JORMA KESKI-OJA Two types of transforming growth factors (TGF) have been purified and well characterized, TGFa and TGFP. TGFa is a 5.6 kD single chain molecule that shows sequence homology to epidermal growth factor (EGF), binds to the EGF receptor, and has biological effects very similar to those o
Transforming growth factor type β regulation of actin mRNA
✍ Scribed by Edward B. Leof; Jacqueline A. Proper; Michael J. Getz; Harold L. Moses
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 705 KB
- Volume
- 127
- Category
- Article
- ISSN
- 0021-9541
No coin nor oath required. For personal study only.
✦ Synopsis
Stimulation of quiescent cultures of AKR-2B cells with transforming growth factor type P (TGFP) resulted in a transitory increase in actin cytoplasmic poly(A) + RNA. Levels of actin rnRNA peaked approximately 4-8 hours subsequent to TGFP addition and approached basal levels by 24 hours. The accumulation of actin transcripts was dose dependent and insensitive to inhibitors of protein synthesis; 1-3 nglml TGFP induced maximal actin gene expression. Actin isotype-specific probes demonstrated that both @-and y-cytoplasmic actins are induced by TGFP.
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