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Plasma DNA Profile Associated with DNASE1L3 Gene Mutations: Clinical Observations, Relationships to Nuclease Substrate Preference, and In Vivo Correction 血浆DNA谱与DNASE1L3基因突变相关:临床观察,与核酸酶底物偏好的关系,以及体内校正
IF 9.8 1区 生物学 Q1 GENETICS & HEREDITY Pub Date : 2025-12-11 DOI: 10.1016/j.ajhg.2025.12.003
Rebecca W.Y. Chan, Lee Serpas, Meng Ni, Stefano Volpi, Linda T. Hiraki, Lai-Shan Tam, Ali Rashidfarrokhi, Priscilla C.H. Wong, Lydia H.P. Tam, Yueyang Wang, Peiyong Jiang, Alice S.H. Cheng, Wenlei Peng, Diana S.C. Han, Patty P.P. Tse, Pik Ki Lau, Wing-Shan Lee, Alberto Magnasco, Elisa Buti, Vanja Sisirak, Nora AlMutairi, K.C. Allen Chan, Rossa W.K. Chiu, Boris Reizis, Y.M. Dennis Lo
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引用次数: 0
Improving polygenic risk prediction performance by integrating electronic health records through phenotype embedding. 通过表型嵌入整合电子健康记录提高多基因风险预测性能。
IF 9.8 1区 生物学 Q1 GENETICS & HEREDITY Pub Date : 2025-12-04 DOI: 10.1016/j.ajhg.2025.11.006
Leqi Xu,Wangjie Zheng,Jiaqi Hu,Yingxin Lin,Jia Zhao,Gefei Wang,Tianyu Liu,Hongyu Zhao
Large-scale biobanks provide comprehensive electronic health records (EHRs) that capture detailed clinical phenotypes, potentially enhancing disease prediction. However, traditional polygenic risk score (PRS) methods rely on simplified phenotype definitions or predefined trait sets, limiting their ability to represent the complex structures embedded within EHRs. To address this gap, we introduce EHR-embedding-enhanced PRS (EEPRS), leveraging phenotype embeddings derived from EHRs to improve PRSs using only genome-wide association study (GWAS) summary statistics. Employing embedding methods such as Word2Vec and GPT, we conducted EHR-embedding-based GWASs and identified a cardiovascular cluster via hierarchical clustering of genetic correlations. Across 41 traits in the UK Biobank, EEPRS consistently outperformed single-trait PRSs, particularly within this cluster. PRS-based phenome-wide association studies further demonstrated robust associations between EHR-embedding-based PRS and circulatory system diseases. We then developed EEPRS_optimal, a data-adaptive method that uses cross-validation to select the best embedding, yielding additional improvements. We also developed MTAG_EEPRS for multi-trait PRSs, which further improved prediction accuracy compared to single-trait PRSs and MTAG_PRS. Finally, we validated the benefits of EEPRS in the All of Us cohort for seven selected diseases. Overall, EEPRS represents a robust and interpretable framework, enhancing single-trait and multi-trait PRSs by integrating EHR embeddings.
大规模生物银行提供全面的电子健康记录(EHRs),捕获详细的临床表型,潜在地增强疾病预测。然而,传统的多基因风险评分(PRS)方法依赖于简化的表型定义或预定义的性状集,限制了它们表示电子病历中嵌入的复杂结构的能力。为了解决这一差距,我们引入了ehr嵌入增强PRS (EEPRS),利用来自ehr的表型嵌入来改进PRS,仅使用全基因组关联研究(GWAS)汇总统计。采用Word2Vec和GPT等嵌入方法,进行了基于ehr嵌入的GWASs,并通过遗传相关性的分层聚类确定了心血管类。在英国生物银行的41个性状中,EEPRS的表现一直优于单性状prs,特别是在这个集群中。基于PRS的全现象关联研究进一步表明,基于ehr嵌入的PRS与循环系统疾病之间存在强大的关联。然后,我们开发了EEPRS_optimal,这是一种数据自适应方法,使用交叉验证来选择最佳嵌入,从而产生额外的改进。我们还开发了mtag_epprs,与单性状PRSs和MTAG_PRS相比,进一步提高了多性状PRSs的预测精度。最后,我们在All of Us队列中验证了epprs对7种选定疾病的益处。总体而言,eprs代表了一个强大且可解释的框架,通过集成EHR嵌入来增强单性状和多性状prs。
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引用次数: 0
Functional classification of platelet gene variants using CRISPR HDR in CD34+ cell-derived megakaryocytes. 在CD34+细胞来源的巨核细胞中使用CRISPR HDR对血小板基因变异进行功能分类。
IF 9.8 1区 生物学 Q1 GENETICS & HEREDITY Pub Date : 2025-12-04 DOI: 10.1016/j.ajhg.2025.11.004
Yasuhiro Kosaka,Brandon Lopez,Nina Kishimoto,Shancy Jacob,Emilie Montenont,Rodrigo Huallanca,Graeson Coughenour,Jorge Di Paola,Justyne Ross,Kristy Lee,Matthew T Rondina,Paul F Bray,Jesse W Rowley
The interpretation of genetic variants in inherited diseases, such as inherited platelet disorders (IPDs), remains a major clinical challenge, as most are classified as variants of uncertain significance (VUSs). A key barrier to functional evaluation is the lack of accessible, lineage-appropriate assays that reliably reflect native gene regulation and cell-specific biology. To address this gap, we developed CRIMSON HD (CRISPR-edited megakaryocytes [MKs] for surveying platelet variant functions through homology-directed repair [HDR]), a CRISPR-Cas9 HDR-based genome-editing platform applicable to CD34+ cell-derived blood lineages and optimized for evaluating platelet-associated variants. Using this system, we modeled known and candidate disease-associated variants in integrin alpha 2b (ITGA2B) and integrin beta 3 (ITGB3), which encode the platelet αIIb/β3 integrin and are causative in Glanzmann thrombasthenia (GT). We introduced precise variants into primary human MKs derived from CD34+ hematopoietic stem and progenitor cells, achieving >90% editing efficiency. Edited MKs faithfully recapitulated both expression and functional phenotypes of known type I, II, and III GT variants. CRIMSON HD enabled functional evaluation and reclassification of several GT VUSs, including αIIb Gly201Ala, a population variant now shown to cause near-complete loss of αIIb/β3 expression; αIIb Ala777Asp, which results in intermediate αIIb/β3 expression and impaired agonist-induced integrin binding; and β3 Arg119Gln, previously linked to the loss of anti-HPA1a antibody binding in fetal and neonatal alloimmune thrombocytopenia (FNAIT), now shown to impair integrin surface expression. These findings demonstrate the importance of lineage-specific, physiologically relevant assays for the functional classification of platelet-related variants, providing mechanistic information and clinically meaningful insights for individuals with IPDs.
遗传性疾病(如遗传性血小板疾病(IPDs))的遗传变异的解释仍然是一个主要的临床挑战,因为大多数被归类为不确定意义的变异(VUSs)。功能评估的一个关键障碍是缺乏可获得的、适合谱系的、可靠地反映天然基因调控和细胞特异性生物学的检测方法。为了解决这一差距,我们开发了CRIMSON HD (crispr编辑的巨核细胞[mk],用于通过同源定向修复[HDR]调查血小板变异功能),这是一种基于CRISPR-Cas9 HDR的基因组编辑平台,适用于CD34+细胞衍生的血液谱系,并优化了评估血小板相关变异。利用该系统,我们模拟了已知和候选的整合素α 2b (ITGA2B)和整合素β3 (ITGB3)的疾病相关变异,它们编码血小板αIIb/β3整合素,并导致Glanzmann血栓性贫血(GT)。我们将精确的变体引入来自CD34+造血干细胞和祖细胞的原代人mk中,实现了约90%的编辑效率。编辑mk忠实地概括了已知的I型,II型和III型GT变体的表达和功能表型。CRIMSON HD能够对几种GT VUSs进行功能评估和重新分类,包括αIIb Gly201Ala,这是一种种群变异,现在被证明会导致αIIb/β3表达几乎完全丧失;αIIb Ala777Asp,导致αIIb/β3的中间表达和受体激动剂诱导的整合素结合受损;和β3 Arg119Gln,先前与胎儿和新生儿同种免疫血小板减少症(FNAIT)中抗hpa1a抗体结合的丧失有关,现在显示损害整合素表面表达。这些发现证明了谱系特异性、生理学相关的检测对于血小板相关变异的功能分类的重要性,为ipd患者提供了机制信息和有临床意义的见解。
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引用次数: 0
Transitions in interesting times. 在有趣的时间过渡。
IF 8.1 1区 生物学 Q1 GENETICS & HEREDITY Pub Date : 2025-12-04 DOI: 10.1016/j.ajhg.2025.10.009
Bruce R Korf
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引用次数: 0
This month in The Journal 本月的《华尔街日报》
IF 9.8 1区 生物学 Q1 GENETICS & HEREDITY Pub Date : 2025-12-04 DOI: 10.1016/j.ajhg.2025.11.005
Paul W. Hook, Alyson B. Barnes
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引用次数: 0
Genomic medicine year in review: 2025. 基因组医学回顾:2025年。
IF 8.1 1区 生物学 Q1 GENETICS & HEREDITY Pub Date : 2025-12-04 DOI: 10.1016/j.ajhg.2025.11.001
Teri A Manolio, Alauna Rupert, Jahnavi Narula, Carol J Bult, Rex L Chisholm, Geoffrey S Ginsburg, Gillian W Hooker, Gail P Jarvik, George A Mensah, Dan M Roden, Robb Rowley, Casey Overby Taylor, Simona Volpi, Marc S Williams
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引用次数: 0
Palindrome-mediated 16p13.3 triplications cause a recognizable neurodegenerative disorder with ataxia. 回文介导的16p13.3重复引起可识别的神经退行性疾病伴共济失调。
IF 9.8 1区 生物学 Q1 GENETICS & HEREDITY Pub Date : 2025-12-04 DOI: 10.1016/j.ajhg.2025.11.011
James Fasham,Julia Rankin,Rachel Schot,Susan M White,Katrina M Bell,Matthew N Wakeling,Lucy J Mallin,Alex Shah,Michelle G de Silva,David I Francis,Maie Walsh,Emily E Jones,Kayal Vijayakumar,Katie Johnson,Francis H Sansbury,Johann Te Water Naudé,Paola Giunti,Marios Hadjivassiliou,Andrea H Nemeth,George K Tofaris,Carlo Rinaldi,Benito Banos-Pinero,Marianna Selikhva,Nishanka Ubeyratna,Anneke Kievit,Frank Sleutels,Joey van Giessen,Tahsin Stefan Barakat,Timothy S Hall,Alan Whone,Eleanor Thomas,Joseph S Leslie,Rosemary A Bamford,Aaron R Jeffries,Jenny Lord,Susan Walker,Tjakko J van Ham,Sue L Hill,Lucy McGavin,Andrew Parrish,Andrew H Crosby,Emma L Baple,Alistair T Pagnamenta
Complex neurodegenerative conditions have occasionally been associated with copy-number gains. Using microarray and genome sequencing on DNA samples from eleven individuals from nine unrelated families, we show that copy-number gains at 16p13.3 cause a severe, recognizable disorder characterized by early-onset progressive ataxia and cognitive decline (9-32 years). Most affected individuals also displayed peripheral neuropathy and scoliosis. Optic atrophy, nystagmus, and dystonia were more variable features. The neuroradiological phenotype comprises a distinctive combination of atrophy of the cerebellum and caudate nuclei. Co-segregation data showed that the structural variant (SV) had occurred de novo in 5 individuals and, for one other individual, had been inherited from a mosaic, unaffected parent. Triplicated segments of 16p13.3 were identified within the duplications. Although these varied in size (30-811 kb), the minimal region of overlap included a single gene (ATP6V0C) that is highly expressed in the cerebellum. RNA sequencing (RNA-seq) using whole-blood and fibroblast/lymphoblast cultures indicated increased expression of several genes within the SV, with ATP6V0C showing the most significant increase (up to 4-fold). In most cases, the central segment of the SV was proven to be inverted and lay immediately distal to a 144 kb palindrome. Across 500,000 individuals from the UK Biobank, we identified 19 duplications but no triplications at this locus. Further analysis of the consequences of ATP6V0C overexpression on the stoichiometry within the vacuolar H+-ATPase heteromer and on neurological function will provide valuable pathomechanistic insights. Together, our findings define palindrome-mediated triplication on 16p13.3 as the cause of a clinically distinct childhood-onset neurodegenerative disorder.
复杂的神经退行性疾病有时与拷贝数增加有关。通过对来自9个不相关家族的11个个体的DNA样本进行微阵列和基因组测序,我们发现16p13.3拷贝数增加导致了一种严重的、可识别的疾病,其特征是早发性进行性共济失调和认知能力下降(9-32岁)。大多数受影响的个体还表现出周围神经病变和脊柱侧凸。视萎缩、眼球震颤和肌张力障碍是更多的可变特征。神经放射学表型包括小脑和尾状核萎缩的独特组合。共分离数据显示,结构变异(SV)在5个个体中从头发生,另一个个体从未受影响的马赛克亲本遗传而来。在重复序列中鉴定出16p13.3的三倍片段。尽管它们的大小不同(30-811 kb),但最小的重叠区域包括一个在小脑中高度表达的单一基因(ATP6V0C)。使用全血和成纤维细胞/淋巴细胞培养的RNA测序(RNA-seq)显示SV内几种基因的表达增加,其中ATP6V0C的表达最显著(高达4倍)。在大多数情况下,SV的中心节段被证明是倒置的,并位于144 kb回文的远端。在英国生物银行的50万人中,我们在这个位点发现了19个重复,但没有重复。进一步分析ATP6V0C过表达对液泡内H+- atp酶异聚体的化学计量和神经功能的影响将提供有价值的病理机制见解。总之,我们的研究结果确定了回文介导的16p13.3的三倍是临床明显的儿童期发病神经退行性疾病的原因。
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引用次数: 0
Liver single-nucleus multiome profiling reveals cell-type mechanisms for cardiometabolic traits 肝脏单核多组分析揭示了心脏代谢特征的细胞型机制
IF 9.8 1区 生物学 Q1 GENETICS & HEREDITY Pub Date : 2025-12-02 DOI: 10.1016/j.ajhg.2025.11.009
Abdalla A. Alkhawaja, Kevin W. Currin, Hannah J. Perrin, Swarooparani Vadlamudi, Amy S. Etheridge, K. Alaine Broadaway, Gabrielle H. Cannon, Carlton W. Anderson, Anne H. Moxley, Alina C. Iuga, Erin G. Schuetz, Federico Innocenti, Terrence S. Furey, Karen L. Mohlke
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引用次数: 0
Large-scale integration of omics and electronic health records to identify potential risk protein biomarkers and therapeutic drugs for cancer prevention 大规模整合组学和电子健康记录,以识别潜在的风险蛋白生物标志物和癌症预防治疗药物
IF 9.8 1区 生物学 Q1 GENETICS & HEREDITY Pub Date : 2025-12-02 DOI: 10.1016/j.ajhg.2025.11.008
Qing Li, Qingyuan Song, Zhishan Chen, Jungyoon Choi, Victor Moreno, Jie Ping, Wanqing Wen, Chao Li, Xiang Shu, Jun Yan, Xiao-ou Shu, Qiuyin Cai, Jirong Long, Jeroen R. Huyghe, Rish Pai, Stephen B. Gruber, Yaohua Yang, Graham Casey, Xusheng Wang, Adetunji T. Toriola, Li Li, Bhuminder Singh, Ken S. Lau, Li Zhou, Zichen Zhang, Chong Wu, Ulrike Peters, Wei Zheng, Quan Long, Zhijun Yin, Xingyi Guo
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引用次数: 0
Interpreting the functional impact of genetic variants: The need for context qualifiers. 解释遗传变异的功能影响:对上下文限定符的需要。
IF 9.8 1区 生物学 Q1 GENETICS & HEREDITY Pub Date : 2025-12-01 DOI: 10.1016/j.ajhg.2025.11.007
Simone Martinelli,Hélène Cavé,Alessandro De Luca,Marina DiStefano,Rachel Karchin,Ana Clara Lugones,Anne O'Donnell-Luria,Deborah I Ritter,David Tamborero,Michael Y Tolstorukov,Paulo Vidal Campregher,Marco Tartaglia,Dmitriy Sonkin
Genetic alterations influence biological function through a variety of molecular mechanisms. While common functional descriptions (such as loss of function and gain of function) are useful, they may fail to capture mechanistic complexity, particularly in cases of pleiotropy and context-dependent variant effects. To improve variant interpretation and classification, we propose a framework incorporating "context qualifiers" to address mechanistic specificity. This perspective explores the limitations of common functional descriptors and discusses the criteria needed to implement context qualifiers in variant interpretation frameworks to enhance precision medicine applications.
遗传改变通过多种分子机制影响生物功能。虽然常见的功能描述(如功能丧失和功能获得)是有用的,但它们可能无法捕捉到机制的复杂性,特别是在多效性和上下文相关的变异效应的情况下。为了改进变体的解释和分类,我们提出了一个包含“上下文限定符”的框架来解决机制特异性。这一观点探讨了通用功能描述符的局限性,并讨论了在不同的解释框架中实现上下文限定符以增强精准医学应用所需的标准。
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引用次数: 0
期刊
American journal of human genetics
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