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排序方式: 共有254条查询结果,搜索用时 40 毫秒
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Paul Kruszka Tommy Hu Sungkook Hong Rebecca Signer Benjamin Cogné Betrand Isidor Sarah E. Mazzola Jacques C. Giltay Koen L. I. van Gassen Eleina M. England Lynn Pais Charlotte W. Ockeloen Pedro A. Sanchez‐Lara Esther Kinning Darius J. Adams Kayla Treat Wilfredo Torres‐Martinez Maria F. Bedeschi Maria Iascone Stephanie Blaney Oliver Bell Tiong Y. Tan Marie‐Ange Delrue Julie Jurgens Brenda J. Barry Elizabeth C. Engle Sarah K. Savage Nicole Fleischer Julian A. Martinez‐Agosto Kym Boycott Elaine H. Zackai Maximilian Muenke 《American journal of medical genetics. Part A》2019,179(10):2075-2082
Zinc finger protein 462 (ZNF462) is a relatively newly discovered vertebrate specific protein with known critical roles in embryonic development in animal models. Two case reports and a case series study have described the phenotype of 10 individuals with ZNF462 loss of function variants. Herein, we present 14 new individuals with loss of function variants to the previous studies to delineate the syndrome of loss of function in ZNF462. Collectively, these 24 individuals present with recurring phenotypes that define a multiple congenital anomaly syndrome. Most have some form of developmental delay (79%) and a minority has autism spectrum disorder (33%). Characteristic facial features include ptosis (83%), down slanting palpebral fissures (58%), exaggerated Cupid's bow/wide philtrum (54%), and arched eyebrows (50%). Metopic ridging or craniosynostosis was found in a third of study participants and feeding problems in half. Other phenotype characteristics include dysgenesis of the corpus callosum in 25% of individuals, hypotonia in half, and structural heart defects in 21%. Using facial analysis technology, a computer algorithm applying deep learning was able to accurately differentiate individuals with ZNF462 loss of function variants from individuals with Noonan syndrome and healthy controls. In summary, we describe a multiple congenital anomaly syndrome associated with haploinsufficiency of ZNF462 that has distinct clinical characteristics and facial features. 相似文献
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A CGG‐Repeat Expansion Mutation in ZNF713 Causes FRA7A: Association with Autistic Spectrum Disorder in Two Families 下载免费PDF全文
Sofie Metsu Jacqueline K. Rainger Kim Debacker Birgitta Bernhard Liesbeth Rooms Daria Grafodatskaya Rosanna Weksberg Eric Fombonne Martin S. Taylor Stephen W. Scherer R. Frank Kooy David R. FitzPatrick 《Human mutation》2014,35(11):1295-1300
We report de novo occurrence of the 7p11.2 folate‐sensitive fragile site FRA7A in a male with an autistic spectrum disorder (ASD) due to a CGG‐repeat expansion mutation (~450 repeats) in a 5′ intron of ZNF713. This expanded allele showed hypermethylation of the adjacent CpG island with reduced ZNF713 expression observed in a proband‐derived lymphoblastoid cell line (LCL). His unaffected mother carried an unmethylated premutation (85 repeats). This CGG‐repeat showed length polymorphism in control samples (five to 22 repeats). In a second unrelated family, three siblings with ASD and their unaffected father were found to carry FRA7A premutations, which were partially or mosaically methylated. In one of the affected siblings, mitotic instability of the premutation was observed. ZNF713 expression in LCLs in this family was increased in three of these four premutation carriers. A firm link cannot yet be established between ASD and the repeat expansion mutation but plausible pathogenic mechanisms are discussed. 相似文献
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T O'Donoghue D W Morris C Fahey A Da Costa S Moore E Cummings G Leicht S Karch D Hoerold D Tropea J J Foxe M Gill A Corvin G Donohoe 《Translational psychiatry》2014,4(1):e345
The common variant rs1344706 within the zinc-finger protein gene ZNF804A has been strongly implicated in schizophrenia (SZ) susceptibility by a series of recent genetic association studies. Although associated with a pattern of altered neural connectivity, evidence that increased risk is mediated by an effect on cognitive deficits associated with the disorder has been equivocal. This study investigated whether the same ZNF804A risk allele was associated with variation in the P300 auditory-evoked response, a cognitively relevant putative endophenotype for SZ. We compared P300 responses in carriers and noncarriers of the ZNF804A risk allele genotype groups in Irish patients and controls (n=97). P300 response was observed to vary according to genotype in this sample, such that risk allele carriers showed relatively higher P300 response compared with noncarriers. This finding accords with behavioural data reported by our group and others. It is also consistent with the idea that ZNF804A may have an impact on cortical efficiency, reflected in the higher levels of activations required to achieve comparable behavioural accuracy on the task used. 相似文献
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