The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.
Development of neuroendocrine lineages requires the bHLH–PAS transcription factor SIM1
Open accessAbstract
The bHLH–PAS transcription factor SIM1 is expressed during the development of the hypothalamic–pituitary axis in three hypothalamic nuclei: the paraventricular nucleus (PVN), the anterior periventricular nucleus (aPV), and the supraoptic nucleus (SON). To investigate Sim1 function in the hypothalamus, we produced mice carrying a null allele of Sim1 by gene targeting. Homozygous mutant mice die shortly after birth. Histological analysis shows that the PVN and the SON of these mice are hypocellular. At least five distinct types of secretory neurons, identified by the expression of oxytocin, vasopressin, thyrotropin-releasing hormone, corticotropin-releasing hormone, and somatostatin, are absent in the mutant PVN, aPV, and SON. Moreover, we show that SIM1 controls the development of these secretory neurons at the final stages of their differentiation. A subset of these neuronal lineages in the PVN/SON are also missing in mice bearing a mutation in the POU transcription factor BRN2. We provide evidence that, during development of the Sim1 mutant hypothalamus, the prospective PVN/SON region fails to express Brn2. Our results strongly indicate that SIM1 functions upstream to maintain Brn2 expression, which in turn directs the terminal differentiation of specific neuroendocrine lineages within the PVN/SON.
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Metadata
- Authors
- Michaud, J. L., Rosenquist, T., May, N. R., & Fan, C.-M.
- Venue
- Genes & Development
- Publisher
- Cold Spring Harbor Laboratory
- Published
- 1998-10-15
- Volume
- 12
- Issue
- 20
- Pages
- 3264-3275
- ISSN
- 0890-9369 (ISSN-L)
- 1549-5477
- OpenAlex
- W2141166900
- Cited by
- 392
- References
- 8
- Type
- posted content
- Language
- en
- Open access
- diamond
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- Michaud, J. L., Rosenquist, T., May, N. R., & Fan, C.-M. (1998). Development of neuroendocrine lineages requires the bHLH–PAS transcription factor SIM1. Genes & Development. https://doi.org/10.1101/gad.12.20.3264
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