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Titolo:
NEUROGENESIS OF SUBPOPULATIONS OF RAT LUMBAR DORSAL-ROOT GANGLION NEURONS INCLUDING NEURONS PROJECTING TO THE DORSAL COLUMN NUCLEI
Autore:
KITAO Y; ROBERTSON B; KUDO M; GRANT G;
Indirizzi:
KAROLINSKA INST,DEPT NEUROSCI S-17177 STOCKHOLM SWEDEN KAROLINSKA INST,DEPT NEUROSCI S-17177 STOCKHOLM SWEDEN KANAZAWA UNIV,SCH MED,DEPT ANAT KANAZAWA ISHIKAWA 920 JAPAN
Titolo Testata:
Journal of comparative neurology
fascicolo: 2, volume: 371, anno: 1996,
pagine: 249 - 257
SICI:
0021-9967(1996)371:2<249:NOSORL>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
PRIMARY SENSORY NEURONS; PROLIFERATING CELLS; MONOCLONAL-ANTIBODY; IMMUNOHISTOCHEMICAL DETECTION; BANDEIRAEA-SIMPLICIFOLIA; CONDUCTION-VELOCITY; BROMODEOXYURIDINE; SIZE; BINDING;
Keywords:
DEVELOPMENT; PRIMARY SENSORY NEURON; GRACILE NUCLEUS; IMMUNOHISTOCHEMISTRY; TRACING;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
30
Recensione:
Indirizzi per estratti:
Citazione:
Y. Kitao et al., "NEUROGENESIS OF SUBPOPULATIONS OF RAT LUMBAR DORSAL-ROOT GANGLION NEURONS INCLUDING NEURONS PROJECTING TO THE DORSAL COLUMN NUCLEI", Journal of comparative neurology, 371(2), 1996, pp. 249-257

Abstract

The time of birth of subpopulations of dorsal root ganglion (DRG) neurons was studied with immunohistochemistry for 5-bromodeoxyuridine (BrdU). Pregnant rats were injected with BrdU i.p. to label the neurons on one of the embryonic days (E) E11-E16. When they were adults, the rats were given injections of Fluoro-Gold (FG) into the gracile nucleus to identify DRG neurons projecting to this structure. Following a 5 day survival period, the animals were perfused with aldehyde fixative. Sections from the L3-L5 DRGs were processed for BrdU immunohistochemistry followed by either immunostaining for the antineurofilament antibody RT97, as marker of the light neuronal subpopulation, or histochemical staining for the B4 isolectin from Griffonia simplicifolia I, as marker of the small dark subpopulation. The results indicated that the DRG neurons were generated between E12 and E16. The RT97(+) neurons weregenerated on E12-E15, with a peak at E13. FG(+) neurons, the majorityof which were RT97(+), were also generated on E12-E15. The B4(+) neurons were generated on E13-E16, with a peak around E14. The overall pattern of neurogenesis of the DRG neurons showed that the RT97(+) neurons were produced prior to the B4(+) neurons. These findings are in agreement with earlier observations that the large DRG neurons are generated earlier than the small dark neurons. Our findings also suggest the existence of a third neuronal subpopulation that might be produced at the latest period of DRG neurogenesis at 15E-E16. (C) 1996 Wiley-Liss,Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 09/07/20 alle ore 23:52:47