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Ledderose C, Valsami EA, Elevado M, Liu Q, Giva B, Curatolo J, Delfin J, Abutabikh R, Junger WG. Impaired ATP hydrolysis in blood plasma contributes to age-related neutrophil dysfunction. Immun Ageing 2024; 21:45. [PMID: 38961477 PMCID: PMC11221114 DOI: 10.1186/s12979-024-00441-4] [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: 02/29/2024] [Accepted: 05/29/2024] [Indexed: 07/05/2024]
Abstract
BACKGROUND The function of polymorphonuclear neutrophils (PMNs) decreases with age, which results in infectious and inflammatory complications in older individuals. The underlying causes are not fully understood. ATP release and autocrine stimulation of purinergic receptors help PMNs combat microbial invaders. Excessive extracellular ATP interferes with these mechanisms and promotes inflammatory PMN responses. Here, we studied whether dysregulated purinergic signaling in PMNs contributes to their dysfunction in older individuals. RESULTS Bacterial infection of C57BL/6 mice resulted in exaggerated PMN activation that was significantly greater in old mice (64 weeks) than in young animals (10 weeks). In contrast to young animals, old mice were unable to prevent the systemic spread of bacteria, resulting in lethal sepsis and significantly greater mortality in old mice than in their younger counterparts. We found that the ATP levels in the plasma of mice increased with age and that, along with the extracellular accumulation of ATP, the PMNs of old mice became increasingly primed. Stimulation of the formyl peptide receptors of those primed PMNs triggered inflammatory responses that were significantly more pronounced in old mice than in young animals. However, bacterial phagocytosis and killing by PMNs of old mice were significantly lower than that of young mice. These age-dependent PMN dysfunctions correlated with a decrease in the enzymatic activity of plasma ATPases that convert extracellular ATP to adenosine. ATPases depend on divalent metal ions, including Ca2+, Mg2+, and Zn2+, and we found that depletion of these ions blocked the hydrolysis of ATP and the formation of adenosine in human blood, resulting in ATP accumulation and dysregulation of PMN functions equivalent to those observed in response to aging. CONCLUSIONS Our findings suggest that impaired hydrolysis of plasma ATP dysregulates PMN function in older individuals. We conclude that strategies aimed at restoring plasma ATPase activity may offer novel therapeutic opportunities to reduce immune dysfunction, inflammation, and infectious complications in older patients.
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Affiliation(s)
- Carola Ledderose
- Department of Surgery, University of California, San Diego Health, 9452 Medical Ctr Dr, La Jolla, San Diego, CA, 92037, USA
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | | | - Mark Elevado
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Qing Liu
- Department of Surgery, University of California, San Diego Health, 9452 Medical Ctr Dr, La Jolla, San Diego, CA, 92037, USA
| | - Brennan Giva
- Department of Surgery, University of California, San Diego Health, 9452 Medical Ctr Dr, La Jolla, San Diego, CA, 92037, USA
| | - Julian Curatolo
- Department of Surgery, University of California, San Diego Health, 9452 Medical Ctr Dr, La Jolla, San Diego, CA, 92037, USA
| | - Joshua Delfin
- Department of Surgery, University of California, San Diego Health, 9452 Medical Ctr Dr, La Jolla, San Diego, CA, 92037, USA
| | - Reem Abutabikh
- Department of Surgery, University of California, San Diego Health, 9452 Medical Ctr Dr, La Jolla, San Diego, CA, 92037, USA
| | - Wolfgang G Junger
- Department of Surgery, University of California, San Diego Health, 9452 Medical Ctr Dr, La Jolla, San Diego, CA, 92037, USA.
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
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Tasleem M, Pelletier J, Sévigny J, Hussain Z, Khan A, Al-Harrasi A, El-Kott AF, Taslimi P, Negm S, Shafiq Z, Iqbal J. Synthesis, in vitro, and in silico studies of morpholine-based thiosemicarbazones as ectonucleotide pyrophosphatase/phosphodiesterase-1 and -3 inhibitors. Int J Biol Macromol 2024; 266:131068. [PMID: 38531526 DOI: 10.1016/j.ijbiomac.2024.131068] [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: 11/08/2023] [Revised: 03/06/2024] [Accepted: 03/20/2024] [Indexed: 03/28/2024]
Abstract
An extensive range of new biologically active morpholine based thiosemicarbazones derivatives 3a-r were synthesized, characterized by spectral techniques and evaluated as inhibitors of ENPP isozymes. Most of the novel thiosemicarbazones exhibit potent inhibition towards NPP1 and NPP3 isozymes. Compound 3 h was potent inhibitor of NPP1 with IC50 value of 0.55 ± 0.02. However, the most powerful inhibitor of NPP3 was 3e with an IC50 value of 0.24 ± 0.02. Furthermore, Lineweaver-Burk plot for compound 3 h against NPP1 and for compound 3e against NPP3 was devised through enzymes kinetics studies. Molecular docking and in silico studies was also done for analysis of interaction pattern of all newly synthesized compounds. The results were further validated by molecular dynamic (MD) simulation where the stability of conformational transformation of the best protein-ligand complex (3e) were justified on the basis of RMSD and RMSF analysis.
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Affiliation(s)
- Mussarat Tasleem
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Julie Pelletier
- Centre de Recherche du CHU de Québec-Université Laval, Québec G1V 4G2, Canada
| | - Jean Sévigny
- Centre de Recherche du CHU de Québec-Université Laval, Québec G1V 4G2, Canada; Département de Microbiologie-infectiologie et d'immunologie, Faculté de Médecine, Université Laval, Québec G1V 0A6, Canada
| | - Zahid Hussain
- Centre for Advanced Drug Research, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Ajmal Khan
- Natural and Medical Sciences Research Centre, University of Nizwa, P.O. Box 33, PC 616, Birkat Al Mauz, Nizwa, Sultanate of Oman
| | - Ahmed Al-Harrasi
- Natural and Medical Sciences Research Centre, University of Nizwa, P.O. Box 33, PC 616, Birkat Al Mauz, Nizwa, Sultanate of Oman.
| | - Attalla F El-Kott
- Department of Biology, College of Science, King Khalid University, Abha, Saudi Arabia; Department of Zoology, College of Science, Damanhour University, Egypt
| | - Parham Taslimi
- Department of Biotechnology, Faculty of Science, Bartin University, 74100 Bartin, Türkiye
| | - Sally Negm
- Department of Life Sciences, College of Science and Art Mahyel Aseer, King Khalid University, Abha 62529, Saudi Arabia
| | - Zahid Shafiq
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan; Department of Pharmaceutical & Medicinal Chemistry, An der Immenburg 4, D-53121 Bonn, Germany.
| | - Jamshed Iqbal
- Centre for Advanced Drug Research, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan.
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Koike S, Keino-Masu K, Masu M. Enpp2 haploinsufficiency induces an eye-open-at-birth phenotype in the DBA/2 background. MICROPUBLICATION BIOLOGY 2024; 2024:10.17912/micropub.biology.001212. [PMID: 38725939 PMCID: PMC11079641 DOI: 10.17912/micropub.biology.001212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/12/2024] [Accepted: 04/19/2024] [Indexed: 05/12/2024]
Abstract
Autotaxin, encoded by the Enpp2 gene, produces lysophosphatidic acid (LPA), which exerts numerous biological functions via its cognate receptors. Enpp2 null mutant mice die by embryonic day 9.5 owing to aberrant vascular development in the yolk sac, preventing analysis after that period. In this study, we found that Enpp2 heterozygous mice in the DBA/2 genetic background showed an eye-open-at-birth phenotype at high frequency, caused by failure of eyelid closure during the embryonic stage. Notably, wildtype pups from the Enpp2 heterozygous dam showed the phenotype, although at lower frequency, suggesting that maternal LPA affects the embryonic development.
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Affiliation(s)
- Seiichi Koike
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
- Department of Molecular Neurobiology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
- Engineering for Research, University of Toyama, Toyama, Toyama, Japan
| | - Kazuko Keino-Masu
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
- Department of Molecular Neurobiology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Masayuki Masu
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
- Department of Molecular Neurobiology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
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4
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Laketa D, Lavrnja I. Extracellular Purine Metabolism-Potential Target in Multiple Sclerosis. Mol Neurobiol 2024:10.1007/s12035-024-04104-9. [PMID: 38499905 DOI: 10.1007/s12035-024-04104-9] [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: 07/26/2023] [Accepted: 03/07/2024] [Indexed: 03/20/2024]
Abstract
The purinergic signaling system comprises a complex network of extracellular purines and purine-metabolizing ectoenzymes, nucleotide and nucleoside receptors, ATP release channels, and nucleoside transporters. Because of its immunomodulatory function, this system is critically involved in the pathogenesis of multiple sclerosis (MS) and its best-characterized animal model, experimental autoimmune encephalomyelitis (EAE). MS is a chronic neuroinflammatory demyelinating and neurodegenerative disease with autoimmune etiology and great heterogeneity, mostly affecting young adults and leading to permanent disability. In MS/EAE, alterations were detected in almost all components of the purinergic signaling system in both peripheral immune cells and central nervous system (CNS) glial cells, which play an important role in the pathogenesis of the disease. A decrease in extracellular ATP levels and an increase in its downstream metabolites, particularly adenosine and inosine, were frequently observed at MS, indicating a shift in metabolism toward an anti-inflammatory environment. Accordingly, upregulation of the major ectonucleotidase tandem CD39/CD73 was detected in the blood cells and CNS of relapsing-remitting MS patients. Based on the postulated role of A2A receptors in the transition from acute to chronic neuroinflammation, the association of variants of the adenosine deaminase gene with the severity of MS, and the beneficial effects of inosine treatment in EAE, the adenosinergic system emerged as a promising target in neuroinflammation. More recently, several publications have identified ADP-dependent P2Y12 receptors and the major extracellular ADP producing enzyme nucleoside triphosphate diphosphohydrolase 2 (NTPDase2) as novel potential targets in MS.
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Affiliation(s)
- Danijela Laketa
- Department of General Physiology and Biophysics, Institute for Physiology and Biochemistry "Ivan Djaja", Faculty of Biology, University of Belgrade, Studentski Trg 3, Belgrade, Republic of Serbia.
| | - Irena Lavrnja
- Institute for Biological Research, Sinisa Stankovic" - National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, Belgrade, Republic of Serbia
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5
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Du B, Ru J, Zhan Z, Lin C, Liu Y, Mao W, Zhang J. Insight into small-molecule inhibitors targeting extracellular nucleotide pyrophosphatase/phosphodiesterase1 for potential multiple human diseases. Eur J Med Chem 2024; 268:116286. [PMID: 38432057 DOI: 10.1016/j.ejmech.2024.116286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 02/06/2024] [Accepted: 02/24/2024] [Indexed: 03/05/2024]
Abstract
Extracellular nucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1) has been identified as a type II transmembrane glycoprotein. It plays a crucial role in various biological processes, such as bone mineralization, cancer cell proliferation, and immune regulation. Consequently, ENPP1 has garnered attention as a promising target for pharmacological interventions. Despite its potential, the development of clinical-stage ENPP1 inhibitors for solid tumors, diabetes, and silent rickets remains limited. However, there are encouraging findings from preclinical trials involving small molecules exhibiting favorable therapeutic effects and safety profiles. This perspective aims to shed light on the structural properties, biological functions and the relationship between ENPP1 and diseases. Additionally, it focuses on the structure-activity relationship of ENPP1 inhibitors, with the intention of guiding the future development of new and effective ENPP1 inhibitors.
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Affiliation(s)
- Baochan Du
- Department of Neurology, Neuro-system and Multimorbidity Laboratory and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jinxiao Ru
- Department of Neurology, Neuro-system and Multimorbidity Laboratory and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zixuan Zhan
- Department of Neurology, Neuro-system and Multimorbidity Laboratory and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Congcong Lin
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Yang Liu
- Department of Medical Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, China
| | - Wuyu Mao
- Department of Neurology, Neuro-system and Multimorbidity Laboratory and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
| | - Jifa Zhang
- Department of Neurology, Neuro-system and Multimorbidity Laboratory and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China.
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Guan D, Fang L, Feng M, Guo S, Xie L, Chen C, Sun X, Wu Q, Yuan X, Xie Z, Zhou J, Zhang H. Ecto-nucleotide pyrophosphatase/phosphodiesterase 1 inhibitors: Research progress and prospects. Eur J Med Chem 2024; 267:116211. [PMID: 38359537 DOI: 10.1016/j.ejmech.2024.116211] [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: 11/13/2023] [Revised: 01/15/2024] [Accepted: 01/31/2024] [Indexed: 02/17/2024]
Abstract
The cancer immunotherapies involved in cGAS-STING pathway have been made great progress in recent years. STING agonists exhibit broad-spectrum anti-tumor effects with strong immune response. As a negative regulator of the cGAS-STING pathway, ecto-nucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1) can hydrolyze extracellular 2', 3'-cGAMP and reduce extracellular 2', 3'-cGAMP concentration. ENPP1 has been validated to play important roles in diabetes, cancers, and cardiovascular disease and now become a promising target for tumor immunotherapy. Several ENPP1 inhibitors under development have shown good anti-tumor effects alone or in combination with other agents in clinical and preclinical researches. In this review, the biological profiles of ENPP1 were described, and the structures and the structure-activity relationships (SAR) of the known ENPP1 inhibitors were summarized. This review also provided the prospects and challenges in the development of ENPP1 inhibitors.
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Affiliation(s)
- Dezhong Guan
- Department of Medicinal Chemistry, China Pharmaceutical University, TongjiaXiang 24, 210009, Nanjing, China
| | - Lincheng Fang
- Peking University Shenzhen Graduate School, Shenzhen, China
| | - Mingshun Feng
- Division of Antitumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Shi Guo
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Lingfeng Xie
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Chao Chen
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Xue Sun
- Department of Medicinal Chemistry, China Pharmaceutical University, TongjiaXiang 24, 210009, Nanjing, China
| | - Qingyun Wu
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Xinrui Yuan
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Zuoquan Xie
- Division of Antitumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.
| | - Jinpei Zhou
- Department of Medicinal Chemistry, China Pharmaceutical University, TongjiaXiang 24, 210009, Nanjing, China.
| | - Huibin Zhang
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China.
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7
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Li X, Koyama Y, Taura K, Nishio T, Yoh T, Nishino H, Uemoto Y, Kimura Y, Nakamura D, Nam NH, Sato M, Seo S, Iwaisako K, Hatano E. High expression of autotaxin is associated with poor recurrence-free survival in cholangiocarcinoma. Hepatol Res 2024. [PMID: 38430513 DOI: 10.1111/hepr.14031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 02/08/2024] [Accepted: 02/12/2024] [Indexed: 03/04/2024]
Abstract
BACKGROUND AND AIM Autotaxin (ATX) is an extracellular lysophospholipase D that catalyzes the hydrolysis of lysophosphatidylcholine into lysophosphatidic acid (LPA). Recent accumulating evidence indicates the biological roles of ATX in malignant tumors. However, the expression and clinical implications of ATX in human cholangiocarcinoma (CCA) remain elusive. METHODS In this study, the expression of ATX in 97 human CCA tissues was evaluated by immunohistochemistry. Serum ATX levels were determined in CCA patients (n = 26) and healthy subjects (n = 8). Autotaxin expression in cell types within the tumor microenvironment was characterized by immunofluorescence staining. RESULTS High ATX expression in CCA tissue was significantly associated with a higher frequency of lymph node metastasis (p = 0.050). High ATX expression was correlated with shorter overall survival (p = 0.032) and recurrence-free survival (RFS) (p = 0.001) than low ATX expression. In multivariate Cox analysis, high ATX expression (p = 0.019) was an independent factor for shorter RFS. Compared with low ATX expression, high ATX expression was significantly associated with higher Ki-67-positive cell counts (p < 0.001). Serum ATX levels were significantly higher in male CCA patients than in healthy male subjects (p = 0.030). In the tumor microenvironment of CCA, ATX protein was predominantly expressed in tumor cells, cancer-associated fibroblasts, plasma cells, and biliary epithelial cells. CONCLUSIONS Our study highlights the clinical evidence and independent prognostic value of ATX in human CCA.
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Affiliation(s)
- Xuefeng Li
- Division of Hepatobiliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yukinori Koyama
- Division of Hepatobiliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kojiro Taura
- Division of Hepatobiliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
- Department of Gastroenterological Surgery and Oncology, Tazuke Kofukai Medical Research Institute, Kitano Hospital, Osaka, Japan
| | - Takahiro Nishio
- Division of Hepatobiliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Tomoaki Yoh
- Division of Hepatobiliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hiroto Nishino
- Division of Hepatobiliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yusuke Uemoto
- Division of Hepatobiliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yusuke Kimura
- Division of Hepatobiliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Daichi Nakamura
- Division of Hepatobiliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Nguyen Hai Nam
- Department of Liver Tumor, Cancer Center, Cho Ray Hospital, Ho Chi Minh City, Vietnam
| | - Motohiko Sato
- Division of Hepatobiliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Satoru Seo
- Department of Surgery, Kochi Medical School, Kochi, Japan
| | - Keiko Iwaisako
- Department of Medical Life Systems, Faculty of Life and Medical Sciences, Doshisha University, Kyotanabe, Japan
| | - Etsuro Hatano
- Division of Hepatobiliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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Yin X, Vesvoranan O, Andreopoulos F, Dauer EA, Gu W, Huang CYC. Analysis of Extracellular ATP Distribution in the Intervertebral Disc. Ann Biomed Eng 2024; 52:542-555. [PMID: 37934317 DOI: 10.1007/s10439-023-03398-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 10/25/2023] [Indexed: 11/08/2023]
Abstract
Progressive loss of proteoglycans (PGs) is the major biochemical change during intervertebral disc (IVD) degeneration. Adenosine triphosphate (ATP) as the primary energy source is not only critical for cell survival but also serves as a building block in PG synthesis. Extracellular ATP can mediate a variety of physiological functions and was shown to promote extracellular matrix (ECM) production in the IVD. Therefore, the objective of this study was to develop a 3D finite element model to predict extracellular ATP distribution in the IVD and evaluate the impact of degeneration on extracellular ATP distribution. A novel 3D finite element model of the IVD was developed by incorporating experimental measurements of ATP metabolism and ATP-PG binding kinetics into the mechano-electrochemical mixture theory. The new model was validated by experimental data of porcine IVD, and then used to analyze the extracellular distribution of ATP in human IVDs. Extracellular ATP was shown to bind specifically with PGs in IVD ECM. It was found that annulus fibrosus cells hydrolyze ATP faster than that of nucleus pulposus (NP) cells whereas NP cells exhibited a higher ATP release. The distribution of extracellular ATP in a porcine model was consistent with experimental data in our previous study. The predictions from a human IVD model showed a high accumulation of extracellular ATP in the NP region, whereas the extracellular ATP level was reduced with tissue degeneration. This study provides an understanding of extracellular ATP metabolism and its potential biological influences on the IVD via purinergic signaling.
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Affiliation(s)
- Xue Yin
- Department of Biomedical Engineering, University of Miami, Coral Gables, FL, USA
| | - Oraya Vesvoranan
- Department of Biomedical Engineering, University of Miami, Coral Gables, FL, USA
| | - Fotios Andreopoulos
- Department of Biomedical Engineering, University of Miami, Coral Gables, FL, USA
| | - Edward A Dauer
- Department of Biomedical Engineering, University of Miami, Coral Gables, FL, USA
| | - Weiyong Gu
- Department of Mechanical and Aerospace Engineering, University of Miami, Coral Gables, FL, USA
| | - C-Y Charles Huang
- Department of Biomedical Engineering, College of Engineering, University of Miami, P.O. Box 248294, Coral Gables, FL, 33124-0621, USA.
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9
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Ye C, Fu Y, Zhou X, Zhou F, Zhu X, Chen Y. Identification and validation of NAD+ metabolism-related biomarkers in patients with diabetic peripheral neuropathy. Front Endocrinol (Lausanne) 2024; 15:1309917. [PMID: 38464965 PMCID: PMC10920259 DOI: 10.3389/fendo.2024.1309917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 02/05/2024] [Indexed: 03/12/2024] Open
Abstract
Background The mechanism of Nicotinamide Adenine Dinucleotide (NAD+) metabolism-related genes (NMRGs) in diabetic peripheral neuropathy (DPN) is unclear. This study aimed to find new NMRGs biomarkers in DPN. Methods DPN related datasets GSE95849 and GSE185011 were acquired from the Gene Expression Omnibus (GEO) database. 51 NMRGs were collected from a previous article. To explore NMRGs expression in DPN and control samples, differential expression analysis was completed in GSE95849 to obtain differentially expressed genes (DEGs), and the intersection of DEGs and NMRGs was regarded as DE-NMRGs. Next, a protein-protein interaction (PPI) network based on DE-NMRGs was constructed and biomarkers were screened by eight algorithms. Additionally, Gene Set Enrichment Analysis (GSEA) enrichment analysis was completed, biomarker-based column line graphs were constructed, lncRNA-miRNA-mRNA and competing endogenouse (ce) RNA networks were constructed, and drug prediction was completed. Finally, biomarkers expression validation was completed in GSE95849 and GSE185011. Results 5217 DEGs were obtained from GSE95849 and 21 overlapping genes of DEGs and NMRGs were DE-NMRGs. Functional enrichment analysis revealed that DE-NMRGs were associated with glycosyl compound metabolic process. The PPI network contained 93 protein-interaction pairs and 21 nodes, with strong interactions between NMNAT1 and NAMPT, NADK and NMNAT3, ENPP3 and NUDT12 as biomarkers based on 8 algorithms. Expression validation suggested that ENPP3 and NUDT12 were upregulated in DPN samples (P < 0.05). Moreover, an alignment diagram with good diagnostic efficacy based on ENPP3 and NUDT12 were identified was constructed. GSEA suggested that ENPP3 was enriched in Toll like receptor (TLR) pathway, NUDT12 was enriched in maturity onset diabetes of the young and insulin pathway. Furthermore, 18 potential miRNAs and 36 Transcription factors (TFs) were predicted and the miRNA-mRNA-TF networks were constructed, suggesting that ENPP3 might regulate hsa-miR-34a-5p by affecting MYNN. The ceRNA network suggested that XLOC_013024 might regulate hsa-let-7b-5p by affecting NUDT12. 15 drugs were predicted, with 8 drugs affecting NUDT12 such as resveratrol, and 13 drugs affecting ENPP3 such as troglitazone. Conclusion ENPP3 and NUDT12 might play key roles in DPN, which provides reference for further research on DPN.
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Affiliation(s)
| | | | | | | | | | - Yiheng Chen
- Department of Hand and Microsurgery, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
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10
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Ma C, Zhao J, Zhou L, Jia C, Shi Y, Li X, Jihu K, Zhang T. Targeting ENPP1 depletion may be a promising therapeutic strategy for treating oral squamous cell carcinoma via cytotoxic autophagy-related apoptosis. FASEB J 2024; 38:e23420. [PMID: 38231531 DOI: 10.1096/fj.202301835r] [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: 09/11/2023] [Revised: 12/11/2023] [Accepted: 12/27/2023] [Indexed: 01/18/2024]
Abstract
ENPP1 depletion closely related with modulation immunotherapy of several types of cancer. However, the role of ENPP1 correlation with autophagy in oral squamous cell carcinoma (OSCC) pathogenesis remain unknown. In this study, effects of ENPP1 on OSCC cells in vitro were examined by cell proliferation assay, transwell chamber assay, flow cytometry analysis and shRNA technique. Cellular key proteins related to cell autophagy and apoptosis were evaluated by Western blot and immunofluorescent staining. Moreover, functions of ENPP1 on OSCC process were observed in nude mouse model. We reported that overexpression of ENPP1 promote the growth of OSCC cell xenografts in nude mouse model. In contrast, ENPP1 downregulation significantly inhibits OSCC cancer growth and induces apoptosis both in vitro and in vivo, which are preceded by cytotoxic autophagy. ENPP1downregulation induces a robust accumulation of autophagosomes, increases LC3B-II and decreases SQSTM1/p62 in ENPP1-shRNA-treated cells and xenografts. Mechanistic studies show that ENPP1 downregulation increases PRKAA1 phosphorylation leading to ULK1 activation. AMPK-inhibition abrogates ENPP1 downregulation-induced ULK1-activation, LC3B-turnover and SQSTM1/p62-degradation while AMPK-activation potentiates it's effects. Collectively, these data uncover that ENPP1 downregulation induces autophagic cell death in OSCC cancer, which may provide a potential therapeutic target for the treatment of OSCC.
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Affiliation(s)
- Chao Ma
- Department of Stomatology, Peking Union Medical College Hospital (PUMCH), Chinese Academy of Medical Science (CAMS) and Peking Union Medical College (PUMC), Beijing, P.R. China
| | - Jizhi Zhao
- Department of Stomatology, Peking Union Medical College Hospital (PUMCH), Chinese Academy of Medical Science (CAMS) and Peking Union Medical College (PUMC), Beijing, P.R. China
| | - Lian Zhou
- Department of Stomatology, Peking Union Medical College Hospital (PUMCH), Chinese Academy of Medical Science (CAMS) and Peking Union Medical College (PUMC), Beijing, P.R. China
| | - Congwei Jia
- Department of Pathology, Peking Union Medical College Hospital (PUMCH), Chinese Academy of Medical Science (CAMS) and Peking Union Medical College (PUMC), Beijing, P.R. China
| | - Yanping Shi
- Department of Stomatology, Peking Union Medical College Hospital (PUMCH), Chinese Academy of Medical Science (CAMS) and Peking Union Medical College (PUMC), Beijing, P.R. China
| | - Xing Li
- Department of Stomatology, Peking Union Medical College Hospital (PUMCH), Chinese Academy of Medical Science (CAMS) and Peking Union Medical College (PUMC), Beijing, P.R. China
| | - Kedi Jihu
- Department of Stomatology, Peking Union Medical College Hospital (PUMCH), Chinese Academy of Medical Science (CAMS) and Peking Union Medical College (PUMC), Beijing, P.R. China
| | - Tao Zhang
- Department of Stomatology, Peking Union Medical College Hospital (PUMCH), Chinese Academy of Medical Science (CAMS) and Peking Union Medical College (PUMC), Beijing, P.R. China
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11
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Armstrong V, Backes CH, Rivera BK, Reo RM, Chaudhari BP, Wethall A, Truxal KV. An Infant with Thickened and Hyperechoic Main Pulmonary Artery. Neoreviews 2023; 24:e814-e818. [PMID: 38036445 DOI: 10.1542/neo.24-12-e814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Affiliation(s)
- Veronica Armstrong
- Center for Perinatal Research, The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH
- Ohio Perinatal Research Network (OPRN), The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH
| | - Carl H Backes
- Center for Perinatal Research, The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH
- Ohio Perinatal Research Network (OPRN), The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH
- The Heart Center, Nationwide Children's Hospital, Columbus, OH
- Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH
- Division of Neonatology, Nationwide Children's Hospital, Columbus, OH
| | - Brian K Rivera
- Center for Perinatal Research, The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH
- Ohio Perinatal Research Network (OPRN), The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH
| | | | - Bimal P Chaudhari
- Ohio Perinatal Research Network (OPRN), The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH
- Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH
- Division of Neonatology, Nationwide Children's Hospital, Columbus, OH
- Division of Genetic and Genomic Medicine, Nationwide Children's Hospital, Columbus, OH
- The Steve and Cindy Rasmussen Institute for Genomic Medicine, Nationwide Children's Hospital, Columbus, OH
| | - Ashley Wethall
- Ohio Perinatal Research Network (OPRN), The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH
- Division of Neonatology, Nationwide Children's Hospital, Columbus, OH
| | - Kristen V Truxal
- Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH
- Division of Genetic and Genomic Medicine, Nationwide Children's Hospital, Columbus, OH
- The Steve and Cindy Rasmussen Institute for Genomic Medicine, Nationwide Children's Hospital, Columbus, OH
- Center for Gene Therapy, The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH
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12
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Koike S, Keino-Masu K, Tanimoto Y, Takahashi S, Masu M. The autotaxin-LPA axis promotes membrane trafficking and secretion in yolk sac visceral endoderm cells. Biol Open 2023; 12:bio060081. [PMID: 37795611 PMCID: PMC10629499 DOI: 10.1242/bio.060081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 09/28/2023] [Indexed: 10/06/2023] Open
Abstract
Autotaxin, encoded by the Enpp2 gene, is an exoenzyme that produces lysophosphatidic acid, thereby regulating many biologic functions. We previously reported that Enpp2 mRNA was abundantly expressed in yolk sac visceral endoderm (VE) cells and that Enpp2-/- mice were lethal at embryonic day 9.5 owing to angiogenic defects in the yolk sac. Enpp2-/- mice showed lysosome fragmentation in VE cells and embryonic abnormalities including allantois malformation, neural tube defects, no axial turning, and head cavity formation. However, whether the defects in endocytic vesicle formation affect membrane trafficking in VE cells remained to be directly examined. In this study, we found that pinocytosis, transcytosis, and secretion of angiogenic factors such as vascular endothelial growth factor and transforming growth factor β1 were impaired in Enpp2-/- VE cells. Moreover, pharmacologic inhibition of membrane trafficking phenocopied the defects of Enpp2-/- mice. These findings demonstrate that Enpp2 promotes endocytosis and secretion of angiogenic factors in VE cells, thereby regulating angiogenesis/vasculogenesis and embryonic development.
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Affiliation(s)
- Seiichi Koike
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
- Department of Molecular Neurobiology, Institute of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
- Laboratory of Organelle Synthetic Biology, Graduate School of Science and Engineering for Research, University of Toyama, 3190 Gofuku, Toyama-shi, Toyama 930-855, Japan
| | - Kazuko Keino-Masu
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
- Department of Molecular Neurobiology, Institute of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
| | - Yoko Tanimoto
- Laboratory Animal Resource Center and Transborder Medical Research Center, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
| | - Satoru Takahashi
- Laboratory Animal Resource Center and Transborder Medical Research Center, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
| | - Masayuki Masu
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
- Department of Molecular Neurobiology, Institute of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
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13
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Zhang Y, Chen S, Luo L, Greenly S, Shi H, Xu JJ, Yan C. Role of cAMP in Cardiomyocyte Viability: Beneficial or Detrimental? Circ Res 2023; 133:902-923. [PMID: 37850368 PMCID: PMC10807647 DOI: 10.1161/circresaha.123.322652] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 10/10/2023] [Indexed: 10/19/2023]
Abstract
BACKGROUND 3', 5'-cyclic AMP (cAMP) regulates numerous cardiac functions. Various hormones and neurotransmitters elevate intracellular cAMP (i[cAMP]) in cardiomyocytes through activating GsPCRs (stimulatory-G-protein-coupled-receptors) and membrane-bound ACs (adenylyl cyclases). Increasing evidence has indicated that stimulating different GsPCRs and ACs exhibits distinct, even opposite effects, on cardiomyocyte viability. However, the underlying mechanisms are not fully understood. METHODS We used molecular and pharmacological approaches to investigate how different GsPCR/cAMP signaling differentially regulate cardiomyocyte viability with in vitro, ex vivo, and in vivo models. RESULTS For prodeath GsPCRs, we explored β1AR (beta1-adrenergic receptor) and H2R (histamine-H2-receptor). We found that their prodeath effects were similarly dependent on AC5 activation, ATP release to the extracellular space via PANX1 (pannexin-1) channel, and extracellular ATP (e[ATP])-mediated signaling involving in P2X7R (P2X purinoceptor 7) and CaMKII (Ca2+/calmodulin-dependent protein kinase II). PANX1 phosphorylation at Serine 206 by cAMP-dependent-PKA (protein-kinase-A) promoted PANX1 activation, which was critical in β1AR- or H2R-induced cardiomyocyte death in vitro and in vivo. β1AR or H2R was localized proximately to PANX1, which permits ATP release. For prosurvival GsPCRs, we explored adenosine-A2-receptor (A2R), CGRPR (calcitonin-gene-related-peptide-receptor), and RXFP1 (relaxin-family peptide-receptor 1). Their prosurvival effects were dependent on AC6 activation, cAMP efflux via MRP4 (multidrug resistance protein 4), extracellular cAMP metabolism to adenosine (e[cAMP]-to-e[ADO]), and e[ADO]-mediated signaling. A2R, CGRPR, or RXFP1 was localized proximately to MRP4, which enables cAMP efflux. Interestingly, exogenously increasing e[cAMP] levels by membrane-impermeable cAMP protected against cardiomyocyte death in vitro and in ex vivo and in vivo mouse hearts with ischemia-reperfusion injuries. CONCLUSIONS Our findings indicate that the functional diversity of different GsPCRs in cardiomyocyte viability could be achieved by their ability to form unique signaling complexes (signalosomes) that determine the fate of cAMP: either stimulate ATP release by activating PKA or directly efflux to be e[cAMP].
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Affiliation(s)
- Yishuai Zhang
- Aab Cardiovascular Research Institute, Department of Medicine
| | - Si Chen
- Aab Cardiovascular Research Institute, Department of Medicine
| | - Lingfeng Luo
- Aab Cardiovascular Research Institute, Department of Medicine
- Department of Biochemistry and Biophysics
| | - Sarah Greenly
- Aab Cardiovascular Research Institute, Department of Medicine
| | - Hangchuan Shi
- Department of Clinical and Translational Research
- Department of Public Health Sciences; University of Rochester School of Medicine and Dentistry, Rochester, NY 14642
| | | | - Chen Yan
- Aab Cardiovascular Research Institute, Department of Medicine
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14
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Jiang S, Yang H, Li M. Emerging Roles of Lysophosphatidic Acid in Macrophages and Inflammatory Diseases. Int J Mol Sci 2023; 24:12524. [PMID: 37569902 PMCID: PMC10419859 DOI: 10.3390/ijms241512524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/02/2023] [Accepted: 08/04/2023] [Indexed: 08/13/2023] Open
Abstract
Lysophosphatidic acid (LPA) is a bioactive phospholipid that regulates physiological and pathological processes in numerous cell biological functions, including cell migration, apoptosis, and proliferation. Macrophages are found in most human tissues and have multiple physiological and pathological functions. There is growing evidence that LPA signaling plays a significant role in the physiological function of macrophages and accelerates the development of diseases caused by macrophage dysfunction and inflammation, such as inflammation-related diseases, cancer, atherosclerosis, and fibrosis. In this review, we summarize the roles of LPA in macrophages, analyze numerous macrophage- and inflammation-associated diseases triggered by LPA, and discuss LPA-targeting therapeutic strategies.
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Affiliation(s)
- Shufan Jiang
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, China;
- Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Huili Yang
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, China;
| | - Mingqing Li
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, China;
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, China
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15
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Gao Z, Wang Q, Guo K, Li X, Huang Y. Enpp1 deficiency caused chondrocyte apoptosis by inhibiting AMPK signaling pathway. J Orthop Surg Res 2023; 18:462. [PMID: 37370114 DOI: 10.1186/s13018-023-03923-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 06/11/2023] [Indexed: 06/29/2023] Open
Abstract
OBJECTIVE AND BACKGROUND The deficiency of ectonucleotide pyrophosphatase/phosphodiesterase 1 (Enpp1) causes the phenotype similar to knee osteoarthritis (OA). However, the molecular mechanism is poorly understood. METHOD The global deletion of Enpp1 (Enpp1-/-) mice was created to analyze the role of Enpp1 in the progress of knee OA. The apoptosis, proliferation and chondrogenic differentiation ability of chondrocytes from wild-type (WT) and Enpp1-/- joints were compared. According to the results of high-throughput quantitative molecular measurements, the proteins of chondrocytes from WT and Enpp1-/- mice were used to explore the mechanism of Enpp1 deficiency-associated knee OA. RESULT In Enpp1-/- knee joints, we found significant chondrocyte apoptosis and proteomic results showed that abnormal expression of AMP-activated protein kinase (AMPK) signaling pathway may contribute to this phenotype. In primary chondrocyte cultures in vitro, Enpp1 deletion dramatically enhancing chondrocyte apoptosis. Meanwhile, we found Enpp1 deletion inhibits the phosphorylation of AMPK (P-AMPK). We also found that decreased level of P-AMPK and chondrocyte apoptosis, which are caused by Enpp1 deficiency, can be reversed by Acadesine (AICAR), the activator of AMPK. CONCLUSION Consequently, Enpp1 deficiency plays an essential role in knee OA by regulating AMPK signaling pathway.
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Affiliation(s)
- Zhiqiang Gao
- Department of Spine Surgery, Shanghai East Hospital, School of Medicine, Tongji University, 150 Jimo Rd, Shanghai, 200092, China
| | - Qiang Wang
- Department of Spine Surgery, Shanghai East Hospital, School of Medicine, Tongji University, 150 Jimo Rd, Shanghai, 200092, China
| | - Kai Guo
- Department of Spine Surgery, Shanghai East Hospital, School of Medicine, Tongji University, 150 Jimo Rd, Shanghai, 200092, China
| | - Xinhua Li
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, People's Republic of China.
| | - Yufeng Huang
- Department of Spine Surgery, Shanghai East Hospital, School of Medicine, Tongji University, 150 Jimo Rd, Shanghai, 200092, China.
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16
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Mathias LS, Herman-de-Sousa C, Cury SS, Nogueira CR, Correia-de-Sá P, de Oliveira M. RNA-seq reveals that anti-obesity irisin and triiodothyronine (T3) hormones differentially affect the purinergic signaling transcriptomics in differentiated human adipocytes. Biochim Biophys Acta Mol Cell Biol Lipids 2023; 1868:159276. [PMID: 36642213 DOI: 10.1016/j.bbalip.2022.159276] [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: 07/14/2022] [Revised: 12/05/2022] [Accepted: 12/15/2022] [Indexed: 01/15/2023]
Abstract
The anti-obesity thyroid hormone, triiodothyronine (T3), and irisin, an exercise- and/or cold-induced myokine, stimulate thermogenesis and energy consumption while decreasing lipid accumulation. The involvement of ATP signaling in adipocyte cell function and obesity has attracted increasing attention, but the crosstalk between the purinergic signaling cascade and anti-obesity hormones lacks experimental evidence. In this study, we investigated the effects of T3 and irisin in the transcriptomics of membrane-bound purinoceptors, ectonucleotidase enzymes and nucleoside transporters participating in the purinergic signaling in cultured human adipocytes. The RNA-seq analysis revealed that differentiated adipocytes express high amounts of ADORA1, P2RY11, P2RY12, and P2RX6 gene transcripts, along with abundant levels of transcriptional products encoding to purine metabolizing enzymes (ENPP2, ENPP1, NT5E, ADA and ADK) and transporters (SLC29A1, SCL29A2). The transcriptomics of purinergic signaling markers changed in parallel to the upsurge of "browning" adipocyte markers, like UCP1 and P2RX5, after treatment with T3 and irisin. Upregulation of ADORA1, ADORA2A and P2RX4 gene transcription was obtained with irisin, whereas T3 preferentially upregulated NT5E, SLC29A2 and P2RY11 genes. Irisin was more powerful than T3 towards inhibition of the leptin gene transcription, the SCL29A1 gene encoding for the ENT1 transporter, the E-NPP2 (autotaxin) gene, and genes that encode for two ADP-sensitive P2Y receptors, P2RY1 and P2RY12. These findings indicate that anti-obesity irisin and T3 hormones differentially affect the purinergic signaling transcriptomics, which might point towards new directions for the treatment of obesity and related metabolic disorders that are worth to be pursued in future functional studies.
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Affiliation(s)
- Lucas Solla Mathias
- Department of Internal Clinic, Botucatu Medical School, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Carina Herman-de-Sousa
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas de Abel Salazar, Universidade do Porto (ICBAS-UP), Porto, Portugal
| | - Sarah Santiloni Cury
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Célia Regina Nogueira
- Department of Internal Clinic, Botucatu Medical School, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Paulo Correia-de-Sá
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas de Abel Salazar, Universidade do Porto (ICBAS-UP), Porto, Portugal; Center for Drug Discovery and Innovative Medicines (MedInUP), ICBAS-UP, Porto, Portugal.
| | - Miriane de Oliveira
- Department of Internal Clinic, Botucatu Medical School, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
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17
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Stylianaki EA, Magkrioti C, Ladopoulou EM, Papavasileiou KD, Lagarias P, Melagraki G, Samiotaki M, Panayotou G, Dedos SG, Afantitis A, Aidinis V, Matralis AN. "Hit" to lead optimization and chemoinformatic studies for a new series of Autotaxin inhibitors. Eur J Med Chem 2023; 249:115130. [PMID: 36702053 DOI: 10.1016/j.ejmech.2023.115130] [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: 04/29/2022] [Revised: 01/09/2023] [Accepted: 01/15/2023] [Indexed: 01/25/2023]
Abstract
Robust experimental evidence has highlighted the role of Autotaxin (ATX)/Lysophosphatidic acid (LPA) axis not only in the pathogenesis of chronic inflammatory conditions and especially in fibroproliferative diseases but also in several types of cancer. As a result, different series of substrate-, lipid-based and small-molecule ATX inhibitors have been identified thus far by both academia and pharma. The "crowning achievement" of these drug discovery campaigns was the development and entry of the first-in-class ATX inhibitor (ziritaxestat, GLPG-1690) in advanced clinical trials against idiopathic pulmonary fibrosis. Herein, the potency optimization efforts of a new series of Autotaxin inhibitors, namely 2-substituted-2,6-dihydro-4H-thieno[3,4-c]pyrazol-1-substituted amide, is described using a previously identified novel chemical scaffold as a "hit". The mode of inhibition of the most promising ATX inhibitors was investigated, while their cellular activity, aqueous solubility and cytotoxicity were evaluated. Our pharmacological results were corroborated by chemoinformatic tools (molecular docking and molecular dynamics simulations) deployed, to provide insight into the binding mechanism of the synthesized inhibitors to ATX.
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Affiliation(s)
- Elli-Anna Stylianaki
- Bioinnovation Institute, Biomedical Sciences Research Center "Alexander Fleming, Athens, Greece
| | - Christiana Magkrioti
- Bioinnovation Institute, Biomedical Sciences Research Center "Alexander Fleming, Athens, Greece
| | - Eleni M Ladopoulou
- Bioinnovation Institute, Biomedical Sciences Research Center "Alexander Fleming, Athens, Greece; Department of Biology, National and Kapodistrian University of Athens, Zografou, Athens, Greece
| | | | | | - Georgia Melagraki
- Division of Physical Sciences and Applications, Hellenic Military Academy, Vari, Greece
| | - Martina Samiotaki
- Bioinnovation Institute, Biomedical Sciences Research Center "Alexander Fleming, Athens, Greece
| | - George Panayotou
- Bioinnovation Institute, Biomedical Sciences Research Center "Alexander Fleming, Athens, Greece
| | - Skarlatos G Dedos
- Department of Biology, National and Kapodistrian University of Athens, Zografou, Athens, Greece
| | - Antreas Afantitis
- NovaMechanics Ltd, Larnaca, Cyprus; NovaMechanics MIKE, Piraeus, Greece.
| | - Vassilis Aidinis
- Bioinnovation Institute, Biomedical Sciences Research Center "Alexander Fleming, Athens, Greece.
| | - Alexios N Matralis
- Bioinnovation Institute, Biomedical Sciences Research Center "Alexander Fleming, Athens, Greece.
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18
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Vít O, Petrák J. Autotaxin and Lysophosphatidic Acid Signalling: the Pleiotropic Regulatory Network in Cancer. Folia Biol (Praha) 2023; 69:149-162. [PMID: 38583176 DOI: 10.14712/fb2023069050149] [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] [Indexed: 04/09/2024]
Abstract
Autotaxin, also known as ecto-nucleotide pyrophosphatase/phosphodiesterase family member 2, is a secreted glycoprotein that plays multiple roles in human physiology and cancer pathology. This protein, by converting lysophosphatidylcholine into lysophosphatidic acid, initiates a complex signalling cascade with significant biological implications. The article outlines the autotaxin gene and protein structure, expression regulation and physiological functions, but focuses mainly on the role of autotaxin in cancer development and progression. Autotaxin and lysophosphatidic acid signalling influence several aspects of cancer, including cell proliferation, migration, metastasis, therapy resistance, and interactions with the immune system. The potential of autotaxin as a diagnostic biomarker and promising drug target is also examined.
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Affiliation(s)
- Ondřej Vít
- BIOCEV, First Faculty of Medicine, Charles University, Vestec, Czech Republic.
| | - Jiří Petrák
- BIOCEV, First Faculty of Medicine, Charles University, Vestec, Czech Republic
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19
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Hekkelman ML, de Vries I, Joosten RP, Perrakis A. AlphaFill: enriching AlphaFold models with ligands and cofactors. Nat Methods 2023; 20:205-213. [PMID: 36424442 PMCID: PMC9911346 DOI: 10.1038/s41592-022-01685-y] [Citation(s) in RCA: 132] [Impact Index Per Article: 132.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 10/18/2022] [Indexed: 11/27/2022]
Abstract
Artificial intelligence-based protein structure prediction approaches have had a transformative effect on biomolecular sciences. The predicted protein models in the AlphaFold protein structure database, however, all lack coordinates for small molecules, essential for molecular structure or function: hemoglobin lacks bound heme; zinc-finger motifs lack zinc ions essential for structural integrity and metalloproteases lack metal ions needed for catalysis. Ligands important for biological function are absent too; no ADP or ATP is bound to any of the ATPases or kinases. Here we present AlphaFill, an algorithm that uses sequence and structure similarity to 'transplant' such 'missing' small molecules and ions from experimentally determined structures to predicted protein models. The algorithm was successfully validated against experimental structures. A total of 12,029,789 transplants were performed on 995,411 AlphaFold models and are available together with associated validation metrics in the alphafill.eu databank, a resource to help scientists make new hypotheses and design targeted experiments.
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Affiliation(s)
- Maarten L. Hekkelman
- grid.430814.a0000 0001 0674 1393Oncode Institute and Department of Biochemistry, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Ida de Vries
- grid.430814.a0000 0001 0674 1393Oncode Institute and Department of Biochemistry, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Robbie P. Joosten
- grid.430814.a0000 0001 0674 1393Oncode Institute and Department of Biochemistry, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Anastassis Perrakis
- Oncode Institute and Department of Biochemistry, The Netherlands Cancer Institute, Amsterdam, the Netherlands.
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20
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Couto AR, Parreira B, Power DM, Pinheiro L, Madruga Dias J, Novofastovski I, Eshed I, Sarzi-Puttini P, Pappone N, Atzeni F, Verlaan JJ, Kuperus J, Bieber A, Ambrosino P, Kiefer D, Khan MA, Mader R, Baraliakos X, Bruges-Armas J. Evidence for a genetic contribution to the ossification of spinal ligaments in Ossification of Posterior Longitudinal Ligament and Diffuse idiopathic skeletal hyperostosis: A narrative review. Front Genet 2022; 13:987867. [PMID: 36276944 PMCID: PMC9586552 DOI: 10.3389/fgene.2022.987867] [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: 07/06/2022] [Accepted: 09/16/2022] [Indexed: 11/25/2022] Open
Abstract
Diffuse Idiopathic Skeletal Hyperostosis (DISH) and Ossification of the Posterior Longitudinal Ligament (OPLL) are common disorders characterized by the ossification of spinal ligaments. The cause for this ossification is currently unknown but a genetic contribution has been hypothesized. Over the last decade, many studies on the genetics of ectopic calcification disorders have been performed, mainly on OPLL. Most of these studies were based on linkage analysis and case control association studies. Animal models have provided some clues but so far, the involvement of the identified genes has not been confirmed in human cases. In the last few years, many common variants in several genes have been associated with OPLL. However, these associations have not been at definitive levels of significance and evidence of functional significance is generally modest. The current evidence suggests a multifactorial aetiopathogenesis for DISH and OPLL with a subset of cases showing a stronger genetic component.
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Affiliation(s)
- Ana Rita Couto
- Hospital de Santo Espirito da Ilha Terceira EPER, SEEBMO, Angra do Heroísmo, Portugal
- CHRC Campus Nova Medical School, Lisboa, Portugal
| | - Bruna Parreira
- Hospital de Santo Espirito da Ilha Terceira EPER, SEEBMO, Angra do Heroísmo, Portugal
- CHRC Campus Nova Medical School, Lisboa, Portugal
| | - Deborah M. Power
- University of Algarve, Center of Marine Science (CCMAR), Faro, Portugal
| | - Luís Pinheiro
- Hospital de Santo Espirito da Ilha Terceira EPER, Orthopedics Service, Angra do Heroísmo, Portugal
| | - João Madruga Dias
- Centro Hospitalar Do Medio Tejo EPE Unidade de Torres Novas, Rheumatology Department, Santarém, Portugal
- CHRC Campus Nova Medical School, EpiDoc Research Unit, CEDOC, Lisboa, Portugal
| | | | | | | | - Nicola Pappone
- Istituti Clinici Scientifici Maugeri IRCCS, Neuromotor Rehabilitation Unit of Telese Terme Institute, Pavia, Italy
| | - Fabiola Atzeni
- Universita Degli Studi di Messina, Rheumatology Unit, Clinical and Experimental Medicine, Messina, Italy
| | - Jorrit-Jan Verlaan
- University Medical Centre, Department of Orthopedics, Utrecht, Netherlands
| | | | - Amir Bieber
- Emek Medical Center, Rheumatology Unit, Afula, Israel
| | - Pasquale Ambrosino
- Istituti Clinici Scientifici Maugeri IRCCS, Cardiac Rehabilitation Unit of Telese Terme Institute, Pavia, Italy
| | - David Kiefer
- Ruhr-Universitat Bochum, Rheumazentrum Ruhrgebiet, Bochum, Germany
| | | | - Reuven Mader
- Emek Medical Center, Rheumatology Unit, Afula, Israel
- Rappaport Faculty of Medicine, Technion, Haifa, Israel
- Ruhr University Bochum, Rheumazentrum Ruhrgebiet, Herne, Germany
| | | | - Jácome Bruges-Armas
- Hospital de Santo Espirito da Ilha Terceira EPER, SEEBMO, Angra do Heroísmo, Portugal
- CHRC Campus Nova Medical School, Lisboa, Portugal
- *Correspondence: Jácome Bruges-Armas,
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Wang S, Chen J, Guo XZ. KAI1/CD82 gene and autotaxin-lysophosphatidic acid axis in gastrointestinal cancers. World J Gastrointest Oncol 2022; 14:1388-1405. [PMID: 36160748 PMCID: PMC9412925 DOI: 10.4251/wjgo.v14.i8.1388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 01/06/2022] [Accepted: 07/22/2022] [Indexed: 02/05/2023] Open
Abstract
The KAI1/CD82 gene inhibits the metastasis of most tumors and is remarkably correlated with tumor invasion and prognosis. Cell metabolism dysregulation is an important cause of tumor occurrence, development, and metastasis. As one of the important characteristics of tumors, cell metabolism dysregulation is attracting increasing research attention. Phospholipids are an indispensable substance in the metabolism in various tumor cells. Phospholipid metabolites have become important cell signaling molecules. The pathological role of lysophosphatidic acid (LPA) in tumors was identified in the early 1990s. Currently, LPA inhibitors have entered clinical trials but are not yet used in clinical treatment. Autotaxin (ATX) has lysophospholipase D (lysoPLD) activity and can regulate LPA levels in vivo. The LPA receptor family and ATX/lysoPLD are abnormally expressed in various gastrointestinal tumors. According to our recent pre-experimental results, KAI1/CD82 might inhibit the migration and metastasis of cancer cells by regulating the ATX-LPA axis. However, no relevant research has been reported. Clarifying the mechanism of ATX-LPA in the inhibition of cancer metastasis by KAI1/CD82 will provide an important theoretical basis for targeted cancer therapy. In this paper, the molecular compositions of the KAI1/CD82 gene and the ATX-LPA axis, their physiological functions in tumors, and their roles in gastrointestinal cancers and target therapy are reviewed.
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Affiliation(s)
- Shuo Wang
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang 110840, Liaoning Province, China
| | - Jiang Chen
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang 110840, Liaoning Province, China
| | - Xiao-Zhong Guo
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang 110840, Liaoning Province, China
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22
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Arif M, Shabir G, Ejaz SA, Saeed A, Khan SU, Lecka J, Sévigny J, Iqbal J. Diacylhydrazine Derivatives of 2-(5-(Pyridin-3-yl)-2H-Tetrazol-2-yl)Acetohydrazide and 2-(5-(Pyridin-4-yl)-2H-Tetrazol-2-yl)Acetohydrazide as Potential Inhibitors of Nucleotide Pyrophosphatase. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2022. [DOI: 10.1134/s1068162022050053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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NAD-catabolizing ectoenzymes of Schistosoma mansoni. Biochem J 2022; 479:1165-1180. [PMID: 35593185 DOI: 10.1042/bcj20210784] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 05/18/2022] [Accepted: 05/20/2022] [Indexed: 11/17/2022]
Abstract
Infection with schistosomes (blood flukes) can result in the debilitating disease schistosomiasis. These parasites survive in their host for many years, and we hypothesize that proteins on their tegumental surface, interacting with the host microenvironment, facilitate longevity. One such ectoenzyme - the nucleotide pyrophosphatase/phosphodiesterase SmNPP5 can cleave ADP (to prevent platelet aggregation) and NAD (likely preventing Treg apoptosis). A second tegumental ectoenzyme, the glycohydrolase SmNACE, also catabolizes NAD. Here, we undertake a comparative biochemical characterization of these parasite ectoenzymes. Both are GPI-linked and exhibit different optimal pH ranges. While SmNPP5 requires divalent cations, SmNACE does not. The Km values of the two enzymes for NAD at physiological pH differ: SmNPP5, Km=340µM±44; SmNACE, Km=49µM±4. NAD cleavage by each enzyme yields different products. SmNPP5 cleaves NAD to form nicotinamide mononucleotide (NMN) and AMP, whereas SmNACE cleaves NAD to generate nicotinamide (NAM) and adenosine diphosphate ribose (ADPR). Each enzyme can process the other's reaction product. Thus, SmNACE cleaves NMN (to yield NAM and ribose phosphate) and SmNPP5 cleaves ADPR (yielding AMP and ribose phosphate). Metabolomic analysis of plasma containing adult worms supports the idea that these cleavage pathways are active in vivo. We hypothesize that a primary function of SmNPP5 is to cleave NAD to control host immune cell function and a primary function of SmNACE is to cleave NMN to generate the vital nutrient nicotinamide (vitamin B3) for convenient uptake by the worms. Chemical inhibition of one or both ectoenzymes could upset worm metabolism and control schistosome infection.
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Nikonorova IA, Wang J, Cope AL, Tilton PE, Power KM, Walsh JD, Akella JS, Krauchunas AR, Shah P, Barr MM. Isolation, profiling, and tracking of extracellular vesicle cargo in Caenorhabditis elegans. Curr Biol 2022; 32:1924-1936.e6. [PMID: 35334227 PMCID: PMC9491618 DOI: 10.1016/j.cub.2022.03.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 01/26/2022] [Accepted: 03/01/2022] [Indexed: 01/04/2023]
Abstract
Extracellular vesicles (EVs) may mediate intercellular communication by carrying protein and RNA cargo. The composition, biology, and roles of EVs in physiology and pathology have been primarily studied in the context of biofluids and in cultured mammalian cells. The experimental tractability of C. elegans makes for a powerful in vivo animal system to identify and study EV cargo from its cellular source. We developed an innovative method to label, track, and profile EVs using genetically encoded, fluorescent-tagged EV cargo and conducted a large-scale isolation and proteomic profiling. Nucleic acid binding proteins (∼200) are overrepresented in our dataset. By integrating our EV proteomic dataset with single-cell transcriptomic data, we identified and validated ciliary EV cargo: CD9-like tetraspanin (TSP-6), ectonucleotide pyrophosphatase/phosphodiesterase (ENPP-1), minichromosome maintenance protein (MCM-3), and double-stranded RNA transporter SID-2. C. elegans EVs also harbor RNA, suggesting that EVs may play a role in extracellular RNA-based communication.
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Affiliation(s)
- Inna A Nikonorova
- Rutgers, The State University of New Jersey, Department of Genetics and Human Genetics Institute of New Jersey Piscataway, 145 Bevier Road, Piscataway, NJ 08854, USA.
| | - Juan Wang
- Rutgers, The State University of New Jersey, Department of Genetics and Human Genetics Institute of New Jersey Piscataway, 145 Bevier Road, Piscataway, NJ 08854, USA
| | - Alexander L Cope
- Rutgers, The State University of New Jersey, Department of Genetics and Human Genetics Institute of New Jersey Piscataway, 145 Bevier Road, Piscataway, NJ 08854, USA
| | - Peter E Tilton
- Rutgers, The State University of New Jersey, Department of Genetics and Human Genetics Institute of New Jersey Piscataway, 145 Bevier Road, Piscataway, NJ 08854, USA
| | - Kaiden M Power
- Rutgers, The State University of New Jersey, Department of Genetics and Human Genetics Institute of New Jersey Piscataway, 145 Bevier Road, Piscataway, NJ 08854, USA
| | - Jonathon D Walsh
- Rutgers, The State University of New Jersey, Department of Genetics and Human Genetics Institute of New Jersey Piscataway, 145 Bevier Road, Piscataway, NJ 08854, USA
| | - Jyothi S Akella
- Rutgers, The State University of New Jersey, Department of Genetics and Human Genetics Institute of New Jersey Piscataway, 145 Bevier Road, Piscataway, NJ 08854, USA
| | - Amber R Krauchunas
- University of Delaware, Department of Biological Sciences, 105 The Green, Newark, DE 19716, USA
| | - Premal Shah
- Rutgers, The State University of New Jersey, Department of Genetics and Human Genetics Institute of New Jersey Piscataway, 145 Bevier Road, Piscataway, NJ 08854, USA
| | - Maureen M Barr
- Rutgers, The State University of New Jersey, Department of Genetics and Human Genetics Institute of New Jersey Piscataway, 145 Bevier Road, Piscataway, NJ 08854, USA.
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Cao H, Chung ACK, Ming X, Mao D, Lee HM, Cao X, Rutter GA, Chan JCN, Tian XY, Kong APS. Autotaxin signaling facilitates β cell dedifferentiation and dysfunction induced by Sirtuin 3 deficiency. Mol Metab 2022; 60:101493. [PMID: 35398277 PMCID: PMC9048116 DOI: 10.1016/j.molmet.2022.101493] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/11/2022] [Accepted: 04/01/2022] [Indexed: 12/03/2022] Open
Abstract
Objective β cell dedifferentiation may underlie the reversible reduction in pancreatic β cell mass and function in type 2 diabetes (T2D). We previously reported that β cell-specific Sirt3 knockout (Sirt3f/f;Cre/+) mice developed impaired glucose tolerance and glucose-stimulated insulin secretion after feeding with high fat diet (HFD). RNA sequencing showed that Sirt3-deficient islets had enhanced expression of Enpp2 (Autotaxin, or ATX), a secreted lysophospholipase which produces lysophosphatidic acid (LPA). Here, we hypothesized that activation of the ATX/LPA pathway contributed to pancreatic β cell dedifferentiation in Sirt3-deficient β cells. Methods We applied LPA, or lysophosphatidylcoline (LPC), the substrate of ATX for producing LPA, to MIN6 cell line and mouse islets with altered Sirt3 expression to investigate the effect of LPA on β cell dedifferentiation and its underlying mechanisms. To examine the pathological effects of ATX/LPA pathway, we injected the β cell selective adeno-associated virus (AAV-Atx-shRNA) or negative control AAV-scramble in Sirt3f/f and Sirt3f/f;Cre/+ mice followed by 6-week of HFD feeding. Results In Sirt3f/f;Cre/+ mouse islets and Sirt3 knockdown MIN6 cells, ATX upregulation led to increased LPC with increased production of LPA. The latter not only induced reversible dedifferentiation in MIN6 cells and mouse islets, but also reduced glucose-stimulated insulin secretion from islets. In MIN6 cells, LPA induced phosphorylation of JNK/p38 MAPK which was accompanied by β cell dedifferentiation. The latter was suppressed by inhibitors of LPA receptor, JNK, and p38 MAPK. Importantly, inhibiting ATX in vivo improved insulin secretion and reduced β cell dedifferentiation in HFD-fed Sirt3f/f;Cre/+ mice. Conclusions Sirt3 prevents β cell dedifferentiation by inhibiting ATX expression and upregulation of LPA. These findings support a long-range signaling effect of Sirt3 which modulates the ATX-LPA pathway to reverse β cell dysfunction associated with glucolipotoxicity. Sirtuin 3 (Sirt3) deletion upregulates autotaxin/ATX, the enzyme converting lysophosphatidylcholine (LPC) to lysophosphatidic acid (LPA). LPA induces dedifferentiation in β cell line and primary islet through LPA receptor-MAPK p38 and JNK signaling. ATX knockdown ameliorates LPA induced β cell dedifferentiation and improves insulin secretion in obese Sirt3 knockout mice.
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Affiliation(s)
- Huanyi Cao
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Arthur C K Chung
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Xing Ming
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Dandan Mao
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Heung Man Lee
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China; Hong Kong Institute of Diabetes and Obesity, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Xiaoyun Cao
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Guy A Rutter
- CR-CHUM and Université de Montréal, Montréal, QC, Canada; Section of Cell Biology and Functional Genomics, Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK; Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Juliana C N Chan
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China; Hong Kong Institute of Diabetes and Obesity, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Xiao Yu Tian
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China.
| | - Alice P S Kong
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China; Hong Kong Institute of Diabetes and Obesity, The Chinese University of Hong Kong, Hong Kong SAR, China.
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Influence of the autotaxin-lysophosphatidic acid axis on cellular function and cytokine expression in different breast cancer cell lines. Sci Rep 2022; 12:5565. [PMID: 35365723 PMCID: PMC8975816 DOI: 10.1038/s41598-022-09565-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Accepted: 03/23/2022] [Indexed: 11/08/2022] Open
Abstract
Previous studies provide high evidence that autotaxin (ATX)-lysophosphatidic acid (LPA) signaling through LPA receptors (LPAR) plays an important role in breast cancer initiation, progression, and invasion. However, its specific role in different breast cancer cell lines remains to be fully elucidated to offer improvements in targeted therapies. Within this study, we analyzed in vitro the effect of LPA 18:1 and the LPAR1, LPAR3 (and LPAR2) inhibitor Ki16425 on cellular functions of different human breast cancer cell lines (MDA-MB-231, MDA-MB-468, MCF-7, BT-474, SKBR-3) and the human breast epithelial cell line MCF-10A, as well as Interleukin 8 (IL-8), Interleukin 6 (IL-6) and tumor necrosis factor (TNF)-alpha cytokine secretion after LPA-incubation. ATX-LPA signaling showed a dose-dependent stimulatory effect especially on cellular functions of triple-negative and luminal A breast cancer cell lines. Ki16425 inhibited the LPA-induced stimulation of triple-negative breast cancer and luminal A cell lines in variable intensity depending on the functional assay, indicating the interplay of different LPAR in those assays. IL-8, IL-6 and TNF-alpha secretion was induced by LPA in MDA-MB-468 cells. This study provides further evidence about the role of the ATX-LPA axis in different breast cancer cell lines and might contribute to identify subtypes suitable for a future targeted therapy of the ATX-LPA axis.
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Bano S, Al-Rashida M, Alharthy RD, Khan IA, Iqbal J. Nucleotide pyrophosphatase/phosphodiesterases (NPPs) including NPP1 and NPP2/ ATX as important drug targets: A patent review (2015-2020). Expert Opin Ther Pat 2022; 32:743-751. [PMID: 35333684 DOI: 10.1080/13543776.2022.2058874] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
INTRODUCTION Nucleoside triphosphate diphosphohydrolases (NTPDases), alkaline phosphatases (APs), and ecto-nucleotide pyrophosphatases/phosphodiesterases (NPPs) are nucleotidases found on the cell surface. It is a promising therapeutic target for a range of disorders, including fibrosis, tumour metastasis, pruritus, inflammation, multiple sclerosis, and autoimmune diseases. As a result, therapeutic intervention including selective inhibitors of NPPs is required. AREA COVERED Many chemical substances, including pyrazole, pyridine and bicyclic compounds have demonstrated promising inhibitory potential for ecto-nucleotide pyrophosphatase/phosphodiesterases. The chemistry and clinical applications of NPPs inhibitors patented between 2015 and 2020 are discussed in this review. EXPERT OPINION : In recent years, there has been a lot of effort put into finding effective and selective inhibitors of NPPs. Despite the fact that a variety of synthetic inhibitors have been created, only a few investigations on their in vivo activity have been published. In addition to IOA-289 which has passed Phase Ia clinical trials; potent ATX inhibitor compounds such as BLD-0409, IPF and BBT-877 have been placed in phase I clinical studies. Some of the most promising ATX inhibitors in recent years are closely related analogs of previously known inhibitors, such as PF-8380. Knowledge of the structure activity relationship of such promising inhibitors can potentially translate into the discovery of more potent and effective inhibitors of NPP with a variety of structural characteristics and favourable therapeutic activities.
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Affiliation(s)
- Sehrish Bano
- Center for Advanced Drug Research, COMSATS Institute of Information Technology, Abbottabad 22060, Pakistan
| | - Mariya Al-Rashida
- Department of Chemistry, Forman Christian College (A Chartered University), Ferozepur Road, Lahore 54600, Pakistan
| | - Rima D Alharthy
- Department of Chemistry, Science and Arts College, Rabigh Campus, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Imtiaz Ali Khan
- Department of Entomology, Agricultural University, Peshawar 25130, Khyber Pakhtunkhwa, Pakistan
| | - Jamshed Iqbal
- Center for Advanced Drug Research, COMSATS Institute of Information Technology, Abbottabad 22060, Pakistan
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Structure and function of the Ecto-Nucleotide Pyrophosphatase-Phosphodiesterase (ENPP) family: tidying up diversity. J Biol Chem 2021; 298:101526. [PMID: 34958798 PMCID: PMC8808174 DOI: 10.1016/j.jbc.2021.101526] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 12/15/2021] [Accepted: 12/20/2021] [Indexed: 12/11/2022] Open
Abstract
Ecto-nucleotide pyrophosphatase/phosphodiesterase (ENPP) family members (ENPP1–7) have been implicated in key biological and pathophysiological processes, including nucleotide and phospholipid signaling, bone mineralization, fibrotic diseases, and tumor-associated immune cell infiltration. ENPPs are single-pass transmembrane ecto-enzymes, with notable exceptions of ENPP2 (Autotaxin) and ENNP6, which are secreted and glycosylphosphatidylinositol (GPI)-anchored, respectively. ENNP1 and ENNP2 are the best characterized and functionally the most interesting members. Here, we review the structural features of ENPP1–7 to understand how they evolved to accommodate specific substrates and mediate different biological activities. ENPPs are defined by a conserved phosphodiesterase (PDE) domain. In ENPP1–3, the PDE domain is flanked by two N-terminal somatomedin B-like domains and a C-terminal inactive nuclease domain that confers structural stability, whereas ENPP4–7 only possess the PDE domain. Structural differences in the substrate-binding site endow each protein with unique characteristics. Thus, ENPP1, ENPP3, ENPP4, and ENPP5 hydrolyze nucleotides, whereas ENPP2, ENPP6, and ENNP7 evolved as phospholipases through adaptions in the catalytic domain. These adaptations explain the different biological and pathophysiological functions of individual members. Understanding the ENPP members as a whole advances our insights into common mechanisms, highlights their functional diversity, and helps to explore new biological roles.
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Gleizes M, Fonta C, Nowak LG. Inhibitors of ectonucleotidases have paradoxical effects on synaptic transmission in the mouse cortex. J Neurochem 2021; 160:305-324. [PMID: 34905223 DOI: 10.1111/jnc.15558] [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: 06/23/2021] [Revised: 12/08/2021] [Accepted: 12/09/2021] [Indexed: 11/30/2022]
Abstract
Extracellular adenosine plays prominent roles in the brain in both physiological and pathological conditions. Adenosine can be generated following the degradation of extracellular nucleotides by various types of ectonucleotidases. Several ectonucleotidases are present in the brain parenchyma: ecto-nucleotide triphosphate diphosphohydrolases 1 and 3 (NTPDase 1 and 3), ecto-nucleotide pyrophosphatase/phosphodiesterase 1 (NPP 1), ecto-5'-nucleotidase (eN), and tissue non-specific alkaline phosphatase (TNAP, whose function in the brain has received little attention). Here we examined, in a living brain preparation, the role of these ectonucleotidases in generating extracellular adenosine. We recorded local field potentials evoked by electrical stimulation of the lateral olfactory tract in the mouse piriform cortex in vitro. Variations in adenosine level were evaluated by measuring changes in presynaptic inhibition generated by adenosine A1 receptors (A1Rs) activation. A1R-mediated presynaptic inhibition was present endogenously and was enhanced by bath-applied AMP and ATP. We hypothesized that inhibiting ectonucleotidases would reduce extracellular adenosine concentration, which would result in a weakening of presynaptic inhibition. However, inhibiting TNAP had no effect in controlling endogenous adenosine action and no effect on presynaptic inhibition induced by bath-applied AMP. Furthermore, contrary to our expectation, inhibiting TNAP reinforced, rather than reduced, presynaptic inhibition induced by bath-applied ATP. Similarly, inhibition of NTPDase 1 and 3, NPP1 and eN induced stronger, rather than weaker, presynaptic inhibition, both in endogenous condition and with bath-applied ATP and AMP. Consequently, attempts to suppress the functions of extracellular adenosine by blocking its extracellular synthesis in living brain tissue could have functional impacts opposite to those anticipated.
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Affiliation(s)
- Marie Gleizes
- CerCo, Université Toulouse 3, CNRS, CHU Purpan, Pavillon Baudot, BP 25202, 31052, Toulouse Cedex
| | - Caroline Fonta
- CerCo, Université Toulouse 3, CNRS, CHU Purpan, Pavillon Baudot, BP 25202, 31052, Toulouse Cedex
| | - Lionel G Nowak
- CerCo, Université Toulouse 3, CNRS, CHU Purpan, Pavillon Baudot, BP 25202, 31052, Toulouse Cedex
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Design, synthesis and biological evaluation studies of novel small molecule ENPP1 inhibitors for cancer immunotherapy. Bioorg Chem 2021; 119:105549. [PMID: 34929517 DOI: 10.1016/j.bioorg.2021.105549] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 10/25/2021] [Accepted: 12/05/2021] [Indexed: 01/07/2023]
Abstract
Ecto-nucleotide pyrophosphatase/phosphodiesterases 1 (ENPP1 or NPP1), is an attractive therapeutic target for various diseases, primarily cancer and mineralization disorders. The ecto-enzyme is located on the cell surface and has been implicated in the control of extracellular levels of nucleotide, nucleoside and (di) phosphate. Recently, it has emerged as a critical phosphodiesterase that hydrolyzes cyclic 2'3'- cGAMP, the endogenous ligand for STING (STimulator of INterferon Genes). STING plays an important role in innate immunity by activating type I interferon in response to cytosolic 2'3'-cGAMP. ENPP1 negatively regulates the STING pathway and hence its inhibition makes it an attractive therapeutic target for cancer immunotherapy. Herein, we describe the design, optimization and biological evaluation studies of a series of novel non-nucleotidic thioguanine based small molecule inhibitors of ENPP1. The lead compound 43 has shown good in vitro potency, stability in SGF/SIF/PBS, selectivity, ADME properties and pharmacokinetic profile and finally potent anti-tumor response in vivo. These compounds are a good starting point for the development of potentially effective cancer immunotherapy agents.
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ENPP2 Methylation in Health and Cancer. Int J Mol Sci 2021; 22:ijms222111958. [PMID: 34769391 PMCID: PMC8585013 DOI: 10.3390/ijms222111958] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/21/2021] [Accepted: 11/01/2021] [Indexed: 11/16/2022] Open
Abstract
Autotaxin (ATX) encoded by Ectonucleotide Pyrophosphatase/Phosphodiesterase 2 (ENPP2) is a key enzyme in Lysophosphatidic Acid (LPA) synthesis implicated in cancer. Although its aberrant expression has been reported, ENPP2 methylation profiles in health and malignancy are not described. We examined in silico the methylation of ENPP2 analyzing publicly available methylome datasets, to identify Differentially Methylated CpGs (DMCs) which were then correlated with expression at gene and isoform levels. Significance indication was set to be FDR corrected p-value < 0.05. Healthy tissues presented methylation in all gene body CGs and lower levels in Promoter Associated (PA) regions, whereas in the majority of the tumors examined (HCC, melanoma, CRC, LC and PC) the methylation pattern was reversed. DMCs identified in the promoter were located in sites recognized by multiple transcription factors, suggesting involvement in gene expression. Alterations in methylation were correlated to an aggressive phenotype in cancer cell lines. In prostate and lung adenocarcinomas, increased methylation of PA CGs was correlated to decreased ENPP2 mRNA expression and to poor prognosis parameters. Collectively, our results corroborate that methylation is an active level of ATX expression regulation in cancer. Our study provides an extended description of the methylation status of ENPP2 in health and cancer and points out specific DMCs of value as prognostic biomarkers.
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Massé K, Bhamra S, Paroissin C, Maneta-Peyret L, Boué-Grabot E, Jones EA. The enpp4 ectonucleotidase regulates kidney patterning signalling networks in Xenopus embryos. Commun Biol 2021; 4:1158. [PMID: 34620987 PMCID: PMC8497618 DOI: 10.1038/s42003-021-02688-9] [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: 03/17/2021] [Accepted: 09/17/2021] [Indexed: 11/30/2022] Open
Abstract
The enpp ectonucleotidases regulate lipidic and purinergic signalling pathways by controlling the extracellular concentrations of purines and bioactive lipids. Although both pathways are key regulators of kidney physiology and linked to human renal pathologies, their roles during nephrogenesis remain poorly understood. We previously showed that the pronephros was a major site of enpp expression and now demonstrate an unsuspected role for the conserved vertebrate enpp4 protein during kidney formation in Xenopus. Enpp4 over-expression results in ectopic renal tissues and, on rare occasion, complete mini-duplication of the entire kidney. Enpp4 is required and sufficient for pronephric markers expression and regulates the expression of RA, Notch and Wnt pathway members. Enpp4 is a membrane protein that binds, without hydrolyzing, phosphatidylserine and its effects are mediated by the receptor s1pr5, although not via the generation of S1P. Finally, we propose a novel and non-catalytic mechanism by which lipidic signalling regulates nephrogenesis. Massé and colleagues identify enpp4 as a key regulator in the development of the kidney in Xenopus. The gene signalling pathways regulated by this ectonucleotidase are described and lipidic signalling regulatory mechanisms are explored.
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Affiliation(s)
- Karine Massé
- School of Life Sciences, Warwick University, Coventry, CV47AL, UK. .,Université de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000, Bordeaux, France. .,CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000, Bordeaux, France.
| | - Surinder Bhamra
- School of Life Sciences, Warwick University, Coventry, CV47AL, UK
| | - Christian Paroissin
- Université de Pau et des Pays de l'Adour, Laboratoire de Mathématiques et de leurs Applications-UMR CNRS 5142, 64013, Pau cedex, France
| | - Lilly Maneta-Peyret
- Université de Bordeaux, CNRS, Laboratoire de Biogenèse Membranaire UMR 5200, F-33800, Villenave d'Ornon, France
| | - Eric Boué-Grabot
- Université de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000, Bordeaux, France.,CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000, Bordeaux, France
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Briolay A, Bessueille L, Magne D. TNAP: A New Multitask Enzyme in Energy Metabolism. Int J Mol Sci 2021; 22:ijms221910470. [PMID: 34638808 PMCID: PMC8509042 DOI: 10.3390/ijms221910470] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/17/2021] [Accepted: 09/23/2021] [Indexed: 02/06/2023] Open
Abstract
Tissue-nonspecific alkaline phosphatase (TNAP) is mainly known for its necessary role in skeletal and dental mineralization, which relies on the hydrolysis of the mineralization inhibitor inorganic pyrophosphate (PPi). Mutations in the gene encoding TNAP leading to severe hypophosphatasia result in strongly reduced mineralization and perinatal death. Fortunately, the relatively recent development of a recombinant TNAP with a bone anchor has allowed to correct the bone defects and prolong the life of affected babies and children. Researches on TNAP must however not be slowed down, because accumulating evidence indicates that TNAP activation in individuals with metabolic syndrome (MetS) is associated with enhanced cardiovascular mortality, presumably in relation with cardiovascular calcification. On the other hand, TNAP appears to be necessary to prevent the development of steatohepatitis in mice, suggesting that TNAP plays protective roles. The aim of the present review is to highlight the known or suspected functions of TNAP in energy metabolism that may be associated with the development of MetS. The location of TNAP in liver and its function in bile excretion, lipopolysaccharide (LPS) detoxification and fatty acid transport will be presented. The expression and function of TNAP in adipocyte differentiation and thermogenesis will also be discussed. Given that TNAP is a tissue- and substrate-nonspecific phosphatase, we believe that it exerts several crucial pathophysiological functions that are just beginning to be discovered.
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Reyna-Jeldes M, Díaz-Muñoz M, Madariaga JA, Coddou C, Vázquez-Cuevas FG. Autocrine and paracrine purinergic signaling in the most lethal types of cancer. Purinergic Signal 2021; 17:345-370. [PMID: 33982134 PMCID: PMC8410929 DOI: 10.1007/s11302-021-09785-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 03/25/2021] [Indexed: 02/07/2023] Open
Abstract
Cancer comprises a collection of diseases that occur in almost any tissue and it is characterized by an abnormal and uncontrolled cell growth that results in tumor formation and propagation to other tissues, causing tissue and organ malfunction and death. Despite the undeniable improvement in cancer diagnostics and therapy, there is an urgent need for new therapeutic and preventive strategies with improved efficacy and fewer side effects. In this context, purinergic signaling emerges as an interesting candidate as a cancer biomarker or therapeutic target. There is abundant evidence that tumor cells have significant changes in the expression of purinergic receptors, which comprise the G-protein coupled P2Y and AdoR families of receptors and the ligand-gated ion channel P2X receptors. Tumor cells also exhibit changes in the expression of nucleotidases and other enzymes involved in nucleotide metabolism, and the concentrations of extracellular nucleotides are significantly higher than those observed in normal cells. In this review, we will focus on the potential role of purinergic signaling in the ten most lethal cancers (lung, breast, colorectal, liver, stomach, prostate, cervical, esophagus, pancreas, and ovary), which together are responsible for more than 5 million annual deaths.
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Affiliation(s)
- M Reyna-Jeldes
- Departamento de Ciencias Biomédicas, Facultad de Medicina, Universidad Católica del Norte, Coquimbo, Chile
- Millennium Nucleus for the Study of Pain (MiNuSPain), Santiago, Chile
- Núcleo para el Estudio del Cáncer a nivel Básico, Aplicado y Clínico, Universidad Católica del Norte, Antofagasta, Chile
| | - M Díaz-Muñoz
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, Querétaro, México
| | - J A Madariaga
- Departamento de Ciencias Biomédicas, Facultad de Medicina, Universidad Católica del Norte, Coquimbo, Chile
- Núcleo para el Estudio del Cáncer a nivel Básico, Aplicado y Clínico, Universidad Católica del Norte, Antofagasta, Chile
| | - C Coddou
- Departamento de Ciencias Biomédicas, Facultad de Medicina, Universidad Católica del Norte, Coquimbo, Chile.
- Millennium Nucleus for the Study of Pain (MiNuSPain), Santiago, Chile.
- Núcleo para el Estudio del Cáncer a nivel Básico, Aplicado y Clínico, Universidad Católica del Norte, Antofagasta, Chile.
| | - F G Vázquez-Cuevas
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, Querétaro, México.
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Kayama H, Okumura R, Takeda K. Interaction Between the Microbiota, Epithelia, and Immune Cells in the Intestine. Annu Rev Immunol 2021; 38:23-48. [PMID: 32340570 DOI: 10.1146/annurev-immunol-070119-115104] [Citation(s) in RCA: 291] [Impact Index Per Article: 97.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The gastrointestinal tract harbors numerous commensal bacteria, referred to as the microbiota, that benefit host health by digesting dietary components and eliminating pathogens. The intestinal microbiota maintains epithelial barrier integrity and shapes the mucosal immune system, balancing host defense and oral tolerance with microbial metabolites, components, and attachment to host cells. To avoid aberrant immune responses, epithelial cells segregate the intestinal microbiota from immune cells by constructing chemical and physical barriers, leading to the establishment of host-commensal mutualism. Furthermore, intestinal immune cells participate in the maintenance of a healthy microbiota community and reinforce epithelial barrier functions. Perturbations of the microbiota composition are commonly observed in patients with autoimmune diseases and chronic inflammatory disorders. An understanding of the intimate interactions between the intestinal microbiota, epithelial cells, and immune cells that are crucial for the maintenance of intestinal homeostasis might promote advances in diagnostic and therapeutic approaches for various diseases.
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Affiliation(s)
- Hisako Kayama
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan; , , .,WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka 565-0871, Japan.,Institute for Advanced Co-Creation Studies, Osaka University, Suita, Osaka 565-0871, Japan
| | - Ryu Okumura
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan; , , .,WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka 565-0871, Japan
| | - Kiyoshi Takeda
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan; , , .,WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka 565-0871, Japan
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Litchfield M, Wuest M, Glubrecht D, Briard E, Auberson YP, McMullen TPW, Brindley DN, Wuest F. Positron Emission Tomography Imaging of Autotaxin in Thyroid and Breast Cancer Models Using [ 18F]PRIMATX. Mol Pharm 2021; 18:3352-3364. [PMID: 34319110 DOI: 10.1021/acs.molpharmaceut.1c00265] [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: 11/28/2022]
Abstract
Autotaxin (ATX) is a secreted enzyme responsible for producing lysophosphatidic acid (LPA). The ATX/LPA signaling axis is typically activated in wound healing and tissue repair processes. The ATX/LPA axis is highjacked and upregulated in the progression and persistence of several chronic inflammatory diseases, including cancer. As ATX inhibitors are now progressing to clinical testing, innovative diagnostic tools such as positron emission tomography (PET) are needed to measure ATX expression in vivo accurately. The radiotracer, [18F]PRIMATX, was recently developed and tested for PET imaging of ATX in vivo in a murine melanoma model. The goal of the present work was to further validate [18F]PRIMATX as a PET imaging agent by analyzing its in vivo metabolic stability and suitability for PET imaging of ATX in models of human 8305C thyroid tumor and murine 4T1 breast cancer. [18F]PRIMATX displayed favorable metabolic stability in vivo (65% of intact radiotracer after 60 min p.i.) and provided sufficient tumor uptake profiles in both tumor models. Radiotracer uptake could be blocked by 8-12% in 8305C thyroid tumors in the presence of ATX inhibitor AE-32-NZ70 as determined by PET and ex vivo biodistribution analyses. [18F]PRIMATX also showed high brain uptake, which was reduced by 50% through the administration of ATX inhibitor AE-32-NZ70. [18F]PRIMATX is a suitable radiotracer for PET imaging of ATX in the brain and peripheral tumor tissues.
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Affiliation(s)
- Marcus Litchfield
- Department of Oncology, University of Alberta, 11560 University Avenue, Edmonton T6G 1Z2, Alberta, Canada.,Cancer Research Institute of Northern Alberta, University of Alberta, Edmonton T6G 2S2, Alberta, Canada
| | - Melinda Wuest
- Department of Oncology, University of Alberta, 11560 University Avenue, Edmonton T6G 1Z2, Alberta, Canada
| | - Daryl Glubrecht
- Department of Oncology, University of Alberta, 11560 University Avenue, Edmonton T6G 1Z2, Alberta, Canada
| | - Emmanuelle Briard
- Global Discovery Chemistry, Novartis Institutes for BioMedical Research, Fabristrasse 2, Novartis Campus, Basel CH-4056, Switzerland
| | - Yves P Auberson
- Global Discovery Chemistry, Novartis Institutes for BioMedical Research, Fabristrasse 2, Novartis Campus, Basel CH-4056, Switzerland
| | - Todd P W McMullen
- Department of Oncology, University of Alberta, 11560 University Avenue, Edmonton T6G 1Z2, Alberta, Canada.,Cancer Research Institute of Northern Alberta, University of Alberta, Edmonton T6G 2S2, Alberta, Canada
| | - David N Brindley
- Department of Biochemistry, University of Alberta, Edmonton T6G 1Z2, Alberta, Canada.,Cancer Research Institute of Northern Alberta, University of Alberta, Edmonton T6G 2S2, Alberta, Canada
| | - Frank Wuest
- Department of Oncology, University of Alberta, 11560 University Avenue, Edmonton T6G 1Z2, Alberta, Canada.,Cancer Research Institute of Northern Alberta, University of Alberta, Edmonton T6G 2S2, Alberta, Canada
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Lee SY, Namasivayam V, Boshta NM, Perotti A, Mirza S, Bua S, Supuran CT, Müller CE. Discovery of potent nucleotide pyrophosphatase/phosphodiesterase3 (NPP3) inhibitors with ancillary carbonic anhydrase inhibition for cancer (immuno)therapy. RSC Med Chem 2021; 12:1187-1206. [PMID: 34355184 PMCID: PMC8292979 DOI: 10.1039/d1md00117e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 06/05/2021] [Indexed: 11/21/2022] Open
Abstract
Nucleotide pyrophosphatase/phosphodiesterase3 (NPP3) catalyzes the hydrolysis of extracellular nucleotides. It is expressed by immune cells and some carcinomas, e.g. of kidney and colon. Together with ecto-5'-nucleotidase (CD73), NPP3 produces immunosuppressive, cancer-promoting adenosine, and has therefore been proposed as a target for cancer therapy. Here we report on the discovery of 4-[(4-methylphthalazin-1-yl)amino]benzenesulfonamide (1) as an inhibitor of human NPP3 identified by compound library screening. Subsequent structure-activity relationship (SAR) studies led to the potent competitive NPP3 inhibitor 2-methyl-5-{4-[(4-sulfamoylphenyl)amino]phthalazin-1-yl}benzenesulfonamide (23, K i 53.7 nM versus the natural substrate ATP). Docking studies predicted its binding pose and interactions. While 23 displayed high selectivity versus other ecto-nucleotidases, it showed ancillary inhibition of two proposed anti-cancer targets, the carbonic anhydrases CA-II (Ki 74.7 nM) and CA-IX (Ki 20.3 nM). Thus, 23 may act as multi-target anti-cancer drug. SARs for NPP3 were steeper than for CAs leading to the identification of potent dual CA-II/CA-IX (e.g. 34) as well as selective CA-IX inhibitors (e.g. 31).
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Affiliation(s)
- Sang-Yong Lee
- PharmaCenter Bonn, Pharmaceutical Institute, Department of Pharmaceutical & Medicinal Chemistry, University of Bonn An der Immenburg 4 D-53121 Bonn Germany +49 228 73 2567 +49 228 73 2301
| | - Vigneshwaran Namasivayam
- PharmaCenter Bonn, Pharmaceutical Institute, Department of Pharmaceutical & Medicinal Chemistry, University of Bonn An der Immenburg 4 D-53121 Bonn Germany +49 228 73 2567 +49 228 73 2301
| | - Nader M Boshta
- PharmaCenter Bonn, Pharmaceutical Institute, Department of Pharmaceutical & Medicinal Chemistry, University of Bonn An der Immenburg 4 D-53121 Bonn Germany +49 228 73 2567 +49 228 73 2301
- Chemistry Department, Faculty of Science, Menoufia University Gamal Abdel-Nasser Street Shebin El-Kom 32511 Egypt
| | - Arianna Perotti
- PharmaCenter Bonn, Pharmaceutical Institute, Department of Pharmaceutical & Medicinal Chemistry, University of Bonn An der Immenburg 4 D-53121 Bonn Germany +49 228 73 2567 +49 228 73 2301
| | - Salahuddin Mirza
- PharmaCenter Bonn, Pharmaceutical Institute, Department of Pharmaceutical & Medicinal Chemistry, University of Bonn An der Immenburg 4 D-53121 Bonn Germany +49 228 73 2567 +49 228 73 2301
| | - Silvia Bua
- Dipartimento Neurofarba, Sezione di Scienze Farmaceutiche e Nutraceutiche, Università degli Studi di Firenze Via Ugo Schiff 7,50019 Sesto Fiorentino Florence Italy
| | - Claudiu T Supuran
- Dipartimento Neurofarba, Sezione di Scienze Farmaceutiche e Nutraceutiche, Università degli Studi di Firenze Via Ugo Schiff 7,50019 Sesto Fiorentino Florence Italy
| | - Christa E Müller
- PharmaCenter Bonn, Pharmaceutical Institute, Department of Pharmaceutical & Medicinal Chemistry, University of Bonn An der Immenburg 4 D-53121 Bonn Germany +49 228 73 2567 +49 228 73 2301
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Ma B, Zhang L, Sun L, Xin Z, Kumaravel G, Marcotte D, Chodaparambil JV, Wang Q, Wehr A, Jing J, Hong VS, Wang T, Huang C, Shao Z, Mi S. Discovery of Potent Selective Nonzinc Binding Autotaxin Inhibitor BIO-32546. ACS Med Chem Lett 2021; 12:1124-1129. [PMID: 34267882 DOI: 10.1021/acsmedchemlett.1c00211] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 06/10/2021] [Indexed: 12/18/2022] Open
Abstract
Autotaxin (ATX) is a lysophospholipase D that is the main enzyme responsible for generating LPA in body fluids. Although ATX was isolated from a conditioned medium of melanoma cells, later it was discovered to play a critical role in vascular and neuronal development. ATX has also been implicated in primary brain tumor, fibrosis, and rheumatoid arthritis, as well as neurological diseases such as multiple sclerosis, Alzheimer's disease, and neuropathic pain. As ATX and LPA levels are increased upon neuronal injury, a selective ATX inhibitor could provide a new approach to treat neuropathic pain. Herein we describe the discovery of a novel series of nonzinc binding reversible ATX inhibitors, particularly a potent, selective, orally bioavailable, brain-penetrable tool compound BIO-32546, as well as its synthesis, X-ray cocrystal structure, pharmacokinetics, and in vivo efficacy.
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Gao L, Li X, Wang H, Liao Y, Zhou Y, Wang K, Hu J, Cheng M, Zeng Z, Wang T, Wen F. Autotaxin levels in serum and bronchoalveolar lavage fluid are associated with inflammatory and fibrotic biomarkers and the clinical outcome in patients with acute respiratory distress syndrome. J Intensive Care 2021; 9:44. [PMID: 34130757 PMCID: PMC8207767 DOI: 10.1186/s40560-021-00559-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 06/07/2021] [Indexed: 02/08/2023] Open
Abstract
Background Autotaxin (ATX) is a secreted glycoprotein that is widely present in extracellular biological fluids and has been implicated in many inflammatory and fibrotic diseases. However, the clinical impact of the release of ATX in patients with acute respiratory distress syndrome (ARDS) remains unclear. Methods Serum and bronchoalveolar lavage fluid (BALF) levels of ATX, interleukin (IL)-6, IL-8, tumor necrosis factor (TNF)-α, matrix metalloproteinase (MMP)-7, fibronectin, oncostatin M (OSM), and SPARC (secreted protein acidic and rich in cysteine) were collected from 52 patients with ARDS within 24 h of diagnosis. All cytokines were measured by Magnetic Luminex Assay. BALF albumin (BA) and serum albumin (SA) were measured by enzyme-linked immunosorbent assay. Results Serum ATX, MMP-7, and BALF IL-8 levels were significantly higher in patients who did not survive than in those who survived up to 28 days after diagnosis of ARDS (P < 0.05). BALF and serum ATX levels were correlated with IL-6, IL-8, and MMP-7 levels in BALF and serum, respectively. In addition, BALF ATX was positively correlated with BALF TNF-α, fibronectin, OSM, and SPARC as well as the BA/SA ratio, while serum ATX was correlated with severity of illness based on the SOFA score and PaO2/FIO2 ratio. Furthermore, serum ATX was better able to predict 28-day ARDS-related mortality (area under the curve 0.744, P < 0.01) than the SOFA score, APACHE II score, or PaO2/FIO2 ratio. Serum ATX independently predicted mortality in a univariate Cox regression model (P < 0.0001). Conclusion The serum ATX level is a potential prognostic biomarker in patients with ARDS. BALF ATX is associated with pulmonary biomarkers of inflammation and fibrosis, suggesting a role of ATX in the pathogenesis of ARDS. Supplementary Information The online version contains supplementary material available at 10.1186/s40560-021-00559-3.
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Affiliation(s)
- Lijuan Gao
- Division of Pulmonary Disease, State Key Laboratory of Biotherapy of China, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Guoxuexiang 37, Chengdu, 610041, Sichuan, China
| | - Xiaoou Li
- Division of Pulmonary Disease, State Key Laboratory of Biotherapy of China, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Guoxuexiang 37, Chengdu, 610041, Sichuan, China
| | - Hao Wang
- Division of Pulmonary Disease, State Key Laboratory of Biotherapy of China, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Guoxuexiang 37, Chengdu, 610041, Sichuan, China
| | - Yue Liao
- Division of Pulmonary Disease, State Key Laboratory of Biotherapy of China, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Guoxuexiang 37, Chengdu, 610041, Sichuan, China
| | - Yongfang Zhou
- Department of Critical Care Medicine, West China Hospital of Sichuan University, Guoxuexiang 37, Chengdu, 610041, Sichuan, China
| | - Ke Wang
- Division of Pulmonary Disease, State Key Laboratory of Biotherapy of China, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Guoxuexiang 37, Chengdu, 610041, Sichuan, China
| | - Jun Hu
- Division of Pulmonary Disease, State Key Laboratory of Biotherapy of China, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Guoxuexiang 37, Chengdu, 610041, Sichuan, China
| | - Mengxin Cheng
- Division of Pulmonary Disease, State Key Laboratory of Biotherapy of China, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Guoxuexiang 37, Chengdu, 610041, Sichuan, China
| | - Zijian Zeng
- Division of Pulmonary Disease, State Key Laboratory of Biotherapy of China, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Guoxuexiang 37, Chengdu, 610041, Sichuan, China
| | - Tao Wang
- Division of Pulmonary Disease, State Key Laboratory of Biotherapy of China, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Guoxuexiang 37, Chengdu, 610041, Sichuan, China.
| | - Fuqiang Wen
- Division of Pulmonary Disease, State Key Laboratory of Biotherapy of China, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Guoxuexiang 37, Chengdu, 610041, Sichuan, China.
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Gasparrini M, Sorci L, Raffaelli N. Enzymology of extracellular NAD metabolism. Cell Mol Life Sci 2021; 78:3317-3331. [PMID: 33755743 PMCID: PMC8038981 DOI: 10.1007/s00018-020-03742-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 12/09/2020] [Accepted: 12/14/2020] [Indexed: 02/06/2023]
Abstract
Extracellular NAD represents a key signaling molecule in different physiological and pathological conditions. It exerts such function both directly, through the activation of specific purinergic receptors, or indirectly, serving as substrate of ectoenzymes, such as CD73, nucleotide pyrophosphatase/phosphodiesterase 1, CD38 and its paralog CD157, and ecto ADP ribosyltransferases. By hydrolyzing NAD, these enzymes dictate extracellular NAD availability, thus regulating its direct signaling role. In addition, they can generate from NAD smaller signaling molecules, like the immunomodulator adenosine, or they can use NAD to ADP-ribosylate various extracellular proteins and membrane receptors, with significant impact on the control of immunity, inflammatory response, tumorigenesis, and other diseases. Besides, they release from NAD several pyridine metabolites that can be taken up by the cell for the intracellular regeneration of NAD itself. The extracellular environment also hosts nicotinamide phosphoribosyltransferase and nicotinic acid phosphoribosyltransferase, which inside the cell catalyze key reactions in NAD salvaging pathways. The extracellular forms of these enzymes behave as cytokines, with pro-inflammatory functions. This review summarizes the current knowledge on the extracellular NAD metabolome and describes the major biochemical properties of the enzymes involved in extracellular NAD metabolism, focusing on the contribution of their catalytic activities to the biological function. By uncovering the controversies and gaps in their characterization, further research directions are suggested, also to better exploit the great potential of these enzymes as therapeutic targets in various human diseases.
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Affiliation(s)
- Massimiliano Gasparrini
- Department of Agricultural, Food and Environmental Sciences, Polytechnic University of Marche, Via Brecce Bianche, 60131, Ancona, Italy
| | - Leonardo Sorci
- Division of Bioinformatics and Biochemistry, Department of Materials, Environmental Sciences and Urban Planning, Polytechnic University of Marche, Via Brecce Bianche, 60131, Ancona, Italy
| | - Nadia Raffaelli
- Department of Agricultural, Food and Environmental Sciences, Polytechnic University of Marche, Via Brecce Bianche, 60131, Ancona, Italy.
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Wang H, Ye F, Zhou C, Cheng Q, Chen H. High expression of ENPP1 in high-grade serous ovarian carcinoma predicts poor prognosis and as a molecular therapy target. PLoS One 2021; 16:e0245733. [PMID: 33635867 PMCID: PMC7909685 DOI: 10.1371/journal.pone.0245733] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Accepted: 01/06/2021] [Indexed: 01/06/2023] Open
Abstract
Recent studies have shown that the expression of ENPP1 is related to differentiation, death, dissemination and chemosensitivity of tumor cells. So far, there is no research in ovarian carcinoma. This study aimed at exploring the role of ENPP1 gene in ovarian carcinoma, the relationship with prognostic indicators and chemotherapy resistance, and investigates the possibility of molecular targeted therapy. The expression of ENPP1 in 41 normal ovarian epithelial tissues, 97 ovarian serous cystadenoma and 103 HGSOC tissues was detected by IHC. In ovarian cancer tissues and ovarian cancer cell lines, mRNA and protein expression of ENPP1 was determined by qRT-PCR and Western blot. The ENPP1 expression was knockdowned by siRNA. Cell proliferation was measured with the BrdU Cell Proliferation ELISA. Cell migration and invasion were detected by Wound-Healing, Transwell migration and Matrigel invasion assay. Caspase 3 activity was determined by the CaspACE. The expression of EMT markers such as E-cadherin, N-cadherin, and Vimentin was measured, and the expression of PCNA and MMP9 was also be detected. The results showed that the expression of ENPP1 was significantly increased in high-grade ovarian serous carcinoma, the number of strong expression was 85.4% (22.3%+63.1%) and only 1.03% (1.03%+0.0%) in serous cystadenoma, but no in normal ovarian epithelium (P< 0.05). And the stronger the expression of ENPP1, the later the FIGO stage and the poorer differentiation of cells (P = 0.001 or <0.001, respectively). However, no correlation was found between the expression of ENPP1 and chemosensitivity. ENPP1 was also highly expressed in ovarian cancer tissues and in epithelial ovarian cancer cell lines (A2780, CaoV3, OVCAR3, SKOV3 and 3ao). After down-regulation of ENPP1 expression by RNA interference, the cell proliferation, migration and invasion of ovarian cancer cell decreased significantly, the expression of apoptosis related gene caspase 3 increased significantly, while the expression of PCNA and MMP9 was significantly down regulated. In addition, EMT biological characteristics of A2780 and SKOV3 cells were also inhibited. In summary, the increased expression of ENPP1 may be related to the occurrence of HGSOC, and indicate that the disease progresses rapidly and the prognosis is poor. ENPP1 may be considered as a potential molecular therapeutic target.
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Affiliation(s)
- Hanzhi Wang
- Women’s Reproductive Health Key Laboratory of Zhejiang Province, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P. R. China
| | - Feng Ye
- Women’s Reproductive Health Key Laboratory of Zhejiang Province, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P. R. China
| | - Caiyun Zhou
- Department of Pathology, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P. R. China
| | - Qi Cheng
- Women’s Reproductive Health Key Laboratory of Zhejiang Province, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P. R. China
| | - Huaizeng Chen
- Women’s Reproductive Health Key Laboratory of Zhejiang Province, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P. R. China
- * E-mail:
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Geraldo LHM, Spohr TCLDS, Amaral RFD, Fonseca ACCD, Garcia C, Mendes FDA, Freitas C, dosSantos MF, Lima FRS. Role of lysophosphatidic acid and its receptors in health and disease: novel therapeutic strategies. Signal Transduct Target Ther 2021; 6:45. [PMID: 33526777 PMCID: PMC7851145 DOI: 10.1038/s41392-020-00367-5] [Citation(s) in RCA: 124] [Impact Index Per Article: 41.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/28/2020] [Accepted: 09/30/2020] [Indexed: 12/12/2022] Open
Abstract
Lysophosphatidic acid (LPA) is an abundant bioactive phospholipid, with multiple functions both in development and in pathological conditions. Here, we review the literature about the differential signaling of LPA through its specific receptors, which makes this lipid a versatile signaling molecule. This differential signaling is important for understanding how this molecule can have such diverse effects during central nervous system development and angiogenesis; and also, how it can act as a powerful mediator of pathological conditions, such as neuropathic pain, neurodegenerative diseases, and cancer progression. Ultimately, we review the preclinical and clinical uses of Autotaxin, LPA, and its receptors as therapeutic targets, approaching the most recent data of promising molecules modulating both LPA production and signaling. This review aims to summarize the most update knowledge about the mechanisms of LPA production and signaling in order to understand its biological functions in the central nervous system both in health and disease.
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Affiliation(s)
- Luiz Henrique Medeiros Geraldo
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.,Université de Paris, PARCC, INSERM, F-75015, Paris, France
| | | | | | | | - Celina Garcia
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Fabio de Almeida Mendes
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Catarina Freitas
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marcos Fabio dosSantos
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Flavia Regina Souza Lima
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
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Kollmannsberger C, Choueiri TK, Heng DYC, George S, Jie F, Croitoru R, Poondru S, Thompson JA. A Randomized Phase II Study of AGS-16C3F Versus Axitinib in Previously Treated Patients with Metastatic Renal Cell Carcinoma. Oncologist 2021; 26:182-e361. [PMID: 33289953 DOI: 10.1002/onco.13628] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 11/30/2020] [Indexed: 12/18/2022] Open
Abstract
LESSONS LEARNED The primary endpoint of this phase II study that evaluated the efficacy and safety of the investigational compound, AGS-16C3F, versus axitinib in previously treated patients with metastatic renal cell carcinoma (mRCC) was not met. Median progression-free survival, the primary endpoint, was 2.9 months with AGS-16C3F and 5.7 months with axitinib (HR, 1.676; 95% CI, 1.107-2.537; p = .015), per investigator assessment The safety profile for each study drug was as expected, with the most commonly reported adverse events being fatigue (53%) and nausea (47%) in the AGS-16C3F arm and fatigue (57%) and diarrhea (48%) in the axitinib arm. These results provide a benchmark for axitinib use in heavily pretreated patients with mRCC. BACKGROUND AGS-16C3F is a novel antibody-drug conjugate that targets cell-surface ectonucleotide pyrophosphatase/phosphodiesterase 3 (ENPP3) and is conjugated to a microtubule disruptive agent. Here we present findings from a phase II study of AGS-16C3F versus axitinib in metastatic renal cell carcinoma (mRCC). METHODS Patients with mRCC of any histology and disease progression during or after their last treatment regimen were randomized 1:1 to intravenous AGS-16C3F 1.8 mg/kg every 3 weeks or oral axitinib 5 mg twice daily (starting dose). The primary objective was investigator-assessed progression-free survival (PFS) of AGS-16C3F versus axitinib (RECIST version 1.1). RESULTS In the total population (N = 133), 63% (n = 84) of patients had completed the study at data cutoff (August 21, 2019). Median PFS was 2.9 months with AGS-16C3F and 5.7 months with axitinib (hazard ratio [HR], 1.676; 95% confidence interval [CI], 1.107-2.537; p = .015). There were no significant differences between arms in secondary efficacy endpoints, including overall survival (13.1 months, AGS-16C3F and 15.4 months, axitinib; HR, 1.079; 95% CI, 0.681-1.707; p = .747). In the safety population (n = 131), the most commonly reported adverse events were fatigue (53%) and nausea (47%) in the AGS-16C3F arm and fatigue (57%) and diarrhea (48%) in the axitinib arm. The incidence of diarrhea was lower in the AGS-16C3F arm than in the axitinib arm (17% vs. 48%), and ocular toxicities were more frequent in the AGS-16C3F arm than in the axitinib arm (44% vs. 26%). CONCLUSION The investigational compound, AGS-16C3F, did not meet the primary endpoint of this trial. These study results provide a benchmark for axitinib use in heavily pretreated patients with mRCC.
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Affiliation(s)
- Christian Kollmannsberger
- University of British Columbia, BC Cancer-Vancouver Cancer Centre, Vancouver, British Columbia, Canada
| | | | - Daniel Y C Heng
- University of Calgary, Tom Baker Cancer Center, Calgary, Alberta, Canada
| | - Saby George
- Roswell Park Cancer Institute, Buffalo, New York, USA
| | - Fei Jie
- Astellas Pharma, Inc., Northbrook, Illinois, USA
| | | | | | - John A Thompson
- University of Washington, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
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Tan Z, Lei H, Guo M, Chen Y, Zhai X. An updated patent review of autotaxin inhibitors (2017-present). Expert Opin Ther Pat 2021; 31:421-434. [PMID: 33342311 DOI: 10.1080/13543776.2021.1867106] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
INTRODUCTION The ATX-LPA axis is an attractive target for therapeutic intervention in a variety of diseases, such as tumor metastasis, fibrosis, pruritus, multiple sclerosis, inflammation, autoimmune conditions, metabolic syndrome, and so on. Accordingly, considerable efforts have been devoted to the development of new chemical entities capable of modulating the ATX-LPA axis. AREAS COVERED This review aims to provide an overview of novel ATX inhibitors reported in patents from September 2016 to August 2020, discussing their structural characteristics and inhibitory potency in vitro and in vivo. EXPERT OPINION In the past four years, the classification of ATX inhibitors based on binding modes has brought great benefits to the discovery of more efficacious inhibitors. In addition to GLPG1690 currently in phase III clinical studies for IPF, BBT-877, and BLD-0409 as potent ATX inhibitors have been enrolled in phase I clinical evaluation; meanwhile, many effective molecules were also reported successively. However, most emerging ATX inhibitors in the last four years are closely analogs of previous entities, such as GLPG1690 and PF-8380, which translate into the urgently identification of ATX inhibitors with diverse structural features and promising properties in the near future.
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Affiliation(s)
- Zehui Tan
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, China
| | - Hongrui Lei
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, China
| | - Ming Guo
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, China
| | - Yuxiang Chen
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, China
| | - Xin Zhai
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, China
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Dillon S, Suchacki K, Hsu SN, Stephen LA, Wang R, Cawthorn WP, Stewart AJ, Nudelman F, Morton NM, Farquharson C. Ablation of Enpp6 Results in Transient Bone Hypomineralization. JBMR Plus 2020; 5:e10439. [PMID: 33615108 PMCID: PMC7872340 DOI: 10.1002/jbm4.10439] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 11/06/2020] [Accepted: 11/17/2020] [Indexed: 12/21/2022] Open
Abstract
Biomineralization is a fundamental process key to the development of the skeleton. The phosphatase orphan phosphatase 1 (PHOSPHO1), which likely functions within extracellular matrix vesicles, has emerged as a critical regulator of biomineralization. However, the biochemical pathways that generate intravesicular PHOSPHO1 substrates are currently unknown. We hypothesized that the enzyme ectonucleotide pyrophosphatase/phosphodiesterase 6 (ENPP6) is an upstream source of the PHOSPHO1 substrate. To test this, we characterized skeletal phenotypes of mice homozygous for a targeted deletion of Enpp6 (Enpp6 -/- ). Micro-computed tomography of the trabecular compartment revealed transient hypomineralization in Enpp6 -/- tibias (p < 0.05) that normalized by 12 weeks of age. Whole-bone cortical analysis also revealed significantly hypomineralized proximal bone in 4- but not 12-week-old Enpp6 -/- mice (p < 0.05) compared with WT animals. Back-scattered SEM revealed a failure in 4-week-old trabecular bone of mineralization foci to propagate. Static histomorphometry revealed increased osteoid volume (p > 0.01) and osteoid surface (p < 0.05), which recovered by 12 weeks but was not accompanied by changes in osteoblast or osteoclast number. This study is the first to characterize the skeletal phenotype of Enpp6 -/- mice, revealing transient hypomineralization in young animals compared with WT controls. These data suggest that ENPP6 is important for bone mineralization and may function upstream of PHOSPHO1 as a novel means of generating its substrates inside matrix vesicles. © 2020 The Authors. JBMR Plus published by Wiley Periodicals LLC. on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Scott Dillon
- The Roslin Institute and Royal (Dick) School of Veterinary Studies University of Edinburgh Midlothian UK
| | - Karla Suchacki
- Centre for Cardiovascular Science, Queen's Medical Research Institute University of Edinburgh Edinburgh UK
| | - Shun-Neng Hsu
- The Roslin Institute and Royal (Dick) School of Veterinary Studies University of Edinburgh Midlothian UK
| | - Louise A Stephen
- The Roslin Institute and Royal (Dick) School of Veterinary Studies University of Edinburgh Midlothian UK
| | - Rongling Wang
- Centre for Cardiovascular Science, Queen's Medical Research Institute University of Edinburgh Edinburgh UK
| | - William P Cawthorn
- Centre for Cardiovascular Science, Queen's Medical Research Institute University of Edinburgh Edinburgh UK
| | - Alan J Stewart
- School of Medicine University of St Andrews St. Andrews UK
| | - Fabio Nudelman
- School of Chemistry University of Edinburgh Edinburgh UK
| | - Nicholas M Morton
- Centre for Cardiovascular Science, Queen's Medical Research Institute University of Edinburgh Edinburgh UK
| | - Colin Farquharson
- The Roslin Institute and Royal (Dick) School of Veterinary Studies University of Edinburgh Midlothian UK
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Kanwal A, Ullah S, Ahmad M, Pelletier J, Aslam S, Sultan S, Sévigny J, Iqbal M, Iqbal J. Synthesis and Nucleotide Pyrophosphatase/Phosphodiesterase Inhibition Studies of Carbohydrazides Based on Benzimidazole‐Benzothiazine Skeleton. ChemistrySelect 2020. [DOI: 10.1002/slct.202003479] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Afshan Kanwal
- Department of Chemistry Government College University Faisalabad 38000 Pakistan
| | - Saif Ullah
- Centre for Advanced Drug Research COMSATS University Islamabad, Abbottabad Campus Abbottabad 22060 Pakistan
| | - Matloob Ahmad
- Department of Chemistry Government College University Faisalabad 38000 Pakistan
| | - Julie Pelletier
- Centre de Recherche du CHU de Québec- Université Laval Québec, QC G1 V 4G2 Canada
| | - Sana Aslam
- Department of Chemistry Government College Women University Faisalabad 38000 Pakistan
| | - Sadia Sultan
- Faculty of Pharmacy Universiti Teknologi MARA, Puncak Alam Campus 42300 Bandar Puncak Alam Selangor Darul Ehsan Malaysia
- Atta-ur-Rahman Institute for Natural Products Discovery (AuRIns) Universiti Teknologi MARA, Puncak Alam Campus 42300 Bandar Puncak Alam Selangor Darul Ehsan Malaysia
| | - Jean Sévigny
- Centre de Recherche du CHU de Québec- Université Laval Québec, QC G1 V 4G2 Canada
- Département de microbiologie-infectiologie et d'immunologie, Faculté de Médecine Université Laval Québec, QC G1 V 0 A6 Canada
| | - Mazhar Iqbal
- Drug Discovery and Structural Biology Group Health Biotechnology Division, National Institute for Biotechnology and Genetic Engineering Faisalabad 38000 Pakistan
| | - Jamshed Iqbal
- Centre for Advanced Drug Research COMSATS University Islamabad, Abbottabad Campus Abbottabad 22060 Pakistan
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Zimmermann H. History of ectonucleotidases and their role in purinergic signaling. Biochem Pharmacol 2020; 187:114322. [PMID: 33161020 DOI: 10.1016/j.bcp.2020.114322] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/03/2020] [Accepted: 11/03/2020] [Indexed: 12/15/2022]
Abstract
Ectonucleotidases are key for purinergic signaling. They control the duration of activity of purinergic receptor agonists. At the same time, they produce hydrolysis products as additional ligands of purinergic receptors. Due to the considerable diversity of enzymes, purinergic receptor ligands and purinergic receptors, deciphering the impact of extracellular purinergic receptor control has become a challenge. The first group of enzymes described were the alkaline phosphatases - at the time not as nucleotide-metabolizing but as nonspecific phosphatases. Enzymes now referred to as nucleoside triphosphate diphosphohydrolases and ecto-5'-nucleotidase were the first and only nucleotide-specific ectonucleotidases identified. And they were the first group of enzymes related to purinergic signaling. Additional research brought to light a surprising number of ectoenzymes with broad substrate specificity, which can also hydrolyze nucleotides. This short overview traces the development of the field and briefly highlights important results and benefits for therapies of human diseases achieved within nearly a century of investigations.
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Affiliation(s)
- Herbert Zimmermann
- Goethe University, Institute of Cell Biology and Neuroscience, Max-von-Laue-Str. 13, 60438 Frankfurt am Main, Germany.
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48
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Wang Z, Shi W, Tian D, Qin H, Vallance BA, Yang H, Yu HB, Yu Q. Autotaxin stimulates LPA2 receptor in macrophages and exacerbates dextran sulfate sodium-induced acute colitis. J Mol Med (Berl) 2020; 98:1781-1794. [PMID: 33128578 DOI: 10.1007/s00109-020-01997-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 10/02/2020] [Accepted: 10/20/2020] [Indexed: 01/12/2023]
Abstract
Autotaxin (ATX) is a secreted enzyme that hydrolyzes lysophosphatidylcholine (LPC) to lysophosphatidic acid (LPA) and choline. ATX has been implicated in multiple chronic inflammatory diseases, but little is known about its role in the development of inflammatory bowel disease (IBD). Here, we investigated how ATX contributed to intestinal inflammation during colitis. We found that ATX expression levels were upregulated in the intestines of ulcerative colitis (UC) patients in acute state as well as in the intestines of dextran sulfate sodium (DSS)-induced colitis mice, which is likely due to increased infiltration of inflammatory cells including macrophages. Intriguingly, the inhibition of ATX activity led to reduced production of inflammatory cytokines, as well as attenuated colitis. These findings suggest that ATX may display strong pro-inflammatory properties. Supporting this, treatment with recombinant mouse ATX (rmATX) increased the production of inflammatory cytokines and enzymes in mouse macrophage cell line RAW264.7 and bone marrow-derived macrophages (BMDM), whereas silencing ATX by siRNA reduced LPS-stimulated production of pro-inflammatory factors. Notably, we found that the levels of LPA2 (an LPA receptor) were dramatically upregulated in rmATX-treated RAW264.7 cells and DSS-treated mice. Gene silencing of lpa2 in RAW264.7 cells by siRNA led to reduced production of inflammatory cytokines. Moreover, adenovirus-mediated delivery of lpa2 short hairpin RNA into DSS-treated mice ameliorated colitis. Collectively, our research suggests that ATX may exacerbate DSS-induced colitis by activating LPA2 receptor in macrophages and represent a promising target for the treatment of IBD. KEY MESSAGES: Increased ATX expression and secretion in colitic colons are likely due to increased infiltration of inflammatory cells including macrophages. Recombinant ATX promotes, but ATX silencing inhibits, the production of inflammatory cytokines in LPS-stimulated RAW264.7 cells and BMDM. •LPA2 mediates the pro-inflammatory effects of ATX on macrophages. Inhibition of ATX and downregulation of LPA2 ameliorate DSS-induced colitis.
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Affiliation(s)
- Zi Wang
- Department of Gastroenterology, Tongji Hospital, Huazhong University of Science and Technology, Jiefang Avenue, 1095, 430030, Wuhan, People's Republic of China
| | - Wenjie Shi
- Department of Gastroenterology, Tongji Hospital, Huazhong University of Science and Technology, Jiefang Avenue, 1095, 430030, Wuhan, People's Republic of China
| | - Dean Tian
- Department of Gastroenterology, Tongji Hospital, Huazhong University of Science and Technology, Jiefang Avenue, 1095, 430030, Wuhan, People's Republic of China
| | - Hua Qin
- Department of Gastroenterology, Tongji Hospital, Huazhong University of Science and Technology, Jiefang Avenue, 1095, 430030, Wuhan, People's Republic of China
| | - Bruce A Vallance
- Division of Gastroenterology, Department of Pediatrics, BC Children's Hospital, University of British Columbia, Vancouver, BC, Canada
| | - Hyungjun Yang
- Division of Gastroenterology, Department of Pediatrics, BC Children's Hospital, University of British Columbia, Vancouver, BC, Canada
| | - Hong B Yu
- Division of Gastroenterology, Department of Pediatrics, BC Children's Hospital, University of British Columbia, Vancouver, BC, Canada.
| | - Qin Yu
- Department of Gastroenterology, Tongji Hospital, Huazhong University of Science and Technology, Jiefang Avenue, 1095, 430030, Wuhan, People's Republic of China.
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de Oliveira M, Mathias LS, de Sibio MT, Noronha-Matos JB, Costa MA, Nogueira CR, Correia-de-Sá P. Pitfalls and challenges of the purinergic signaling cascade in obesity. Biochem Pharmacol 2020; 182:114214. [PMID: 32905795 DOI: 10.1016/j.bcp.2020.114214] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/31/2020] [Accepted: 09/01/2020] [Indexed: 12/15/2022]
Abstract
Obesity is a worldwide health problem which have reached pandemic proportions, now also including low and middle-income countries. Excessive or abnormal fat deposition in the abdomen especially in the visceral compartment is tightly associated with a high metabolic risk for arterial hypertension, type II diabetes, cardiovascular diseases, musculoskeletal disorders (especially articular degeneration) and some cancers. Contrariwise, accumulation of fat in the subcutaneous compartment has been associated with a neutral metabolic impact, favoring a lower risk of insulin resistance. Obesity results more often from an avoidable imbalance between food consumption and energy expenditure. There are several recommended strategies for dealing with obesity, including pharmacological therapies, but their success remains incomplete and may not compensate the associated adverse effects. Purinergic signaling operated by ATP and its metabolite, adenosine, has attracted increasing attention in obesity. The extracellular levels of purines often reflect the energy status of a given cell population. Adenine nucleotides and nucleosides fine tuning control adipogenesis and mature adipocytes function via the activation of P2 and P1 purinoceptors, respectively. These features make the purinergic signaling cascade a putative target for therapeutic intervention in obesity and related metabolic syndromes. There are, however, gaps in our knowledge regarding the role of purines in adipocyte precursors differentiation and mature adipocytes functions, as well as their impact among distinct adipose tissue deposits (e.g. white vs. brown, visceral vs. subcutaneous), which warrants further investigations before translation to clinical trials can be made.
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Affiliation(s)
- Miriane de Oliveira
- São Paulo State University (UNESP), Botucatu Medical School, District of Rubião Jr, s/n, 18618-000, Botucatu, São Paulo, Brazil
| | - Lucas Solla Mathias
- São Paulo State University (UNESP), Botucatu Medical School, District of Rubião Jr, s/n, 18618-000, Botucatu, São Paulo, Brazil
| | - Maria Teresa de Sibio
- São Paulo State University (UNESP), Botucatu Medical School, District of Rubião Jr, s/n, 18618-000, Botucatu, São Paulo, Brazil
| | - José Bernardo Noronha-Matos
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP); Center for Drug Discovery and Innovative Medicines (MedInUP), Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP)
| | - Maria Adelina Costa
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP); Center for Drug Discovery and Innovative Medicines (MedInUP), Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP); Departamento de Química, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP)
| | - Célia Regina Nogueira
- São Paulo State University (UNESP), Botucatu Medical School, District of Rubião Jr, s/n, 18618-000, Botucatu, São Paulo, Brazil
| | - Paulo Correia-de-Sá
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia, Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP); Center for Drug Discovery and Innovative Medicines (MedInUP), Instituto de Ciências Biomédicas Abel Salazar - Universidade do Porto (ICBAS-UP).
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50
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Dennis ML, Newman J, Dolezal O, Hattarki M, Surjadi RN, Nuttall SD, Pham T, Nebl T, Camerino M, Khoo PS, Monahan BJ, Peat TS. Crystal structures of human ENPP1 in apo and bound forms. Acta Crystallogr D Struct Biol 2020; 76:889-898. [PMID: 32876064 PMCID: PMC7466750 DOI: 10.1107/s2059798320010505] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Accepted: 07/31/2020] [Indexed: 11/26/2022] Open
Abstract
Cancer is one of the leading causes of mortality in humans, and recent work has focused on the area of immuno-oncology, in which the immune system is used to specifically target cancerous cells. Ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1) is an emerging therapeutic target in human cancers owing to its role in degrading cyclic GMP-AMP (cGAMP), an agonist of the stimulator of interferon genes (STING). The available structures of ENPP1 are of the mouse enzyme, and no structures are available with anything other than native nucleotides. Here, the first X-ray crystal structures of the human ENPP1 enzyme in an apo form, with bound nucleotides and with two known inhibitors are presented. The availability of these structures and a robust crystallization system will allow the development of structure-based drug-design campaigns against this attractive cancer therapeutic target.
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Affiliation(s)
- Matthew L. Dennis
- Biomedical Manufacturing Program, CSIRO, 343 Royal Parade, Parkville, VIC 3052, Australia
- Cancer Therapeutics CRC, Parkville, VIC 3052, Australia
| | - Janet Newman
- Biomedical Manufacturing Program, CSIRO, 343 Royal Parade, Parkville, VIC 3052, Australia
| | - Olan Dolezal
- Biomedical Manufacturing Program, CSIRO, 343 Royal Parade, Parkville, VIC 3052, Australia
| | - Meghan Hattarki
- Biomedical Manufacturing Program, CSIRO, 343 Royal Parade, Parkville, VIC 3052, Australia
| | - Regina N. Surjadi
- Biomedical Manufacturing Program, CSIRO, 343 Royal Parade, Parkville, VIC 3052, Australia
| | - Stewart D. Nuttall
- Biomedical Manufacturing Program, CSIRO, 343 Royal Parade, Parkville, VIC 3052, Australia
| | - Tam Pham
- Biomedical Manufacturing Program, CSIRO, 343 Royal Parade, Parkville, VIC 3052, Australia
| | - Tom Nebl
- Biomedical Manufacturing Program, CSIRO, 343 Royal Parade, Parkville, VIC 3052, Australia
| | - Michelle Camerino
- Cancer Therapeutics CRC, Parkville, VIC 3052, Australia
- Medicinal Chemistry Theme, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052, Australia
| | - Poh Sim Khoo
- Cancer Therapeutics CRC, Parkville, VIC 3052, Australia
- Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW, Sydney, NSW 2052, Australia
| | - Brendon J. Monahan
- Cancer Therapeutics CRC, Parkville, VIC 3052, Australia
- Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, Victoria, Australia
| | - Thomas S. Peat
- Biomedical Manufacturing Program, CSIRO, 343 Royal Parade, Parkville, VIC 3052, Australia
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