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Generation of an induced pluripotent stem cell line NCHi003-A from a 11-year-old male with pulmonary atresia with intact ventricular septum (PA-IVS).

ABSTRACT: Pulmonary atresia with intact ventricular septum (PA-IVS) is a rare congenital heart defect defined by membranous or muscular atresia of the right ventricular outflow tract where patients display varying degrees of hypoplasia of the right ventricle. This condition results in cyanosis due to an inability of blood to flow from the right ventricle to the pulmonary arteries, thus requiring immediate surgical intervention after birth. An iPSC line was generated from peripheral blood mononuclear cells of a 11-year-old male patient diagnosed with PA-IVS through Sendai virus-mediated reprogramming. This disease-specific iPSC line was characterized by immunocytochemistry, STR analysis, karyotype analysis, and mycoplasma testing.

SUBMITTER: Contreras J

PROVIDER: S-EPMC9629876 | biostudies-literature | 2022 Oct

REPOSITORIES: biostudies-literature

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Generation of an induced pluripotent stem cell line NCHi003-A from a 11-year-old male with pulmonary atresia with intact ventricular septum (PA-IVS).

Contreras Javier J Alonzo Matthew M Ye Shiqiao S Lin Hui H Hernandez-Rosario Lumariz L McBride Kim L KL Texter Karen K Garg Vidu V Zhao Ming-Tao MT

Stem cell research 20220810

Pulmonary atresia with intact ventricular septum (PA-IVS) is a rare congenital heart defect defined by membranous or muscular atresia of the right ventricular outflow tract where patients display varying degrees of hypoplasia of the right ventricle. This condition results in cyanosis due to an inability of blood to flow from the right ventricle to the pulmonary arteries, thus requiring immediate surgical intervention after birth. An iPSC line was generated from peripheral blood mononuclear cells ...[more]

PMID: 35987120

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Project description:OBJECTIVE:To assess the immediate effects of fetal pulmonary valvuloplasty on right ventricular (RV) size and function as well as in-utero RV growth and postnatal outcome. METHODS:Patients with pulmonary atresia with intact ventricular septum (PAIVS) or critical pulmonary stenosis (CPS) who underwent fetal pulmonary valvuloplasty at our center between October 2000 and July 2017 were included. Echocardiographic data obtained before and after the procedure were analyzed retrospectively (median interval after intervention, 1 (range, 1-3) days) for ventricular and valvular dimensions and ratios, RV filling time (duration of tricuspid valve (TV) inflow/cardiac cycle length), TV velocity time integral (TV-VTI)?×?heart rate (HR) and tricuspid regurgitation (TR) velocity. Longitudinal data were collected from only those fetuses followed up in our center. Outcome was assessed using the scoring system as described by Roman et al. for non-biventricular outcome. RESULTS:Thirty-five pulmonary valvuloplasties were performed in our institution on 23 fetuses with PAIVS (n?=?15) or CPS (n?=?8). Median gestational age at intervention was 28?+?4 (range, 23?+?6 to 32?+?1) weeks. No fetal death occurred. Immediately after successful intervention, RV/left ventricular length (RV/LV) ratio (P???0.0001), TV/mitral valve annular diameter (TV/MV) ratio (P???0.001), RV filling time (P???0.00001) and TV-VTI?×?HR (P???0.001) increased significantly and TR velocity (P???0.001) decreased significantly. In fetuses followed longitudinally to delivery (n?=?5), RV/LV and TV/MV ratios improved further or remained constant until birth. Fetuses with unsuccessful intervention (n?=?2) became univentricular, all others had either a biventricular (n?=?15), one-and-a-half ventricular (n?=?3) or still undetermined (n?=?3) outcome. Five of nine fetuses with a predicted non-biventricular outcome, in which the procedure was successful, became biventricular, while two of nine had an undetermined circulation. CONCLUSION:In selected fetuses with PAIVS or CPS, in-utero pulmonary valvuloplasty led immediately to larger RV caused by reduced afterload and increased filling, thus improving the likelihood of biventricular outcome even in fetuses with a predicted non-biventricular circulation. © 2018 The Authors. Ultrasound in Obstetrics & Gynecology published by John Wiley & Sons Ltd on behalf of the International Society of Ultrasound in Obstetrics and Gynecology.

Dataset Information

Generation of an induced pluripotent stem cell line NCHi003-A from a 11-year-old male with pulmonary atresia with intact ventricular septum (PA-IVS).

Publications

Generation of an induced pluripotent stem cell line NCHi003-A from a 11-year-old male with pulmonary atresia with intact ventricular septum (PA-IVS).

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