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Published on: July 9, 2016
[Detection of MMTV gp52 in C3H and C3Hf strain mice]
Abstract:
Immunofluorescence in paraffine sections demonstrated the difference in expression of the membrane glycoprotein of mouse mammary tumor virus (gp52) in two mouse sublines: C3H and C3Hf. In the C3Hf the glycoprotein becomes detectable in the mammary gland in the second part of pregnancy while in C3H line mature females before pregnancy. No viral glycoprotein could be found in the spleen, liver, kidneys and other organs in males and females of the two sublines or in C3H embryos.
Insights
The mouse mammary tumor virus (gp52) glycoprotein is expressed differently in C3H and C3Hf mouse sublines. Detection in C3Hf mammary glands occurs during pregnancy, while C3H shows earlier expression.
Area of Science:
- Virology
- Immunology
- Genetics
Context:
- Mouse mammary tumor virus (MMTV) is a retrovirus associated with mammary tumors.
- Two distinct mouse sublines, C3H and C3Hf, were used to study MMTV glycoprotein expression.
- Immunofluorescence techniques were employed on paraffin-embedded tissue sections.
Purpose:
- To investigate and compare the expression patterns of the MMTV membrane glycoprotein (gp52) in C3H and C3Hf mouse sublines.
- To determine the tissue-specific and temporal expression of gp52 during different physiological states.
Summary:
- Immunofluorescence revealed differential expression of MMTV gp52 between C3H and C3Hf mouse sublines.
- In C3Hf mice, gp52 is detectable in mammary glands during late pregnancy.
- In contrast, C3H mice exhibit gp52 expression in mature females before pregnancy.
Impact:
- Highlights genetic or regulatory differences influencing MMTV glycoprotein expression in distinct mouse strains.
- Provides insights into the early events of MMTV replication and pathogenesis.
- Suggests potential strain-specific susceptibility or resistance to MMTV-induced mammary tumorigenesis.
