免疫球蛋白基因组PPT讲稿.ppt

上传人:石*** 文档编号:87330348 上传时间:2023-04-16 格式:PPT 页数:19 大小:1.64MB
返回 下载 相关 举报
免疫球蛋白基因组PPT讲稿.ppt_第1页
第1页 / 共19页
免疫球蛋白基因组PPT讲稿.ppt_第2页
第2页 / 共19页
点击查看更多>>
资源描述

《免疫球蛋白基因组PPT讲稿.ppt》由会员分享,可在线阅读,更多相关《免疫球蛋白基因组PPT讲稿.ppt(19页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。

1、免疫球蛋白基因组第1页,共19页,编辑于2022年,星期五ImmunoglobulinStructuresHeavy chain and light chain(and)Constant regionClass:IgA,IgD,IgE,IgG and IgMVariable region Antigen binding site第2页,共19页,编辑于2022年,星期五Generation of diversitiesAIDN-Regions第3页,共19页,编辑于2022年,星期五Part 1 Immunoglobulin germline gene repertoire study第4页,

2、共19页,编辑于2022年,星期五IGHV gene repertoireHighly polymorphic226 reported genes and allelic variants104 was reported in error 12 putative new polymorphisms,3 have been sequencedConclusion:The existing IGHV gene repertoire is full of incorrectly reported sequences.第5页,共19页,编辑于2022年,星期五IGKV gene repertoire

3、analysisCompilation of Database Compilation of Database 1863 rearranged IGKV sequences from the EMBL1863 rearranged IGKV sequences from the EMBL 66 germline genes from the IMGT66 germline genes from the IMGTAlignments using Smith-Waterman algorithm.Alignments using Smith-Waterman algorithm.Unreporte

4、d IGKV allelesUnreported IGKV alleles IGKV alleles with low number of unmutated sequences were IGKV alleles with low number of unmutated sequences were collectedcollected Multiple alignmentMultiple alignment Shared mismatchesShared mismatches Sequencing from genomic DNASequencing from genomic DNA第6页

5、,共19页,编辑于2022年,星期五Junction analysis of IGK genes435 low mutation sequences(3 IGKV mutations)were realigned to determine IGKJ genes using V-QUESTVJ gene useageN-Region第7页,共19页,编辑于2022年,星期五第8页,共19页,编辑于2022年,星期五Results5 reported genes may be the result of sequencing 5 reported genes may be the result o

6、f sequencing errorserrorsIGKV1D-13*01 and IGKV1-37*01 may be IGKV1D-13*01 and IGKV1-37*01 may be functional in some individualsfunctional in some individualsUnreported polymorphisms:IGKV1-16*02 and Unreported polymorphisms:IGKV1-16*02 and IGKV2-30*02.IGKV2-30*02.The existing IGKV repertoire is relat

7、ively complete and The existing IGKV repertoire is relatively complete and accurateaccurate第9页,共19页,编辑于2022年,星期五第10页,共19页,编辑于2022年,星期五ConclusionsNot only is there little diversity in the germline genes of Not only is there little diversity in the germline genes of the kappa locus,but little junction

8、al diversity is the kappa locus,but little junctional diversity is generated during the process of gene rearrangement.generated during the process of gene rearrangement.The immunoglobulin gene repertoire can therefore The immunoglobulin gene repertoire can therefore be characterised as having extrao

9、rdinary diversity in be characterised as having extraordinary diversity in the heavy chain,and limited diversity in the light the heavy chain,and limited diversity in the light chain.chain.第11页,共19页,编辑于2022年,星期五Part 2Sequencing immunoglobulin genes from allergic and parasitised individuals第12页,共19页,

10、编辑于2022年,星期五IgE and AllergyNatural function of IgE Parasite infectionsIgE and Allergic diseaseAntigen selection in IgEThe relationship between IgE and IgG4第13页,共19页,编辑于2022年,星期五Understanding IgE mutations in PNGPNG IgE vs PNG IgGOther Factors Exposure to pathogensExposure to pathogens AgeAge第14页,共19

11、页,编辑于2022年,星期五Two QuestionsIs there a higher level of mutation in antibodies of PNG villagers,compared to Australia urban individuals?Are higher numbers of mutations seen in older individuals?第15页,共19页,编辑于2022年,星期五第16页,共19页,编辑于2022年,星期五Sample NameIgEIgGNo.of IgAverage Mutation No.No.of IgAverage Mut

12、ation No.Australia1812.85217.6A000001019.5A0021102418.8A006910.61815.1A007815.600PNG2017.76619.8P002(Old)423620.3P008(Old)1417.11423.1P011(young)211.54618.8第17页,共19页,编辑于2022年,星期五AcknowledgementsAndrew Collins William SewellKatherine JacksonViveka SinghEllie PrattBruno GaetaJeanette VillanuevaJames LazenbyChristine WhittallAngela Higgins第18页,共19页,编辑于2022年,星期五Thank you!第19页,共19页,编辑于2022年,星期五

展开阅读全文
相关资源
相关搜索

当前位置:首页 > 教育专区 > 大学资料

本站为文档C TO C交易模式,本站只提供存储空间、用户上传的文档直接被用户下载,本站只是中间服务平台,本站所有文档下载所得的收益归上传人(含作者)所有。本站仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。若文档所含内容侵犯了您的版权或隐私,请立即通知淘文阁网,我们立即给予删除!客服QQ:136780468 微信:18945177775 电话:18904686070

工信部备案号:黑ICP备15003705号© 2020-2023 www.taowenge.com 淘文阁