Abstract
We have investigated the sexual dimorphism of the mouse major urinary proteins (MUPs) by isoelectric focusing (IEF). In each of two inbred strains which have different male patterns (C57BL and BALB/c), the females show a simpler pattern with fewer prominent components. The main female component is different in each strain, and these may be the products of allelic structural genes. Treatment with testosterone induces the excretion of MUPs with the male pattern. The in vitro translation of hybrid-selected MUP mRNA was studied in the same way. Again, the female patterns were simpler than the male, and the patterns obtained with female mRNA from the two inbred strains were different. When the females were treated with testosterone, a male or male-like pattern was obtained. We argue that some MUP structural genes are quite actively transcribed in females and that the transcription of others is dependent to different degrees upon induction by testosterone.
MeSH Terms
Animals
Female
Genes
In Vitro Techniques
Liver/metabolism
Male
Mice
Mice, Inbred BALB C
Mice, Inbred C57BL
Protein Biosynthesis
Proteins/genetics
RNA, Messenger/genetics
Sex
Testosterone/pharmacology
Transcription, Genetic/drug effects
Chemicals
Proteins
RNA, Messenger
major urinary proteins
Testosterone
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Clissold P M
Hainey S
Bishop J O
References (17)
17 references, click to expand
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