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Analysis of Neural Crest Migration and Differentiation by Cross-species Transplantation

Analysis of Neural Crest Migration and Differentiation by Cross-species Transplantation

Published on: February 7, 2012

Analysis of early human neural crest development.

Erin Betters¹, Ying Liu, Anders Kjaeldgaard

¹Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, CT 06520-8103, USA.

Developmental Biology

|May 19, 2010

Summary

This study identifies key molecular markers for neural crest cells (NCCs) during human embryonic development. It highlights specific transcription factors and cell surface markers crucial for understanding NCC migration and differentiation in humans.

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Isolation and Culture of Neural Crest Cells from Embryonic Murine Neural Tube

Isolation and Culture of Neural Crest Cells from Embryonic Murine Neural Tube

Published on: June 2, 2012

Area of Science:

Developmental Biology
Human Embryology
Molecular Biology

Background:

Neural crest cells (NCCs) are crucial for human development and implicated in various pathologies.
Extensive research in model organisms has advanced understanding of NCCs, but human embryonic development remains understudied.
Characterizing human NCC development is vital for understanding congenital disorders and developing therapies.

Purpose of the Study:

To identify and characterize molecular markers expressed by NCCs in human embryos.
To define the temporal and spatial expression patterns of these markers during NCC migration.
To provide a foundation for improved diagnostics and therapeutics related to human NCCs.

Main Methods:

Analysis of human embryos at Carnegie Stages (CS) 12 to 18.
Utilized a battery of molecular markers to detect protein expression.
Examined marker expression in premigratory and migrating NCC populations.

Main Results:

Identified Sox9, Sox10, and Pax3 in premigratory NCCs.
Found Pax7 and AP-2alpha expressed in actively migrating NCCs.
Observed HNK-1 labeling few migrating NCCs, while p75(NTR) labeled a larger proportion, but with broad expression.

Conclusions:

Established a temporal expression profile for key transcription factors in human NCCs.
Highlighted the utility and limitations of current markers like p75(NTR) for human NCC studies.
Emphasized the need for novel markers to enhance the study of human NCC development and related pathologies.