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Rastogi S, Verma A, Trivedi R, Shukla A, Kumar D. Clinical metabolomics investigation of rheumatoid arthritis patients receiving ayurvedic whole system intervention. J Ayurveda Integr Med 2024; 15:101009. [PMID: 38972279 DOI: 10.1016/j.jaim.2024.101009] [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: 02/07/2024] [Revised: 05/27/2024] [Accepted: 06/03/2024] [Indexed: 07/09/2024] Open
Abstract
BACKGROUND Arthritis is a common clinical condition seen in Ayurveda clinics. Clinical trials have reported Ayurvedic interventions to be of benefits in many arthritic conditions including Rheumatoid Arthritis (RA). No mechanistic details however are available about how such interventions on their own or as a combination of whole system Ayurveda might be working. OBJECTIVE The study aims to evaluate simultaneously the clinical outcome of Ayurveda whole system (AWS) intervention in RA patients and identifying the serum metabolic signatures which could be useful for diagnosing the disease and monitoring treatment response. MATERIAL AND METHODS RA patients (n = 37) simultaneously diagnosed as Amavata fulfilling the specific inclusion and exclusion criteria were recruited in the study and were given Ayurveda whole system (AWS) intervention comprised of oral medicines, local therapy and dietary recommendation for 3 months. The clinical and serum metabolic changes were investigated for pre-treatment RA patients (baseline RA group, n = 37) and post-treatment RA patients (following treatment of 6-weeks (RA_F, n = 26) and three months (RA_T, n = 36). For comparative serum metabolomics analysis, 57 normal healthy control (HC) subjects were also involved and the serum metabolic profiles were measured at high-field 800 MHz NMR spectrometer. The serum metabolic profiles were compared using multivariate statistical analysis and discriminatory metabolic features were evaluated for diagnostic potential using receiver operating characteristic (ROC) curve analysis. RESULTS A significant reduction in DAS-28 ESR, AAM Score, total swollen joints, total tender joints were observed following AWS intervention. The clinical outcomes were concordant with changes in metabolic profiles of RA patients as these were also shifting towards the normal levels following the intervention. Compared to healthy control (HC) subjects, the sera of baseline RA patients were characterised by increased circulatory level of succinate, lysine, mannose, creatine, and 3-Hydroxybutyrate (3-HB) and decreased levels of alanine. The present study also evaluated the serum metabolic ratios for their discriminatory and diagnostic potential and notably, six metabolic ratios (KHR, KThR, KVR, GHR, PTR and SHR) were found significantly altered (elevated) in baseline RA patients. However, in RA patients receiving AWS treatment, these metabolic changes showed marked convergence towards the metabolic signatures of healthy controls. CONCLUSION This first of its kind study clearly shows the clinical efficacy of Ayurvedic Whole System (AWS) intervention in the management of Rheumatoid Arthritis (RA), as demonstrated by significant improvements in key clinical parameters. The intervention not only alleviated symptoms but also induced a profound metabolic shifting towards normalization; thus, underscoring the potential of AWS intervention to modulate cellular metabolism in a manner that facilitates a return to homeostasis in RA patients. However, future studies are imperative to confirm these preliminary observations and delineate the underlying mechanisms of action of intervention in cases of RA.
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Affiliation(s)
- Sanjeev Rastogi
- Ayurveda -Arthritis Treatment and Advanced Research Center (A-ATARC), Department of Kaya Chikitsa, State Ayurvedibc College and Hospital, Lucknow University, Lucknow, 226003, India.
| | - Ankita Verma
- Ayurveda -Arthritis Treatment and Advanced Research Center (A-ATARC), Department of Kaya Chikitsa, State Ayurvedibc College and Hospital, Lucknow University, Lucknow, 226003, India
| | - Rimjhim Trivedi
- Centre of Biomedical Research (CBMR), SGPGIMS Campus, Lucknow, 226014, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Anuj Shukla
- Ayurveda -Arthritis Treatment and Advanced Research Center (A-ATARC), Department of Kaya Chikitsa, State Ayurvedibc College and Hospital, Lucknow University, Lucknow, 226003, India
| | - Dinesh Kumar
- Centre of Biomedical Research (CBMR), SGPGIMS Campus, Lucknow, 226014, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India.
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Boissais A, Blasco H, Emond P, Lefèvre A, Bigot A, Ramdani Y, Maldent NF, Mulleman D, Pillebout E, Maillot F, Audemard-Verger A. A specific diagnostic metabolome signature in adult IgA vasculitis. Metabolomics 2024; 20:61. [PMID: 38787468 PMCID: PMC11126474 DOI: 10.1007/s11306-024-02107-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 02/28/2024] [Indexed: 05/25/2024]
Abstract
INTRODUCTION IgA vasculitis diagnosis relies primarily on clinical features and is confirmed by pathological findings. To date, there is no reliable noninvasive diagnostic biomarker. OBJECTIVE We aimed to explore the baseline serum metabolome of adult patients with IgA vasculitis to identify potential diagnostic biomarkers. METHODS We performed a study comparing the serum metabolome of patients with IgA vasculitis to that of patients with inflammatory condition, namely spondyloarthritis. Serum analyses were performed by high-performance liquid chromatography-mass spectrometry. RESULTS Fifty-five patients with IgA vasculitis and 77 controls with spondyloarthritis (age- and sex-matched) were included in this study. The median age of IgA vasculitis patients was 53 years. Two-thirds of patients were female (n = 32). At the time of vasculitis diagnosis, 100% of patients had skin involvement and 69% presented with glomerulonephritis (n = 38). Joint and digestive involvement were observed in 56% (n = 31) and 42% (n = 23) of patients. Four discriminative metabolites between the two groups were identified: 1-methyladenosine, L-glutamic acid, serotonin, and thymidine. The multivariate model built from the serum metabolomes of patients with IgA vasculitis and spondyloarthritis revealed an accuracy > 90%. As this model was significant according to the permutation test (p < 0.01), independent validation showed an excellent predictive value of the test set: sensitivity 98%; specificity 98%, positive predictive value 97% and negative predictive value 98%. CONCLUSION To our knowledge, this study is the first to use the metabolomic approach for diagnostic purposes in adult IgA vasculitis, highlighting a specific diagnostic metabolome signature.
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Affiliation(s)
- Alexandre Boissais
- Department of Internal Medicine and Clinical Immunology, University Hospital Center of Tours, Tours, France.
| | - Hélène Blasco
- Biochemistry and Molecular Biology Department, University Hospital Center of Tours, Tours, France
- UMR 1253, iBrain, University of Tours, 37000, InsermTours, France
| | - Patrick Emond
- UMR 1253, iBrain, University of Tours, 37000, InsermTours, France
- In Vitro Nuclear Medicine Department, University Hospital Center of Tours, Tours, France
| | - Antoine Lefèvre
- UMR 1253, iBrain, University of Tours, 37000, InsermTours, France
| | - Adrien Bigot
- Department of Internal Medicine and Clinical Immunology, University Hospital Center of Tours, Tours, France
| | - Yanis Ramdani
- Department of Internal Medicine and Clinical Immunology, University Hospital Center of Tours, Tours, France
| | - Nicole Ferreira Maldent
- Department of Internal Medicine and Clinical Immunology, University Hospital Center of Tours, Tours, France
| | - Denis Mulleman
- Center for Molecular Biophysics, UPR CNRS 4301, Tours, France
- Department of Rheumatology, University Hospital Center of Tours, Tours, France
- Nanomedicines and Nanoprobes Department, University of Tours, Tours, France
| | | | - François Maillot
- Department of Internal Medicine and Clinical Immunology, University Hospital Center of Tours, Tours, France
- UMR 1253, iBrain, University of Tours, 37000, InsermTours, France
| | - Alexandra Audemard-Verger
- Department of Internal Medicine and Clinical Immunology, University Hospital Center of Tours, Tours, France
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Zhou Z, Liu J, Liu J. Application of Weighted Gene Co-Expression Network Analysis to Metabolomic Data from an ApoA-I Knockout Mouse Model. Molecules 2024; 29:694. [PMID: 38338438 PMCID: PMC10856800 DOI: 10.3390/molecules29030694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/30/2024] [Accepted: 01/31/2024] [Indexed: 02/12/2024] Open
Abstract
As the ability to collect profiling data in metabolomics increases substantially with the advances in Liquid Chromatography-Mass Spectrometry (LC-MS) instruments, it is urgent to develop new and powerful data analysis approaches to match the big data collected and to extract as much meaningful information as possible from tens of thousands of molecular features. Here, we applied weighted gene co-expression network analysis (WGCNA), an algorithm popularly used in microarray or RNA sequencing, to plasma metabolomic data and demonstrated several advantages of WGCNA over conventional statistical approaches such as principal component analysis (PCA) and partial least squares discriminant analysis (PLS-DA). By using WGCNA, a large number of molecular features were clustered into a few modules to reduce the dimension of a dataset, the impact of phenotypic traits such as diet type and genotype on the plasma metabolome was evaluated quantitatively, and hub metabolites were found based on the network graph. Our work revealed that WGCNA is a very powerful tool to decipher, interpret, and visualize metabolomic datasets.
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Affiliation(s)
- Zhe Zhou
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Jiao Liu
- Center of Medical and Health Analysis, Peking University Health Science Center, Beijing 100191, China
| | - Jia Liu
- Department of Microbiology and Infectious Disease Center, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
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Rai MK, Yadav S, Jain A, Singh K, Kumar A, Raj R, Dubey D, Singh H, Guleria A, Chaturvedi S, Khan AR, Nath A, Misra DP, Agarwal V, Kumar D. Clinical metabolomics by NMR revealed serum metabolic signatures for differentiating sarcoidosis from tuberculosis. Metabolomics 2023; 19:92. [PMID: 37940751 DOI: 10.1007/s11306-023-02052-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Accepted: 09/20/2023] [Indexed: 11/10/2023]
Abstract
BACKGROUND Pulmonary sarcoidosis (SAR) and tuberculosis (TB) are two granulomatous lung-diseases and often pose a diagnostic challenge to a treating physicians. OBJECTIVE The present study aims to explore the diagnostic potential of NMR based serum metabolomics approach to differentiate SAR from TB. MATERIALS AND METHOD The blood samples were obtained from three study groups: SAR (N = 35), TB (N = 28) and healthy normal subjects (NC, N = 56) and their serum metabolic profiles were measured using 1D 1H CPMG (Carr-Purcell-Meiboom-Gill) NMR spectra recorded at 800 MHz NMR spectrometer. The quantitative metabolic profiles were compared employing a combination of univariate and multivariate statistical analysis methods and evaluated for their diagnostic potential using receiver operating characteristic (ROC) curve analysis. RESULTS Compared to SAR, the sera of TB patients were characterized by (a) elevated levels of lactate, acetate, 3-hydroxybutyrate (3HB), glutamate and succinate (b) decreased levels of glucose, citrate, pyruvate, glutamine, and several lipid and membrane metabolites (such as very-low/low density lipoproteins (VLDL/LDL), polyunsaturated fatty acids, etc.). CONCLUSION The metabolic disturbances not only found to be well in concordance with various previous reports, these further demonstrated very high sensitivity and specificity to distinguish SAR from TB patients suggesting serum metabolomics analysis can serve as surrogate method in the diagnosis and clinical management of SAR.
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Affiliation(s)
- Mohit Kumar Rai
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS), Lucknow, UP, 226014, India
| | - Sachin Yadav
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS), Lucknow, UP, 226014, India
- Department of Chemistry, Integral University, Lucknow, UP, 226026, India
| | - Avinash Jain
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS), Lucknow, UP, 226014, India.
- Department of Clinical Immunology and Rheumatology, SMS Medical College, Jaipur, India.
| | - Kritika Singh
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS), Lucknow, UP, 226014, India
| | - Amit Kumar
- Centre of Biomedical Research (CBMR), Lucknow, UP, 226014, India
| | - Ritu Raj
- Centre of Biomedical Research (CBMR), Lucknow, UP, 226014, India
| | - Durgesh Dubey
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS), Lucknow, UP, 226014, India
- Centre of Biomedical Research (CBMR), Lucknow, UP, 226014, India
| | - Harshit Singh
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS), Lucknow, UP, 226014, India
- Immuno Biology Lab, Translational Health Science and Technology Institute, Faridabad, HR, 121001, India
| | - Anupam Guleria
- Centre of Biomedical Research (CBMR), Lucknow, UP, 226014, India
| | - Saurabh Chaturvedi
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS), Lucknow, UP, 226014, India
- Department of Medical Laboratory Technology, School of Allied Health Sciences, Delhi Pharmaceutical Sciences and Research University, Sector III, Pushp Vihar, M.B. Road, New Delhi, 110017, India
| | - Abdul Rahman Khan
- Department of Chemistry, Integral University, Lucknow, UP, 226026, India
| | - Alok Nath
- Department of Pulmonary Medicine, Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS), Lucknow, UP, 226014, India
| | - Durga Prasanna Misra
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS), Lucknow, UP, 226014, India
| | - Vikas Agarwal
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS), Lucknow, UP, 226014, India.
| | - Dinesh Kumar
- Centre of Biomedical Research (CBMR), Lucknow, UP, 226014, India.
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Khan AR, Zehra S, Baranwal AK, Kumar D, Ali R, Javed S, Bhaisora K. Whole-Blood Metabolomics of a Rat Model of Repetitive Concussion. J Mol Neurosci 2023; 73:843-852. [PMID: 37801210 DOI: 10.1007/s12031-023-02162-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 09/27/2023] [Indexed: 10/07/2023]
Abstract
Mild traumatic brain injury (mTBI) and repetitive mTBI (RmTBI) are silent epidemics, and so far, there is no objective diagnosis. The severity of the injury is solely based on the Glasgow Coma Score (GCS) scale. Most patients suffer from one or more behavioral abnormalities, such as headache, amnesia, cognitive decline, disturbed sleep pattern, anxiety, depression, and vision abnormalities. Additionally, most neuroimaging modalities are insensitive to capture structural and functional alterations in the brain, leading to inefficient patient management. Metabolomics is one of the established omics technologies to identify metabolic alterations, mostly in biofluids. NMR-based metabolomics provides quantitative metabolic information with non-destructive and minimal sample preparation. We employed whole-blood NMR analysis to identify metabolic markers using a high-field NMR spectrometer (800 MHz). Our approach involves chemical-free sample pretreatment and minimal sample preparation to obtain a robust whole-blood metabolic profile from a rat model of concussion. A single head injury was given to the mTBI group, and three head injuries to the RmTBI group. We found significant alterations in blood metabolites in both mTBI and RmTBI groups compared with the control, such as alanine, branched amino acid (BAA), adenosine diphosphate/adenosine try phosphate (ADP/ATP), creatine, glucose, pyruvate, and glycerphosphocholine (GPC). Choline was significantly altered only in the mTBI group and formate in the RmTBI group compared with the control. These metabolites corroborate previous findings in clinical and preclinical cohorts. Comprehensive whole-blood metabolomics can provide a robust metabolic marker for more accurate diagnosis and treatment intervention for a disease population.
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Affiliation(s)
- Ahmad Raza Khan
- Department of Advanced Spectroscopy and Imaging, Centre of Biomedical Research (CBMR), SGPGI Campus, Raebareli Road, Lucknow, India.
| | - Samiya Zehra
- Department of Advanced Spectroscopy and Imaging, Centre of Biomedical Research (CBMR), SGPGI Campus, Raebareli Road, Lucknow, India
| | | | - Dinesh Kumar
- Department of Advanced Spectroscopy and Imaging, Centre of Biomedical Research (CBMR), SGPGI Campus, Raebareli Road, Lucknow, India
| | - Raisuddin Ali
- Department of Pharmaceutics, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Saleem Javed
- Department of Biochemistry, Aligarh Muslim University (AMU), Aligarh, India
| | - Kamlesh Bhaisora
- Department of Neurosurgery, SGPGIMS, Raebareli Road, Lucknow, India
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Kumar A, Prajapati P, Singh G, Kumar D, Mishra V, Kim SC, Raorane CJ, Raj V, Kushwaha S. Salbutamol Attenuates Diabetic Skeletal Muscle Atrophy by Reducing Oxidative Stress, Myostatin/GDF-8, and Pro-Inflammatory Cytokines in Rats. Pharmaceutics 2023; 15:2101. [PMID: 37631314 PMCID: PMC10458056 DOI: 10.3390/pharmaceutics15082101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 08/02/2023] [Accepted: 08/02/2023] [Indexed: 08/27/2023] Open
Abstract
Type 2 diabetes is a metabolic disorder that leads to accelerated skeletal muscle atrophy. In this study, we aimed to evaluate the effect of salbutamol (SLB) on skeletal muscle atrophy in high-fat diet (HFD)/streptozotocin (STZ)-induced diabetic rats. Male Sprague Dawley rats were divided into four groups (n = 6): control, SLB, HFD/STZ, and HFD/STZ + SLB (6 mg/kg orally for four weeks). After the last dose of SLB, rats were assessed for muscle grip strength and muscle coordination (wire-hanging, rotarod, footprint, and actophotometer tests). Body composition was analyzed in live rats. After that, animals were sacrificed, and serum and gastrocnemius (GN) muscles were collected. Endpoints include myofibrillar protein content, muscle oxidative stress and antioxidants, serum pro-inflammatory cytokines (interleukin-1β, interleukin-2, and interleukin-6), serum muscle markers (myostatin, creatine kinase, and testosterone), histopathology, and muscle 1H NMR metabolomics. Findings showed that SLB treatment significantly improved muscle strength and muscle coordination, as well as increased lean muscle mass in diabetic rats. Increased pro-inflammatory cytokines and muscle markers (myostatin, creatine kinase) indicate muscle deterioration in diabetic rats, while SLB intervention restored the same. Also, Feret's diameter and cross-sectional area of GN muscle were increased by SLB treatment, indicating the amelioration in diabetic rat muscle. Results of muscle metabolomics exhibit that SLB treatment resulted in the restoration of perturbed metabolites, including histidine-to-tyrosine, phenylalanine-to-tyrosine, and glutamate-to-glutamine ratios and succinate, sarcosine, and 3-hydroxybutyrate (3HB) in diabetic rats. These metabolites showed a pertinent role in muscle inflammation and oxidative stress in diabetic rats. In conclusion, findings showed that salbutamol could be explored as an intervention in diabetic-associated skeletal muscle atrophy.
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Affiliation(s)
- Anand Kumar
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow 226025, India; (A.K.); (P.P.); (V.M.)
| | - Priyanka Prajapati
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow 226025, India; (A.K.); (P.P.); (V.M.)
| | - Gurvinder Singh
- Centre of Biomedical Research, SGPGIMS Campus, Lucknow 226014, India; (G.S.); (D.K.)
| | - Dinesh Kumar
- Centre of Biomedical Research, SGPGIMS Campus, Lucknow 226014, India; (G.S.); (D.K.)
| | - Vikas Mishra
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow 226025, India; (A.K.); (P.P.); (V.M.)
| | - Seong-Cheol Kim
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea;
| | | | - Vinit Raj
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea;
| | - Sapana Kushwaha
- National Institute of Pharmaceutical Education and Research (NIPER), Raebareli, New Transit Campus, Bijnor-Sisendi Road, Lucknow 226002, India
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Singh U, Alsuhaymi S, Al-Nemi R, Emwas AH, Jaremko M. Compound-Specific 1D 1H NMR Pulse Sequence Selection for Metabolomics Analyses. ACS OMEGA 2023; 8:23651-23663. [PMID: 37426221 PMCID: PMC10324067 DOI: 10.1021/acsomega.3c01688] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 04/13/2023] [Indexed: 07/11/2023]
Abstract
NMR-based metabolomics approaches have been used in a wide range of applications, for example, with medical, plant, and marine samples. One-dimensional (1D) 1H NMR is routinely used to find out biomarkers in biofluids such as urine, blood plasma, and serum. To mimic biological conditions, most NMR studies have been carried out in an aqueous solution where the high intensity of the water peak is a major problem in obtaining a meaningful spectrum. Different methods have been used to suppress the water signal, including 1D Carr-Purcell-Meiboom-Gill (CPMG) presat, consisting of a T2 filter to suppress macromolecule signals and reduce the humped curve in the spectrum. 1D nuclear Overhauser enhancement spectroscopy (NOESY) is another method for water suppression that is used routinely in plant samples with fewer macromolecules than in biofluid samples. Other common 1D 1H NMR methods such as 1D 1H presat and 1D 1H ES have simple pulse sequences; their acquisition parameters can be set easily. The proton with presat has just one pulse and the presat block causes water suppression, while other 1D 1H NMR methods including those mentioned above have more pulses. However, it is not well known in metabolomics studies because it is used only occasionally and in a few types of samples by metabolomics experts. Another effective method is excitation sculpting to suppress water. Herein, we evaluate the effect of method selection on signal intensities of commonly detected metabolites. Different classes of samples including biofluid, plant, and marine samples were investigated, and recommendations on the advantages and limitations of each method are presented.
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Affiliation(s)
- Upendra Singh
- Smart-Health
Initiative (SHI) and Red Sea Research Center (RSRC), Division of Biological
and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, Makkah 23955-6900, Saudi
Arabia
| | - Shuruq Alsuhaymi
- Smart-Health
Initiative (SHI) and Red Sea Research Center (RSRC), Division of Biological
and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, Makkah 23955-6900, Saudi
Arabia
| | - Ruba Al-Nemi
- Smart-Health
Initiative (SHI) and Red Sea Research Center (RSRC), Division of Biological
and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, Makkah 23955-6900, Saudi
Arabia
| | - Abdul-Hamid Emwas
- Core
Lab of NMR, King Abdullah University of
Science and Technology (KAUST), Thuwal, Makkah 23955-6900, Saudi Arabia
| | - Mariusz Jaremko
- Smart-Health
Initiative (SHI) and Red Sea Research Center (RSRC), Division of Biological
and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, Makkah 23955-6900, Saudi
Arabia
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Ran C, Liu C, Peng C, Li X, Liu Y, Li Y, Zhang W, Cai H, Wang L. Oxidative potential of heavy-metal contaminated soil reflects its ecological risk on earthworm. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 323:121275. [PMID: 36780977 DOI: 10.1016/j.envpol.2023.121275] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/04/2023] [Accepted: 02/10/2023] [Indexed: 06/18/2023]
Abstract
The ecological risk of heavy metal-contaminated soil is usually evaluated by its oxidative stress on terrestrial animals, which are vulnerable to the impact of individual differences of animals and environmental conditions. Oxidative potential (OP) is the potential of particles to induce the formation of reactive oxygen species (ROS). In this study, OP of the in situ contaminated soils collected from an industrial site (i.e., 64.5-7783 mg/kg of Cu, 54.9-397 mg/kg of Pb, 278-2085 mg/kg of Zn and 0.615-121 mg/kg of Cd) were measured as 38.0-60.1 pmol/min/mg, and the water extractable Cu, Pb, Zn, and Cd in soils have been proved to contribute 89%-98% to OP. Oxidative stress in earthworms (Eisenia fetida) caused by the industrial contaminated soils can be reflected by the biomarkers such as 8-hydroxy-2'-deoxyguanosine, metallothionein, and antioxidant enzymes, and a negative correlation presents between the comprehensive biomarker response index and the OP of soils (r = -0.979, p < 0.01). This is the first time to propose a dose-response relationship between OP and oxidative stress. Metabolomic analysis also verified that the regulation of four ROS-related metabolites (i.e., l-pipecolate, 1-methylhistidine, 5-methoxytryptamine, and xanthosine) in earthworms treated with contaminated soil were directly correlated with OP values. These results indicate that OP can be used as an indicator for ecological risk assessment of heavy metal-contaminated soil, which provides a fast, stable and easily testable chemical method.
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Affiliation(s)
- Chunmei Ran
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China
| | - Chunguang Liu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China
| | - Chu Peng
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China
| | - Xinxin Li
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China
| | - Yu Liu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China
| | - Ye Li
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China
| | - Wenjun Zhang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China
| | - Hongming Cai
- Institute of Surface-Earth System Science, College of Earth System Science, Tianjin University, Tianjin 300072, PR China
| | - Lei Wang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China.
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Gupta N, Yadav DK, Gautam S, Kumar A, Kumar D, Prasad N. Nuclear Magnetic Resonance-Based Metabolomics Approach Revealed the Intervention Effect of Using Complementary and Alternative Medicine (CAM) by CKD Patients. ACS OMEGA 2023; 8:7722-7737. [PMID: 36872986 PMCID: PMC9979328 DOI: 10.1021/acsomega.2c06469] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 01/26/2023] [Indexed: 06/18/2023]
Abstract
Chronic kidney disease (CKD) is the end point of a number of systemic chronic diseases. The prevalence of CKD is increasing worldwide and recent epidemiological studies are showing the high prevalence of renal failure in CKD patients using complementary and alternative medicines (CAMs). Clinicians believe that biochemical profiles of CKD patients using CAM (referred here to as CAM-CKD) may be different compared to those on standard clinical treatment and should be managed differently. The present study aims to explore the potential of the NMR-based metabolomics approach to reveal the serum metabolic disparity between CKD and CAM-CKD patients with respect to normal control (NC) subjects and if the differential metabolic patterns can provide rationale for the efficacy and safety of standard and/or alternative therapies. Serum samples were obtained from 30 CKD patients, 43 CAM-CKD patients, and 47 NC subjects. The quantitative serum metabolic profiles were measured using 1D 1H CPMG NMR experiments performed at 800 MHz NMR spectrometer. The serum metabolic profiles were compared using various multivariate statistical analysis tools available on MetaboAnalyst (freely available web-based software) such as partial least-squares discriminant analysis (PLS-DA) and random forest (a machine learning) classification method. The discriminatory metabolites were identified based on variable importance in projection (VIP) statistics and further evaluated for statistical significance (i.e., p < 0.05) using either Student t-test or ANOVA statistics. PLS-DA models were capable of clustering CKD and CAM-CKD with considerably high values of Q 2 and R 2. Compared to CAM-CKD patients, the sera of CKD patients were characterized by (a) elevated levels of urea, creatinine, citrate, glucose, glycerol, and phenylalanine and phenylalanine-to-tyrosine ratio (PTR) and (b) decreased levels of various amino acids (such leucine, isoleucine, valine, and alanine), high-density lipoproteins, lactate, and acetate. These changes suggested that CKD patients manifest severe oxidative stress, hyperglycemia (with dampened glycolysis), increased protein energy wasting, and reduced lipid/membrane metabolism. Statistically significant and strong positive correlation of PTR with serum creatinine levels suggested the role of oxidative stress in the progression of kidney disease. Significant differences in metabolic patterns between CKD and CAM-CKD patients were observed. With respect to NC subjects, the serum metabolic changes were more aberrant in CKD patients compared to CAM-CKD patients. The aberrant metabolic changes in CKD patients with manifestations of higher oxidative stress compared to CAM-CKD patients could explain clinical discrepancies between CKD and CAM-CKD patients and further advocate the use of different treatment strategies for CKD and CAM-CKD patients.
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Affiliation(s)
- Nikhil Gupta
- Centre
of Biomedical Research (CBMR), Lucknow, Uttar Pradesh 226014, India
- Department
of Chemistry, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | | | - Sonam Gautam
- Department
of Nephrology, SGPGIMS, Lucknow, Uttar Pradesh 226014, India
| | - Ashish Kumar
- Department
of Chemistry, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Dinesh Kumar
- Centre
of Biomedical Research (CBMR), Lucknow, Uttar Pradesh 226014, India
| | - Narayan Prasad
- Department
of Nephrology, SGPGIMS, Lucknow, Uttar Pradesh 226014, India
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10
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Abstract
Large-vessel vasculitis (LVV) manifests as inflammation of the aorta and its major branches and is the most common primary vasculitis in adults. LVV comprises two distinct conditions, giant cell arteritis and Takayasu arteritis, although the phenotypic spectrum of primary LVV is complex. Non-specific symptoms often predominate and so patients with LVV present to a range of health-care providers and settings. Rapid diagnosis, specialist referral and early treatment are key to good patient outcomes. Unfortunately, disease relapse remains common and chronic vascular complications are a source of considerable morbidity. Although accurate monitoring of disease activity is challenging, progress in vascular imaging techniques and the measurement of laboratory biomarkers may facilitate better matching of treatment intensity with disease activity. Further, advances in our understanding of disease pathophysiology have paved the way for novel biologic treatments that target important mediators of disease in both giant cell arteritis and Takayasu arteritis. This work has highlighted the substantial heterogeneity present within LVV and the importance of an individualized therapeutic approach. Future work will focus on understanding the mechanisms of persisting vascular inflammation, which will inform the development of increasingly sophisticated imaging technologies. Together, these will enable better disease prognostication, limit treatment-associated adverse effects, and facilitate targeted development and use of novel therapies.
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11
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Du J, Ren Y, Liu J, Li T, Zhang Y, Yang S, Kang T, Ning S, Chen L, Guo X, Liu W, Pan L. Association of Prolonged Disease Duration and TG/HDL-C Ratio in Accelerating Atherosclerosis in Patients with Takayasu's Arteritis. Clin Appl Thromb Hemost 2022; 28:10760296221121297. [PMID: 35979594 PMCID: PMC9393669 DOI: 10.1177/10760296221121297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background and aim: Takayasu's arteritis (TA) is a chronic
inflammation that frequently involves the aorta and its major branches. It has
been known that atherosclerosis can occur in some TA patients.
Objectives: This study aimed to identify the risk factors
associated with the development of atherosclerosis in TA. Methods:
This retrospective study enrolled a total of 101 TA patients. All patients were
divided into two groups according to the absence or presence of atherosclerosis.
Baseline demographic features and clinical characteristics were compared between
two groups. A logistic model was applied to determine the risk factors
associated with the development of atherosclerosis. Results: Our
data suggested that the disease duration of patients in the atherosclerosis
group was significantly longer than that of patients in the non-atherosclerosis
group [96(18.00, 180.00) versus 48.00(12.00, 111.00) months]
(P = .015). In addition, the average age of patients with
atherosclerosis was significantly older compared to patients without
atherosclerosis [44.00(38.00, 48.00)versus 28.50(24.00,37.00)years]
(P < .001). Logistic regression
analysis showed that the risk of developing atherosclerosis increased by 9.2%
per 1 year increase in the disease duration (P = .005, OR
1.092, 95%CI: 1.027-1.162). Patients with TG/HDL-C ratio more than 0.8875 were
associated with a 5.861fold increase of risk developing atherosclerosis
(P < .001, OR 5.861, 95%CI:
2.299-14.939). Conclusion: Our study indicated that prolonged
disease duration and elevated TG/HDL-C ratio are associated with the development
of atherosclerosis in TA patients.
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Affiliation(s)
- Juan Du
- Department of Rheumatology and Immunology, Beijing 12667Anzhen Hospital, Capital Medical University, Beijing, China
| | - Yanlong Ren
- Department of Cardiology, Beijing 12667Anzhen Hospital, Capital Medical University, Beijing, China
| | - Jiayi Liu
- Department of Radiology, Beijing 12667Anzhen Hospital, Capital Medical University, Beijing, China
| | - Taotao Li
- Department of Rheumatology and Immunology, Beijing 12667Anzhen Hospital, Capital Medical University, Beijing, China
| | - Yaxin Zhang
- Department of Rheumatology and Immunology, Beijing 12667Anzhen Hospital, Capital Medical University, Beijing, China
| | - Shiyu Yang
- Department of Rheumatology and Immunology, Beijing 12667Anzhen Hospital, Capital Medical University, Beijing, China
| | - Tieduo Kang
- Department of Cardiology, Beijing 12667Anzhen Hospital, Capital Medical University, Beijing, China
| | - Shangqiu Ning
- Department of Cardiology, Beijing 12667Anzhen Hospital, Capital Medical University, Beijing, China
| | - Liying Chen
- Department of Cardiology, Beijing 12667Anzhen Hospital, Capital Medical University, Beijing, China
| | - Xi Guo
- Department of Interventional Radiology, Beijing 12667Anzhen Hospital, Capital Medical University, Beijing, China
| | - Wenxian Liu
- Department of Cardiology, Beijing 12667Anzhen Hospital, Capital Medical University, Beijing, China
| | - Lili Pan
- Department of Rheumatology and Immunology, Beijing 12667Anzhen Hospital, Capital Medical University, Beijing, China
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12
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Chen S, Luan H, He J, Wang Y, Liu S, Li Y, Zeng X, Yuan H. Serum concentrations of small dense low-density lipoprotein cholesterol and lipoprotein(a) are related to coronary arteriostenosis in Takayasu arteritis. J Clin Lab Anal 2021; 35:e23966. [PMID: 34709671 PMCID: PMC8649385 DOI: 10.1002/jcla.23966] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/30/2021] [Accepted: 08/07/2021] [Indexed: 12/29/2022] Open
Abstract
Background Serum small dense low‐density lipoprotein cholesterol (sdLDL‐C) and lipoprotein(a) [Lp(a)] levels are related to coronary disease, but their specific associations with coronary arteriostenosis in Takayasu arteritis (TA) have not been ascertained. This study explored the correlations between serum sdLDL‐C and Lp(a) levels and coronary arteriostenosis in TA patients as well as the degree of artery stenosis. Methods This retrospective study included 190 TA patients and 154 healthy subjects. TA patients were divided into three categories based on the degree of coronary stenosis: Group I, stenosis >50%; Group II, stenosis 1%–50%; and Group III, stenosis 0%. Independent risk factors for coronary arteriostenosis in TA were identified by logistic regression, followed by receiver operating characteristic curve analysis to determine the specificity and sensitivity of risk factors and Youden's Index score calculation to determine the cutoff points. Results Takayasu arteritis patients had significantly higher serum levels of sdLDL‐C and Lp(a) than healthy controls (p < 0.0001). The total cholesterol, triglyceride, LDL‐C, sdLDL‐C, and Lp(a) levels and the sdLDL‐C/LDL‐C ratio in Group I were significantly higher than those in Groups II and III (p < 0.05). An elevated serum sdLDL‐C level elevated the risk of coronary arteriostenosis by 5‐fold (cutoff value, 0.605 mmol/l). An increased serum Lp(a) level increased the risk of coronary arteriostenosis by 3.9‐fold (cutoff value, 0.045 g/l). An elevated sdLDL‐C/LDL‐C ratio increased the risk of coronary arteriostenosis by 2.1‐fold (cutoff value, 0.258). Conclusions Serum sdLDL‐C and Lp(a) levels and sdLDL‐C/LDL‐C ratio may be used as diagnostic factors for coronary arteriostenosis in TA patients.
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Affiliation(s)
- Si Chen
- Department of Clinical Laboratory, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Haixia Luan
- Department of Clinical Laboratory, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Jianxun He
- Department of Clinical Laboratory, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Yan Wang
- Department of Clinical Laboratory, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Shuang Liu
- Department of Clinical Laboratory, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Yongzhe Li
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China
| | - Xiaoli Zeng
- Department of Clinical Laboratory, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Hui Yuan
- Department of Clinical Laboratory, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
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13
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Zhou Y, Feng Y, Zhang W, Li H, Zhang K, Wu Z. Physical Exercise in Managing Takayasu Arteritis Patients Complicated With Cardiovascular Diseases. Front Cardiovasc Med 2021; 8:603354. [PMID: 34055922 PMCID: PMC8149735 DOI: 10.3389/fcvm.2021.603354] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 03/29/2021] [Indexed: 12/12/2022] Open
Abstract
Takayasu arteritis (TA) is a kind of large-vessel vasculitis that mainly affects the aorta and its branches, and the patients are usually women at a relatively young age. The chronic inflammation of arteries in TA patients leads to stenosis, occlusion, dilatation, or aneurysm formation. Patients with TA thereby have a high risk of cardiovascular disease (CVD) complications, which are the most common cause of mortality. This review summarizes the main cardiovascular complications and the risk factors of cardiovascular complications in patients with TA. Here, we discuss the benefits and potential risks of physical exercise in patients with TA and give recommendations about exercise prescription for TA patients to decrease the risks of CVD and facilitate rehabilitation of cardiovascular complications, which might maximally improve the outcomes.
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Affiliation(s)
- Yaxin Zhou
- Department of Clinical Immunology, Xijing Hospital, Air Force Medical University (Fourth Military Medical University), Xi'an, China
| | - Yuan Feng
- Department of Rheumatology and Immunology, Tangdu Hospital, Air Force Medical University (Fourth Military Medical University), Xi'an, China
| | - Wei Zhang
- Department of Rheumatology and Immunology, Xi'an No.5 Hospital, Xi'an, China
| | - Hongxia Li
- Department of Clinical Immunology, Xijing Hospital, Air Force Medical University (Fourth Military Medical University), Xi'an, China.,Department of Rheumatology and Immunology, Air Force Medical Center, Air Force Medical University (Fourth Military Medical University), Beijing, China
| | - Kui Zhang
- Department of Clinical Immunology, Xijing Hospital, Air Force Medical University (Fourth Military Medical University), Xi'an, China
| | - Zhenbiao Wu
- Department of Clinical Immunology, Xijing Hospital, Air Force Medical University (Fourth Military Medical University), Xi'an, China
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14
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Leacy E, Brady G, Little MA. Pathogenesis of ANCA-associated vasculitis: an emerging role for immunometabolism. Rheumatology (Oxford) 2021; 59:iii33-iii41. [PMID: 32348520 DOI: 10.1093/rheumatology/keaa023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 01/02/2020] [Indexed: 12/16/2022] Open
Abstract
ANCA-associated vasculitis (AAV) is a severe systemic autoimmune disease. A key feature of AAV is the presence of Anti-Neutrophil Cytoplasmic Antibodies (ANCA) directed against myeloperoxidase (MPO) or proteinase-3 (PR3). ANCA are key to the pathogenesis of AAV, where they activate innate immune cells to drive inflammation. Pre-activation or 'priming' of immune cells appears to be important for complete cellular activation in AAV. The burgeoning field of immunometabolism has illuminated the governance of immune cell function by distinct metabolic pathways. There is ample evidence that the priming events synonymous with AAV alter immune cell metabolism. In this review we discuss the pathogenesis of AAV and its intersection with recent insights into immune cell metabolism.
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Affiliation(s)
- Emma Leacy
- Trinity Health Kidney Centre, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Gareth Brady
- Trinity Health Kidney Centre, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Mark A Little
- Trinity Health Kidney Centre, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
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15
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Gupta L, Guleria A, Rawat A, Kumar D, Aggarwal A. NMR-based clinical metabolomics revealed distinctive serum metabolic profiles in patients with spondyloarthritis. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2021; 59:85-98. [PMID: 32786028 DOI: 10.1002/mrc.5083] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 07/29/2020] [Accepted: 07/30/2020] [Indexed: 06/11/2023]
Abstract
Spondyloarthritis (SpA) is a common rheumatic disorder of the young, marred by delay in diagnosis, and paucity of biomarkers of disease activity. The present study aimed to explore the potential of serum metabolic profiling of patients with SpA to identify biomarker for the diagnosis and assessment of disease activity. The serum metabolic profiles of 81 patients with SpA were compared with that of 86 healthy controls (HCs) using nuclear magnetic resonance (NMR)-based metabolomics approach. Seventeen patients were followed up after 3 months of standard treatment, and paired sera were analyzed for effects of therapy. Comparisons were done using the multivariate partial least squares discriminant analysis (PLS-DA), and the discriminatory metabolic entities were identified based on variable importance in projection (VIP) statistics and further evaluated for statistical significance (p value < 0.05). We found that the serum metabolic profiles differed significantly in SpA as compared with HCs. Compared with HC, the SpA patients were characterized by increased serum levels of amino acids, acetate, choline, N-acetyl glycoproteins, Nα-acetyl lysine, creatine/creatinine, and so forth and decreased levels of low-/very low-density lipoproteins and polyunsaturated lipids. PLS-DA analysis also revealed metabolic differences between axial and peripheral SpA patients. Further metabolite profiles were found to differ with disease activity and treatment in responding patients. The results presented in this study demonstrate the potential of serum metabolic profiling of axial SpA as a useful tool for diagnosis, prediction of peripheral disease, assessment of disease activity, and treatment response.
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Affiliation(s)
- Latika Gupta
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Anupam Guleria
- Centre of Biomedical Research, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Atul Rawat
- Centre of Biomedical Research, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Dinesh Kumar
- Centre of Biomedical Research, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Amita Aggarwal
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
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16
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Muhammed H, Kumar D, Dubey D, Kumar S, Chaurasia S, Guleria A, Majumder S, Singh R, Agarwal V, Misra R. Metabolomics analysis revealed significantly higher synovial Phe/Tyr ratio in reactive arthritis and undifferentiated spondyloarthropathy. Rheumatology (Oxford) 2020; 59:1587-1590. [PMID: 31641751 DOI: 10.1093/rheumatology/kez493] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 09/19/2019] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE To compare the synovial phenylalanine/tyrosine (Phe/Tyr) ratio between ReA/uSpA and RA and OA by NMR spectroscopy. METHODS Paired SF and serum of 30 patients with ReA/uSpA were collected and analysed using a 1D 1H Carr Purcell Meiboom Gill NMR spectra recorded on 800 MHz NMR spectrometer equipped with a TCI Cryoprobe (at 300 K). Phe and Tyr were quantified. SF from 25 patients with RA fulfilling ACR classification criteria and 21 patients with OA were taken as inflammatory and non-inflammatory controls. RESULTS The synovial Phe/Tyr ratio was significantly higher in ReA/uSpA compared with RA and OA. Synovial Phe/Tyr ratios were comparable in RA and OA patients. Compared with serum, the Phe/Tyr was significantly higher in the SF in ReA/uSpA. The Phe/Tyr ratio was also found to be positively correlated between serum and SF samples, with a regression coefficient (r2) of 0.287. CONCLUSIONS This NMR-based metabolomics study demonstrates that the synovial Phe/Tyr ratio is specifically elevated in ReA/uSpA.
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Affiliation(s)
| | - Dinesh Kumar
- Centre for Biomedical Research, Sanjay Gandhi Post Graduate Institute of Medical Science, Lucknow, India
| | - Durgesh Dubey
- Centre for Biomedical Research, Sanjay Gandhi Post Graduate Institute of Medical Science, Lucknow, India
| | | | | | - Anupam Guleria
- Centre for Biomedical Research, Sanjay Gandhi Post Graduate Institute of Medical Science, Lucknow, India
| | | | - Rajeev Singh
- Department of Clinical Immunology and Rheumatology
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17
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Silva RA, Pereira TC, Souza AR, Ribeiro PR. 1H NMR-based metabolite profiling for biomarker identification. Clin Chim Acta 2020; 502:269-279. [DOI: 10.1016/j.cca.2019.11.015] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 11/11/2019] [Accepted: 11/12/2019] [Indexed: 12/11/2022]
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18
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Fuertes-Martín R, Correig X, Vallvé JC, Amigó N. Title: Human Serum/Plasma Glycoprotein Analysis by 1H-NMR, an Emerging Method of Inflammatory Assessment. J Clin Med 2020; 9:E354. [PMID: 32012794 PMCID: PMC7073769 DOI: 10.3390/jcm9020354] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 01/13/2020] [Accepted: 01/17/2020] [Indexed: 12/17/2022] Open
Abstract
Several studies suggest that variations in the concentration of plasma glycoproteins can influence cellular changes in a large number of diseases. In recent years, proton nuclear magnetic resonance (1H-NMR) has played a major role as an analytical tool for serum and plasma samples. In recent years, there is an increasing interest in the characterization of glycoproteins through 1H-NMR in order to search for reliable and robust biomarkers of disease. The objective of this review was to examine the existing studies in the literature related to the study of glycoproteins from an analytical and clinical point of view. There are currently several techniques to characterize circulating glycoproteins in serum or plasma, but in this review, we focus on 1H-NMR due to its great robustness and recent interest in its translation to the clinical setting. In fact, there is already a marker in H-NMR representing the acetyl groups of the glycoproteins, GlycA, which has been increasingly studied in clinical studies. A broad search of the literature was performed showing a general consensus that GlycA is a robust marker of systemic inflammation. The results also suggested that GlycA better captures systemic inflammation even more than C-reactive protein (CRP), a widely used classical inflammatory marker. The applications reviewed here demonstrated that GlycA was potentially a key biomarker in a wide range of diseases such as cancer, metabolic diseases, cardiovascular risk, and chronic inflammatory diseases among others. The profiling of glycoproteins through 1H-NMR launches an encouraging new paradigm for its future incorporation in clinical diagnosis.
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Affiliation(s)
- Rocío Fuertes-Martín
- Biosfer Teslab SL, 43201 Reus, Spain; (R.F.-M.); (N.A.)
- Metabolomic s platform, IISPV, CIBERDEM, Rovira i Virgili University, 43007 Tarragona, Spain
| | - Xavier Correig
- Metabolomic s platform, IISPV, CIBERDEM, Rovira i Virgili University, 43007 Tarragona, Spain
| | - Joan-Carles Vallvé
- Metabolomic s platform, IISPV, CIBERDEM, Rovira i Virgili University, 43007 Tarragona, Spain
- Lipids and Arteriosclerosis Research Unit, Sant Joan de Reus University Hospital, 43201 Reus, Spain
| | - Núria Amigó
- Biosfer Teslab SL, 43201 Reus, Spain; (R.F.-M.); (N.A.)
- Metabolomic s platform, IISPV, CIBERDEM, Rovira i Virgili University, 43007 Tarragona, Spain
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19
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Kumar U, Jain A, Guleria A, R VK, Misra DP, Goel R, Danda D, Misra R, Kumar D. Circulatory Glutamine/Glucose ratio for evaluating disease activity in Takayasu arteritis: A NMR based serum metabolomics study. J Pharm Biomed Anal 2019; 180:113080. [PMID: 31896520 DOI: 10.1016/j.jpba.2019.113080] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 12/22/2019] [Accepted: 12/23/2019] [Indexed: 01/09/2023]
Abstract
Quantitative assessment of disease activity is important for effective care of patients with Takayasu arteritis (TA). Activated glutaminolysis and reduced glycolytic flux is the hallmark of active inflammation. Based on this, we hypothesize that the circulatory Glutamine/Glucose ratio (QGR) can serve as an indicant of active inflammation in TA. To probe this hypothesis, the serum samples were collected from 45 active and 53 inactive TA patients fulfilling American College of Rheumatology (ACR) criteria and assessed for disease activity according to Indian Takayasu Clinical Activity Score (ITAS) using acute phase reactant-erythrocyte sedimentation rate [ITAS-A (ESR)]. The quantitative profiles of circulatory metabolites implicated in glutaminolysis (Glutamine and Glutamate) and those which estimate glycolytic flux (i.e. glucose and lactate) were measured using high field (800 MHz) NMR spectroscopy. The recorded spectra were analyzed using CHENOMX NMR Suite and the estimated concentration profiles were compared and evaluated for their diagnostic potential using Metaboanalyst. Compared to inactive-TA patients, the sera of active-TA patients were characterized by significantly decreased serum levels of glutamine and lactate suggesting that these patients exhibit activated glutaminolysis and reduced glycolytic activity. This is further supported by significantly decreased QGR and lactate to glucose ratio (LGR) levels in active compared to inactive TA patients. The receiver operating characteristic (ROC) curve analysis revealed satisfactory accuracy, sensitivity and specificity for QGR [with area under ROC curve (AUROC) = 0.76 and 95% confidence interval (CI) = 0.66-0.84) compared to that for LGR (with AUROC = 0.67 and CI = 0.561-0.77). Therefore, we believe that the circulatory QGR has the potential to serve as surrogate marker for the assessment of disease activity in TA patients. However, the use of this ratio in clinical settings will require future studies on large patient cohorts and procedural optimization as well to improve accuracy.
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Affiliation(s)
- Umesh Kumar
- Centre of Biomedical Research, Lucknow-226014, Uttar Pradesh, India; Department of Zoology, BBAU, Lucknow-226025, India
| | - Avinash Jain
- Department of Clinical Immunology, SGPGIMS, Raibareli Road, Lucknow-226014, India
| | - Anupam Guleria
- Centre of Biomedical Research, Lucknow-226014, Uttar Pradesh, India
| | | | - Durga P Misra
- Department of Clinical Immunology, SGPGIMS, Raibareli Road, Lucknow-226014, India
| | | | | | - Ramnath Misra
- Department of Clinical Immunology, SGPGIMS, Raibareli Road, Lucknow-226014, India.
| | - Dinesh Kumar
- Centre of Biomedical Research, Lucknow-226014, Uttar Pradesh, India.
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20
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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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21
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Misra R. Takayasu arteritis: A distinct syndrome of large vessel vasculitis: A view point by late Professor Paul Bacon. Int J Rheum Dis 2019; 22 Suppl 1:49-52. [DOI: 10.1111/1756-185x.13383] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 07/23/2018] [Accepted: 08/10/2018] [Indexed: 11/29/2022]
Affiliation(s)
- Ramnath Misra
- Clinical Immunology and Rheumatology; Sanjay Gandhi Post Graduate Institute of Medical Sciences; Lucknow India
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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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Dubey D, Kumar S, Chaurasia S, Guleria A, Ahmed S, Singh R, Kumari R, Modi DR, Misra R, Kumar D. NMR-Based Serum Metabolomics Revealed Distinctive Metabolic Patterns in Reactive Arthritis Compared with Rheumatoid Arthritis. J Proteome Res 2018; 18:130-146. [PMID: 30376345 DOI: 10.1021/acs.jproteome.8b00439] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Reactive arthritis (ReA) is a member of seronegative spondyloarthropathy (SSA), which involves an acute/subacute onset of asymmetrical lower limb joint inflammation weeks after a genitourinary/gastrointestinal infection. The diagnosis is clinical because it is difficult to culture the microbes from synovial fluid. Arthritis patients with a similar clinical picture but lapsed history of an immediate preceding infection that do not fulfill the diagnostic criteria of other members of SSA, such as ankylosing spondylitis, psoriatic arthritis, and arthritis associated with inflammatory bowel disease, are labeled as peripheral undifferentiated spondyloarthropathy (uSpA). Both ReA and uSpA patients show a strong association with class I major histocompatibility complex allele, HLA-B27, and a clear association with an infectious trigger; however, the disease mechanism is far from clear. Because the clinical picture is largely dominated by rheumatoid-arthritis (RA)-like features including elevated levels of inflammatory markers (such as ESR, CRP, etc.), these overlapping symptoms often confound the clinical diagnosis and represent a clinical dilemma, making treatment choice more generalized. Therefore, there is a compelling need to identify biomarkers that can support the diagnosis of ReA/uSpA. In the present study, we performed NMR-based serum metabolomics analysis and demonstrated that ReA/uSpA patients are clearly distinguishable from controls and further that these patients can also be distinguished from the RA patients based on the metabolic profiles, with high sensitivity and specificity. The discriminatory metabolites were further subjected to area under receiver operating characteristic curve analysis, which led to the identification of four metabolic entities (i.e., valine, leucine, arginine/lysine, and phenylalanine) that could differentiate ReA/uSpA from RA.
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Affiliation(s)
- Durgesh Dubey
- Babasaheb Bhimrao Ambedkar University , Lucknow 226025 , India
| | | | | | | | | | - Rajeev Singh
- National Institute of Virology , Gorkhpur Unit , BRD Medical College Campus , Gorakhpur 273013 , India.,Department of Biochemistry , KGMU , Lucknow 226003 , India
| | - Reena Kumari
- Department of Biochemistry , KGMU , Lucknow 226003 , India
| | - Dinesh Raj Modi
- Babasaheb Bhimrao Ambedkar University , Lucknow 226025 , India
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24
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Misra DP, Naidu GSRSNK, Agarwal V, Sharma A. Vasculitis research: Current trends and future perspectives. Int J Rheum Dis 2018; 22 Suppl 1:10-20. [PMID: 30168260 DOI: 10.1111/1756-185x.13370] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 07/03/2018] [Accepted: 07/25/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Durga P. Misra
- Department of Clinical Immunology; Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS); Lucknow India
| | - Godasi S. R. S. N. K. Naidu
- Department of Internal Medicine; Clinical Immunology and Rheumatology Services; Postgraduate Institute of Medical Education and Research (PGIMER); Chandigarh India
| | - Vikas Agarwal
- Department of Clinical Immunology; Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS); Lucknow India
| | - Aman Sharma
- Department of Internal Medicine; Clinical Immunology and Rheumatology Services; Postgraduate Institute of Medical Education and Research (PGIMER); Chandigarh India
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25
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Jain A, Kumar D, Guleria A, Misra DP, Zanwar A, Chaurasia S, Kumar S, Kumar U, Mishra SK, Goel R, Danda D, Misra R. NMR-Based Serum Metabolomics of Patients with Takayasu Arteritis: Relationship with Disease Activity. J Proteome Res 2018; 17:3317-3324. [DOI: 10.1021/acs.jproteome.8b00456] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Avinash Jain
- Department of Clinical Immunology, SGPGIMS, Lucknow, Uttar Pradesh 226014, India
| | - Dinesh Kumar
- Centre of Biomedical Research, Lucknow, Uttar Pradesh 226014, India
| | - Anupam Guleria
- Centre of Biomedical Research, Lucknow, Uttar Pradesh 226014, India
| | - Durga Prasanna Misra
- Department of Clinical Immunology, SGPGIMS, Lucknow, Uttar Pradesh 226014, India
| | - Abhishek Zanwar
- Department of Clinical Immunology, SGPGIMS, Lucknow, Uttar Pradesh 226014, India
| | - Smriti Chaurasia
- Department of Clinical Immunology, SGPGIMS, Lucknow, Uttar Pradesh 226014, India
| | - Sandeep Kumar
- Department of Clinical Immunology, SGPGIMS, Lucknow, Uttar Pradesh 226014, India
| | - Umesh Kumar
- Centre of Biomedical Research, Lucknow, Uttar Pradesh 226014, India
| | - Shravan K. Mishra
- Department of Clinical Immunology, SGPGIMS, Lucknow, Uttar Pradesh 226014, India
| | - Ruchika Goel
- Christian Medical College, Vellore, Tamil Nadu 632004, India
| | - Debashish Danda
- Christian Medical College, Vellore, Tamil Nadu 632004, India
| | - Ramnath Misra
- Department of Clinical Immunology, SGPGIMS, Lucknow, Uttar Pradesh 226014, India
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26
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Guleria A, Phatak S, Dubey D, Kumar S, Zanwar A, Chaurasia S, Kumar U, Gupta R, Aggarwal A, Kumar D, Misra R. NMR-Based Serum Metabolomics Reveals Reprogramming of Lipid Dysregulation Following Cyclophosphamide-Based Induction Therapy in Lupus Nephritis. J Proteome Res 2018; 17:2440-2448. [PMID: 29877087 DOI: 10.1021/acs.jproteome.8b00192] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Lupus nephritis (LN) is a major cause of morbidity and mortality in lupus. Renal biopsy is the gold standard for classification of nephritis, but because of its impracticality, new approaches for improving patient prognostication and monitoring treatment efficacy are needed. We aimed to evaluate the potential of metabolic profiling in identifying biomarkers to distinguish disease and monitor treatment efficacy in patients with LN. Serum samples from patients with LN ( n = 18) were profiled on NMR-based metabolomics platforms at diagnosis and after 6 months of treatment. LN patients had a different metabolomic fingerprint as compared with healthy controls, with increased lipoproteins and lipids and reduced acetate and amino acids. Using multivariate statistical analysis, we found that the metabolic changes observed in naïve LN patients at diagnosis displayed a variation in the opposite direction upon responding to treatment. Increased levels of lipid metabolites including low- and very-low-density lipoproteins (LDL/VLDL) in LN patients significantly decreased after 6 months of treatment, whereas the serum levels of acetate increased. These levels correlated significantly with SLE Disease Activity Index (SLEDAI 2K), renal SLEDAI, and serum C3 and C4 levels. The result presented in this pilot longitudinal study revealed the reprogramming of metabolome in LN patients on immunosuppressive therapy using NMR-based metabolomics, and thus this approach may be used to monitor the response to treatment.
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Affiliation(s)
- Anupam Guleria
- Centre of Biomedical Research , SGPGIMS Campus , Lucknow 226014 , India
| | - Sanat Phatak
- Department of Clinical Immunology , SGPGIMS , Lucknow 226014 , India
| | - Durgesh Dubey
- Centre of Biomedical Research , SGPGIMS Campus , Lucknow 226014 , India
| | - Sandeep Kumar
- Department of Clinical Immunology , SGPGIMS , Lucknow 226014 , India
| | - Abhishek Zanwar
- Department of Clinical Immunology , SGPGIMS , Lucknow 226014 , India
| | - Smriti Chaurasia
- Department of Clinical Immunology , SGPGIMS , Lucknow 226014 , India
| | - Umesh Kumar
- Centre of Biomedical Research , SGPGIMS Campus , Lucknow 226014 , India
| | - Ranjan Gupta
- Department of Clinical Immunology , SGPGIMS , Lucknow 226014 , India
| | - Amita Aggarwal
- Department of Clinical Immunology , SGPGIMS , Lucknow 226014 , India
| | - Dinesh Kumar
- Centre of Biomedical Research , SGPGIMS Campus , Lucknow 226014 , India
| | - Ramnath Misra
- Department of Clinical Immunology , SGPGIMS , Lucknow 226014 , India
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Chiu KH, Dong CD, Chen CF, Tsai ML, Ju YR, Chen TM, Chen CW. NMR-based metabolomics for the environmental assessment of Kaohsiung Harbor sediments exemplified by a marine amphipod (Hyalella azteca). MARINE POLLUTION BULLETIN 2017; 124:714-724. [PMID: 28267993 DOI: 10.1016/j.marpolbul.2017.02.067] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 02/21/2017] [Accepted: 02/24/2017] [Indexed: 05/08/2023]
Abstract
Inflow of wastewater from upstream causes a large flux of pollutants to enter Kaohsiung Harbor in Taiwan daily. To reveal the ecological risk posed by Kaohsiung Harbor sediments, an ecological metabolomic approach was employed to investigate environmental factors pertinent to the physiological regulation of the marine amphipod Hyalella azteca. The amphipods were exposed to sediments collected from different stream inlets of the Love River (LR), Canon River (CR), Jen-Gen River (JR), and Salt River (SR). Harbor entrance 1 (E1) was selected as a reference site. After 10-day exposure, metabolomic analysis of the Hyalella azteca revealed differences between two groups: {E1, LR, CR} and {JR, SR}. The metabolic pathways identified in the two groups of amphipods were significantly different. The results demonstrated that NMR-based metabolomics can be effectively used to characterize metabolic response related to sediment from polluted areas.
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Affiliation(s)
- K H Chiu
- Department and Graduate Institute of Aquaculture, National Kaohsiung Marine University, Kaohsiung, Taiwan
| | - C D Dong
- Department of Marine Environmental Engineering, National Kaohsiung Marine University, Kaohsiung, Taiwan; Department of Bioinformatics and Medical Engineering, Asia University, Taichung, Taiwan
| | - C F Chen
- Department of Marine Environmental Engineering, National Kaohsiung Marine University, Kaohsiung, Taiwan
| | - M L Tsai
- Department of Seafood Science, National Kaohsiung Marine University, Kaohsiung, Taiwan
| | - Y R Ju
- Department of Marine Environmental Engineering, National Kaohsiung Marine University, Kaohsiung, Taiwan
| | - T M Chen
- Department and Graduate Institute of Aquaculture, National Kaohsiung Marine University, Kaohsiung, Taiwan
| | - C W Chen
- Department of Marine Environmental Engineering, National Kaohsiung Marine University, Kaohsiung, Taiwan.
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28
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Singh V, Sharma RK, Athilingam T, Sinha P, Sinha N, Thakur AK. NMR Spectroscopy-based Metabolomics of Drosophila Model of Huntington's Disease Suggests Altered Cell Energetics. J Proteome Res 2017; 16:3863-3872. [PMID: 28871787 DOI: 10.1021/acs.jproteome.7b00491] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Huntington's disease (HD) is a neurodegenerative disorder induced by aggregation of the pathological form of Huntingtin protein that has expanded polyglutamine (polyQ) repeats. In the Drosophila model, for instance, expression of transgenes with polyQ repeats induces HD-like pathologies, progressively correlating with the increasing lengths of these repeats. Previous studies on both animal models and clinical samples have revealed metabolite imbalances during HD progression. To further explore the physiological processes linked to metabolite imbalances during HD, we have investigated the 1D 1H NMR spectroscopy-based metabolomics profile of Drosophila HD model. Using multivariate analysis (PCA and PLS-DA) of metabolites obtained from methanolic extracts of fly heads displaying retinal deformations due to polyQ overexpression, we show that the metabolite imbalance during HD is likely to affect cell energetics. Six out of the 35 metabolites analyzed, namely, nicotinamide adenine dinucleotide (NAD), lactate, pyruvate, succinate, sarcosine, and acetoin, displayed segregation with progressive severity of HD. Specifically, HD progression was seen to be associated with reduction in NAD and increase in lactate-to-pyruvate ratio. Furthermore, comparative analysis of fly HD metabolome with those of mouse HD model and HD human patients revealed comparable metabolite imbalances, suggesting altered cellular energy homeostasis. These findings thus raise the possibility of therapeutic interventions for HD via modulation of cellular energetics.
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Affiliation(s)
- Virender Singh
- Biological Science and Bioengineering, Indian Institute of Technology Kanpur , Kanpur 208016, India
| | - Raj Kumar Sharma
- Centre of Biomedical Research, SGPGIMS Campus , Lucknow 226014, India
| | | | - Pradip Sinha
- Biological Science and Bioengineering, Indian Institute of Technology Kanpur , Kanpur 208016, India
| | - Neeraj Sinha
- Centre of Biomedical Research, SGPGIMS Campus , Lucknow 226014, India
| | - Ashwani Kumar Thakur
- Biological Science and Bioengineering, Indian Institute of Technology Kanpur , Kanpur 208016, India
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29
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Kumar P, Singh AK, Raj V, Rai A, Maity S, Rawat A, Kumar U, Kumar D, Prakash A, Guleria A, Saha S. 6,7-dimethoxy-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid attenuates heptatocellular carcinoma in rats with NMR-based metabolic perturbations. Future Sci OA 2017; 3:FSO202. [PMID: 28884001 PMCID: PMC5583658 DOI: 10.4155/fsoa-2017-0008] [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] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 03/24/2017] [Indexed: 12/22/2022] Open
Abstract
AIM 6,7-dimethoxy-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid (M1) was synthesized and evaluated for in-vivo antiproliferative action in diethylnitrosamine-induced hepatocarcinogenic rats. MATERIALS & METHODS The antiproliferative effect of M1 was assessed by various biochemical parameters, histopathology of liver and HPLC analysis. Proton nuclear magnetic resonance-based serum metabolic study was implemented on rat sera to explore the effects of M1 on hepatocellular carcinoma-induced metabolic alterations. RESULTS M1 showed protective action on liver and restored the arrangement of liver tissues in normal proportion. HPLC analysis displayed a good plasma drug concentration after its oral administration. Score plots of partial least squares discriminate analysis models exhibited that M1 therapy ameliorated hepatocellular carcinoma-induced metabolic alterations which signified its antiproliferative potential. CONCLUSION M1 manifested notable antiproliferative profile, and warrants further investigation for future anticancer therapy.
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Affiliation(s)
- Pranesh Kumar
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raibareli Road, Lucknow 226025, India
| | - Ashok K Singh
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raibareli Road, Lucknow 226025, India
| | - Vinit Raj
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raibareli Road, Lucknow 226025, India
| | - Amit Rai
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raibareli Road, Lucknow 226025, India
| | - Siddhartha Maity
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032
| | - Atul Rawat
- Centre of Biomedical Research, SGPGIMS Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India
- Department of Biotechnology, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raibareli Road, Lucknow 226025, India
| | - Umesh Kumar
- Centre of Biomedical Research, SGPGIMS Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India
| | - Dinesh Kumar
- Centre of Biomedical Research, SGPGIMS Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India
| | - Anand Prakash
- Department of Biotechnology, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raibareli Road, Lucknow 226025, India
| | - Anupam Guleria
- Centre of Biomedical Research, SGPGIMS Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India
| | - Sudipta Saha
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raibareli Road, Lucknow 226025, India
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Gouveia LR, Santos JC, Silva RD, Batista AD, Domingues ALC, Lopes EPDA, Silva RO. Diagnosis of coinfection by schistosomiasis and viral hepatitis B or C using 1H NMR-based metabonomics. PLoS One 2017; 12:e0182196. [PMID: 28763497 PMCID: PMC5538707 DOI: 10.1371/journal.pone.0182196] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 07/13/2017] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Diagnosis of liver involvement due to schistosomiasis in asymptomatic patients from endemic areas previously diagnosed with chronic hepatitis B (HBV) or C (HCV) and periportal fibrosis is challenging. H-1 Nuclear Magnetic Resonance (NMR)-based metabonomics strategy is a powerful tool for providing a profile of endogenous metabolites of low molecular weight in biofluids in a non-invasive way. The aim of this study was to diagnose periportal fibrosis due to schistosomiasis mansoni in patients with chronic HBV or HCV infection through NMR-based metabonomics models. METHODOLOGY/PRINCIPAL FINDINGS The study included 40 patients divided into two groups: (i) 18 coinfected patients with schistosomiasis mansoni and HBV or HCV; and (ii) 22 HBV or HCV monoinfected patients. The serum samples were analyzed through H-1 NMR spectroscopy and the models were based on Principal Component Analysis (PCA) and Partial Least Squares-Discriminant Analysis (PLS-DA). Ultrasonography examination was used to ascertain the diagnosis of periportal fibrosis. Exploratory analysis showed a clear separation between coinfected and monoinfected samples. The supervised model built from PLS-DA showed accuracy, R2 and Q2 values equal to 100%, 98.1% and 97.5%, respectively. According to the variable importance in the projection plot, lactate serum levels were higher in the coinfected group, while the signals attributed to HDL serum cholesterol were more intense in the monoinfected group. CONCLUSIONS/SIGNIFICANCE The metabonomics models constructed in this study are promising as an alternative tool for diagnosis of periportal fibrosis by schistosomiasis in patients with chronic HBV or HCV infection from endemic areas for Schistosoma mansoni.
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Affiliation(s)
- Liana Ribeiro Gouveia
- Postgraduate Program in Chemistry, Fundamental Chemistry Department, Center for Exact and Natural Sciences, Universidade Federal de Pernambuco (UFPE), Recife, Pernambuco, Brazil
| | - Joelma Carvalho Santos
- Postgraduate Program in Tropical Medicine, Center for Health Sciences, Universidade Federal de Pernambuco (UFPE), Recife, Pernambuco, Brazil
| | - Ronaldo Dionísio Silva
- Postgraduate Program in Chemistry, Fundamental Chemistry Department, Center for Exact and Natural Sciences, Universidade Federal de Pernambuco (UFPE), Recife, Pernambuco, Brazil
| | - Andrea Dória Batista
- Postgraduate Program in Tropical Medicine, Center for Health Sciences, Universidade Federal de Pernambuco (UFPE), Recife, Pernambuco, Brazil
- Department of Internal Medicine, Hospital das Clínicas, Universidade Federal de Pernambuco (UFPE), Recife, Pernambuco, Brazil
| | - Ana Lúcia Coutinho Domingues
- Postgraduate Program in Tropical Medicine, Center for Health Sciences, Universidade Federal de Pernambuco (UFPE), Recife, Pernambuco, Brazil
| | - Edmundo Pessoa de Almeida Lopes
- Postgraduate Program in Tropical Medicine, Center for Health Sciences, Universidade Federal de Pernambuco (UFPE), Recife, Pernambuco, Brazil
- Department of Internal Medicine, Hospital das Clínicas, Universidade Federal de Pernambuco (UFPE), Recife, Pernambuco, Brazil
| | - Ricardo Oliveira Silva
- Postgraduate Program in Chemistry, Fundamental Chemistry Department, Center for Exact and Natural Sciences, Universidade Federal de Pernambuco (UFPE), Recife, Pernambuco, Brazil
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Alpha-linolenic acid stabilizes HIF-1 α and downregulates FASN to promote mitochondrial apoptosis for mammary gland chemoprevention. Oncotarget 2017; 8:70049-70071. [PMID: 29050261 PMCID: PMC5642536 DOI: 10.18632/oncotarget.19551] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 06/12/2017] [Indexed: 12/25/2022] Open
Abstract
Alpha linolenic acid is an essential polyunsaturated fatty acid and is reported to have the anti-cancer potential with no defined hypothesis or mechanism/s. Henceforth present study was in-quested to validate the effect of alpha linolenic acid on mitochondrial apoptosis, hypoxic microenvironment and de novo fatty acid synthesis using in-vitro and in-vivo studies. The IC50 value of alpha linolenic acid was recorded to be 17.55μM against ER+MCF-7 cells. Treatment with alpha linolenic acid was evident for the presence of early and late apoptotic signals along with mitochondrial depolarization, when studied through acridine orange/ethidium bromide and JC-1 staining. Alpha linolenic acid arrested the cell cycle in G2/M phase. Subsequently, the in-vivo efficacy was examined against 7, 12-dimethylbenz anthracene induced carcinogenesis. Treatment with alpha linolenic acid demarcated significant effect upon the cellular proliferation as evidenced through decreased in alveolar bud count, restoration of the histopathological architecture and loss of tumor micro vessels. Alpha linolenic acid restored the metabolic changes to normal when scrutinized through 1H NMR studies. The immunoblotting and qRT-PCR studies revealed participation of mitochondrial mediated death apoptosis pathway and curtailment of hypoxic microenvironment after treatment with alpha linolenic acid. With all above, it was concluded that alpha linolenic acid mediates mitochondrial apoptosis, curtails hypoxic microenvironment along with inhibition of de novo fatty acid synthesis to impart anticancer effects.
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Feng Y, Tang X, Liu M, Zhou J, Zhao X, Li Q. Clinical study of children with Takayasu arteritis: a retrospective study from a single center in China. Pediatr Rheumatol Online J 2017; 15:29. [PMID: 28416004 PMCID: PMC5393038 DOI: 10.1186/s12969-017-0164-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 04/11/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Delayed diagnosis of childhood Takayasu arteritis (TA) is common due to its atypical symptoms. The objective of the present study was to summarize the clinical features of childhood TA to raise awareness and improve management. METHODS Eleven children diagnosed with TA at our hospital were enrolled. Clinical information, diagnosis, treatment, and outcome were then examined retrospectively. The Pediatric Vasculitis Activity Score (PVAS) and the Indian Takayasu Clinical Activity Score (ITAS2010) were used to assess disease activity. RESULTS Male-to-female ratio was 4:7. The mean age was 9.4 (1.4-14) years and the average time to diagnosis was 40.6 days (12-90 days). All patients suffered from hypertension and few had immunologic abnormalities. Two patients had low levels of autoantibodies and one had elevated immunoglobulin E levels. Aberrant (elevated) laboratory parameters included erythrocyte sedimentation rate (ESR) (9/10 patients, 90.0%), protein excretion (8/9 patients, 88.9%), renin-angiotensin-aldosterone system (RAAS) activity (5/5 patients, 100.0%), and serum lipid levels (3/5 patients, 60%). The common onset patterns were headache with convulsions (27.2%) and kidney damage (27.2%). The abdominal aorta (81.8%) and renal artery (72.7%) were the most commonly involved vessels. At presentation, the mean PVAS and ITAS2010 scores were 12.1 (6-26)/63 and 9.7 (5-14)/57, respectively. All patients were treated with glucocorticoids and antihypertensive agents; two underwent renal artery stent placement. CONCLUSION The diagnosis of TA should be considered in patients with pediatric hypertension and high expression of inflammatory markers or abnormal urine results. Doppler ultrasonography of major vessels may be helpful. PVAS and ITAS2010 both help to evaluate disease activity, and the PVAS is recommended for patients with kidney damage. Glucocorticoid and antihypertensive agents are effective. Interventional therapy can be an option for patients with persistent hypertension.
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Affiliation(s)
- Ye Feng
- 0000 0000 8653 0555grid.203458.8Department of Rheumatology and Immunology, Children’s Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders, No. 136, Zhongshan 2nd Road, Yuzhong District, Chongqing, 400014 People’s Republic of China ,Chongqing Key Laboratory of Pediatrics, No. 136, Zhongshan 2nd Road, Yuzhong District, Chongqing, 400014 People’s Republic of China
| | - Xuemei Tang
- Department of Rheumatology and Immunology, Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders, No. 136, Zhongshan 2nd Road, Yuzhong District, Chongqing, 400014, People's Republic of China. .,China International Science and Technology Cooperation base of Child development and Critical Disorders, No. 136, Zhongshan 2nd Road, Yuzhong District, Chongqing, 400014, People's Republic of China. .,Chongqing Key Laboratory of Pediatrics, No. 136, Zhongshan 2nd Road, Yuzhong District, Chongqing, 400014, People's Republic of China.
| | - Mingyue Liu
- 0000 0000 8653 0555grid.203458.8Department of Rheumatology and Immunology, Children’s Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders, No. 136, Zhongshan 2nd Road, Yuzhong District, Chongqing, 400014 People’s Republic of China ,Chongqing Key Laboratory of Pediatrics, No. 136, Zhongshan 2nd Road, Yuzhong District, Chongqing, 400014 People’s Republic of China
| | - Juan Zhou
- 0000 0000 8653 0555grid.203458.8Department of Rheumatology and Immunology, Children’s Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders, No. 136, Zhongshan 2nd Road, Yuzhong District, Chongqing, 400014 People’s Republic of China ,China International Science and Technology Cooperation base of Child development and Critical Disorders, No. 136, Zhongshan 2nd Road, Yuzhong District, Chongqing, 400014 People’s Republic of China ,Chongqing Key Laboratory of Pediatrics, No. 136, Zhongshan 2nd Road, Yuzhong District, Chongqing, 400014 People’s Republic of China
| | - Xiaodong Zhao
- 0000 0000 8653 0555grid.203458.8Department of Rheumatology and Immunology, Children’s Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders, No. 136, Zhongshan 2nd Road, Yuzhong District, Chongqing, 400014 People’s Republic of China ,China International Science and Technology Cooperation base of Child development and Critical Disorders, No. 136, Zhongshan 2nd Road, Yuzhong District, Chongqing, 400014 People’s Republic of China ,Chongqing Key Laboratory of Pediatrics, No. 136, Zhongshan 2nd Road, Yuzhong District, Chongqing, 400014 People’s Republic of China
| | - Qiu Li
- China International Science and Technology Cooperation base of Child development and Critical Disorders, No. 136, Zhongshan 2nd Road, Yuzhong District, Chongqing, 400014 People’s Republic of China ,Chongqing Key Laboratory of Pediatrics, No. 136, Zhongshan 2nd Road, Yuzhong District, Chongqing, 400014 People’s Republic of China
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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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Zhang X, Zhu X, Wang C, Zhang H, Cai Z. Non-targeted and targeted metabolomics approaches to diagnosing lung cancer and predicting patient prognosis. Oncotarget 2016; 7:63437-63448. [PMID: 27566571 PMCID: PMC5325375 DOI: 10.18632/oncotarget.11521] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2015] [Accepted: 08/13/2016] [Indexed: 11/25/2022] Open
Abstract
Lung cancer is the most common cause of cancer death in China. We characterized metabolic alterations in lung cancer using two analytical platforms: a non-targeted metabolic profiling strategy based on proton nuclear magnetic resonance (1H-NMR) spectroscopy and a targeted metabolic profiling strategy based on rapid resolution liquid chromatography (RRLC). Changes in serum metabolite levels during oncogenesis were evaluated in 25 stage I lung cancer patients and matched healthy controls. We identified 25 metabolites that were differentially regulated between the lung cancer patients and matched controls. Of those, 16 were detected using the non-targeted approach and 9 were identified using the targeted approach. Both groups of metabolites could differentiate between lung cancer patients and healthy controls with 100% sensitivity and specificity. The principal metabolic alternations in lung cancer included changes in glycolysis, lipid metabolism, choline phospholipid metabolism, one-carbon metabolism, and amino acid metabolism. The targeted metabolomics approach was more sensitive, accurate, and specific than the non-targeted metabolomics approach. However, our data suggest that both metabolomics strategies could be used to detect early-stage lung cancer and predict patient prognosis.
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Affiliation(s)
- Xiaoli Zhang
- The Affiliated Luohu Hospital of Shenzhen University, Shenzhen 518001, China
| | - Xinyue Zhu
- College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Caihong Wang
- Shijiazhuang Huaguang Traditional Chinese Medicine Tumor Hospital, Shijiazhuang 050000, China
| | - Haixia Zhang
- College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Zhiming Cai
- The Affiliated Luohu Hospital of Shenzhen University, Shenzhen 518001, China
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Sweeney SR, Kavanaugh A, Lodi A, Wang B, Boyle D, Tiziani S, Guma M. Metabolomic profiling predicts outcome of rituximab therapy in rheumatoid arthritis. RMD Open 2016; 2:e000289. [PMID: 27651926 PMCID: PMC5013418 DOI: 10.1136/rmdopen-2016-000289] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 06/27/2016] [Accepted: 07/21/2016] [Indexed: 01/13/2023] Open
Abstract
OBJECTIVE To determine whether characterisation of patients' metabolic profiles, utilising nuclear magnetic resonance (NMR) and mass spectrometry (MS), could predict response to rituximab therapy. 23 patients with active, seropositive rheumatoid arthritis (RA) on concomitant methotrexate were treated with rituximab. Patients were grouped into responders and non-responders according to the American College of Rheumatology improvement criteria, at a 20% level at 6 months. A Bruker Avance 700 MHz spectrometer and a Thermo Scientific Q Exactive Hybrid Quadrupole-Orbitrap mass spectrometer were used to acquire (1)H-NMR and ultra high pressure liquid chromatography (UPLC)-MS/MS spectra, respectively, of serum samples before and after rituximab therapy. Data processing and statistical analysis were performed in MATLAB. 14 patients were characterised as responders, and 9 patients were considered non-responders. 7 polar metabolites (phenylalanine, 2-hydroxyvalerate, succinate, choline, glycine, acetoacetate and tyrosine) and 15 lipid species were different between responders and non-responders at baseline. Phosphatidylethanolamines, phosphatidyserines and phosphatidylglycerols were downregulated in responders. An opposite trend was observed in phosphatidylinositols. At 6 months, 5 polar metabolites (succinate, taurine, lactate, pyruvate and aspartate) and 37 lipids were different between groups. The relationship between serum metabolic profiles and clinical response to rituximab suggests that (1)H-NMR and UPLC-MS/MS may be promising tools for predicting response to rituximab.
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Affiliation(s)
- Shannon R Sweeney
- Department of Nutritional Sciences, Dell Pediatric Research Institute, University of Texas at Austin, Austin, Texas, USA
| | - Arthur Kavanaugh
- Division of Rheumatology, Allergy and Immunology, UC San Diego School of Medicine, La Jolla, California, USA
| | - Alessia Lodi
- Department of Nutritional Sciences, Dell Pediatric Research Institute, University of Texas at Austin, Austin, Texas, USA
| | - Bo Wang
- Department of Nutritional Sciences, Dell Pediatric Research Institute, University of Texas at Austin, Austin, Texas, USA
| | - David Boyle
- Division of Rheumatology, Allergy and Immunology, UC San Diego School of Medicine, La Jolla, California, USA
| | - Stefano Tiziani
- Department of Nutritional Sciences, Dell Pediatric Research Institute, University of Texas at Austin, Austin, Texas, USA
| | - Monica Guma
- Division of Rheumatology, Allergy and Immunology, UC San Diego School of Medicine, La Jolla, California, USA
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Tomečková V, Komanický V, Kakoush M, Krajčíková K, Glinská G, Široká M, Pundová L, Samuely T, Hložná D, Lotnyk D. Monitoring of Heart Ischemia in Blood Serum. ACTA ACUST UNITED AC 2016. [DOI: 10.4236/sar.2016.42002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Bacon P. Which way is vasculitis research heading? INDIAN JOURNAL OF RHEUMATOLOGY 2015. [DOI: 10.1016/j.injr.2015.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Misra DP, Misra R. Assessment of disease activity in Takayasu's arteritis. INDIAN JOURNAL OF RHEUMATOLOGY 2015. [DOI: 10.1016/j.injr.2015.08.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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