5268bcad83b7fa536dae2fb4ccb64fe4 pmc_9487589.pdf 353b1c2fea76e90e0d62fbd539d5466997fa3e66 pmc_9487589.pdf d4e591705ce07fdf2829480d6e2e448510ec44ee29a55efd127853d580626f96 pmc_9487589.pdf Title: IgIDivA: immunoglobulin intraclonal diversification analysis Subject: AcademicSubjects/SCI01060, DOI: 10.1093/bib/bbac349, Briefings in Bioinformatics, 23(5), 5, 8 3 2022. Abstract: Intraclonal diversification (ID) within the immunoglobulin (IG) genes expressed by B cell clones arises due to ongoing somatic hypermutation (SHM) in a context of continuous interactions with antigen(s). Defining the nature and order of appearance of SHMs in the IG genes can assist in improved understanding of the ID process, shedding light into the ontogeny and evolution of B cell clones in health and disease. Such endeavor is empowered thanks to the introduction of high-throughput sequencing in the study of IG gene repertoires. However, few existing tools allow the identification, quantification and characterization of SHMs related to ID, all of which have limitations in their analysis, highlighting the need for developing a purpose-built tool for the comprehensive analysis of the ID process. In this work, we present the immunoglobulin intraclonal diversification analysis (IgIDivA) tool, a novel methodology for the in-depth qualitative and quantitative analysis of the ID process from high-throughput sequencing data. IgIDivA identifies and characterizes SHMs that occur within the variable domain of the rearranged IG genes and studies in detail the connections between identified SHMs, establishing mutational pathways. Moreover, it combines established and new graph-based metrics for the objective determination of ID level, combined with statistical analysis for the comparison of ID level features for different groups of samples. Of importance, IgIDivA also provides detailed visualizations of ID through the generation of purpose-built graph networks. Beyond the method design, IgIDivA has been also implemented as an R Shiny web application. IgIDivA is freely available at Keywords: Author: Creator: LaTeX with hyperref package Producer: Acrobat Distiller 22.0 (Windows) CreationDate: Sat Sep 17 06:18:35 2022 CEST ModDate: Sat Sep 17 06:18:35 2022 CEST Tagged: yes UserProperties: no Suspects: no Form: none JavaScript: no Pages: 11 Encrypted: no Page size: 595.289 x 782.365 pts Page rot: 0 File size: 1072736 bytes Optimized: yes PDF version: 1.7 name type encoding emb sub uni object ID ------------------------------------ ----------------- ---------------- --- --- --- --------- KJIELF+CaeciliaLTStd-Bold Type 1C Custom yes yes yes 1501 0 KJIEMG+CaeciliaLTStd-Light Type 1C Custom yes yes yes 1502 0 KJIFAF+CaeciliaLTStd-Roman Type 1C Custom yes yes yes 1503 0 KJIFFE+CaeciliaLTStd-Italic Type 1C Custom yes yes yes 1504 0 KJIGCA+MTSYN Type 1C Custom yes yes yes 1505 0 KJIGCB+CaeciliaLTStd-Heavy Type 1C Custom yes yes yes 1506 0 KJIICG+CaeciliaLTStd-LightItalic Type 1C Custom yes yes yes 57 0 KJIKPG+MTMI Type 1C Custom yes yes yes 58 0 Jhove (Rel. 1.22.1, 2019-04-17) Date: 2023-07-07 02:39:20 CEST RepresentationInformation: pmc_9487589.pdf ReportingModule: PDF-hul, Rel. 1.12.1 (2019-04-17) LastModified: 2022-10-10 02:26:22 CEST Size: 1072736 Format: PDF Version: 1.7 Status: Well-Formed, but not valid SignatureMatches: PDF-hul ID: PDF-HUL-122 ErrorMessage: edu.harvard.hul.ois.jhove.module.pdf.PdfInvalidException: Invalid indirect destination - referenced object 'myrefsref20' cannot be found Offset: 935184 ID: PDF-HUL-122 ErrorMessage: edu.harvard.hul.ois.jhove.module.pdf.PdfInvalidException: Invalid indirect destination - referenced object 'myrefsref21' cannot be found Offset: 935184 ID: PDF-HUL-122 ErrorMessage: edu.harvard.hul.ois.jhove.module.pdf.PdfInvalidException: Invalid indirect destination - referenced object 'myrefsref24' cannot be found Offset: 935184 ID: PDF-HUL-122 ErrorMessage: edu.harvard.hul.ois.jhove.module.pdf.PdfInvalidException: Invalid indirect destination - referenced object 'myrefsref25' cannot be found Offset: 935184 ID: PDF-HUL-122 ErrorMessage: edu.harvard.hul.ois.jhove.module.pdf.PdfInvalidException: Invalid indirect destination - referenced object 'myrefsref26' cannot be found Offset: 935184 ID: PDF-HUL-122 ErrorMessage: edu.harvard.hul.ois.jhove.module.pdf.PdfInvalidException: Invalid indirect destination - referenced object 'myrefsref27' cannot be found Offset: 935184 ID: PDF-HUL-122 ErrorMessage: edu.harvard.hul.ois.jhove.module.pdf.PdfInvalidException: Invalid indirect destination - referenced object 'myrefsref50' cannot be found Offset: 935184 ID: PDF-HUL-122 ErrorMessage: edu.harvard.hul.ois.jhove.module.pdf.PdfInvalidException: Invalid indirect destination - referenced object 'myrefsref51' cannot be found Offset: 935184 MIMEtype: application/pdf Profile: Linearized PDF PDFMetadata: Objects: 1541 FreeObjects: 1 IncrementalUpdates: 1 DocumentCatalog: ViewerPreferences: HideToolbar: false HideMenubar: false HideWindowUI: false FitWindow: true CenterWindow: false DisplayDocTitle: true NonFullScreenPageMode: UseNone Direction: L2R ViewArea: CropBox ViewClip: CropBox PrintArea: CropBox PageClip: CropBox PageLayout: SinglePage PageMode: UseOutlines Language: en Outlines: Item: Title: IgIDivA: immunoglobulin intraclonal diversification analysis Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@6a1aab78 Children: Item: Title: Introduction Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@462d5aee Item: Title: Materials and methods Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@69b0fd6f Item: Title: Results and discussion Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@757942a1 Item: Title: Conclusions Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@4a87761d Item: Title: Key Points Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@66d1af89 Item: Title: Data availability Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@8646db9 Item: Title: Acknowledgements Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@37374a5e Item: Title: Funding Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@4671e53b Info: Title: IgIDivA: immunoglobulin intraclonal diversification analysis Author: Subject: AcademicSubjects/SCI01060, DOI: 10.1093/bib/bbac349, Briefings in Bioinformatics, 23(5), 5, 8 3 2022. Abstract: Intraclonal diversification (ID) within the immunoglobulin (IG) genes expressed by B cell clones arises due to ongoing somatic hypermutation (SHM) in a context of continuous interactions with antigen(s). Defining the nature and order of appearance of SHMs in the IG genes can assist in improved understanding of the ID process, shedding light into the ontogeny and evolution of B cell clones in health and disease. Such endeavor is empowered thanks to the introduction of high-throughput sequencing in the study of IG gene repertoires. However, few existing tools allow the identification, quantification and characterization of SHMs related to ID, all of which have limitations in their analysis, highlighting the need for developing a purpose-built tool for the comprehensive analysis of the ID process. In this work, we present the immunoglobulin intraclonal diversification analysis (IgIDivA) tool, a novel methodology for the in-depth qualitative and quantitative analysis of the ID process from high-throughput sequencing data. IgIDivA identifies and characterizes SHMs that occur within the variable domain of the rearranged IG genes and studies in detail the connections between identified SHMs, establishing mutational pathways. Moreover, it combines established and new graph-based metrics for the objective determination of ID level, combined with statistical analysis for the comparison of ID level features for different groups of samples. Of importance, IgIDivA also provides detailed visualizations of ID through the generation of purpose-built graph networks. Beyond the method design, IgIDivA has been also implemented as an R Shiny web application. IgIDivA is freely available at Keywords: Creator: LaTeX with hyperref package Producer: Acrobat Distiller 22.0 (Windows) CreationDate: Sat Sep 17 06:48:35 CEST 2022 ModDate: Sat Sep 17 06:48:35 CEST 2022 ID: 0xa85fd0ea853dff4c9530fe34aa11b8f5, 0xfe27d3c4b1bcc436baf5cdb53c355fdf Filters: FilterPipeline: FlateDecode FilterPipeline: DCTDecode Images: Image: NisoImageMetadata: FormatName: image/jpg CompressionScheme: JPEG ImageWidth: 2000 ImageHeight: 940 ColorSpace: RGB BitsPerSample: 8 BitsPerSampleUnit: integer Image: NisoImageMetadata: FormatName: image/jpg CompressionScheme: JPEG ImageWidth: 1840 ImageHeight: 1449 ColorSpace: RGB BitsPerSample: 8 BitsPerSampleUnit: integer Image: NisoImageMetadata: FormatName: image/jpg CompressionScheme: JPEG ImageWidth: 2050 ImageHeight: 1466 ColorSpace: RGB BitsPerSample: 8 BitsPerSampleUnit: integer Image: NisoImageMetadata: FormatName: image/jpg CompressionScheme: JPEG ImageWidth: 2048 ImageHeight: 1092 ColorSpace: RGB BitsPerSample: 8 BitsPerSampleUnit: integer Fonts: Type1: Font: BaseFont: KJIFFE+CaeciliaLTStd-Italic FontSubset: true FirstChar: 45 LastChar: 122 FontDescriptor: FontName: KJIFFE+CaeciliaLTStd-Italic Flags: Serif, Symbolic, Italic FontBBox: -166, -270, 1053, 915 FontFile3: true EncodingDictionary: Differences: true ToUnicode: true Font: BaseFont: KJIGCA+MTSYN FontSubset: true FirstChar: 2 LastChar: 138 FontDescriptor: FontName: KJIGCA+MTSYN Flags: Symbolic FontBBox: 0, -954, 1043, 900 FontFile3: true EncodingDictionary: Differences: true ToUnicode: true Font: BaseFont: KJIGCB+CaeciliaLTStd-Heavy FontSubset: true FirstChar: 46 LastChar: 124 FontDescriptor: FontName: KJIGCB+CaeciliaLTStd-Heavy Flags: Serif, Symbolic, ForceBold FontBBox: -170, -277, 1146, 970 FontFile3: true EncodingDictionary: Differences: true ToUnicode: true Font: BaseFont: KJIICG+CaeciliaLTStd-LightItalic FontSubset: true FirstChar: 44 LastChar: 121 FontDescriptor: FontName: KJIICG+CaeciliaLTStd-LightItalic Flags: Serif, Symbolic, Italic FontBBox: -166, -267, 1033, 909 FontFile3: true EncodingDictionary: Differences: true ToUnicode: true Font: BaseFont: KJIKPG+MTMI FontSubset: true FirstChar: 60 LastChar: 62 FontDescriptor: FontName: KJIKPG+MTMI Flags: Serif, Symbolic, Italic FontBBox: 0, -213, 987, 680 FontFile3: true EncodingDictionary: Differences: true ToUnicode: true Font: BaseFont: KJIELF+CaeciliaLTStd-Bold FontSubset: true FirstChar: 35 LastChar: 122 FontDescriptor: FontName: KJIELF+CaeciliaLTStd-Bold Flags: Serif, Symbolic, ForceBold FontBBox: -166, -273, 1141, 938 FontFile3: true EncodingDictionary: Differences: true ToUnicode: true Font: BaseFont: KJIEMG+CaeciliaLTStd-Light FontSubset: true FirstChar: 35 LastChar: 252 FontDescriptor: FontName: KJIEMG+CaeciliaLTStd-Light Flags: Serif, Symbolic FontBBox: -164, -266, 1130, 908 FontFile3: true EncodingDictionary: Differences: true ToUnicode: true Font: BaseFont: KJIFAF+CaeciliaLTStd-Roman FontSubset: true FirstChar: 40 LastChar: 169 FontDescriptor: FontName: KJIFAF+CaeciliaLTStd-Roman Flags: Serif, Symbolic FontBBox: -167, -270, 1136, 926 FontFile3: true EncodingDictionary: Differences: true ToUnicode: true XMP: application/pdf IgIDivA: immunoglobulin intraclonal diversification analysis Zaragoza-Infante LauraJunet ValentinPechlivanis NikosFragkouli Styliani-ChristinaAmprachamian SerovpeKoletsa TriantafylliaChatzidimitriou AnastasiaPapaioannou MariaStamatopoulos KostasAgathangelidis AndreasPsomopoulos Fotis AcademicSubjects/SCI01060, DOI: 10.1093/bib/bbac349, Briefings in Bioinformatics, 23(5), 5, 8 3 2022. Abstract: Intraclonal diversification (ID) within the immunoglobulin (IG) genes expressed by B cell clones arises due to ongoing somatic hypermutation (SHM) in a context of continuous interactions with antigen(s). Defining the nature and order of appearance of SHMs in the IG genes can assist in improved understanding of the ID process, shedding light into the ontogeny and evolution of B cell clones in health and disease. Such endeavor is empowered thanks to the introduction of high-throughput sequencing in the study of IG gene repertoires. However, few existing tools allow the identification, quantification and characterization of SHMs related to ID, all of which have limitations in their analysis, highlighting the need for developing a purpose-built tool for the comprehensive analysis of the ID process. In this work, we present the immunoglobulin intraclonal diversification analysis (IgIDivA) tool, a novel methodology for the in-depth qualitative and quantitative analysis of the ID process from high-throughput sequencing data. IgIDivA identifies and characterizes SHMs that occur within the variable domain of the rearranged IG genes and studies in detail the connections between identified SHMs, establishing mutational pathways. Moreover, it combines established and new graph-based metrics for the objective determination of ID level, combined with statistical analysis for the comparison of ID level features for different groups of samples. Of importance, IgIDivA also provides detailed visualizations of ID through the generation of purpose-built graph networks. Beyond the method design, IgIDivA has been also implemented as an R Shiny web application. IgIDivA is freely available at intraclonal diversificationB cell receptor immunoglobulinhigh-throughput sequencinggraph networksgraph metrics © The Author(s) 2022. Published by Oxford University Press. 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