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Zhang S, Gao YF, Zhang K, Deng GR, He GX, Gao PP, Yu YK, Yuan Y, Xing SJ, Zhao N, Zhang H, Di-Wu YC, Liu YH, Sui BD, Li Z, Ma J, Zheng CX. Integrating network pharmacology and experimental validation reveals therapeutic effects of D-mannose on NAFLD through mTOR suppression. Biochem Biophys Res Commun 2024; 715:149999. [PMID: 38678787 DOI: 10.1016/j.bbrc.2024.149999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 04/16/2024] [Accepted: 04/23/2024] [Indexed: 05/01/2024]
Abstract
Non-alcoholic fatty liver disease (NAFLD), a chronic liver condition and metabolic disorder, has emerged as a significant health issue worldwide. D-mannose, a natural monosaccharide widely existing in plants and animals, has demonstrated metabolic regulatory properties. However, the effect and mechanism by which D-mannose may counteract NAFLD have not been studied. In this study, network pharmacology followed by molecular docking analysis was utilized to identify potential targets of mannose against NAFLD, and the leptin receptor-deficient, genetically obese db/db mice was employed as an animal model of NAFLD to validate the regulation of D-mannose on core targets. As a result, 67 targets of mannose are predicted associated with NAFLD, which are surprisingly centered on the mechanistic target of rapamycin (mTOR). Further analyses suggest that mTOR signaling is functionally enriched in potential targets of mannose treating NAFLD, and that mannose putatively binds to mTOR as a core mechanism. Expectedly, repeated oral gavage of supraphysiological D-mannose ameliorates liver steatosis of db/db mice, which is based on suppression of hepatic mTOR signaling. Moreover, daily D-mannose administration reduced hepatic expression of lipogenic regulatory genes in counteracting NAFLD. Together, these findings reveal D-mannose as an effective and potential NAFLD therapeutic through mTOR suppression, which holds translational promise.
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Affiliation(s)
- Sha Zhang
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; College of Basic Medicine, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, 712046, China
| | - Ying-Feng Gao
- Xi'an Key Laboratory of Stem Cell and Regenerative Medicine, Institute of Medical Research, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
| | - Kai Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Guo-Rong Deng
- Department of Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, China
| | - Guang-Xiang He
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; The First Clinical Medical College, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, 712046, China
| | - Ping-Ping Gao
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Yi-Kang Yu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; School of Basic Medicine, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Yuan Yuan
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Shu-Juan Xing
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Na Zhao
- Xi'an Key Laboratory of Stem Cell and Regenerative Medicine, Institute of Medical Research, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
| | - Hong Zhang
- Medical Experiment Center, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, 712046, China
| | - Yong-Chang Di-Wu
- College of Basic Medicine, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, 712046, China
| | - Yi-Han Liu
- Department of Stomatology, The First Medical Center, Chinese PLA General Hospital, Beijing, Beijing, 100039, China
| | - Bing-Dong Sui
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China.
| | - Zhe Li
- The First Clinical Medical College, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, 712046, China.
| | - Jing Ma
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Fourth Military Medical University, Xi'an, Shaanxi, 710032, China.
| | - Chen-Xi Zheng
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China.
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Dingare C, Cao D, Yang JJ, Sozen B, Steventon B. Mannose controls mesoderm specification and symmetry breaking in mouse gastruloids. Dev Cell 2024; 59:1523-1537.e6. [PMID: 38636516 DOI: 10.1016/j.devcel.2024.03.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 01/29/2024] [Accepted: 03/21/2024] [Indexed: 04/20/2024]
Abstract
Patterning and growth are fundamental features of embryonic development that must be tightly coordinated. To understand how metabolism impacts early mesoderm development, we used mouse embryonic stem-cell-derived gastruloids, that co-expressed glucose transporters with the mesodermal marker T/Bra. We found that the glucose mimic, 2-deoxy-D-glucose (2-DG), blocked T/Bra expression and abolished axial elongation in gastruloids. However, glucose removal did not phenocopy 2-DG treatment despite a decline in glycolytic intermediates. As 2-DG can also act as a competitive inhibitor of mannose in protein glycosylation, we added mannose together with 2-DG and found that it could rescue the mesoderm specification both in vivo and in vitro. We further showed that blocking production and intracellular recycling of mannose abrogated mesoderm specification. Proteomics analysis demonstrated that mannose reversed glycosylation of the Wnt pathway regulator, secreted frizzled receptor Frzb. Our study showed how mannose controls mesoderm specification in mouse gastruloids.
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Affiliation(s)
- Chaitanya Dingare
- Deptartment of Genetics, University of Cambridge, Downing Site, Cambridge CB2 3EH, UK.
| | - Dominica Cao
- Department of Genetics, Yale School of Medicine, Yale University, New Haven, CT, USA
| | - Jenny Jingni Yang
- Deptartment of Genetics, University of Cambridge, Downing Site, Cambridge CB2 3EH, UK
| | - Berna Sozen
- Department of Genetics, Yale School of Medicine, Yale University, New Haven, CT, USA; Yale Stem Cell Centre, Yale University, New Haven, CT, USA; Department of Obstetrics, Gynaecology and Reproductive Sciences, Yale School of Medicine, Yale University, New Haven, CT, USA
| | - Benjamin Steventon
- Deptartment of Genetics, University of Cambridge, Downing Site, Cambridge CB2 3EH, UK.
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Zhang K, Zhu J, Wang P, Chen Y, Wang Z, Ge X, Wu J, Chen L, Lu Y, Xu P, Yao J. Plasma metabolites as mediators in immune cell-pancreatic cancer risk: insights from Mendelian randomization. Front Immunol 2024; 15:1402113. [PMID: 38933268 PMCID: PMC11199692 DOI: 10.3389/fimmu.2024.1402113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Accepted: 05/31/2024] [Indexed: 06/28/2024] Open
Abstract
Background Immune cells play a crucial role in the development and progression of pancreatic cancer, yet the causal relationship remains uncertain due to complex immune microenvironments and conflicting research findings. Mendelian randomization (MR), this study aims to delineate the causal relationships between immune cells and pancreatic cancer while identifying intermediary factors. Methods The genome-wide association study (GWAS) data on immune cells, pancreatic cancer, and plasma metabolites are derived from public databases. In this investigation, inverse variance weighting (IVW) as the primary analytical approach to investigate the causal relationship between exposure and outcome. Furthermore, this study incorporates MR-Egger, simple mode, weighted median, and weighted mode as supplementary analytical approaches. To ensure the reliability of our findings, we further assessed horizontal pleiotropy and heterogeneity and evaluated the stability of MR results using the Leave-one-out method. In conclusion, this study employed mediation analysis to elucidate the potential mediating effects of plasma metabolites. Results Our investigation revealed a causal relationship between immune cells and pancreatic cancer, highlighting the pivotal roles of CD11c+ monocytes (odds ratio, ORIVW=1.105; 95% confidence interval, 95%CI: 1.002-1.218; P=0.045), HLA DR+ CD4+ antigen-presenting cells (ORIVW=0.920; 95%CI: 0.873-0.968; P=0.001), and HLA DR+ CD8br T cells (ORIVW=1.058; 95%CI: 1.002-1.117; P=0.041) in pancreatic cancer progression. Further mediation analysis indicated that oxalate (proportion of mediation effect in total effect: -11.6%, 95% CI: -89.7%, 66.6%) and the mannose to trans-4-hydroxyproline ratio (-19.4, 95% CI: -136%, 96.8%) partially mediate the relationship between HLA DR+ CD8br T cells and pancreatic cancer in nature. In addition, our analysis indicates that adrenate (-8.39%, 95% CI: -18.3%, 1.54%) plays a partial mediating role in the association between CD11c+ monocyte and pancreatic cancer, while cortisone (-26.6%, 95% CI: 138%, -84.8%) acts as a partial mediator between HLA DR+ CD4+ AC and pancreatic cancer. Conclusion This MR investigation provides evidence supporting the causal relationship between immune cell and pancreatic cancer, with plasma metabolites serving as mediators. Identifying immune cell phenotypes with potential causal effects on pancreatic cancer sheds light on its underlying mechanisms and suggests novel therapeutic targets.
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Affiliation(s)
- Ke Zhang
- Dalian Medical University, Dalian, China
| | - Jie Zhu
- Department of Hepatobiliary and Pancreatic Surgery, Northern Jiangsu People’s Hospital Affiliated Yangzhou University, Yangzhou, China
| | - Peng Wang
- Department of Hepatobiliary and Pancreatic Surgery, Northern Jiangsu People’s Hospital Affiliated Yangzhou University, Yangzhou, China
| | - Yuan Chen
- Department of Hepatobiliary and Pancreatic Surgery, Northern Jiangsu People’s Hospital Affiliated Yangzhou University, Yangzhou, China
| | - Zhengwang Wang
- Department of Hepatobiliary and Pancreatic Surgery, Northern Jiangsu People’s Hospital Affiliated Yangzhou University, Yangzhou, China
| | - Xinyu Ge
- Dalian Medical University, Dalian, China
| | - Junqing Wu
- Department of Hepatobiliary and Pancreatic Surgery, Northern Jiangsu People’s Hospital Affiliated Yangzhou University, Yangzhou, China
| | - Long Chen
- Department of Hepatobiliary and Pancreatic Surgery, Northern Jiangsu People’s Hospital Affiliated Yangzhou University, Yangzhou, China
| | - Yipin Lu
- Department of Hepatobiliary and Pancreatic Surgery, Northern Jiangsu People’s Hospital Affiliated Yangzhou University, Yangzhou, China
| | - Peng Xu
- Department of Hepatobiliary and Pancreatic Surgery, Northern Jiangsu People’s Hospital Affiliated Yangzhou University, Yangzhou, China
| | - Jie Yao
- Department of Hepatobiliary and Pancreatic Surgery, Northern Jiangsu People’s Hospital Affiliated Yangzhou University, Yangzhou, China
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Hayward G, Mort S, Hay AD, Moore M, Thomas NPB, Cook J, Robinson J, Williams N, Maeder N, Edeson R, Franssen M, Grabey J, Glogowska M, Yang Y, Allen J, Butler CC. d-Mannose for Prevention of Recurrent Urinary Tract Infection Among Women: A Randomized Clinical Trial. JAMA Intern Med 2024; 184:619-628. [PMID: 38587819 PMCID: PMC11002776 DOI: 10.1001/jamainternmed.2024.0264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 12/12/2023] [Indexed: 04/09/2024]
Abstract
Importance Recurrent urinary tract infection (UTI) is a common debilitating condition in women, with limited prophylactic options. d-Mannose has shown promise in trials based in secondary care, but effectiveness in placebo-controlled studies and community settings has not been established. Objective To determine whether d-mannose taken for 6 months reduces the proportion of women with recurrent UTI experiencing a medically attended UTI. Design, Setting, and Participants This 2-group, double-blind randomized placebo-controlled trial took place across 99 primary care centers in the UK. Participants were recruited between March 28, 2019, and January 31, 2020, with 6 months of follow-up. Participants were female, 18 years or older, living in the community, and had evidence in their primary care record of consultations for at least 2 UTIs in the preceding 6 months or 3 UTIs in 12 months. Invitation to participate was made by their primary care center. A total of 7591 participants were approached, 830 responded, and 232 were ineligible or did not proceed to randomization. Statistical analysis was reported in December 2022. Intervention Two grams daily of d-mannose powder or matched volume of placebo powder. Main Outcomes and Measures The primary outcome measure was the proportion of women experiencing at least 1 further episode of clinically suspected UTI for which they contacted ambulatory care within 6 months of study entry. Secondary outcomes included symptom duration, antibiotic use, time to next medically attended UTI, number of suspected UTIs, and UTI-related hospital admissions. Results Of 598 women eligible (mean [range] age, 58 [18-93] years), 303 were randomized to d-mannose (50.7%) and 295 to placebo (49.3%). Primary outcome data were available for 583 participants (97.5%). The proportion contacting ambulatory care with a clinically suspected UTI was 150 of 294 (51.0%) in the d-mannose group and 161 of 289 (55.7%) in the placebo group (risk difference, -5%; 95% CI, -13% to 3%; P = .26). Estimates were similar in per protocol analyses, imputation analyses, and preplanned subgroups. There were no statistically significant differences in any secondary outcome measures. Conclusions and Relevance In this randomized clinical trial, daily d-mannose did not reduce the proportion of women with recurrent UTI in primary care who experienced a subsequent clinically suspected UTI. d-Mannose should not be recommended for prophylaxis in this patient group. Trial Registration isrctn.org Identifier: ISRCTN13283516.
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Affiliation(s)
- Gail Hayward
- Nuffield Department of Primary Care Health Sciences, Oxford University, Oxford, England, United Kingdom
| | - Sam Mort
- Nuffield Department of Primary Care Health Sciences, Oxford University, Oxford, England, United Kingdom
| | - Alastair D. Hay
- Centre for Academic Primary Care, NIHR School for Primary Care Research, Bristol Medical School: Population Health Sciences, University of Bristol, Bristol, England, United Kingdom
| | - Michael Moore
- Primary Care Research Centre, Primary Care, Population Sciences and Medical Education, Faculty of Medicine, University of Southampton, Southampton, England, United Kingdom
| | - Nicholas P. B. Thomas
- Windrush Medical Practice, Witney, England, United Kingdom
- NIHR Clinical Research Network Thames Valley and South Midlands, Oxford, England, United Kingdom
| | - Johanna Cook
- Nuffield Department of Primary Care Health Sciences, Oxford University, Oxford, England, United Kingdom
| | - Jared Robinson
- Nuffield Department of Primary Care Health Sciences, Oxford University, Oxford, England, United Kingdom
| | - Nicola Williams
- Nuffield Department of Primary Care Health Sciences, Oxford University, Oxford, England, United Kingdom
| | - Nicola Maeder
- Nuffield Department of Primary Care Health Sciences, Oxford University, Oxford, England, United Kingdom
| | - Rebecca Edeson
- Nuffield Department of Primary Care Health Sciences, Oxford University, Oxford, England, United Kingdom
| | - Marloes Franssen
- Oxford Trauma and Emergency Care, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, Oxford University, England, United Kingdom
| | - Jenna Grabey
- Nuffield Department of Primary Care Health Sciences, Oxford University, Oxford, England, United Kingdom
| | - Margaret Glogowska
- Nuffield Department of Primary Care Health Sciences, Oxford University, Oxford, England, United Kingdom
| | - Yaling Yang
- Nuffield Department of Primary Care Health Sciences, Oxford University, Oxford, England, United Kingdom
| | - Julie Allen
- Nuffield Department of Primary Care Health Sciences, Oxford University, Oxford, England, United Kingdom
| | - Christopher C. Butler
- Nuffield Department of Primary Care Health Sciences, Oxford University, Oxford, England, United Kingdom
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Shekarchian A, Bandarian F, Hadizadeh A, Amirsardari Z, Sharifi Y, Ayati A, Varmaghani M, Shandiz AF, Sharifi F, Ghadery AH, Tayanloo A, Yavari T, Larijani B, Payab M, Ebrahimpur M. Exploring the metabolomics profile of frailty- a systematic review. J Diabetes Metab Disord 2024; 23:289-303. [PMID: 38932837 PMCID: PMC11196473 DOI: 10.1007/s40200-023-01379-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 12/19/2023] [Indexed: 06/28/2024]
Abstract
Background Frailty is a multifaceted geriatric syndrome characterized by an increased vulnerability to stressful events. metabolomics studies are valuable tool for better understanding the underlying mechanisms of pathologic conditions. This review aimed to elucidate the metabolomics profile of frailty. Method This systematic review was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) 2020 statement. A comprehensive search was conducted across multiple databases. Initially, 5027 results were retrieved, and after removing duplicates, 1838 unique studies were subjected to screening. Subsequently, 248 studies underwent full-text screening, with 21 studies ultimately included in the analysis. Data extraction was performed meticulously by two authors, and the quality of the selected studies was assessed using the Critical Appraisal Skills Program (CASP) checklist. Results The findings revealed that certain Branched-chain amino acids (BCAAs) levels were lower in frail subjects compared to robust subjects, while levels of glutamate and glutamine were higher in frail individuals. Moreover, sphingomyelins and phosphatidylcholines (PC) displayed a decreasing trend as frailty advanced. Additionally, other metabolic derivatives, such as carnitine, exhibited significant associations with frailty. These metabolites were primarily interconnected through biochemical pathways related to the tricarboxylic acid and urea cycles. Notably, frailty was associated with a decrease in metabolic derivatives, including carnitine. Conclusion This study underscores the intricate relationship between essential metabolites, including amino acids and lipids, and their varying levels in frail individuals compared to their robust counterparts. It provides a comprehensive panel of metabolites, shedding light on their potential associations with frailty and expanding our understanding of this complex syndrome.
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Affiliation(s)
- Ahmadreza Shekarchian
- Metabolomics and Genomics Research Center, Endocrinology and Metabolism Molecular- Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Bandarian
- Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Hadizadeh
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Zahra Amirsardari
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Yasaman Sharifi
- Department of Radiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran university of medical sciences, Tehran, Iran
| | - Aryan Ayati
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehdi Varmaghani
- Social Determinants of Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Farshad Sharifi
- Elderly Health Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Abdolkarim Haji Ghadery
- Department of Radiology, Advanced Diagnostic, and Interventional Radiology Research Center (ADIR), Tehran, Iran
| | - Akram Tayanloo
- Cell Therapy and Regenerative Medicine Research Center, Endocrinology and Metabolism Molecular Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Tahereh Yavari
- Department of Internal Medicine, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran university of medical sciences, Tehran, Iran
| | - Moloud Payab
- Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- EMRI (Endocrinology and Metabolism Research Institute), First Floor, No 10, Jalal-Al-Ahmad Street, North Kargar Avenue, Tehran, 14117-13137 Iran
| | - Mahbube Ebrahimpur
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
- Department of Radiology, Advanced Diagnostic, and Interventional Radiology Research Center (ADIR), Tehran, Iran
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- EMRI (Endocrinology and Metabolism Research Institute), First Floor, No 10, Jalal-Al-Ahmad Street, North Kargar Avenue, Tehran, 14117-13137 Iran
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Switala L, Di L, Gao H, Asase C, Klos M, Rengasamy P, Fedyukina D, Maiseyeu A. Engineered nanoparticles promote cardiac tropism of AAV vectors. J Nanobiotechnology 2024; 22:223. [PMID: 38702815 PMCID: PMC11067271 DOI: 10.1186/s12951-024-02485-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 04/17/2024] [Indexed: 05/06/2024] Open
Abstract
Cardiac muscle targeting is a notoriously difficult task. Although various nanoparticle (NP) and adeno-associated viral (AAV) strategies with heart tissue tropism have been developed, their performance remains suboptimal. Significant off-target accumulation of i.v.-delivered pharmacotherapies has thwarted development of disease-modifying cardiac treatments, such as gene transfer and gene editing, that may address both rare and highly prevalent cardiomyopathies and their complications. Here, we present an intriguing discovery: cargo-less, safe poly (lactic-co-glycolic acid) particles that drastically improve heart delivery of AAVs and NPs. Our lead formulation is referred to as ePL (enhancer polymer). We show that ePL increases selectivity of AAVs and virus-like NPs (VLNPs) to the heart and de-targets them from the liver. Serotypes known to have high (AAVrh.74) and low (AAV1) heart tissue tropisms were tested with and without ePL. We demonstrate up to an order of magnitude increase in heart-to-liver accumulation ratios in ePL-injected mice. We also show that ePL exhibits AAV/NP-independent mechanisms of action, increasing glucose uptake in the heart, increasing cardiac protein glycosylation, reducing AAV neutralizing antibodies, and delaying blood clearance of AAV/NPs. Current approaches utilizing AAVs or NPs are fraught with challenges related to the low transduction of cardiomyocytes and life-threatening immune responses; our study introduces an exciting possibility to direct these modalities to the heart at reduced i.v. doses and, thus, has an unprecedented impact on drug delivery and gene therapy. Based on our current data, the ePL system is potentially compatible with any therapeutic modality, opening a possibility of cardiac targeting with numerous pharmacological approaches.
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Affiliation(s)
- Lauren Switala
- Department of Medicine, School of Medicine, Cardiovascular Research Institute, Case Western Reserve University, Cleveland, USA
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, USA
| | - Lin Di
- Department of Medicine, School of Medicine, Cardiovascular Research Institute, Case Western Reserve University, Cleveland, USA
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, USA
| | - Huiyun Gao
- Department of Medicine, School of Medicine, Cardiovascular Research Institute, Case Western Reserve University, Cleveland, USA
| | - Courteney Asase
- Department of Medicine, School of Medicine, Cardiovascular Research Institute, Case Western Reserve University, Cleveland, USA
| | - Matthew Klos
- Department of Pediatrics, Case Western Reserve University, Cleveland, USA
| | - Palanivel Rengasamy
- Department of Medicine, School of Medicine, Cardiovascular Research Institute, Case Western Reserve University, Cleveland, USA
| | - Daria Fedyukina
- Bioheights LLC, Cleveland, USA
- Advanced Research Projects Agency for Health, ARPA-H, Washington, USA
| | - Andrei Maiseyeu
- Department of Medicine, School of Medicine, Cardiovascular Research Institute, Case Western Reserve University, Cleveland, USA.
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, USA.
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7
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Yang Y, Ma Q, Wang Q, Zhao L, Liu H, Chen Y. Mannose enhances intestinal immune barrier function and dextran sulfate sodium salt-induced colitis in mice by regulating intestinal microbiota. Front Immunol 2024; 15:1365457. [PMID: 38529272 PMCID: PMC10961387 DOI: 10.3389/fimmu.2024.1365457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 02/27/2024] [Indexed: 03/27/2024] Open
Abstract
Background Inflammatory bowel disease (IBD) greatly affects human quality of life. Mannose has been reported to be used to treat IBD, but the mechanism is currently unknown. Methods C57/BL mice were used as research subjects, and the mouse acute colitis model was induced using dextran sulfate sodium salt (DSS). After oral administration of mannose, the body weights and disease activity index (DAI) scores of the mice were observed. The colon lengths, histopathological sections, fecal content microbial sequencing, colon epithelial inflammatory genes, and tight junction protein Occludin-1 expression levels were measured. We further used the feces of mice that had been orally administered mannose to perform fecal bacterial transplantation on the mice with DSS-induced colitis and detected the colitis-related indicators. Results Oral administration of mannose increased body weights and colon lengths and reduced DAI scores in mice with DSS-induced colitis. In addition, it reduced the expression of colon inflammatory genes and the levels of serum inflammatory factors (TNF-α, IL-6, and IL-1β), further enhancing the expression level of the colonic Occludin-1 protein and alleviating the toxic response of DSS to the intestinal epithelium of the mice. In addition, gut microbial sequencing revealed that mannose increased the abundance and diversity of intestinal flora. Additionally, after using the feces of the mannose-treated mice to perform fecal bacterial transplantation on the mice with DSS-induced colitis, they showed the same phenotype as the mannose-treated mice, and both of them alleviated the intestinal toxic reaction induced by the DSS. It also reduced the expression of intestinal inflammatory genes (TNF-α, IL-6, and IL-1β) and enhanced the expression level of the colonic Occludin-1 protein. Conclusion Mannose can treat DSS-induced colitis in mice, possibly by regulating intestinal microorganisms to enhance the intestinal immune barrier function and reduce the intestinal inflammatory response.
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Affiliation(s)
- Yi Yang
- Department of Bariatric Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Qiming Ma
- Department of Bariatric Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Qingyu Wang
- Department of Bariatric Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Lifeng Zhao
- Department of Pharmacy, Affiliated Cancer Hospital of Inner Mongolia Medical University, Peking University Cancer Hospital Inner Mongolia Hospital, Hohhot, China
| | - Hengshan Liu
- Department of Emergency and trauma, Yichang Central People’s Hospital, Yichang, Hubei, China
| | - Yanjun Chen
- Department of Anesthesiology, The First Affiliated Hospital of Jinan University, Guangzhou, China
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Zhong M, Balakrishnan B, Guo A, Lai K. AAV9-based PMM2 gene replacement augments PMM2 expression and improves glycosylation in primary fibroblasts of patients with phosphomannomutase 2 deficiency (PMM2-CDG). Mol Genet Metab Rep 2024; 38:101035. [PMID: 38130891 PMCID: PMC10733668 DOI: 10.1016/j.ymgmr.2023.101035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 12/23/2023] Open
Abstract
Inherited deficiency of phosphomannomutase 2 (PMM2) (aka PMM2-CDG) is the most common congenital disorders of glycosylation (CDG) and has no cure. With debilitating morbidity and significant mortality, it is imperative to explore novel, safe, and effective therapies for the disease. Our Proof-of-Concept study showed that AAV9-PMM2 infection of patient fibroblasts augmented PMM2 expression and improved glycosylation. Thus, AAV9-PMM2 gene replacement is a promising therapeutic strategy for PMM2-CDG patients.
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Affiliation(s)
- M. Zhong
- Division of Medical Genetics, Department of Pediatrics, University of Utah Spencer Fox Eccles School of Medicine, USA
| | - B. Balakrishnan
- Division of Medical Genetics, Department of Pediatrics, University of Utah Spencer Fox Eccles School of Medicine, USA
| | - A.J. Guo
- Division of Medical Genetics, Department of Pediatrics, University of Utah Spencer Fox Eccles School of Medicine, USA
| | - K. Lai
- Division of Medical Genetics, Department of Pediatrics, University of Utah Spencer Fox Eccles School of Medicine, USA
- Department of Nutrition and Integrated Physiology, University of Utah College of Health, USA
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9
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Piccionello AP, Sassaroli S, Pennasilico L, Rossi G, Di Cerbo A, Riccio V, Di Bella C, Laghi L, Angelini M, Marini C, Magi GE. Comparative study of 1H-NMR metabolomic profile of canine synovial fluid in patients affected by four progressive stages of spontaneous osteoarthritis. Sci Rep 2024; 14:3627. [PMID: 38351089 PMCID: PMC10864333 DOI: 10.1038/s41598-024-54144-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 02/08/2024] [Indexed: 02/16/2024] Open
Abstract
The study aimed to assess the metabolomic profile of the synovial fluid (SF) of dogs affected by spontaneous osteoarthritis (OA) and compare any differences based on disease progression. Sixty client-owned dogs affected by spontaneous OA underwent clinical, radiographic, and cytologic evaluations to confirm the diagnosis. The affected joints were divided into four study groups based on the Kallgreen-Lawrence classification: OA1 (mild), OA2 (moderate), OA3 (severe), and OA4 (extremely severe/deforming). The osteoarthritic joint's SF was subjected to cytologic examination and 1H-NMR analysis. The metabolomic profiles of the study groups' SF samples were statistically compared using one-way ANOVA. Sixty osteoarthritic joints (45 stifles, 10 shoulders and 5 elbows) were included in the study. Fourteen, 28, and 18 joints were included in the OA1, OA2, and OA3 groups, respectively (0 joints in the OA4 group). Metabolomic analysis identified 48 metabolites, five of which were significantly different between study groups: Mannose and betaine were elevated in the OA1 group compared with the OA2 group, and the 2-hydroxyisobutyrate concentration decreased with OA progression; in contrast, isoleucine was less concentrated in mild vs. moderate OA, and lactate increased in severe OA. This study identified different 1H-NMR metabolomic profiles of canine SF in patients with progressive degrees of spontaneous OA, suggesting 1H-NMR metabolomic analysis as a potential alternative method for monitoring OA progression. In addition, the results suggest the therapeutic potentials of the metabolomic pathways that involve mannose, betaine, 2-hydroxyisobutyrate, isoleucine, and lactate.
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Affiliation(s)
| | - Sara Sassaroli
- School of Biosciences and Veterinary Medicine, University of Camerino, 62024, Matelica, Italy
| | - Luca Pennasilico
- School of Biosciences and Veterinary Medicine, University of Camerino, 62024, Matelica, Italy.
| | - Giacomo Rossi
- School of Biosciences and Veterinary Medicine, University of Camerino, 62024, Matelica, Italy
| | - Alessandro Di Cerbo
- School of Biosciences and Veterinary Medicine, University of Camerino, 62024, Matelica, Italy
| | - Valentina Riccio
- School of Biosciences and Veterinary Medicine, University of Camerino, 62024, Matelica, Italy
| | - Caterina Di Bella
- School of Biosciences and Veterinary Medicine, University of Camerino, 62024, Matelica, Italy
| | - Luca Laghi
- Department of Agro-Food Science and Technology, University of Bologna, 47023, Cesena, Italy
| | - Maddalena Angelini
- School of Biosciences and Veterinary Medicine, University of Camerino, 62024, Matelica, Italy
| | - Carlotta Marini
- School of Biosciences and Veterinary Medicine, University of Camerino, 62024, Matelica, Italy
| | - Gian Enrico Magi
- School of Biosciences and Veterinary Medicine, University of Camerino, 62024, Matelica, Italy
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10
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Swami R, Vij S, Sharma S. Unlocking the power of sugar: carbohydrate ligands as key players in nanotherapeutic-assisted targeted cancer therapy. Nanomedicine (Lond) 2024; 19:431-453. [PMID: 38288611 DOI: 10.2217/nnm-2023-0276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2024] Open
Abstract
Cancer cells need as much as 40-times more sugar than their normal cell counterparts. This sugar demand is attained by the excessive expression of inimitable transporters on the surface of cancer cells, driven by their voracious appetite for carbohydrates. Nanotechnological advances drive research utilizing ligand-directed therapeutics and diverse carbohydrate analogs. The precise delivery of these therapeutic cargos not only mitigates toxicity associated with chemotherapy but also reduces the grim toll of mortality and morbidity among patients. This in-depth review explores the potential of these ligands in advanced cancer treatment using nanoparticles. It offers a broader perspective beyond the usual ways we deliver drugs, potentially changing the way we fight cancer.
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Affiliation(s)
- Rajan Swami
- Chitkara College of Pharmacy, Chitkara University, Punjab, 140401, India
| | - Sahil Vij
- Maharishi Markandeshwar College of Pharmacy, Maharishi Markandeshwar University, Mullana, Haryana, 133203, India
| | - Shubham Sharma
- Maharishi Markandeshwar College of Pharmacy, Maharishi Markandeshwar University, Mullana, Haryana, 133203, India
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11
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Lin H, Wang W, Peng M, Kong Y, Zhang X, Wei X, Shang H. Pharmacological properties of Polygonatum and its active ingredients for the prevention and treatment of cardiovascular diseases. Chin Med 2024; 19:1. [PMID: 38163901 PMCID: PMC10759625 DOI: 10.1186/s13020-023-00871-0] [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: 08/01/2023] [Accepted: 12/06/2023] [Indexed: 01/03/2024] Open
Abstract
Despite continued advances in prevention and treatment strategies, cardiovascular diseases (CVDs) remain the leading cause of death worldwide, and more effective therapeutic methods are urgently needed. Polygonatum is a traditional Chinese herbal medicine with a variety of pharmacological applications and biological activities, such as antioxidant activity, anti-inflammation, antibacterial effect, immune-enhancing effect, glucose regulation, lipid-lowering and anti-atherosclerotic effects, treatment of diabetes and anticancer effect. There has also been more and more evidence to support the cardioprotective effect of Polygonatum in recent years. However, up to now, there has been a lack of comprehensive studies on the active ingredients and their pharmacotoxicological effects related to cardiovascular diseases. Therefore, the main active components of Polygonatum (including Polysaccharides, Flavonoids, Saponins) and their biological activities were firstly reviewed in this paper. Furthermore, we summarized the pharmacological effects of Polygonatum's active components in preventing and treating CVDs, and its relevant toxicological investigations. Finally, we emphasize the potential of Polygonatum in the prevention and treatment of CVDs.
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Affiliation(s)
- Hongyuan Lin
- College of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Wenhui Wang
- College of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Mengqi Peng
- Weifang Medical University, Weifang, 261000, China
| | - Yifan Kong
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Xiaowei Zhang
- College of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Xiaohong Wei
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China.
| | - Hongcai Shang
- College of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, 410208, China.
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China.
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12
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Brookens SK, Cho SH, Paik Y, Meyer K, Raybuck AL, Park C, Greenwood DL, Rathmell JC, Boothby MR. Plasma Cell Differentiation, Antibody Quality, and Initial Germinal Center B Cell Population Depend on Glucose Influx Rate. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:43-56. [PMID: 37955416 PMCID: PMC10841396 DOI: 10.4049/jimmunol.2200756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 10/19/2023] [Indexed: 11/14/2023]
Abstract
Serum Ab concentrations, selection for higher affinity BCRs, and generation of higher Ab affinities are important elements of immune response optimization and functions of germinal center (GC) reactions. B cell proliferation requires nutrients to support the anabolism inherent in clonal expansion. Glucose usage by mouse GC B cells has been reported to contribute little to their energy needs, with questions raised as to whether glucose uptake or glycolysis increases in GC B cells compared with their naive precursors. Indeed, metabolism can be highly flexible, such that supply shortage along one pathway may be compensated by increased flux on others. We now show that reduction of the glucose transporter GLUT1 in mice after establishment of a preimmune B cell repertoire, even after initiation of the GC B cell gene expression program, decreased initial GC B cell population numbers, affinity maturation, and plasma cell outputs. Glucose oxidation was heightened in GC B cells, but this hexose flowed more into the pentose phosphate pathway, whose activity was important in controlling reactive oxygen species (ROS) and Ab-secreting cell production. In modeling how glucose usage by B cells promotes the Ab response, the control of ROS appeared insufficient. Surprisingly, the combination of galactose, which mitigated ROS, with provision of mannose, an efficient precursor to glycosylation, supported robust production of and normal Ab secretion by Ab-secreting cells under glucose-free conditions. Collectively, the findings indicate that GCs depend on normal glucose influx, especially in plasma cell production, but reveal an unexpected metabolic flexibility in hexose requirements.
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Affiliation(s)
- Shawna K. Brookens
- Department of Pathology-Microbiology-Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
- Cancer Biology Program, Vanderbilt University
- Center for Cellular Immunotherapies, University of Pennsylvania, Philadelphia, PA 19104
| | - Sung Hoon Cho
- Department of Pathology-Microbiology-Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
- Vanderbilt Center for Immunobiology
- Vanderbilt Institute for Infection, Inflammation, & Immunology
| | - Yeeun Paik
- Department of Pathology-Microbiology-Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Kaylor Meyer
- Department of Pathology-Microbiology-Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Ariel L. Raybuck
- Department of Pathology-Microbiology-Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Chloe Park
- Department of Pathology-Microbiology-Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Dalton L. Greenwood
- Department of Pathology-Microbiology-Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Jeffrey C. Rathmell
- Department of Pathology-Microbiology-Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
- Cancer Biology Program, Vanderbilt University
- Vanderbilt Center for Immunobiology
- Vanderbilt Institute for Infection, Inflammation, & Immunology
| | - Mark R. Boothby
- Department of Pathology-Microbiology-Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
- Cancer Biology Program, Vanderbilt University
- Vanderbilt Center for Immunobiology
- Vanderbilt Institute for Infection, Inflammation, & Immunology
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13
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Jiang J, Gui S, Wei D, Chen X, Tang Y, Lv J, You W, Chen T, Yang S, Ge H, Li Y. Causal relationships between human blood metabolites and intracranial aneurysm and aneurysmal subarachnoid hemorrhage: a Mendelian randomization study. Front Neurol 2023; 14:1268138. [PMID: 38162442 PMCID: PMC10755882 DOI: 10.3389/fneur.2023.1268138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 11/27/2023] [Indexed: 01/03/2024] Open
Abstract
Objective The aim of this study was to assess the causal relationships between blood metabolites and intracranial aneurysm, aneurysmal subarachnoid hemorrhage, and unruptured intracranial aneurysm. Methods Our exposure sample consisted of 7,824 individuals from a genome-wide association study of human blood metabolites. Our outcome sample consisted of 79,429 individuals (7,495 cases and 71,934 controls) from the International Stroke Genetics Consortium, which conducted a genome-wide association study of intracranial aneurysm, aneurysmal subarachnoid hemorrhage, and unruptured intracranial aneurysm. We identified blood metabolites with a potential causal effect on intracranial aneurysms and conducted sensitivity analyses to validate our findings. Results After rigorous screening and Mendelian randomization tests, we found four, two, and three serum metabolites causally associated with intracranial aneurysm, aneurysmal subarachnoid hemorrhage, and unruptured intracranial aneurysm, respectively (all P < 0.05). Sensitivity analyses confirmed the robustness of these associations. Conclusions Our Mendelian randomization analysis demonstrated causal relationships between human blood metabolites and intracranial aneurysm, aneurysmal subarachnoid hemorrhage, and unruptured intracranial aneurysm. Further research is required to explore the potential of targeting these metabolites in the management of intracranial aneurysm.
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Affiliation(s)
- Jia Jiang
- Department of Neurosurgery, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Siming Gui
- Department of Neurosurgery, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Dachao Wei
- Department of Neurosurgery, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xiheng Chen
- Department of Neurosurgery, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Yudi Tang
- Department of Neurosurgery, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jian Lv
- Department of Neurosurgery, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Wei You
- Department of Neurosurgery, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Ting Chen
- School of Biomedical Engineering, Capital Medical University, Beijing, China
| | - Shu Yang
- Department of Neurosurgery, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Huijian Ge
- Department of Neurosurgery, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Youxiang Li
- Department of Neurosurgery, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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14
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Ai YL, Wang WJ, Liu FJ, Fang W, Chen HZ, Wu LZ, Hong X, Zhu Y, Zhang CX, Liu LY, Hong WB, Zhou B, Chen QT, Wu Q. Mannose antagonizes GSDME-mediated pyroptosis through AMPK activated by metabolite GlcNAc-6P. Cell Res 2023; 33:904-922. [PMID: 37460805 PMCID: PMC10709431 DOI: 10.1038/s41422-023-00848-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 06/25/2023] [Indexed: 12/18/2023] Open
Abstract
Pyroptosis is a type of regulated cell death executed by gasdermin family members. However, how gasdermin-mediated pyroptosis is negatively regulated remains unclear. Here, we demonstrate that mannose, a hexose, inhibits GSDME-mediated pyroptosis by activating AMP-activated protein kinase (AMPK). Mechanistically, mannose metabolism in the hexosamine biosynthetic pathway increases levels of the metabolite N-acetylglucosamine-6-phosphate (GlcNAc-6P), which binds AMPK to facilitate AMPK phosphorylation by LKB1. Activated AMPK then phosphorylates GSDME at Thr6, which leads to blockade of caspase-3-induced GSDME cleavage, thereby repressing pyroptosis. The regulatory role of AMPK-mediated GSDME phosphorylation was further confirmed in AMPK knockout and GSDMET6E or GSDMET6A knock-in mice. In mouse primary cancer models, mannose administration suppressed pyroptosis in small intestine and kidney to alleviate cisplatin- or oxaliplatin-induced tissue toxicity without impairing antitumor effects. The protective effect of mannose was also verified in a small group of patients with gastrointestinal cancer who received normal chemotherapy. Our study reveals a novel mechanism whereby mannose antagonizes GSDME-mediated pyroptosis through GlcNAc-6P-mediated activation of AMPK, and suggests the utility of mannose supplementation in alleviating chemotherapy-induced side effects in clinic applications.
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Affiliation(s)
- Yuan-Li Ai
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
| | - Wei-Jia Wang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, China.
| | - Fan-Jian Liu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
| | - Wei Fang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
| | - Hang-Zi Chen
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
| | - Liu-Zheng Wu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
| | - Xuehui Hong
- Department of Gastrointestinal Surgery, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, China.
| | - Yuekun Zhu
- Department of Colorectal Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Ci-Xiong Zhang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
| | - Long-Yu Liu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
| | - Wen-Bin Hong
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
| | - Bo Zhou
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
| | - Qi-Tao Chen
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
| | - Qiao Wu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, China.
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15
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Jasbi P, Nikolich-Žugich J, Patterson J, Knox KS, Jin Y, Weinstock GM, Smith P, Twigg HL, Gu H. Targeted metabolomics reveals plasma biomarkers and metabolic alterations of the aging process in healthy young and older adults. GeroScience 2023; 45:3131-3146. [PMID: 37195387 PMCID: PMC10643785 DOI: 10.1007/s11357-023-00823-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 05/10/2023] [Indexed: 05/18/2023] Open
Abstract
With the exponential growth in the older population in the coming years, many studies have aimed to further investigate potential biomarkers associated with the aging process and its incumbent morbidities. Age is the largest risk factor for chronic disease, likely due to younger individuals possessing more competent adaptive metabolic networks that result in overall health and homeostasis. With aging, physiological alterations occur throughout the metabolic system that contribute to functional decline. In this cross-sectional analysis, a targeted metabolomic approach was applied to investigate the plasma metabolome of young (21-40y; n = 75) and older adults (65y + ; n = 76). A corrected general linear model (GLM) was generated, with covariates of gender, BMI, and chronic condition score (CCS), to compare the metabolome of the two populations. Among the 109 targeted metabolites, those associated with impaired fatty acid metabolism in the older population were found to be most significant: palmitic acid (p < 0.001), 3-hexenedioic acid (p < 0.001), stearic acid (p = 0.005), and decanoylcarnitine (p = 0.036). Derivatives of amino acid metabolism, 1-methlyhistidine (p = 0.035) and methylhistamine (p = 0.027), were found to be increased in the younger population and several novel metabolites were identified, such as cadaverine (p = 0.034) and 4-ethylbenzoic acid (p = 0.029). Principal component analysis was conducted and highlighted a shift in the metabolome for both groups. Receiver operating characteristic analyses of partial least squares-discriminant analysis models showed the candidate markers to be more powerful indicators of age than chronic disease. Pathway and enrichment analyses uncovered several pathways and enzymes predicted to underlie the aging process, and an integrated hypothesis describing functional characteristics of the aging process was synthesized. Compared to older participants, the young group displayed greater abundance of metabolites related to lipid and nucleotide synthesis; older participants displayed decreased fatty acid oxidation and reduced tryptophan metabolism, relative to the young group. As a result, we offer a better understanding of the aging metabolome and potentially reveal new biomarkers and predicted mechanisms for future study.
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Affiliation(s)
- Paniz Jasbi
- College of Health Solutions, Arizona State University, Phoenix, AZ, 85004, USA
- School of Molecular Sciences, Arizona State University, Tempe, AZ, 85281, USA
| | - Janko Nikolich-Žugich
- University of Arizona Center on Aging, University of Arizona, Tucson, AZ, 85724, USA
| | - Jeffrey Patterson
- College of Health Solutions, Arizona State University, Phoenix, AZ, 85004, USA
| | - Kenneth S Knox
- Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, University of Arizona, Tucson, AZ, 85724, USA
| | - Yan Jin
- College of Health Solutions, Arizona State University, Phoenix, AZ, 85004, USA
- Center for Translational Science, Florida International University, 11350 SW Village Pkwy, Port St. Lucie, FL, 34987, USA
| | | | - Patricia Smith
- Division of Pulmonary, Critical Care, Sleep, and Occupational Medicine, Indiana University Medical Center, 1120 West Michigan Street, CL 260A, Indianapolis, IN, 46202, USA
| | - Homer L Twigg
- Division of Pulmonary, Critical Care, Sleep, and Occupational Medicine, Indiana University Medical Center, 1120 West Michigan Street, CL 260A, Indianapolis, IN, 46202, USA.
| | - Haiwei Gu
- College of Health Solutions, Arizona State University, Phoenix, AZ, 85004, USA.
- Center for Translational Science, Florida International University, 11350 SW Village Pkwy, Port St. Lucie, FL, 34987, USA.
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16
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Scaglione F, Minghetti P, Ambrosio F, Ernst B, Ficarra V, Gobbi M, Naber K, Schellekens H. Nature of the Interaction of Alpha-D-Mannose and Escherichia coli Bacteria, and Implications for its Regulatory Classification. A Delphi Panel European Consensus Based on Chemistry and Legal Evidence. Ther Innov Regul Sci 2023; 57:1153-1166. [PMID: 37578736 PMCID: PMC10579141 DOI: 10.1007/s43441-023-00548-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 06/05/2023] [Indexed: 08/15/2023]
Abstract
The nature of alpha-D-mannose-natural aldohexose sugar, C-2 glucose epimer, whose intended use is for preventing urinary tract infections-in the interaction with E. coli is addressed in order to drive the issue of its regulatory classification as a medicinal product or medical device. PRISMA systematic review approach was applied; Delphi Panel method was used to target consensus on statements retrieved from evidence. Based on regulatory definitions and research evidence, the mechanism of D-mannose does not involve a metabolic or immunological action while there is uncertainty regarding the pharmacological action. Specific interaction between the product and the bacteria within the body occurs, but its nature is inert: it does not induce a direct response activating or inhibiting body processes. Moreover, the action of D-mannose takes place, even if inside the bladder, outside the epithelium on bacteria that have not yet invaded the urothelial tissue. Therefore, its mechanism of action is not directed to host structures but to structures (bacteria) external to the host's tissues. On the basis of current regulation, the uncertainty as regard a pharmacological action of alpha-D-mannose makes possible its medical device classification: new regulations and legal judgments can add further considerations. From a pharmacological perspective, research is driven versus synthetic mannosides: no further considerations are expected on alpha-D-mannose.
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Affiliation(s)
- Francesco Scaglione
- Clinical Pharmacology and Toxicology Unit -GOM Niguarda, GOM Niguarda, Piazza Ospedale Maggiore 3, 20162 Milan, Italy
| | - Paola Minghetti
- Department of Pharmaceutical Sciences, University of Milan, Via Mangiagalli 25, 20133 Milan, Italy
| | | | - Beat Ernst
- Group Molecular Pharmacy Pharmacenter, University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland
| | - Vincenzo Ficarra
- Department of Human and Pediatric Pathology “Gaetano Barresi”, Urologic Section, University of Messina, Piazza Pugliatti, 1, Messina, Italy
| | - Marco Gobbi
- Laboratory of Pharmacodynamics and Pharmacokinetics, Istituto Di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri, 2, 20156 Milan, MI Italy
| | - Kurt Naber
- Department of Urology, Technical University of Munich, Munich, Germany
- Department of Urology, Technical University of Munich, Karl-Bickleder Str. 44C, 94315 Straubing, Germany
| | - Huub Schellekens
- Faculty of Sciences, Utrecht University, PO Box 80125, 3508 TC Utrecht, The Netherlands
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17
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Sun X, Dai Y, He J, Li H, Yang X, Dong W, Xie X, Wang M, Xu Y, Lv L. D-mannose induces TFE3-dependent lysosomal degradation of EGFR and inhibits the progression of NSCLC. Oncogene 2023; 42:3503-3513. [PMID: 37845392 DOI: 10.1038/s41388-023-02856-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 09/22/2023] [Accepted: 09/29/2023] [Indexed: 10/18/2023]
Abstract
In non-small cell lung cancer (NSCLC), the overexpression or abnormal activation of epidermal growth factor receptor (EGFR) is associated with tumor progression and drug resistance. EGFR tyrosine kinase inhibitors (TKIs) are currently the first-line treatment of NSCLC. However, patients inevitably acquired EGFR TKIs resistance mutations, which led to disease progression, so it is urgent to find new treatment. Here, we report that D-mannose up-regulates lysosomal activity by enhancing TFE3-mediated lysosomal biogenesis, thereby increasing the degradation of EGFR and significantly down-regulating its protein level. Therefore, D-mannose significantly inhibited the proliferation, migration and invasion of wild-type EGFR (WT-EGFR) and EGFR mutant cells (E746-A750 deletion, L858R and T790M mutations) in vitro. Oral administration of D-mannose strongly inhibited tumor growth in mice, showing similar effects with osimertinib. Taken together, these data suggest that D-mannose may represent a new strategy for clinical treatment of NSCLC.
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Affiliation(s)
- Xue Sun
- Ministry of Education Key Laboratory of Metabolism and Molecular Medicine, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Yue Dai
- Ministry of Education Key Laboratory of Metabolism and Molecular Medicine, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Jing He
- Ministry of Education Key Laboratory of Metabolism and Molecular Medicine, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Hongchen Li
- Tongji Hospital, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, 200120, China
| | - Xuhui Yang
- Department of Thoracic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Wenjing Dong
- Ministry of Education Key Laboratory of Metabolism and Molecular Medicine, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Xiao Xie
- Department of Thoracic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, China.
| | - Mingsong Wang
- Department of Thoracic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China.
| | - Yanping Xu
- Tongji Hospital, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, 200120, China.
| | - Lei Lv
- Ministry of Education Key Laboratory of Metabolism and Molecular Medicine, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China.
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18
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Jin H, Liu X, Liu HX. Biological function, regulatory mechanism, and clinical application of mannose in cancer. Biochim Biophys Acta Rev Cancer 2023; 1878:188970. [PMID: 37657682 DOI: 10.1016/j.bbcan.2023.188970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 08/15/2023] [Accepted: 08/15/2023] [Indexed: 09/03/2023]
Abstract
Studies examining the regulatory roles and clinical applications of monosaccharides other than glucose in cancer have been neglected. Mannose, a common type of monosaccharide found in human body fluids and tissues, primarily functions in protein glycosylation rather than carbohydrate metabolism. Recent research has demonstrated direct anticancer effects of mannose in vitro and in vivo. Simply supplementing cell culture medium or drinking water with mannose achieved these effects. Moreover, mannose enhances the effectiveness of current cancer treatments including chemotherapy, radiotherapy, targeted therapy, and immune therapy. Besides the advancements in basic research on the anticancer effects of mannose, recent studies have reported its application as a biomarker for cancer or in the delivery of anticancer drugs using mannose-modified drug delivery systems. This review discusses the progress made in understanding the regulatory roles of mannose in cancer progression, the mechanisms underlying its anticancer effects, and its current application in cancer diagnosis and treatment.
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Affiliation(s)
- Haoyi Jin
- Department of Thoracic Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, 110042, Liaoning, China
| | - Xi Liu
- Department of Urology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, 110042, Liaoning, China
| | - Hong-Xu Liu
- Department of Thoracic Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, 110042, Liaoning, China; Department of Urology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, 110042, Liaoning, China.
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19
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Sun W, Feng M, Zhu N, Leng F, Yang M, Wang Y. Genomic Characteristics and Comparative Genomics Analysis of the Endophytic Fungus Paraphoma chrysanthemicola DS-84 Isolated from Codonopsis pilosula Root. J Fungi (Basel) 2023; 9:1022. [PMID: 37888278 PMCID: PMC10607767 DOI: 10.3390/jof9101022] [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: 08/21/2023] [Revised: 09/27/2023] [Accepted: 10/09/2023] [Indexed: 10/28/2023] Open
Abstract
Paraphoma chrysanthemicola is a newly identified endophytic fungus. The focus of most studies on P. chrysanthemicola has been on its isolation, identification and effects on plants. However, the limited genomic information is a barrier to further research. Therefore, in addition to studying the morphological and physiological characteristics of P. chrysanthemicola, we sequenced its genome and compared it with that of Paraphoma sp. The results showed that sucrose, peptone and calcium phosphate were suitable sources of carbon, nitrogen and phosphorus for this strain. The activities of amylase, cellulase, chitosanase, lipase and alkaline protease were also detected. Sequencing analysis revealed that the genome of P. chrysanthemicola was 44.1 Mb, with a scaffold N50 of 36.1 Mb and 37,077 protein-coding genes. Gene Ontology (GO) annotation showed that mannose-modified glycosylation was predominant in monosaccharide utilisation. The percentage of glycoside hydrolase (GH) modules was the highest in the carbohydrate-active enzymes database (CAZy) analysis. Secondary metabolite-associated gene cluster analysis identified melanin, dimethylcoprogen and phyllostictine A biosynthetic gene clusters (>60% similarity). The results indicated that P. chrysanthemicola had a mannose preference in monosaccharide utilisation and that melanin, dimethylcoprogen and phyllostictine A were important secondary metabolites for P. chrysanthemicola as an endophytic fungus.
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Affiliation(s)
| | | | | | | | | | - Yonggang Wang
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; (W.S.); (M.F.); (N.Z.); (F.L.); (M.Y.)
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20
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Brookens SK, Cho SH, Paik Y, Meyer K, Raybuck AL, Park C, Greenwood DL, Rathmell JC, Boothby MR. Plasma cell differentiation, antibody quality, and initial germinal center B cell population depend on glucose influx rate. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.13.557599. [PMID: 37745429 PMCID: PMC10515901 DOI: 10.1101/2023.09.13.557599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Antibody secretion into sera, selection for higher affinity BCR, and the generation of higher Ab affinities are important elements of immune response optimization, and a core function of germinal center reactions. B cell proliferation requires nutrients to support the anabolism inherent in clonal expansion. Glucose usage by GC B cells has been reported to contribute little to their energy needs, with questions raised as to whether or not glucose uptake or glycolysis increases in GC B cells compared to their naïve precursors. Indeed, metabolism can be highly flexible, such that supply shortage along one pathway may be compensated by increased flux on others. We now show that elimination of the glucose transporter GLUT1 after establishment of a pre-immune B cell repertoire, even after initiation of the GC B cell gene expression program, decreased initial GC B cell population numbers, affinity maturation, and PC outputs. Glucose oxidation was heightened in GC B cells, but this hexose flowed more into the pentose phosphate pathway (PPP), whose activity was important in controlling reactive oxygen (ROS) and ASC production. In modeling how glucose usage by B cells promotes the Ab response, the control of ROS appeared insufficient. Surprisingly, the combination of galactose, which mitigated ROS, with provision of mannose - an efficient precursor to glycosylation - supported robust production of and normal Ab secretion by ASC under glucose-free conditions. Collectively, the findings indicate that GC depend on normal glucose influx, especially in PC production, but reveal an unexpected metabolic flexibility in hexose requirements. KEY POINTS Glucose influx is critical for GC homeostasis, affinity maturation and the generation of Ab-secreting cells.Plasma cell development uses the Pentose Phosphate Pathway, and hexose sugars maintain redox homeostasis.PCs can develop and achieve robust Ab secretion in the absence of glucose using a combination of hexose alternatives.
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21
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Zhang T, Xu X, Pan Y, Yang H, Han J, Liu J, Liu W. Specific surface modification of liposomes for gut targeting of food bioactive agents. Compr Rev Food Sci Food Saf 2023; 22:3685-3706. [PMID: 37548603 DOI: 10.1111/1541-4337.13224] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 06/09/2023] [Accepted: 07/25/2023] [Indexed: 08/08/2023]
Abstract
Liposomes have become a research hotspot in recent years as food delivery systems with attractive properties, including the bilayer structure assembled like the cell membrane, reducing the side-effect and improving environmental stability of cargos, controlling release, extending duration of functional ingredients, and high biodegradable and biocompatible abilities in the body. However, the conventional liposomes lack stability during storage and are weak in targeted absorption in the gastrointestinal track. At present, surface modification has been approved to be an effective platform to shield these barricades and help liposomes deliver the agents safely and effectively to the ideal site. In this review, the gastrointestinal stability of conventional liposomes, cargo release models from liposomes, and the biological fate of the core materials after release were emphasized. Then, the strategies in both physical and chemical perspectives to improve the stability and utilization of liposomes in the gastrointestinal tract, and the emerging approaches for improving gut targeting by specifically modified liposomes and the intestinal receptors relative to liposomes/cargos absorption were highlighted. Last but not the least, the safety, challenges, and opportunities for the improvement of liposomal bioavailability were also discussed to inspire new applications of liposomes as oral carriers.
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Affiliation(s)
- Tingting Zhang
- Food Nutrition Science Center, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Xiankang Xu
- Food Nutrition Science Center, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Yujie Pan
- Food Nutrition Science Center, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Hui Yang
- Food Nutrition Science Center, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Jianzhong Han
- Food Nutrition Science Center, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Jianhua Liu
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China
| | - Weilin Liu
- Food Nutrition Science Center, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
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22
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Kleinehr J, Schöfbänker M, Daniel K, Günl F, Mohamed FF, Janowski J, Brunotte L, Boergeling Y, Liebmann M, Behrens M, Gerdemann A, Klotz L, Esselen M, Humpf HU, Ludwig S, Hrincius ER. Glycolytic interference blocks influenza A virus propagation by impairing viral polymerase-driven synthesis of genomic vRNA. PLoS Pathog 2023; 19:e1010986. [PMID: 37440521 DOI: 10.1371/journal.ppat.1010986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 06/10/2023] [Indexed: 07/15/2023] Open
Abstract
Influenza A virus (IAV), like any other virus, provokes considerable modifications of its host cell's metabolism. This includes a substantial increase in the uptake as well as the metabolization of glucose. Although it is known for quite some time that suppression of glucose metabolism restricts virus replication, the exact molecular impact on the viral life cycle remained enigmatic so far. Using 2-deoxy-d-glucose (2-DG) we examined how well inhibition of glycolysis is tolerated by host cells and which step of the IAV life cycle is affected. We observed that effects induced by 2-DG are reversible and that cells can cope with relatively high concentrations of the inhibitor by compensating the loss of glycolytic activity by upregulating other metabolic pathways. Moreover, mass spectrometry data provided information on various metabolic modifications induced by either the virus or agents interfering with glycolysis. In the presence of 2-DG viral titers were significantly reduced in a dose-dependent manner. The supplementation of direct or indirect glycolysis metabolites led to a partial or almost complete reversion of the inhibitory effect of 2-DG on viral growth and demonstrated that indeed the inhibition of glycolysis and not of N-linked glycosylation was responsible for the observed phenotype. Importantly, we could show via conventional and strand-specific qPCR that the treatment with 2-DG led to a prolonged phase of viral mRNA synthesis while the accumulation of genomic vRNA was strongly reduced. At the same time, minigenome assays showed no signs of a general reduction of replicative capacity of the viral polymerase. Therefore, our data suggest that the significant reduction in IAV replication by glycolytic interference occurs mainly due to an impairment of the dynamic regulation of the viral polymerase which conveys the transition of the enzyme's function from transcription to replication.
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Affiliation(s)
- Jens Kleinehr
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, Muenster, Germany
| | - Michael Schöfbänker
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, Muenster, Germany
| | - Katharina Daniel
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, Muenster, Germany
| | - Franziska Günl
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, Muenster, Germany
| | - Fakry Fahmy Mohamed
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, Muenster, Germany
- Department of Virology, Faculty of Veterinary Medicine, Zagazig University, Sharkia, Egypt
| | - Josua Janowski
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, Muenster, Germany
| | - Linda Brunotte
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, Muenster, Germany
| | - Yvonne Boergeling
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, Muenster, Germany
| | - Marie Liebmann
- Department of Neurology with Institute of Translational Neurology, University Hospital Muenster, Muenster, Germany
| | - Matthias Behrens
- Institute of Food Chemistry, Westfaelische Wilhelms-University Muenster, Muenster, Germany
| | - Andrea Gerdemann
- Institute of Food Chemistry, Westfaelische Wilhelms-University Muenster, Muenster, Germany
| | - Luisa Klotz
- Department of Neurology with Institute of Translational Neurology, University Hospital Muenster, Muenster, Germany
| | - Melanie Esselen
- Institute of Food Chemistry, Westfaelische Wilhelms-University Muenster, Muenster, Germany
| | - Hans-Ulrich Humpf
- Institute of Food Chemistry, Westfaelische Wilhelms-University Muenster, Muenster, Germany
| | - Stephan Ludwig
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, Muenster, Germany
| | - Eike R Hrincius
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, Muenster, Germany
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23
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Tamayo-Molina YS, Velilla PA, Hernández-Sarmiento LJ, Urcuqui-Inchima S. Multitranscript analysis reveals an effect of 2-deoxy-d-glucose on gene expression linked to unfolded protein response and integrated stress response in primary human monocytes and monocyte-derived macrophages. Biochim Biophys Acta Gen Subj 2023:130397. [PMID: 37290716 DOI: 10.1016/j.bbagen.2023.130397] [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: 02/02/2023] [Revised: 05/31/2023] [Accepted: 05/31/2023] [Indexed: 06/10/2023]
Abstract
BACKGROUND Glycolytic inhibitor 2-deoxy-d-glucose (2-DG) binds to hexokinase in a non-competitive manner and phosphoglucose isomerase in a competitive manner, blocking the initial steps of the glycolytic pathway. Although 2-DG stimulates endoplasmic reticulum (ER) stress, activating the unfolded protein response to restore protein homeostasis, it is unclear which ER stress-related genes are modulated in response to 2-DG treatment in human primary cells. Here, we aimed to determine whether the treatment of monocytes and monocyte-derived macrophages (MDMs) with 2-DG leads to a transcriptional profile specific to ER stress. METHODS We performed bioinformatics analysis to identify differentially expressed genes (DEGs) in previously reported RNA-seq datasets of 2-DG treated cells. RT-qPCR was performed to verify the sequencing data on cultured MDMs. RESULTS A total of 95 common DEGs were found by transcriptional analysis of monocytes and MDMs treated with 2-DG. Among these, 74 were up-regulated and 21 were down-regulated. Multitranscript analysis showed that DEGs are linked to integrated stress response (GRP78/BiP, PERK, ATF4, CHOP, GADD34, IRE1α, XBP1, SESN2, ASNS, PHGDH), hexosamine biosynthetic pathway (GFAT1, GNA1, PGM3, UAP1), and mannose metabolism (GMPPA and GMPPB). CONCLUSIONS Results reveal that 2-DG triggers a gene expression program that might be involved in restoring protein homeostasis in primary cells. GENERAL SIGNIFICANCE 2-DG is known to inhibit glycolysis and induce ER stress; however, its effect on gene expression in primary cells is not well understood. This work shows that 2-DG is a stress inducer shifting the metabolic state of monocytes and macrophages.
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Affiliation(s)
- Y S Tamayo-Molina
- Immunovirology Group, Faculty of Medicine, University of Antioquia, Calle 70 No. 52-21, Medellin, Colombia
| | - Paula A Velilla
- Immunovirology Group, Faculty of Medicine, University of Antioquia, Calle 70 No. 52-21, Medellin, Colombia
| | | | - Silvio Urcuqui-Inchima
- Immunovirology Group, Faculty of Medicine, University of Antioquia, Calle 70 No. 52-21, Medellin, Colombia.
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24
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Ejaz S, Ali SMA, Zarif B, Shahid R, Ihsan A, Noor T, Imran M. Surface engineering of chitosan nanosystems and the impact of functionalized groups on the permeability of model drug across intestinal tissue. Int J Biol Macromol 2023; 242:124777. [PMID: 37169055 DOI: 10.1016/j.ijbiomac.2023.124777] [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: 11/30/2022] [Revised: 04/21/2023] [Accepted: 05/04/2023] [Indexed: 05/13/2023]
Abstract
Surface attributes of nanocarriers are crucial to determine their fate in the gastrointestinal (GI) tract. Herein, we have functionalized chitosan with biochemical moieties including rhamnolipid (RL), curcumin (Cur) and mannose (M). FTIR spectra of functionalized chitosan nanocarriers (FCNCs) demonstrated successful conjugation of M, Cur and RL. The functional moieties influenced the entrapment of model drug i.e., coumarin-6 (C6) in FCNCs with payload-hosting and non-leaching behavior i.e., >91 ± 2.5 % with negligible cumulative release of <2 % for 5 h in KREB, which was further verified in the simulated gastric and intestinal fluids. Consequently, substantial difference in the size and zeta potential was observed for FCNCs with different biochemical moieties. Scanning electron microscopy and atomic force microscopy of FCNCs displayed well-dispersed and spherical morphology. In addition, in vitro cytotoxicity results of FCNCs confirmed their hemocompatibility. In the ex-vivo rat intestinal models, FCNCs displayed a time-dependent-phenomenon in cellular-uptake and adherence. However, apparent-permeability-coefficient and flux values were in the order of C6-RL-FCNCs > C6-M-FCNCs > C6-Cur-FCNCs = C6-CNCs > Free-C6. Furthermore, the transepithelial electrical resistance revealed the FCNCs mediated recovery of membrane-integrity with reversible tight junctions opening. Thus, FCNCs have the potential to overcome the poor solubility and/or permeability issues of active pharmaceutical ingredients and transform the impact of functionalized-nanomedicines in the biomedical industry.
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Affiliation(s)
- Sadaf Ejaz
- Department of Biosciences, COMSATS University Islamabad (CUI), Park Road, Islamabad, Pakistan
| | - Syed Muhammad Afroz Ali
- Department of Biosciences, COMSATS University Islamabad (CUI), Park Road, Islamabad, Pakistan
| | - Bina Zarif
- Department of Biosciences, COMSATS University Islamabad (CUI), Park Road, Islamabad, Pakistan
| | - Ramla Shahid
- Department of Biosciences, COMSATS University Islamabad (CUI), Park Road, Islamabad, Pakistan
| | - Ayesha Ihsan
- Nanobiotechnology Group, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
| | - Tayyaba Noor
- School of Chemical and Materials Engineering (SCME), National University of Science and Technology (NUST), Islamabad, Pakistan
| | - Muhammad Imran
- Department of Biosciences, COMSATS University Islamabad (CUI), Park Road, Islamabad, Pakistan.
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25
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Jiang Q, Wei B, You M, Zhou X. d-mannose blocks the interaction between keratinocytes and Th17 cells to alleviate psoriasis by inhibiting HIF-1α/CCL20 in mice. Int Immunopharmacol 2023; 118:110087. [PMID: 37001381 DOI: 10.1016/j.intimp.2023.110087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 03/17/2023] [Accepted: 03/21/2023] [Indexed: 03/31/2023]
Abstract
Psoriasis is an autoimmune chronic inflammatory skin disease with an unclear pathogenesis that is difficult to cure, causing serious physical and mental burdens for patients. Previous research showed that a mutually reinforcing vicious cycle caused by keratinocytes (KC) and a variety of immune cells plays an important role in psoriatic inflammation. d-Mannose, a widely distributed metabolite in the body, has been found to treat several metabolic diseases, but its impact on psoriasis remains unknown. Our study aims to investigate the effects of d-mannose on psoriasis and its specific mechanism. Here, we found that d-mannose alleviates psoriasis in mice both as oral and topical agents. Specifically, d-mannose down-regulated the expression of hypoxia-inducible factor 1A(HIF-1α) and inhibited the expression of chemokine CCL20 in keratinocytes, thereby inhibiting the local infiltration of Th17 cells and breaking the cycle of keratinocytes-Th17 cells. Overall, our study indicates that d-mannose alleviates cutaneous inflammation in psoriasis by inhibiting the HIF-1α/CCL20/Th17 cells axis, and d-mannose has the potential to be used as an oral and topical agent in the treatment of psoriasis.
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26
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Song L, Zhou Y, Zhai Y, Huo X, Chen M, Shi H, Yu Y, Zhang Y, Zhou K. Sub-chronic toxicity of an aqueous extract of Epimedium sagittatum (Sieb. Et Zucc.) Maxim. in rats. Drug Chem Toxicol 2023; 46:451-461. [PMID: 35287533 DOI: 10.1080/01480545.2022.2050749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Epimedium sagittatum (Sieb. et Zucc.) Maxim., a traditional medicinal plant in Asia, is widely used in clinical settings but its safety in vivo is unclear. This study investigated the sub-chronic toxicity of E. sagittatum aqueous extract to rats with a 13-week daily intragastric administration of 7.5, 15, or 30 g/kg. Nine constituents of the aqueous extract were identified by ultra-performance liquid chromatography (UPLC). Organ weights, organ coefficients, serum biochemistry parameters, histopathology, and metabolomic analysis were performed. In female rats, treatment increased the liver, thymus, and adrenal gland coefficients (p < 0.05). Liver, pancreas, and adrenal gland injury were observed. The levels of six metabolites were altered by the treatment (p < 0.05). In male rats, treatment altered liver, heart, and thymus coefficients (p < 0.05) and liver, adrenal gland, and heart injury were observed. The levels of 11 metabolites were altered (p < 0.05). The no-observed-adverse-effect level was not determined but would be below 7.5 g/kg in rats treated for 13 weeks. In female rats, E. sagittatum may injure the liver and pancreas and dysregulate the biosynthesis of phenylalanine, tyrosine, tryptophan, valine, leucine, and isoleucine and the metabolism of phenylalanine. In male rats, the extract may injure the liver and adrenal gland and dysregulate the biosynthesis of valine, leucine, and isoleucine and the metabolism of pyruvate.
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Affiliation(s)
- Lei Song
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China.,Tianjin Key Laboratory of Chinese Medicine Pharmacology, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China.,State Key Laboratory of Component-Based Chinese Medicine, Tianjin, PR China
| | - Yating Zhou
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
| | - Yuxia Zhai
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
| | - Xiangxiang Huo
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
| | - Mengying Chen
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
| | - Hong Shi
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China.,Tianjin Key Laboratory of Chinese Medicine Pharmacology, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
| | - Yingli Yu
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China.,Tianjin Key Laboratory of Chinese Medicine Pharmacology, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China.,State Key Laboratory of Component-Based Chinese Medicine, Tianjin, PR China
| | - Yue Zhang
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China.,Tianjin Key Laboratory of Chinese Medicine Pharmacology, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China.,State Key Laboratory of Component-Based Chinese Medicine, Tianjin, PR China
| | - Kun Zhou
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China.,Tianjin Key Laboratory of Chinese Medicine Pharmacology, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China.,State Key Laboratory of Component-Based Chinese Medicine, Tianjin, PR China
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27
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Woodley K, Dillingh LS, Giotopoulos G, Madrigal P, Rattigan KM, Philippe C, Dembitz V, Magee AMS, Asby R, van de Lagemaat LN, Mapperley C, James SC, Prehn JHM, Tzelepis K, Rouault-Pierre K, Vassiliou GS, Kranc KR, Helgason GV, Huntly BJP, Gallipoli P. Mannose metabolism inhibition sensitizes acute myeloid leukaemia cells to therapy by driving ferroptotic cell death. Nat Commun 2023; 14:2132. [PMID: 37059720 PMCID: PMC10104861 DOI: 10.1038/s41467-023-37652-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 03/24/2023] [Indexed: 04/16/2023] Open
Abstract
Resistance to standard and novel therapies remains the main obstacle to cure in acute myeloid leukaemia (AML) and is often driven by metabolic adaptations which are therapeutically actionable. Here we identify inhibition of mannose-6-phosphate isomerase (MPI), the first enzyme in the mannose metabolism pathway, as a sensitizer to both cytarabine and FLT3 inhibitors across multiple AML models. Mechanistically, we identify a connection between mannose metabolism and fatty acid metabolism, that is mediated via preferential activation of the ATF6 arm of the unfolded protein response (UPR). This in turn leads to cellular accumulation of polyunsaturated fatty acids, lipid peroxidation and ferroptotic cell death in AML cells. Our findings provide further support to the role of rewired metabolism in AML therapy resistance, unveil a connection between two apparently independent metabolic pathways and support further efforts to achieve eradication of therapy-resistant AML cells by sensitizing them to ferroptotic cell death.
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Affiliation(s)
- Keith Woodley
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Laura S Dillingh
- Wellcome - MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
| | - George Giotopoulos
- Wellcome - MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
- Department of Haematology, University of Cambridge, Cambridge, UK
| | - Pedro Madrigal
- Wellcome - MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
- Department of Haematology, University of Cambridge, Cambridge, UK
- European Molecular Biology Laboratory, European Bioinformatics Institute, EMBL-EBI, Hinxton, CB10 1SD, UK
| | - Kevin M Rattigan
- Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Glasgow, UK
| | - Céline Philippe
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Vilma Dembitz
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Aoife M S Magee
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Ryan Asby
- Department of Haematology, University of Cambridge, Cambridge, UK
| | - Louie N van de Lagemaat
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Christopher Mapperley
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Sophie C James
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Jochen H M Prehn
- Department of Physiology & Medical Physics, Royal College of Surgeons in Ireland University of Medicine and Health Sciences, Dublin, Ireland
| | - Konstantinos Tzelepis
- Wellcome - MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
- Department of Haematology, University of Cambridge, Cambridge, UK
- Milner Therapeutics Institute, University of Cambridge, Cambridge, UK
| | - Kevin Rouault-Pierre
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
| | - George S Vassiliou
- Wellcome - MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
- Department of Haematology, University of Cambridge, Cambridge, UK
| | - Kamil R Kranc
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
| | - G Vignir Helgason
- Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Glasgow, UK
| | - Brian J P Huntly
- Wellcome - MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
- Department of Haematology, University of Cambridge, Cambridge, UK
| | - Paolo Gallipoli
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK.
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Al Hadeethi S, El-Baba C, Araji K, Hayar B, Cheikh IA, El-Khoury R, Usta J, Darwiche N. Mannose Inhibits the Pentose Phosphate Pathway in Colorectal Cancer and Enhances Sensitivity to 5-Fluorouracil Therapy. Cancers (Basel) 2023; 15:cancers15082268. [PMID: 37190196 DOI: 10.3390/cancers15082268] [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: 01/26/2023] [Revised: 04/05/2023] [Accepted: 04/05/2023] [Indexed: 05/17/2023] Open
Abstract
Colorectal cancer (CRC) is one of the leading cancers and causes of death in patients. 5-fluorouracil (5-FU) is the therapy of choice for CRC, but it exhibits high toxicity and drug resistance. Tumorigenesis is characterized by a deregulated metabolism, which promotes cancer cell growth and survival. The pentose phosphate pathway (PPP) is required for the synthesis of ribonucleotides and the regulation of reactive oxygen species and is upregulated in CRC. Mannose was recently reported to halt tumor growth and impair the PPP. Mannose inhibitory effects on tumor growth are inversely related to the levels of phosphomannose isomerase (PMI). An in silico analysis showed low PMI levels in human CRC tissues. We, therefore, investigated the effect of mannose alone or in combination with 5-FU in human CRC cell lines with different p53 and 5-FU resistance statuses. Mannose resulted in a dose-dependent inhibition of cell growth and synergized with 5-FU treatment in all tested cancer cell lines. Mannose alone or in combination with 5-FU reduced the total dehydrogenase activity of key PPP enzymes, enhanced oxidative stress, and induced DNA damage in CRC cells. Importantly, single mannose or combination treatments with 5-FU were well tolerated and reduced tumor volumes in a mouse xenograft model. In summary, mannose alone or in combination with 5-FU may represent a novel therapeutic strategy in CRC.
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Affiliation(s)
- Sadaf Al Hadeethi
- Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut 1107-2020, Lebanon
| | - Chirine El-Baba
- Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut 1107-2020, Lebanon
| | - Khaled Araji
- Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut 1107-2020, Lebanon
| | - Berthe Hayar
- Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut 1107-2020, Lebanon
| | - Israa Ahmad Cheikh
- Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut 1107-2020, Lebanon
| | - Riyad El-Khoury
- Department of Pathology and Laboratory Medicine, American University of Beirut, Beirut 1107-2020, Lebanon
| | - Julnar Usta
- Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut 1107-2020, Lebanon
| | - Nadine Darwiche
- Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut 1107-2020, Lebanon
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Su D, Chen J, Du S, Kim H, Yu B, Wong KE, Boerwinkle E, Rebholz CM. Metabolomic Markers of Ultra-Processed Food and Incident CKD. Clin J Am Soc Nephrol 2023; 18:327-336. [PMID: 36735499 PMCID: PMC10103271 DOI: 10.2215/cjn.0000000000000062] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 12/22/2022] [Indexed: 01/22/2023]
Abstract
BACKGROUND High ultra-processed food consumption is associated with higher risk of CKD. However, there is no biomarker for ultra-processed food, and the mechanism through which ultra-processed food is associated with CKD is not clear. Metabolomics can provide objective biomarkers of ultra-processed food and provide important insights into the mechanisms by which ultra-processed food is associated with risk of incident CKD. Our objective was to identify serum metabolites associated with ultra-processed food consumption and investigate whether ultra-processed food-associated metabolites are prospectively associated with incident CKD. METHODS We used data from 3751 Black and White men and women (aged 45-64 years) in the Atherosclerosis Risk in Communities study. Dietary intake was assessed using a semiquantitative 66-item food frequency questionnaire, and ultra-processed food was classified using the NOVA classification system. Multivariable linear regression models were used to identify the association between 359 metabolites and ultra-processed food consumption. Cox proportional hazards models were used to investigate the prospective association of ultra-processed food-associated metabolites with incident CKD. RESULTS Twelve metabolites (saccharine, homostachydrine, stachydrine, N2, N2-dimethylguanosine, catechol sulfate, caffeine, 3-methyl-2-oxovalerate, theobromine, docosahexaenoate, glucose, mannose, and bradykinin) were significantly associated with ultra-processed food consumption after controlling for false discovery rate <0.05 and adjusting for sociodemographic factors, health behaviors, eGFR, and total energy intake. The 12 ultra-processed food-related metabolites significantly improved the prediction of ultra-processed food consumption (difference in C statistics: 0.069, P <1×10 -16 ). Higher levels of mannose, glucose, and N2, N2-dimethylguanosine were associated with higher risk of incident CKD after a median follow-up of 23 years. CONCLUSIONS We identified 12 serum metabolites associated with ultra-processed food consumption and three of them were positively associated with incident CKD. Mannose and N2, N2-dimethylguanosine are novel markers of CKD that may explain observed associations between ultra-processed food and CKD. PODCAST This article contains a podcast at https://dts.podtrac.com/redirect.mp3/www.asn-online.org/media/podcast/CJASN/2023_03_08_CJN08480722.mp3.
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Affiliation(s)
- Donghan Su
- Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins University, Baltimore, Maryland
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Jingsha Chen
- Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins University, Baltimore, Maryland
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Shutong Du
- Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins University, Baltimore, Maryland
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Hyunju Kim
- Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins University, Baltimore, Maryland
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Bing Yu
- Department of Epidemiology, Human Genetics, and Environmental Sciences, The University of Texas Health Science Center at Houston, Houston, Texas
| | | | - Eric Boerwinkle
- Department of Epidemiology, Human Genetics, and Environmental Sciences, The University of Texas Health Science Center at Houston, Houston, Texas
| | - Casey M. Rebholz
- Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins University, Baltimore, Maryland
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
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d-Mannose for Recurrent Urinary Tract Infection Prevention in Postmenopausal Women Using Vaginal Estrogen: A Randomized Controlled Trial. UROGYNECOLOGY (HAGERSTOWN, MD.) 2023; 29:367-377. [PMID: 36808931 DOI: 10.1097/spv.0000000000001270] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
IMPORTANCE Further research is needed to determine whether d-mannose plus vaginal estrogen therapy (VET) is beneficial over VET alone for recurrent urinary tract infection (rUTI) prevention. OBJECTIVE The aim of this study was to evaluate d-mannose efficacy for rUTI prevention in postmenopausal women using VET. STUDY DESIGN We conducted a randomized controlled trial comparing d-mannose (2 g/d) with control. Participants were required to have a history of uncomplicated rUTIs and to remain on VET throughout the trial. They were followed up 90 days for incident UTIs. Cumulative UTI incidences were calculated by the Kaplan-Meier method and compared by Cox proportional hazards regression. For the planned interim analysis, P < 0.001 was considered statistically significant. Futility analysis was performed by generating post hoc conditional power for multiple scenarios. RESULTS We evaluated 545 patients for frequent/recurrent UTIs from March 1, 2018, to January 18, 2020. Of these women, 213 had culture-proven rUTIs, 71 were eligible, 57 enrolled, 44 began their planned 90-day study period, and 32 completed the study. At interim analysis, the overall cumulative UTI incidence was 46.6%; 41.1% in the treatment arm (median time to first UTI, 24 days) and 50.4% in the control arm (median, 21 days); hazard ratio, 0.76; 99.9% confidence interval, 0.15-3.97. d-Mannose was well tolerated with high participant adherence. Futility analysis suggested the study lacked power to detect the planned (25%) or observed (9%) difference as statistically significant; the study was halted before conclusion. CONCLUSIONS d-Mannose is a well-tolerated nutraceutical, but further research is needed to determine whether d-mannose in combination with VET has a significant, beneficial effect beyond VET alone in postmenopausal women with rUTIs.
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Xiao P, Hu Z, Lang J, Pan T, Mertens RT, Zhang H, Guo K, Shen M, Cheng H, Zhang X, Cao Q, Ke Y. Mannose metabolism normalizes gut homeostasis by blocking the TNF-α-mediated proinflammatory circuit. Cell Mol Immunol 2023; 20:119-130. [PMID: 36471112 PMCID: PMC9887054 DOI: 10.1038/s41423-022-00955-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 11/07/2022] [Indexed: 12/11/2022] Open
Abstract
Mannose is a naturally occurring sugar widely consumed in the daily diet; however, mechanistic insights into how mannose metabolism affects intestinal inflammation remain lacking. Herein, we reported that mannose supplementation ameliorated colitis development and promoted colitis recovery. Macrophage-secreted inflammatory cytokines, particularly TNF-α, induced pathological endoplasmic reticulum stress (ERS) in intestinal epithelial cells (IECs), which was prevented by mannose via normalization of protein N-glycosylation. By preserving epithelial integrity, mannose reduced the inflammatory activation of colonic macrophages. On the other hand, mannose directly suppressed macrophage TNF-α production translationally by reducing the glyceraldehyde 3-phosphate level, thus promoting GAPDH binding to TNF-α mRNA. Additionally, we found dysregulated mannose metabolism in the colonic mucosa of patients with inflammatory bowel disease. Finally, we revealed that activating PMM2 activity with epalrestat, a clinically approved drug for the treatment of diabetic neuropathy, elicited further sensitization to the therapeutic effect of mannose. Therefore, mannose metabolism prevents TNF-α-mediated pathogenic crosstalk between IECs and intestinal macrophages, thereby normalizing aberrant immunometabolism in the gut.
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Affiliation(s)
- Peng Xiao
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Department of Pathology and Pathophysiology, and Department of Gastroenterology at Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Immunological Disease Research Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Key Laboratory for Immunity and Inflammatory Diseases of Zhejiang Province, Hangzhou, China.
| | - Ziwei Hu
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou, China
| | - Jiaheng Lang
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou, China
| | - Tianyuan Pan
- Department of General Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | | | - Huilun Zhang
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou, China
| | - Ke Guo
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Immunological Disease Research Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Manlu Shen
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Immunological Disease Research Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Hongqiang Cheng
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou, China
| | - Xue Zhang
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou, China
| | - Qian Cao
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Immunological Disease Research Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Yuehai Ke
- Department of Pathology and Pathophysiology, and Department of Gastroenterology at Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou, China.
- Zhejiang Laboratory for Systems and Precision Medicine, Zhejiang University Medical Center, Hangzhou, China.
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Nwasike C, Purr E, Nagi JS, Mahler GJ, Doiron AL. Incorporation of Targeting Biomolecule Improves Interpolymer Complex-Superparamagnetic Iron Oxide Nanoparticles Attachment to and Activation of T 2 MR Signals in M2 Macrophages. Int J Nanomedicine 2023; 18:473-487. [PMID: 36718192 PMCID: PMC9884053 DOI: 10.2147/ijn.s392567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 01/12/2023] [Indexed: 01/25/2023] Open
Abstract
Introduction Inflammatory diseases are the leading cause of death in the world, accounting for 3 out of 5 deaths. Despite the abundance of diagnostic tools for detection, most screening and diagnostic methods are indirect and insufficient as they are unable to reliably discriminate between high-risk or low-risk stages of inflammatory diseases. Previously, we showed that the selective activation of interpolymer complexed superparamagnetic iron oxide nanoparticles (IPC-SPIOs) under oxidative conditions can be detected by a change in T2 magnetic resonance (MR) contrast. In this work, IPC-SPIOs were further modified by incorporating mannose as a targeting biomolecule to enhance nanoparticle delivery to M2 macrophages at inflammatory sites. Methods Uncoated SPIOs were synthesized via coprecipitation from a mixture of FeCl2 and FeCl3, PEGylated by adsorbing PEG 300 kDa (40 mg/mL in water) to SPIOs (3 mg/mL in water) over 24 hours, and complexed by mixing 0.25 mg/mL aqueous poly(gallol) with 2 mg/mL PEG-SPIOs and adding 1 M of phosphate buffer in a 9:9:2 ratio. Mannose-PEG attachment was accomplished conducting a second complexation of mannose-PEG to IPC-SPIOs. M2 macrophages were treated with 150, 100, and 75 µg/mL of IPC-SPIOs and mannose-IPC-SPIOs to investigate activation of T2 MRI signals. Results and Discussion Surface modification resulted in a slight reduction in ROS scavenging capacity; however, nanoparticle uptake by M2 macrophages increased by over 50%. The higher uptake did not cause a reduction in cellular viability. In fact, mannose-IPC-SPIOs induced significant T2 MR contrast in M2 macrophages compared to IPC-SPIOs and nanoparticles exposed to M1 macrophages. M2 macrophages activated over 30% of mannose-IPC-SPIOs after 6 hours of exposure compared to M1 macrophages and untargeted M2 macrophages. These findings demonstrated that mannose-IPC-SPIOs specifically targeted M2 macrophages and scavenged cellular ROS to activate T2 MR signal, which can be used to detect inflammation.
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Affiliation(s)
- Chukwuazam Nwasike
- Department of Biomedical Engineering, Binghamton University (SUNY), Binghamton, NY, USA
| | - Erin Purr
- Department of Biomedical Engineering, Binghamton University (SUNY), Binghamton, NY, USA
| | - Jaspreet Singh Nagi
- Department of Electrical and Biomedical Engineering, University of Vermont, Burlington, VT, USA
| | - Gretchen J Mahler
- Department of Biomedical Engineering, Binghamton University (SUNY), Binghamton, NY, USA
| | - Amber L Doiron
- Department of Electrical and Biomedical Engineering, University of Vermont, Burlington, VT, USA,Correspondence: Amber L Doiron, Email
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Xu M, Sun M, Meng X, Zhang W, Shen Y, Liu W. Engineering Pheromone-Mediated Quorum Sensing with Enhanced Response Output Increases Fucosyllactose Production in Saccharomyces cerevisiae. ACS Synth Biol 2023; 12:238-248. [PMID: 36520033 DOI: 10.1021/acssynbio.2c00507] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Engineering dynamic control of gene expression is desirable because many engineered functions interfere with endogenous cellular processes that have evolved to facilitate growth and survival. Minimizing conflict between growth and production phases can therefore improve product titers in microbial cell factories. We developed an autoinduced gene expression system by rewiring the Saccharomyces cerevisiae pheromone response pathway. To ameliorate growth reduction due to the early onset response at low population densities, α-pheromone of Kluyveromyces lactis (Kα) instead of S. cerevisiae (Sα) was expressed in mating type "a" yeast. Kα-induced expression of pathway genes was further enhanced by the transcriptional activator Gal4p expressed under the control of the pheromone-responsive FUS1 promoter (Pfus1). As a demonstration, the engineered circuit combined with the deletion of the endogenous galactose metabolic pathway genes was applied to the production of human milk oligosaccharides, 2'-fucosyllactose (2'-FL) and 3-fucosllactose (3-FL). The engineered strains produced 3.37 g/L 2'-FL and 2.36 g/L 3-FL on glucose with a volumetric productivity of 0.14 and 0.03 g/L·h-1 in batch flask cultivation, respectively. These represented 147 and 153% increases over the control strains on galactose wherein the respective pathway genes are expressed under GAL promoters only. Further fed-batch fermentation achieved titers of 32.05 and 20.91 g/L for 2' and 3-FL, respectively. The genetic program developed here thus represents a promising option for implementing dynamic regulation in yeast and could be used for the production of biochemicals that may place a heavy metabolic burden on cell growth.
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Affiliation(s)
- Mingyuan Xu
- State Key Laboratory of Microbial Technology, Shandong University, No. 72 Binhai Road, Qingdao 266237, P. R. China
| | - Mengtong Sun
- State Key Laboratory of Microbial Technology, Shandong University, No. 72 Binhai Road, Qingdao 266237, P. R. China
| | - Xiangfeng Meng
- State Key Laboratory of Microbial Technology, Shandong University, No. 72 Binhai Road, Qingdao 266237, P. R. China
| | - Weixin Zhang
- State Key Laboratory of Microbial Technology, Shandong University, No. 72 Binhai Road, Qingdao 266237, P. R. China
| | - Yu Shen
- State Key Laboratory of Microbial Technology, Shandong University, No. 72 Binhai Road, Qingdao 266237, P. R. China
| | - Weifeng Liu
- State Key Laboratory of Microbial Technology, Shandong University, No. 72 Binhai Road, Qingdao 266237, P. R. China
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Impact of Hypermannosylation on the Structure and Functionality of the ER and the Golgi Complex. Biomedicines 2023; 11:biomedicines11010146. [PMID: 36672654 PMCID: PMC9856158 DOI: 10.3390/biomedicines11010146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 12/20/2022] [Accepted: 12/29/2022] [Indexed: 01/10/2023] Open
Abstract
Proteins of the secretory pathway undergo glycosylation in the endoplasmic reticulum (ER) and the Golgi apparatus. Altered protein glycosylation can manifest in serious, sometimes fatal malfunctions. We recently showed that mutations in GDP-mannose pyrophosphorylase A (GMPPA) can cause a syndrome characterized by alacrima, achalasia, mental retardation, and myopathic alterations (AAMR syndrome). GMPPA acts as a feedback inhibitor of GDP-mannose pyrophosphorylase B (GMPPB), which provides GDP-mannose as a substrate for protein glycosylation. Loss of GMPPA thus enhances the incorporation of mannose into glycochains of various proteins, including α-dystroglycan (α-DG), a protein that links the extracellular matrix with the cytoskeleton. Here, we further characterized the consequences of loss of GMPPA for the secretory pathway. This includes a fragmentation of the Golgi apparatus, which comes along with a regulation of the abundance of several ER- and Golgi-resident proteins. We further show that the activity of the Golgi-associated endoprotease furin is reduced. Moreover, the fraction of α-DG, which is retained in the ER, is increased. Notably, WT cells cultured at a high mannose concentration display similar changes with increased retention of α-DG, altered structure of the Golgi apparatus, and a decrease in furin activity. In summary, our data underline the importance of a balanced mannose homeostasis for the secretory pathway.
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Dhanalakshmi M, Sruthi D, Jinuraj KR, Das K, Dave S, Andal NM, Das J. Mannose: a potential saccharide candidate in disease management. Med Chem Res 2023; 32:391-408. [PMID: 36694836 PMCID: PMC9852811 DOI: 10.1007/s00044-023-03015-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 01/04/2023] [Indexed: 01/21/2023]
Abstract
There are a plethora of antibiotic resistance cases and humans are marching towards another big survival test of evolution along with drastic climate change and infectious diseases. Ever since the first antibiotic [penicillin], and the myriad of vaccines, we were privileged to escape many infectious disease threats. The survival technique of pathogens seems rapidly changing and sometimes mimicking our own systems in such a perfect manner that we are left unarmed against them. Apart from searching for natural alternatives, repurposing existing drugs more effectively is becoming a familiar approach to new therapeutic opportunities. The ingenious use of revolutionary artificial intelligence-enabled drug discovery techniques is coping with the speed of such alterations. D-Mannose is a great hope as a nutraceutical in drug discovery, against CDG, diabetes, obesity, lung disease, and autoimmune diseases and recent findings of anti-tumor activity make it interesting along with its role in drug delivery enhancing techniques. A very unique work done in the present investigation is the collection of data from the ChEMBL database and presenting the targetable proteins on pathogens as well as on humans. It shows Mannose has 50 targets and the majority of them are on human beings. The structure and conformation of certain monosaccharides have a decisive role in receptor pathogen interactions and here we attempt to review the multifaceted roles of Mannose sugar, its targets associated with different diseases, as a natural molecule having many success stories as a drug and future hope for disease management. Graphical abstract
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Affiliation(s)
- M. Dhanalakshmi
- Research and Development Centre, Bharathiar University, Coimbatore, 641046 Tamil Nadu India
| | - D. Sruthi
- Department of Biochemistry, Indian Institute of Science, Bengaluru, 560012 India
| | - K. R. Jinuraj
- OSPF-NIAS Drug Discovery Lab, NIAS, IISc Campus, Bengaluru, 560012 India
| | - Kajari Das
- Department of Biotechnology, College of Basic Science and Humanities, Odisha University of Agriculture and Technology, Bhubaneswar-3, Odisha India
| | - Sushma Dave
- Department of Applied Sciences, JIET, Jodhpur, Rajasthan India
| | - N. Muthulakshmi Andal
- Department of Chemistry, PSGR Krishnammal College for Women, Coimbatore, 641004 Tamil Nadu India
| | - Jayashankar Das
- Valnizen Healthcare, Vile Parle West, Mumbai, 400056 Maharashtra India
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Fan E, Dashti M, Fuentes J, Reitzer L, Christie AL, Zimmern PE. d-mannosuria levels measured 1 h after d-mannose intake can select out favorable responders: A pilot study. Neurourol Urodyn 2023; 42:49-55. [PMID: 36183388 DOI: 10.1002/nau.25059] [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: 06/14/2022] [Revised: 09/19/2022] [Accepted: 09/22/2022] [Indexed: 01/03/2023]
Abstract
BACKGROUND d-mannose is used as preventive measure against recurrent urinary tract infections (RUTIs). We studied d-mannosuria after a challenge test to identify favorable responders that could be targeted for long-term preventive therapy. MATERIAL AND METHODS Following institutional review board approval, women attending a specialized tertiary care center urology clinic with a history of RUTIs were invited to participate by providing a urine sample (baseline), followed by the intake of home-dose d-mannose, and a second urine sample 1 h later (post). Urine samples were processed according to a d-mannosuria assay technique reported previously by our group. d-mannose concentrations were normalized to urinary creatinine. RESULTS From July 2020 to March 2021, 26 patients met study criteria. Thirteen had a lower or unchanged ratio of baseline to post d-mannose, whereas 13 were responders. Among 19 taking 2 g, 12 had a lower or unchanged trend and 7 were responders with >20% increase in the d-mannose/creatinine ratio. Comparison of urinary baseline d-mannose/creatinine ratios was significantly different between the responder (mean = 0.337 ± 0.158) and nonresponder (mean = 0.692 ± 0.444; p = 0.016) groups. Urinary post d-mannose/creatinine ratios did not significantly differ between the two groups (p = 0.46). d-mannose-naïve patients had few responders, and age and urinary creatinine did not affect the findings. CONCLUSION This preliminary study on d-mannose challenge tests indicates a urine response if urinary d-mannose/creatinine ratio is low, which it was in some women with a history of RUTIs.
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Affiliation(s)
- Ethan Fan
- Department of Urology, University of Texas Southwestern Medical Centerm, Dallas, Texas, USA
| | - Marjan Dashti
- Department of Biology, The University of Texas at Dallas, Richardson, Texas, USA
| | - Jorge Fuentes
- Department of Urology, University of Texas Southwestern Medical Centerm, Dallas, Texas, USA
| | - Larry Reitzer
- Department of Biology, The University of Texas at Dallas, Richardson, Texas, USA
| | - Alana L Christie
- Simmons Comprehensive Cancer Center Biostatistics Southwestern Medical Center, University of Texas, Dallas, Texas, USA
| | - Philippe E Zimmern
- Department of Urology, University of Texas Southwestern Medical Centerm, Dallas, Texas, USA
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Huang L, Lu X, Zhang H, Zheng B, Zhang Y, Liang P. Effect of gut microbiota and metabolites in normal rats treated with large yellow croaker (Larimichthys crocea) roe phospholipids. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.102132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Franzka P, Turecki G, Cubillos S, Kentache T, Steiner J, Walter M, Hübner CA, Engmann O. Altered mannose metabolism in chronic stress and depression is rapidly reversed by vitamin B12. Front Nutr 2022; 9:981511. [PMID: 36313076 PMCID: PMC9609420 DOI: 10.3389/fnut.2022.981511] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 09/15/2022] [Indexed: 11/13/2022] Open
Abstract
GDP-Mannose Pyrophosphorylase B (GMPPB) is a key enzyme for glycosylation. Previous studies suggested a dysregulation of GMPBB and mannose in depression. Evidence, however, was sporadic and interventions to reverse these changes are unknown. Here, we show that GMPPB protein, but not RNA abundance is increased in the postmortem prefrontal cortex (PFC) of depressed patients and the chronic variable stress (CVS) mouse-model. This is accompanied by higher plasma mannose levels. Importantly, a single dose of intraperitoneally administered vitamin B12, which has previously been shown to rapidly reverse behavioral symptoms and molecular signatures of chronic stress in mice, normalized GMPPB plasma mannose levels and elevated GDP-mannose abundance. In summary, these data underline metabolic dysregulation in chronic stress and depression and provide further support for rapid effects of vitamin B12 on chronic stress.
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Affiliation(s)
- Patricia Franzka
- Institute of Human Genetics, University Hospital Jena, Friedrich Schiller University, Jena, Germany
| | - Gustavo Turecki
- Department of Psychiatry, Douglas Mental Health University Institute, McGill University, Montreal, QC, Canada
| | - Susana Cubillos
- Institute for Biochemistry and Biophysics, Friedrich-Schiller-University Jena, Jena, Germany
| | | | - Johann Steiner
- Clinic for Psychiatry and Psychotherapy, University Hospital of Otto-von-Guericke-Universität Magdeburg, Magdeburg, Germany
| | - Martin Walter
- Department of Psychiatry and Psychotherapy, Jena University Hospital, Jena, Germany
| | - Christian A. Hübner
- Institute of Human Genetics, University Hospital Jena, Friedrich Schiller University, Jena, Germany
| | - Olivia Engmann
- Institute of Human Genetics, University Hospital Jena, Friedrich Schiller University, Jena, Germany,Institute for Biochemistry and Biophysics, Friedrich-Schiller-University Jena, Jena, Germany,*Correspondence: Olivia Engmann,
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Scandola S, Mehta D, Li Q, Rodriguez Gallo MC, Castillo B, Uhrig RG. Multi-omic analysis shows REVEILLE clock genes are involved in carbohydrate metabolism and proteasome function. PLANT PHYSIOLOGY 2022; 190:1005-1023. [PMID: 35670757 PMCID: PMC9516735 DOI: 10.1093/plphys/kiac269] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 05/12/2022] [Indexed: 06/01/2023]
Abstract
Plants are able to sense changes in their light environments, such as the onset of day and night, as well as anticipate these changes in order to adapt and survive. Central to this ability is the plant circadian clock, a molecular circuit that precisely orchestrates plant cell processes over the course of a day. REVEILLE (RVE) proteins are recently discovered members of the plant circadian circuitry that activate the evening complex and PSEUDO-RESPONSE REGULATOR genes to maintain regular circadian oscillation. The RVE8 protein and its two homologs, RVE 4 and 6 in Arabidopsis (Arabidopsis thaliana), have been shown to limit the length of the circadian period, with rve 4 6 8 triple-knockout plants possessing an elongated period along with increased leaf surface area, biomass, cell size, and delayed flowering relative to wild-type Col-0 plants. Here, using a multi-omics approach consisting of phenomics, transcriptomics, proteomics, and metabolomics we draw new connections between RVE8-like proteins and a number of core plant cell processes. In particular, we reveal that loss of RVE8-like proteins results in altered carbohydrate, organic acid, and lipid metabolism, including a starch excess phenotype at dawn. We further demonstrate that rve 4 6 8 plants have lower levels of 20S proteasome subunits and possess significantly reduced proteasome activity, potentially explaining the increase in cell-size observed in RVE8-like mutants. Overall, this robust, multi-omic dataset provides substantial insight into the far-reaching impact RVE8-like proteins have on the diel plant cell environment.
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Affiliation(s)
| | | | - Qiaomu Li
- Department of Biological Sciences, University of Alberta, Edmonton, Canada
| | | | - Brigo Castillo
- Department of Biological Sciences, University of Alberta, Edmonton, Canada
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Kwon D, Lee W, Kim SH, Jung YS. Comparison of Hepatic Metabolite Profiles between Infant and Adult Male Mice Using 1H-NMR-Based Untargeted Metabolomics. Metabolites 2022; 12:metabo12100910. [PMID: 36295812 PMCID: PMC9611911 DOI: 10.3390/metabo12100910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 09/20/2022] [Accepted: 09/23/2022] [Indexed: 11/28/2022] Open
Abstract
Although age-related characteristics of hepatic metabolism are reported, those in infants are not fully understood. In the present study, we performed untargeted metabolomic profiling of the livers of infant (3-week-old) and adult (9-week-old) male ICR mice using 1H-NMR spectroscopy and compared 35 abundant hepatic metabolite concentrations between the two groups. The liver/body weight ratio did not differ between the two groups; however, serum glucose, blood urea nitrogen, total cholesterol, and triglyceride concentrations were lower in infants than in adults. Hepatic carbohydrate metabolites (glucose, maltose, and mannose) were higher, whereas amino acids (glutamine, leucine, methionine, phenylalanine, tyrosine, and valine) were lower in infant mice than in adult mice. The concentrations of ascorbate, betaine, sarcosine, and ethanolamine were higher, whereas those of taurine, inosine, and O-phosphocholine were lower in infant mice than in adult mice. The differences in liver metabolites between the two groups could be due to differences in their developmental stages and dietary sources (breast milk for infants and laboratory chow for adults). The above results provide insights into the hepatic metabolism in infants; however, the exact implications of the findings require further investigation.
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Affiliation(s)
- Doyoung Kwon
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Korea
- Jeju Research Institute of Pharmaceutical Sciences, College of Pharmacy, Jeju National University, Jeju 690-756, Korea
| | - Wonho Lee
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Korea
| | - Sou Hyun Kim
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Korea
- Correspondence: (S.H.K.); (Y.-S.J.); Tel.: +82-51-5102816 (Y.-S.J.)
| | - Young-Suk Jung
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Korea
- Correspondence: (S.H.K.); (Y.-S.J.); Tel.: +82-51-5102816 (Y.-S.J.)
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41
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Bernard L, Zhou L, Surapaneni A, Chen J, Rebholz CM, Coresh J, Yu B, Boerwinkle E, Schlosser P, Grams ME. Serum Metabolites and Kidney Outcomes: The Atherosclerosis Risk in Communities Study. Kidney Med 2022; 4:100522. [PMID: 36046612 PMCID: PMC9420957 DOI: 10.1016/j.xkme.2022.100522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Rationale & Objective Novel metabolite biomarkers of kidney failure with replacement therapy (KFRT) may help identify people at high risk for adverse kidney outcomes and implicated pathways may aid in developing targeted therapeutics. Study Design Prospective cohort. Setting & Participants The cohort included 3,799 Atherosclerosis Risk in Communities study participants with serum samples available for measurement at visit 1 (1987-1989). Exposure Baseline serum levels of 318 metabolites. Outcomes Incident KFRT, kidney failure (KFRT, estimated glomerular filtration rate <15 mL/min/1.73 m2, or death from kidney disease). Analytical Approach Because metabolites are often intercorrelated and represent shared pathways, we used a high dimension reduction technique called Netboost to cluster metabolites. Longitudinal associations between clusters of metabolites and KFRT and kidney failure were estimated using a Cox proportional hazards model. Results Mean age of study participants was 53 years, 61% were African American, and 13% had diabetes. There were 160 KFRT cases and 357 kidney failure cases over a mean of 23 years. The 314 metabolites were grouped in 43 clusters. Four clusters were significantly associated with risk of KFRT and 6 were associated with kidney failure (including 3 shared clusters). The 3 shared clusters suggested potential pathways perturbed early in kidney disease: cluster 5 (15 metabolites involved in alanine, aspartate, and glutamate metabolism as well as 5-oxoproline and several gamma-glutamyl amino acids), cluster 26 (6 metabolites involved in sugar and inositol phosphate metabolism), and cluster 34 (21 metabolites involved in glycerophospholipid metabolism). Several individual metabolites were also significantly associated with both KFRT and kidney failure, including glucose and mannose, which were associated with higher risk of both outcomes, and 5-oxoproline, gamma-glutamyl amino acids, linoleoylglycerophosphocholine, 1,5-anhydroglucitol, which were associated with lower risk of both outcomes. Limitations Inability to determine if the metabolites cause or are a consequence of changes in kidney function. Conclusions We identified several clusters of metabolites reproducibly associated with development of KFRT. Future experimental studies are needed to validate our findings as well as continue unraveling metabolic pathways involved in kidney function decline.
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Mannose ameliorates experimental colitis by protecting intestinal barrier integrity. Nat Commun 2022; 13:4804. [PMID: 35974017 PMCID: PMC9381535 DOI: 10.1038/s41467-022-32505-8] [Citation(s) in RCA: 61] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 08/02/2022] [Indexed: 12/23/2022] Open
Abstract
Metabolite alteration has been associated with the pathogenesis of inflammatory bowel disease (IBD), including colitis. Mannose, a natural bioactive monosaccharide that is involved in metabolism and synthesis of glycoproteins, exhibits anti-inflammatory and anti-oxidative activities. We show here that the circulating level of mannose is increased in patients with IBD and mice with experimental colitis. Mannose treatment attenuates intestinal barrier damage in two mouse colitis models, dextran sodium sulfate (DSS)-induced colitis and spontaneous colitis in IL-10-deficient mice. We demonstrate that mannose treatment enhanced lysosomal integrity and limited the release of cathepsin B, preventing mitochondrial dysfunction and myosin light chain kinase (MLCK)-induced tight junction disruption in the context of intestinal epithelial damage. Mannose exerts a synergistic therapeutic effect with mesalamine on mouse colitis. Cumulatively, the results indicate that mannose supplementation may be an optional approach to the treatment of colitis and other diseases associated with intestinal barrier dysfunction.
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Parazzini F, Ricci E, Fedele F, Chiaffarino F, Esposito G, Cipriani S. Systematic review of the effect of D‑mannose with or without other drugs in the treatment of symptoms of urinary tract infections/cystitis (Review). Biomed Rep 2022; 17:69. [PMID: 35815191 PMCID: PMC9260159 DOI: 10.3892/br.2022.1552] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 05/03/2022] [Indexed: 11/06/2022] Open
Abstract
Several studies, reviews and meta-analyses have documented that D-mannose use lowers the risk of recurrent urinary tract infections (UTI), but its role in the treatment of UTI/cystitis-related symptoms is unclear. In particular, no systematic review has analyzed the role of treatment with D-mannose in acute UTI/cystitis. In this paper, we systematically reviewed the published data on the effect of D-mannose, alone or in association with other compounds, on the typical symptoms of UTI/cystitis. PubMed/Medline and EMBASE databases were searched, from 1990 to January 2022, using combinations of the following keywords: ‘urinary tract infections’, ‘cystalgia’, ‘recurrent next urinary tract infection’, ‘cystitis’, ‘mannose’, ‘mannoside’, ‘D-mannose’, ‘bacteriuria’, ‘pyuria’, ‘pyelocystitis’ with the appropriate Boolean modifiers (Limits: Human, English, full article). Studies were selected for the systematic review if they were clinical studies and reported original data, the number of patients using D-mannose alone or in association with other treatments, and the number of patients with symptoms of UTI/cystitis at trial entry and after the follow-up period. A total of seven studies were identified. D-mannose was given alone in two studies, and was associated with cranberry extract, Morinda citrifolia fruit extract, pomegranate extract, fructo-oligosaccharides, lactobacilli, and N-acetylcysteine in the others. All studies reported that symptoms decreased after treatment with D-mannose. Despite the limitations of the studies, the consistent results observed among all studies give support to the general findings that D-mannose may be useful in the treatment of UTI/cystitis symptoms.
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Affiliation(s)
- Fabio Parazzini
- Department of Clinical Sciences and Community Health, University of Milan, School of Medicine and Surgery, I‑20122 Milan, Italy
| | - Elena Ricci
- Department of Clinical Sciences and Community Health, University of Milan, School of Medicine and Surgery, I‑20122 Milan, Italy
| | - Francesco Fedele
- Department of Clinical Sciences and Community Health, University of Milan, School of Medicine and Surgery, I‑20122 Milan, Italy
| | - Francesca Chiaffarino
- Gynecology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, I‑20122 Milan, Italy
| | - Giovanna Esposito
- Department of Clinical Sciences and Community Health, University of Milan, School of Medicine and Surgery, I‑20122 Milan, Italy
| | - Sonia Cipriani
- Gynecology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, I‑20122 Milan, Italy
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Geiculescu I, Dranove J, Cosper G, Edmondson AC, Morava-Kozicz E, Carter LB. A rare cause of infantile achalasia: GMPPA-congenital disorder of glycosylation with two novel compound heterozygous variants. Am J Med Genet A 2022; 188:2438-2442. [PMID: 35665995 PMCID: PMC9283290 DOI: 10.1002/ajmg.a.62859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 05/07/2022] [Accepted: 05/13/2022] [Indexed: 12/03/2022]
Abstract
Achalasia is rare in the pediatric population and should prompt clinicians to consider genetic disorders associated with this condition. While AAA syndrome (also known as Allgrove or Triple A syndrome) is commonly considered, GMPPA‐congenital disorder of glycosylation (CDG) should also be in the differential diagnosis. We report a 9‐month‐old female born to nonconsanguineous parents with achalasia and alacrima found to have two novel compound heterozygous variants in the GMPPA gene associated with GMPPA‐CDG. This rare disorder is commonly associated with developmental delay and intellectual disability. We discuss management of this disorder including the importance of confirming a genetic diagnosis and summarize reported cases.
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Affiliation(s)
- Irina Geiculescu
- Department of Pediatrics, Levine Children's Hospital, Charlotte, North Carolina, USA
| | - Jason Dranove
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Levine Children's Hospital, Charlotte, North Carolina, USA
| | - Graham Cosper
- Pediatric Surgical Associates, Levine Children's Hospital, Charlotte, North Carolina, USA
| | - Andrew C Edmondson
- Division of Human Genetics, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Eva Morava-Kozicz
- Department of Clinical Genomics, Mayo Clinic, Rochester, Minnesota, USA
| | - Lauren B Carter
- Department of Pediatrics, Division of Medical Genetics, Levine Children's Hospital, Atrium Health, Charlotte, North Carolina, USA
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45
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Zhang B, Wan Y, Zhou X, Zhang H, Zhao H, Ma L, Dong X, Yan M, Zhao T, Li P. Characteristics of Serum Metabolites and Gut Microbiota in Diabetic Kidney Disease. Front Pharmacol 2022; 13:872988. [PMID: 35548353 PMCID: PMC9084235 DOI: 10.3389/fphar.2022.872988] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 03/18/2022] [Indexed: 01/11/2023] Open
Abstract
Disturbance of circulating metabolites and disorders of the gut microbiota are involved in the progression of diabetic kidney disease (DKD). However, there is limited research on the relationship between serum metabolites and gut microbiota, and their involvement in DKD. In this study, using an experimental DKD rat model induced by combining streptozotocin injection and unilateral nephrectomy, we employed untargeted metabolomics and 16S rRNA gene sequencing to explore the relationship between the metabolic profile and the structure and function of gut microbiota. Striking alterations took place in 140 serum metabolites, as well as in the composition and function of rat gut microbiota. These changes were mainly associated with carbohydrate, lipid, and amino acid metabolism. In these pathways, isomaltose, D-mannose, galactonic acid, citramalic acid, and prostaglandin B2 were significantly upregulated. 3-(2-Hydroxyethyl)indole, 3-methylindole, and indoleacrylic acid were downregulated and were the critical metabolites in the DKD model. Furthermore, the levels of these three indoles were restored after treatment with the traditional Chinese herbal medicine Tangshen Formula. At the genera level, g_Eubacterium_nodatum_group, g_Lactobacillus, and g_Faecalibaculum were most involved in metabolic disorders in the progression of DKD. Notably, the circulating lipid metabolites had a strong relationship with DKD-related parameters and were especially negatively related to the mesangial matrix area. Serum lipid indices (TG and TC) and UACR were directly associated with certain microbial genera. In conclusion, the present research verified the anomalous circulating metabolites and gut microbiota in DKD progression. We also identified the potential metabolic and microbial targets for the treatment of DKD.
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Affiliation(s)
- Bo Zhang
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,Beijing Key Laboratory for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Yuzhou Wan
- Beijing Key Laboratory for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Xuefeng Zhou
- Beijing Key Laboratory for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Haojun Zhang
- Beijing Key Laboratory for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Hailing Zhao
- Beijing Key Laboratory for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Liang Ma
- Beijing Key Laboratory for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Xi Dong
- Beijing Key Laboratory for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Meihua Yan
- Beijing Key Laboratory for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Tingting Zhao
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,Beijing Key Laboratory for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Ping Li
- Beijing Key Laboratory for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
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46
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Boyer SW, Johnsen C, Morava E. Nutrition interventions in congenital disorders of glycosylation. Trends Mol Med 2022; 28:463-481. [PMID: 35562242 DOI: 10.1016/j.molmed.2022.04.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 03/30/2022] [Accepted: 04/04/2022] [Indexed: 12/13/2022]
Abstract
Congenital disorders of glycosylation (CDG) are a group of more than 160 inborn errors of metabolism affecting multiple pathways of protein and lipid glycosylation. Patients present with a wide range of symptoms and therapies are only available for very few subtypes. Specific nutritional treatment options for certain CDG types include oral supplementation of monosaccharide sugars, manganese, uridine, or pyridoxine. Additional management includes specific diets (i.e., complex carbohydrate or ketogenic diet), iron supplementation, and albumin infusions. We review the dietary management in CDG with a focus on two subgroups: N-linked glycosylation defects and GPI-anchor disorders.
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Affiliation(s)
- Suzanne W Boyer
- Department of Clinical Genomics, Mayo Clinic, Rochester, MN, USA
| | - Christin Johnsen
- Department of Clinical Genomics, Mayo Clinic, Rochester, MN, USA
| | - Eva Morava
- Department of Clinical Genomics, Mayo Clinic, Rochester, MN, USA.
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47
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Hu M, Chen Y, Deng F, Chang B, Luo J, Dong L, Lu X, Zhang Y, Chen Z, Zhou J. D-Mannose Regulates Hepatocyte Lipid Metabolism via PI3K/Akt/mTOR Signaling Pathway and Ameliorates Hepatic Steatosis in Alcoholic Liver Disease. Front Immunol 2022; 13:877650. [PMID: 35464439 PMCID: PMC9021718 DOI: 10.3389/fimmu.2022.877650] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 03/17/2022] [Indexed: 11/25/2022] Open
Abstract
This study investigated the protective properties and mechanisms of D-mannose against hepatic steatosis in experimental alcoholic liver disease (ALD). Drinking-water supplementation of D-mannose significantly attenuated hepatic steatosis in a standard mouse ALD model established by chronic-binge ethanol feeding, especially hepatocyte lipid deposition. This function of D-mannose on lipid accumulation in hepatocytes was also confirmed using ethanol-treated primary mouse hepatocytes (PMHs) with a D-mannose supplement. Meanwhile, D-mannose regulated lipid metabolism by rescuing ethanol-mediated reduction of fatty acid oxidation genes (PPARα, ACOX1, CPT1) and elevation of lipogenic genes (SREBP1c, ACC1, FASN). PI3K/Akt/mTOR signaling pathway was involved in this effect of D-mannose on lipid metabolism since PI3K/Akt/mTOR pathway inhibitors or agonists could abolish this effect in PMHs. Overall, our findings suggest that D-mannose exhibits its anti-steatosis effect in ALD by regulating hepatocyte lipid metabolism via PI3K/Akt/mTOR signaling pathway.
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Affiliation(s)
- Mengyao Hu
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Yu Chen
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.,Department of Medical Laboratory, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Fan Deng
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.,Department of Medical Laboratory, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Bo Chang
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Jialiang Luo
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.,Department of Medical Laboratory, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Lijun Dong
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.,Department of Medical Laboratory, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Xiao Lu
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Yi Zhang
- Department of Medical Laboratory, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Zhengliang Chen
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Jia Zhou
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
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Add Sugar to Chitosan: Mucoadhesion and In Vitro Intestinal Permeability of Mannosylated Chitosan Nanocarriers. Pharmaceutics 2022; 14:pharmaceutics14040830. [PMID: 35456664 PMCID: PMC9024478 DOI: 10.3390/pharmaceutics14040830] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/01/2022] [Accepted: 04/07/2022] [Indexed: 02/04/2023] Open
Abstract
Crosslinked chitosan nanocarriers (140–160 nm) entrapping coumarin-6 (λex/em = 455/508 nm) with or without surface mannosylation were synthesized and assessed for cytotoxicity, adherence and cellular uptake in Caco-2 cells, flux across Caco-2 monolayers, and mucoadhesion to porcine mucin. Mannosylated and non-mannosylated nanocarriers demonstrated biocompatibility with slow release of coumarin-6 at pH 6.8 and 7.4 over 24 h. Adherence of the non-mannosylated nanocarriers (50 and 150 µg/mL) to Caco-2 cells was ~10% over 24 h, whereas cellular uptake of 25–30% was noted at 4 h. The mannosylated nanocarriers showed a similar adherence to non-mannosylated nanocarriers after 24 h, but a lower cellular uptake (~20%) at 1 h, comparable uptake at 4 h, and a higher uptake (~25–30%) at 24 h. Overall, the nanocarriers did not affect the integrity of Caco-2 monolayers. Mannosylated nanocarriers elicited higher Papp of 1.6 × 10−6 cm/s (50 µg/mL) and 1.2 × 10−6 (150 µg/mL) than the non-mannosylated ones: 9.8 × 10−7 cm/s (50 µg/mL) and 1.0 × 10−6 (150 µg/mL) after 2 h. Non-mannosylated chitosan nanocarriers elicited enhanced adhesion to porcine gut mucin via mucin-filled microchannels due to higher cationic charge density. These results underpin the importance of surface chemistry in the biological interactions of nanocarriers, while highlighting the role of surface hydrophilicity in mucopermeation due to mannosylation.
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49
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Phosphatidylmannoside prevents obesity induced by high-fat feeding. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2021.101537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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50
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Ala-Jaakkola R, Laitila A, Ouwehand AC, Lehtoranta L. Role of D-mannose in urinary tract infections - a narrative review. Nutr J 2022; 21:18. [PMID: 35313893 PMCID: PMC8939087 DOI: 10.1186/s12937-022-00769-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 03/04/2022] [Indexed: 12/27/2022] Open
Abstract
Urinary tract infections (UTIs) are one of the most prevalent bacterial diseases worldwide. Despite the efficacy of antibiotics targeted against UTI, the recurrence rates remain significant among the patients. Furthermore, the development of antibiotic resistance is a major concern and creates a demand for alternative treatment options. D-mannose, a monosaccharide naturally found in fruits, is commonly marketed as a dietary supplement for reducing the risk for UTIs. Research suggests that supplemented D-mannose could be a promising alternative or complementary remedy especially as a prophylaxis for recurrent UTIs. When excreted in urine, D-mannose potentially inhibits Escherichia coli, the main causative organism of UTIs, from attaching to urothelium and causing infection. In this review, we provide an overview of UTIs, E. coli pathogenesis and D-mannose and outline the existing clinical evidence of D-mannose in reducing the risk of UTI and its recurrence. Furthermore, we discuss the potential effect mechanisms of D-mannose against uropathogenic E.coli.
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Affiliation(s)
- Reeta Ala-Jaakkola
- Health & Biosciences, International Flavors & Fragrances, Sokeritehtaantie 20, FIN-02460, Kantvik, Finland
| | - Arja Laitila
- Health & Biosciences, International Flavors & Fragrances, Sokeritehtaantie 20, FIN-02460, Kantvik, Finland
| | - Arthur C Ouwehand
- Health & Biosciences, International Flavors & Fragrances, Sokeritehtaantie 20, FIN-02460, Kantvik, Finland.
| | - Liisa Lehtoranta
- Health & Biosciences, International Flavors & Fragrances, Sokeritehtaantie 20, FIN-02460, Kantvik, Finland
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