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. 1985 Dec;5(12):3644–3646. doi: 10.1128/mcb.5.12.3644

Developmental expression of rat transforming growth factor-alpha mRNA.

D C Lee, R Rochford, G J Todaro, L P Villarreal
PMCID: PMC369199  PMID: 3870134

Abstract

Expression of the gene encoding transforming growth factor-alpha (TGF alpha) was examined in developing rat embryos by using a cloned TGF alpha cDNA as a hybridization probe. Northern blot analysis of RNA isolated from whole fetuses revealed that TGF alpha mRNA was present at relatively high levels in 8- through 10-day-old embryos and then declined to the low or undetectable level, which is characteristic of adult tissues before birth. The level of TGF alpha mRNA present during early gestation was similar to that present in retrovirus-transformed cells in culture, suggesting that TGF alpha expression is not highly localized in the embryo. These observations are consistent with the hypothesis that TGF alpha plays a role in development, possibly as a fetal growth factor.

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Selected References

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