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Single-cell Transcriptomic Profiling Unveils Dysregulation of Cardiac Progenitor Cells and Cardiomyocytes in a Mouse Model of Maternal Hyperglycemia

Overview
Journal Commun Biol
Specialty Biology
Date 2022 Aug 15
PMID 35970860
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Abstract

Congenital heart disease (CHD) is the most prevalent birth defect, often linked to genetic variations, environmental exposures, or combination of both. Epidemiological studies reveal that maternal pregestational diabetes is associated with ~5-fold higher risk of CHD in the offspring; however, the causal mechanisms affecting cardiac gene-regulatory-network (GRN) during early embryonic development remain poorly understood. In this study, we utilize an established murine model of pregestational diabetes to uncover the transcriptional responses in key cell-types of the developing heart exposed to maternal hyperglycemia (matHG). Here we show that matHG elicits diverse cellular responses in E9.5 and E11.5 embryonic hearts compared to non-diabetic hearts by single-cell RNA-sequencing. Through differential-gene-expression and cellular trajectory analyses, we identify perturbations in genes, predominantly affecting Isl1 second heart field progenitors and Tnnt2 cardiomyocytes with matHG. Using cell-fate mapping analysis in Isl1-lineage descendants, we demonstrate that matHG impairs cardiomyocyte differentiation and alters the expression of lineage-specifying cardiac genes. Finally, our work reveals matHG-mediated transcriptional changes in second heart field lineage that elevate CHD risk by perturbing Isl1-GRN during cardiomyocyte differentiation. Gene-environment interaction studies targeting the Isl1-GRN in cardiac progenitor cells will have a broader impact on understanding the mechanisms of matHG-induced risk of CHD associated with diabetic pregnancies.

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References
1.
DeLaughter D, Bick A, Wakimoto H, McKean D, Gorham J, Kathiriya I . Single-Cell Resolution of Temporal Gene Expression during Heart Development. Dev Cell. 2016; 39(4):480-490. PMC: 5198784. DOI: 10.1016/j.devcel.2016.10.001. View

2.
Quijada P, Trembley M, Small E . The Role of the Epicardium During Heart Development and Repair. Circ Res. 2020; 126(3):377-394. PMC: 7000171. DOI: 10.1161/CIRCRESAHA.119.315857. View

3.
Nees S, Chung W . The genetics of isolated congenital heart disease. Am J Med Genet C Semin Med Genet. 2019; 184(1):97-106. PMC: 8211463. DOI: 10.1002/ajmg.c.31763. View

4.
Soldatov R, Kaucka M, Kastriti M, Petersen J, Chontorotzea T, Englmaier L . Spatiotemporal structure of cell fate decisions in murine neural crest. Science. 2019; 364(6444). DOI: 10.1126/science.aas9536. View

5.
Benson D, Silberbach G, Kavanaugh-McHugh A, Cottrill C, Zhang Y, Riggs S . Mutations in the cardiac transcription factor NKX2.5 affect diverse cardiac developmental pathways. J Clin Invest. 1999; 104(11):1567-73. PMC: 409866. DOI: 10.1172/JCI8154. View