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Saisavoey T, Sangtanoo P, Reamtong O, Karnchanatat A. Free radical scavenging and anti-inflammatory potential of a protein hydrolysate derived from salmon bones on RAW 264.7 macrophage cells. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2019; 99:5112-5121. [PMID: 30982967 DOI: 10.1002/jsfa.9755] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 04/09/2019] [Accepted: 04/12/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Salmon bones, a waste by-product from the salmon industry, were used as a protein hydrolysate source for the production of bioactive peptides. The aim of this work was to evaluate the potential antioxidant and anti-inflammatory properties of salmon bone protein hydrolysate (SBPH). RESULTS Salmon bones were hydrolyzed by separately using one of four proteases (Alcalase, Favourzyme, Neutrase and papain) at various concentrations (10, 25 and 50 mg mL-1 ), where the SBPH derived from 10 mg mL-1 papain hydrolysis exhibited the highest nitric oxide (NO) radical scavenging activity. After ultrafiltration, the MW < 0.65 kDa fraction showed the strongest NO inhibitory activity and was further fractionated by gel filtration chromatography (G1 and G2 fractions) and reverse-phase high-performance liquid chromatographic fractionation of the G1 fraction, from which the three main peaks (H1, H2 and H3) were found to have a marked NO-inhibitory activity and their peptide sequences were determined. Moreover, the G1 fraction was shown to inhibit both the lipopolysaccharide (LPS)-induced NO production and the LPS-induced inducible NO synthase , interleukin-6, tumor necrosis factor-α and induced NO production and the LPSCOX-2 mRNA levels in RAW 264.7 cells. CONCLUSIONS Salmon bones from the salmon fisheries and farming industry were utilized by enzymatic hydrolysis for the production of valuable peptides. The results of this study suggested that bioactive peptides derived from salmon bones would be alternative anti-inflammation materials in functional resources. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Tanatorn Saisavoey
- Institute of Biotechnology and Genetic Engineering, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok, Thailand
| | - Papassara Sangtanoo
- Institute of Biotechnology and Genetic Engineering, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok, Thailand
| | - Onrapak Reamtong
- Department of Molecular Tropical Medicine and Genetics, Faculty of Tropical Medicine, Mahidol University, 420/6 Ratchawithi Road, Ratchathewi, Bangkok, Thailand
| | - Aphichart Karnchanatat
- Institute of Biotechnology and Genetic Engineering, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok, Thailand
- Research Unit in Bioconversion/Bioseparation for Value-Added Chemical Production, Institute of Biotechnology and Genetic Engineering, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok, Thailand
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52
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Wang JJ, Zhang QM, Ni WW, Zhang X, Li Y, Li AL, Du P, Li C, Yu SS. Modulatory effect of Lactobacillus acidophilus KLDS 1.0738 on intestinal short-chain fatty acids metabolism and GPR41/43 expression in β-lactoglobulin-sensitized mice. Microbiol Immunol 2019; 63:303-315. [PMID: 31218724 DOI: 10.1111/1348-0421.12723] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 05/20/2019] [Accepted: 06/11/2019] [Indexed: 01/28/2023]
Abstract
We investigated the correlation between the beneficial effect of Lactobacillus acidophilus on gut microbiota composition, metabolic activities, and reducing cow's milk protein allergy. Mice sensitized with β-lactoglobulin (β-Lg) were treated with different doses of L. acidophilus KLDS 1.0738 for 4 weeks, starting 1 week before allergen induction. The results showed that intake of L. acidophilus significantly suppressed the hypersensitivity responses, together with increased fecal microbiota diversity and short-chain fatty acids (SCFAs) concentration (including propionate, butyrate, isobutyrate, and isovalerate) when compared with the allergic group. Moreover, treatment with L. acidophilus induced the expression of SCFAs receptors, G-protein-coupled receptors 41 (GPR41) and 43 (GPR43), in the spleen and colon of the allergic mice. Further analysis revealed that the GPR41 and GPR43 messenger RNA expression both positively correlated with the serum concentrations of transforming growth factor-β and IFN-γ (p < .05), but negatively with the serum concentrations of IL-17, IL-4, and IL-6 in the L. acidophilus-treated group compared with the allergic group (p < .05). These results suggested that L. acidophilus protected against the development of allergic inflammation by improving the intestinal flora, as well as upregulating SCFAs and their receptors GPR41/43.
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Affiliation(s)
- Jun-Juan Wang
- Food Science College, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Qi-Min Zhang
- Food Science College, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Wei-Wei Ni
- Food Science College, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Xin Zhang
- Food Science College, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Ying Li
- Food Science College, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Ai-Li Li
- Food Science College, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Peng Du
- Food Science College, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Chun Li
- Food Science College, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Su-Su Yu
- Food Science College, Northeast Agricultural University, Harbin, Heilongjiang, China
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53
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Zhang X, Wang Y, Li X, Dai Y, Wang Q, Wang G, Liu D, Gu X, Yu D, Ma Y, Zhang C. Treatment Mechanism of Gardeniae Fructus and Its Carbonized Product Against Ethanol-Induced Gastric Lesions in Rats. Front Pharmacol 2019; 10:750. [PMID: 31333466 PMCID: PMC6616308 DOI: 10.3389/fphar.2019.00750] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 06/11/2019] [Indexed: 01/03/2023] Open
Abstract
Gardeniae Fructus (GF) and carbonized GF (GFC) have been shown to exert a gastrointestinal protective effect and are frequently used in clinical practice for the treatment of hemorrhage and brown stool. In this study, we employed a combination of pharmacological methods and metabolomics in a rat model of ethanol-induced acute stomach ulcer to investigate the gastroprotective effect of GF and GFC water extracts and the potential mechanism involved in this process. The levels of nitric oxide (NO) and interleukin 6 (IL-6) in the plasma of rats were determined. The results showed that both GF and GFC reduced the ethanol-induced gastric lesions and expression of NO and IL-6 in these rats. Of note, 16 and 11 feature metabolites were filtered and identified in the GF and GFC groups, respectively. Both GF and GFC act by restoring the biosynthesis of valine, leucine, and isoleucine, and the metabolism of glycerophospholipids. Moreover, histological evaluation revealed that heat processing of GF to create GFC enhanced the gastric mucosa protective effect. Furthermore, heat processing converted the main pathway from alanine, aspartate, and glutamate metabolism, associated with GF, to histidine metabolism, associated with GFC. GF and GFC ameliorated gastric mucosa lesions in rats via reductions in NO production and inflammatory cytokine secretion, and the induction of prostaglandin E2.
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Affiliation(s)
- Xue Zhang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yun Wang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiaoqing Li
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.,College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, China
| | - Yejia Dai
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.,College of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
| | - Qinghao Wang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.,College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, China
| | - Guoyou Wang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.,College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, China
| | - Depeng Liu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.,College of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
| | - Xuezhu Gu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Dingrong Yu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yinlian Ma
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Cun Zhang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.,College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, China.,College of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
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54
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Ouyang Z, Xu G, Jiang Y. l-Cysteine augments microtubule-associated protein 2 levels and enhances antioxidant activity in rats following traumatic brain injury. 3 Biotech 2019; 9:280. [PMID: 31245244 DOI: 10.1007/s13205-019-1805-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 06/09/2019] [Indexed: 01/07/2023] Open
Abstract
l-Cysteine is a well-known sulfur-containing non-essential amino acid that can be oxidized to cysteine, which possesses a variety of pharmacological actions, including antioxidant and anti-inflammatory activities. Traumatic brain injury (TBI) is defined as a closed head injury that leads to temporary alterations in neural function and further leads to pathophysiological processes. In the present study, rats were categorized into sham, control, 100 mg/kg l-cysteine, and 200 mg/kg l-cysteine groups and then the levels of lipid peroxidation, reduced glutathione (GSH), catalase, superoxide dismutase (SOD), reactive oxygen species (ROS), and mRNA and protein expression of microtubule-associated protein 2 (MAP2) were determined. Following supplementation with l-cysteine, there were reductions in lipid peroxidation and ROS levels, whereas catalase, SOD, and GSH levels increased. Additionally, the mRNA expression of MAP2 in the control rats was drastically reduced by 67% compared to the sham rats. However, supplementation with 100 mg/kg of l-cysteine and 200 mg/kg of l-cysteine significantly increased MAP2 mRNA expression by 84.8% and 169.7%, respectively. Similarly, MAP2 protein expression was drastically reduced by 61% in control rats compared to sham rats, but supplementation with 100 mg/kg of l-cysteine and 200 mg/kg of l-cysteine significantly increased MAP2 protein expression by 41% and 94.9%, respectively. Taken together, these data suggest that supplementation with l-cysteine significantly reduced lipid peroxidation and ROS levels, but increased antioxidant levels and the mRNA and protein expression of MAP2 in rats following TBI.
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Affiliation(s)
- Zhu Ouyang
- 1Department of Neurosurgery, The Second Xiangya Hospital of Central South University, Changsha, 410011 Hunan China
| | - Ganqiong Xu
- 2Department of Ultrasound Diagnosis, The Second Xiangya Hospital of Central South University, Changsha, 410011 Hunan China
| | - Yugang Jiang
- 1Department of Neurosurgery, The Second Xiangya Hospital of Central South University, Changsha, 410011 Hunan China
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55
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Jakubczyk A, Szymanowska U, Karaś M, Złotek U, Kowalczyk D. Potential anti-inflammatory and lipase inhibitory peptides generated by in vitro gastrointestinal hydrolysis of heat treated millet grains. CYTA - JOURNAL OF FOOD 2019. [DOI: 10.1080/19476337.2019.1580317] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Anna Jakubczyk
- Department of Biochemistry and Food Chemistry, University of Life Sciences in Lublin, Lublin, Poland
| | - Urszula Szymanowska
- Department of Biochemistry and Food Chemistry, University of Life Sciences in Lublin, Lublin, Poland
| | - Monika Karaś
- Department of Biochemistry and Food Chemistry, University of Life Sciences in Lublin, Lublin, Poland
| | - Urszula Złotek
- Department of Biochemistry and Food Chemistry, University of Life Sciences in Lublin, Lublin, Poland
| | - Dariusz Kowalczyk
- Department of Biochemistry and Food Chemistry, University of Life Sciences in Lublin, Lublin, Poland
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56
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Jia Q, Han Y, Huang P, Woodward NC, Gukasyan J, Kettunen J, Ala‐Korpela M, Anufrieva O, Wang Q, Perola M, Raitakari O, Lehtimäki T, Viikari J, Järvelin M, Boehnke M, Laakso M, Mohlke KL, Fiehn O, Wang Z, Tang WW, Hazen SL, Hartiala JA, Allayee H. Genetic Determinants of Circulating Glycine Levels and Risk of Coronary Artery Disease. J Am Heart Assoc 2019; 8:e011922. [PMID: 31070104 PMCID: PMC6585317 DOI: 10.1161/jaha.119.011922] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 04/10/2019] [Indexed: 02/06/2023]
Abstract
Background Recent studies have revealed sexually dimorphic associations between the carbamoyl-phosphate synthase 1 locus, intermediates of the metabolic pathway leading from choline to urea, and risk of coronary artery disease ( CAD ) in women. Based on evidence from the literature, the atheroprotective association with carbamoyl-phosphate synthase 1 could be mediated by the strong genetic effect of this locus on increased circulating glycine levels. Methods and Results We sought to identify additional genetic determinants of circulating glycine levels by carrying out a meta-analysis of genome-wide association study data in up to 30 118 subjects of European ancestry. Mendelian randomization and other analytical approaches were used to determine whether glycine-associated variants were associated with CAD and traditional risk factors. Twelve loci were significantly associated with circulating glycine levels, 7 of which were not previously known to be involved in glycine metabolism ( ACADM , PHGDH , COX 18- ADAMTS 3, PSPH , TRIB 1, PTPRD , and ABO ). Glycine-raising alleles at several loci individually exhibited directionally consistent associations with decreased risk of CAD . However, these effects could not be attributed directly to glycine because of associations with other CAD -related traits. By comparison, genetic models that only included the 2 variants directly involved in glycine degradation and for which there were no other pleiotropic associations were not associated with risk of CAD or blood pressure, lipid levels, and obesity-related traits. Conclusions These results provide additional insight into the genetic architecture of glycine metabolism, but do not yield conclusive evidence for a causal relationship between circulating levels of this amino acid and risk of CAD in humans.
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Affiliation(s)
- Qiong Jia
- Department of Preventive MedicineKeck School of Medicine, University of Southern CaliforniaLos AngelesCA
- Department of Biochemistry & Molecular MedicineKeck School of Medicine, University of Southern CaliforniaLos AngelesCA
| | - Yi Han
- Department of Preventive MedicineKeck School of Medicine, University of Southern CaliforniaLos AngelesCA
- Department of Biochemistry & Molecular MedicineKeck School of Medicine, University of Southern CaliforniaLos AngelesCA
| | - Pin Huang
- Department of Preventive MedicineKeck School of Medicine, University of Southern CaliforniaLos AngelesCA
- Department of Biochemistry & Molecular MedicineKeck School of Medicine, University of Southern CaliforniaLos AngelesCA
- Xiangya School of MedicineCentral South UniversityHunanChina
| | - Nicholas C. Woodward
- Department of Preventive MedicineKeck School of Medicine, University of Southern CaliforniaLos AngelesCA
- Department of Biochemistry & Molecular MedicineKeck School of Medicine, University of Southern CaliforniaLos AngelesCA
| | - Janet Gukasyan
- Department of Preventive MedicineKeck School of Medicine, University of Southern CaliforniaLos AngelesCA
- Department of Biochemistry & Molecular MedicineKeck School of Medicine, University of Southern CaliforniaLos AngelesCA
| | - Johannes Kettunen
- Computational MedicineFaculty of MedicineUniversity of Oulu and Biocenter OuluOuluFinland
- National Institute for Health and WelfareHelsinkiFinland
| | - Mika Ala‐Korpela
- Computational MedicineFaculty of MedicineUniversity of Oulu and Biocenter OuluOuluFinland
- Systems EpidemiologyBaker Heart and Diabetes InstituteMelbourneVictoriaAustralia
- NMR Metabolomics LaboratorySchool of PharmacyUniversity of Eastern FinlandKuopioFinland
- Population Health ScienceBristol Medical SchoolUniversity of BristolUnited Kingdom
- Medical Research Council Integrative Epidemiology Unit at the University of BristolUnited Kingdom
- Department of Epidemiology and Preventive MedicineSchool of Public Health and Preventive MedicineFaculty of MedicineNursing and Health SciencesThe Alfred HospitalMonash UniversityMelbourneVictoriaAustralia
| | - Olga Anufrieva
- Computational MedicineFaculty of MedicineUniversity of Oulu and Biocenter OuluOuluFinland
| | - Qin Wang
- Computational MedicineFaculty of MedicineUniversity of Oulu and Biocenter OuluOuluFinland
- Systems EpidemiologyBaker Heart and Diabetes InstituteMelbourneVictoriaAustralia
| | - Markus Perola
- National Institute for Health and WelfareHelsinkiFinland
- Estonian Genome CenterUniversity of TartuEstonia
- Institute for Molecular Medicine (FIMM)University of HelsinkiFinland
| | - Olli Raitakari
- Research Centre of Applied and Preventive Cardiovascular MedicineUniversity of TurkuFinland
- Department of Clinical PhysiologyTurku University HospitalTurkuFinland
| | - Terho Lehtimäki
- Department of Clinical ChemistryFimlab Laboratories and Faculty of Medicine and Health TechnologyFinnish Cardiovascular Research Center–TampereTampere UniversityTampereFinland
| | - Jorma Viikari
- Department of MedicineUniversity of TurkuFinland
- Division of MedicineTurku University HospitalTurkuFinland
| | - Marjo‐Riitta Järvelin
- Computational MedicineFaculty of MedicineUniversity of Oulu and Biocenter OuluOuluFinland
- Department of Epidemiology and BiostatisticsSchool of Public HealthMRC‐PHE Centre for Environment and HealthImperial College LondonLondonUnited Kingdom
- Center for Life Course and Systems EpidemiologyUniversity of OuluFinland
- Unit of Primary CareOulu University HospitalOuluFinland
| | - Michael Boehnke
- Department of Biostatistics and Center for Statistical GeneticsUniversity of MichiganAnn ArborMI
| | - Markku Laakso
- School of MedicineUniversity of Eastern FinlandKuopioFinland
| | - Karen L. Mohlke
- Department of GeneticsUniversity of North CarolinaChapel HillNC
| | | | - Zeneng Wang
- Department of Cardiovascular MedicineCleveland ClinicClevelandOH
| | - W.H. Wilson Tang
- Department of Cardiovascular MedicineCleveland ClinicClevelandOH
- Department of Cellular & Molecular MedicineCleveland ClinicClevelandOH
| | - Stanley L. Hazen
- Genome CenterUniversity of CaliforniaDavisCA
- Department of Cardiovascular MedicineCleveland ClinicClevelandOH
| | - Jaana A. Hartiala
- Department of Preventive MedicineKeck School of Medicine, University of Southern CaliforniaLos AngelesCA
- Department of Biochemistry & Molecular MedicineKeck School of Medicine, University of Southern CaliforniaLos AngelesCA
| | - Hooman Allayee
- Department of Preventive MedicineKeck School of Medicine, University of Southern CaliforniaLos AngelesCA
- Department of Biochemistry & Molecular MedicineKeck School of Medicine, University of Southern CaliforniaLos AngelesCA
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Yang KT, Lin YL, Lin YX, Wang SY, Wu YHS, Chou CH, Fu SG, Chen YC. Protective effects of antioxidant egg-chalaza hydrolysates against chronic alcohol consumption-induced liver steatosis in mice. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2019; 99:2300-2310. [PMID: 30324620 DOI: 10.1002/jsfa.9426] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 09/17/2018] [Accepted: 10/12/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Reactive oxygen species (ROS) overproduction is highly related to some human chronic diseases. There are approximately 400 metric tons of chalazae produced yearly after the processing of the liquid-egg production, which are disposed of as waste. The objectives of this study were to look for the optimal production condition of antioxidant crude chalaza hydrolysates and evaluate the in vivo antioxidant capacity via a chronic alcohol consumption mouse model. RESULTS Antioxidant crude chalaza hydrolysates (CCH-As) could be produced by protease A at 1:100 ratio (w/w) and 0.5 h hydrolytic period. After our analyses, CCH-As were rich in leucine, arginine, phenylalanine, valine, lysine and antioxidant dipeptides (anserine and carnosine), and the major molecular masses were lower than 15 kDa. Regarding protective effects of CCH-As against oxidative damage in alcoholic-liquid-diet-fed mice, alcohol-fed mice had lower (P < 0.05) liver antioxidant capacities, and higher (P < 0.05) liver lipid contents, serum lipid/liver damage indices and IL-1β/IL-6 values. CCH-A supplementation reversed (P < 0.05) liver antioxidant capacities and reduced (P < 0.05) serum/liver lipids in alcohol-fed mice, which may result from increased (P < 0.05) fecal lipid output, upregulated (P < 0.05) fatty acid β-oxidation and downregulated (P < 0.05) lipogenesis in the liver. CONCLUSION Taken together, this CCH-A should benefit the liquid-egg industry, while also offering consumers a choice of healthy ingredients from animal sources. © 2018 Society of Chemical Industry.
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Affiliation(s)
- Kuo-Tai Yang
- Department of Animal Science, National Pingtung University of Science and Technology, Pingtung, Taiwan
| | - Yi-Ling Lin
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan
| | - Yu-Xuan Lin
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan
| | - Sheng-Yao Wang
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan
| | - Yi-Hsieng S Wu
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan
| | - Chung-Hsi Chou
- School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan
- Zoonoses Research Center, National Taiwan University, Taipei, Taiwan
| | - Shih-Guei Fu
- Department of Applied Life Science and Health, Chia Nan University of Pharmacy & Science, Tainan, Taiwan
| | - Yi-Chen Chen
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan
- Zoonoses Research Center, National Taiwan University, Taipei, Taiwan
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58
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Hookworm-Derived Metabolites Suppress Pathology in a Mouse Model of Colitis and Inhibit Secretion of Key Inflammatory Cytokines in Primary Human Leukocytes. Infect Immun 2019; 87:IAI.00851-18. [PMID: 30670556 DOI: 10.1128/iai.00851-18] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 01/15/2019] [Indexed: 12/13/2022] Open
Abstract
Iatrogenic hookworm therapy shows promise for treating disorders that result from a dysregulated immune system, including inflammatory bowel disease (IBD). Using a murine model of trinitrobenzenesulfonic acid-induced colitis and human peripheral blood mononuclear cells, we demonstrated that low-molecular-weight metabolites derived from both somatic extracts (LMWM-SE) and excretory-secretory products (LMWM-ESP) of the hookworm, Ancylostoma caninum, display anti-inflammatory properties. Administration to mice of LMWM-ESP as well as sequentially extracted fractions of LMWM-SE using both methanol (SE-MeOH) and hexane-dichloromethane-acetonitrile (SE-HDA) resulted in significant protection against T cell-mediated immunopathology, clinical signs of colitis, and impaired histological colon architecture. To assess bioactivity in human cells, we stimulated primary human leukocytes with lipopolysaccharide in the presence of hookworm extracts and showed that SE-HDA suppressed ex vivo production of inflammatory cytokines. Gas chromatography-mass spectrometry (MS) and liquid chromatography-MS analyses revealed the presence of 46 polar metabolites, 22 fatty acids, and five short-chain fatty acids (SCFAs) in the LMWM-SE fraction and 29 polar metabolites, 13 fatty acids, and six SCFAs in the LMWM-ESP fraction. Several of these small metabolites, notably the SCFAs, have been previously reported to have anti-inflammatory properties in various disease settings, including IBD. This is the first report showing that hookworms secrete small molecules with both ex vivo and in vivo anti-inflammatory bioactivity, and this warrants further exploration as a novel approach to the development of anti-inflammatory drugs inspired by coevolution of gut-dwelling hookworms with their vertebrate hosts.
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Schwentner A, Feith A, Münch E, Stiefelmaier J, Lauer I, Favilli L, Massner C, Öhrlein J, Grund B, Hüser A, Takors R, Blombach B. Modular systems metabolic engineering enables balancing of relevant pathways for l-histidine production with Corynebacterium glutamicum. BIOTECHNOLOGY FOR BIOFUELS 2019; 12:65. [PMID: 30962820 PMCID: PMC6432763 DOI: 10.1186/s13068-019-1410-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 03/14/2019] [Indexed: 05/30/2023]
Abstract
BACKGROUND l-Histidine biosynthesis is embedded in an intertwined metabolic network which renders microbial overproduction of this amino acid challenging. This is reflected in the few available examples of histidine producers in literature. Since knowledge about the metabolic interplay is limited, we systematically perturbed the metabolism of Corynebacterium glutamicum to gain a holistic understanding in the metabolic limitations for l-histidine production. We, therefore, constructed C. glutamicum strains in a modularized metabolic engineering approach and analyzed them with LC/MS-QToF-based systems metabolic profiling (SMP) supported by flux balance analysis (FBA). RESULTS The engineered strains produced l-histidine, equimolar amounts of glycine, and possessed heavily decreased intracellular adenylate concentrations, despite a stable adenylate energy charge. FBA identified regeneration of ATP from 5-aminoimidazole-4-carboxamide ribonucleotide (AICAR) as crucial step for l-histidine production and SMP identified strong intracellular accumulation of inosine monophosphate (IMP) in the engineered strains. Energy engineering readjusted the intracellular IMP and ATP levels to wild-type niveau and reinforced the intrinsic low ATP regeneration capacity to maintain a balanced energy state of the cell. SMP further indicated limitations in the C1 supply which was overcome by expression of the glycine cleavage system from C. jeikeium. Finally, we rerouted the carbon flux towards the oxidative pentose phosphate pathway thereby further increasing product yield to 0.093 ± 0.003 mol l-histidine per mol glucose. CONCLUSION By applying the modularized metabolic engineering approach combined with SMP and FBA, we identified an intrinsically low ATP regeneration capacity, which prevents to maintain a balanced energy state of the cell in an l-histidine overproduction scenario and an insufficient supply of C1 units. To overcome these limitations, we provide a metabolic engineering strategy which constitutes a general approach to improve the production of ATP and/or C1 intensive products.
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Affiliation(s)
- Andreas Schwentner
- Institute of Biochemical Engineering, University of Stuttgart, Allmandring 31, 70569 Stuttgart, Germany
| | - André Feith
- Institute of Biochemical Engineering, University of Stuttgart, Allmandring 31, 70569 Stuttgart, Germany
| | - Eugenia Münch
- Institute of Biochemical Engineering, University of Stuttgart, Allmandring 31, 70569 Stuttgart, Germany
| | - Judith Stiefelmaier
- Institute of Biochemical Engineering, University of Stuttgart, Allmandring 31, 70569 Stuttgart, Germany
| | - Ira Lauer
- Institute of Biochemical Engineering, University of Stuttgart, Allmandring 31, 70569 Stuttgart, Germany
| | - Lorenzo Favilli
- Institute of Biochemical Engineering, University of Stuttgart, Allmandring 31, 70569 Stuttgart, Germany
| | - Christoph Massner
- Institute of Biochemical Engineering, University of Stuttgart, Allmandring 31, 70569 Stuttgart, Germany
| | | | - Bastian Grund
- Evonik Creavis GmbH, Paul-Baumann-Straße 1, 45772 Marl, Germany
| | - Andrea Hüser
- Evonik Nutrition & Care GmbH, Kantstraße 2, 33790 Halle, Germany
| | - Ralf Takors
- Institute of Biochemical Engineering, University of Stuttgart, Allmandring 31, 70569 Stuttgart, Germany
| | - Bastian Blombach
- Institute of Biochemical Engineering, University of Stuttgart, Allmandring 31, 70569 Stuttgart, Germany
- Microbial Biotechnology, Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Straubing, Germany
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Ahmed S, Dubey D, Chowdhury A, Chaurasia S, Guleria A, Kumar S, Singh R, Kumar D, Misra R. Nuclear magnetic resonance‐based metabolomics reveals similar metabolomics profiles in undifferentiated peripheral spondyloarthritis and reactive arthritis. Int J Rheum Dis 2019; 22:725-733. [DOI: 10.1111/1756-185x.13490] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 12/30/2018] [Accepted: 01/01/2019] [Indexed: 11/29/2022]
Affiliation(s)
- Sakir Ahmed
- Department of Clinical Immunology Sanjay Gandhi Postgraduate Institute of Medical Sciences Lucknow India
| | - Durgesh Dubey
- Centre of Biomedical Research Sanjay Gandhi Postgraduate Institute of Medical Sciences Lucknow India
| | - Abhra Chowdhury
- Department of Clinical Immunology Sanjay Gandhi Postgraduate Institute of Medical Sciences Lucknow India
| | - Smriti Chaurasia
- Department of Clinical Immunology Sanjay Gandhi Postgraduate Institute of Medical Sciences Lucknow India
| | - Anupam Guleria
- Centre of Biomedical Research Sanjay Gandhi Postgraduate Institute of Medical Sciences Lucknow India
| | - Sandeep Kumar
- Department of Clinical Immunology Sanjay Gandhi Postgraduate Institute of Medical Sciences Lucknow India
| | - Rajeev Singh
- Department of Clinical Immunology Sanjay Gandhi Postgraduate Institute of Medical Sciences Lucknow India
| | - Dinesh Kumar
- Centre of Biomedical Research Sanjay Gandhi Postgraduate Institute of Medical Sciences Lucknow India
| | - Ramnath Misra
- Department of Clinical Immunology Sanjay Gandhi Postgraduate Institute of Medical Sciences Lucknow India
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61
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Lent-Schochet D, McLaughlin M, Ramakrishnan N, Jialal I. Exploratory metabolomics of metabolic syndrome: A status report. World J Diabetes 2019; 10:23-36. [PMID: 30697368 PMCID: PMC6347655 DOI: 10.4239/wjd.v10.i1.23] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Revised: 01/04/2019] [Accepted: 01/08/2019] [Indexed: 02/05/2023] Open
Abstract
Metabolic syndrome (MetS) is as a cluster of cardio-metabolic factors that greatly increase the risk of chronic diseases such as type II diabetes mellitus and atherosclerotic cardiovascular disease. In the United States, obesity, physical inactivity, aging, and genetics (to a minor extent) have arisen as risk factors for developing MetS. Although 35% of American adults suffer from MetS, its pathogenesis largely remains unknown. Worse, there is a lack of screening and optimum therapy for this disease. Researchers have consequently turned towards metabolomics to identify biomarkers to better understand MetS. The purpose of this review is to characterize various metabolites and their potential connections to MetS. Numerous studies have also characterized MetS as a disease of increased inflammation, and therefore this review also explores how metabolites play a role in various inflammatory pathways. Our review explores a broad range of metabolites including biogenic amines, branched chain amino acids, aromatic amines, phosphatidylcholines, as well as a variety of other molecules. We will explore their biochemical pathways and their potential role in serving as biomarkers.
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Affiliation(s)
- Daniella Lent-Schochet
- Metabolism and Clinical Pathology, College of Medicine, California Northstate University, Elk Grove, CA 95757, United States
| | - Matthew McLaughlin
- Metabolism and Clinical Pathology, College of Medicine, California Northstate University, Elk Grove, CA 95757, United States
| | - Neeraj Ramakrishnan
- Metabolism and Clinical Pathology, College of Medicine, California Northstate University, Elk Grove, CA 95757, United States
| | - Ishwarlal Jialal
- Metabolism and Clinical Pathology, College of Medicine, California Northstate University, Elk Grove, CA 95757, United States
- VA Medical Center, Mather CA 95655, United States
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Du CX, Huang Z. Analysis of amino acids in human tears by hydrophilic interaction liquid chromatography and quadrupole orbitrap mass spectrometry. RSC Adv 2019; 9:36539-36545. [PMID: 35539085 PMCID: PMC9075113 DOI: 10.1039/c9ra05956c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 10/30/2019] [Indexed: 01/15/2023] Open
Abstract
Amino acids in human tears play certain physiological roles and their determination is challenging due to complicated chemical properties.
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Affiliation(s)
- Chi-Xin Du
- Department of Ophthalmology
- The First Affiliated Hospital
- College of Medicine
- Zhejiang University
- Hangzhou
| | - Zhu Huang
- Department of Ophthalmology
- The First Affiliated Hospital
- College of Medicine
- Zhejiang University
- Hangzhou
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63
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Yan X, Xie B, Wu G, Hu J, Wang D, Cai X, Li J. Interleukin-37: The Effect of Anti-Inflammatory Response in Human Coronary Artery Endothelial Cells. Mediators Inflamm 2019; 2019:2650590. [PMID: 30728750 PMCID: PMC6341264 DOI: 10.1155/2019/2650590] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 09/07/2018] [Accepted: 11/06/2018] [Indexed: 02/05/2023] Open
Abstract
Interleukin-37 (IL-37) is unique in the IL-1 family since it broadly suppresses innate immunity and elevates in humans with inflammatory and autoimmune diseases. IL-37 shows definite groups and transcripts for human IL37 gene, but it is still not completely understood the effect and mechanisms of inflammatory response in endothelial cells. It is well accepted that endothelial dysfunction caused by inflammation is a key initiating event in atherosclerotic plaque formation, which leads to the occurrence and development of the cardiovascular adverse events in clinical since the inflammatory responses of endothelial cells could induce and enhance the deposition of extensive lipid and the formation of atherosclerotic plaque in the intima. Thus, it is essential to investigate the role and potential mechanisms in endothelial inflammatory response to prevent the formation and development of many cardiovascular diseases including atherosclerosis. So far, the recent studies have revealed that IL-37 is able to inhibit inflammatory response by suppressing the TLR2-NF-κB-ICAM-1 pathway intracellularly in human coronary artery endothelial cells (HCAECs). Further, the role of IL-37 may be related to the IL-18 pathway extracellularly and involved in the adhesion and transmigration of neutrophils in HCAECs.
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Affiliation(s)
- Xianfeng Yan
- Department of Cardiology, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Bin Xie
- Department of Cardiology, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Guihai Wu
- Department of Cardiology, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Jing Hu
- Department of Cardiology, Jiangxi Provincial People's Hospital, Nanchang, Jiangxi 330006, China
| | - Di Wang
- Department of Dermatovenereology, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Xiangna Cai
- Department of Plastic Surgery, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Jilin Li
- Department of Cardiology, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, China
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64
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Canfield CA, Bradshaw PC. Amino acids in the regulation of aging and aging-related diseases. TRANSLATIONAL MEDICINE OF AGING 2019. [DOI: 10.1016/j.tma.2019.09.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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Gupta L, Ahmed S, Jain A, Misra R. Emerging role of metabolomics in rheumatology. Int J Rheum Dis 2018; 21:1468-1477. [PMID: 30146741 DOI: 10.1111/1756-185x.13353] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/21/2018] [Accepted: 06/19/2018] [Indexed: 12/19/2022]
Abstract
The pursuit for understanding disease pathogenesis, in this age of rapid laboratory diagnostics and fast-paced research, has led scientists worldwide to take recourse in hypothesis-free approaches for molecular diagnosis. Metabolomics is one such powerful tool that explores comprehensibly the metabolic alternations in human diseases. It involves study of small molecules of less than 1 kD in size by either LSMS or nuclear magnetic resonance. Unlike genomics, which tells us what may have happened, metabolomics reflects what did happen. The NMR technique has an advantage of analyzing metabolites without sample preparation, thereby diminishing artifacts, is less cumbersome and with the latest database on Metabolome; about 30 000 metabolites can be identified. The study of metabolomics for several rheumatic diseases, including rheumatoid arthritis, lupus, osteoarthritis and vasculitis, has revealed distinctive metabolic signatures. Thus, metabolomics is a technique that promises precision medicine with better biomarkers, robust predictors of drug response and of disease outcome, discovery of newer metabolites and pathways in disease pathogenesis, and finally, targeted drug development. This review intends to decipher its relevance in common rheumatic diseases.
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Affiliation(s)
- Latika Gupta
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Sakir Ahmed
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Avinash Jain
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Ramnath Misra
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
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Demetrescu I, Dumitriu C, Totea G, Nica CI, Dinischiotu A, Ionita D. Zwitterionic Cysteine Drug Coating Influence in Functionalization of Implantable Ti50Zr Alloy for Antibacterial, Biocompatibility and Stability Properties. Pharmaceutics 2018; 10:E220. [PMID: 30413075 PMCID: PMC6321039 DOI: 10.3390/pharmaceutics10040220] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 11/02/2018] [Accepted: 11/06/2018] [Indexed: 01/06/2023] Open
Abstract
The present paper aims atincreasing the bioperformance of implantable Ti50Zr alloy using zwitterionic cysteine drug coating. Aspects such as stability, biocompatibility, and antibacterial effects were investigated with the help of various methods such as infrared spectroscopy (FT-IR), scanning electronic microscopy (SEM), electrochemical methods, contact angle determinations and cell response. The experimental data of zwitterionic cysteine coating indicate the existence of a hydration layer due to hydrophilic groups evidenced in FT-IR which is responsible for the decrease of contact angle and antibacterial capabilities. The electrochemical stability was evaluatedbased on Tafel plots and electrochemical impedance spectroscopy (EIS). The cell response to cysteine was determined with gingival fibroblasts measuring lactate dehydrogenase (LDH) activity, concentrations of nitric oxide (NO) and intracellular level of reactive oxygen species (ROS). All experimental results supported the increase of stability and better cells response of implantable Ti50Zr alloy coated with zwitterionic cysteine drug. The antibacterial index was measured against Staphylococcus aureus and Escherichia coli. It was demonstrated that the coating enhanced the production of intracellular ROS in time, which subsequently caused a significant increase in antibacterial index.
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Affiliation(s)
- Ioana Demetrescu
- Faculty of Applied Chemistry and Materials Science POLITEHNICAof Bucharest, Romania Str. Polizu1-7, 011061 Bucharest, Romania.
- Faculty of Biomedical Engineering POLITEHNICA of Bucharest, Romania Str. Polizu1-7, 011061 Bucharest, Romania.
- Academy of Romanian Scientists, Spaiul Independentei 54, 050094 Bucharest, Romania.
| | - Cristina Dumitriu
- Faculty of Applied Chemistry and Materials Science POLITEHNICAof Bucharest, Romania Str. Polizu1-7, 011061 Bucharest, Romania.
| | - Georgeta Totea
- Buftea, M. Burghele Hospital, Studiolului 5, 070000 Buftea, Romania.
| | - Cristina I Nica
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Spl. Independentei, 050095 Bucharest, Romania.
| | - Anca Dinischiotu
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Spl. Independentei, 050095 Bucharest, Romania.
| | - Daniela Ionita
- Faculty of Applied Chemistry and Materials Science POLITEHNICAof Bucharest, Romania Str. Polizu1-7, 011061 Bucharest, Romania.
- Faculty of Biomedical Engineering POLITEHNICA of Bucharest, Romania Str. Polizu1-7, 011061 Bucharest, Romania.
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67
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Grajeda-Iglesias C, Aviram M. Specific Amino Acids Affect Cardiovascular Diseases and Atherogenesis via Protection against Macrophage Foam Cell Formation: Review Article. Rambam Maimonides Med J 2018; 9:RMMJ.10337. [PMID: 29944113 PMCID: PMC6115485 DOI: 10.5041/rmmj.10337] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The strong relationship between cardiovascular diseases (CVD), atherosclerosis, and endogenous or exogenous lipids has been recognized for decades, underestimating the contribution of other dietary components, such as amino acids, to the initiation of the underlying inflammatory disease. Recently, specific amino acids have been associated with incident cardiovascular disorders, suggesting their significant role in the pathogenesis of CVD. Special attention has been paid to the group of branched-chain amino acids (BCAA), leucine, isoleucine, and valine, since their plasma values are frequently found in high concentrations in individuals with CVD risk. Nevertheless, dietary BCAA, leucine in particular, have been associated with improved indicators of atherosclerosis. Therefore, their potential role in the process of atherogenesis and concomitant CVD development remains unclear. Macrophages play pivotal roles in the development of atherosclerosis. They can accumulate high amounts of circulating lipids, through a process known as macrophage foam cell formation, and initiate the atherogenesis process. We have recently screened for anti- or pro-atherogenic amino acids in the macrophage model system. Our study showed that glycine, cysteine, alanine, leucine, glutamate, and glutamine significantly affected macrophage atherogenicity mainly through modulation of the cellular triglyceride metabolism. The anti-atherogenic properties of glycine and leucine, and the pro-atherogenic effects of glutamine, were also confirmed in vivo. Further investigation is warranted to define the role of these amino acids in atherosclerosis and CVD, which may serve as a basis for the development of anti-atherogenic nutritional and therapeutic approaches.
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68
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DiNicolantonio JJ, McCarty MF, OKeefe JH. Role of dietary histidine in the prevention of obesity and metabolic syndrome. Open Heart 2018; 5:e000676. [PMID: 30018771 PMCID: PMC6045700 DOI: 10.1136/openhrt-2017-000676] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/24/2018] [Indexed: 12/14/2022] Open
Affiliation(s)
- James J DiNicolantonio
- Department of Preventive Cardiology, Saint Lukes Mid America Heart Institute, Kansas City, Missouri, USA
| | | | - James H OKeefe
- Department of Preventive Cardiology, Saint Lukes Mid America Heart Institute, Kansas City, Missouri, USA
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Scalise M, Galluccio M, Console L, Pochini L, Indiveri C. The Human SLC7A5 (LAT1): The Intriguing Histidine/Large Neutral Amino Acid Transporter and Its Relevance to Human Health. Front Chem 2018; 6:243. [PMID: 29988369 PMCID: PMC6023973 DOI: 10.3389/fchem.2018.00243] [Citation(s) in RCA: 170] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 06/06/2018] [Indexed: 12/22/2022] Open
Abstract
SLC7A5, known as LAT1, belongs to the APC superfamily and forms a heterodimeric amino acid transporter interacting with the glycoprotein CD98 (SLC3A2) through a conserved disulfide. The complex is responsible for uptake of essential amino acids in crucial body districts such as placenta and blood brain barrier. LAT1/CD98 heterodimer has been studied over the years to unravel the transport mechanism and the role of each subunit. Studies conducted in intact cells demonstrated that LAT1/CD98 mediates a Na+ and pH independent antiport of amino acids. Some novel insights into the function of LAT1 derived from studies conducted in proteoliposomes reconstituted with the recombinant human LAT1. Using this experimental tool, it has been demonstrated that the preferred substrate is histidine and that CD98 is not required for transport being, plausibly, involved in routing LAT1 to the plasma membrane. Since a 3D structure of LAT1 is not available, homology models have been built on the basis of the AdiC transporter from E.coli. Crucial residues for substrate recognition and gating have been identified using a combined approach of bioinformatics and site-directed mutagenesis coupled to functional assays. Over the years, the interest around LAT1 increased because this transporter is involved in important human diseases such as neurological disorders and cancer. Therefore, LAT1 became an important pharmacological target together with other nutrient membrane transporters. Moving from knowledge on structure/function relationships, two cysteine residues, lying on the substrate binding site, have been exploited for designing thiol reacting covalent inhibitors. Some lead compounds have been characterized whose efficacy has been tested in a cancer cell line.
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Affiliation(s)
- Mariafrancesca Scalise
- Unit of Biochemistry and Molecular Biotechnology, Department DiBEST (Biologia, Ecologia, Scienze della Terra), University of Calabria, Rende, Italy
| | - Michele Galluccio
- Unit of Biochemistry and Molecular Biotechnology, Department DiBEST (Biologia, Ecologia, Scienze della Terra), University of Calabria, Rende, Italy
| | - Lara Console
- Unit of Biochemistry and Molecular Biotechnology, Department DiBEST (Biologia, Ecologia, Scienze della Terra), University of Calabria, Rende, Italy
| | - Lorena Pochini
- Unit of Biochemistry and Molecular Biotechnology, Department DiBEST (Biologia, Ecologia, Scienze della Terra), University of Calabria, Rende, Italy
| | - Cesare Indiveri
- Unit of Biochemistry and Molecular Biotechnology, Department DiBEST (Biologia, Ecologia, Scienze della Terra), University of Calabria, Rende, Italy.,CNR Institute of Biomembranes, Bioenergetics and Molecular Biotechnology, Bari, Italy
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Li YC, Li YZ, Li R, Lan L, Li CL, Huang M, Shi D, Feng RN, Sun CH. Dietary Sulfur-Containing Amino Acids Are Associated with Higher Prevalence of Overweight/Obesity in Northern Chinese Adults, an Internet-Based Cross-Sectional Study. ANNALS OF NUTRITION AND METABOLISM 2018; 73:44-53. [PMID: 29879713 DOI: 10.1159/000490194] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 05/14/2018] [Indexed: 01/19/2023]
Abstract
BACKGROUND/AIMS Elevation of plasma sulfur-containing amino acids (SAAs) is generally associated with higher body mass index (BMI) and unfavorable lipid profiles. It is not known how dietary SAAs relate to these associations in humans. METHODS A convenient tool named internet-based dietary questionnaire for Chinese (IDQC) was used to estimate dietary SAAs intake. A total of 936 participants were randomly recruited and asked to complete the IDQC. Furthermore, 90 subjects were randomly selected to perform a subgroup study. The associations between dietary SAAs and prevalence of obesity, lipid profiles, and status of insulin resistance (IR), inflammation and oxidative stress were assessed. RESULTS Dietary total SAAs and cysteine of overweight/obese participants were significantly higher. Dietary total SAAs and cysteine were positively associated with BMI and waist circumference. Higher dietary total SAAs were associated with higher prevalence of overweight/obesity. Higher dietary total SAAs and cysteine also associated with higher serum triglyceride (total cholesterol), low density lipoprotein, fasting blood glucose, 2 h-postprandial glucose, and homeostasis model assessment of IR. In the subgroup study, positive associations between dietary SAAs and inflammation biomarkers were also observed. CONCLUSIONS Dietary SAAs are associated with higher prevalence of overweight/obesity, unfavorable lipid profiles and status of IR, and inflammation.
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Affiliation(s)
- Yan-Chuan Li
- Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China.,Department of Nutrition and Food Hygiene, School of Public Health, Hainan Medical University, Haikou, China
| | - Yu-Zheng Li
- Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
| | - Rui Li
- Department of Food and School Hygiene, Dalian Center for Disease Control and Prevention, Dalian, China
| | - Li Lan
- Department of Chronic Disease Prevention and Control, Harbin Center for Disease Control and Prevention, Harbin, China
| | - Chun-Long Li
- Department of General Surgery, the Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Min Huang
- Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
| | - Dan Shi
- Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
| | - Ren-Nan Feng
- Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
| | - Chang-Hao Sun
- Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
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71
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Li X, Wu T, Jiang Y, Zhang Z, Han X, Geng W, Ding H, Kang J, Wang Q, Shang H. Plasma metabolic changes in Chinese HIV-infected patients receiving lopinavir/ritonavir based treatment: Implications for HIV precision therapy. Cytokine 2018; 110:204-212. [PMID: 29778008 DOI: 10.1016/j.cyto.2018.05.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 03/30/2018] [Accepted: 05/02/2018] [Indexed: 12/25/2022]
Abstract
OBJECTIVES The goal of this study is to profile the metabolic changes in the plasma of HIV patients receiving lopinavir/ritonavir (LPV/r)-based highly active antiretroviral therapy (HAART) relative to their treatment-naïve phase, aimed to identify precision therapy for HIV for improving prognosis and predicting dyslipidemia caused by LPV/r. METHODS 38 longitudinal plasma samples were collected from 19 HIV-infected patients both before and after antiretroviral therapy, and 18 samples from healthy individuals were used as controls. Untargeted metabolomics profiling of these plasma samples was performed using liquid chromatography-mass spectrometry (LC-MS) and gas chromatography-mass spectrometry (GC-MS). RESULTS A total of 331 compounds of known identity were detected among these metabolites, a 67-metabolite signature mainly mapping to tryptophan, histidine, acyl carnitine, ketone bodies and fatty acid metabolism distinguished HIV patients from healthy controls. The levels of 19 out of the 67 altered metabolites including histidine, kynurenine, and 3-hydroxybutyrate (BHBA), recovered after LPV/r-based antiretroviral therapy, and histidine was positively correlated with the presence of CD4 + T lymphocytes. Furthermore, using receiver operating characteristic (ROC) analyses, we discovered that butyrylcarnitine in combination with myristic acid from plasma in treatment-naïve patients could predict dyslipidemia caused by LPV/r with 87% accuracy. CONCLUSIONS Metabolites alterations in treatment-naïve HIV patients may indicate an inflammatory, oxidative state and mitochondrial dysfunction that is permissive for disease progression. Histidine may provide a specific protective function for HIV patients. Besides, elevated fatty acids levels including butyrylcarnitine and myristic acid after infection may indicate patients at risk of suffering from dyslipidemia after LPV/r-based HAART.
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Affiliation(s)
- Xiaolin Li
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, PR China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, PR China
| | - Tong Wu
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, PR China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, PR China
| | - Yongjun Jiang
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, PR China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, PR China
| | - Zining Zhang
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, PR China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, PR China
| | - Xiaoxu Han
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, PR China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, PR China
| | - Wenqing Geng
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, PR China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, PR China
| | - Haibo Ding
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, PR China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, PR China
| | - Jing Kang
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, PR China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, PR China
| | - Qi Wang
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, PR China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, PR China
| | - Hong Shang
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, PR China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, PR China.
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Nam SY, Kim HM, Jeong HJ. Cysteine ameliorates allergic inflammatory reactions by suppressing thymic stromal lymphopoietin production in activated human mast cells. Nutr Res 2018; 49:79-87. [PMID: 29420995 DOI: 10.1016/j.nutres.2017.11.005] [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: 02/28/2017] [Revised: 11/20/2017] [Accepted: 11/24/2017] [Indexed: 10/18/2022]
Abstract
Thymic stromal lymphopoietin (TSLP) derived by mast cells is recognized as a critical factor in many allergic inflammatory disorders. Cysteine is a well-known amino acid which exhibits anti-inflammatory activities. However, the effect and mechanism of cysteine on TSLP production have not been investigated. Thus, we hypothesized that cysteine may regulate TSLP production from mast cells. To test this hypothesis, the anti-inflammatory effects and signaling pathways of cysteine were investigated in phorbol 12-myristate 13-acetate 4 and calcium ionophore A23187 (PMACI)-stimulated human mast cell line HMC-1. Cysteine dramatically attenuated the levels of TSLP of both mRNA and protein without cytotoxicity. Moreover, cysteine suppressed caspase-1 activation and nuclear factor-κB translocation. The phosphorylation of p38 and c-Jun N-terminal kinase was downregulated in all cases in PMACI-stimulated HMC-1 cells treated with cysteine. In addition, cysteine decreased PMACI-induced proinflammatory cytokines in terms of both protein and mRNA levels. In conclusion, cysteine regulates TSLP production by blocking caspase-1, nuclear factor-κB, p38, and c-Jun N-terminal kinase-dependent pathways in activated HMC-1 cells, suggesting its potential as a regulator of allergic inflammatory diseases.
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Affiliation(s)
- Sun-Young Nam
- Department of Pharmacology, College of Korean Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Hyung-Min Kim
- Department of Pharmacology, College of Korean Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea.
| | - Hyun-Ja Jeong
- Department of Food Science & Technology, Hoseo University, Asan, Chungnam, 31499, Republic of Korea.
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73
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Vieira CP, Viola M, Carneiro GD, D'Angelo ML, Vicente CP, Passi A, Pimentel ER. Glycine improves the remodeling process of tenocytes in vitro. Cell Biol Int 2018; 42:804-814. [PMID: 29345399 DOI: 10.1002/cbin.10937] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Accepted: 01/13/2018] [Indexed: 01/07/2023]
Abstract
Tendinitis changes the biochemical and morphological properties of the tendon, promoting an increase of activity of metalloproteinases and disorganization of collagen bundles. Tenocytes, the primary cells in tendon, are scattered throughout the collagenic fibers, and are responsible of tendon remodeling and tissue repair in pathological condition. In vivo, glycine, component of the typical Gly-X-Y collagen tripeptide, showed beneficial effects in biochemical and biomechanical properties of Achilles tendon with tendinitis. In this study, we analyzed the effect of glycine in tenocytes subjected to inflammation. Tenocytes from Achilles tendon of rats were treated with TNF-α (10 ng/mL) with and without previous treatment with glycine (20 mM). Cell proliferation and migration were evaluated, as well as the expression of matrix molecules such as glycosaminoglycans, metalloproteinases (MMPs), TIMPs, and collagen I. Glycine can revert the inflammation due to the action of TNF-α by controlling the MMPs quantity and activity. These data indicated that the molecules involved to remodeling process of extracellular matrix are modulated both by TNF-α and the availability of collagen precursors; in fact, this study indicates the glycine can be useful for treatment of inflammation and for modulating tenocytes metabolism in tendons.
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Affiliation(s)
- Cristiano Pedrozo Vieira
- Department of Pharmacology, State University of Campinas, 13083-863 CP 6109, Campinas, São Paulo, Brazil
| | - Manuela Viola
- Department of Medicine and Surgery, University of Insubria, Varese, 21100, Italy
| | - Giane Daniela Carneiro
- Department of Structural and Functional Biology, Institute of Biology, State University of Campinas, 13083-863 CP 6109, Campinas, São Paulo, Brazil
| | - Maria Luisa D'Angelo
- Department of Medicine and Surgery, University of Insubria, Varese, 21100, Italy
| | - Cristina Pontes Vicente
- Department of Structural and Functional Biology, Institute of Biology, State University of Campinas, 13083-863 CP 6109, Campinas, São Paulo, Brazil
| | - Alberto Passi
- Department of Medicine and Surgery, University of Insubria, Varese, 21100, Italy
| | - Edson Rosa Pimentel
- Department of Structural and Functional Biology, Institute of Biology, State University of Campinas, 13083-863 CP 6109, Campinas, São Paulo, Brazil
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74
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Spirulina Extract Enhanced a Protective Effect in Type 1 Diabetes by Anti-Apoptosis and Anti-ROS Production. Nutrients 2017; 9:nu9121363. [PMID: 29244751 PMCID: PMC5748813 DOI: 10.3390/nu9121363] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 12/06/2017] [Accepted: 12/11/2017] [Indexed: 12/11/2022] Open
Abstract
Interest in the nutritional value and pharmacological activities of blue-green algae has gradually increased. Spirulina extracts show protective effects against apoptosis and inflammatory damage in various cell types. Here, we investigated the protective effects of extracts from Spirulina maxima in a cytokine-mediated type 1 diabetes model in vitro and in streptozotocin-induced diabetic Wistar rats in vivo. Interleukin-1β and interferon-gamma induced substantial cytotoxicity to RINm5F rat insulinoma cells, increasing nitric oxide (NO) production, nuclear factor-kappa B (NF-κB) activity, the expression of endoplasmic reticulum (ER) stress genes, and activation of mitogen-activated protein kinases and key genes related apoptosis. However, the cytotoxicity of cytokines was significantly attenuated by Spirulina extract, which effectively prevented NO production by inhibiting the synthesis of cytokine-activated NO synthase (iNOS), and apoptosis was suppressed. These results suggest that Spirulina extract might be effective to preserve the viability and function of pancreatic β-cells against cytotoxic conditions. Moreover, diabetic mice orally administered Spirulina extract showed decreased glucose levels, increased insulin, and improvement in liver enzyme markers. The antioxidant effect of Spirulina extract may be helpful in treating type 1 diabetes by enhancing the survival, and reducing or delaying cytokine-mediated β-cells destruction.
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75
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Sreedhar A, Zhao Y. Dysregulated metabolic enzymes and metabolic reprogramming in cancer cells. Biomed Rep 2017; 8:3-10. [PMID: 29399334 PMCID: PMC5772474 DOI: 10.3892/br.2017.1022] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 08/17/2017] [Indexed: 12/21/2022] Open
Abstract
Tumor cells carry various genetic and metabolic alterations, which directly contribute to their growth and malignancy. Links between metabolism and cancer are multifaceted. Metabolic reprogramming, such as enhanced aerobic glycolysis, mutations in the tricarboxylic acid (TCA) cycle metabolic enzymes, and dependence on lipid and glutamine metabolism are key characteristics of cancer cells. Understanding these metabolic alterations is crucial for development of novel anti-cancer therapeutic strategies. In the present review, the broad importance of metabolism in tumor biology is discussed, and the current knowledge on dysregulated metabolic enzymes involved in the vital regulatory steps of glycolysis, the TCA cycle, the pentose phosphate pathway, and lipid, amino acid, and mitochondrial metabolism pathways are reviewed.
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Affiliation(s)
- Annapoorna Sreedhar
- Department of Pharmacology, Toxicology and Neuroscience, LSU Health Sciences Center Shreveport, LA 71130-3932, USA
| | - Yunfeng Zhao
- Department of Pharmacology, Toxicology and Neuroscience, LSU Health Sciences Center Shreveport, LA 71130-3932, USA
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76
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The Genetic Architecture of Coronary Artery Disease: Current Knowledge and Future Opportunities. Curr Atheroscler Rep 2017; 19:6. [PMID: 28130654 DOI: 10.1007/s11883-017-0641-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
PURPOSE OF REVIEW We provide an overview of our current understanding of the genetic architecture of coronary artery disease (CAD) and discuss areas of research that provide excellent opportunities for further exploration. RECENT FINDINGS Large-scale studies in human populations, coupled with rapid advances in genetic technologies over the last decade, have clearly established the association of common genetic variation with risk of CAD. However, the effect sizes of the susceptibility alleles are for the most part modest and collectively explain only a small fraction of the overall heritability. By comparison, evidence that rare variants make a substantial contribution to risk of CAD has been somewhat disappointing thus far, suggesting that other biological mechanisms have yet to be discovered. Emerging data suggests that novel pathways involved in the development of CAD can be identified through complementary and integrative systems genetics strategies in mice or humans. There is also convincing evidence that gut bacteria play a previously unrecognized role in the development of CAD, particularly through metabolism of certain dietary nutrients that lead to proatherogenic metabolites in the circulation. A major effort is now underway to functionally understand the newly discovered genetic and biological associations for CAD, which could lead to the development of potentially novel therapeutic strategies. Other important areas of investigation for understanding the pathophysiology of CAD, including epistatic interactions between genes or with either sex and environmental factors, have not been studied on a broad scope and represent additional opportunities for future studies.
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77
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Protein hydrolysate from canned sardine and brewing by-products improves TNF-α-induced inflammation in an intestinal–endothelial co-culture cell model. Eur J Nutr 2017; 57:2275-2286. [DOI: 10.1007/s00394-017-1503-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Accepted: 07/07/2017] [Indexed: 12/13/2022]
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78
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Rom O, Grajeda-Iglesias C, Najjar M, Abu-Saleh N, Volkova N, Dar DE, Hayek T, Aviram M. Atherogenicity of amino acids in the lipid-laden macrophage model system in vitro and in atherosclerotic mice: a key role for triglyceride metabolism. J Nutr Biochem 2017; 45:24-38. [DOI: 10.1016/j.jnutbio.2017.02.023] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 01/27/2017] [Accepted: 02/25/2017] [Indexed: 12/27/2022]
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79
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Pakula MM, Maier TJ, Vorup-Jensen T. Insight on the impacts of free amino acids and their metabolites on the immune system from a perspective of inborn errors of amino acid metabolism. Expert Opin Ther Targets 2017; 21:611-626. [PMID: 28441889 DOI: 10.1080/14728222.2017.1323879] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Amino acids (AAs) support a broad range of functions in living organisms, including several that affect the immune system. The functions of the immune system are affected when free AAs are depleted or in excess because of external factors, such as starvation, or because of genetic factors, such as inborn errors of metabolism. Areas covered: In this review, we discuss the current insights into how free AAs affect immune responses. When possible, we make comparisons to known disease states resulting from inborn errors of metabolism, in which changed levels of AAs or AA metabolites provide insight into the impact of AAs on the human immune system in vivo. We also explore the literature describing how changes in AA levels might provide pharmaceutical targets for safe immunomodulatory treatment. Expert opinion: The impact of free AAs on the immune system is a neglected topic in most immunology textbooks. That neglect is undeserved, because free AAs have both direct and indirect effects on the immune system. Consistent choices of pre-clinical models and better strategies for creating formulations are required to gain clinical impact.
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Affiliation(s)
| | - Thorsten J Maier
- a Department of Biomedicine , Aarhus University , Aarhus , Denmark
| | - Thomas Vorup-Jensen
- a Department of Biomedicine , Aarhus University , Aarhus , Denmark.,b Center for Neurodegenerative Inflammation Prevention (NEURODIN) , Aarhus University , Aarhus , Denmark.,c Interdisciplinary Nanoscience Center , Aarhus University , Aarhus , Denmark.,d The Lundbeck Foundation Nanomedicine Center for Individualized Management of Tissue Damage and Regeneration (LUNA) , Aarhus University , Aarhus , Denmark.,e MEMBRANES Research center , Aarhus University , Aarhus , Denmark
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80
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Du S, Sun S, Liu L, Zhang Q, Guo F, Li C, Feng R, Sun C. Effects of Histidine Supplementation on Global Serum and Urine 1H NMR-based Metabolomics and Serum Amino Acid Profiles in Obese Women from a Randomized Controlled Study. J Proteome Res 2017; 16:2221-2230. [DOI: 10.1021/acs.jproteome.7b00030] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Shanshan Du
- Department
of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, 157 Baojian Road, Nangang District, Harbin 150086, Heilongjiang
Province, China
| | - Shuhong Sun
- Department
of Psychiatry, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin 150001, Heilongjiang Province, China
| | - Liyan Liu
- Department
of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, 157 Baojian Road, Nangang District, Harbin 150086, Heilongjiang
Province, China
| | - Qiao Zhang
- Department
of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, 157 Baojian Road, Nangang District, Harbin 150086, Heilongjiang
Province, China
| | - Fuchuan Guo
- Department
of Nutrition and Food Safety, School of Public Health, Fujian Medical University, No. 1 Xuefu North Road, University
Town, Fuzhou 350122, Fujian Province, China
| | - Chunlong Li
- Department
of General Surgery, The Second Affiliated Hospital of Harbin Medical University, 246 Xuefu Road, Nangang District, Harbin 150086, Heilongjiang
Province, China
| | - Rennan Feng
- Department
of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, 157 Baojian Road, Nangang District, Harbin 150086, Heilongjiang
Province, China
| | - Changhao Sun
- Department
of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, 157 Baojian Road, Nangang District, Harbin 150086, Heilongjiang
Province, China
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81
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Deidda M, Piras C, Cadeddu Dessalvi C, Locci E, Barberini L, Orofino S, Musu M, Mura MN, Manconi PE, Finco G, Atzori L, Mercuro G. Distinctive metabolomic fingerprint in scleroderma patients with pulmonary arterial hypertension. Int J Cardiol 2017; 241:401-406. [PMID: 28476520 DOI: 10.1016/j.ijcard.2017.04.024] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 03/29/2017] [Accepted: 04/07/2017] [Indexed: 01/03/2023]
Abstract
BACKGROUND Pulmonary arterial hypertension (PAH) in systemic sclerosis (SS) identifies a poor prognosis subset of patients. Recent studies suggested a "metabolic theory" on the development of pulmonary arterial hypertension. On this basis we performed a metabolomic study in order to evaluate whether differences in pulmonary arterial blood metabolites were identifiable in SS patients with increased pulmonary vascular resistance (PVR). METHODS We studied 18 SS patients (age 58.7±15.6years) free of pulmonary fibrosis who underwent a right heart catheterization (RHC). A blood sample was collected during the RHC in the distal peripheral circulation of the pulmonary arteries to perform the metabolomic analysis. RESULTS Based on PVR we divided the population into Group A (n=8; PVR=1.16±0.23WU) and Group B (n=10; PVR=2.67±0.67WU; p<0.001 vs Group A). No significant differences were identified in terms of anthropometric, clinical, echo and therapeutic characteristics. At RHC the 2 groups showed a difference in mean pulmonary pressure values (Group A: 20±4mmHg; Group B: 27±3.4mmHg; p=0.03), with mild PAH in Group B. We applied an OSC-PLS-DA with a clear clusterization; SSc patients with PAH showed an increase in acetate, alanine, lactate, and lipoprotein levels and a decrease in γ-aminobutyrate, arginine, betaine, choline, creatine, creatinine, glucose, glutamate, glutamine, glycine, histidine, phenylalanine, and tyrosine levels CONCLUSIONS: Our results suggest that, despite similar clinical and disease-related parameters, SSc patients who develop PAH have an unfavorable metabolic profile able to cause an impaired production of metabolites with protective effects on endothelial cells.
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Affiliation(s)
- Martino Deidda
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Cagliari, Italy
| | - Cristina Piras
- Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato, Cagliari, Italy
| | - Christian Cadeddu Dessalvi
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Cagliari, Italy
| | - Emanuela Locci
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Cagliari, Italy
| | - Luigi Barberini
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Cagliari, Italy
| | - Susanne Orofino
- Intensive Care Unit, Azienda Ospedaliero-Universitaria di Cagliari, 09128, Cagliari, Italy
| | - Mario Musu
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Cagliari, Italy
| | - Mario Nicola Mura
- Department of Internal Medicine, AOU di Cagliari, 09042 Monserrato, Cagliari, Italy
| | - Paolo Emilio Manconi
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Cagliari, Italy
| | - Gabriele Finco
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Cagliari, Italy
| | - Luigi Atzori
- Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato, Cagliari, Italy
| | - Giuseppe Mercuro
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Cagliari, Italy.
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82
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Luo N, Craig D, Ilkayeva O, Muehlbauer M, Kraus WE, Newgard CB, Shah SH, Rajagopal S. Plasma acylcarnitines are associated with pulmonary hypertension. Pulm Circ 2017; 7:211-218. [PMID: 28680580 PMCID: PMC5448546 DOI: 10.1086/690554] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Accepted: 12/02/2016] [Indexed: 11/03/2022] Open
Abstract
Quantifying metabolic derangements in pulmonary hypertension (PH) by plasma metabolomics could identify biomarkers useful for diagnosis and treatment. The objective of this paper is to test the hypotheses that circulating metabolites are differentially expressed in PH patients compared with controls and among different hemodynamic subtypes of PH associated with left heart disease. We studied patients enrolled in the CATHGEN biorepository with PH (right heart catheterization mPAP ≥ 25 mmHg; n = 280). Of these, 133 met criteria for postcapillary PH, 82 for combined precapillary and postcapillary PH (CpcPH), and 65 for precapillary PH. Targeted profiling of 63 metabolites (acylcarnitines, amino acids, and ketones) was performed using tandem flow injection mass spectrometry. Multivariable linear regression was used to determine differences in metabolite factors derived from a principal components analysis between PH cases, PH subtypes, and non-PH controls. In adjusted models, the metabolite factor loaded with long-chain acylcarnitines was higher in all PH cases versus non-PH controls (P = 0.00008), but did not discriminate between CpcPH and postcapillary PH (P = 0.56). In analyses of subtypes, CpcPH patients had lower levels of factors loaded with urea cycle amino acids and short chain acylcarnitines as compared to controls (P = 0.002 and P = 0.01, respectively) and as compared to postcapillary PH (P = 0.04 and P = 0.02, respectively). Compared to controls, PH was strongly associated with greater concentrations of long-chain acylcarnitines. Postcapillary PH and CpcPH were weakly associated with distinct metabolomic profiles. These findings suggest the presence of unique metabolic abnormalities in subtypes of PH and may reflect underlying pathophysiology.
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Affiliation(s)
- Nancy Luo
- Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, NC, USA.,Duke Clinical Research Institute, Durham, NC, USA
| | - Damian Craig
- Duke Molecular Physiology Institute, Durham, NC, USA
| | - Olga Ilkayeva
- Duke Molecular Physiology Institute, Durham, NC, USA
| | | | - William E Kraus
- Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, NC, USA.,Duke Clinical Research Institute, Durham, NC, USA.,Duke Molecular Physiology Institute, Durham, NC, USA
| | | | - Svati H Shah
- Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, NC, USA.,Duke Clinical Research Institute, Durham, NC, USA.,Duke Molecular Physiology Institute, Durham, NC, USA
| | - Sudarshan Rajagopal
- Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, NC, USA
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83
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Xie Y, Guo H, Wang L, Xu L, Zhang X, Yu L, Liu Q, Li Y, Zhao N, Zhao N, Ye R, Liu X. Human albumin attenuates excessive innate immunity via inhibition of microglial Mincle/Syk signaling in subarachnoid hemorrhage. Brain Behav Immun 2017; 60:346-360. [PMID: 27845194 DOI: 10.1016/j.bbi.2016.11.004] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Revised: 11/06/2016] [Accepted: 11/07/2016] [Indexed: 12/16/2022] Open
Abstract
Subarachnoid hemorrhage (SAH) is a devastating subtype of stroke. Microglial macrophage-inducible C-type lectin (Mincle) receptor launches microglial innate immunity after SAH, and thereby achieves a key step of early cerebral injury in SAH. We previously revealed albumin could improve long-term neurological outcomes after SAH. In this study, we examined the role of microglia-mediated innate immunity in the salutary effects of albumin. SAH was induced by endovascular perforation in rats. We found that albumin can significantly mitigate early neurovascular dysfunction of SAH rats. Albumin administration resulted in reduced Iba-1 and CD68 staining in cortex. Markers of microglia M1 polarization (iNOS, IL-1β, CD16, and CD32) were remarkably suppressed. Neutrophil invasion was inhibited as chemokines (MCP-1, CINC-1, and CXCL-2) mRNA levels, myeloperoxidase (MPO) and intracellular adhesion molecule-1 (ICAM-1) expressions were decreased. Mechanistically, albumin bound with microglial Mincle receptor, and retarded Mincle/Syk/IL-1β signaling in ipsilateral hemisphere subjected to SAH. In the cultured BV-2 microglial cells, we found Mincle and its ligand SAP130 mediate the cross-talk between neuronal necroptosis and microglial immunity response following SAH-related injury. Albumin could attenuate SAP130-induced Mincle upregulation and subsequent microglial inflammatory responses. The anti-inflammation effect of albumin was similar to the effect of genetic knockdown of Mincle. This effect may be attributed to a direct association between albumin and Mincle. The interaction also yielded a depression in the initiation of Mincle/Syk/IL-1β pathway. In conclusion, our results indicate that albumin can ameliorate innate immune responses after SAH. This anti-inflammatory action may be through direct restraining microglial Mincle receptor.
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Affiliation(s)
- Yi Xie
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210000, China
| | - Hongquan Guo
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210000, China
| | - Liumin Wang
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210000, China
| | - Lili Xu
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210000, China
| | - Xiaohao Zhang
- Department of Neurology, The Second Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210000, China
| | - Linjie Yu
- Department of Neurology, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210000, China
| | - Qian Liu
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210000, China
| | - Yunzi Li
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210000, China
| | - Nana Zhao
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210000, China
| | - Nan Zhao
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210000, China
| | - Ruidong Ye
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210000, China.
| | - Xinfeng Liu
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210000, China.
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84
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Lin YL, Tai SY, Chen JW, Chou CH, Fu SG, Chen YC. Ameliorative effects of pepsin-digested chicken liver hydrolysates on development of alcoholic fatty livers in mice. Food Funct 2017; 8:1763-1774. [DOI: 10.1039/c7fo00123a] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
With developments in economics and increasing work loads, alcohol abuse becomes more and more severe, leading to occurrences of alcoholic liver disease (ALD).
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Affiliation(s)
- Yi-Ling Lin
- Department of Animal Science and Technology
- National Taiwan University
- Taipei City 106
- Taiwan
| | - Szu-Yun Tai
- Department of Animal Science and Technology
- National Taiwan University
- Taipei City 106
- Taiwan
| | - Jr-Wei Chen
- Department of Animal Science and Technology
- National Taiwan University
- Taipei City 106
- Taiwan
- Poultry Industry Section
| | - Chung-Hsi Chou
- School of Veterinary Medicine
- National Taiwan University
- Taipei City 106
- Taiwan
- Zoonoses Research Center
| | - Shih-Guei Fu
- Department of Applied Life Science and Health
- Chia Nan University of Pharmacy & Science
- Tainan 717
- Taiwan
| | - Yi-Chen Chen
- Department of Animal Science and Technology
- National Taiwan University
- Taipei City 106
- Taiwan
- Zoonoses Research Center
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85
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Kolgelier S, Ergin M, Demir LS, Inkaya AC, Aktug Demir N, Alisik M, Erel O. Impaired Thiol-Disulfide Balance in Acute Brucellosis. Jpn J Infect Dis 2016; 70:258-262. [PMID: 27795469 DOI: 10.7883/yoken.jjid.2016.196] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The objective of this study was to examine a novel profile: thiol-disulfide homeostasis in acute brucellosis. The study included 90 patients with acute brucellosis, and 27 healthy controls. Thiol-disulfide profile tests were analyzed by a recently developed method, and ceruloplasmin levels were determined. Native thiol levels were 256.72 ± 48.20 μmol/L in the acute brucellosis group and 461.13 ± 45.37 μmol/L in the healthy group, and total thiol levels were 298.58 ± 51.78 μmol/L in the acute brucellosis group and 504.83 ± 51.05 μmol/L in the healthy group (p < 0.001, for both). The disulfide/native thiol ratios and disulfide/total thiol ratios were significantly higher, and native thiol/total thiol ratios were significantly lower in patients with acute brucellosis than in the healthy controls (p < 0.001, for all ratios). There were either positive or negative relationships between ceruloplasmin levels and thiol-disulfide parameters. The thiol-disulfide homeostasis was impaired in acute brucellosis. The strong associations between thiol-disulfide parameters and a positive acute-phase reactant reflected the disruption of the balance between the antioxidant and oxidant systems. Since thiol groups act as anti-inflammatory mediators, the alteration in the thiol-disulfide homeostasis may be involved in brucellosis.
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Affiliation(s)
- Servet Kolgelier
- Department of Infectious Diseases and Clinical Microbiology, Adiyaman University Faculty of Medicine
| | - Merve Ergin
- Department of Biochemistry, 25 Aralik State Hospital
| | - Lutfi Saltuk Demir
- Department of Public Health, Necmettin Erbakan University Faculty of Medicine
| | - Ahmet Cagkan Inkaya
- Department of Infectious Diseases and Clinical Microbiology, Hacettepe University Faculty of Medicine
| | - Nazlim Aktug Demir
- Department of Infectious Diseases and Clinical Microbiology, Selcuk University Faculty of Medicine
| | - Murat Alisik
- Department of Biochemistry, Yildirim Beyazit University Faculty of Medicine
| | - Ozcan Erel
- Department of Biochemistry, Yildirim Beyazit University Faculty of Medicine
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86
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NMR based serum metabolomics reveals a distinctive signature in patients with Lupus Nephritis. Sci Rep 2016; 6:35309. [PMID: 27739464 PMCID: PMC5064370 DOI: 10.1038/srep35309] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Accepted: 09/27/2016] [Indexed: 01/12/2023] Open
Abstract
Management of patient with Lupus Nephritis (LN) continues to remain a challenge for the treating physicians because of considerable morbidity and even mortality. The search of biomarkers in serum and urine is a focus of researchers to unravel new targets for therapy. In the present study, the utility of NMR-based serum metabolomics has been evaluated for the first time in discriminating LN patients from non-nephritis lupus patients (SLE) and further to get new insights into the underlying disease processes for better clinical management. Metabolic profiling of sera obtained from 22 SLE patients, 40 LN patients and 30 healthy controls (HC) were performed using high resolution 1D 1H-CPMG and diffusion edited NMR spectra to identify the potential molecular biomarkers. Using multivariate analysis, we could distinguish SLE and LN patients from HC and LN from SLE patients. Compared to SLE patients, the LN patients had increased serum levels of lipid metabolites (including LDL/VLDL lipoproteins), creatinine and decreased levels of acetate. Our results revealed that metabolic markers especially lipids and acetate derived from NMR spectroscopy has high sensitivity and specificity to distinguish LN among SLE patients and has the potential to be a useful adjunctive tool in diagnosis and clinical management of LN.
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87
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Free amino acids: an innovative treatment for ocular surface disease. Eur J Pharmacol 2016; 787:9-19. [DOI: 10.1016/j.ejphar.2016.04.029] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 04/01/2016] [Accepted: 04/14/2016] [Indexed: 02/02/2023]
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88
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Jiang WD, Feng L, Qu B, Wu P, Kuang SY, Jiang J, Tang L, Tang WN, Zhang YA, Zhou XQ, Liu Y. Changes in integrity of the gill during histidine deficiency or excess due to depression of cellular anti-oxidative ability, induction of apoptosis, inflammation and impair of cell-cell tight junctions related to Nrf2, TOR and NF-κB signaling in fish. FISH & SHELLFISH IMMUNOLOGY 2016; 56:111-122. [PMID: 27394967 DOI: 10.1016/j.fsi.2016.07.002] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Revised: 06/29/2016] [Accepted: 07/05/2016] [Indexed: 06/06/2023]
Abstract
This study firstly explored the possible effects of dietary histidine on structural integrity and the related signaling factor gene expression in the gills of fish. Young grass carp (Ctenopharyngodon idella) were fed with six diets containing gradual levels of histidine for 8 weeks. The results firstly demonstrated that histidine deficiency caused increases in reactive oxygen species (ROS) contents, and severe oxidative damage (lipid peroxidation and protein oxidation) in the gills of fish, which was partially due to the decreased glutathione (GSH) content and antioxidant enzyme activities [superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione-S-transferase (GST) and glutathione reductase (GR)]. Further investigations indicated that histidine deficiency caused depressions of those antioxidant enzyme activities are related to the down-regulation of corresponding antioxidant enzyme genes and the related signaling factor Nrf2 mRNA levels. Meanwhile, histidine deficiency induced DNA fragmentation via up-regulation of caspase-3, caspase-8 and caspase-9 expressions that referring to the down-regulation of TOR and S6K mRNA levels. Furthermore, His deficiency down-regulated claudin-b, claudin-c, claudin-3, claudin-12, claudin-15, occludin and ZO-1 transcription in fish gills. These effects were partially related to the up-regulation of pro-inflammatory cytokines, interleukin 1β (IL-1β), interleukin 8 (IL-8), tumor necrosis factor-α (TNF-α) and related signaling factor nuclear factor κB P65 (NF-κB P65) mRNA levels, and the down-regulation of anti-inflammatory cytokines, interleukin 10 (IL-10), transforming growth factor β1 (TGF-β1) and related signaling factor IκBα mRNA levels. Excessive histidine exhibited negative effects that were similar to histidine deficiency, whereas the optimal histidine levels reversed those negative effects. Taken together, our results showed that histidine deficiency or excess impaired the structural integrity of fish gill by disrupted fish antioxidant defenses and regulating the expression of tight junction protein, cytokines, apoptosis, antioxidant enzymes, NF-κB p65, IκBα, TOR, Nrf2, Keap1 and apoptosis-related genes in the fish gills.
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Affiliation(s)
- Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Biao Qu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Sheng-Yao Kuang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu 610066, China
| | - Jun Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Ling Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu 610066, China
| | - Wu-Neng Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu 610066, China
| | - Yong-An Zhang
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, Sichuan, China.
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, Sichuan, China.
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89
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Nosworthy MG, Brunton JA. Cysteinyl-glycine reduces mucosal proinflammatory cytokine response to fMLP in a parenterally-fed piglet model. Pediatr Res 2016; 80:293-8. [PMID: 27055186 DOI: 10.1038/pr.2016.69] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 02/02/2016] [Indexed: 11/09/2022]
Abstract
BACKGROUND PepT1 transports dietary and bacterial peptides in the gut. We hypothesized that cysteinyl-glycine would ameliorate the inflammatory effect of a bacterial peptide, formyl-methionyl-leucyl-phenylalanine (fMLP), in both sow-fed and parenterally-fed piglets. METHODS An intestinal perfusion experiment was performed in piglets (N = 12) that were sow-reared or provided with parenteral nutrition (PN) for 4 d. In each piglet, five segments of isolated intestine were perfused with five treatments including cysteine and glycine, cysteinyl-glycine, fMLP, free cysteine and glycine with fMLP, or cysteinyl-glycine with fMLP. Mucosal cytokine responses and intestinal morphology was assessed in each gut segment. RESULTS PN piglets had lower mucosal IL-10 by approximately 20% (P < 0.01). Cysteinyl-glycine lowered TNF-α response to fMLP in PN-fed animals and IFN-γ response to fMLP in both groups (P < 0.05). The free cysteine and glycine treatment reduced TNF-α in sow-fed animals (P < 0.05). fMLP affected villus height in parenterally (P < 0.05), but not sow-fed animals. CONCLUSION Parenteral feeding conferred a susceptibility to mucosal damage by fMLP. The dipeptide was more effective at attenuating the inflammatory response to a bacterial peptide than free amino acids. This may be due to competitive inhibition of fMLP transport or a greater efficiency of transport of dipeptides.
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Affiliation(s)
- Matthew G Nosworthy
- Department of Biochemistry, Memorial University of Newfoundland, St. John's, Newfoundland, Canada
| | - Janet A Brunton
- Department of Biochemistry, Memorial University of Newfoundland, St. John's, Newfoundland, Canada
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90
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Rollinson S, Young K, Bennion-Callister J, Pickering-Brown SM. Identification of biological pathways regulated by PGRN and GRN peptide treatments using transcriptome analysis. Eur J Neurosci 2016; 44:2214-25. [PMID: 27307215 DOI: 10.1111/ejn.13297] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Accepted: 06/14/2016] [Indexed: 01/06/2023]
Abstract
Mutations in progranulin (PGRN) have been linked to two neurodegenerative disorders, heterozygote mutations with frontotemporal lobar degeneration (FTLD) and homozygote mutations with neuronal ceroid lipofuscinosis (NCL). Human PGRN is 593aa secreted growth factor, made up of seven and a half repeats of a highly conserved granulin motif that is cleaved to produce the granulin peptides A-G and paragranulin. While it is thought that PGRN protects against neurodegeneration through its role in inflammation and tissue repair, the role of PGRN and granulins in the nervous system is currently unclear. To better understand this, we prepared recombinant PGRN, granulin A-F and paragranulin, and used these to treat differentiated neuronal SH-SY5Y cells. Using RNA sequencing and bioinformatics techniques we investigated the functional effects of PGRN and the individual granulins upon the transcriptome. For PGRN treatment we show that the main effect of short-duration treatments is the down-regulation of transcripts, supporting that signalling pathway induction appears to be dominant effect. Gene ontology analysis, however, also supports the regulation of biological processes such as the spliceosome and proteasome in response to PGRN treatment, as well as the lysosomal pathway constituents such as CHMP1A, further supporting the role of PGRN in lysosomal function. We also show that the response to granulin treatments involves the regulation of numerous non-coding RNA's, and the granulins cluster into groups of similar activity on the basis of expression profile with paragranulin and PGRN having similar expression profiles, while granulins B, D, E and G appear more similar.
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Affiliation(s)
- Sara Rollinson
- Institute of Brain Behaviour and Mental Health, University of Manchester, AV Hill Building, Ackers Street, Manchester, M13 9PT, UK
| | - Kate Young
- Institute of Brain Behaviour and Mental Health, University of Manchester, AV Hill Building, Ackers Street, Manchester, M13 9PT, UK
| | - Janis Bennion-Callister
- Institute of Brain Behaviour and Mental Health, University of Manchester, AV Hill Building, Ackers Street, Manchester, M13 9PT, UK
| | - Stuart M Pickering-Brown
- Institute of Brain Behaviour and Mental Health, University of Manchester, AV Hill Building, Ackers Street, Manchester, M13 9PT, UK
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91
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Joshi I, Sudhakar S, Nazeer RA. Anti-inflammatory Properties of Bioactive Peptide Derived from Gastropod Influenced by Enzymatic Hydrolysis. Appl Biochem Biotechnol 2016; 180:1128-1140. [PMID: 27287997 DOI: 10.1007/s12010-016-2156-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Accepted: 06/01/2016] [Indexed: 12/31/2022]
Abstract
The visceral mass of the gastropod, Harpa ventricosa was hydrolysed using trypsin, alcalase and pepsin for 12 h to produce protein hydrolysates. Subsequently, the active hydrolysate was observed in the 3rd hour of tryptic hydrolysate (29.17 ± 0.62 and 34.85 ± 0.55 %) using human red blood cell (HRBC) membrane stabilization and albumin denaturation (AD) assays. The active hydrolysate was fractionated by membrane filtration unit, where <10-kDa fraction revealed better anti-inflammatory activity with IC50 value 6.27 ± 0.05 and 5.38 ± 0.02 mg/ml for HRBC and AD assays, respectively. Additionally, the active fraction contains essential and non-essential (aspartic acid, arginine, glutamic acid and leucine) amino acids and, sequentially, the active fraction was further purified using consecutive chromatography, in which fraction C-II exhibited strong anti-inflammatory activity (HRBC 56.02 ± 0.52 and AD 50.71 ± 1.10 % assays). The non-toxic, low molecular weight (690.2 Da) hexapeptide (Ala-Lys-Gly-Thr-Trp-Lys) suppressed the nitric oxide (NO) and pro-cytokine production in a dose-dependent manner on THP-1 cell lines.
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Affiliation(s)
- Ila Joshi
- Department of Biotechnology, School of Bioengineering, SRM University, Kattankulathur, Chennai, Tamilnadu, 603 203, India
| | - Sekar Sudhakar
- Department of Biotechnology, School of Bioengineering, SRM University, Kattankulathur, Chennai, Tamilnadu, 603 203, India
| | - Rasool Abdul Nazeer
- Department of Biotechnology, School of Bioengineering, SRM University, Kattankulathur, Chennai, Tamilnadu, 603 203, India.
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Dietrich S, Floegel A, Weikert C, Prehn C, Adamski J, Pischon T, Boeing H, Drogan D. Identification of Serum Metabolites Associated With Incident Hypertension in the European Prospective Investigation into Cancer and Nutrition-Potsdam Study. Hypertension 2016; 68:471-7. [PMID: 27245178 DOI: 10.1161/hypertensionaha.116.07292] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Accepted: 05/04/2016] [Indexed: 01/11/2023]
Abstract
Metabolomics is a promising tool to gain new insights into early metabolic alterations preceding the development of hypertension in humans. We therefore aimed to identify metabolites associated with incident hypertension using measured data of serum metabolites of the European Prospective Investigation Into Cancer and Nutrition (EPIC)-Potsdam study. Targeted metabolic profiling was conducted on serum blood samples of a randomly drawn EPIC-Potsdam subcohort consisting of 135 cases and 981 noncases of incident hypertension, all of them being free of hypertension and not on antihypertensive therapy at the time of blood sampling. Mean follow-up was 9.9 years. A validated set of 127 metabolites was statistically analyzed with a random survival forest backward selection algorithm to identify predictive metabolites of incident hypertension taking into account important epidemiological hypertension risk markers. Six metabolites were identified to be most predictive for the development of hypertension. Higher concentrations of serine, glycine, and acyl-alkyl-phosphatidylcholines C42:4 and C44:3 tended to be associated with higher and diacyl-phosphatidylcholines C38:4 and C38:3 with lower predicted 10-year hypertension-free survival, although visualization by partial plots revealed some nonlinearity in the above associations. The identified metabolites improved prediction of incident hypertension when used together with known risk markers of hypertension. In conclusion, these findings indicate that metabolic alterations occur early in the development of hypertension. However, these alterations are confined to a few members of the amino acid or phosphatidylcholine metabolism, respectively.
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Affiliation(s)
- Stefan Dietrich
- From the Department of Epidemiology, German Institute of Human Nutrition, Potsdam-Rehbruecke (DIfE), Nuthetal, Germany (S.D., A.F., H.B., D.D.); Department of Food Safety, Federal Institute for Risk Assessment, Berlin, Germany (C.W.); Institute for Social Medicine, Epidemiology, and Health Economics, Charité University Medical Center, Berlin, Germany (C.W.); DZHK (German Center for Cardiovascular Research), Partner Site Berlin, Germany (C.W., T.P.); Molecular Epidemiology Group, Max Delbrück Center for Molecular Medicine (MDC) Berlin-Buch, Berlin, Germany (T.P.); Charité-Universiätsmedizin Berlin, Berlin, Germany (T.P.); and AOK Research Institute (WIdO), AOK Bundesverband, Berlin, Germany (D.D.).
| | - Anna Floegel
- From the Department of Epidemiology, German Institute of Human Nutrition, Potsdam-Rehbruecke (DIfE), Nuthetal, Germany (S.D., A.F., H.B., D.D.); Department of Food Safety, Federal Institute for Risk Assessment, Berlin, Germany (C.W.); Institute for Social Medicine, Epidemiology, and Health Economics, Charité University Medical Center, Berlin, Germany (C.W.); DZHK (German Center for Cardiovascular Research), Partner Site Berlin, Germany (C.W., T.P.); Molecular Epidemiology Group, Max Delbrück Center for Molecular Medicine (MDC) Berlin-Buch, Berlin, Germany (T.P.); Charité-Universiätsmedizin Berlin, Berlin, Germany (T.P.); and AOK Research Institute (WIdO), AOK Bundesverband, Berlin, Germany (D.D.)
| | - Cornelia Weikert
- From the Department of Epidemiology, German Institute of Human Nutrition, Potsdam-Rehbruecke (DIfE), Nuthetal, Germany (S.D., A.F., H.B., D.D.); Department of Food Safety, Federal Institute for Risk Assessment, Berlin, Germany (C.W.); Institute for Social Medicine, Epidemiology, and Health Economics, Charité University Medical Center, Berlin, Germany (C.W.); DZHK (German Center for Cardiovascular Research), Partner Site Berlin, Germany (C.W., T.P.); Molecular Epidemiology Group, Max Delbrück Center for Molecular Medicine (MDC) Berlin-Buch, Berlin, Germany (T.P.); Charité-Universiätsmedizin Berlin, Berlin, Germany (T.P.); and AOK Research Institute (WIdO), AOK Bundesverband, Berlin, Germany (D.D.)
| | | | | | - Tobias Pischon
- From the Department of Epidemiology, German Institute of Human Nutrition, Potsdam-Rehbruecke (DIfE), Nuthetal, Germany (S.D., A.F., H.B., D.D.); Department of Food Safety, Federal Institute for Risk Assessment, Berlin, Germany (C.W.); Institute for Social Medicine, Epidemiology, and Health Economics, Charité University Medical Center, Berlin, Germany (C.W.); DZHK (German Center for Cardiovascular Research), Partner Site Berlin, Germany (C.W., T.P.); Molecular Epidemiology Group, Max Delbrück Center for Molecular Medicine (MDC) Berlin-Buch, Berlin, Germany (T.P.); Charité-Universiätsmedizin Berlin, Berlin, Germany (T.P.); and AOK Research Institute (WIdO), AOK Bundesverband, Berlin, Germany (D.D.)
| | - Heiner Boeing
- From the Department of Epidemiology, German Institute of Human Nutrition, Potsdam-Rehbruecke (DIfE), Nuthetal, Germany (S.D., A.F., H.B., D.D.); Department of Food Safety, Federal Institute for Risk Assessment, Berlin, Germany (C.W.); Institute for Social Medicine, Epidemiology, and Health Economics, Charité University Medical Center, Berlin, Germany (C.W.); DZHK (German Center for Cardiovascular Research), Partner Site Berlin, Germany (C.W., T.P.); Molecular Epidemiology Group, Max Delbrück Center for Molecular Medicine (MDC) Berlin-Buch, Berlin, Germany (T.P.); Charité-Universiätsmedizin Berlin, Berlin, Germany (T.P.); and AOK Research Institute (WIdO), AOK Bundesverband, Berlin, Germany (D.D.)
| | - Dagmar Drogan
- From the Department of Epidemiology, German Institute of Human Nutrition, Potsdam-Rehbruecke (DIfE), Nuthetal, Germany (S.D., A.F., H.B., D.D.); Department of Food Safety, Federal Institute for Risk Assessment, Berlin, Germany (C.W.); Institute for Social Medicine, Epidemiology, and Health Economics, Charité University Medical Center, Berlin, Germany (C.W.); DZHK (German Center for Cardiovascular Research), Partner Site Berlin, Germany (C.W., T.P.); Molecular Epidemiology Group, Max Delbrück Center for Molecular Medicine (MDC) Berlin-Buch, Berlin, Germany (T.P.); Charité-Universiätsmedizin Berlin, Berlin, Germany (T.P.); and AOK Research Institute (WIdO), AOK Bundesverband, Berlin, Germany (D.D.)
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Liu Y, Wang X, Wu H, Chen S, Zhu H, Zhang J, Hou Y, Hu CAA, Zhang G. Glycine enhances muscle protein mass associated with maintaining Akt-mTOR-FOXO1 signaling and suppressing TLR4 and NOD2 signaling in piglets challenged with LPS. Am J Physiol Regul Integr Comp Physiol 2016; 311:R365-73. [PMID: 27225947 DOI: 10.1152/ajpregu.00043.2016] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 05/16/2016] [Indexed: 12/25/2022]
Abstract
Pro-inflammatory cytokines play a critical role in the pathophysiology of muscle atrophy. We hypothesized that glycine exerted an anti-inflammatory effect and alleviated lipopolysaccharide (LPS)-induced muscle atrophy in piglets. Pigs were assigned to four treatments including the following: 1) nonchallenged control, 2) LPS-challenged control, 3) LPS+1.0% glycine, and 4) LPS+2.0% glycine. After receiving the control, 1.0 or 2.0% glycine-supplemented diets, piglets were treated with either saline or LPS. At 4 h after treatment with saline or LPS, blood and muscle samples were harvested. We found that 1.0 or 2.0% glycine increased protein/DNA ratio, protein content, and RNA/DNA ratio in gastrocnemius or longissimus dorsi (LD) muscles. Glycine also resulted in decreased mRNA expression of muscle atrophy F-box (MAFbx) and muscle RING finger 1 (MuRF1) in gastrocnemius muscle. In addition, glycine restored the phosphorylation of Akt, mammalian target of rapamycin (mTOR), eukaryotic initiation factor 4E binding protein 1 (4E-BP1), and Forkhead Box O 1 (FOXO1) in gastrocnemius or LD muscles. Furthermore, glycine resulted in decreased plasma tumor necrosis factor-α (TNF-α) concentration and muscle TNF-α mRNA abundance. Moreover, glycine resulted in decreased mRNA expresson of Toll-like receptor 4 (TLR4), nucleotide-binding oligomerization domain protein 2 (NOD2), and their respective downstream molecules in gastrocnemius or LD muscles. These results indicate glycine enhances muscle protein mass under an inflammatory condition. The beneficial roles of glycine on the muscle are closely associated with maintaining Akt-mTOR-FOXO1 signaling and suppressing the activation of TLR4 and/or NOD2 signaling pathways.
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Affiliation(s)
- Yulan Liu
- Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, China;
| | - Xiuying Wang
- Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, China
| | - Huanting Wu
- Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, China
| | - Shaokui Chen
- Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, China
| | - Huiling Zhu
- Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, China
| | - Jing Zhang
- Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, China
| | - Yongqing Hou
- Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, China
| | - Chien-An Andy Hu
- Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, China; Department of Biochemistry and Molecular Biology, University of New Mexico School of Medicine, Albuquerque, New Mexico; and
| | - Guolong Zhang
- Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, China; Department of Animal Science, Oklahoma State University, Stillwater, Oklahoma
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New Inducible Nitric Oxide Synthase and Cyclooxygenase-2 Inhibitors, Nalidixic Acid Linked to Isatin Schiff Bases via Certain l-Amino Acid Bridges. Molecules 2016; 21:498. [PMID: 27092477 PMCID: PMC6273797 DOI: 10.3390/molecules21040498] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2016] [Revised: 04/02/2016] [Accepted: 04/12/2016] [Indexed: 11/17/2022] Open
Abstract
A series of new Schiff bases were synthesized by condensation of isatins with the nalidixic acid-l-amino acid hydrazides. Prior to hydrazide formation, a peptide linkage has been prepared via coupling of nalidixic acid with appropriate l-amino acid methyl esters to yield 3a-c. The chemical structures of the new Schiff bases (5b and 5d-h) were confirmed by means of IR, NMR, mass spectroscopic, and elemental analyses. The anti-inflammatory activity of these Schiff bases was evaluated via measurement of the expressed inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) in the lipopolysaccharide (LPS)-stimulated RAW264.7 macrophage cells model. The Schiff bases exhibited significant dual inhibitory effect against the induction of the pro-inflammatory iNOS and COX-2 proteins with variable potencies. However, they strongly down-regulated the iNOS expression to the level of 16.5% ± 7.4%-42.2% ± 19.6% compared to the effect on COX-2 expression (<56.4% ± 3.1% inhibition) at the same concentration (10 μM). The higher iNOS inhibition activity of the tested Schiff bases, relative to that of COX-2, seems to be a reflection of the combined suppressive effects exerted by their nalidixic acid, isatins (4a-c), and l-amino acid moieties against iNOS expression. These synthesized nalidixic acid-l-amino acid-isatin conjugates can be regarded as a novel class of anti-inflammatory antibacterial agents.
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Saisavoey T, Sangtanoo P, Reamtong O, Karnchanatat A. Antioxidant and Anti-Inflammatory Effects of Defatted Rice Bran (Oryza SativaL.) Protein Hydrolysates on Raw 264.7 Macrophage Cells. J Food Biochem 2016. [DOI: 10.1111/jfbc.12266] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Tanatorn Saisavoey
- Institute of Biotechnology and Genetic Engineering, Chulalongkorn University; 254 Phayathai Road Pathumwan Bangkok 10330 Thailand
| | - Papassara Sangtanoo
- Institute of Biotechnology and Genetic Engineering, Chulalongkorn University; 254 Phayathai Road Pathumwan Bangkok 10330 Thailand
| | - Onrapak Reamtong
- Department of Molecular Tropical Medicine and Genetics; Faculty of Tropical Medicine, Mahidol University; Bangkok 10300 Thailand
| | - Aphichart Karnchanatat
- Institute of Biotechnology and Genetic Engineering, Chulalongkorn University; 254 Phayathai Road Pathumwan Bangkok 10330 Thailand
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96
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Genome-wide association study and targeted metabolomics identifies sex-specific association of CPS1 with coronary artery disease. Nat Commun 2016; 7:10558. [PMID: 26822151 PMCID: PMC4740183 DOI: 10.1038/ncomms10558] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2015] [Accepted: 12/29/2015] [Indexed: 12/21/2022] Open
Abstract
Metabolites derived from dietary choline and L-carnitine, such as trimethylamine N-oxide and betaine, have recently been identified as novel risk factors for atherosclerosis in mice and humans. We sought to identify genetic factors associated with plasma betaine levels and determine their effect on risk of coronary artery disease (CAD). A two-stage genome-wide association study (GWAS) identified two significantly associated loci on chromosomes 2q34 and 5q14.1. The lead variant on 2q24 (rs715) localizes to carbamoyl-phosphate synthase 1 (CPS1), which encodes a mitochondrial enzyme that catalyses the first committed reaction and rate-limiting step in the urea cycle. Rs715 is also significantly associated with decreased levels of urea cycle metabolites and increased plasma glycine levels. Notably, rs715 yield a strikingly significant and protective association with decreased risk of CAD in only women. These results suggest that glycine metabolism and/or the urea cycle represent potentially novel sex-specific mechanisms for the development of atherosclerosis. Dietary choline metabolites, such as trimethylamine N-oxide and betaine, have been associated with coronary artery disease (CAD). Here, Hartiala et al. identify two genetic loci for betaine levels on chromosomes 2q34 and 5q14.1 and find that the 2q34 locus was also associated with other pathway intermediates, and decreased risk of CAD in women.
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97
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Da Silva MS, Rudkowska I. Dairy nutrients and their effect on inflammatory profile in molecular studies. Mol Nutr Food Res 2015; 59:1249-63. [DOI: 10.1002/mnfr.201400569] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Revised: 12/23/2014] [Accepted: 12/29/2014] [Indexed: 12/17/2022]
Affiliation(s)
- Marine S. Da Silva
- Department of Endocrinology and Nephrology; CHU de Québec Research Center; Quebec QC Canada
| | - Iwona Rudkowska
- Department of Endocrinology and Nephrology; CHU de Québec Research Center; Quebec QC Canada
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Llewellyn KJ, Nalbandian A, Gomez A, Wei D, Walker N, Kimonis VE. Administration of CoQ10 analogue ameliorates dysfunction of the mitochondrial respiratory chain in a mouse model of Angelman syndrome. Neurobiol Dis 2015; 76:77-86. [PMID: 25684537 DOI: 10.1016/j.nbd.2015.01.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 12/23/2014] [Accepted: 01/25/2015] [Indexed: 11/15/2022] Open
Abstract
Genetic defects in the UBE3A gene, which encodes for the imprinted E6-AP ubiquitin E3 ligase (UBE3A), is responsible for the occurrence of Angelman syndrome (AS), a neurodegenerative disorder which arises in 1 out of every 12,000-20,000 births. Classical symptoms of AS include delayed development, impaired speech, and epileptic seizures with characteristic electroencephalography (EEG) readings. We have previously reported impaired mitochondrial structure and reduced complex III in the hippocampus and cerebellum in the Ube3a(m-/p+) mice. CoQ10 supplementation restores the electron flow to the mitochondrial respiratory chain (MRC) to ultimately increase mitochondrial antioxidant capacity. A number of recent studies with CoQ10 analogues seem promising in providing therapeutic benefit to patients with a variety of disorders. CoQ10 therapy has been reported to be safe and relatively well-tolerated at doses as high as 3000mg/day in patients with disorders of CoQ10 biosynthesis and MRC disorders. Herein, we report administration of idebenone, a potent CoQ10 analogue, to the Ube3a(m-/p+) mouse model corrects motor coordination and anxiety levels, and also improves the expression of complexes III and IV in hippocampus CA1 and CA2 neurons and cerebellum in these Ube3a(m-/p+) mice. However, treatment with idebenone illustrated no beneficial effects in the reduction of oxidative stress. To our knowledge, this is the first study to suggest an improvement in mitochondrial respiratory chain dysfunction via bioenergetics modulation with a CoQ10 analogue. These findings may further elucidate possible cellular and molecular mechanism(s) and ultimately a clinical therapeutic approach/benefit for patients with Angelman syndrome.
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Affiliation(s)
- Katrina J Llewellyn
- Department of Pediatrics, Division of Genetics and Genomics, 2501 Hewitt Hall, University of California-Irvine, Irvine, CA 92697, USA.
| | - Angèle Nalbandian
- Department of Pediatrics, Division of Genetics and Genomics, 2501 Hewitt Hall, University of California-Irvine, Irvine, CA 92697, USA
| | - Arianna Gomez
- Department of Pediatrics, Division of Genetics and Genomics, 2501 Hewitt Hall, University of California-Irvine, Irvine, CA 92697, USA
| | - Don Wei
- Department of Anatomy & Neurobiology, Gillespie Hall, University of California-Irvine, Irvine, CA 92697, USA
| | - Naomi Walker
- Department of Pediatrics, Division of Genetics and Genomics, 2501 Hewitt Hall, University of California-Irvine, Irvine, CA 92697, USA
| | - Virginia E Kimonis
- Department of Pediatrics, Division of Genetics and Genomics, 2501 Hewitt Hall, University of California-Irvine, Irvine, CA 92697, USA.
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Boisa N, Elom N, Dean JR, Deary ME, Bird G, Entwistle JA. Development and application of an inhalation bioaccessibility method (IBM) for lead in the PM10 size fraction of soil. ENVIRONMENT INTERNATIONAL 2014; 70:132-42. [PMID: 24934854 DOI: 10.1016/j.envint.2014.05.021] [Citation(s) in RCA: 107] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Revised: 05/23/2014] [Accepted: 05/28/2014] [Indexed: 05/21/2023]
Abstract
An approach for assessing the inhalation bioaccessibility of Pb in the PM10 size fraction is presented, using an in vitro simulated epithelial lung fluid to represent the extracellular environment of the lung. The developed inhalation bioaccessibility method (IBM) is applied to a range of urban surface soils and mining wastes obtained from Mitrovica, Kosovo, a site where impacts upon human health following exposure to Pb have been internationally publicised. All Pb determinations were undertaken by inductively coupled plasma mass spectrometry (ICP-MS). The pseudo-total concentration of Pb (microwave acid digestion using aqua-regia) varied between matrices: smelter (20,900-72,800mgkg(-1)), topsoil (274-13,700mgkg(-1)), and tailings (2990mgkg(-1)-25,300mgkg(-1)). The in vitro inhalation bioaccessibility was typically several orders of magnitude lower: smelter (7.0-965mgkg(-1)), topsoil (9.8-1060mgkg(-1)), and tailings (0.7mgkg(-1)-49.2mgkg(-1)). The % inhalation bioaccessibility ranged from 0.02 to 11.0%, with the higher inhalation bioaccessible Pb concentrations being observed for samples from the Bosniak Mahalla area of Mitrovica (an area proposed for the relocation of internally displaced peoples). The estimated inhalation dose (for adults) calculated from the PM10 pseudo-total Pb concentration ranged from 0.369 to 1.284μgkg(-1)BWday(-1) (smelter), 0.005-0.242μgkg(-1)BWday(-1) (topsoil), and 0.053-0.446μgkg(-1)BWday(-1) (tailings). When daily inhalation doses were calculated using the bioaccessible Pb concentration the modelled exposure doses were much lower: smelter (0.0001-0.0170μgkg(-1)BWday(-1)), topsoil (0.0002-0.0187μgkg(-1)BWday(-1)) and tailings (0.0001-0.0009μgkg(-1)BWday(-1)). Modelled for the neutral pH conditions of the interstitial lung environment, the results indicate a low potential inhalation bioaccessibility for Pb in these samples. Given the already elevated environmental Pb burden experienced by the local population, where significant prolonged dust or particulate generating activities are taking place, or where the inhaled particles are phagocytized, then inhalation exposure has the potential to significantly add to the overall Pb burden. Such data are important for local policy makers to better enable them to assess risk, especially in areas where soils/dusts have elevated levels of contamination.
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Affiliation(s)
- Ndokiari Boisa
- Engineering and Environment, Northumbria University, Ellison Building, Newcastle Upon Tyne, NE1 8ST, UK
| | - Nwabueze Elom
- Department of Applied Sciences, Northumbria University, Ellison Building, Newcastle Upon Tyne, NE1 8ST, UK
| | - John R Dean
- Department of Applied Sciences, Northumbria University, Ellison Building, Newcastle Upon Tyne, NE1 8ST, UK
| | - Michael E Deary
- Engineering and Environment, Northumbria University, Ellison Building, Newcastle Upon Tyne, NE1 8ST, UK
| | - Graham Bird
- School of Environment, Natural Resources and Geography, Bangor University, Bangor, Gwynedd, LL57 2UW, UK
| | - Jane A Entwistle
- Engineering and Environment, Northumbria University, Ellison Building, Newcastle Upon Tyne, NE1 8ST, UK.
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100
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McCarty MF, DiNicolantonio JJ. The cardiometabolic benefits of glycine: Is glycine an 'antidote' to dietary fructose? Open Heart 2014; 1:e000103. [PMID: 25332814 PMCID: PMC4195924 DOI: 10.1136/openhrt-2014-000103] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/26/2014] [Indexed: 02/06/2023] Open
Affiliation(s)
| | - James J DiNicolantonio
- Department of Preventive Cardiology , Saint Luke's Mid America Heart Institute , Kansas City, Missouri , USA
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