Abstract
pip92 is a cellular immediate-early gene inducible by serum growth factors in fibroblasts. It is also induced in the rat pheochromocytoma cell line PC12 by agents that cause proliferation, neuronal differentiation, and membrane depolarization. We show that the pip92-encoded polypeptide is a proline-rich protein of 221 amino acids, has an extremely short half-life, and is localized in the cytoplasm. We hypothesize that Pip92 plays a role in mediating the cellular responses to a variety of extracellular signals.
MeSH Terms
Adrenal Gland Neoplasms
Amino Acid Sequence
Animals
Base Sequence
Cell Line
DNA/genetics
Fibroblast Growth Factors/pharmacology
Gene Library
Growth Substances/pharmacology
Half-Life
Immediate-Early Proteins
Mice
Molecular Sequence Data
Peptide Biosynthesis
Peptides/genetics,metabolism
Pheochromocytoma
Platelet-Derived Growth Factor/pharmacology
Proline-Rich Protein Domains
Protein Biosynthesis
Proteins/genetics,metabolism
RNA, Messenger/genetics
Rats
Tetradecanoylphorbol Acetate/pharmacology
Chemicals
Growth Substances
Immediate-Early Proteins
Peptides
Platelet-Derived Growth Factor
Proteins
RNA, Messenger
pip92 protein, rat
Ier2 protein, mouse
Fibroblast Growth Factors
DNA
Tetradecanoylphorbol Acetate
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Charles C H
Department of Genetics, University of Illinois College of Medicine, Chicago 60612.
Simske J S
O'Brien T P
Lau L F
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