Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Scott, H.C. et al.

Acute prenatal ethanol exposure and luteinizing hormone-releasing hormone messenger RNA expression in the fetal mouse brain.

Ethanol exposure during critical periods of development results in alterations of central nervous system morphology and function. In this study, the effects of acute ethanol exposure on the number of neurons expressing luteinizing hormone-releasing hormone (LHRH) messenger RNA (mRNA) has been analyzed. Also, the expression of LHRH mRNA in the diagonal band of Broca/preoptic area (DBB/POA) was determined. Pregnant C57BL/6J mice were intubated with two doses of a 25% solution of ethanol or water (2.9 g/kg body weight) 4 hr apart on gestation day 7 (G7), G10, or G11. Animals were killed on G18, and in situ hybridization was utilized to detect neurons expressing LHRH mRNA. The number of neurons expressing LHRH mRNA was determined along their migration route from the rostrum into the forebrain. Ethanol exposure on G7 did not significantly change the number of neurons expressing LHRH mRNA on G18 compared with that in control animals. However, the number of neurons expressing LHRH mRNA in the nasal septum area in animals exposed to ethanol on G10 or G11 was significantly less than the number in control animals (p < 0.05). Prenatal ethanol exposure on any of the aforementioned treatment days did not alter the expression of LHRH mRNA at the level of the DBB/POA on G18 in ethanol-treated animals compared with control animals. Also, neuron-specific enolase mRNA expression at the level of the DBB/POA was not altered by prenatal ethanol exposure. Therefore, ethanol exposure on the aforementioned treatment days did not differentially affect LHRH mRNA expression compared with neuron-specific enolase mRNA expression at the level of the DBB/POA.(ABSTRACT TRUNCATED AT 250 WORDS)[1]

References

Acute prenatal ethanol exposure and luteinizing hormone-releasing hormone messenger RNA expression in the fetal mouse brain. Scott, H.C., Zoeller, R.T., Rudeen, P.K. Alcohol. Clin. Exp. Res. (1995) [Pubmed]

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