NDLI: Targeted Expression of the only Zinc Finger Gene in Transgenic Mice is Associated with Impaired Mammary Development

Content Provider	Springer Nature Link
Author	Besnard, Nathalie Persuy, Marie Annick Stinnakre, Marie George Lepourry, Laurence Silva, José Costa Da Goubin, Gerard Vilotte, Jean Luc
Copyright Year	2002
Abstract	The only zinc finger (OZF) gene encodes a protein consisting mainly of 10 zinc finger motifs of the Krüppel type of yet unknown function. To potentially assess its in vivo role, mammary targeted deregulation of the expression of the murine gene was performed in transgenic mice using a goat β-casein-based transgene. Mammary expression of the transgene was observed in the 11 lines obtained. In three expressing lines, this expression was tissue-specific and developmentally regulated. Further analysis of mice from two expressing lines revealed that transgene-homozygous females could not sustain full growth of their pups. This phenotype was associated with an impaired mammary gland development noticeable only after mid-gestation. It was characterised by an increase of the adipocyte to acini ratio and low or absence of fat globules within these acini compared to non-transgenic control animals. These transgenic observations strongly suggest that OZF is active in the mammary gland, interfering with the lactation process and thus that the described transgenic mice could be useful models to search for the cellular partner(s) of this protein.
Starting Page	505
Ending Page	513
Page Count	9
File Format	PDF
ISSN	09628819
Journal	Transgenic Research
Volume Number	11
Issue Number	5
e-ISSN	15739368
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2002-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Human Genetics Plant Sciences Animal Anatomy / Morphology / Histology
Content Type	Text
Resource Type	Article
Subject	Genetics Animal Science and Zoology Biotechnology Agronomy and Crop Science

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