of human Dental Pulp Stem Cells (hDPSCs). Sphingolipids were extracted and identified by direct infusion into an electrospray mass spectrometer. By using cells cultured in osteogenic medium and in medium free of osteogenic stimuli, as a control, we analyzed and compared the SPLs profiles. Both cellular systems were treated at different times (72 hours, 7 days, and 14 days) to highlight any changes in the sphingolipidomic profiles in the subsequent phases of the differentiation process. Signals from sphingolipid species demonstrating clear differences were selected, their relative abundance was determined, and statistical differences were analyzed. Thus, our work suggests a connection between sphingolipid metabolism and hDPSC osteogenic differentiation and provides new biomarkers for improving hDPSC-based orthopaedic regenerative medicine.
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Affiliation(s)
- Martina Moggio
- Department of Experimental Medicine - University of Campania "L. Vanvitelli", Via S. M. di Costantinopoli, 16, Naples 80138, Italy
| | - Marcella La Noce
- Department of Experimental Medicine - University of Campania "L. Vanvitelli", Via S. M. di Costantinopoli, 16, Naples 80138, Italy
| | - Virginia Tirino
- Department of Experimental Medicine - University of Campania "L. Vanvitelli", Via S. M. di Costantinopoli, 16, Naples 80138, Italy
| | - Gianpaolo Papaccio
- Department of Experimental Medicine - University of Campania "L. Vanvitelli", Via S. M. di Costantinopoli, 16, Naples 80138, Italy
| | - Maria Lepore
- Department of Experimental Medicine - University of Campania "L. Vanvitelli", Via S. M. di Costantinopoli, 16, Naples 80138, Italy
| | - Nadia Diano
- Department of Experimental Medicine - University of Campania "L. Vanvitelli", Via S. M. di Costantinopoli, 16, Naples 80138, Italy.
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Zhou D, Fei Z, Liu G, Jiang Y, Jiang W, Lin CSK, Zhang W, Xin F, Jiang M. The bioproduction of astaxanthin: A comprehensive review on the microbial synthesis and downstream extraction. Biotechnol Adv 2024; 74:108392. [PMID: 38825214 DOI: 10.1016/j.biotechadv.2024.108392] [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: 03/11/2024] [Revised: 04/26/2024] [Accepted: 05/30/2024] [Indexed: 06/04/2024]
Abstract
Astaxanthin is a valuable orange-red carotenoid with wide applications in agriculture, food, cosmetics, pharmaceuticals and nutraceuticals areas. At present, the biological synthesis of astaxanthin mainly relies on Haematococcus pluvialis and Xanthophyllomyces dendrorhous. With the rapid development of synthetic biology, more recombinant microbial hosts have been genetically constructed for astaxanthin production including Escherichia coli, Saccharomyces cerevisiae and Yarrowia lipolytica. As multiple genes (15) were involved in the astaxanthin synthesis, it is particularly important to adopt different strategies to balance the metabolic flow towards the astaxanthin synthesis. Furthermore, astaxanthin is a fat-soluble compound stored intracellularly, hence efficient extraction methods are also essential for the economical production of astaxanthin. Several efficient and green extraction methods of astaxanthin have been reported in recent years, including the superfluid extraction, ionic liquid extraction and microwave-assisted extraction. Accordingly, this review will comprehensively introduce the advances on the astaxanthin production and extraction by using different microbial hosts and strategies to improve the astaxanthin synthesis and extraction efficiency.
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Affiliation(s)
- Dawei Zhou
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, PR China
| | - Zhengyue Fei
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, PR China
| | - Guannan Liu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, PR China
| | - Yujia Jiang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, PR China
| | - Wankui Jiang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, PR China
| | - Carol Sze Ki Lin
- School of Energy and Environment, City University of Hong Kong, 999077, Hong Kong
| | - Wenming Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, PR China; Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211816, PR China.
| | - Fengxue Xin
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, PR China; Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211816, PR China.
| | - Min Jiang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, PR China; Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211816, PR China
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Lau MJ, Nie S, Ross PA, Endersby-Harshman NM, Hoffmann AA. Long-term impacts of egg quiescence and Wolbachia infection on lipid profiles in Aedes aegypti: Ovarian roles in lipid synthesis during reproduction. JOURNAL OF INSECT PHYSIOLOGY 2024; 157:104674. [PMID: 38997103 DOI: 10.1016/j.jinsphys.2024.104674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 07/08/2024] [Accepted: 07/09/2024] [Indexed: 07/14/2024]
Abstract
Wolbachia, an endosymbiotic bacterium, relies on nutrients from its host to complete its life cycle. The presence of Wolbachia strain wAlbB in the mosquito Aedes aegypti during egg or larval stages affects the host's development, leading to the absence of developed and visible ovaries in adult mosquito females. In this study, we investigated the impacts of egg quiescence and Wolbachia infection on lipid profiles of adult Ae. aegypti females, and discerned the role of ovaries in lipid synthesis in the reproductive process. The lipidomes of Wolbachia infected and uninfected female individuals at various developmental stages were quantitatively analyzed by LC-MS/MS. Lipidomic change patterns were systematically further investigated in wAlbB-infected fertile females and infertile females following blood feeding. Prolonged egg quiescence induced a shortage of acyl-carnitine (CAR) and potentially impacted some molecules of diacyl-phospholipid (diacyl-PL) and sphingolipid (SL) in young adult mosquitoes. After the first gonotrophic cycle, infertile females accumulated more CAR and lyso-phospholipid (lyso-PL) than fertile females. Then in the second gonotrophic cycle, the patterns of different lipid groups remained similar between fertile and infertile females. Only a small proportion of molecules of triglyceride (TG), phospholipid (lyso-PL and diacyl-PL) and ceramide (Cer) increased exclusively in fertile females from 0 h to 16 h post blood meal, suggesting that the generation or prescence of these lipids rely on ovaries. In addition, we found cardiolipins (CL) might be impacted by Wolbachia infection at the egg stage, and infected mosquitoes also showed distinct patterns between fertile and infertile females at their second gonotrophic cycle. Our study provides new insights into the long-term influence of Wolbachia on lipid profiles throughout various life stages of mosquitoes. Additionally, it suggests a role played by ovaries in lipid synthesis during mosquito reproduction.
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Affiliation(s)
- Meng-Jia Lau
- Pest and Environmental Adaptation Research Group, Bio21 Institute and the School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia.
| | - Shuai Nie
- Mass Spectrometry and Proteomics Facility, Bio21 Institute, The University of Melbourne, Parkville, Victoria, Australia
| | - Perran A Ross
- Pest and Environmental Adaptation Research Group, Bio21 Institute and the School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Nancy M Endersby-Harshman
- Pest and Environmental Adaptation Research Group, Bio21 Institute and the School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Ary A Hoffmann
- Pest and Environmental Adaptation Research Group, Bio21 Institute and the School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
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108
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Xu K, Huang Q, Lyu Y, Wang S, Lu Y, Qian G. Phosphatidylserine improves aging sepsis survival, modulates gut microbiome, and prevents sepsis-associated encephalopathy. Biomed Pharmacother 2024; 178:117200. [PMID: 39053420 DOI: 10.1016/j.biopha.2024.117200] [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: 04/11/2024] [Revised: 07/17/2024] [Accepted: 07/22/2024] [Indexed: 07/27/2024] Open
Abstract
Aged adults are prone to both short- and long-term complications following sepsis due to ineffective therapy. Phosphatidylserine (PS) is a membrane nutrient supplement known to enhance cognition and brain function, but its potential effects in treating sepsis are not well-documented. Our study aimed to explore the potential of PS in improving outcomes in sepsis and sepsis-associated encephalopathy (SAE). Middle-aged mice were administered PS for two months following induction of sepsis by lipopolysaccharides. The results indicated a significant increase in the survival rate of mice treated with PS after sepsis. Surviving mice underwent open field and shuttle box tests 45 days post-sepsis, revealing potential alleviation of neurobehavioral impairments due to PS pretreatment. Analysis at 60 days post-sepsis euthanasia showed reduced cleaved-caspase 3 in neurons and glial cell markers in the PS-treated group compared to the untreated sepsis group. Furthermore, PS administration effectively reduced proinflammatory cytokine gene expression in the hippocampus of mice with SAE, potentially inhibiting the TBK1/NLRP3/ASC signaling pathway. In the gut, PS pretreatment modulated β-diversity while maintaining jejunal morphology and colon ZO-1 expression, without significantly affecting α-diversity indices. Our findings suggest that PS administration improves survival rates, modulates the gut microbiome, preserves gut integrity, and ameliorates brain pathology in survived mice after sepsis. Importantly, these findings have significant implications for sepsis treatment and cognitive function preservation in aging individuals, providing new insights and sparking further interest and investigation into the potential of PS in sepsis treatment.
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Affiliation(s)
- Kejia Xu
- Department of Anesthesiology and Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Qiong Huang
- Department of Neurology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Ying Lyu
- Department of Traditional Chinese Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Shuyan Wang
- Department of Anesthesiology and Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Yinzhong Lu
- Department of Anesthesiology and Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China.
| | - Gang Qian
- Department of Anesthesiology and Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China; Shanghai Changning Maternity and Infant Health Hospital, Shanghai 200050, China.
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109
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Zheng M, Zhang S, Zhou J, Lin M, Liao Y. ACAT1 suppresses clear cell renal cell carcinoma progression by AMPK mediated fatty acid metabolism. Transl Oncol 2024; 47:102043. [PMID: 38909457 PMCID: PMC11254840 DOI: 10.1016/j.tranon.2024.102043] [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: 02/05/2024] [Revised: 05/30/2024] [Accepted: 06/20/2024] [Indexed: 06/25/2024] Open
Abstract
Renal cell carcinoma (RCC) stands as a prevalent malignancy within urological pathology, exhibiting a noteworthy escalation in its incidence. Despite being a mitochondrial enzyme, the precise role of Acetyl-CoA Acetyltransferase 1 (ACAT1) in RCC remains elusive. In this investigation, we employed bioinformatics methodologies to assess the expression patterns and prognostic significance across various RCC subtypes, encompassing clear cell renal cell carcinoma (ccRCC), papillary cell carcinoma, and chromophobe cell carcinoma. Our findings unveil a close correlation between ACAT1 expression and the prognostic implications specifically within ccRCC. Through both in vitro and in vivo overexpression studies, we delineated the functional and mechanistic facets of ACAT1 in impeding the progression of ccRCC. Our results unequivocally demonstrated that ACAT1 overexpression markedly curtailed proliferation, invasion, and metastasis of ccRCC cells in both in vivo models and cell cultures. Mechanistically, ACAT1's inhibitory effect on the AMPK signaling pathway orchestrated a regulatory role in modulating fatty acid metabolism, thereby effectively restraining the advancement of ccRCC. Collectively, our findings underscore ACAT1 as a pivotal tumor suppressor, instrumental in curtailing the proliferation, migration, and invasion of ccRCC by governing fatty acid metabolism through the AMPK signaling pathway. These insights posit ACAT1 as a potential predictive biomarker and therapeutic target warranting further exploration in RCC management.
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Affiliation(s)
- Ming Zheng
- Department of Urology, Jingzhou Central hospital affiliated to Yangtze University, 26 Chuyuan Avenue, Jing zhou District, Jingzhou City, 434000, China
| | - Shenghu Zhang
- Department of Urology, Jingzhou Central hospital affiliated to Yangtze University, 26 Chuyuan Avenue, Jing zhou District, Jingzhou City, 434000, China
| | - Jiajie Zhou
- Department of Urology, Jingzhou Central hospital affiliated to Yangtze University, 26 Chuyuan Avenue, Jing zhou District, Jingzhou City, 434000, China
| | - Ming Lin
- Department of Urology, Renmin hospital of Wuhan university, Wuhan, 430060, China
| | - Yixiang Liao
- Department of Urology, Jingzhou Central hospital affiliated to Yangtze University, 26 Chuyuan Avenue, Jing zhou District, Jingzhou City, 434000, China.
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Wang X, Dong Y, Du H, Lu Y, Jiang Y, Ding M, Sheng X. Vascular endothelial cells of Mongolian gerbils are resistant to cholesterol-induced mitochondrial dysfunction and oxidative damage. Exp Ther Med 2024; 28:356. [PMID: 39071902 PMCID: PMC11273357 DOI: 10.3892/etm.2024.12645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Accepted: 06/19/2024] [Indexed: 07/30/2024] Open
Abstract
Atherosclerosis is essentially the leading factor behind occurrences of cardiovascular diseases (CVDs)-associated incidents, while mitochondrial dysfunction is also the main cause of atherosclerosis. The present study conducted a comparative analysis of mitochondrial function-related indicators in cholesterol-induced vascular endothelial cells (VECs) from Mongolian gerbils, Sprague-Dawley (SD) rats and humans. It reported that the inhibitory effect of cholesterol treatment on the viability of Mongolian gerbil VECs was markedly lower than the other two types of VECs at the same concentration. Following cholesterol treatment, mitochondrial DNA copy numbers, reactive oxygen species level, calcium concentration and mitochondrial membrane potential of Mongolian gerbil VECs did not change markedly. These results suggested that the function of mitochondria in the VECs of Mongolian gerbil is normal. Additionally, cholesterol treatment also did not alter the levels of superoxide dismutase, glutathione peroxidase, ATP, NADH-CoQ reductase and cytochrome c oxidase in Mongolian gerbil VECs. It was hypothesized that the VECs of Mongolian gerbils have certain resistance to oxidative damage induced by cholesterol. In brief, the present study demonstrated that VECs of Mongolian gerbils are resistant to cholesterol-induced mitochondrial dysfunction and oxidative damage. The aforementioned findings establish a theoretical foundation for the advancement of innovative strategies in the prevention and treatment of atherosclerosis.
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Affiliation(s)
- Xiaobing Wang
- School of Medicine, Jinhua Polytechnic, Jinhua, Zhejiang 321007, P.R. China
| | - Yuchen Dong
- School of Medicine, Jinhua Polytechnic, Jinhua, Zhejiang 321007, P.R. China
| | - Hongjian Du
- School of Pharmacy, Jinhua Polytechnic, Jinhua, Zhejiang 321007, P.R. China
| | - Yijia Lu
- School of Medicine, Jinhua Polytechnic, Jinhua, Zhejiang 321007, P.R. China
| | - Yanjie Jiang
- Institute of Pharmacology, Jinhua Food Institute for Food and Drug Control, Jinhua, Zhejiang 321000, P.R. China
| | - Mingxing Ding
- School of Medicine, Jinhua Polytechnic, Jinhua, Zhejiang 321007, P.R. China
| | - Xiaosheng Sheng
- Department of Cardiology, Jinhua People's Hospital, Jinhua, Zhejiang 321000, P.R. China
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111
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Jiang M, Hu Z, Huang Y, Chen XD, Wu P. Impact of wall materials and DHA sources on the release, digestion and absorption of DHA microcapsules: Advancements, challenges and future directions. Food Res Int 2024; 191:114646. [PMID: 39059932 DOI: 10.1016/j.foodres.2024.114646] [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: 04/03/2024] [Revised: 05/24/2024] [Accepted: 06/14/2024] [Indexed: 07/28/2024]
Abstract
Docosahexaenoic acid (DHA), an essential omega-3 fatty acid, offers significant health benefits but faces challenges such as distinct odor, oxidation susceptibility, and limited intestinal permeability, hindering its broad application. Microencapsulation, widely employed, enhances DHA performance by facilitating controlled release, digestion, and absorption in the gastrointestinal tract. Despite extensive studies on DHA microcapsules and related delivery systems, understanding the mechanisms governing encapsulated DHA release, digestion, and absorption, particularly regarding the influence of wall materials and DHA sources, remains limited. This review starts with an overview of current techniques commonly applied for DHA microencapsulation. It then proceeds to outline up-to-date advances in the release, digestion and absorption of DHA microcapsules, highlighting the roles of wall materials and DHA sources. Importantly, it proposes strategies for overcoming challenges and exploiting opportunities to enhance the bioavailability of DHA microcapsules. Notably, spray drying dominates DHA microencapsulation (over 90 % usage), while complex coacervation shows promise for future applications. The combination of proteins and carbohydrates or phospholipids as wall material exhibits potential in controlling release and digestion of DHA microcapsules. The source of DHA, particularly algal oil, demonstrates higher lipid digestibility and absorptivity of free fatty acids (FFAs) than fish oil. Future advancements in DHA microcapsule development include formulation redesign (e.g., using plant proteins as wall material and algal oil as DHA source), technique optimization (such as co-microencapsulation and pre-digestion), and creation of advanced in vitro systems for assessing DHA digestion and absorption kinetics.
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Affiliation(s)
- Maoshuai Jiang
- Life Quality Engineering Interest Group, School of Chemical and Environmental Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
| | - Zejun Hu
- Life Quality Engineering Interest Group, School of Chemical and Environmental Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China; Xiao Dong Pro-health (Suzhou) Instrumentation Co Ltd, Suzhou, Suzhou, Jiangsu 215152, China.
| | - Yixiao Huang
- Life Quality Engineering Interest Group, School of Chemical and Environmental Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
| | - Xiao Dong Chen
- Life Quality Engineering Interest Group, School of Chemical and Environmental Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
| | - Peng Wu
- Life Quality Engineering Interest Group, School of Chemical and Environmental Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China.
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Kim E, Kwon GS, Choi S, Kim SY, Heo KY, Kim YS, Kim CY, Kim S, Jeong JC, Hwang J, Lee JH, Lee JH, Moh SH. Potential role of ice-binding protein in mitochondria-lipid and ATP mechanisms during freezing of plant callus. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 214:108866. [PMID: 39002307 DOI: 10.1016/j.plaphy.2024.108866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 06/19/2024] [Accepted: 06/20/2024] [Indexed: 07/15/2024]
Abstract
Plant calli, a perpetually undifferentiated cell culture, have defects in maintaining their genetic fidelity during prolonged tissue culture. Cryopreservation using ice-binding proteins (IBP) is a potential solution. Despite a few studies on cryopreservation using IBPs in plant calli, detailed insights into the intracellular metabolism during freezing, thawing, and re-induction remain sparse. This study investigated and employed IBP from polar yeast Leucosporidium sp. (LeIBP) in the cryopreservation process across diverse taxa, including gymnosperms, monocots, dicots, and woody plants. Molecular-level analyses encompassing reactive oxygen species levels, mitochondrial function, and ATP and lipophilic compounds content were conducted. The results across nine plant species revealed the effects of LeIBP on callus competency post-thawing, along with enhanced survival rates, reactive oxygen species reduction, and restored metabolic activities to the level of those of fresh calli. Moreover, species-specific survival optimization with LeIBP treatments and morphological assessments revealed intriguing extracellular matrix structural changes post-cryopreservation, suggesting a morphological strategy for maintaining the original cellular states and paracrine signaling. This study pioneered the comprehensive application of LeIBP in plant callus cryopreservation, alleviating cellular stress and enhancing competence. Therefore, our findings provide new insights into the identification of optimal LeIBP concentrations, confirmation of genetic conformity post-thawing, and the intracellular metabolic mechanisms of cryopreservation advancements in plant research, thereby addressing the challenges associated with long-term preservation and reducing labor-intensive cultivation processes. This study urges a shift towards molecular-level assessments in cryopreservation protocols for plant calli, advocating a deeper understanding of callus re-induction mechanisms and genetic fidelity post-thawing.
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Affiliation(s)
- Euihyun Kim
- Plant cell Research Institute of BIO-FD&C Co. Ltd., Incheon, 21990, South Korea
| | - Gi-Sok Kwon
- Plant cell Research Institute of BIO-FD&C Co. Ltd., Incheon, 21990, South Korea
| | - Sunmee Choi
- Plant cell Research Institute of BIO-FD&C Co. Ltd., Incheon, 21990, South Korea
| | - Soo-Yun Kim
- Plant cell Research Institute of BIO-FD&C Co. Ltd., Incheon, 21990, South Korea
| | - Kyeong Yeon Heo
- Plant cell Research Institute of BIO-FD&C Co. Ltd., Incheon, 21990, South Korea
| | - Young Soon Kim
- Korea Research Institute of Bioscience and Biotechnology, South Korea
| | - Cha Young Kim
- Biological Resource Center, Korea Research Institute of Bioscience Biotechnology (KRIBB), Jeongeup, 56212, South Korea
| | - Soyoung Kim
- Biological Resource Center, Korea Research Institute of Bioscience Biotechnology (KRIBB), Jeongeup, 56212, South Korea; Department of Plant Biotechnology, College of Agriculture and Life Science, Chonnam National University, Gwangju, 61186, South Korea
| | - Jae Cheol Jeong
- Biological Resource Center, Korea Research Institute of Bioscience Biotechnology (KRIBB), Jeongeup, 56212, South Korea
| | - Jisub Hwang
- Research Unit of Cryogenic Novel Material, Korea Polar Research Institute, 26, Songdomirae-ro, Yeonsu-gu, Incheon, 21990, South Korea; Department of Polar Sciences, University of Science and Technology, Incheon, 21990, South Korea
| | - Jun Hyuck Lee
- Research Unit of Cryogenic Novel Material, Korea Polar Research Institute, 26, Songdomirae-ro, Yeonsu-gu, Incheon, 21990, South Korea; Department of Polar Sciences, University of Science and Technology, Incheon, 21990, South Korea
| | - Jeong Hun Lee
- Plant cell Research Institute of BIO-FD&C Co. Ltd., Incheon, 21990, South Korea
| | - Sang Hyun Moh
- Plant cell Research Institute of BIO-FD&C Co. Ltd., Incheon, 21990, South Korea.
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113
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Benfield AH, Vernen F, Young RSE, Nadal-Bufí F, Lamb H, Hammerlindl H, Craik DJ, Schaider H, Lawrence N, Blanksby SJ, Henriques ST. Cyclic tachyplesin I kills proliferative, non-proliferative and drug-resistant melanoma cells without inducing resistance. Pharmacol Res 2024; 207:107298. [PMID: 39032840 DOI: 10.1016/j.phrs.2024.107298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 07/05/2024] [Accepted: 07/05/2024] [Indexed: 07/23/2024]
Abstract
Acquired drug resistance is the major cause for disease recurrence in cancer patients, and this is particularly true for patients with metastatic melanoma that carry a BRAF V600E mutation. To address this problem, we investigated cyclic membrane-active peptides as an alternative therapeutic modality to kill drug-tolerant and resistant melanoma cells to avoid acquired drug resistance. We selected two stable cyclic peptides (cTI and cGm), previously shown to have anti-melanoma properties, and compared them with dabrafenib, a drug used to treat cancer patients with the BRAF V600E mutation. The peptides act via a fast membrane-permeabilizing mechanism and kill metastatic melanoma cells that are sensitive, tolerant, or resistant to dabrafenib. Melanoma cells do not become resistant to long-term treatment with cTI, nor do they evolve their lipid membrane composition, as measured by lipidomic and proteomic studies. In vivo studies in mice demonstrated that the combination treatment of cTI and dabrafenib resulted in fewer metastases and improved overall survival. Such cyclic membrane-active peptides are thus well suited as templates to design new anticancer therapeutic strategies.
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Affiliation(s)
- Aurélie H Benfield
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Felicitas Vernen
- Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Reuben S E Young
- Central Analytical Research Facility and School of Chemistry and Physics, Queensland University of Technology, Brisbane, QLD 4000, Australia
| | - Ferran Nadal-Bufí
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Henry Lamb
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Heinz Hammerlindl
- Frazer Institute, The University of Queensland, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - David J Craik
- Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Helmut Schaider
- Frazer Institute, The University of Queensland, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Nicole Lawrence
- Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Stephen J Blanksby
- Central Analytical Research Facility and School of Chemistry and Physics, Queensland University of Technology, Brisbane, QLD 4000, Australia
| | - Sónia Troeira Henriques
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Translational Research Institute, Brisbane, QLD 4102, Australia; Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, QLD 4072, Australia.
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114
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Kumar P, Verma A, Ashique S, Bhowmick M, Mohanto S, Singh A, Gupta M, Gupta A, Haider T. Unlocking the role of herbal cosmeceutical in anti-ageing and skin ageing associated diseases. Cutan Ocul Toxicol 2024; 43:211-226. [PMID: 39024063 DOI: 10.1080/15569527.2024.2380326] [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: 04/01/2024] [Revised: 06/28/2024] [Accepted: 07/01/2024] [Indexed: 07/20/2024]
Abstract
The process of skin ageing is a natural biological phenomenon characterised by the emergence of wrinkles, age spots, sagging skin, and dryness over time. The increasing significance of skin in physical attractiveness has heightened skincare concerns. Anti-ageing cosmetics play a pivotal role in nurturing the skin, enhancing its quality, and promoting overall health. Today, cosmetics have evolved beyond mere aesthetics and are now integral to individual wellness. The contemporary quest for perpetual youth has intensified, prompting a deeper exploration into the skin ageing process. This comprehensive exploration delves into various elements involved in skin ageing, encompassing cells such as stem and endothelial cells, blood vessels, soft tissues, and signalling pathways. The molecular basis of skin ageing, including biochemical factors like reactive oxygen species, damaged DNA, free radicals, ions, and proteins (mRNA), is scrutinised alongside relevant animal models. The article critically analyzes the outcomes of utilising herbal components, emphasising their advantageous anti-ageing properties. The factors contributing to skin ageing, mechanistic perspectives, management approaches involving herbal cosmeceutical, and associated complications (especially cardiovascular diseases, Parkinson's, Alzheimer's, etc.) are succinctly addressed. In addition, the manuscript further summarises the recent patented innovations and toxicity of the herbal cosmeceuticals for anti-ageing and ageing associated disorders. Despite progress, further research is imperative to unlock the full potential of herbal components as anti-ageing agents.
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Affiliation(s)
- Prashant Kumar
- SRM University Delhi-NCR Campus, Ghaziabad, UPttarpradesh, India
| | - Anurag Verma
- Teerthanker Mahaveer College of Pharmacy, Teerthanker Mahaveer University, Moradabad, UPttarpradesh, India
| | - Sumel Ashique
- Department of Pharmaceutical Sciences, Bengal College of Pharmaceutical Sciences & Research, Durgapur, West Bengal, India
| | - Mithun Bhowmick
- Department of Pharmaceutical Sciences, Bengal College of Pharmaceutical Sciences & Research, Durgapur, West Bengal, India
| | - Sourav Mohanto
- Department of Pharmaceutics, Yenepoya Pharmacy College & Research Centre, Yenepoya (Deemed to be University), Mangalore, Karnataka, India
| | - Anita Singh
- Department of Pharmaceutical Sciences, Kumaun University Campus, Bhimtal, Uttarakhand, India
| | - Madhu Gupta
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University, New Delhi, India
| | - Abhishek Gupta
- Department of Pharmacognosy and phytochemistry, Hygia Institute of Pharmaceutical Education & Research, Lucknow, Uttar Pradesh, India
| | - Tanweer Haider
- Department of Pharmaceutics, Amity Institute of Pharmacy, Amity University Madhya Pradesh, Gwalior, India
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115
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Azzolin VF, Azzolin VF, da Silva Maia R, Mastella MH, Sasso JS, Barbisan F, Bitencourt GR, de Azevedo Mello P, Ribeiro EMA, Ribeiro EE, Nunomura RDCS, Manica da Cruz IB. Safety and efficacy indicators of guarana and Brazil nut extract carried in nanoparticles of coenzyme Q10: Evidence from human blood cells and red earthworm experimental model. Food Chem Toxicol 2024; 191:114828. [PMID: 38914193 DOI: 10.1016/j.fct.2024.114828] [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: 01/27/2024] [Revised: 05/26/2024] [Accepted: 06/17/2024] [Indexed: 06/26/2024]
Abstract
This study characterized a nanosupplement based on coenzyme Q10 containing guarana (Paullinia cupana) and Brazil nuts oil (Bertholetia excelsa) (G-Nut). Determined cytotoxic and oxi-immunomodulatory effects on human peripheral blood mononuclear cells (PBMCs) and its effect on mortality of red Californian earthworms (Eisenia fetida) and on the immune efficiency of its coelomocytes immune by in vitro exposure to yeast dead microorganism. The cytotoxic and immunomodulatory effects of G-Nut and the GN-Free extract (0.25-3 mg/mL) were determined in PBMC cultures. Apoptotic, oxidative, and inflammatory markers were determined using biochemical, immunological, and molecular protocols. The effects of G-Nut and GN-Free extracts on mortality and immune efficiency were investigated in earthworms. G-Nut and GN-Free did not induce cytotoxic events in PBMCs, triggering the decrease in apoptotic (caspases 3 and 8) gene expression, lipid and protein oxidation levels, or pro-inflammatory cytokine levels. G-Nut and GN-Free did not trigger earthworm mortality and improved coelomocyte immune efficiency by increasing Eisenia neutrophil extracellular DNA traps and brown body formation when exposed to dead yeasts. The G-Nut nanoformulation is safe and can be used as a new form of food supplement by oral or transdermal delivery.
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Affiliation(s)
| | | | | | | | | | - Fernanda Barbisan
- Biogenomics Laboratory - Federal University of Santa Maria, RS, Brazil
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116
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Wilcox NS, Amit U, Reibel JB, Berlin E, Howell K, Ky B. Cardiovascular disease and cancer: shared risk factors and mechanisms. Nat Rev Cardiol 2024; 21:617-631. [PMID: 38600368 PMCID: PMC11324377 DOI: 10.1038/s41569-024-01017-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/20/2024] [Indexed: 04/12/2024]
Abstract
Cardiovascular disease (CVD) and cancer are among the leading causes of morbidity and mortality globally, and these conditions are increasingly recognized to be fundamentally interconnected. In this Review, we present the current epidemiological data for each of the modifiable risk factors shared by the two diseases, including hypertension, hyperlipidaemia, diabetes mellitus, obesity, smoking, diet, physical activity and the social determinants of health. We then review the epidemiological data demonstrating the increased risk of CVD in patients with cancer, as well as the increased risk of cancer in patients with CVD. We also discuss the shared mechanisms implicated in the development of these conditions, highlighting their inherent bidirectional relationship. We conclude with a perspective on future research directions for the field of cardio-oncology to advance the care of patients with CVD and cancer.
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Affiliation(s)
- Nicholas S Wilcox
- Division of Cardiology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Uri Amit
- Department of Radiation Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Jacob B Reibel
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Division of Hematology Oncology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Eva Berlin
- Department of Radiation Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Kendyl Howell
- Division of Cardiology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Bonnie Ky
- Division of Cardiology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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117
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Maciel F, Madureira L, Geada P, Teixeira JA, Silva J, Vicente AA. The potential of Pavlovophyceae species as a source of valuable carotenoids and polyunsaturated fatty acids for human consumption. Biotechnol Adv 2024; 74:108381. [PMID: 38777244 DOI: 10.1016/j.biotechadv.2024.108381] [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: 12/13/2023] [Revised: 05/17/2024] [Accepted: 05/17/2024] [Indexed: 05/25/2024]
Abstract
Microalgae are a group of microorganisms, mostly photoautotrophs with high CO2 fixation capacity, that have gained increased attention in the last decades due to their ability to produce a wide range of valuable metabolites, such as carotenoids and polyunsaturated fatty acids, for application in food/feed, pharmaceutical, and cosmeceutical industries. Their increasing relevance has highlighted the importance of identifying and culturing new bioactive-rich microalgae species, as well as of a thorough understanding of the growth conditions to optimize the biomass production and master the biochemical composition according to the desired application. Thus, this review intends to describe the main cell processes behind the production of carotenoids and polyunsaturated fatty acids, in order to understand the possible main triggers responsible for the accumulation of those biocompounds. Their economic value and the biological relevance for human consumption are also summarized. In addition, an extensive review of the impact of culture conditions on microalgae growth performance and their biochemical composition is presented, focusing mainly on the studies involving Pavlovophyceae species. A complementary description of the biochemical composition of these microalgae is also presented, highlighting their potential applications as a promising bioresource of compounds for large-scale production and human and animal consumption.
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Affiliation(s)
- Filipe Maciel
- CEB - Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal; LABBELS -Associate Laboratory, Braga/Guimarães, Portugal.
| | - Leandro Madureira
- CEB - Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal.
| | - Pedro Geada
- CEB - Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal; LABBELS -Associate Laboratory, Braga/Guimarães, Portugal.
| | - José António Teixeira
- CEB - Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal; LABBELS -Associate Laboratory, Braga/Guimarães, Portugal.
| | - Joana Silva
- ALLMICROALGAE, Natural Products S.A., R&D Department, Rua 25 de Abril 19, 2445-287 Pataias, Portugal.
| | - António Augusto Vicente
- CEB - Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal; LABBELS -Associate Laboratory, Braga/Guimarães, Portugal.
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118
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Rys M, Stachurska J, Rudolphi-Szydło E, Dziurka M, Waligórski P, Filek M, Janeczko A. Does deacclimation reverse the changes in structural/physicochemical properties of the chloroplast membranes that are induced by cold acclimation in oilseed rape? PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 214:108961. [PMID: 39067102 DOI: 10.1016/j.plaphy.2024.108961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Accepted: 07/22/2024] [Indexed: 07/30/2024]
Abstract
Winter crops acquire frost tolerance during the process of cold acclimation when plants are exposed to low but non-freezing temperatures that is connected to specific metabolic adjustments. Warm breaks during/after cold acclimation disturb the natural process of acclimation, thereby decreasing frost tolerance and can even result in a resumption of growth. This phenomenon is called deacclimation. In the last few years, studies that are devoted to deacclimation have become more important (due to climate changes) and necessary to be able to understand the mechanisms that occur during this phenomenon. In the acclimation of plants to low temperatures, the importance of plant membranes is indisputable; that is why the main aim of our studies was to answer the question of whether (and to what extent) deacclimation alters the physicochemical properties of the plant membranes. The studies were focused on chloroplast membranes from non-acclimated, cold-acclimated and deacclimated cultivars of winter oilseed rape. The analysis of the membranes (formed from chloroplast lipid fractions) using the Langmuir technique revealed that cold acclimation increased membrane fluidity (expressed as the Alim values), while deacclimation generally decreased the values that were induced by cold. Moreover, because the chloroplast membranes were penetrated by lipophilic molecules such as carotenoids or tocopherols, the relationships between the structure of the lipids and the content of these antioxidants in the chloroplast membranes during the process of the cold acclimation and deacclimation of oilseed rape are discussed.
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Affiliation(s)
- Magdalena Rys
- The Franciszek Górski Institute of Plant Physiology Polish Academy of Sciences, Niezapominajek 21, 30-239, Kraków, Poland.
| | - Julia Stachurska
- The Franciszek Górski Institute of Plant Physiology Polish Academy of Sciences, Niezapominajek 21, 30-239, Kraków, Poland
| | - Elżbieta Rudolphi-Szydło
- Institute of Biology and Earth Sciences, University of the National Education Commission, Podchorążych 2, 30-084, Krakow, Poland
| | - Michał Dziurka
- The Franciszek Górski Institute of Plant Physiology Polish Academy of Sciences, Niezapominajek 21, 30-239, Kraków, Poland
| | - Piotr Waligórski
- The Franciszek Górski Institute of Plant Physiology Polish Academy of Sciences, Niezapominajek 21, 30-239, Kraków, Poland
| | - Maria Filek
- Institute of Biology and Earth Sciences, University of the National Education Commission, Podchorążych 2, 30-084, Krakow, Poland
| | - Anna Janeczko
- The Franciszek Górski Institute of Plant Physiology Polish Academy of Sciences, Niezapominajek 21, 30-239, Kraków, Poland.
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119
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Puganen A, Damerau A, Pöysä M, Lampi AM, Piironen V, Yang B, Linderborg KM. Lipid and volatile profiles of Finnish oat batches of pure cultivars: Effect of storage on the volatile formation. Food Chem 2024; 451:139448. [PMID: 38685179 DOI: 10.1016/j.foodchem.2024.139448] [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: 12/21/2023] [Revised: 03/22/2024] [Accepted: 04/20/2024] [Indexed: 05/02/2024]
Abstract
Recent data showing the compositional variation and storage behavior among different oat batches for the purpose of food remains limited. Lipids of twenty oat flour samples of pure cultivars grown in Finland during 2019 were extracted and fractionated into neutral and polar-rich lipids. Flour was stored for nine months, and profiles of volatiles and tocols were analyzed to reveal oxidative stability. The lipid content was 5.9-8.9 g per 100 g of flour [DW] and consisted of 78.7 ± 2.5 % neutral and 21.3 ± 2.5 % polar lipids. Palmitic (16 %), oleic (36 %), and linoleic (39 %) acids were the most abundant fatty acids. Neutral lipids had more oleic and less linoleic and palmitic acids than polar lipids. The fresh samples correlated with tocols, pentanal, 2-pentylfuran, 2-heptanone, nonanal, 2-butanone, and heptanal, while stored samples were associated with 3-octen-2-one, 2-octenal, hexanal, and octanal. Lipid composition and oxidative stability are essential factors for selecting oat batches for food applications.
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Affiliation(s)
- Anna Puganen
- Department of Life Technologies, University of Turku, FI-20014 Turku, Finland
| | - Annelie Damerau
- Department of Life Technologies, University of Turku, FI-20014 Turku, Finland
| | - Marjo Pöysä
- Department of Food and Nutrition, University of Helsinki, FI-00014 Helsinki, Finland
| | - Anna-Maija Lampi
- Department of Food and Nutrition, University of Helsinki, FI-00014 Helsinki, Finland
| | - Vieno Piironen
- Department of Food and Nutrition, University of Helsinki, FI-00014 Helsinki, Finland
| | - Baoru Yang
- Department of Life Technologies, University of Turku, FI-20014 Turku, Finland
| | - Kaisa M Linderborg
- Department of Life Technologies, University of Turku, FI-20014 Turku, Finland.
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120
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Zhang Q, Chen Z, Li J, Huang K, Ding Z, Chen B, Ren T, Xu P, Wang G, Zhang H, Zhang XD, Zhang J, Wang H. The deubiquitinase OTUD1 stabilizes NRF2 to alleviate hepatic ischemia/reperfusion injury. Redox Biol 2024; 75:103287. [PMID: 39079388 PMCID: PMC11340619 DOI: 10.1016/j.redox.2024.103287] [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: 07/03/2024] [Accepted: 07/26/2024] [Indexed: 08/09/2024] Open
Abstract
Hepatic ischemia/reperfusion (I/R) injury is an important cause of liver function impairment following liver surgery. The ubiquitin-proteasome system (UPS) plays a crucial role in protein quality control and has substantial impact on the hepatic I/R process. Although OTU deubiquitinase 1 (OTUD1) is involved in diverse biological processes, its specific functional implications in hepatic I/R are not yet fully understood. This study demonstrates that OTUD1 alleviates oxidative stress, apoptosis, and inflammation induced by hepatic I/R injury. Mechanistically, OTUD1 deubiquitinates and activates nuclear factor erythroid 2-related factor 2 (NRF2) through its catalytic site cysteine 320 residue and ETGE motif, thereby attenuating hepatic I/R injury. Additionally, administration of a short peptide containing the ETGE motif significantly mitigates hepatic I/R injury in mice. Overall, our study elucidates the mechanism and role of OTUD1 in ameliorating hepatic I/R injury, providing a theoretical basis for potential treatment using ETGE-peptide.
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Affiliation(s)
- Qi Zhang
- Department of Medical Genetics, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China; Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, 430068, China
| | - Zihan Chen
- Department of Medical Genetics, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Jinglei Li
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Kunpeng Huang
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Zhihao Ding
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Biao Chen
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Tianxing Ren
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Peng Xu
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Guoliang Wang
- Department of Hepatobiliary Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Hongji Zhang
- Department of Surgery, University of Virginia, Charlottesville, VA, 22903, USA
| | - Xiao-Dong Zhang
- Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Jinxiang Zhang
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| | - Hui Wang
- Department of Medical Genetics, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China; Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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Guo T, Xu J. Cancer-associated fibroblasts: a versatile mediator in tumor progression, metastasis, and targeted therapy. Cancer Metastasis Rev 2024; 43:1095-1116. [PMID: 38602594 PMCID: PMC11300527 DOI: 10.1007/s10555-024-10186-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 03/31/2024] [Indexed: 04/12/2024]
Abstract
Tumor microenvironment (TME) has been demonstrated to play a significant role in tumor initiation, progression, and metastasis. Cancer-associated fibroblasts (CAFs) are the major component of TME and exhibit heterogeneous properties in their communication with tumor cells. This heterogeneity of CAFs can be attributed to various origins, including quiescent fibroblasts, mesenchymal stem cells (MSCs), adipocytes, pericytes, endothelial cells, and mesothelial cells. Moreover, single-cell RNA sequencing has identified diverse phenotypes of CAFs, with myofibroblastic CAFs (myCAFs) and inflammatory CAFs (iCAFs) being the most acknowledged, alongside newly discovered subtypes like antigen-presenting CAFs (apCAFs). Due to these heterogeneities, CAFs exert multiple functions in tumorigenesis, cancer stemness, angiogenesis, immunosuppression, metabolism, and metastasis. As a result, targeted therapies aimed at the TME, particularly focusing on CAFs, are rapidly developing, fueling the promising future of advanced tumor-targeted therapy.
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Affiliation(s)
- Tianchen Guo
- Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, Zhejiang, China
| | - Junfen Xu
- Department of Gynecologic Oncology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, Zhejiang, China.
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Liu C, Lu J, Xiao R, Li Y, Hu J, Chen C, Wang X, Zhang J, Tian Y, Lu F. Alterations and associations between lung microbiota and metabolite profiles in silica-induced lung injury. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 282:116711. [PMID: 39002383 DOI: 10.1016/j.ecoenv.2024.116711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 05/30/2024] [Accepted: 07/08/2024] [Indexed: 07/15/2024]
Abstract
Silicosis, caused by silica exposure, is the most widespread and deadliest occupational disease. However, effective treatments are lacking. Therefore, it is crucial to elucidate the mechanisms and targets involved in the development of silicosis. We investigated the basic processes of silicosis development and onset at different exposure durations (2 or 4 weeks) using various techniques such as histopathology, immunohistochemistry, Enzyme linked immunosorbent assay(ELISA),16 S rRNA, and untargeted metabolomics.These results indicate that exposure to silica leads to progressive damage to lung tissue with significant deterioration observed over time. Time-dependent cytokines such as the IL-4, IL-13, and IL-6 are detected in lung lavage fluid, the model group consistently exhibited elevated levels of these cytokines, indicating a persistent and worsening inflammatory response in the lungs. Meanwhile, HE and Masson results show that 4-week exposure to silica causes more obvious lung injury and pulmonary fibrosis. Besides, the model group consistently exhibited a distinct lung bacterial population, known as the Lachnospiraceae_NK4A136_group, regardless of exposure duration. However, with increasing exposure duration, specific temporal changes were observed in lung bacterial populations, including Haliangium, Allobaculum, and Sandaracinus (at 4 weeks; p < 0.05). Furthermore, our study revealed a strong correlation between the mechanism of silica-induced lung injury and three factors: oxidative stress, impaired lipid metabolism, and imbalanced amino acid metabolism. We observed a close correlation between cytokine levels, changes in lung microbiota, and metabolic disturbances during various exposure periods. These findings propose that a possible mechanism of silica-induced lung injury involves the interplay of cytokines, lung microbiota, and metabolites.
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Affiliation(s)
- Chang Liu
- Medical School, Hunan University of Chinese Medicine, Changsha 410208, China; College of integrated Traditional Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Jun Lu
- Medical School, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Rong Xiao
- Hunan Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Changsha 410006, China
| | - Yingqiu Li
- Medical School, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Jue Hu
- Medical School, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Chunjing Chen
- Medical School, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Xiaoqi Wang
- Medical School, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Jiaxiang Zhang
- Medical School, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Yue Tian
- Medical School, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Fangguo Lu
- Medical School, Hunan University of Chinese Medicine, Changsha 410208, China.
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Bai H, Wang L, Lambo MT, Li Y, Zhang Y. Effect of changing the proportion of C16:0 and cis-9 C18:1 in fat supplements on rumen fermentation, glucose and lipid metabolism, antioxidation capacity, and visceral fatty acid profile in finishing Angus bulls. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2024; 18:39-48. [PMID: 39026601 PMCID: PMC11254535 DOI: 10.1016/j.aninu.2024.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 03/29/2024] [Accepted: 04/16/2024] [Indexed: 07/20/2024]
Abstract
This study evaluated the effects of different proportions of palmitic (C16:0) and oleic (cis-9 C18:1) acids in fat supplements on rumen fermentation, glucose (GLU) and lipid metabolism, antioxidant function, and visceral fat fatty acid (FA) composition in Angus bulls. The design of the experiment was a randomized block design with 3 treatments of 10 animals each. A total of 30 finishing Angus bulls (21 ± 0.5 months) with an initial body weight of 626 ± 69 kg were blocked by weight into 10 blocks, with 3 bulls per block. The bulls in each block were randomly assigned to one of three experimental diets: (1) control diet without additional fat (CON), (2) CON + 2.5% palmitic calcium salt (PA; 90% C16:0), (3) CON + 2.5% mixed FA calcium salts (MA; 60% C16:0 + 30% cis-9 C18:1). Both fat supplements increased C18:0 and cis-9 C18:1 in visceral fat (P < 0.05) and up-regulated the expression of liver FA transport protein 5 (FATP5; P < 0.001). PA increased the insulin concentration (P < 0.001) and aspartate aminotransferase activity (AST; P = 0.030) in bull's blood while reducing the GLU concentration (P = 0.009). PA increased the content of triglycerides (TG; P = 0.014) in the liver, the content of the C16:0 in visceral fat (P = 0.004), and weight gain (P = 0.032), and up-regulated the expression of liver diacylglycerol acyltransferase 2 (DGAT2; P < 0.001) and stearoyl-CoA desaturase 1 (SCD1; P < 0.05). MA increased plasma superoxide dismutase activity (SOD; P = 0.011), reduced the concentration of acetate and total volatile FA (VFA) in rumen fluid (P < 0.05), and tended to increase plasma non-esterified FA (NEFA; P = 0.069) concentrations. Generally, high C16:0 fat supplementation increased weight gain in Angus bulls and triggered the risk of fatty liver, insulin resistance, and reduced antioxidant function. These adverse effects were alleviated by partially replacing C16:0 with cis-9 C18:1.
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Affiliation(s)
- Haixin Bai
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Lubo Wang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Modinat Tolani Lambo
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Yang Li
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Yonggen Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
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Shuyu L, Hongxun H, Di W, Hui Y, Hongtu Z, Wenbo W, Xin H, Na W, Lina Z, Ting W. In-situ sequential crystallization of fenofibrate and tristearin - Understanding the distribution of API in particles and stability of solid lipid microparticles from the perspective of crystallization. Eur J Pharm Biopharm 2024; 202:114413. [PMID: 39029878 DOI: 10.1016/j.ejpb.2024.114413] [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: 03/14/2024] [Revised: 07/08/2024] [Accepted: 07/12/2024] [Indexed: 07/21/2024]
Abstract
In-situ API crystallization in carrier matrices has attracted extensive attention in recent years for its advantages over traditional preparation processes. However, due to the lack of systemic research on molecular self-assembly behaviors, the products obtained by in-situ crystallization suffer from the problems of polymorphic transformation and drug expulsion during storage, limiting its industrial application. This paper investigates the in-situ sequential crystallization behavior of tristearin (SSS) and fenofibrate (FEN), utilizing SSS as the carrier and FEN as the API. It was found that the behavior of mixed crystallization significantly differs from single-component crystallization, including direct formation of stable form of SSS and the rapid crystallization of FEN. During the crystallization process, the melting FEN promotes the movement of SSS molecules, while the sliding of SSS lamellae, in turn, provides a mechanical stimulus to enhance the nucleation of FEN. Based on the observed synergistic crystallization behavior, the distribution and stability of the API within FEN solid lipid microparticles (SLMs) during storage were evaluated, while also examining the stability variations in SLMs formulated at different cooling rates and drug loading concentrations. The findings indicate that the initial nucleated FEN results in a decrease in the surrounding molten FEN and the irregularity of the SSS lamellas, thereby preventing the remaining molten FEN from achieving complete crystallization within a brief period. Due to the compatibility between FEN and SSS, some SSS may blend with the molten FEN, potentially resulting in further crystallization during storage and consequently increasing the risk of drug expulsion.
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Affiliation(s)
- Li Shuyu
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 30072, China
| | - Hao Hongxun
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 30072, China
| | - Wu Di
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 30072, China
| | - Yu Hui
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 30072, China
| | - Zhao Hongtu
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 30072, China
| | - Wu Wenbo
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 30072, China
| | - Huang Xin
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 30072, China
| | - Wang Na
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 30072, China
| | - Zhou Lina
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 30072, China
| | - Wang Ting
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 30072, China
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Chen M, Cheng C, Peng H, Qi Y, Liu X, Cheng G, Zou C. Fatty Acids Composition of the Sacroiliac Joint in Axial Spondyloarthritis: Analysis Using 3.0 T Chemical Shift-Encoded MRI. J Magn Reson Imaging 2024; 60:1027-1034. [PMID: 38050865 DOI: 10.1002/jmri.29170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/05/2023] [Accepted: 11/06/2023] [Indexed: 12/07/2023] Open
Abstract
BACKGROUND Axial spondyloarthritis (axSpA) is a group of inflammatory diseases that may lead to ankylosis of the sacroiliac joint and spine. Fat lesion in the sacroiliac joint is an important feature in diagnosis and disease progression of axSpA. However, whether there is alteration of fatty acids (FAs) composition has not been investigated using MRI. PURPOSE To investigate bone marrow FA composition of the sacroiliac joint in patients with axSpA compared to controls. STUDY TYPE Prospective. SUBJECTS Eighty five participants (mean age, 32.3 ± 6.1 years): 48 axSpA (25 male, 23 female) and 37 non-SpA controls (18 male, 19 female). FIELD STRENGTH/SEQUENCE 3.0 T/Two multiple gradient-echo chemical shift-encoded (CSE) MRI which differed only in echo times (TEs) were scanned consecutively. ASSESSMENT Axial multi-echo CSE MRI was performed in the sacroiliac joints in vivo. Regions of interest (ROIs) were manually placed on subchondral bone with and without fat lesion in axSpA patients, and on subchondral bone without fat lesion in controls. FA composition was computed within the ROIs using a nonlinear least square method from literature. STATISTICAL TESTS Intergroup comparisons were performed using t tests. RESULTS In axSpA, male patients had significantly higher monounsaturated FA compared to controls in areas with fat lesion in the sacrum (+12%) and in the ilium (+9%), and in areas without fat lesion in the sacrum (+10%). Significantly lower polyunsaturated FAs were found in areas with fat lesion in the sacrum (-10%) and ilium (-11%), and lower saturated FAs were found in areas without fat lesion in the sacrum (-6%). In female, patients with axSpA had significantly higher saturated FAs in areas with fat lesion in the ilium (+7%) in comparison to controls. DATA CONCLUSION FA composition of the sacroiliac joint alters in patients with axSpA, and it can be detected using CSE MRI based analysis.
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Affiliation(s)
- Min Chen
- Department of Radiology, Peking University Shenzhen Hospital, Shenzhen, China
- Department of Radiology, Southern University of Science and Technology Hospital, Shenzhen, China
| | - Chuanli Cheng
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
- Imaging Research Institute of Innovative Medical Equipment, Shenzhen, China
| | - Hao Peng
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Yulong Qi
- Department of Radiology, Peking University Shenzhen Hospital, Shenzhen, China
| | - Xin Liu
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Guanxun Cheng
- Department of Radiology, Peking University Shenzhen Hospital, Shenzhen, China
| | - Chao Zou
- Department of Radiology, Southern University of Science and Technology Hospital, Shenzhen, China
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
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Meng X, Sun H, Tu X, Li W. The Predictive Role of Hematological Parameters in Hypertension. Angiology 2024; 75:705-716. [PMID: 37459606 DOI: 10.1177/00033197231190423] [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] [Indexed: 07/26/2023]
Abstract
Hypertension (HT) is a common chronic disease that often causes target-organ damage and severe complications, contributing to cardiovascular morbidity and mortality worldwide. Accumulating evidence suggests that inflammation plays a prominent role in the initiation and progression of HT. Multiple inflammatory biomarkers have been proposed to predict HT. Several new hematological parameters can reflect the inflammatory response and platelet activation. The major advantage of hematological parameters over conventional inflammatory markers is that they are relatively inexpensive and easily obtained from routine blood tests. Numerous studies have investigated several hematological parameters for their utility as predictive biomarkers for the diagnosis and prognosis of HT. Among them, the neutrophil to lymphocyte ratio (NLR), monocyte to high density lipoprotein cholesterol ratio (MHR), red cell distribution width (RDW), platelet to lymphocyte ratio (PLR), mean platelet volume (MPV), platelet distribution width (PDW), and systemic immune-inflammation index (SII) have recently received attention. We searched PubMed and Embase databases (up to September 18, 2022) to assess the relationships between hematological parameters and HT. This review discusses the diagnostic and prognostic value of these hematological parameters in HT, providing an important basis for early screening, risk stratification, and optimal management of hypertensive patients.
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Affiliation(s)
- Xiangzhu Meng
- Department of Cardiology, Jiangxi Province Hospital of Integrated Chinese and Western Medicine, Nanchang, Jiangxi, China
| | - Hong Sun
- Department of Intensive Care Unit, Ganzhou People's Hospital, Ganzhou, Jiangxi, China
| | - Xiaowen Tu
- Department of Cardiology, Jiangxi Province Hospital of Integrated Chinese and Western Medicine, Nanchang, Jiangxi, China
| | - Wei Li
- Department of Intensive Care Unit, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
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Yang Y, Yu S, Rong H, Lei Z, Yang C, Wu H, Zhang T, Yang F, Nie Y, Chen L, Hu Q, Song Q, Guo J. Sodium sulphate ameliorates hypercholesterolemia via the upregulation of Cyp7a1 in hepatocytes and alleviates hepatic insulin resistance via the downregulation of Trib3 in mice with high cholesterol diets. Exp Ther Med 2024; 28:361. [PMID: 39071912 PMCID: PMC11273247 DOI: 10.3892/etm.2024.12650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 12/06/2023] [Indexed: 07/30/2024] Open
Abstract
Amelioration of hypercholesterolemia is essential for the treatment of atherosclerotic cardiovascular disease. Sodium sulphate is the effective component of mirabilite, which has been used in traditional Chinese medicine for the treatment of various diseases. In the present study, C57BL/6 mice were fed with a high-cholesterol diet (HCD) for 7 weeks and were treated with sodium sulphate in the last three of those weeks. Sodium sulphate significantly reduced the total cholesterol level and the low-density lipoprotein cholesterol/high-density lipoprotein cholesterol ratio in the serum of mice fed the HCD. In addition, cytochrome P450 7a1 and 39a1 were significantly upregulated in the livers of mice treated with sodium sulphate. Furthermore, tribbles pseudokinase 3 expression was significantly increased in the livers of mice fed the HCD, but was significantly reduced by sodium sulphate treatment. In terms of the insulin signaling pathway, the ratio of phosphorylated AKT to total AKT in the livers of mice fed the HCD was significantly lower compared with that of control mice fed a normal diet, but was significantly increased by sodium sulphate treatment. Sodium sulphate treatment also reduced the levels of fibroblast growth factor (FGF)15 in the ileum and inhibited the FGF15/FGF receptor 4-Klotho β/c-Jun N-terminal kinase/c-Jun signaling pathway in the livers of mice fed the HCD. In addition, sodium sulphate changed the composition of the gut microbiota of mice fed the HCD. In conclusion, sodium sulphate may mitigate hypercholesterolemia and hepatic insulin resistance in mice fed an HCD.
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Affiliation(s)
- Yanhong Yang
- School of Clinical Medicine, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, Guangdong 510080, P.R. China
| | - Siping Yu
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong 510006, P.R. China
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P.R. China
| | - Hedong Rong
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong 510006, P.R. China
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P.R. China
| | - Zili Lei
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong 510006, P.R. China
| | - Changyuan Yang
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong 510006, P.R. China
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P.R. China
| | - Huijuan Wu
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong 510006, P.R. China
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P.R. China
| | - Tianle Zhang
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong 510006, P.R. China
| | - Fei Yang
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong 510006, P.R. China
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P.R. China
| | - Ya Nie
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong 510006, P.R. China
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P.R. China
| | - Lei Chen
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong 510006, P.R. China
| | - Qing Hu
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong 510006, P.R. China
| | - Qi Song
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong 510006, P.R. China
| | - Jiao Guo
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong 510006, P.R. China
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Nguyen KA, Boerkamp VJP, van Duynhoven JPM, Dubbelboer A, Hennebelle M, Wierenga PA. A mechanistic kinetic model for lipid oxidation in Tween 20-stabilized O/W emulsions. Food Chem 2024; 451:139404. [PMID: 38714112 DOI: 10.1016/j.foodchem.2024.139404] [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: 03/15/2024] [Revised: 04/12/2024] [Accepted: 04/15/2024] [Indexed: 05/09/2024]
Abstract
Models predicting lipid oxidation in oil-in-water (O/W) emulsions are a requirement for developing effective antioxidant solutions. Existing models do, however, not include explicit equations that account for composition and structural features of O/W emulsions. To bridge this gap, a mechanistic kinetic model for lipid oxidation in emulsions is presented, describing the emulsion as a one-dimensional three phase (headspace, water, and oil) system. Variation in oil droplet sizes, overall surface area of oil/water interface, oxidation of emulsifiers, and the presence of catalytic transition metals were accounted for. For adequate predictions, the overall surface area of oil/water interface needs to be determined from the droplet size distribution obtained by dynamic and static light scattering (DLS, SLS). The kinetic model predicted well the formation of oxidation products in both mono- and polydisperse emulsions, with and without presence of catalytic transition metals.
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Affiliation(s)
- Khoa A Nguyen
- Wageningen University & Research, Laboratory of Food Chemistry, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands
| | - Vincent J P Boerkamp
- Wageningen University & Research, Laboratory of Food Chemistry, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands
| | - John P M van Duynhoven
- Unilever Food Innovation Centre, Bronland 14, 6708 WH Wageningen, the Netherlands.; Wageningen University & Research, Laboratory of Biophysics, Stippeneng 4, 6708 WE, Wageningen, the Netherlands
| | - Arend Dubbelboer
- Danone Nutricia Research, Uppsalalaan 12, 3584 CT Utrecht, the Netherlands
| | - Marie Hennebelle
- Wageningen University & Research, Laboratory of Food Chemistry, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands..
| | - Peter A Wierenga
- Wageningen University & Research, Laboratory of Food Chemistry, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands
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Herrmann M, Rodriguez-Blanco G, Balasso M, Sobolewska K, Semeraro MD, Alonso N, Herrmann W. The role of bile acid metabolism in bone and muscle: from analytics to mechanisms. Crit Rev Clin Lab Sci 2024; 61:510-528. [PMID: 38488591 DOI: 10.1080/10408363.2024.2323132] [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: 12/06/2023] [Revised: 02/09/2024] [Accepted: 02/21/2024] [Indexed: 08/25/2024]
Abstract
Osteoporosis and sarcopenia are both common age-related disorders that are associated with increased morbidity and mortality. Bone and muscle are metabolically very active tissues that require large amounts of energy. Bile acids (BAs), a group of liver-derived steroid compounds, are primarily known as emulsifiers that facilitate the resorption of dietary fat and lipids. In addition, they have pleiotropic metabolic functions in lipoprotein and glucose metabolism, inflammation, and intestinal bacterial growth. Through these effects, they are related to metabolic diseases, such as diabetes, hypertriglyceridemia, atherosclerosis, and nonalcoholic steatohepatitis. BAs mediate their metabolic effects through receptor dependent and receptor-independent mechanisms. Emerging evidence suggests that BAs are also involved in bone and muscle metabolism. Under normal circumstances, BAs support bone health by shifting the delicate equilibrium of bone turnover toward bone formation. In contrast, low or excessive amounts of BAs promote bone resorption. In cholestatic liver disease, BAs accumulate in the liver, reach toxic concentrations in the circulation, and thus may contribute to bone loss and muscle wasting. In addition, the measurement of BAs is in rapid evolution with modern mass spectrometry techniques that allow for the detection of a continuously growing number of BAs. This review provides a comprehensive overview of the biochemistry, physiology and measurement of bile acids. Furthermore, it summarizes the existing literature regarding their role in bone and muscle.
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Affiliation(s)
- Markus Herrmann
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | - Giovanny Rodriguez-Blanco
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | - Marco Balasso
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | - Katarzyna Sobolewska
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | - Maria Donatella Semeraro
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | - Nerea Alonso
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | - Wolfgang Herrmann
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
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Yin Z, Huang W, Li K, Fernie AR, Yan S. Advances in mass spectrometry imaging for plant metabolomics-Expanding the analytical toolbox. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 119:2168-2180. [PMID: 38990529 DOI: 10.1111/tpj.16924] [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: 04/30/2024] [Revised: 06/24/2024] [Accepted: 07/01/2024] [Indexed: 07/12/2024]
Abstract
Mass spectrometry imaging (MSI) has become increasingly popular in plant science due to its ability to characterize complex chemical, spatial, and temporal aspects of plant metabolism. Over the past decade, as the emerging and unique features of various MSI techniques have continued to support new discoveries in studies of plant metabolism closely associated with various aspects of plant function and physiology, spatial metabolomics based on MSI techniques has positioned it at the forefront of plant metabolic studies, providing the opportunity for far higher resolution than was previously available. Despite these efforts, profound challenges at the levels of spatial resolution, sensitivity, quantitative ability, chemical confidence, isomer discrimination, and spatial multi-omics integration, undoubtedly remain. In this Perspective, we provide a contemporary overview of the emergent MSI techniques widely used in the plant sciences, with particular emphasis on recent advances in methodological breakthroughs. Having established the detailed context of MSI, we outline both the golden opportunities and key challenges currently facing plant metabolomics, presenting our vision as to how the enormous potential of MSI technologies will contribute to progress in plant science in the coming years.
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Affiliation(s)
- Zhibin Yin
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, Guangdong, China
- Institute of Advanced Science Facilities, Shenzhen, 518107, Guangdong, China
| | - Wenjie Huang
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, Guangdong, China
| | - Kun Li
- Guangdong Key Laboratory of Crop Genetic Improvement, Crop Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, Guangdong, China
| | - Alisdair R Fernie
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476, Potsdam-Golm, Germany
| | - Shijuan Yan
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, Guangdong, China
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131
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Liu X, Dong M, Li Y, Li L, Zhang Y, Wang C, Wang N, Wang D. Structural properties of glucan from Russula griseocarnosa and its immunomodulatory activities mediated via T cell differentiation. Carbohydr Polym 2024; 339:122214. [PMID: 38823900 DOI: 10.1016/j.carbpol.2024.122214] [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: 01/23/2024] [Revised: 04/25/2024] [Accepted: 04/26/2024] [Indexed: 06/03/2024]
Abstract
The polysaccharide, RGP2, was isolated from Russula griseocarnosa and its immunostimulatory effects were confirmed in cyclophosphamide (CTX)-induced immunosuppressed mice. Following purification via chromatography, structural analysis revealed that RGP2 had a molecular weight of 11.82 kDa and consisted of glucose (Glc), galactose (Gal), mannose, glucuronic acid and glucosamine. Bond structure analysis and nuclear magnetic resonance characterization confirmed that the main chain of RGP2 was formed by →6)-β-D-Glcp-(1→, →3)-β-D-Glcp-(1→ and →6)-α-D-Galp-(1→, which was substituted at O-3 of →6)-β-D-Glcp-(1→ by β-D-Glcp-(1→. RGP2 was found to ameliorate pathological damage in the spleen and enhance immune cell activity in immunosuppressed mice. Based on combined multiomics analysis, RGP2 altered the abundance of immune-related microbiota (such as Lactobacillus, Faecalibacterium, and Bacteroides) in the gut and metabolites (uridine, leucine, and tryptophan) in the serum. Compared with immunosuppressed mice, RGP2 also restored the function of antigen-presenting cells, promoted the polarization of macrophages into the M1 phenotype, positively affected the differentiation of helper T cells, and inhibited regulatory T cell differentiation through the protein kinase B (AKT)/mechanistic target of rapamycin (mTOR) pathway, ultimately exerting an immune boosting function. Overall, our findings highlight therapeutic strategies to alleviate CTX-induced immunosuppression in a clinical setting.
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Affiliation(s)
- Xin Liu
- School of Life Sciences, Jilin University, Changchun 130012, China; School of Health Science and Biomedical Engineering, Hebei University of Technology, Tianjin, 300131, China.
| | - Mingyuan Dong
- School of Life Sciences, Jilin University, Changchun 130012, China.
| | - Yuan Li
- School of Life Sciences, Jilin University, Changchun 130012, China.
| | - Lanzhou Li
- Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi, School of Plant Protection, Jilin Agricultural University, Changchun 130118, China.
| | - Yongfeng Zhang
- Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi, School of Plant Protection, Jilin Agricultural University, Changchun 130118, China.
| | - Chunyue Wang
- Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi, School of Plant Protection, Jilin Agricultural University, Changchun 130118, China.
| | - Ning Wang
- School of Chinese Medicine, The University of Hong Kong, 6/F, 3 Sassoon Road, Pokfulam 000000, Hong Kong.
| | - Di Wang
- School of Life Sciences, Jilin University, Changchun 130012, China; Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi, School of Plant Protection, Jilin Agricultural University, Changchun 130118, China.
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132
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Bai T, Peng J, Wu C. Association of dietary intake and serum concentration of omega-3 fatty acids on celiac disease: evidence from observational study and Mendelian randomization. Eur J Gastroenterol Hepatol 2024; 36:1101-1108. [PMID: 38973512 DOI: 10.1097/meg.0000000000002814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/09/2024]
Abstract
OBJECTIVE The association between omega-3 fatty acids (O3FA) and celiac disease lacks sufficient investigation. METHODS Utilizing data gleaned from the 2009 to 2014 National Health and Nutrition Examination Survey (NHANES), this research comprises a sample of 13 403 adults, each aged 20 years and above. We conducted a multivariable logistic regression analysis to assess the association between dietary intake of O3FA and celiac disease. Subsequently, a two-sample Mendelian randomization was performed to estimate the unconfounded causal relationship between serum O3FA and celiac disease. The principal analytical strategy utilized the inverse-variance weighted methodology. RESULTS In this cross-sectional study, 48 occurrences (0.36%) of celiac disease were encompassed. In the multivariable model, there was no association between dietary intake of O3FA and cases of celiac disease (odds ratio: 1.12, 95% confidence interval: 0.47-2.66, P = 0.792). However, serum levels of O3FA determined by genetic assay were correlated with celiac disease (inverse-variance weighted, β = 0.2439, P = 0.0287), with no evidence of horizontal pleiotropy ( P = 0.3689). CONCLUSION The dietary consumption of O3FA did not exhibit an association with the risk of celiac disease in this cross-sectional investigation. However, a correlation between celiac disease and serum levels of O3FA was observed in the Mendelian randomization. Further investigations, including human clinical trials, are warranted.
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Affiliation(s)
- Tongtong Bai
- School of Chinese Medicine & School of Integrated Chinese and Western Medicine
| | - Juanjuan Peng
- School of Acupuncture-Moxibustion and Tuina & School of Regimen and Rehabilitation, Nanjing University of Chinese Medicine, Nanjing, China
| | - Chengyu Wu
- School of Chinese Medicine & School of Integrated Chinese and Western Medicine
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Torsabo D, Ishak SD, Noordin NM, Waiho K, Koh ICC, Yazed MA, Abol-Munafi AB. Optimizing reproductive performance in pangasius catfish broodstock: A review of dietary and molecular strategies. Vet Anim Sci 2024; 25:100375. [PMID: 39005967 PMCID: PMC11245938 DOI: 10.1016/j.vas.2024.100375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/16/2024] Open
Abstract
Pangasius catfish, a significant player in the global whitefish market, encounters challenges in aquaculture production sustainability. Quality broodstock maintenance and seed production are impeded by growth, maturation, and fecundity issues. This review investigates the efficacy of strategic nutrient composition and molecular strategies in enhancing broodstock conditions and reproductive performance across various fish species. A notable knowledge gap for Pangasius catfish hampers aquaculture progress. The review assesses nutrient manipulation's impact on reproductive physiology, emphasizing pangasius broodstock. A systematic review analysis following PRISMA guidelines was conducted to identify research trends and hotspots quantitatively, revealing a focus on P. bocourti and fertilization techniques. Addressing this gap, the review offers insights into dietary nutrients manipulation and genetic tool utilization for improved seed production, contributing to pangasius catfish aquaculture sustainability.
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Affiliation(s)
- Donald Torsabo
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
- Department of Fisheries and Aquaculture, Joseph Sarwuan Tarka University, Makurdi, Makurdi, Benue State, Nigeria
| | - Sairatul Dahlianis Ishak
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
| | - Noordiyana Mat Noordin
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
- Faculty of Fisheries and Food Science Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
| | - Khor Waiho
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
- Guangxi Key Laboratory of Beibu Gulf Marine Biodiversity and Conservation, College of Marine Sciences, Beibu Gulf University, Guangxi, China
- Center for Chemical Biology, Universiti Sains Malaysia, Bayan Lepas, Penang, Malaysia
| | - Ivan Chong Chu Koh
- Faculty of Fisheries and Food Science Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
| | - Muhammad Abduh Yazed
- Faculty of Fisheries and Food Science Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
| | - Ambok Bolong Abol-Munafi
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
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Vignesh A, Amal TC, Vasanth K. Food contaminants: Impact of food processing, challenges and mitigation strategies for food security. Food Res Int 2024; 191:114739. [PMID: 39059927 DOI: 10.1016/j.foodres.2024.114739] [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: 05/06/2024] [Revised: 07/02/2024] [Accepted: 07/04/2024] [Indexed: 07/28/2024]
Abstract
Food preparation involves the blending of various food ingredients to make more convenient processed food products. It is a long chain process, where each stage posing a risk of accumulating hazardous contaminants in these food systems. Protecting the public health from contaminated foods has become a demanding task in ensuring food safety. This review focused on the causes, types, and health risks of contaminants or hazardous chemicals during food processing. The impact of cooking such as frying, grilling, roasting, and baking, which may lead to the formation of hazardous by-products, including polycyclic aromatic hydrocarbons (PAHs), heterocyclic amines (HCAs), acrylamide, advanced glycation end products (AGEs), furan, acrolein, nitrosamines, 5-hydroxymethylfurfural (HMF) and trans-fatty acids (TFAs). Potential health risks such as carcinogenicity, genotoxicity, neurotoxicity, and cardiovascular effects are emerging as a major problem in the modern lifestyle era due to the increased uptakes of contaminants. Effects of curing, smoking, and fermentation of the meat products led to affect the sensory and nutritional characteristics of meat products. Selecting appropriate cooking methods include temperature, time and the consumption of the food are major key factors that should be considered to avoid the excess level intake of hazardous contaminants. Overall, this study underscores the importance of understanding the risks associated with food preparation methods, strategies for minimizing the formation of harmful compounds during food processing and highlights the need for healthy dietary choices to mitigate potential health hazards.
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Affiliation(s)
- Arumugam Vignesh
- Department of Botany, Nallamuthu Gounder Mahalingam College (Autonomous), Pollachi 642 001, Tamil Nadu, India.
| | - Thomas Cheeran Amal
- ICAR - Central Institute for Cotton Research, RS, Coimbatore 641 003, Tamil Nadu, India
| | - Krishnan Vasanth
- Department of Botany, Bharathiar University, Coimbatore 641 046, Tamil Nadu, India
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135
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Sahm J, Brobeil B, Grubmüller E, Conrad T, Schott M, Stökl J, Steiger S. The scent of offspring: chemical profiles of larvae change during development and affect parental behavior in a burying beetle. Behav Ecol 2024; 35:arae061. [PMID: 39139623 PMCID: PMC11319877 DOI: 10.1093/beheco/arae061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 06/05/2024] [Accepted: 08/07/2024] [Indexed: 08/15/2024] Open
Abstract
Chemical cues and signals, especially in insects, play a pivotal role in mediating interactions between individuals. Past studies have largely focused on adult semiochemicals and have neglected those of juvenile stages. Especially in the context of parental care, the larval odor might have a profound impact on parenting behavior, guiding parents in how much resources they should allocate to the different developmental stages. However, whether ontogenetic changes occur in subsocial species and whether larval-emitted scents influence parent-offspring interactions is largely unknown. Using 3 different sampling techniques, we analyzed the cuticular and VOC profile of the 3 larval instars of the burying beetle Nicrophorus vespilloides, which is known for its elaborate parental care. We found distinct differences in the cuticular and VOC profiles across the 3 larval stages. Second-instar larvae, which receive more frequent feedings from parents than the other larval stages, released greater amounts of acetophenone, methyl geranate, and octanoic acid isopropyl ester than the first and third instar. Additionally, using a newly developed bioassay with automated video tracking, we found that adding the odor of second-instar larvae to first-instar larvae increased the number of maternal feeding trips. Our results suggest that the odor produced by larvae plays an important role in mediating parent-offspring interactions. Given these findings, burying beetles might emerge as a promising candidate for identifying a potential begging pheromone.
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Affiliation(s)
- Jacqueline Sahm
- Department of Evolutionary Animal Ecology, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Beatrice Brobeil
- Department of Evolutionary Animal Ecology, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Eric Grubmüller
- Department of Evolutionary Animal Ecology, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Taina Conrad
- Department of Evolutionary Animal Ecology, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Matthias Schott
- Department of Animal Ecology I, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Johannes Stökl
- Department of Evolutionary Animal Ecology, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Sandra Steiger
- Department of Evolutionary Animal Ecology, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
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Zhou Y, Chen Y, Zhao P, Xian T, Gao Y, Fan S, Fang JH, Huang M, Bi H. The YY1-CPT1C signaling axis modulates the proliferation and metabolism of pancreatic tumor cells under hypoxia. Biochem Pharmacol 2024; 227:116422. [PMID: 38996932 DOI: 10.1016/j.bcp.2024.116422] [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: 01/26/2024] [Revised: 07/03/2024] [Accepted: 07/09/2024] [Indexed: 07/14/2024]
Abstract
Carnitine palmitoyltransferase 1C (CPT1C) is an enzyme that regulates tumor cell proliferation and metabolism by modulating mitochondrial function and lipid metabolism. Hypoxia, commonly observed in solid tumors, promotes the proliferation and progression of pancreatic cancer by regulating the metabolic reprogramming of tumor cells. So far, the metabolic regulation of hypoxic tumor cells by CPT1C and the upstream mechanisms of CPT1C remain poorly understood. Yin Yang 1 (YY1) is a crucial oncogene for pancreatic tumorigenesis and acts as a transcription factor that is involved in multiple metabolic processes. This study aimed to elucidate the relationship between YY1 and CPT1C under hypoxic conditions and explore their roles in hypoxia-induced proliferation and metabolic alterations of tumor cells. The results showed enhancements in the proliferation and metabolism of PANC-1 cells under hypoxia, as evidenced by increased cell growth, cellular ATP levels, up-regulation of mitochondrial membrane potential, and decreased lipid content. Interestingly, knockdown of YY1 or CPT1C inhibited hypoxia-induced rapid cell proliferation and vigorous cell metabolism. Importantly, for the first time, we reported that YY1 directly activated the transcription of CPT1C and clarified that CPT1C was a novel target gene of YY1. Moreover, the YY1 and CPT1C were found to synergistically regulate the proliferation and metabolism of hypoxic cells through transfection with YY1 siRNA to CRISPR/Cas9-CPT1C knockout PANC-1 cells. Taken together, these results indicated that the YY1-CPT1C axis could be a new target for the intervention of pancreatic cancer proliferation and metabolism.
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Affiliation(s)
- Yanying Zhou
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism & Guangdong Provincial Key Laboratory of New Drug Screening & Guangdong-Hongkong-Macao Joint Laboratory for New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong Province 510515, China; School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong Province 510006, China
| | - Yixin Chen
- School of Pharmaceutical Sciences, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong Province 511436, China
| | - Pengfei Zhao
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong Province 510006, China
| | - Tu Xian
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong Province 510006, China
| | - Yue Gao
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism & Guangdong Provincial Key Laboratory of New Drug Screening & Guangdong-Hongkong-Macao Joint Laboratory for New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong Province 510515, China; School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong Province 510006, China
| | - Shicheng Fan
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism & Guangdong Provincial Key Laboratory of New Drug Screening & Guangdong-Hongkong-Macao Joint Laboratory for New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong Province 510515, China
| | - Jian-Hong Fang
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism & Guangdong Provincial Key Laboratory of New Drug Screening & Guangdong-Hongkong-Macao Joint Laboratory for New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong Province 510515, China
| | - Min Huang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong Province 510006, China.
| | - Huichang Bi
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism & Guangdong Provincial Key Laboratory of New Drug Screening & Guangdong-Hongkong-Macao Joint Laboratory for New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong Province 510515, China; School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong Province 510006, China; The State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School of Peking University, Shenzhen, Guangdong Province 518055, China.
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Zhao K, Jia S, Wang J, Bian X, Chen S, Li J, Liu P, Li J, Cai Y, Ren X. Effects of sand substrate removal on the intestinal antioxidant and metabolism in Marsupenaeus japonicus. FISH & SHELLFISH IMMUNOLOGY 2024; 152:109786. [PMID: 39047925 DOI: 10.1016/j.fsi.2024.109786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 07/01/2024] [Accepted: 07/21/2024] [Indexed: 07/27/2024]
Abstract
M. japonicus is an important specie for factory farming, and factory farming requires an environment with sand at the bottom of the pond. However, the physiological responses as well as survival in the process of factory farming without laying sand are currently unknown. In the present study, we explored the effect of sand substrate removal on the intestinal histomorphology, antioxidant enzyme activity, and metabolic profile of M. japonicus. Our results indicate a gradual increase in the mortality rate of kuruma shrimp in ponds lacking sand substrate. The intestinal mucosa exhibited necrosis and the presence of vacuoles, with their number gradually increasing over time. The intestinal villi showed significant erosion, accompanied by a decrease in intestinal superoxide dismutase (SOD) activity and catalase (CAT) activity, and consistent with an upregulation in the expression of apoptosis-related genes such as caspase-3, indicating an adaptive response to the adverse environmental conditions. Additionally, the metabolomic analysis revealed that most significantly differential metabolites were linked to amino acid and lipid metabolism. These findings enhance our understanding of the sand substrate removal on the intestinal health of kuruma shrimp, which provides a basis for the factory farming.
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Affiliation(s)
- Kuangcheng Zhao
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang, China; State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, 266071, China
| | - Shaoting Jia
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao Marine Science and Technology Center, Qingdao, Shandong, 266237, China
| | - Junxia Wang
- Marine Science Research Center, Rizhao Ocean and Fishery Research Institute, Rizhao, Shandong, 276800, China
| | - Xueqiong Bian
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao Marine Science and Technology Center, Qingdao, Shandong, 266237, China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
| | - Shibo Chen
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao Marine Science and Technology Center, Qingdao, Shandong, 266237, China; Qingdao Excellent Ocean Group, Qingdao, Shandong, 266400, China
| | - Jitao Li
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao Marine Science and Technology Center, Qingdao, Shandong, 266237, China
| | - Ping Liu
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao Marine Science and Technology Center, Qingdao, Shandong, 266237, China
| | - Jian Li
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao Marine Science and Technology Center, Qingdao, Shandong, 266237, China
| | - Yuefeng Cai
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang, China.
| | - Xianyun Ren
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao Marine Science and Technology Center, Qingdao, Shandong, 266237, China.
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Khan M, Dahro B, Wang Y, Wang M, Xiao W, Qu J, Zeng Y, Fang T, Xiao P, Xu X, Li C, Liu JH. The transcription factor ERF110 promotes cold tolerance by directly regulating sugar and sterol biosynthesis in citrus. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 119:2385-2401. [PMID: 38985498 DOI: 10.1111/tpj.16925] [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: 05/11/2024] [Revised: 06/11/2024] [Accepted: 07/01/2024] [Indexed: 07/11/2024]
Abstract
ERFs (ethylene-responsive factors) are known to play a key role in orchestrating cold stress signal transduction. However, the regulatory mechanisms and target genes of most ERFs are far from being well deciphered. In this study, we identified a cold-induced ERF, designated as PtrERF110, from trifoliate orange (Poncirus trifoliata L. Raf., also known as Citrus trifoliata L.), an elite cold-hardy plant. PtrERF110 is a nuclear protein with transcriptional activation activity. Overexpression of PtrERF110 remarkably enhanced cold tolerance in lemon (Citrus limon) and tobacco (Nicotiana tabacum), whereas VIGS (virus-induced gene silencing)-mediated knockdown of PtrERF110 drastically impaired the cold tolerance. RNA sequence analysis revealed that PtrERF110 overexpression resulted in global transcriptional reprogramming of a range of stress-responsive genes. Three of the genes, including PtrERD6L16 (early responsive dehydration 6-like transporters), PtrSPS4 (sucrose phosphate synthase 4), and PtrUGT80B1 (UDP-glucose: sterol glycosyltransferases 80B1), were confirmed as direct targets of PtrERF110. Consistently, PtrERF110-overexpressing plants exhibited higher levels of sugars and sterols compared to their wild type counterparts, whereas the VIGS plants had an opposite trend. Exogenous supply of sucrose restored the cold tolerance of PtrERF110-silencing plants. In addition, knockdown of PtrSPS4, PtrERD6L16, and PtrUGT80B1 substantially impaired the cold tolerance of P. trifoliata. Taken together, our findings indicate that PtrERF110 positively modulates cold tolerance by directly regulating sugar and sterol synthesis through transcriptionally activating PtrERD6L16, PtrSPS4, and PtrUGT80B1. The regulatory modules (ERF110-ERD6L16/SPS4/UGT80B1) unraveled in this study advance our understanding of the molecular mechanisms underlying sugar and sterol accumulation in plants subjected to cold stress.
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Affiliation(s)
- Madiha Khan
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, 430070, China
| | - Bachar Dahro
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yue Wang
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, 430070, China
| | - Min Wang
- College of Life Sciences, Gannan Normal University, Ganzhou, 341000, China
| | - Wei Xiao
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jing Qu
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yike Zeng
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, 430070, China
| | - Tian Fang
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, 430070, China
| | - Peng Xiao
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xiaoyong Xu
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou, 225009, China
| | - Chunlong Li
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, 430070, China
- Hubei Hongshan Laboratory, Wuhan, 430070, China
| | - Ji-Hong Liu
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, 430070, China
- Hubei Hongshan Laboratory, Wuhan, 430070, China
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139
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Sun X, Zhang Q, Wang M, Yao L, Li X, Cao H, Xu Y. Acyl-CoA thioesterase 7 is oncogenic in breast cancer by promoting oxidative phosphorylation via PGC1α. Genes Dis 2024; 11:101149. [PMID: 38770369 PMCID: PMC11103411 DOI: 10.1016/j.gendis.2023.101149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 10/10/2023] [Indexed: 05/22/2024] Open
Affiliation(s)
- Xiangyu Sun
- Department of Breast Surgery, Liaoning Cancer Hospital & Institute, Shenyang, Liaoning 110000, China
- Department of Breast Surgery, The First Hospital of China Medical University, Shenyang, Liaoning 110000, China
| | - Qiang Zhang
- Department of Breast Surgery, The First Hospital of China Medical University, Shenyang, Liaoning 110000, China
| | - Mozhi Wang
- Department of Breast Surgery, Liaoning Cancer Hospital & Institute, Shenyang, Liaoning 110000, China
| | - Litong Yao
- Department of Breast Surgery, Liaoning Cancer Hospital & Institute, Shenyang, Liaoning 110000, China
| | - Xiang Li
- Department of Ultrasound, The First Hospital of China Medical University, Shenyang, Liaoning 110000, China
| | - Hongyi Cao
- Department of Pathology, The First Hospital of China Medical University and College of Basic Medical Sciences, Shenyang, Liaoning 110000, China
| | - Yingying Xu
- Department of Breast Surgery, Liaoning Cancer Hospital & Institute, Shenyang, Liaoning 110000, China
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140
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Li S, Xiao Q, Sun J, Li Z, Zhang M, Tian Y, Zhang Z, Dong H, Jiao Y, Xu F, Zhang P. A new chemical derivatization reagent sulfonyl piperazinyl for the quantification of fatty acids using LC-MS/MS. Talanta 2024; 277:126378. [PMID: 38870757 DOI: 10.1016/j.talanta.2024.126378] [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: 01/16/2024] [Revised: 05/04/2024] [Accepted: 06/05/2024] [Indexed: 06/15/2024]
Abstract
In our previous study, a chemical derivatization reagent named 5-(dimethylamino) naphthalene-1-sulfonyl piperazine (Dns-PP) was developed to enhance the chromatographic retention and the mass spectrometric response of free fatty acids (FFAs) in reversed-phase liquid chromatography coupled with electrospray ionization-mass spectrometry (RPLC-ESI-MS). However, Dns-PP exhibited strong preferences for long-chain FFAs, with limited improvement for short- or medium-chain FFAs. In this study, a new series of labeling reagents targeting FFAs were designed, synthesized, and evaluated. Among these reagents, Tmt-PP (N2, N2, N4, N4-tetramethyl-6-(4-(piperazin-1-ylsulfonyl) phenyl)-1,3,5-triazine-2,4-diamine) exhibited the best MS response and was selected for further evaluations. We compared Tmt-PP with Dns-PP and four commonly used carboxyl labeling reagents from existing studies, demonstrating the advantages of Tmt-PP. Further comparisons between Tmt-PP and Dns-PP in measuring FFAs from biological samples revealed that Tmt-PP labeling enhanced the MS response for about 80 % (30/38) of the measured FFAs, particularly for short- and medium-chain FFAs. Moreover, Tmt-PP labeling significantly improved the chromatographic retention of short-chain FFAs. To ensure accurate quantification, we developed a stable isotope-labeled Tmt-PP (i.e., d12-Tmt-PP) to react with chemical standards and serve as one-to-one internal standards (IS). The method was validated for accuracy, precision, sensitivity, linearity, stability, extraction efficiency, as well as matrix effect. Overall, this study introduced a new chemical derivatization reagent Tmt-PP (d12-Tmt-PP), providing a sensitive and accurate option for quantifying FFAs in biological samples.
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Affiliation(s)
- Siqi Li
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicine, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Qinwen Xiao
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicine, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Jiarui Sun
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicine, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Zhaoqian Li
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicine, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Mengting Zhang
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicine, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Yuan Tian
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicine, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Zunjian Zhang
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicine, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Haijuan Dong
- The Public Laboratory Platform, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Yu Jiao
- Department of Organic Chemistry, China Pharmaceutical University, Nanjing, 210009, PR China.
| | - Fengguo Xu
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicine, China Pharmaceutical University, Nanjing, 210009, PR China; School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, PR China.
| | - Pei Zhang
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicine, China Pharmaceutical University, Nanjing, 210009, PR China.
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141
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Bahut F, Sieczkowski N, Schneider R, Gougeon R, Nikolantonaki M. Antioxidant inactivated yeast: High potential of non-Saccharomyces specific metabolome. Talanta 2024; 277:126340. [PMID: 38870756 DOI: 10.1016/j.talanta.2024.126340] [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: 12/20/2023] [Revised: 04/24/2024] [Accepted: 05/29/2024] [Indexed: 06/15/2024]
Abstract
Understanding the contribution of new natural sources of antioxidant compounds to the stability of wines is of great interest in a context of reduction of sulfites. Here, we investigated the antioxidant potential of selected inactivated non-Saccharomyces yeast (INSY) along with related chemical fingerprints, using combined untargeted UHPLC-Q-ToF MS and DPPH analyses. 4 INSY species were compared to a reference inactivated Saccharomyces cerevisiae yeast (ISY) selected for its high antioxidant capacity. Our results show that, all the INSY can accumulate GSH during the specific production process with yields ranging from +170 % to +360 % compared to the corresponding classical production process. The principal component analysis of the 3511 ions detected by UHPLC-Q-ToF-MS clearly grouped INSY by species, independently of the production process. One INSY exhibited equivalent antioxidant capacity to the control ISY, but with a GSH concentration four times lower (4.73 ± 0.09 mg/g against 20.95 ± 0.34 mg/g, respectively). 73 specific ions presenting strong and significant spearman correlation (rho < -0.6, p-value < 0.05) with the DPPH scores, clustered the most antioxidant INSY and the control Saccharomyces in different groups, indicating that the antioxidant capacity of these two products should be driven by different pools of compounds. These results point out that, GSH alone is not relevant to explain the antioxidant capacity of INSY soluble fractions and other more reactive compounds must be considered, which opens an avenue for the selection new species with great enological potential.
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Affiliation(s)
- Florian Bahut
- Lallemand SAS, 19 rue des Briquetiers, BP59, 31702, Blagnac, France; UMR PAM 1517, Université Bourgogne Franche-Comté, Institut Agro, Université Bourgogne, INRAE, Institut Universitaire de la Vigne et du Vin-Jules Guyot, F-21000 Dijon, France.
| | | | - Rémi Schneider
- Oenobrands, 2196 Boulevard de la Lironde, Monferrier-sur-Lez, France
| | - Régis Gougeon
- UMR PAM 1517, Université Bourgogne Franche-Comté, Institut Agro, Université Bourgogne, INRAE, Institut Universitaire de la Vigne et du Vin-Jules Guyot, F-21000 Dijon, France
| | - Maria Nikolantonaki
- UMR PAM 1517, Université Bourgogne Franche-Comté, Institut Agro, Université Bourgogne, INRAE, Institut Universitaire de la Vigne et du Vin-Jules Guyot, F-21000 Dijon, France
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142
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Kroll SL, Meier P, Mayo LM, Gertsch J, Quednow BB. Endocannabinoids and related lipids linked to social exclusion in individuals with chronic non-medical prescription opioid use. Neuropsychopharmacology 2024; 49:1630-1639. [PMID: 38773316 PMCID: PMC11319498 DOI: 10.1038/s41386-024-01881-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 04/10/2024] [Accepted: 04/29/2024] [Indexed: 05/23/2024]
Abstract
Opioid-related overdose deaths are still on the rise in North America, emphasizing the need to better understand the underlying neurobiological mechanisms regarding the development of opioid use disorder (OUD). Recent evidence from preclinical and clinical studies indicate that the endocannabinoid system (ECS) may play a crucial role in stress and reward, both involved in the development and maintenance of substance use disorders. Animal models demonstrate a specific crosstalk between the ECS and the endogenous opioid system. However, translational studies in humans are scarce. Here, we investigated basal plasma levels of the endocannabinoids anandamide (AEA) and 2-arachidonoyglycerol (2-AG), and eight endocannabinoid-related lipids, including oleoylethanolamide (OEA) and palmitoylethanolamide (PEA), as well as whole blood fatty acid amide hydrolase (FAAH) activity in chronic non-medical prescription opioid users (NMPOU; n = 21) compared to opioid-naïve healthy controls (n = 29) considering age, sex, and cannabis use as potential confounders. Additionally, the association of endocannabinoids and related lipids with the participants' response to experimentally induced social exclusion was examined. We found significantly elevated basal AEA, OEA, and PEA levels in NMPOU compared to controls, but no differences in FAAH activity, 2-AG, or other endocannabinoid-related lipids. Within NMPOU, higher AEA levels were associated with lower perception of social exclusion. Robust positive correlations within N-acylethanolamines (i.e., AEA, OEA, and PEA) indicate strong metabolic associations. Together with our recent findings of elevated basal 2-AG levels in dependent cocaine users, present results indicate substance-specific alterations of the ECS that may have implications in the search for novel therapeutic interventions for these populations.
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Affiliation(s)
- Sara L Kroll
- Social and Affective Neuropsychopharmacology, Adult Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland.
- Experimental and Clinical Pharmacopsychology, Adult Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland.
- Neuroscience Center Zurich, University of Zurich and Swiss Federal Institute of Technology, Zurich, Switzerland.
| | - Philip Meier
- Institute of Biochemistry and Molecular Medicine, University of Bern, Bern, Switzerland
| | - Leah M Mayo
- Mathison Centre for Mental Health Research and Education, Hotchkiss Brain Institute, and Department of Psychiatry, University of Calgary, Calgary, AB, Canada
| | - Jürg Gertsch
- Institute of Biochemistry and Molecular Medicine, University of Bern, Bern, Switzerland
| | - Boris B Quednow
- Experimental and Clinical Pharmacopsychology, Adult Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland
- Neuroscience Center Zurich, University of Zurich and Swiss Federal Institute of Technology, Zurich, Switzerland
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143
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Rotarescu RD, Mathur M, Bejoy AM, Anderson GH, Metherel AH. Serum measures of docosahexaenoic acid (DHA) synthesis underestimates whole body DHA synthesis in male and female mice. J Nutr Biochem 2024; 131:109689. [PMID: 38876393 DOI: 10.1016/j.jnutbio.2024.109689] [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: 04/28/2024] [Revised: 06/06/2024] [Accepted: 06/09/2024] [Indexed: 06/16/2024]
Abstract
Females have higher docosahexaenoic acid (DHA) levels than males, proposed to be a result of higher DHA synthesis rates from α-linolenic acid (ALA). However, DHA synthesis rates are reported to be low, and have not been directly compared between sexes. Here, we apply a new compound specific isotope analysis model to determine n-3 PUFA synthesis rates in male and female mice and assess its potential translation to human populations. Male and female C57BL/6N mice were allocated to one of three 12-week dietary interventions with added ALA, eicosapentaenoic acid (EPA) or DHA. The diets included low carbon-13 (δ13C)-n-3 PUFA for four weeks, followed by high δ13C-n-3 PUFA for eight weeks (n=4 per diet, time point, sex). Following the diet switch, blood and tissues were collected at multiple time points, and fatty acid levels and δ13C were determined and fit to one-phase exponential decay modeling. Hepatic DHA synthesis rates were not different (P>.05) between sexes. However, n-3 docosapentaenoic acid (DPAn-3) synthesis from dietary EPA was 66% higher (P<.05) in males compared to females, suggesting higher synthesis downstream of DPAn-3 in females. Estimates of percent conversion of dietary ALA to serum DHA was 0.2%, in line with previous rodent and human estimates, but severely underestimates percent dietary ALA conversion to whole body DHA of 9.5%. Taken together, our data indicates that reports of low human DHA synthesis rates may be inaccurate, with synthesis being much higher than previously believed. Future animal studies and translation of this model to humans are needed for greater understanding of n-3 PUFA synthesis and metabolism, and whether the higher-than-expected ALA-derived DHA can offset dietary DHA recommendations set by health agencies.
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Affiliation(s)
- Ruxandra D Rotarescu
- Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, 1 King's College Circle, Toronto, Ontario, Canada
| | - Mahima Mathur
- Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, 1 King's College Circle, Toronto, Ontario, Canada
| | - Ashley M Bejoy
- Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, 1 King's College Circle, Toronto, Ontario, Canada
| | - G Harvey Anderson
- Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, 1 King's College Circle, Toronto, Ontario, Canada
| | - Adam H Metherel
- Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, 1 King's College Circle, Toronto, Ontario, Canada.
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Liu YN, Zhu HX, Li TY, Yang X, Li XJ, Zhang WK. Lipid nanoparticle encapsulated oleic acid induced lipotoxicity to hepatocytes via ROS overload and the DDIT3/BCL2/BAX/Caspases signaling in vitro and in vivo. Free Radic Biol Med 2024; 222:361-370. [PMID: 38945456 DOI: 10.1016/j.freeradbiomed.2024.06.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Revised: 06/24/2024] [Accepted: 06/28/2024] [Indexed: 07/02/2024]
Abstract
BACKGROUND To date, Non-alcoholic fatty liver disease (NAFLD) is one of the most common liver disease associated with clinical complications. Dietary fatty acids have been suggested to be involved in preventing or reversing the accumulation of hepatic fat. However, contradicting roles of monounsaturated fatty acids to the liver have been implicated in various human and murine models, mainly due to the insolubility nature of fatty acids. METHODS High pressure homogenization methods were used to fabricate oleic acid embedded lipid nanoparticles (OALNs). The in vitro and in vivo models were used to validate the physiological effect of this OALNs via various cellular and molecular approaches including cell viability essay, fluorescent staining, electron microscope, RNAseq, qPCR, Western blots, and IHC staining. RESULTS We successfully fabricated OALNs with enhanced stability and solubility. More importantly, lipid accumulation was successfully induced in hepatocytes via the application of OALNs in a dose-dependent manner. Overload of OALNs resulted in ROS accumulation and apoptosis of hepatocytes dose-dependently. With the help of transcriptome sequencing and traditional experimental approaches, we demonstrated that the lipotoxic effect induced by OALNs was exerted via the DDIT3/BCL2/BAX/Caspases signaling. Moreover, we also verified that OALNs induced steatosis and subsequent apoptosis in the liver of mice via the activation of DDIT3 in vivo. CONCLUSIONS In all, our results established a potential pathogenic model of NAFLD for further studies and indicated the possible involvement of DDIT3 signaling in abnormal steatosis process of the liver.
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Affiliation(s)
- Ya-Nan Liu
- School of Pharmaceutical Sciences, South-Central Minzu University, No 182 Minzu Avenue, Wuhan, 430064, China.
| | - Hong-Xia Zhu
- Guangzhou National Laboratory, No. 9 XingDaoHuanBei Road, Guangzhou International Bio Island, Guangzhou, 510005, Guangdong Province, China.
| | - Tao-Yu Li
- Guangzhou National Laboratory, No. 9 XingDaoHuanBei Road, Guangzhou International Bio Island, Guangzhou, 510005, Guangdong Province, China.
| | - Xinzhou Yang
- School of Pharmaceutical Sciences, South-Central Minzu University, No 182 Minzu Avenue, Wuhan, 430064, China.
| | - Xiao-Jun Li
- School of Pharmaceutical Sciences, South-Central Minzu University, No 182 Minzu Avenue, Wuhan, 430064, China.
| | - Wei Kevin Zhang
- Guangzhou National Laboratory, No. 9 XingDaoHuanBei Road, Guangzhou International Bio Island, Guangzhou, 510005, Guangdong Province, China.
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145
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Xiang Q, Wen J, Zhou Z, Dai Q, Huang Y, Yang N, Guo J, Zhang J, Ren F, Zhou X, Rao C, Chen Y. Effect of hydroxy-α-sanshool on lipid metabolism in liver and hepatocytes based on AMPK signaling pathway. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 132:155849. [PMID: 38964152 DOI: 10.1016/j.phymed.2024.155849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Revised: 05/30/2024] [Accepted: 06/26/2024] [Indexed: 07/06/2024]
Abstract
BACKGROUND With the increasing awareness of the safety of traditional Chinese medicine and food, as well as in-depth studies on the pharmacological activity and toxicity of Zanthoxylum armatum DC. (ZADC), it has been found that ZADC is hepatotoxic. However, the toxic substance basis and mechanism of action have not been fully elucidated. Hydroxy-α-sanshool (HAS) belongs to an amide compound in the fruits of ZADC, which may be hepatotoxic. However, the specific effects of HAS, including liver toxicity, are unclear. PURPOSE The objectives of this research was to determine how HAS affects hepatic lipid metabolism, identify the mechanism underlying the accumulation of liver lipids by HAS, and offer assurances on the safe administration of HAS. METHODS An in vivo experiment was performed by gavaging C57 BL/6 J mice with various dosages of HAS (5, 10, and 20 mg/kg). Biochemical indexes were measured, and histological analysis was performed to evaluate HAS hepatotoxicity. Hepatic lipid levels were determined using lipid indices and oil red O (ORO) staining. Intracellular lipid content were determined by biochemical analyses and ORO staining after treating HepG2 cells with different concentrations of HAS in vitro. Mitochondrial membrane potential, respiratory chain complex enzymes, and ATP levels were assessed by fluorescence labeling of mitochondria. The levels of proteins involved in lipogenesis and catabolism were determined using Western blotting. RESULTS Mice in the HAS group had elevated alanine and aspartate aminotransferase blood levels as well as increased liver index compared with the controls. The pathological findings showed hepatocellular necrosis. Serum and liver levels of triglycerides, total cholesterol, and low-density lipoprotein cholesterol levels were increased, whereas high-density lipoprotein cholesterol levels decreased. The ORO staining findings demonstrated elevated liver lipid levels. In vitro experiments demonstrated a notable elevation in triglyceride and total cholesterol levels in the HAS group. ATP, respiratory chain complex enzyme gene expression, mitochondrial membrane potential, and mitochondrial number were reduced in the HAS group. The levels of lipid synthesis-associated proteins (ACC, FASN, and SREBP-1c) were increased, and lipid catabolism-associated protein levels (PPARα and CPT1) and the p-AMPK/AMPK ratio were decreased in vivo and in vitro. CONCLUSION HAS has hepatotoxic effects, which can induce fatty acid synthesis and mitochondrial function damage by inhibiting the AMPK signaling pathway, resulting in aberrant lipid increases.
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Affiliation(s)
- Qiwen Xiang
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Jiayu Wen
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Zhihui Zhou
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Qiuju Dai
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Yan Huang
- State Key Laboratory of Traditional Chinese Medicine Resources in Southwest China, Chengdu 611137, China
| | - Nannan Yang
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Jiafu Guo
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Jian Zhang
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Fajian Ren
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Xinyi Zhou
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Chaolong Rao
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; State Key Laboratory of Traditional Chinese Medicine Resources in Southwest China, Chengdu 611137, China; R&D Center for Efficiency, Safety and Application in Chinese Materia Medica with Medical and Edible Values, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China.
| | - Yan Chen
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; State Key Laboratory of Traditional Chinese Medicine Resources in Southwest China, Chengdu 611137, China; R&D Center for Efficiency, Safety and Application in Chinese Materia Medica with Medical and Edible Values, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China.
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Cabral G, Moss WJ, Brown KM. Proteomic approaches for protein kinase substrate identification in Apicomplexa. Mol Biochem Parasitol 2024; 259:111633. [PMID: 38821187 PMCID: PMC11194964 DOI: 10.1016/j.molbiopara.2024.111633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 05/10/2024] [Accepted: 05/28/2024] [Indexed: 06/02/2024]
Abstract
Apicomplexa is a phylum of protist parasites, notable for causing life-threatening diseases including malaria, toxoplasmosis, cryptosporidiosis, and babesiosis. Apicomplexan pathogenesis is generally a function of lytic replication, dissemination, persistence, host cell modification, and immune subversion. Decades of research have revealed essential roles for apicomplexan protein kinases in establishing infections and promoting pathogenesis. Protein kinases modify their substrates by phosphorylating serine, threonine, tyrosine, or other residues, resulting in rapid functional changes in the target protein. Post-translational modification by phosphorylation can activate or inhibit a substrate, alter its localization, or promote interactions with other proteins or ligands. Deciphering direct kinase substrates is crucial to understand mechanisms of kinase signaling, yet can be challenging due to the transient nature of kinase phosphorylation and potential for downstream indirect phosphorylation events. However, with recent advances in proteomic approaches, our understanding of kinase function in Apicomplexa has improved dramatically. Here, we discuss methods that have been used to identify kinase substrates in apicomplexan parasites, classifying them into three main categories: i) kinase interactome, ii) indirect phosphoproteomics and iii) direct labeling. We briefly discuss each approach, including their advantages and limitations, and highlight representative examples from the Apicomplexa literature. Finally, we conclude each main category by introducing prospective approaches from other fields that would benefit kinase substrate identification in Apicomplexa.
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Affiliation(s)
- Gabriel Cabral
- Department of Microbiology and Immunology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - William J Moss
- Department of Microbiology and Immunology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Kevin M Brown
- Department of Microbiology and Immunology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.
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147
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Tan L, Otsuki K, Kikuchi T, Zhou D, Li N, Huang L, Chen CH, Li W. Daphnane diterpenoid orthoesters with an odd-numbered aliphatic side chain from Daphne pedunculata. J Nat Med 2024; 78:901-907. [PMID: 38780746 DOI: 10.1007/s11418-024-01826-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Accepted: 05/19/2024] [Indexed: 05/25/2024]
Abstract
Daphnane diterpenoids were recognized for their extensive range of potent biological activities. In the present study, phytochemical investigation including LC-MS/MS analysis resulted in the identification of five daphnane diterpenoid orthoesters (1-5). Among the five daphnane diterpenoids, two previously unreported compounds, daphnepedunins I and J (2 and 4) were isolated from Daphne pedunculata. The structure of new compounds was elucidated with extensive physicochemical and spectroscopic analyses. Their structure was characterized by the presence of an unusual odd-numbered aliphatic chain connected to an orthoester. The isolated compounds were evaluated for their anti-HIV activity against HIV-1 infection of MT4 cells, and the results indicated that compound 1 showed the most potent anti-HIV activity with an IC50 value of 0.82 nM.
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Affiliation(s)
- Lingjian Tan
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba, 274-8510, Japan
| | - Kouharu Otsuki
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba, 274-8510, Japan.
| | - Takashi Kikuchi
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba, 274-8510, Japan
| | - Di Zhou
- School of Traditional Chinese Materia Medica, Key Laboratory of Innovative Traditional Chinese Medicine for Major Chronic Diseases of Liaoning Province, Key Laboratory for TCM Material Basis Study and Innovative, Drug Development of Shenyang City, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China
| | - Ning Li
- School of Traditional Chinese Materia Medica, Key Laboratory of Innovative Traditional Chinese Medicine for Major Chronic Diseases of Liaoning Province, Key Laboratory for TCM Material Basis Study and Innovative, Drug Development of Shenyang City, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China
| | - Li Huang
- Surgical Sciences, Department of Surgery, Duke University Medical Center, Durham, NC, 27710, USA
| | - Chin-Ho Chen
- Surgical Sciences, Department of Surgery, Duke University Medical Center, Durham, NC, 27710, USA
| | - Wei Li
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba, 274-8510, Japan.
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148
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Leconte A, Jacquin J, Duban M, Deweer C, Trapet P, Laruelle F, Farce A, Compère P, Sahmer K, Fiévet V, Hoste A, Siah A, Lounès-Hadj Sahraoui A, Jacques P, Coutte F, Deleu M, Muchembled J. Deciphering the mechanisms involved in reduced sensitivity to azoles and fengycin lipopeptide in Venturia inaequalis. Microbiol Res 2024; 286:127816. [PMID: 38964072 DOI: 10.1016/j.micres.2024.127816] [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: 04/23/2024] [Revised: 06/06/2024] [Accepted: 06/20/2024] [Indexed: 07/06/2024]
Abstract
Apple scab, caused by the hemibiotrophic fungus Venturia inaequalis, is currently the most common and damaging disease in apple orchards. Two strains of V. inaequalis (S755 and Rs552) with different sensitivities to azole fungicides and the bacterial metabolite fengycin were compared to determine the mechanisms responsible for these differences. Antifungal activity tests showed that Rs552 had reduced sensitivity to tebuconazole and tetraconazole, as well as to fengycin alone or in a binary mixture with other lipopeptides (iturin A, pumilacidin, lichenysin). S755 was highly sensitive to fengycin, whose activity was close to that of tebuconazole. Unlike fengycin, lipopeptides from the iturin family (mycosubtilin, iturin A) had similar activity on both strains, while those from the surfactin family (lichenysin, pumilacidin) were not active, except in binary mixtures with fengycin. The activity of lipopeptides varies according to their family and structure. Analyses to determine the difference in sensitivity to azoles (which target the CYP51 enzyme involved in the ergosterol biosynthesis pathway) showed that the reduced sensitivity in Rs552 is linked to (i) a constitutive increased expression of the Cyp51A gene caused by insertions in the upstream region and (ii) greater efflux by membrane pumps with the involvement of ABC transporters. Microscopic observations revealed that fengycin, known to interact with plasma membranes, induced morphological and cytological changes in cells from both strains. Sterol and phospholipid analyses showed a higher level of ergosta-7,22-dien-3-ol and a lower level of PI(C16:0/C18:1) in Rs552 compared with S755. These differences could therefore influence the composition of the plasma membrane and explain the differential sensitivity of the strains to fengycin. However, the similar antifungal activities of mycosubtilin and iturin A in the two strains indirectly indicate that sterols are probably not involved in the fengycin resistance mechanism. This leads to the conclusion that different mechanisms are responsible for the difference in susceptibility to azoles or fengycin in the strains studied.
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Affiliation(s)
- Aline Leconte
- JUNIA, UMRt BioEcoAgro 1158-INRAE, Plant Secondary Metabolites Team, Charles Viollette Institute, Lille F-59000, France; University of Lille, UMRt BioEcoAgro 1158-INRAE, Microbial Secondary Metabolites team, Charles Viollette Institute, Lille F-59000, France; University of Liège, UMRt BioEcoAgro 1158-INRAE, Microbial Secondary Metabolites team, TERRA Teaching and Research Centre, Gembloux Agro-Bio Tech, Gembloux B-5030, Belgium
| | - Justine Jacquin
- JUNIA, UMRt BioEcoAgro 1158-INRAE, Plant Secondary Metabolites Team, Charles Viollette Institute, Lille F-59000, France
| | - Matthieu Duban
- University of Lille, UMRt BioEcoAgro 1158-INRAE, Microbial Secondary Metabolites team, Charles Viollette Institute, Lille F-59000, France
| | - Caroline Deweer
- JUNIA, UMRt BioEcoAgro 1158-INRAE, Plant Secondary Metabolites Team, Charles Viollette Institute, Lille F-59000, France
| | - Pauline Trapet
- JUNIA, UMRt BioEcoAgro 1158-INRAE, Plant Secondary Metabolites Team, Charles Viollette Institute, Lille F-59000, France
| | - Frédéric Laruelle
- Unité de Chimie Environnementale et Interactions sur le Vivant (EA 4492), Université Littoral Côte d'Opale, CEDEX CS 80699, Calais 62228, France
| | - Amaury Farce
- Université Lille, Inserm, CHU Lille, U1286 - INFINITE - Institut de recherche translationnelle sur l'inflammation, Lille F-59000, France
| | - Philippe Compère
- Laboratoire de morphologie fonctionnelle et évolutive, UR FOCUS, and Centre de recherche appliquée et d'enseignement en microscopie (CAREM), Université de Liège, Liège, Belgium
| | - Karin Sahmer
- Université Lille, IMT Lille Douai, Univ. Artois, JUNIA, ULR 4515 - LGCgE, Laboratoire de Génie Civil et geo-Environnement, Lille F-59000, France
| | - Valentin Fiévet
- JUNIA, UMRt BioEcoAgro 1158-INRAE, Plant Secondary Metabolites Team, Charles Viollette Institute, Lille F-59000, France
| | - Alexis Hoste
- University of Liège, UMRt BioEcoAgro 1158-INRAE, Microbial Secondary Metabolites team, TERRA Teaching and Research Centre, Gembloux Agro-Bio Tech, Gembloux B-5030, Belgium
| | - Ali Siah
- JUNIA, UMRt BioEcoAgro 1158-INRAE, Plant Secondary Metabolites Team, Charles Viollette Institute, Lille F-59000, France
| | - Anissa Lounès-Hadj Sahraoui
- Unité de Chimie Environnementale et Interactions sur le Vivant (EA 4492), Université Littoral Côte d'Opale, CEDEX CS 80699, Calais 62228, France
| | - Philippe Jacques
- University of Liège, UMRt BioEcoAgro 1158-INRAE, Microbial Secondary Metabolites team, TERRA Teaching and Research Centre, Gembloux Agro-Bio Tech, Gembloux B-5030, Belgium
| | - François Coutte
- University of Lille, UMRt BioEcoAgro 1158-INRAE, Microbial Secondary Metabolites team, Charles Viollette Institute, Lille F-59000, France
| | - Magali Deleu
- University of Liège, UMRt BioEcoAgro 1158-INRAE, Microbial Secondary Metabolites team, TERRA Teaching and Research Centre, Gembloux Agro-Bio Tech, Gembloux B-5030, Belgium
| | - Jérôme Muchembled
- JUNIA, UMRt BioEcoAgro 1158-INRAE, Plant Secondary Metabolites Team, Charles Viollette Institute, Lille F-59000, France.
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149
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Li B, Li H, Su S, Shi M, Qin S, Zeng C. Enhanced bioaccessibility of interfacial delivered oleanolic acid through self-constructed Pickering emulsion: Effects of oil types. Food Res Int 2024; 191:114708. [PMID: 39059961 DOI: 10.1016/j.foodres.2024.114708] [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: 04/10/2024] [Revised: 06/14/2024] [Accepted: 06/26/2024] [Indexed: 07/28/2024]
Abstract
Pentacyclic triterpenes have attracted much attention because of their many bioactivities, but their bioaccessibility is low. Oleanolic acid (OA) was used in this study as a typical edible pentacyclic triterpene. In this work, we proposed an OA interfacial delivery model based on W/O Pickering emulsion, and investigated the effects of different oil types on the emulsion properties and OA bioaccessibility of the OA W/O Pickering emulsion interfacial delivery system (EIDS). Medium chain triglyceride (MCT), long chain triglycerides (LCT) and MCT/LCT (1:1, w/w) were selected as carrier oils for the preparation of emulsions, respectively. The results showed that the emulsions formed from LCT had smaller particle sizes, which increased the deformation resistance of the emulsions and exhibited good stability during the simulated in vitro digestion. The extent of free fatty acid (FFA) release during oil digestion was MCT (103.32 ± 3.74 %) > M/L (97.89 ± 2.89 %) > LCT (71.41 ± 6.64 %). Of interest, the bioaccessibility of OA was influenced by the carrier oil: LCT (59.34 ± 2.55 %) > M/L (47.35 ± 6.25 %) > MCT (13.11 ± 1.40 %) > PBS (7.11 ± 1.74 %), and such a difference was mainly attributed to the greater solubilisation of OA in mixed micelles consisting of long-chain fatty acids. In summary, the size of hydrophobic domains in the mixed micelles produced a greater effect than the effect of FFA release on OA bioaccessibility. This study provides a theoretical basis for the interfacial delivery of OA and the enhancement of OA bioaccessibility based on W/O Pickering emulsions with different oil types.
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Affiliation(s)
- Benyang Li
- Department of Food Science and Technology, College of Food Science and Technology, Hunan Agricultural University, No. 1 Nongda Road, Furong District, Changsha, Hunan 410128, China.
| | - Haiyan Li
- Department of Food Science and Technology, College of Food Science and Technology, Hunan Agricultural University, No. 1 Nongda Road, Furong District, Changsha, Hunan 410128, China.
| | - Shuxian Su
- Department of Food Science and Technology, College of Food Science and Technology, Hunan Agricultural University, No. 1 Nongda Road, Furong District, Changsha, Hunan 410128, China.
| | - Meng Shi
- Department of Food Science and Technology, College of Food Science and Technology, Hunan Agricultural University, No. 1 Nongda Road, Furong District, Changsha, Hunan 410128, China.
| | - Si Qin
- Department of Food Science and Technology, College of Food Science and Technology, Hunan Agricultural University, No. 1 Nongda Road, Furong District, Changsha, Hunan 410128, China.
| | - Chaoxi Zeng
- Department of Food Science and Technology, College of Food Science and Technology, Hunan Agricultural University, No. 1 Nongda Road, Furong District, Changsha, Hunan 410128, China; Hunan Rapeseed Oil Nutrition Health and Deep Development Engineering Technology Research Center, Hunan Agricultural University, No. 1 Nongda Road, Furong District, Changsha, Hunan 410128, China.
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150
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Nusinovici S, Zhou L, Wang X, Tham YC, Wang X, Wong TY, Chakravarthy U, Cheng CY. Contributions of Lipid-Related Metabolites and Complement Proteins to Early and Intermediate Age-Related Macular Degeneration. OPHTHALMOLOGY SCIENCE 2024; 4:100538. [PMID: 39051044 PMCID: PMC11268342 DOI: 10.1016/j.xops.2024.100538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/08/2024] [Accepted: 04/19/2024] [Indexed: 07/27/2024]
Abstract
Objective Our objective was to determine the effects of lipids and complement proteins on early and intermediate age-related macular degeneration (AMD) stages using machine learning models by integrating metabolomics and proteomic data. Design Nested case-control study. Subjects and Controls The analyses were performed in a subset of the Singapore Indian Chinese Cohort (SICC) Eye Study. Among the 6753 participants, we randomly selected 155 Indian and 155 Chinese cases of AMD and matched them with 310 controls on age, sex, and ethnicity. Methods We measured 35 complement proteins and 56 lipids using mass spectrometry and nuclear magnetic resonance, respectively. We first selected the most contributing lipids and complement proteins to early and intermediate AMD using random forest models. Then, we estimated their effects using a multinomial model adjusted for potential confounders. Main Outcome Measures Age-related macular degeneration was classified using the Beckman classification system. Results Among the 310 individuals with AMD, 166 (53.5%) had early AMD, and 144 (46.5%) had intermediate AMD. First, high-density lipoprotein (HDL) particle diameter was positively associated with both early and intermediate AMD (odds ratio [OR]early = 1.69; 95% confidence interval [CI],1.11-2.55 and ORintermediate = 1.72; 95% CI, 1.11-2.66 per 1-standard deviation increase in HDL diameter). Second, complement protein 2 (C2), complement C1 inhibitor (IC1), complement protein 6 (C6), complement protein 1QC (C1QC) and complement factor H-related protein 1 (FHR1), were associated with AMD. C2 was positively associated with both early and intermediate AMD (ORearly = 1.58; 95% CI, 1.08-2.30 and ORintermediate = 1.56; 95% CI, 1.04-2.34). C6 was positively (ORearly = 1.41; 95% CI, 1.03-1.93) associated with early AMD. However, IC1 was negatively associated with early AMD (ORearly = 0.62; 95% CI, 0.38-0.99), whereas C1QC (ORintermediate = 0.63; 95% CI, 0.42-0.93) and FHR1 (ORintermediate = 0.73; 95% CI, 0.54-0.98) were both negatively associated with intermediate AMD. Conclusions Although both HDL diameter and C2 levels show associations with both early and intermediate AMD, dysregulations of IC1, C6, C1QC, and FHR1 are only observed at specific stages of AMD. These findings underscore the complexity of complement system dysregulation in AMD, which appears to vary depending on the disease severity. Financial Disclosures The authors have no proprietary or commercial interest in any materials discussed in this article.
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Affiliation(s)
- Simon Nusinovici
- Singapore Eye Research Institute, Singapore National Eye Centre, Singapore
- Ophthalmology & Visual Sciences Academic Clinical Program (Eye ACP), Duke-NUS Medical School, Singapore
| | - Lei Zhou
- School of Optometry; Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong
| | - Xinyue Wang
- School of Optometry; Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong
| | - Yih Chung Tham
- Singapore Eye Research Institute, Singapore National Eye Centre, Singapore
- Ophthalmology & Visual Sciences Academic Clinical Program (Eye ACP), Duke-NUS Medical School, Singapore
| | - Xiaomeng Wang
- Singapore Eye Research Institute, Singapore National Eye Centre, Singapore
- Ophthalmology & Visual Sciences Academic Clinical Program (Eye ACP), Duke-NUS Medical School, Singapore
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A∗STAR), Singapore
| | - Tien Yin Wong
- Singapore Eye Research Institute, Singapore National Eye Centre, Singapore
- Ophthalmology & Visual Sciences Academic Clinical Program (Eye ACP), Duke-NUS Medical School, Singapore
- Tsinghua Medicine, Tsinghua University, Beijing, China
| | | | - Ching-Yu Cheng
- Singapore Eye Research Institute, Singapore National Eye Centre, Singapore
- Ophthalmology & Visual Sciences Academic Clinical Program (Eye ACP), Duke-NUS Medical School, Singapore
- Department of Ophthalmology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Centre for Innovation and Precision Eye Health, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
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