Induced expression of dominant‐negative c‐jun downregulates NFκB and AP‐1 target genes and suppresses tumor phenotype in human keratinocytes

JJ Li, Y Cao, MR Young… - … : Published in cooperation …, 2000 - Wiley Online Library
Neoplastically transformed mouse and human keratinocytes elevate transactivation of both
activator protein 1 (AP‐1) and nuclear factor κB (NFκB) transcription factors. The present …

Expression of dominant negative Jun inhibits elevated AP-1 and NF-κB transactivation and suppresses anchorage independent growth of HPV immortalized human …

JJ Li, JS Rhim, R Schlegel, KH Vousden, NH Colburn - Oncogene, 1998 - nature.com
AP-1 transactivation appears to be required for mouse JB6 cell neoplastic transformation
induced by the tumor promoter TPA or epidermal growth factor (EGF). Exposure to AP-1 …

A dominant negative mutant of jun blocking 12‐O‐tetradecanoylphorbol‐13‐acetate–induced invasion in mouse keratinocytes

Z Dong, HC Crawford, V Lavrovsky… - … in cooperation with …, 1997 - Wiley Online Library
We previously reported that induced activator protein‐1 (AP‐1) transcriptional activity
appears to be required for tumor promoter–induced transformation in mouse epidermal JB6 …

Differential inhibition of UVB‐induced AP‐1 and NF‐κB transactivation by components of the jun bZIP domain

S Cooper, J Ranger‐Moore… - … in cooperation with the …, 2005 - Wiley Online Library
Potential targets for chemoprevention of nonmelanoma skin cancer include UV‐induced
nuclear factor κB (NF‐κB) and activator protein‐1 (AP‐1) activation in keratinocytes …

Dominant-negative activator protein 1 (TAM67) targets cyclooxygenase-2 and osteopontin under conditions in which it specifically inhibits tumorigenesis

CP Matthews, AM Birkholz, AR Baker, CM Perella… - Cancer Research, 2007 - AACR
Activation of activator protein 1 (AP-1) and nuclear factor κB (NFκB)–dependent transcription
is required for tumor promotion in cell culture models and transgenic mice. Dominant …

Inhibitors of both nuclear factor-κB and activator protein-1 activation block the neoplastic transformation response

JJ Li, C Westergaard, P Ghosh, NH Colburn - Cancer Research, 1997 - AACR
Cross-coupling of active protein-1 (AP-1) and nuclear factor (NF)-κB has been reported. In
the present study, we investigated the possibility that both of these two transcription factors …

Transformation nonresponsive cells owe their resistance to lack of p65/nuclear factor-κB activation

TC Hsu, R Nair, P Tulsian, CE Camalier, GA Hegamyer… - Cancer research, 2001 - AACR
Clonal variants of mouse epidermal JB6 cells that are genetically susceptible (P+) or
resistant (P−) to tumor promoter-induced neoplastic transformation exhibit differential …

Mechanism of action of a dominant negative c‐jun mutant in inhibiting activator protein‐1 activation

EJ Thompson, A Gupta, MS Stratton… - … in cooperation with …, 2002 - Wiley Online Library
The dominant negative c‐jun TAM‐67 has been shown to inhibit tumor promotion induced
by 12‐O‐tetradecanoylphorbol‐13‐acetate and okadaic acid (OA). To better understand this …

Nuclear factor-κB is an important modulator of the altered gene expression profile and malignant phenotype in squamous cell carcinoma

A Loercher, TL Lee, JL Ricker, A Howard… - Cancer research, 2004 - AACR
We reported previously that transcription factor nuclear factor (NF)-κB is constitutively
activated in human and murine squamous cell carcinomas (SCCs). The role of NF-κB in the …

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

MR Young, JJ Li, M Rincón… - 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 …