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- W1936954588 abstract "ABSTRACT This study provides a detailed description of the anatomical defects in the Hoxa-1−/−mutant mice previously generated in our laboratory (T. Lufkin, A. Dierich, M. LeMeur, M. Mark and P. Chambon, 1991; Cell 66, 1105-1119). Three-dimensional reconstructions of the Hoxa-1−/− rhombencephalon reveals that it bears only five rhombomeric structures (ie. morphological segments) instead of the normal seven. The first three of these rhombomeres appear normal as judged from the distribution pattern of CRABPI transcripts in the neurectoderm and from the histological analysis of the cranial nerve components derived from these structures. In contrast, the neural-crest-cell-free region normally located opposite rhombomere 5 is lacking in Hoxa-1−/− embryos, and motor neurons of the facial and abducens nerves, which normally differentiate within rhombomeres 4, 5 and 6, are missing in Hoxa-1−/− fetuses. These morphological data, combined with the determination of the molecular positional identities of the rhombomeres 4 and 5 (P. Dollé, T. Lufkin, R. Krumlauf, M. Mark, D. Duboule and P. Chambon, 1993; Proc. Natl. Acad. Sci. USA, in press), suggest that rhombomere 4 is markedly reduced, whereas rhombomere 5 is almost absent. Thus, the remnants of rhombomeres 4 and 5 appear to be fused caudally with rhombomere 6 to form a single fourth rhombomeric structure. Moreover, the migration of neural crest cells contributing to the glossopharyngeal and vagus nerves occurs in a more rostral position, resulting in abnormalities of these cranial nerves, which were visualized by whole-mount anti-neurofilament immunostaining. The mutual relationship along the rostrocaudal axis between the otic pit and the neuroepithelial site of int-2 protein secretion (a putative otogenic cue) is not significantly changed in Hoxa-1−/− embryos. However, the abnormal relationship between the rhombencephalon and the epithelial inner ear may account for the aplasia and faulty differentiation of the membranous labyrinth, the disruption of the cartilaginous otic capsule and the disorganisation of some middle ear structures. This phenotype is compared with that of the Hoxa-1−/− mutants generated by O. Chisaka, T. S. Musci and M. R. Capecchi, 1992 (Nature 335, 516-520) and with that of the mice homozygous for the kreisler mutation." @default.
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- W1936954588 date "1993-10-01" @default.
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- W1936954588 title "Two rhombomeres are altered in <i>Hoxa-1</i> mutant mice" @default.
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- W1936954588 cites W1817142398 @default.
- W1936954588 cites W1852706845 @default.
- W1936954588 cites W1868208269 @default.
- W1936954588 cites W1892355381 @default.
- W1936954588 cites W1954466913 @default.
- W1936954588 cites W1963526989 @default.
- W1936954588 cites W1967290574 @default.
- W1936954588 cites W1969541384 @default.
- W1936954588 cites W1970303262 @default.
- W1936954588 cites W1975513365 @default.
- W1936954588 cites W1976237650 @default.
- W1936954588 cites W1977687670 @default.
- W1936954588 cites W1979515086 @default.
- W1936954588 cites W1981980299 @default.
- W1936954588 cites W1982762662 @default.
- W1936954588 cites W1984164960 @default.
- W1936954588 cites W1988946351 @default.
- W1936954588 cites W1990278701 @default.
- W1936954588 cites W2002618386 @default.
- W1936954588 cites W2002638704 @default.
- W1936954588 cites W2005740762 @default.
- W1936954588 cites W2006778172 @default.
- W1936954588 cites W2008668462 @default.
- W1936954588 cites W2009851083 @default.
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- W1936954588 cites W2022140547 @default.
- W1936954588 cites W2029112624 @default.
- W1936954588 cites W2034161528 @default.
- W1936954588 cites W2046541575 @default.
- W1936954588 cites W2052957716 @default.
- W1936954588 cites W2053700844 @default.
- W1936954588 cites W2056299515 @default.
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- W1936954588 cites W2077497255 @default.
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- W1936954588 cites W2084158728 @default.
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- W1936954588 cites W2088535127 @default.
- W1936954588 cites W2089373682 @default.
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- W1936954588 cites W2099715509 @default.
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- W1936954588 cites W2162169187 @default.
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- W1936954588 doi "https://doi.org/10.1242/dev.119.2.319" @default.
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