DDX10

Gene Summary

Gene:DDX10; DEAD-box helicase 10
Aliases: Dbp4, HRH-J8
Location:11q22.3
Summary:DEAD box proteins, characterized by the conserved motif Asp-Glu-Ala-Asp (DEAD), are putative RNA helicases. They are implicated in a number of cellular processes involving alteration of RNA secondary structure such as translation initiation, nuclear and mitochondrial splicing, and ribosome and spliceosome assembly. Based on their distribution patterns, some members of this family are believed to be involved in embryogenesis, spermatogenesis, and cellular growth and division. This gene encodes a DEAD box protein, and it may be involved in ribosome assembly. Fusion of this gene and the nucleoporin gene, NUP98, by inversion 11 (p15q22) chromosome translocation is found in the patients with de novo or therapy-related myeloid malignancies. [provided by RefSeq, Jul 2008]
Databases:OMIM, HGNC, Ensembl, GeneCard, Gene
Protein:probable ATP-dependent RNA helicase DDX10
Source:NCBIAccessed: 31 August, 2019

Ontology:

What does this gene/protein do?
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Cancer Overview

Research Indicators

Publications Per Year (1994-2019)
Graph generated 31 August 2019 using data from PubMed using criteria.

Literature Analysis

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Tag cloud generated 31 August, 2019 using data from PubMed, MeSH and CancerIndex

Specific Cancers (5)

Data table showing topics related to specific cancers and associated disorders. Scope includes mutations and abnormal protein expression.

Note: list is not exhaustive. Number of papers are based on searches of PubMed (click on topic title for arbitrary criteria used).

Latest Publications: DDX10 (cancer-related)

Gorello P, Nofrini V, Brandimarte L, et al.
Inv(11)(p15q22)/NUP98-DDX10 fusion and isoforms in a new case of de novo acute myeloid leukemia.
Cancer Genet. 2013; 206(3):92-6 [PubMed] Related Publications
We set up a diagnostic double-color double-fusion fluorescence in situ hybridization (DCDF-FISH) assay to investigate a case of a de novo acute myeloid leukemia (AML)-M4 bearing an inv(11)(p15q22). DCDF-FISH detected the NUP98-DDX10 rearrangement as two fusion signals, at the short and the long arms of the inv(11). Reverse transcription-polymerase chain reaction (RT-PCR) and cloning experiments confirmed the NUP98-DDX10 fusion and identified two splicing fusion isoforms: the known "type II fusion," originating from the fusion of NUP98 exon 14 to DDX10 exon 7 and a new in-frame fusion transcript between NUP98 exon 15 and DDX10 exon 7, which we termed "type III fusion."

Jiao X, Hooper SD, Djureinovic T, et al.
Gene rearrangements in hormone receptor negative breast cancers revealed by mate pair sequencing.
BMC Genomics. 2013; 14:165 [PubMed] Free Access to Full Article Related Publications
BACKGROUND: Chromosomal rearrangements in the form of deletions, insertions, inversions and translocations are frequently observed in breast cancer genomes, and a subset of these rearrangements may play a crucial role in tumorigenesis. To identify novel somatic chromosomal rearrangements, we determined the genome structures of 15 hormone-receptor negative breast tumors by long-insert mate pair massively parallel sequencing.
RESULTS: We identified and validated 40 somatic structural alterations, including the recurring fusion between genes DDX10 and SKA3 and translocations involving the EPHA5 gene. Other rearrangements were found to affect genes in pathways involved in epigenetic regulation, mitosis and signal transduction, underscoring their potential role in breast tumorigenesis. RNA interference-mediated suppression of five candidate genes (DDX10, SKA3, EPHA5, CLTC and TNIK) led to inhibition of breast cancer cell growth. Moreover, downregulation of DDX10 in breast cancer cells lead to an increased frequency of apoptotic nuclear morphology.
CONCLUSIONS: Using whole genome mate pair sequencing and RNA interference assays, we have discovered a number of novel gene rearrangements in breast cancer genomes and identified DDX10, SKA3, EPHA5, CLTC and TNIK as potential cancer genes with impact on the growth and proliferation of breast cancer cells.

Sellmann L, Scholtysik R, Kreuz M, et al.
Gene dosage effects in chronic lymphocytic leukemia.
Cancer Genet Cytogenet. 2010; 203(2):149-60 [PubMed] Related Publications
To understand the influence of chromosomal alterations on gene expression in a genome-wide view, chromosomal imbalances detected by single nucleotide polymorphism (SNP) chips were compared with global gene expression in 16 cases of chronic lymphocytic leukemia (CLL). A strong concordance between chromosomal gain or loss and increased or reduced expression of genes in the affected regions was found, respectively. Regions of uniparental disomy (UPD) were rare and had usually no consistent influence on gene expression, but in one instance, a large UPD was associated with a downregulation of most genes in the affected chromosome. The frequently deleted miRNAs, MIRN15A and MIRN16-1, did not show a reduced expression in cases with monoallelic deletions. The BCL2 protein, considered to be downregulated by these miRNAs, was upregulated not only in CLL with biallelic deletion of MIRN15A and MIRN16-1, but also in cases with monoallelic deletion. This suggests a complex regulation of BCL2 levels in CLL cells. Taken together, in CLL, a global gene dosage effect exists for chromosomal gains and deletions and in some instances for UPDs. We did not confirm a consistent correlation between MIRN15A and MIRN16-1 expression levels and BCL2 protein levels, indicating a complex regulation of BCL2 expression.

Yassin ER, Abdul-Nabi AM, Takeda A, Yaseen NR
Effects of the NUP98-DDX10 oncogene on primary human CD34+ cells: role of a conserved helicase motif.
Leukemia. 2010; 24(5):1001-11 [PubMed] Free Access to Full Article Related Publications
NUP98 gene rearrangements occur in acute myeloid leukemia and result in the expression of fusion proteins. One of the most frequent is NUP98-DDX10 that fuses a portion of NUP98 to a portion of DDX10, a putative DEAD-box RNA helicase. Here, we show that NUP98-DDX10 dramatically increases proliferation and self-renewal of primary human CD34+ cells, and disrupts their erythroid and myeloid differentiation. It localizes to their nuclei and extensively deregulates gene expression. Comparison to another leukemogenic NUP98 fusion, NUP98-HOXA9, reveals a number of genes deregulated by both oncoproteins, including HOX genes, COX-2, MYCN, ANGPT1, REN, HEY1, SOX4 and others. These genes may account for the similar leukemogenic properties of NUP98 fusion oncogenes. The YIHRAGRTAR sequence in the DDX10 portion of NUP98-DDX10 represents a major motif shared by DEAD-box RNA helicases that is required for ATP binding, RNA-binding and helicase functions. Mutating this motif diminished the in vitro transforming ability of NUP98-DDX10, indicating that it has a role in leukemogenesis. These data show for the first time the in vitro transforming ability of NUP98-DDX10 and show that it is partially dependent on one of the consensus helicase motifs of DDX10. They also point to common pathways that may underlie leukemogenesis by different NUP98 fusions.

Takeda A, Sarma NJ, Abdul-Nabi AM, Yaseen NR
Inhibition of CRM1-mediated nuclear export of transcription factors by leukemogenic NUP98 fusion proteins.
J Biol Chem. 2010; 285(21):16248-57 [PubMed] Free Access to Full Article Related Publications
NUP98 is a nucleoporin that plays complex roles in the nucleocytoplasmic trafficking of macromolecules. Rearrangements of the NUP98 gene in human leukemia result in the expression of numerous fusion oncoproteins whose effect on nucleocytoplasmic trafficking is poorly understood. The present study was undertaken to determine the effects of leukemogenic NUP98 fusion proteins on CRM1-mediated nuclear export. NUP98-HOXA9, a prototypic NUP98 fusion, inhibited the nuclear export of two known CRM1 substrates: mutated cytoplasmic nucleophosmin and HIV-1 Rev. In vitro binding assays revealed that NUP98-HOXA9 binds CRM1 through the FG repeat motif in a Ran-GTP-dependent manner similar to but stronger than the interaction between CRM1 and its export substrates. Two NUP98 fusions, NUP98-HOXA9 and NUP98-DDX10, whose fusion partners are structurally and functionally unrelated, interacted with endogenous CRM1 in myeloid cells as shown by co-immunoprecipitation. These leukemogenic NUP98 fusion proteins interacted with CRM1, Ran, and the nucleoporin NUP214 in a manner fundamentally different from that of wild-type NUP98. NUP98-HOXA9 and NUP98-DDX10 formed characteristic aggregates within the nuclei of a myeloid cell line and primary human CD34+ cells and caused aberrant localization of CRM1 to these aggregates. These NUP98 fusions caused nuclear accumulation of two transcription factors, NFAT and NFkappaB, that are regulated by CRM1-mediated export. The nuclear entrapment of NFAT and NFkappaB correlated with enhanced transcription from promoters responsive to these transcription factors. Taken together, the results suggest a new mechanism by which NUP98 fusions dysregulate transcription and cause leukemia, namely, inhibition of CRM1-mediated nuclear export with aberrant nuclear retention of transcriptional regulators.

Morerio C, Acquila M, Rapella A, et al.
Inversion (11)(p15q22) with NUP98-DDX10 fusion gene in pediatric acute myeloid leukemia.
Cancer Genet Cytogenet. 2006; 171(2):122-5 [PubMed] Related Publications
The inv(11)(p15q22), a rare but recurrent chromosome abnormality that creates a NUP98-DDX10 fusion gene, is associated with de novo or secondary myeloid malignancies. We report a case of acute monocytic leukemia presenting this rearrangement, studied using fluorescence in situ hybridization (FISH) and reverse transcriptase-PCR (RT-PCR). We also review the cases of inv(11) associated with NUP98-DDX10 reported in the literature.

Romana SP, Radford-Weiss I, Ben Abdelali R, et al.
NUP98 rearrangements in hematopoietic malignancies: a study of the Groupe Francophone de Cytogénétique Hématologique.
Leukemia. 2006; 20(4):696-706 [PubMed] Related Publications
The NUP98 gene is fused with 19 different partner genes in various human hematopoietic malignancies. In order to gain additional clinico-hematological data and to identify new partners of NUP98, the Groupe Francophone de Cytogénétique Hématologique (GFCH) collected cases of hematological malignancies where a 11p15 rearrangement was detected. Fluorescence in situ hybridization (FISH) analysis showed that 35% of these patients (23/66) carried a rearrangement of the NUP98 locus. Genes of the HOXA cluster and the nuclear-receptor set domain (NSD) genes were frequently fused to NUP98, mainly in de novo myeloid malignancies whereas the DDX10 and TOP1 genes were equally rearranged in de novo and in therapy-related myeloid proliferations. Involvement of ADD3 and C6ORF80 genes were detected, respectively, in myeloid disorders and in T-cell acute lymphoblastic leukemia (T-ALL), whereas the RAP1GDS1 gene was fused to NUP98 in T-ALL. Three new chromosomal breakpoints: 3q22.1, 7p15 (in a localization distinct from the HOXA locus) and Xq28 were detected in rearrangements with the NUP98 gene locus. The present study as well as a review of the 73 cases previously reported in the literature allowed us to delineate some chromosomal, clinical and molecular features of patients carrying a NUP98 gene rearrangements.

Nebral K, König M, Schmidt HH, et al.
Screening for NUP98 rearrangements in hematopoietic malignancies by fluorescence in situ hybridization.
Haematologica. 2005; 90(6):746-52 [PubMed] Related Publications
BACKGROUND AND OBJECTIVES: The aim of this study was to determine the incidence of rearrangements of NUP98 (the gene coding for nucleoporin 98kDa protein) in childhood acute myeloid leukemia (AML) and selected patients with 11p13-15 rearrangements. This aim was achieved using a fluorescence in situ hybridization (FISH) assay that allows the detection of NUP98 aberrations independently of the partner gene involved.
DESIGN AND METHODS: Screening of 59 consecutive patients enrolled in the Austrian AML-BFM93 clinical trial was performed by dual-color FISH. In addition, 14 selected cases with various hematologic malignancies and 11p13-15 aberrations were analyzed. NUP98-positive cases were further investigated by fusion gene-specific FISH and reverse transcription polymerase chain reaction assays.
RESULTS: Among the 59 AML patients, one NUP98-NSD1 positive case (1.7%) was detected. Among the 14 selected patients, five new NUP98 positive cases were determined. Two cases showed an inv(11)(p15q22)/NUP98-DDX10 fusion, one each displayed a t(5;11)(q35;p15)/NUP98-NSD1 and a t(11;20)(p15;q12)/NUP98-TOP1 fusion, and one case with a putative new fusion partner gene at 3p24 was identified.
INTERPRETATION AND CONCLUSIONS: The observed frequency of 1.7% confirmed the low incidence of NUP98 rearrangements in childhood AML. The low occurrence of NUP98 rearrangements in selected samples with 11p13-15 alterations suggests the existence of variable chromosomal breakpoints and affected genes in this region. The identification of a new NUP98 fusion partner region confirms the evident promiscuity of NUP98. Thus, analysis of NUP98 aberrations by FISH seems to be the method of choice for determining the presence of these genetic lesions in unselected patients, and to confirm the involvement of NUP98 in cases with 11p15 aberrations.

Yamamoto M, Kakihana K, Kurosu T, et al.
Clonal evolution with inv(11)(p15q22) and NUP98/DDX10 fusion gene in imatinib-resistant chronic myelogenous leukemia.
Cancer Genet Cytogenet. 2005; 157(2):104-8 [PubMed] Related Publications
The BCR/ABL tyrosine kinase inhibitor imatinib has shown remarkable efficacy in treating patients with chronic myelogenous leukemia (CML). In a small portion of patients treated with imatinib, however, the disease may progress to advanced stages, frequently accompanied by cytogenetic clonal evolution with the appearance of additional chromosomal aberrations besides the Philadelphia chromosome. Here we report the appearance of an inv(11)(p15q22) as a clonal evolution in a CML patient undergoing treatment with imatinib. Leukemic cells from the patient were found to express the fusion transcript of NUP98 and DDX10, which is in accordance with previously reported cases of de novo or therapy-related acute myelogenous leukemia and myelodysplastic syndrome with inv(11)(p15q22). Although the patient showed resistance to imatinib with the disease rapidly progressing to blast crisis, sequence analysis failed to reveal any mutation in the kinase domain of BCR/ABL that would explain the imatinib resistance. Furthermore, ex vivo treatment of leukemic cells with imatinib significantly reduced tyrosine phosphorylation of CrkL, a target of the BCR/ABL kinase. These observations raise a possibility that the NUP98/DDX10 fusion might be involved in imatinib resistance as well as in acute transformation of CML.

Panagopoulos I, Isaksson M, Billström R, et al.
Fusion of the NUP98 gene and the homeobox gene HOXC13 in acute myeloid leukemia with t(11;12)(p15;q13).
Genes Chromosomes Cancer. 2003; 36(1):107-12 [PubMed] Related Publications
The NUP98 gene at 11p15 is known to be fused to DDX10, HOXA9, HOXA11, HOXA13, HOXD11, HOXD13, LEDGF, NSD1, NSD3, PMX1, RAP1GDS1, and TOP1 in various hematologic malignancies. The common theme in all NUP98 chimeras is a transcript consisting of the 5' part of NUP98 and the 3' portion of the partner gene; however, apart from the frequent fusion to different homeobox genes, there is no apparent similarity among the other partners. We here report a de novo acute myeloid leukemia with a t(11;12)(p15;q13), resulting in a novel NUP98/HOXC13 fusion. Fluorescence in situ hybridization analyses, by the use of probes covering NUP98 and the HOXC gene cluster at 12q13, revealed a fusion signal at the der(11)t(11;12), indicating a NUP98/HOXC chimera, whereas no fusion was found on the der(12)t(11;12), suggesting that the translocation was accompanied by a deletion of the reciprocal fusion gene. Reverse transcription-PCR and sequence analyses showed that exon 16 (nucleotide 2290) of NUP98 was fused in-frame with exon 2 (nucleotide 852) of HOXC13. Neither the HOXC13/NUP98 transcript nor the normal HOXC13 was expressed. The present results, together with previous studies of NUP98/homeobox gene fusions, strongly indicate that NUP98/HOXC13 is of pathogenetic importance in t(11;12)-positive acute myeloid leukemia.

Nakao K, Nishino M, Takeuchi K, et al.
Fusion of the nucleoporin gene, NUP98, and the putative RNA helicase gene, DDX10, by inversion 11 (p15q22) chromosome translocation in a patient with etoposide-related myelodysplastic syndrome.
Intern Med. 2000; 39(5):412-5 [PubMed] Related Publications
We report a 50-year-old man who developed therapy-related myelodysplastic syndrome after treatment with etoposide-including chemotherapy for extratesticular germ cell tumor. Chromosomal analysis showed inversion 11 (p15q22) translocation. Reverse transcriptase-polymerase chain reaction amplification of patient RNA showed a fusion transcript of nucleoporin gene NUP98, and putative DEAD-box RNA helicase gene DDX10. NUP98 is implicated in the transformation through aberrant nucleocytoplasmic transport. DDX10 is suggested to be involved in ribosome assembly. The NUP98-DDX10 fusion transcript may promote the development of secondary hematological malignancies caused by DNA-topoisomerase II inhibitors through aberrant nucleocytoplasmic transport and/or alteration in ribosome assembly.

Nishiyama M, Arai Y, Tsunematsu Y, et al.
11p15 translocations involving the NUP98 gene in childhood therapy-related acute myeloid leukemia/myelodysplastic syndrome.
Genes Chromosomes Cancer. 1999; 26(3):215-20 [PubMed] Related Publications
In a survey of childhood therapy-related acute myeloid leukemia/myelodysplastic syndrome (t-AML/MDS) in Japan, we found 11p15 translocations in 5 (6%) of 81 children with t-AML/MDS. t(11;17)(p15;q21), t(11;12)(p15;q13), t(7;11)(p15;p15), inv(11)(p15q22), and add(11)(p15) were each found in one patient. Southern blotting and/or RT-PCR analyses revealed rearrangements of the NUP98 gene in tumor samples of all five patients. Rearrangements of DDX10 were detected in t-AML/MDS cells with inv(11), and rearrangements of HOXA9 were detected in t-AML cells with t(7;11). The 17q21 breakpoint of t(11;17) and the 12q13 breakpoint of t(11;12)(p15;q13) coincided with the loci of the HOXB and HOXC gene families, respectively. Therefore, it is reasonable to speculate that one of the HOXB genes and one of the HOXC genes were fused to NUP98 by t(11;17) and t(11;12), respectively, in t-AML/MDS cells. We propose that NUP98 may be a target gene for t-AML/MDS, and that t-AML/MDS with a fusion of NUP98 and HOX or DDX10 genes may be more frequent in children than in patients of other age groups.

Nakamura T, Yamazaki Y, Hatano Y, Miura I
NUP98 is fused to PMX1 homeobox gene in human acute myelogenous leukemia with chromosome translocation t(1;11)(q23;p15).
Blood. 1999; 94(2):741-7 [PubMed] Related Publications
The nucleoporin gene NUP98 was found fused to the HOXA9, HOXD13, or DDX10 genes in human acute myelogenous leukemia (AML) with chromosome translocations t(7;11)(p15;p15), t(2;11)(q35;p15), or inv(11)(p15;q22), respectively. We report here the fusion between the NUP98 gene and another homeobox gene PMX1 in a case of human AML with a t(1;11)(q23;p15) translocation. The chimeric NUP98-PMX1 transcript was detected; however, there was no reciprocal PMX1-NUP98 fusion transcript. Like the NUP98-HOXA9 fusion, NUP98 and PMX1 were fused in frame and the N-terminal GLFG-rich docking region of the NUP98 and the PMX1 homeodomain were conserved in the NUP98-PMX1 fusion, suggesting that PMX1 homeodomain expression is upregulated and that the fusion protein may act as an oncogenic transcription factor. The fusion to NUP98 results in the addition of the strong transcriptional activation domain located in the N-terminal region of NUP98 to PMX1. These findings suggest that constitutive expression and alteration of the transcriptional activity of the PMX1 homeodomain protein may be critical for myeloid leukemogenesis.

Ikeda T, Ikeda K, Sasaki K, et al.
The inv(11)(p15q22) chromosome translocation of therapy-related myelodysplasia with NUP98-DDX10 and DDX10-NUP98 fusion transcripts.
Int J Hematol. 1999; 69(3):160-4 [PubMed] Related Publications
Chromosomal abnormalities involving the 11p15 or 11q22-23 bands have been reported in several types of human neoplasms including hematopoietic malignancies. The abnormalities are observed in therapy-related malignancies and less frequently in de novo myeloid malignancies. Abnormality of the MLL gene located on chromosome 11q23 has been well known in therapy-related myeloid malignancies, but it has been reported only recently that the inv(11)(p15q22) in de novo or therapy-related myeloid malignancies results in the fusion of NUP98 on chromosome 11p15 and DDX10 on chromosome 11q22. NUP98 is a nucleoporin that composes the nuclear pore complex and is the target gene in leukemia with the t(7;11)(p15;p15). The DDX10 gene encodes a putative adenosine triphosphate-dependent DEAD box RNA helicase. Here we present another patient with acute myelocytic leukemia (M4) transformed from chronic myelomonocytic leukemia with the inv(11) chromosome who had been treated with etoposide for a germ cell tumor. By reverse transcription polymerase chain reaction (RT-PCR) of the RNA from the leukemic cells of the patient, DDX10-NUP98 and NUP98-DDX10 fusion transcripts were detected. Our case confirms that the inv(11) is a rare chromosomal translocation that is associated with therapy-related or de novo myeloid malignancy and involves NUP98 and DDX10 but not MLL. RT-PCR of the fusion transcripts might be applied to the detection of a small number of leukemic cells in the bone marrow or blood of patients in remission or in the cells harvested for autologous transplantation.

Raza-Egilmez SZ, Jani-Sait SN, Grossi M, et al.
NUP98-HOXD13 gene fusion in therapy-related acute myelogenous leukemia.
Cancer Res. 1998; 58(19):4269-73 [PubMed] Related Publications
A novel chromosomal translocation, t(2;11)(q31;p15), was identified in a patient with therapy-related acute myelogenous leukemia (t-AML). Fluorescence in situ hybridization experiments mapped the breakpoint near NUP98; Southern blot analysis demonstrated that the nucleoporin gene NUP98 was disrupted by this translocation. We used rapid amplification of cDNA ends to identify a chimeric mRNA. An in-frame, chimeric mRNA that fused NUP98 sequences to the homeobox gene HOXD13 was cloned; the predicted fusion protein contains both the GLFG repeats from NUP98 as well as the homeodomain from HOXD13. The NUP98-HOXD13 fusion is structurally similar to the NUP98-HOXA9 fusion previously identified in patients with AML, leading to the speculation that NUP98-homeobox gene fusions may be oncogenic. Moreover, this report, along with a recent study that demonstrated NUP98-DDX10 fusions in patients with t-AML, raises the possibility that NUP98 may be a previously unsuspected target for chromosomal translocations in patients with t-AML.

Arai Y, Hosoda F, Kobayashi H, et al.
The inv(11)(p15q22) chromosome translocation of de novo and therapy-related myeloid malignancies results in fusion of the nucleoporin gene, NUP98, with the putative RNA helicase gene, DDX10.
Blood. 1997; 89(11):3936-44 [PubMed] Related Publications
The inv(11)(p15q22) is a recurrent chromosomal abnormality associated with de novo and therapy-related myeloid malignancies. Here we report the molecular definition of this chromosomal aberration in four patients. Positional cloning showed the consistent rearrangement of the DDX10 gene on chromosome 11q22, which encodes a putative RNA helicase. The translocation targets the NUP98 gene on 11p15, a member of the FG peptide repeat nucleoporin family. In DDX10 and NUP98, the inv(11) breakpoints occurred within two introns of each gene and the two genes merged in-frame to produce the chimeric transcripts characteristic of this translocation. Although two reciprocal chimeric products, NUP98-DDX10 and DDX10-NUP98, were predicted, only NUP98-DDX10 appears to be implicated in tumorigenesis. DDX10 is predicted to be involved in ribosome assembly. NUP98 has been identified as a nuclear pore complex protein and a target of chromosomal translocation in acute myeloid leukemia through the t(7;11)(p15;p15) translocation. The predicted NUP98-DDX10 fusion protein may promote leukemogenesis through aberrant nucleoplasmic transport of mRNA or alterations in ribosome assembly.

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Cite this page: Cotterill SJ. DDX10, Cancer Genetics Web: http://www.cancer-genetics.org/DDX10.htm Accessed:

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