Comparison of potential nuclear precursors for prolactin and growth hormone messenger RNA

Richard Maurer, E. J. Gubbins, C. R. Erwin, J. E. Donelson

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Recombinant DNA plasmids containing the coding sequence for rat prolactin or rat growth hormone have been used to investigate the presence of possible precursors for prolactin and growth hormone mRNA. Cytoplasmic and nuclear RNA was prepared from either rat pituitaries or from the GC pituitary cell line. RNA was electrophoresed on agarose gels containing methylmercury hydroxide and then transferred to diazobenzyloxymethyl paper. The paper was then hybridized to prolactin or growth hormone recombinant DNA probes labeled in vitro with 32P. The prolactin probe hybridized to RNA species of 7.0, 6.4, 3.8, 1.7, and 1.0 kilobases in nuclear RNA and only to a 1.0-kilobase species in cytoplasmic RNA. Hybridization with a growth hormone probe demonstrated nuclear RNA species of 6.7, 5.6, 2.3, and 1.0 kilobases. These findings demonstrate the presence of multiple species of prolactin and growth hormone RNA which are larger than the mature cytoplasmic mRNAs. The large nuclear RNAs are likely precursors for prolactin and growth hormone mRNA.

Original languageEnglish (US)
Pages (from-to)2243-2246
Number of pages4
JournalJournal of Biological Chemistry
Volume255
Issue number6
StatePublished - 1980
Externally publishedYes

Fingerprint

Prolactin
Growth Hormone
Nuclear RNA
Messenger RNA
RNA
Rats
Recombinant DNA
RNA Precursors
Hormones
DNA Probes
Sepharose
Plasmids
Gels
Cells
Cell Line

ASJC Scopus subject areas

  • Biochemistry

Cite this

Comparison of potential nuclear precursors for prolactin and growth hormone messenger RNA. / Maurer, Richard; Gubbins, E. J.; Erwin, C. R.; Donelson, J. E.

In: Journal of Biological Chemistry, Vol. 255, No. 6, 1980, p. 2243-2246.

Research output: Contribution to journalArticle

Maurer, Richard ; Gubbins, E. J. ; Erwin, C. R. ; Donelson, J. E. / Comparison of potential nuclear precursors for prolactin and growth hormone messenger RNA. In: Journal of Biological Chemistry. 1980 ; Vol. 255, No. 6. pp. 2243-2246.
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