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Related Concept Videos

Determination01:51

Determination

During embryogenesis, cells become progressively committed to different fates through a two-step process: specification followed by determination. Specification is demonstrated by removing a segment of an early embryo, “neutrally” culturing the tissue in vitro—for example, in a petri dish with simple medium—and then observing the derivatives. If the cultured region gives rise to cell types that it would normally generate in the embryo, this means that it is specified. In contrast, determination...
TGF - β Signaling Pathway01:16

TGF - β Signaling Pathway

The TGF-β signaling pathway regulates cell growth, differentiation, adhesion, motility, and development. TGF-β ligands that induce TGF-β signaling are synthesized in their latent form. Several proteases or cell surface receptors such as integrins act upon the latent form, releasing the active ligand. There are three types of mammalian TGF-βs: (TGF-β1, TGF-β2, and TGF-β3) that bind as homodimers or heterodimers to TGF-β receptors. The TGF-β receptors are of three kinds RI, RII, and RIII. The RI...

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Isolation and Characterization of Single Cells from Zebrafish Embryos
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Nkx2-5 Regulates Tdgf1 (Cripto) Early During Cardiac Development.

Ann N Behrens1, Yi Ren, Anwarul Ferdous

  • 1Lillehei Heart Institute, University of Minnesota, Minneapolis, Minnesota, USA.

Journal of Clinical & Experimental Cardiology
|September 27, 2013
PubMed
Summary
This summary is machine-generated.

Understanding congenital heart disease (CHD) requires studying cardiac progenitor cells. Researchers identified Nkx2-5 as a key regulator of the Tdgf1 gene, crucial for early heart development and potentially treating CHD.

Keywords:
CardiogenesisMouseNkx2-5Tdgf1

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Area of Science:

  • Developmental Biology
  • Cardiovascular Research
  • Genetics

Background:

  • Congenital Heart Disease (CHD) is a leading cause of infant mortality.
  • Advanced heart failure is a common progression in CHD survivors, necessitating treatments like cardiac transplantation.
  • Understanding transcriptional networks in cardiac progenitor cells is vital for comprehending heart development and disease.

Purpose of the Study:

  • To define specific transcriptional networks governing cardiovascular development.
  • To investigate the regulatory relationship between Nkx2-5 and Tdgf1 in early cardiac development.
  • To enhance the understanding of cardiac morphogenesis and its pathological states.

Main Methods:

  • Utilized transgenic technology to isolate and characterize cardiac progenitor cells from developing mouse hearts.
  • Employed a range of molecular biological techniques to dissect gene regulation.
  • Confirmed the upstream regulatory role of Nkx2-5 on the Tdgf1 gene.

Main Results:

  • Identified Tdgf1 as a potential target gene regulated by Nkx2-5.
  • Mechanistically confirmed Nkx2-5 as an upstream regulator of Tdgf1 during early cardiac development.
  • Provided insights into Nkx2-5 mediated transcriptional networks in cardiac development.

Conclusions:

  • Nkx2-5 plays a critical role in regulating Tdgf1 during early heart development.
  • These findings contribute to understanding Nkx2-5 mediated transcriptional networks and cardiac morphogenesis.
  • The research has implications for developing novel therapies for congenital heart disease.