Introduction
The neural crest are bilaterally paired strips of cells arising in the ectoderm at
the margins of the neural tube. These cells migrate to many different locations
and differentiate into many cell types within the embryo. This means that many
different systems (neural, skin, heart, endocrine, GIT) will have a
contribution fron the neural crest cells. General neural development is also covered
in another section of these notes (Neural).
Beside the spinal cord neural crest cells form the sensory ganglia (dorsal
root ganglia). In the head region neural crest cells migrate into the pharyngeal
arches (as shown in movie below) and form many different structures.
Some Recent Findings
Brito JM, Teillet MA, Le Douarin NM.
An early role for Sonic hedgehog from foregut endoderm in jaw development: Ensuring neural crest cell survival.
Proc Natl Acad Sci U S A. 2006 Aug 1;103(31):11607-12. Epub 2006 Jul 25.
"The results may help to explain how some embryos, such as zebrafish, can achieve rapid pigmentation after fertilization, whereas others, such as mice, become pigmented only several days after birth."
Hou L, Arnheiter H, Pavan WJ.
Interspecies difference in the regulation of melanocyte development by SOX10 and MITF
Proc Natl Acad Sci U S A. 2006 103: 9081-9085
Two different findings on the reprogramming of melanoma cells, which have a neural crest origin, when transplanted between species into embryos.
Kulesa PM, Kasemeier-Kulesa JC, Teddy JM, Margaryan NV, Seftor EA, Seftor RE, Hendrix MJ.
Reprogramming metastatic melanoma cells to assume a neural crest cell-like phenotype in an embryonic microenvironment.
Proc Natl Acad Sci U S A. 2006 Feb 27; [Epub ahead of print]
Lee LM, Seftor EA, Bonde G, Cornell RA, Hendrix MJ.
The fate of human malignant melanoma cells transplanted into zebrafish embryos: assessment of migration and cell division in the absence of tumor formation.
Dev Dyn. 2005 Aug;233(4):1560-70.
Glossary of Terms
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Comments

Page under development (notice removed when complete).
Neural crest cells contribute to many different tissues and systems throughout the entire embryo.
Please email Dr Mark Hill if you wish to make a comment about this current project.
Some Recent Findings
These selected articles (April 2005) updated when time permits.
Mechanisms and perspectives on differentiation of autonomic neurons.
Howard MJ., Dev Biol. 2005 Jan 15;277(2):271-86. Review. "Core of DNA binding proteins required for the development of sympathetic, parasympathetic, and enteric neurons, including Phox2 and MASH1, whose specificity is regulated by the recruitment of additional transcriptional regulators in a subtype-specific manner.
For noradrenergic neurons, the basic helix-loop-helix DNA binding protein HAND2 (dHAND) appears to serve this function."
Role of keratinocyte-derived factors involved in regulating the proliferation and differentiation of mammalian epidermal melanocytes.
Hirobe T., Pigment Cell Res. 2005 Feb;18(1):2-12. Review. "Recent advances in the techniques of tissue culture and biochemistry have enabled us to clarify factors derived from keratinocytes.
Alpha-melanocyte-stimulating hormone, adrenocorticotrophic hormone, basic fibroblast growth factor, nerve growth factor, endothelins, granulocyte-macrophage colony-stimulating factor, steel factor, leukemia inhibitory factor and hepatocyte growth factor
have been suggested to be the keratinocyte-derived factors and to regulate the proliferation and/or differentiation of mammalian epidermal melanocytes."
Fgf15 is required for proper morphogenesis of the mouse cardiac outflow tract.
Vincentz JW, McWhirter JR, Murre C, Baldini A, Furuta Y., Genesis. 2005 Apr;41(4):192-201. "Tbx1, a key regulator of pharyngeal arch development implicated in DiGeorge syndrome.
In addition, Fgf15 and Tbx1 do not interact genetically, suggesting that Fgf15 operates through a pathway independent of Tbx1."
Xenopus Id3 is required downstream of Myc for the formation of multipotent neural crest progenitor cells.
Light W, Vernon AE, Lasorella A, Iavarone A, Labonne C., Development. 2005 Apr;132(8):1831-1841.
Fgf15 is required for proper morphogenesis of the mouse cardiac outflow tract.
"show that the small HLH protein Id3 is a Myc target that plays an essential role in the formation and maintenance of neural crest stem cells."