Crossref journal-article
American Association for the Advancement of Science (AAAS)
Science (221)
Abstract

The amount of the heterotrimeric G protein subunit Gα i2 decreases after the induction of F9 teratocarcinoma cells to become primitive endoderm in the presence of retinoic acid (RA). The reduction of the Gα i2 protein in F9 cells by antisense RNA expression was associated with (i) loss of receptor-mediated inhibition of adenylyl cyclase; (ii) decreased cell doubling time; (iii) induction of a primitive, endoderm-like phenotype in the absence of RA; and (iv) production of the differentiation marker tissue-type plasminogen activator. Expression of a constitutively active, mutant Gα i2 blocked RA-induced differentiation. These data suggest the involvement of Gα i2 in the control of stem cell differentiation and provide insight into the involvement of G proteins in growth regulation.

Bibliography

Watkins, D. C., Johnson, G. L., & Malbon, C. C. (1992). Regulation of the Differentiation of Teratocarcinoma Cells into Primitive Endoderm by Gβ i2. Science, 258(5086), 1373–1375.

Authors 3
  1. David C. Watkins (first)
  2. Gary L. Johnson (additional)
  3. Craig C. Malbon (additional)
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Dates
Type When
Created 18 years, 11 months ago (Oct. 5, 2006, 7:03 p.m.)
Deposited 1 year, 7 months ago (Jan. 10, 2024, 9:58 p.m.)
Indexed 1 year, 2 months ago (June 17, 2024, 4:37 p.m.)
Issued 32 years, 9 months ago (Nov. 20, 1992)
Published 32 years, 9 months ago (Nov. 20, 1992)
Published Print 32 years, 9 months ago (Nov. 20, 1992)
Funders 0

None

@article{Watkins_1992, title={Regulation of the Differentiation of Teratocarcinoma Cells into Primitive Endoderm by Gβ i2}, volume={258}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1455234}, DOI={10.1126/science.1455234}, number={5086}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Watkins, David C. and Johnson, Gary L. and Malbon, Craig C.}, year={1992}, month=nov, pages={1373–1375} }