Proliferation, migration, neuronal differentiation, and long-term survival of new cells in the adult zebrafish brain. Zupanc, G. K H, Hinsch, K., & Gage, F. H The Journal of comparative neurology, 488(3):290–319, August, 2005. Paper doi abstract bibtex In contrast to mammals, fish exhibit an enormous potential to produce new cells in the adult brain. By labeling mitotically dividing cells with 5-bromo-2'-deoxyuridine (BrdU), we have characterized the development of these cells in the zebrafish (Danio rerio). Proliferation zones were located in specific regions of the olfactory bulb, dorsal telencephalon (including a region presumably homologous to the mammalian hippocampus), preoptic area, dorsal zone of the periventricular hypothalamus, optic tectum, torus longitudinalis, vagal lobe, parenchyma near the rhombencephalic ventricle, and in a region of the medulla oblongata lateral to the vagal motor nucleus, as well as in all three subdivisions of the cerebellum, the valvula cerebelli, the corpus cerebelli, and the lobus caudalis cerebelli. In the valvula cerebelli and the corpus cerebelli, the young cells migrated from their site of origin in the molecular layers to the corresponding granule cell layers. By contrast, in the lobus caudalis cerebelli and optic tectum, no indication of a migration of the newly generated cells over wider distances could be obtained. BrdU-labeled cells remained present in the brain over at least 292 days post-BrdU administration, indicating a long-term survival of a significant portion of the newly generated cells. The combination of BrdU immunohistochemistry with immunolabeling against the neural marker protein Hu, or with retrograde tracing, suggested a neuronal differentiation in a large portion of the young cells.
@article{Zupanc2005,
title = {Proliferation, migration, neuronal differentiation, and long-term survival of new cells in the adult zebrafish brain.},
volume = {488},
issn = {0021-9967},
url = {http://www.ncbi.nlm.nih.gov/pubmed/15952170},
doi = {10.1002/cne.20571},
abstract = {In contrast to mammals, fish exhibit an enormous potential to produce new cells in the adult brain. By labeling mitotically dividing cells with 5-bromo-2'-deoxyuridine (BrdU), we have characterized the development of these cells in the zebrafish (Danio rerio). Proliferation zones were located in specific regions of the olfactory bulb, dorsal telencephalon (including a region presumably homologous to the mammalian hippocampus), preoptic area, dorsal zone of the periventricular hypothalamus, optic tectum, torus longitudinalis, vagal lobe, parenchyma near the rhombencephalic ventricle, and in a region of the medulla oblongata lateral to the vagal motor nucleus, as well as in all three subdivisions of the cerebellum, the valvula cerebelli, the corpus cerebelli, and the lobus caudalis cerebelli. In the valvula cerebelli and the corpus cerebelli, the young cells migrated from their site of origin in the molecular layers to the corresponding granule cell layers. By contrast, in the lobus caudalis cerebelli and optic tectum, no indication of a migration of the newly generated cells over wider distances could be obtained. BrdU-labeled cells remained present in the brain over at least 292 days post-BrdU administration, indicating a long-term survival of a significant portion of the newly generated cells. The combination of BrdU immunohistochemistry with immunolabeling against the neural marker protein Hu, or with retrograde tracing, suggested a neuronal differentiation in a large portion of the young cells.},
number = {3},
urldate = {2013-08-16},
journal = {The Journal of comparative neurology},
author = {Zupanc, Günther K H and Hinsch, Karen and Gage, Fred H},
month = aug,
year = {2005},
pmid = {15952170},
keywords = {\#nosource, Animals, Brain, Brain Mapping, Brain: cytology, Bromodeoxyuridine, Bromodeoxyuridine: metabolism, Calcium-Binding Protein, Vitamin D-Dependent, Calcium-Binding Protein, Vitamin D-Dependent: meta, Cell Count, Cell Count: methods, Cell Differentiation, Cell Differentiation: physiology, Cell Movement, Cell Movement: physiology, Cell Proliferation, Cell Survival, Cell Survival: physiology, Glial Fibrillary Acidic Protein, Glial Fibrillary Acidic Protein: metabolism, Hu Paraneoplastic Encephalomyelitis Antigens, Immunohistochemistry, Immunohistochemistry: methods, Nerve Tissue Proteins, Nerve Tissue Proteins: metabolism, Neurons, Neurons: cytology, RNA-Binding Proteins, RNA-Binding Proteins: metabolism, S100 Proteins, S100 Proteins: metabolism, Time Factors, Zebrafish, Zebrafish: physiology},
pages = {290--319},
}
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