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Prenatal and postnatal expression of mRNA coding for rat prothrombin.
1Department of Pediatrics, Children's Hospital Research Foundation, Cincinnati, OH 45229.
Biochimica Et Biophysica Acta
|February 16, 1991
Summary
Prothrombin mRNA levels increase significantly in rat liver late in gestation and after birth. Expression is also found in other maternal and fetal tissues, varying with developmental and postpartum influences.
Area of Science:
- Biochemistry
- Developmental Biology
- Molecular Biology
Background:
- Prothrombin is crucial for blood coagulation.
- Understanding prothrombin mRNA expression patterns is key to comprehending its regulation during development.
Purpose of the Study:
- To analyze prothrombin mRNA tissue distribution in prenatal and postnatal rats.
- To correlate liver prothrombin mRNA levels with plasma prothrombin during development.
- To investigate maternal tissue prothrombin mRNA responses to pregnancy and postpartum changes.
Main Methods:
- Northern blot analysis for prothrombin mRNA detection.
- Solution hybridization for quantitative analysis of mRNA levels.
- Analysis of fetal, maternal, and postnatal rat tissues.
Main Results:
- Liver prothrombin mRNA levels increased substantially late in gestation, peaking 13 days post-birth.
- Prothrombin mRNA was detected in diaphragm, stomach, intestine, kidney, spleen, and adrenal tissues.
- Maternal liver showed increased prothrombin mRNA during late pregnancy, decreasing postpartum. Placental tissue also expressed prothrombin mRNA.
Conclusions:
- Prothrombin mRNA expression is dynamic and tissue-specific during rat development.
- Prenatal and postnatal factors significantly influence prothrombin mRNA levels.
- These findings provide insights into the developmental regulation of prothrombin synthesis.