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FLNA基因变异所致Melnick-Needles综合征胎儿1例的临床特征及遗传学分析
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作者 邹竞慧 张宜生 +3 位作者 刘燕 薛爱娇 闫露露 李海波 《中华医学遗传学杂志》 CAS CSCD 2023年第5期582-587,共6页
目的探讨1例Melnick-Needles综合征(MNS)胎儿的临床及遗传学特征。方法选取2020年11月至宁波市妇女儿童医院确诊的1例MNS胎儿为研究对象。采集胎儿的临床资料,应用家系全外显子组测序(trio-WES)对胎儿及其父母进行致病性变异筛选,对候... 目的探讨1例Melnick-Needles综合征(MNS)胎儿的临床及遗传学特征。方法选取2020年11月至宁波市妇女儿童医院确诊的1例MNS胎儿为研究对象。采集胎儿的临床资料,应用家系全外显子组测序(trio-WES)对胎儿及其父母进行致病性变异筛选,对候选变异进行Sanger测序家系验证。结果产前超声提示胎儿偏小、双侧股骨弯曲、脐膨出、单脐动脉,合并羊水过少。Trio-WES发现其携带FLNA基因c.3562G>A(p.A1188T)半合子错义变异,Sanger测序验证为母源性,胎儿父亲该位点为野生型。根据美国医学遗传学与基因组学学会(ACMG)相关指南,评估为可能致病性变异(PS4+PM2Supporting+PP3+PP4)。结论FLNA基因c.3562G>A(p.A1188T)半合子变异可能为该MNS胎儿的遗传学病因。基因诊断有助于MNS的精准诊断,可为家系遗传咨询和再生育提供依据。 展开更多
关键词 melnick-needles综合征 FLNA基因 全外显子组测序 错义变异 胎儿
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Melnick Needles Syndrome: Computed Imaging and Management Difficulties
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作者 Soré Moussa Zanga Dominique Bicaba +6 位作者 Kisito Nagalo Sounkalo Guibou Konané Aïscha Madina Napon Zakari Nikiéma Ousséini Diallo Léonie Claudine Sorgho/Lougué Rabiou Cissé 《Open Journal of Radiology》 2023年第3期146-154,共9页
Melnick-Needles syndrome is an osteo-dysplasia caused by a mutation of a gene, FLNA, coding for filamine A. It is at the origin of a set of complex congenital malformations, mainly of interest to the members, but also... Melnick-Needles syndrome is an osteo-dysplasia caused by a mutation of a gene, FLNA, coding for filamine A. It is at the origin of a set of complex congenital malformations, mainly of interest to the members, but also to the cranio-facial region. Melnick-Needles syndrome was first described in 1966 by two Americans John Melnick, a radiologist, and Carl F Needles, a pediatrician. They described cases of families of several generations who had a characteristic severe congenital bone disorder. They thought that human-to-human transmission had occurred in one case. We report a case of Melnick-Needles syndrome which is a pathology with very high mortality especially in a male subject. This was an observational study of a case received in consultation with the pediatric service of the Souro Sanou University Hospital Center in Bobo Dioulasso in Burkina Faso. It was a 3-year-old boy born in a low-term pregnancy without any prenatal consultation, imaging test and prenatal biology performed. The exact pathogenesis of this condition is not established but is linked to a mutation of the Filamine A gene linked to sexual chromosomes X. Pathology is rare, around a hundred cases have been reported worldwide. Its incidence, according to the literature is around 1/100,000. The sex ratio is at 7. The malformations of this acquired embryo-fetopathy are multiple, polymorphic and asymmetrical. The diagnosis of this pathology is suspected by the clinic and established by molecular biology by sequencing the genes responsible for the mutation. However, imagery, in particular the scanner has a major role by its protocol with multi-planar reconstructions and its analysis in double windowing which allow a better description of the malformations of this syndrome. Its management is complex, and multidisciplinary, and the unfortunate prognosis in our context is because of the precarious technical platform. In our case despite the obvious malformations presented by the patient, the parents consulted late in a health center because of the automation and especially the socio-cultural constraints which incriminate this type of polymalformation as being a curse. The patient underwent abdominal surgery and even the operating procedures were simple, he died four months after leaving the hospital, due to an unspecified cause. 展开更多
关键词 melnick-needles Syndrome Polymaformation TDM Burkina Faso
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