1
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Starlinger J, Santol J, Kaiser G, Sarahrudi K. Close negative correlation of local and circulating Dickkopf-1 and Sclerostin levels during human fracture healing. Sci Rep 2024; 14:6524. [PMID: 38499638 PMCID: PMC10948769 DOI: 10.1038/s41598-024-55756-5] [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: 11/25/2023] [Accepted: 02/27/2024] [Indexed: 03/20/2024] Open
Abstract
Wnt signaling is critically involved in fracture healing. Existing data predominantly relies on rodent models. Here, we explored local and circulating Dickkopf-1 (DKK1) levels in patients with respect to fracture healing and explore its association to sclerostin (SOST). 69 patients after surgical stabilization of long bone fractures of which six patients had impaired fracture healing were included in this study. Life-style and patient related factors with a known effect on DKK1 and SOST were recorded. DKK1 and SOST concentrations were measured using enzyme-linked immunosorbent assay (ELISA) at the fracture site and in circulation. DKK1 and SOST showed a close inverse correlation. In fracture hematoma and immediately after trauma DKK1 levels were significantly reduced while SOST levels were significantly increased, compared to healthy control. Postoperatively, DKK1 peaked at week 2 and SOST at week 8, again demonstrating a close negative correlation. Age and smoking status affected the balance of DKK1 and SOST, while type 2 diabetes and sex did not demonstrate a significant influence. Early postoperative elevation of SOST without compensatory DKK1 decrease was associated with fracture non-union in younger patients (< 50a). The close inverse correlation and very rapid dynamics of DKK1 and SOST locally as well as systemically suggest their critical involvement during human fracture healing. Importantly, as immediate compensatory feedback mechanism are apparent, we provide evidence that dual-blockade of DKK1 and SOST could be critical to allow for therapeutic efficiency of Wnt targeted therapies for fracture healing.
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Affiliation(s)
- Julia Starlinger
- Department of Orthopedics and Trauma-Surgery, General Hospital Vienna, Medical University Vienna, Vienna, Austria.
| | - Jonas Santol
- Department of Orthopedics and Trauma-Surgery, General Hospital Vienna, Medical University Vienna, Vienna, Austria
- Department of Surgery, HPB Center, Viennese Health Network, Clinic Favoriten, Sigmund Freud Private University, Vienna, Austria
- Division of Hepatobiliary and Pancreas Surgery, Department of Surgery, Mayo Clinic, Rochester, MN, USA
| | - Georg Kaiser
- Department of Orthopedics and Trauma-Surgery, General Hospital Vienna, Medical University Vienna, Vienna, Austria
| | - Kambiz Sarahrudi
- Department of Orthopedics and Trauma-Surgery, General Hospital Vienna, Medical University Vienna, Vienna, Austria
- Department for Trauma Surgery, Wiener Neustadt Regional Hospital, Wiener Neustadt, Austria
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2
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Anuj A, Reuven N, Roberts SGE, Elson A. BASP1 down-regulates RANKL-induced osteoclastogenesis. Exp Cell Res 2023; 431:113758. [PMID: 37619639 DOI: 10.1016/j.yexcr.2023.113758] [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: 05/04/2023] [Revised: 07/03/2023] [Accepted: 08/21/2023] [Indexed: 08/26/2023]
Abstract
The cytokine RANKL (Receptor Activator of NFκB Ligand) is the key driver of differentiation of monocytes/macrophages to form multi-nucleated, bone-resorbing osteoclasts, a process that is accompanied by significant changes in gene expression. We show that exposure to RANKL rapidly down-regulates expression of Brain Acid Soluble Protein 1 (BASP1) in cultured primary mouse bone marrow macrophages (BMMs), and that this reduced expression is causally linked to the osteoclastogenic process in vitro. Knocking down BASP1 expression in BMMs or eliminating its expression in these cells or in RAW 264.7 cells enhanced RANKL-induced osteoclastogenesis, promoted cell-cell fusion, and generated cultures containing larger osteoclasts with increased mineral degrading abilities relative to controls. Expression of exogenous BASP1 in BMMs undergoing osteoclastogenic differentiation produced the opposite effects. Upon exposure to RANKL, primary mouse BMMs in which BASP1 had been knocked down exhibited increased expression of the key osteoclastogenic transcription factor Nfatc1and of its downstream target genes Dc-stamp, Ctsk, Itgb3, and Mmp9 relative to controls. The knock-down cells also exhibited increased sensitivity to the pro-osteoclastogenic effects of RANKL. We conclude that BASP1 is a negative regulator of RANKL-induced osteoclastogenesis, which down-regulates the pro-osteoclastogenic gene expression pattern induced by this cytokine. Decreased expression of BASP1 upon exposure of BMMs to RANKL removes a negative regulator of osteoclastogenesis and promotes this process.
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Affiliation(s)
- Anuj Anuj
- Department of Molecular Genetics, The Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Nina Reuven
- Department of Molecular Genetics, The Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Stefan G E Roberts
- School of Cellular & Molecular Medicine, University of Bristol, Bristol, BS8 1TD, United Kingdom
| | - Ari Elson
- Department of Molecular Genetics, The Weizmann Institute of Science, Rehovot, 76100, Israel.
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3
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Lai Y, Guo Y, Liao C, Mao C, Liu J, Ren C, Yang W, Luo L, Chen W. Osteoclast differentiation and dynamic mRNA expression during mice embryonic palatal bone development. Sci Rep 2023; 13:15170. [PMID: 37704707 PMCID: PMC10499879 DOI: 10.1038/s41598-023-42423-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 09/10/2023] [Indexed: 09/15/2023] Open
Abstract
This study is the first to investigate the process of osteoclast (OCL) differentiation, its potential functions, and the associated mRNA and signalling pathways in embryonic palatal bone. Our findings suggest that OCLs are involved in bone remodelling, bone marrow cavity formation, and blood vessel formation in embryonic palatal bone. We observed TRAP-positive OCLs at embryonic day 16.5 (E16.5), E17.5, and E18.5 at the palatal process of the palate (PPP) and posterior and anterior parts of the palatal process of the maxilla (PPMXP and PPMXA, respectively), with OCL differentiation starting 2 days prior to TRAP positivity. By comparing the key periods of OCL differentiation between PPMX and PPP (E14.5, E15.5, and E16.5) using RNA-seq data of the palates, we found that the PI3K-AKT and MAPK signalling pathways were sequentially enriched, which may play critical roles in OCL survival and differentiation. Csf1r, Tnfrsff11a, Ctsk, Fos, Tyrobp, Fcgr3, and Spi1 were significantly upregulated, while Pik3r3, Tgfbr1, and Mapk3k7 were significantly downregulated, in both PPMX and PPP. Interestingly, Tnfrsff11b was upregulated in PPMX but downregulated in PPP, which may regulate the timing of OCL appearance. These results contribute to the limited knowledge regarding mRNA-specific steps in OCL differentiation in the embryonic palatal bone.
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Affiliation(s)
- Yongzhen Lai
- Department of Oral and Craniomaxillofacial Science, Fujian Medical University Union Hospital, No. 28, Xinquan Road, Fuzhou, 350001, Fujian, China
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Yan Guo
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Caiyu Liao
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Chuanqing Mao
- Department of Oral and Craniomaxillofacial Science, Fujian Medical University Union Hospital, No. 28, Xinquan Road, Fuzhou, 350001, Fujian, China
| | - Jing Liu
- Department of Stomatology, Fujian Maternal and Child Health Hospital, No. 18 Dao Shan Road, Fuzhou, 350001, Fujian, China
| | - Chengyan Ren
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Wen Yang
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Lin Luo
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Weihui Chen
- Department of Oral and Craniomaxillofacial Science, Fujian Medical University Union Hospital, No. 28, Xinquan Road, Fuzhou, 350001, Fujian, China.
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China.
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4
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Liu Y, Wang W, Zeng Y, Zeng H. Transcriptome analysis of hydrogen inhibits osteoclastogenesis of mouse bone marrow mononuclear cells. Exp Ther Med 2023; 26:436. [PMID: 37614423 PMCID: PMC10443061 DOI: 10.3892/etm.2023.12135] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 09/01/2022] [Indexed: 08/25/2023] Open
Abstract
Hydrogen (H2) is a major biodegradation product of implanted magnesium (Mg) alloys that are commonly used in the healing of bone fractures. Our earlier study showed that H2 can inhibit mouse bone marrow mononuclear cell (BMMC) osteoclastogenesis during the differentiation of these cells into osteoclasts, thereby facilitating fracture healing. However, the way by which H2 inhibits osteoclastogenesis remains to be elucidated. The present study used RNA-sequencing to study the transcriptome of H2-exposed BMMCs in an osteoclast-induced environment and identified the target genes and signaling pathways through which H2 exerts its biological effects. Several upregulated genes were identified: Fos, Dusp1, Cxcl1, Reln, Itga2b, Plin2, Lif, Thbs1, Vegfa and Gadd45a. Several downregulated genes were also revealed: Hspa1b, Gm4951, F830016B08Rik, Fads2, Hspa1a, Slc27a6, Cacna1b, Scd2, Lama3 and Col4a5. These differentially expressed genes were mainly involved in osteoclast differentiation cascades, as well as PI3K-AKT, Forkhead box O (FoxO), MAPK, peroxisome proliferator-activated receptor (PPAR), TNF, TGF-β, JAK-STAT, RAS, VEGF, hypoxia-inducible factor (HIF-1) and AMPK signaling pathways. In summary, the present study revealed the key genes and signaling pathways involved in the H2-mediated inhibition of osteoclastogenesis, thereby providing a theoretical basis for the significance of H2 and an experimental basis for the application of Mg alloys in the treatment of osteoporosis.
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Affiliation(s)
- Yong Liu
- Department of Orthopedics, Chengdu Second People's Hospital, Chengdu, Sichuan 610017, P.R. China
| | - Wei Wang
- Department of Human Anatomy and Histoembryology, Zhuhai Campus of Zunyi Medical University, Zhuhai, Guangdong 519041, P.R. China
| | - Yong Zeng
- Department of Orthopedics, Chengdu Second People's Hospital, Chengdu, Sichuan 610017, P.R. China
| | - Hui Zeng
- Department of Bone and Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, P.R. China
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5
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Abstract
Osteoclasts are multinucleated cells with the unique ability to resorb bone matrix. Excessive production or activation of osteoclasts leads to skeletal pathologies that affect a significant portion of the population. Although therapies that effectively target osteoclasts have been developed, they are associated with sometimes severe side effects, and a fuller understanding of osteoclast biology may lead to more specific treatments. Along those lines, a rich body of work has defined essential signaling pathways required for osteoclast formation, function, and survival. Nonetheless, recent studies have cast new light on long-held views regarding the origin of these cells during development and homeostasis, their life span, and the cellular sources of factors that drive their production and activity during homeostasis and disease. In this review, we discuss these new findings in the context of existing work and highlight areas of ongoing and future investigation.
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Affiliation(s)
- Deborah J Veis
- Division of Bone and Mineral Diseases, Musculoskeletal Research Center; and Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, USA; .,Shriners Hospitals for Children, St. Louis, Missouri, USA
| | - Charles A O'Brien
- Center for Musculoskeletal Disease Research, Division of Endocrinology, and Department of Orthopaedic Surgery, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA.,Central Arkansas Veterans Healthcare System, Little Rock, Arkansas, USA
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6
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Petronglo JR, Putnam NE, Ford CA, Cruz-Victorio V, Curry JM, Butrico CE, Fulbright LE, Johnson JR, Peck SH, Fatah SR, Cassat JE. Context-Dependent Roles for Toll-Like Receptors 2 and 9 in the Pathogenesis of Staphylococcus aureus Osteomyelitis. Infect Immun 2022; 90:e0041722. [PMID: 36226943 PMCID: PMC9670883 DOI: 10.1128/iai.00417-22] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Staphylococcus aureus is the major causative agent of bacterial osteomyelitis, an invasive infection of bone. Inflammation generated by the immune response to S. aureus contributes to bone damage by altering bone homeostasis. Increases in the differentiation of monocyte lineage cells into bone-resorbing osteoclasts (osteoclastogenesis) promote bone loss in the setting of osteomyelitis. In this study, we sought to define the role of Toll-like receptor (TLR) signaling in the pathogenesis of S. aureus osteomyelitis. We hypothesized that S. aureus-sensing TLRs 2 and 9, both of which are known to alter osteoclastogenesis in vitro, promote pathological changes to bone, including increased osteoclast abundance, bone loss, and altered callus formation during osteomyelitis. Stimulation of osteoclast precursors with S. aureus supernatant increased osteoclastogenesis in a TLR2-dependent, but not a TLR9-dependent, manner. However, in vivo studies using a posttraumatic murine model of osteomyelitis revealed that TLR2-null mice experienced similar bone damage and increased osteoclastogenesis compared to wild type (WT) mice. Therefore, we tested the hypothesis that compensation between TLR2 and TLR9 contributes to osteomyelitis pathogenesis. We found that mice deficient in both TLR2 and TLR9 (Tlr2/9-/-) have decreased trabecular bone loss in response to infection compared to WT mice. However, osteoclastogenesis is comparable between WT and Tlr2/9-/- mice, suggesting that alternative mechanisms enhance osteoclastogenesis in vivo during osteomyelitis. Indeed, we discovered that osteoclast precursors intracellularly infected with S. aureus undergo significantly increased osteoclast formation, even in the absence of TLR2 and TLR9. These results suggest that TLR2 and TLR9 have context-dependent roles in the alteration of bone homeostasis during osteomyelitis.
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Affiliation(s)
- Jenna R. Petronglo
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Centergrid.412807.8, Nashville, Tennessee, USA
| | - Nicole E. Putnam
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Centergrid.412807.8, Nashville, Tennessee, USA
| | - Caleb A. Ford
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee, USA
| | - Virginia Cruz-Victorio
- Department of Pediatrics, Division of Pediatric Infectious Diseases, Vanderbilt University Medical Centergrid.412807.8, Nashville, Tennessee, USA
| | - Jacob M. Curry
- Department of Pediatrics, Division of Pediatric Infectious Diseases, Vanderbilt University Medical Centergrid.412807.8, Nashville, Tennessee, USA
| | - Casey E. Butrico
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Centergrid.412807.8, Nashville, Tennessee, USA
| | - Laura E. Fulbright
- Department of Pediatrics, Division of Pediatric Infectious Diseases, Vanderbilt University Medical Centergrid.412807.8, Nashville, Tennessee, USA
| | - Joshua R. Johnson
- Vanderbilt Center for Bone Biology, Vanderbilt University Medical Centergrid.412807.8, Nashville, Tennessee, USA
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University Medical Centergrid.412807.8, Nashville, Tennessee, USA
| | - Sun H. Peck
- Vanderbilt Center for Bone Biology, Vanderbilt University Medical Centergrid.412807.8, Nashville, Tennessee, USA
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University Medical Centergrid.412807.8, Nashville, Tennessee, USA
| | - Sana R. Fatah
- Department of Pediatrics, Division of Pediatric Infectious Diseases, Vanderbilt University Medical Centergrid.412807.8, Nashville, Tennessee, USA
| | - James E. Cassat
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Centergrid.412807.8, Nashville, Tennessee, USA
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee, USA
- Department of Pediatrics, Division of Pediatric Infectious Diseases, Vanderbilt University Medical Centergrid.412807.8, Nashville, Tennessee, USA
- Vanderbilt Center for Bone Biology, Vanderbilt University Medical Centergrid.412807.8, Nashville, Tennessee, USA
- Vanderbilt Institute for Infection, Immunology, and Inflammation (VI4), Vanderbilt University Medical Centergrid.412807.8, Nashville, Tennessee, USA
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7
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Elson A, Anuj A, Barnea-Zohar M, Reuven N. The origins and formation of bone-resorbing osteoclasts. Bone 2022; 164:116538. [PMID: 36028118 DOI: 10.1016/j.bone.2022.116538] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 08/17/2022] [Accepted: 08/18/2022] [Indexed: 02/07/2023]
Abstract
Osteoclasts (OCLs) are hematopoietic cells whose physiological function is to degrade bone. OCLs are key players in the processes that determine and maintain the mass, shape, and physical properties of bone. OCLs adhere to bone tightly and degrade its matrix by secreting protons and proteases onto the underlying surface. The combination of low pH and proteases degrades the mineral and protein components of the matrix and forms a resorption pit; the degraded material is internalized by the cell and then secreted into the circulation. Insufficient or excessive activity of OCLs can lead to significant changes in bone and either cause or exacerbate symptoms of diseases, as in osteoporosis, osteopetrosis, and cancer-induced bone lysis. OCLs are derived from monocyte-macrophage precursor cells whose origins are in two distinct embryonic cell lineages - erythromyeloid progenitor cells of the yolk sac, and hematopoietic stem cells. OCLs are formed in a multi-stage process that is induced by the cytokines M-CSF and RANKL, during which the cells differentiate, fuse to form multi-nucleated cells, and then differentiate further to become mature, bone-resorbing OCLs. Recent studies indicate that OCLs can undergo fission in vivo to generate smaller cells, called "osteomorphs", that can be "re-cycled" by fusing with other cells to form new OCLs. In this review we describe OCLs and discuss their cellular origins and the cellular and molecular events that drive osteoclastogenesis.
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Affiliation(s)
- Ari Elson
- Department of Molecular Genetics, The Weizmann Institute of Science, Rehovot 76100, Israel.
| | - Anuj Anuj
- Department of Molecular Genetics, The Weizmann Institute of Science, Rehovot 76100, Israel
| | - Maayan Barnea-Zohar
- Department of Molecular Genetics, The Weizmann Institute of Science, Rehovot 76100, Israel
| | - Nina Reuven
- Department of Molecular Genetics, The Weizmann Institute of Science, Rehovot 76100, Israel
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8
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Diboun I, Wani S, Ralston SH, Albagha OME. Epigenetic DNA Methylation Signatures Associated With the Severity of Paget's Disease of Bone. Front Cell Dev Biol 2022; 10:903612. [PMID: 35769265 PMCID: PMC9235511 DOI: 10.3389/fcell.2022.903612] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 05/17/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Paget's disease of bone (PDB) is characterized by focal areas of dysregulated bone turnover resulting in increased bone loss and abnormal bone formation with variable severity. PDB has a complex etiology and both genetics and environmental factors have been implicated. A recent study has identified many differentially methylated loci in PDB compared to healthy subjects. However, associations between DNA methylation profiles and disease severity of PDB have not been investigated. Objectives: To investigate the association between DNA methylation signals and PDB severity. Methods: Using 232 well-characterized PDB subjects from the PRISM trial, a disease severity score was devised based on the clinical features of PDB. DNA methylation profiling was performed using Illumina Infinium HumanMethylation 450K array. Results: We identified 100 CpG methylation sites significantly associated with PDB severity at FDR <0.05. Additionally, methylation profiles in 11 regions showed Bonferroni-significant association with disease severity including six islands (located in VCL, TBX5, CASZ1, ULBP2, NUDT15 and SQSTM1), two gene bodies (CXCR6 and DENND1A), and 3 promoter regions (RPL27, LINC00301 and VPS29). Moreover, FDR-significant effects from region analysis implicated genes with genetic variants previously associated with PDB severity, including RIN3 and CSF1. A multivariate predictor model featuring the top severity-associated CpG sites revealed a significant correlation (R = 0.71, p = 6.9 × 10-16) between observed and predicted PDB severity scores. On dichotomizing the severity scores into low and high severity, the model featured an area under curve (AUC) of 0.80, a sensitivity of 0.74 and a specificity of 0.68. Conclusion: We identified several CpG methylation markers that are associated with PDB severity in this pioneering study while also highlighting the novel molecular pathways associated with disease progression. Further work is warranted to affirm the suitability of our model to predict the severity of PDB in newly diagnosed patients or patients with family history of PDB.
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Affiliation(s)
- Ilhame Diboun
- Division of Genomic and Translational Biomedicine, College of Health and Life Sciences (CHLS), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
- Translational Genetics and Bioinformatics Section, Research Division, Sidra Medicine, Doha, Qatar
| | - Sachin Wani
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, United Kingdom
| | - Stuart H. Ralston
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, United Kingdom
| | - Omar M. E. Albagha
- Division of Genomic and Translational Biomedicine, College of Health and Life Sciences (CHLS), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, United Kingdom
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9
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Suo C, Dann E, Goh I, Jardine L, Kleshchevnikov V, Park JE, Botting RA, Stephenson E, Engelbert J, Tuong ZK, Polanski K, Yayon N, Xu C, Suchanek O, Elmentaite R, Domínguez Conde C, He P, Pritchard S, Miah M, Moldovan C, Steemers AS, Mazin P, Prete M, Horsfall D, Marioni JC, Clatworthy MR, Haniffa M, Teichmann SA. Mapping the developing human immune system across organs. Science 2022; 376:eabo0510. [PMID: 35549310 PMCID: PMC7612819 DOI: 10.1126/science.abo0510] [Citation(s) in RCA: 126] [Impact Index Per Article: 63.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Single-cell genomics studies have decoded the immune-cell composition of several human prenatal organs but were limited in understanding the developing immune system as a distributed network across tissues. We profiled nine prenatal tissues combining single-cell RNA sequencing, antigen-receptor sequencing, and spatial transcriptomics to reconstruct the developing human immune system. This revealed the late acquisition of immune effector functions by myeloid and lymphoid cell subsets and the maturation of monocytes and T cells prior to peripheral tissue seeding. Moreover, we uncovered system-wide blood and immune cell development beyond primary hematopoietic organs, characterized human prenatal B1 cells, and shed light on the origin of unconventional T cells. Our atlas provides both valuable data resources and biological insights that will facilitate cell engineering, regenerative medicine, and disease understanding.
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Affiliation(s)
- Chenqu Suo
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK.,Department of Paediatrics, Cambridge University Hospitals, Hills Road, Cambridge, UK
| | - Emma Dann
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK
| | - Issac Goh
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Laura Jardine
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK.,Haematology Department, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | | | - Jong-Eun Park
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK.,Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea
| | - Rachel A Botting
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Emily Stephenson
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Justin Engelbert
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Zewen Kelvin Tuong
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK.,Molecular Immunity Unit, University of Cambridge Department of Medicine, Cambridge, UK
| | - Krzysztof Polanski
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK
| | - Nadav Yayon
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK.,European Molecular Biology Laboratory European Bioinformatics Institute, Hinxton, Cambridge, UK
| | - Chuan Xu
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK
| | - Ondrej Suchanek
- Molecular Immunity Unit, University of Cambridge Department of Medicine, Cambridge, UK
| | - Rasa Elmentaite
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK
| | | | - Peng He
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK.,European Molecular Biology Laboratory European Bioinformatics Institute, Hinxton, Cambridge, UK
| | - Sophie Pritchard
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK
| | - Mohi Miah
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Corina Moldovan
- Department of Cellular Pathology, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | | | - Pavel Mazin
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK
| | - Martin Prete
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK
| | - Dave Horsfall
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - John C Marioni
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK.,European Molecular Biology Laboratory European Bioinformatics Institute, Hinxton, Cambridge, UK.,Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK
| | - Menna R Clatworthy
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK.,Molecular Immunity Unit, University of Cambridge Department of Medicine, Cambridge, UK
| | - Muzlifah Haniffa
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK.,Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK.,Department of Dermatology and NIHR Newcastle Biomedical Research Centre, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Sarah A Teichmann
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK.,Theory of Condensed Matter, Cavendish Laboratory, Department of Physics, University of Cambridge, Cambridge, UK
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