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Achondrogenesis type 2 in a newborn with a novel mutation on the COL2A1 gene

机译:在COL2A1基因上具有新出生的新生儿中的衔接性2型

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Achondrogenesis is a group of rare and fatal disorders occurring in approximately one in every 40,000-60,000 newborns. Achondrogenesis is classified in three groups, as Achondrogenesis type 1A (Houston-Harris type or AC-G1A), Achondrogenesis type 1B (Parenti-Fraccaro type or ACG1B) and Achondrogenesis type 2 (Langer-Saldino type or ACG2), depending on clinical and radiological findings. Achondrogenesis Type 2 is a lethal skeletal dysplasia that is typically characterized by short arms and legs, a small chest with short ribs, lung hypoplasia, a prominent forehead, a small chin, and an enlarged abdomen that may accompanied by polydramnios and hydrops. This study contributes to the literature by presenting a patient who was admitted to the Level ?????? Neonatal Intensive Care Unit (NICU), Bursa, Turkey), with extremely short extremities, a small chest, abdominal distention and respiratory distress, who was diagnosed with ACG2. On the COL2A1 gene, genetic analysis with next generation sequencing (NGS), was revealed to have a heterozygous missense variation, c.2546GA, p.Gly849Asp mutation, which is a different genetic variant that has not been previously described in the literature.
机译:AchondRogenesis是一组罕见的,致命的疾病,在每40,000-60,000次新生儿中大约一次发生。在三组中分为三组,作为致病型1A(休斯顿 - 哈里斯型或AC-G1A),取决于临床和患者,AnhondRogense 1B(Harenti-Fraccaro型或ACG1B)和AchondRogensies型2(Langer-Saldino型或ACG2),取决于临床和放射发现。 AchondRogenesis 2型是一种致命的骨骼发育不良,其通常具有短臂和腿的特征,小胸部,带有短的肋骨,肺发育不全,突出的额头,小下巴,并且可以伴有聚律无源和水合物的扩大腹部。本研究通过呈现被录取的水平的患者有助于文献??????新生儿重症监护单位(NICU),Bursa,土耳其),极短的肢体,小胸部,腹胀和呼吸窘迫,被诊断为ACG2。在COL2A1基因中,揭示了下一代测序(NGS)的遗传分析,具有杂合的畸形变异,C.2546G> A,P.Gly849AsP突变,其是尚未在文献中描述的不同遗传变体。

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