Characterization of an iPSC line NCHi006-A from a patient with hypoplastic left heart syndrome (HLHS)

Matthew Alonzo1, Javier Contreras1, Shiqiao Ye1

  • 1Center for Cardiovascular Research, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, OH, USA; The Heart Center, Nationwide Children's Hospital, Columbus, OH, USA.

Stem Cell Research
|August 20, 2022
PubMed

Insights

Researchers created a patient-specific induced pluripotent stem cell (iPSC) line for studying hypoplastic left heart syndrome (HLHS). This HLHS iPSC line offers a valuable tool for understanding the cellular basis of this severe congenital heart defect.

Area of Science:

  • Cardiovascular Biology
  • Stem Cell Research
  • Developmental Biology

Background:

  • Hypoplastic left heart syndrome (HLHS) is a critical congenital heart defect.
  • It involves underdeveloped left-sided heart structures, including the left ventricle, aorta, and mitral valve.

Purpose of the Study:

  • To generate a patient-specific induced pluripotent stem cell (iPSC) line from an HLHS patient.
  • To characterize the generated iPSC line for pluripotency and differentiation potential.
  • To establish a cellular model for studying HLHS etiologies.

Main Methods:

  • Generated iPSCs from peripheral blood mononuclear cells of a male HLHS patient.
  • Utilized Sendai virus-mediated transfection of four Yamanaka factors.
  • Assessed iPSC morphology, pluripotency marker expression, karyotype, and differentiation capacity.

Main Results:

  • Successfully generated a stable iPSC line from an HLHS patient.
  • The iPSC line displayed normal morphology and expressed key pluripotency markers.
  • Confirmed a normal karyotype and the ability of iPSCs to differentiate into three germ layers.

Conclusions:

  • The generated HLHS iPSC line is a valuable resource.
  • This iPSC line can be utilized for investigating the cellular and developmental causes of HLHS.
  • Enables future research into novel therapeutic strategies for congenital heart defects.