neuroblast


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Related to neuroblast: spongioblast, Neuroblast cells

neuroblast

[′nu̇r·ō‚blast]
(embryology)
Embryonic, undifferentiated neuron, derived from neural plate ectoderm.
References in periodicals archive ?
Upon reduction, stochastic differentiation of neuroblasts was observed, consistent with the conclusion that JAK/STAT has a noise-canceling function.
Until now, many researchers have been trying to find new medical plants and their components, which can promote neurogenesis in the neurogenic regions, as a potential therapeutic agent of neurodegenerative diseases and many studies have demonstrated that some plant extracts and their components have the capacity to promote neurogenesis.[26],[27] Although some researchers recently showed that extracts of plants in the family Umbelliferae including Oenanthe javanica and Angelica sinensis improved cell proliferation and neuroblast differentiation in the SGZ of the hippocampal DG,[28],[29] neurogenic effects of GLein the brainhave not yet been investigated.
At D3, there were no significant differences in neuroblast density between PB-MNC+, PB-MNC, and PBS groups (52,262 [+ or -] 14,825 [micro][m.sup.2]; 47,579 [+ or -] 14,099 [micro][m.sup.2]; and 57,225 [+ or -] 21,634 [micro][m.sup.2], resp.) or in the migration distance of DCX+ cells toward the ischemic area (825.6 [+ or -] 177.4 [micro]m; 618.8 [+ or -] 184.5 [micro]m; and 765 [+ or -] 135.5 [micro]m, resp.) (N = 4 - 5) (Figure 7).
Overexpression of cMYC and MYCN in chick sympathetic neuroblasts results in a significant increase in their proliferation in vitro and in vivo, although it does not affect the viability of cells in culture [48].
The current study did something similar in the spine, turning scar-forming astrocytes into progenitor ceils called neuroblasts that regenerated into neurons," says Chun-Li Shang, PhD, assistant professor of molecular biology at UT Southwestern and senior author of both studies in a news release.
At these stages, Isl1 expression was detected in abundant newly formed postmitotic cells that accumulated in the vitreal surface of the central and mid-peripheral undifferentiated retina and in sparse migrating neuroblasts in outer regions of the NbL (Figure 4(b)).
Microdissection studies of the dividing neuroblast of the grasshopper, Chortophaga viridifasciata (De Geer).
Thus a neuroblast which may be indistinguishable from another cell in the beginning would become increasingly different from the others as the process of differentiation continues and eventually becomes a nervous tissue.
The procedure for expressing the third domain were to put together a DNA construct and inject it into the neuroblast of the fly.
In the December 9th issue of the Lancet, French researchers reported that grafting fetal neuroblast cells into the striatum area of the brain appeared to improve motor and cognitive function in 3 of 5 HD patients.
All new neurons must pass through 3 phases of neuronal migration: initiation, locomotion and termination.[62] During initiation, when a neuroblast begins to move away from its ventricular proliferation zone, it stops dividing into new cells.