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Zhang J, Jiang Y, Zhang Z, Li S, Fan H, Gu J, Mao R, Xu X. Repulsive guidance molecules b (RGMb): molecular mechanism, function and role in diseases. Expert Rev Mol Med 2024; 26:e24. [PMID: 39375839 DOI: 10.1017/erm.2024.24] [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: 10/09/2024]
Abstract
Repulsive guidance molecule b (RGMb), a glycosylphosphatidylinositol-anchored member of the RGM family, is initially identified as a co-receptor of bone morphogenetic protein (BMP) in the nervous system. The expression of RGMb is transcriptionally regulated by dorsal root ganglion 11 (DRG11), which is a transcription factor expressed in embryonic DRG and dorsal horn neurons and plays an important role in the development of sensory circuits. RGMb is involved in important physiological processes such as embryonic development, immune response, intercellular adhesion and tumorigenesis. Furthermore, RGMb is mainly involved in the regulation of RGMb-neogenin-Rho and BMP signalling pathways. The recent discovery of programmed death-ligand 2 (PD-L2)-RGMb binding reveals that the cell signalling network and functional regulation centred on RGMb are extremely complex. The latest report suggests that down-regulation of the PD-L2-RGMb pathway in the gut microbiota promotes an anti-tumour immune response, which defines a potentially effective immune strategy. However, the biological function of RGMb in a variety of human diseases has not been fully determined, and will remain an active research field. This article reviews the properties and functions of RGMb, focusing on its role under various physiological and pathological conditions.
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Affiliation(s)
- Jie Zhang
- Department of Oncology, Affiliated Tumor Hospital of Nantong University, Nantong University, Nantong, Jiangsu, People's Republic of China
| | - Yijing Jiang
- Department of Pathophysiology, School of Medicine, Nantong University, Nantong, Jiangsu, People's Republic of China
| | - Zijian Zhang
- Department of Pathophysiology, School of Medicine, Nantong University, Nantong, Jiangsu, People's Republic of China
| | - Shilin Li
- Department of Pathophysiology, School of Medicine, Nantong University, Nantong, Jiangsu, People's Republic of China
| | - Haowen Fan
- Department of Pathophysiology, School of Medicine, Nantong University, Nantong, Jiangsu, People's Republic of China
| | - Jinhua Gu
- Nantong Institute of Genetics and Reproductive Medicine, Affiliated Maternity & Child Healthcare Hospital of Nantong University, Nantong, Jiangsu, China
| | - Renfang Mao
- Department of Pathophysiology, School of Medicine, Nantong University, Nantong, Jiangsu, People's Republic of China
| | - Xiaohong Xu
- Department of Oncology, Affiliated Tumor Hospital of Nantong University, Nantong University, Nantong, Jiangsu, People's Republic of China
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Wang SZ, Wang MD, Wang JY, Yuan M, Li YD, Luo PT, Xiao F, Li H. Genome-wide association study of growth curve parameters reveals novel genomic regions and candidate genes associated with metatarsal bone traits in chickens. Animal 2024; 18:101129. [PMID: 38574453 DOI: 10.1016/j.animal.2024.101129] [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: 10/26/2023] [Revised: 03/02/2024] [Accepted: 03/05/2024] [Indexed: 04/06/2024] Open
Abstract
The growth and development of chicken bones have an enormous impact on the health and production performance of chickens. However, the development pattern and genetic regulation of the chicken skeleton are poorly understood. This study aimed to evaluate metatarsal bone growth and development patterns in chickens via non-linear models, and to identify the genetic determinants of metatarsal bone traits using a genome-wide association study (GWAS) based on growth curve parameters. Data on metatarsal length (MeL) and metatarsal circumference (MeC) were obtained from 471 F2 chickens (generated by crossing broiler sires, derived from a line selected for high abdominal fat, with Baier layer dams) at 4, 6, 8, 10, and 12 weeks of age. Four non-linear models (Gompertz, Logistic, von Bertalanffy, and Brody) were used to fit the MeL and MeC growth curves. Subsequently, the estimated growth curve parameters of the mature MeL or MeC (A), time-scale parameter (b), and maturity rate (K) from the non-linear models were utilized as substitutes for the original bone data in GWAS. The Logistic and Brody models displayed the best goodness-of-fit for MeL and MeC, respectively. Single-trait and multi-trait GWASs based on the growth curve parameters of the Logistic and Brody models revealed 4 618 significant single nucleotide polymorphisms (SNPs), annotated to 332 genes, associated with metatarsal bone traits. The majority of these significant SNPs were located on Gallus gallus chromosome (GGA) 1 (167.433-176.318 Mb), GGA2 (96.791-103.543 Mb), GGA4 (65.003-83.104 Mb) and GGA6 (64.685-95.285 Mb). Notably, we identified 12 novel GWAS loci associated with chicken metatarsal bone traits, encompassing 35 candidate genes. In summary, the combination of single-trait and multi-trait GWASs based on growth curve parameters uncovered numerous genomic regions and candidate genes associated with chicken bone traits. The findings benefit an in-depth understanding of the genetic architecture underlying metatarsal growth and development in chickens.
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Affiliation(s)
- S Z Wang
- Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, Harbin 150030, PR China; Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin 150030, PR China; College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China
| | - M D Wang
- Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, Harbin 150030, PR China; Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin 150030, PR China; College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China
| | - J Y Wang
- Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, Harbin 150030, PR China; Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin 150030, PR China; College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China
| | - M Yuan
- Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, Harbin 150030, PR China; Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin 150030, PR China; College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China
| | - Y D Li
- Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, Harbin 150030, PR China; Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin 150030, PR China; College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China
| | - P T Luo
- Fujian Sunnzer Biotechnology Development Co. Ltd, Guangze, Fujian Province 354100, PR China
| | - F Xiao
- Fujian Sunnzer Biotechnology Development Co. Ltd, Guangze, Fujian Province 354100, PR China
| | - H Li
- Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, Harbin 150030, PR China; Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin 150030, PR China; College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China.
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Strubel A, Münick P, Hartmann O, Chaikuad A, Dreier B, Schaefer JV, Gebel J, Osterburg C, Tuppi M, Schäfer B, Buck V, Rosenfeldt M, Knapp S, Plückthun A, Diefenbacher ME, Dötsch V. DARPins detect the formation of hetero-tetramers of p63 and p73 in epithelial tissues and in squamous cell carcinoma. Cell Death Dis 2023; 14:674. [PMID: 37828008 PMCID: PMC10570377 DOI: 10.1038/s41419-023-06213-0] [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: 08/30/2023] [Revised: 09/15/2023] [Accepted: 10/03/2023] [Indexed: 10/14/2023]
Abstract
The two p53 homologues p63 and p73 regulate transcriptional programs in epithelial tissues and several cell types in these tissues express both proteins. All members of the p53 family form tetramers in their active state through a dedicated oligomerization domain that structurally assembles as a dimer of dimers. The oligomerization domain of p63 and p73 share a high sequence identity, but the p53 oligomerization domain is more divergent and it lacks a functionally important C-terminal helix present in the other two family members. Based on these structural differences, p53 does not hetero-oligomerize with p63 or p73. In contrast, p63 and p73 form hetero-oligomers of all possible stoichiometries, with the hetero-tetramer built from a p63 dimer and a p73 dimer being thermodynamically more stable than the two homo-tetramers. This predicts that in cells expressing both proteins a p632/p732 hetero-tetramer is formed. So far, the tools to investigate the biological function of this hetero-tetramer have been missing. Here we report the generation and characterization of Designed Ankyrin Repeat Proteins (DARPins) that bind with high affinity and selectivity to the p632/p732 hetero-tetramer. Using these DARPins we were able to confirm experimentally the existence of this hetero-tetramer in epithelial mouse and human tissues and show that its level increases in squamous cell carcinoma.
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Affiliation(s)
- Alexander Strubel
- Institute of Biophysical Chemistry and Center for Biomolecular Magnetic Resonance, Goethe University, 60438, Frankfurt, Germany
| | - Philipp Münick
- Institute of Biophysical Chemistry and Center for Biomolecular Magnetic Resonance, Goethe University, 60438, Frankfurt, Germany
| | - Oliver Hartmann
- Department of Biochemistry and Molecular Biology I, University of Würzburg, 97074, Würzburg, Germany
| | - Apirat Chaikuad
- Institute of Pharmaceutical Chemistry, Goethe University, 60438, Frankfurt, Germany
- Structural Genomics Consortium, Goethe University, 60438, Frankfurt, Germany
| | - Birgit Dreier
- Department of Biochemistry, University of Zurich, 8057, Zurich, Switzerland
| | - Jonas V Schaefer
- Department of Biochemistry, University of Zurich, 8057, Zurich, Switzerland
| | - Jakob Gebel
- Institute of Biophysical Chemistry and Center for Biomolecular Magnetic Resonance, Goethe University, 60438, Frankfurt, Germany
| | - Christian Osterburg
- Institute of Biophysical Chemistry and Center for Biomolecular Magnetic Resonance, Goethe University, 60438, Frankfurt, Germany
| | - Marcel Tuppi
- Institute of Biophysical Chemistry and Center for Biomolecular Magnetic Resonance, Goethe University, 60438, Frankfurt, Germany
| | - Birgit Schäfer
- Institute of Biophysical Chemistry and Center for Biomolecular Magnetic Resonance, Goethe University, 60438, Frankfurt, Germany
| | - Viktoria Buck
- Department of Pathology, University of Würzburg, 97074, Würzburg, Germany
| | - Mathias Rosenfeldt
- Department of Pathology, University of Würzburg, 97074, Würzburg, Germany
| | - Stefan Knapp
- Institute of Pharmaceutical Chemistry, Goethe University, 60438, Frankfurt, Germany
- Structural Genomics Consortium, Goethe University, 60438, Frankfurt, Germany
| | - Andreas Plückthun
- Department of Biochemistry, University of Zurich, 8057, Zurich, Switzerland
| | - Markus E Diefenbacher
- Department of Biochemistry and Molecular Biology I, University of Würzburg, 97074, Würzburg, Germany
| | - Volker Dötsch
- Institute of Biophysical Chemistry and Center for Biomolecular Magnetic Resonance, Goethe University, 60438, Frankfurt, Germany.
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Maier CR, Hartmann O, Prieto-Garcia C, Al-Shami KM, Schlicker L, Vogel FCE, Haid S, Klann K, Buck V, Münch C, Schmitz W, Einig E, Krenz B, Calzado MA, Eilers M, Popov N, Rosenfeldt MT, Diefenbacher ME, Schulze A. USP28 controls SREBP2 and the mevalonate pathway to drive tumour growth in squamous cancer. Cell Death Differ 2023:10.1038/s41418-023-01173-6. [PMID: 37202505 DOI: 10.1038/s41418-023-01173-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 04/16/2023] [Accepted: 04/25/2023] [Indexed: 05/20/2023] Open
Abstract
SREBP2 is a master regulator of the mevalonate pathway (MVP), a biosynthetic process that drives the synthesis of dolichol, heme A, ubiquinone and cholesterol and also provides substrates for protein prenylation. Here, we identify SREBP2 as a novel substrate for USP28, a deubiquitinating enzyme that is frequently upregulated in squamous cancers. Our results show that silencing of USP28 reduces expression of MVP enzymes and lowers metabolic flux into this pathway. We also show that USP28 binds to mature SREBP2, leading to its deubiquitination and stabilisation. USP28 depletion rendered cancer cells highly sensitive to MVP inhibition by statins, which was rescued by the addition of geranyl-geranyl pyrophosphate. Analysis of human tissue microarrays revealed elevated expression of USP28, SREBP2 and MVP enzymes in lung squamous cell carcinoma (LSCC) compared to lung adenocarcinoma (LADC). Moreover, CRISPR/Cas-mediated deletion of SREBP2 selectively attenuated tumour growth in a KRas/p53/LKB1 mutant mouse model of lung cancer. Finally, we demonstrate that statins synergise with a dual USP28/25 inhibitor to reduce viability of SCC cells. Our findings suggest that combinatorial targeting of MVP and USP28 could be a therapeutic strategy for the treatment of squamous cell carcinomas.
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Affiliation(s)
- Carina R Maier
- German Cancer Research Center, Division of Tumor Metabolism and Microenvironment, Im Neuenheimer Feld 581, 69120, Heidelberg, Germany
- Protein Stability and Cancer Group, Department of Biochemistry and Molecular Biology, Theodor-Boveri-Institute, Biocenter, Am Hubland, 97074, Würzburg, Germany
| | - Oliver Hartmann
- Protein Stability and Cancer Group, Department of Biochemistry and Molecular Biology, Theodor-Boveri-Institute, Biocenter, Am Hubland, 97074, Würzburg, Germany
| | - Cristian Prieto-Garcia
- Protein Stability and Cancer Group, Department of Biochemistry and Molecular Biology, Theodor-Boveri-Institute, Biocenter, Am Hubland, 97074, Würzburg, Germany
- Institute of Biochemistry II, Goethe University Frankfurt, Theodor-Stern-Kai 7, Haus 75, 60590, Frankfurt am Main, Germany
| | - Kamal M Al-Shami
- German Cancer Research Center, Division of Tumor Metabolism and Microenvironment, Im Neuenheimer Feld 581, 69120, Heidelberg, Germany
| | - Lisa Schlicker
- German Cancer Research Center, Division of Tumor Metabolism and Microenvironment, Im Neuenheimer Feld 581, 69120, Heidelberg, Germany
| | - Felix C E Vogel
- German Cancer Research Center, Division of Tumor Metabolism and Microenvironment, Im Neuenheimer Feld 581, 69120, Heidelberg, Germany
| | - Silke Haid
- German Cancer Research Center, Division of Tumor Metabolism and Microenvironment, Im Neuenheimer Feld 581, 69120, Heidelberg, Germany
| | - Kevin Klann
- Institute of Biochemistry II, Goethe University Frankfurt, Theodor-Stern-Kai 7, Haus 75, 60590, Frankfurt am Main, Germany
| | - Viktoria Buck
- Institute of Pathology, Julius Maximilians University and Comprehensive Cancer Center (CCC) Mainfranken, Josef-Schneider-Strasse 2, 97080, Würzburg, Germany
| | - Christian Münch
- Institute of Biochemistry II, Goethe University Frankfurt, Theodor-Stern-Kai 7, Haus 75, 60590, Frankfurt am Main, Germany
| | - Werner Schmitz
- Theodor Boveri Institute, Department of Biochemistry and Molecular Biology, Biocenter, University of Würzburg, 97074, Würzburg, Germany
| | - Elias Einig
- Internal Medicine VIII-Clinical Tumor Biology, University of Tübingen, Otfried-Müller-Straße 14, 72076, Tübingen, Germany
| | - Bastian Krenz
- Theodor Boveri Institute, Department of Biochemistry and Molecular Biology, Biocenter, University of Würzburg, 97074, Würzburg, Germany
| | - Marco A Calzado
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain
- Departamento de Biología Celular, Fisiología e Inmunología, Universidad de Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía, Córdoba, Spain
| | - Martin Eilers
- Theodor Boveri Institute, Department of Biochemistry and Molecular Biology, Biocenter, University of Würzburg, 97074, Würzburg, Germany
| | - Nikita Popov
- Internal Medicine VIII-Clinical Tumor Biology, University of Tübingen, Otfried-Müller-Straße 14, 72076, Tübingen, Germany
| | - Mathias T Rosenfeldt
- Institute of Pathology, Julius Maximilians University and Comprehensive Cancer Center (CCC) Mainfranken, Josef-Schneider-Strasse 2, 97080, Würzburg, Germany
| | - Markus E Diefenbacher
- Protein Stability and Cancer Group, Department of Biochemistry and Molecular Biology, Theodor-Boveri-Institute, Biocenter, Am Hubland, 97074, Würzburg, Germany.
| | - Almut Schulze
- German Cancer Research Center, Division of Tumor Metabolism and Microenvironment, Im Neuenheimer Feld 581, 69120, Heidelberg, Germany.
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Zhao J, Li J, Xu A, Xu Y, He F, Mao Y. IRAK4 inhibition: an effective strategy for immunomodulating peri-implant osseointegration via reciprocally-shifted polarization in the monocyte-macrophage lineage cells. BMC Oral Health 2023; 23:265. [PMID: 37158847 PMCID: PMC10169473 DOI: 10.1186/s12903-023-03011-0] [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: 01/04/2023] [Accepted: 05/03/2023] [Indexed: 05/10/2023] Open
Abstract
BACKGROUND The biomaterial integration depends on its interaction with the host immune system. Monocyte-macrophage lineage cells are immediately recruited to the implant site, polarized into different phenotypes, and fused into multinucleated cells, thus playing roles in tissue regeneration. IL-1R-associated kinase 4 (IRAK4) inhibition was reported to antagonize inflammatory osteolysis and regulate osteoclasts and foreign body giant cells (FBGCs), which may be a potential target in implant osseointegration. METHODS In in-vitro experiments, we established simulated physiological and inflammatory circumstances in which bone-marrow-derived macrophages were cultured on sand-blasted and acid-etched (SLA) titanium surfaces to evaluate the induced macrophage polarization, multinucleated cells formation, and biological behaviors in the presence or absence of IRAK4i. Then, bone marrow stromal stem cells (BMSCs) were cultured in the conditioned media collected from the aforementioned induced osteoclasts or FBGCs cultures to clarify the indirect coupling effect of multinucleated cells on BMSCs. We further established a rat implantation model, which integrates IRAK4i treatment with implant placement, to verify the positive effect of IRAK4 inhibition on the macrophage polarization, osteoclast differentiation, and ultimately the early peri-implant osseointegration in vivo. RESULTS Under inflammatory conditions, by transforming the monocyte-macrophage lineage cells from M1 to M2, IRAK4i treatment could down-regulate the formation and activity of osteoclast and relieve the inhibition of FBGC generation, thus promoting osteogenic differentiation in BMSCs and improve the osseointegration. CONCLUSION This study may improve our understanding of the function of multinucleated cells and offer IRAK4i as a therapeutic strategy to improve early implant osseointegration and help to eliminate the initial implant failure.
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Affiliation(s)
- Juan Zhao
- Department of ProsthodonticsSchool of StomatologyZhejiang Provincial Clinical Research Center for Oral Diseases, Stomatology HospitalZhejiang University School of MedicineKey Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 31000, China
- Department of Prosthodontics, The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, 166 QiuTao Rd(N), Hangzhou, 310000, China
| | - Jia Li
- Department of ProsthodonticsSchool of StomatologyZhejiang Provincial Clinical Research Center for Oral Diseases, Stomatology HospitalZhejiang University School of MedicineKey Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 31000, China
- Department of Prosthodontics, The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, 166 QiuTao Rd(N), Hangzhou, 310000, China
| | - Antian Xu
- Department of ProsthodonticsSchool of StomatologyZhejiang Provincial Clinical Research Center for Oral Diseases, Stomatology HospitalZhejiang University School of MedicineKey Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 31000, China
- Department of Prosthodontics, The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, 166 QiuTao Rd(N), Hangzhou, 310000, China
| | - Yangbo Xu
- Department of ProsthodonticsSchool of StomatologyZhejiang Provincial Clinical Research Center for Oral Diseases, Stomatology HospitalZhejiang University School of MedicineKey Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 31000, China
- Department of Prosthodontics, The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, 166 QiuTao Rd(N), Hangzhou, 310000, China
| | - Fuming He
- Department of ProsthodonticsSchool of StomatologyZhejiang Provincial Clinical Research Center for Oral Diseases, Stomatology HospitalZhejiang University School of MedicineKey Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 31000, China.
- Department of Prosthodontics, The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, 166 QiuTao Rd(N), Hangzhou, 310000, China.
| | - Yingjie Mao
- Department of ProsthodonticsSchool of StomatologyZhejiang Provincial Clinical Research Center for Oral Diseases, Stomatology HospitalZhejiang University School of MedicineKey Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 31000, China.
- Department of Prosthodontics, The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, 166 QiuTao Rd(N), Hangzhou, 310000, China.
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