Differential c‐jun expression in response to tumor promoters in JB6 cells sensitive or resistant to neoplastic transformation

ET Ben‐Ari, LR Bernstein… - Molecular …, 1992 - Wiley Online Library
The activity of AP‐1, a trans‐acting transcription factor, is stimulated by 12‐O‐
tetradecanoylphorbol‐13‐acetate (TPA) and epidermal growth factor (EGF) in promotion …

c‐jun and multistage carcinogenesis: Association of overexpression of introduced c‐jun with progression toward a neoplastic endpoint in mouse JB6 cells sensitive to …

RG Watts, ET Ben‐Ari, LR Bernstein… - Molecular …, 1995 - Wiley Online Library
Tumor promoters such as 12‐O‐tetradecanoylphorbol‐13‐acetate (TPA) and epidermal
growth factor (EGF) induce neoplastic transformation, elevated c‐jun protein expression …

Regulation of the transcription factor AP‐1 in benign and malignant mouse keratinocyte cells

E Joseloff, GT Bowden - … in cooperation with the University of …, 1997 - Wiley Online Library
The mouse benign keratinocyte cell line 308 was previously shown to have less AP‐1 DNA
binding and transactivation ability than its malignant variant 10Gy5. Because elevated AP‐1 …

12‐O‐tetradecanoylphorbol‐13‐acetate—induced levels of ap‐1 proteins: a 46‐kda protein immunoprecipitated by anti‐fra‐1 and induced in promotion‐resistant but …

LR Bernstein, R Bravo, NH Colburn - Molecular carcinogenesis, 1992 - Wiley Online Library
Neoplastic transformation and transcriptional activation by activator protein‐1 (AP‐1)
complex are stimulated by tumor‐promoting agents in promotion‐sensitive (P+) but not …

Blocking of tumor promoter-induced AP-1 activity inhibits induced transformation in JB6 mouse epidermal cells.

Z Dong, MJ Birrer, RG Watts… - Proceedings of the …, 1994 - National Acad Sciences
AP-1 transcriptional activity is stimulated by the transformation promoters phorbol 12-
myristate 13-acetate (" 12-O-tetradecanoylphorbol 13-acetate," TPA) and epidermal growth …

AP-1 activity during normal human keratinocyte differentiation: evidence for a cytosolic modulator of AP-1/DNA binding

P Briata, F D'Anna, AT Franzi, R Gherzi - Experimental cell research, 1993 - Elsevier
Increased levels of c-fos and c-jun expression have been observed in differentiating
epithelial cells. However, no data are available on activator protein 1 (AP-1) activity during …

Alteration of Jun proto‐oncogene status by plasmid transfection affects growth of human ovarian cancer cells

B Neyns, E Teugels, C Bourgain… - … journal of cancer, 1999 - Wiley Online Library
The AP‐1 transcription factor (the Jun and Fos proteins) is suspected of playing an important
role in the biology of human cancer. Human epithelial ovarian tumors and cancer cell lines …

Transgenic mice demonstrate AP-1 (activator protein-1) transactivation is required for tumor promotion

MR Young, JJ Li, M RINCon… - Proceedings of the …, 1999 - National Acad Sciences
Activator protein-1 (AP-1) is a transcription factor that consists of either a Jun-Jun
homodimer or a Jun-Fos heterodimer. Transactivation of AP-1 is required for tumor promoter …

Progressive elevation of AP-1 activity during preneoplastic-to-neoplastic progression as modeled in mouse JB6 cell variants

ZG Dong, RG Watts, Y Sun… - … journal of oncology, 1995 - spandidos-publications.com
The JB6 mouse epidermal cell system has been used extensively as an in vitro model for the
study of tumor promotion and progression. The present study was directed to assessing the …

[HTML][HTML] Serum-independent phosphorylation of c-Jun and alterations in AP-1 components by transformation with various oncogenes.

S Kamada, K Toyoshima, T Akiyama - Journal of Biological Chemistry, 1994 - Elsevier
To understand the mechanisms regulating the transactivating activity of Jun/AP-1, we
analyzed alterations in c-Jun induced by growth stimulation and cell transformation. Serum …