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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-18966

Froehlicher, M; Liedtke, A; Groh, K; López-Schier, H; Neuhauss, S C F; Segner, H; Eggen, R I L (2009). Estrogen receptor subtype beta2 is involved in neuromast development in zebrafish (Danio rerio) larvae. Developmental Biology, 330(1):32-43.

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Estrogens are known to play a role in both reproductive and non-reproductive functions in mammals. Estrogens and their receptors are involved in the development of the central nervous system (brain development, neuronal survival and differentiation) as well as in the development of the peripheral nervous system (sensory-motor behaviors). In order to decipher possible functions of estrogens in early development of the zebrafish sensory system, we investigated the role of estrogen receptor beta(2) (ERbeta(2)) by using a morpholino (MO) approach blocking erbeta(2) RNA translation. We further investigated the development of lateral line organs by cell-specific labeling, which revealed a disrupted development of neuromasts in morphants. The supporting cells developed and migrated normally. Sensory hair cells, however, were absent in morphants' neuromasts. Microarray analysis and subsequent in situ hybridizations indicated an aberrant activation of the Notch signaling pathway in ERbeta(2) morphants. We conclude that signaling via ERbeta(2) is essential for hair cell development and may involve an interaction with the Notch signaling pathway during cell fate decision in the neuromast maturation process.


31 citations in Web of Science®
29 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Molecular Life Sciences
Dewey Decimal Classification:570 Life sciences; biology
Uncontrolled Keywords:Estrogen receptor; Neuromast; Zebrafish; Notch signaling
Date:March 2009
Deposited On:08 Jun 2009 12:51
Last Modified:05 Apr 2016 13:15
Publisher DOI:10.1016/j.ydbio.2009.03.005
PubMed ID:19289112

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