Cross‐talks between cyclooxygenase‐2 and tumor suppressor protein p53: balancing life and death during inflammatory stress and carcinogenesis

E de Moraes, NA Dar… - … journal of cancer, 2007 - Wiley Online Library
Abstract Overexpression of Cyclooxygenase‐2 (COX‐2) is observed in most tumor types.
Increased COX‐2 activity and synthesis of prostaglandins stimulates proliferation …

[HTML][HTML] Cyclooxygenase-2 functionally inactivates p53 through a physical interaction with p53

EM Choi, SR Kim, EJ Lee, JA Han - Biochimica et Biophysica Acta (BBA) …, 2009 - Elsevier
Cyclooxygenase-2 (COX-2), an endoplasmic reticulum-resident protein, has been known to
promote tumorigenesis, but the exact mechanisms involved have not been identified. We …

Cyclooxygenase-2 interacts with p53 and interferes with p53-dependent transcription and apoptosis

CA Corcoran, Q He, Y Huang, MS Sheikh - Oncogene, 2005 - nature.com
Abstract Cyclooxygenase-2 (COX-2) has been implicated in a variety of human
malignancies and, accordingly, COX-2 selective inhibitors are being investigated as …

Cyclooxygenase-2 suppresses hypoxia-induced apoptosis via a combination of direct and indirect inhibition of p53 activity in a human prostate cancer cell line

XH Liu, A Kirschenbaum, K Yu, S Yao… - Journal of Biological …, 2005 - ASBMB
Although p53-inactivating mutations have been described in the majority of human cancers,
their role in prostate cancer is controversial as mutations are uncommon, particularly in early …

Transcriptional activation of cyclooxygenase-2 by tumor suppressor p53 requires nuclear factor-kappaB

V Benoit, E De Moraes, NA Dar, E Taranchon, V Bours… - Oncogene, 2006 - nature.com
Abstract Overexpression of cyclooxygenase-2 (Cox-2) is thought to exert antiapoptotic
effects in cancer. Here we show that the tumor suppressor p53 upregulated Cox-2 in …

COX-2 regulates p53 activity and inhibits DNA damage-induced apoptosis

EM Choi, JI Heo, JY Oh, YM Kim, KS Ha, JI Kim… - Biochemical and …, 2005 - Elsevier
We have previously shown that p53 induces cyclooxygenase-2 (COX-2) expression and
COX-2 inhibits p53-or genotoxic stress-induced apoptosis. However, the COX-2 effects have …

[HTML][HTML] P53‐mediated induction of Cox‐2 counteracts p53‐or genotoxic stress‐induced apoptosis

JA Han, JI Kim, PP Ongusaha, DH Hwang… - The EMBO …, 2002 - embopress.org
The identification of transcriptional targets of the tumor suppressor p53 is crucial in
understanding mechanisms by which it affects cellular outcomes. Through expression array …

Role of p53 in the induction of cyclooxygenase-2 by cisplatin or paclitaxel in non-small cell lung cancer cell lines

ML Duarte, E de Moraes, E Pontes, L Schluckebier… - Cancer letters, 2009 - Elsevier
Non-small cell lung Cancer (NSCLC) is extremely resistant to chemotherapeutic agents,
such as cisplatin. High expression of the inflammatory enzyme Cyclooxygenase-2 (COX-2) …

Inhibition of cyclooxygenase-2 gene expression by p53

K Subbaramaiah, N Altorki, WJ Chung… - Journal of Biological …, 1999 - ASBMB
Oncogenes enhance the expression of cyclooxygenase (Cox)-2, but interactions between
tumor suppressor genes and Cox-2 have not been studied. In the present work, we have …

p38 regulates cyclooxygenase-2 in human mammary epithelial cells and is activated in premalignant tissue

ML Gauthier, CR Pickering, CJ Miller, CA Fordyce… - Cancer research, 2005 - AACR
The immediate-early gene, cyclooxygenase-2 (COX-2), is induced in a variety of
inflammatory and neoplastic processes and is believed to play an important role in …