Oncogenic Ras induces inflammatory cytokine production by upregulating the squamous cell carcinoma antigens SerpinB3/B4

Joseph M. Catanzaro, Namratha Sheshadri, Ji An Pan, Yu Sun, Chanjuan Shi, Jinyu Li, R. Scott Powers, Howard C. Crawford, Wei Xing Zong

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Mounting evidence indicates that oncogenic Ras can modulate cell autonomous inflammatory cytokine production, although the underlying mechanism remains unclear. Here we show that squamous cell carcinoma antigens 1 and 2 (SCCA1/2), members of the Serpin family of serine/cysteine protease inhibitors, are transcriptionally upregulated by oncogenic Ras via MAPK and the ETS family transcription factor PEA3. Increased SCCA expression leads to inhibition of protein turnover, unfolded protein response, activation of NF-ΰ B and is essential for Ras-mediated cytokine production and tumour growth. Analysis of human colorectal and pancreatic tumour samples reveals a positive correlation between Ras mutation, enhanced SCCA expression and IL-6 expression. These results indicate that SCCA is a Ras-responsive factor that plays an important role in Ras-associated cytokine production and tumorigenesis.

Original languageEnglish (US)
Article number3729
JournalNature Communications
Volume5
DOIs
StatePublished - Apr 23 2014

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antigens
cancer
Cytokines
Tumors
tumors
Serpins
proteins
Cysteine Proteinase Inhibitors
Unfolded Protein Response
Protein Unfolding
protease
Serine Proteinase Inhibitors
cysteine
mounting
mutations
Mountings
inhibitors
Serine
Colorectal Neoplasms
Interleukin-6

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Chemistry(all)
  • Physics and Astronomy(all)

Cite this

Oncogenic Ras induces inflammatory cytokine production by upregulating the squamous cell carcinoma antigens SerpinB3/B4. / Catanzaro, Joseph M.; Sheshadri, Namratha; Pan, Ji An; Sun, Yu; Shi, Chanjuan; Li, Jinyu; Powers, R. Scott; Crawford, Howard C.; Zong, Wei Xing.

In: Nature Communications, Vol. 5, 3729, 23.04.2014.

Research output: Contribution to journalArticle

Catanzaro, JM, Sheshadri, N, Pan, JA, Sun, Y, Shi, C, Li, J, Powers, RS, Crawford, HC & Zong, WX 2014, 'Oncogenic Ras induces inflammatory cytokine production by upregulating the squamous cell carcinoma antigens SerpinB3/B4', Nature Communications, vol. 5, 3729. https://doi.org/10.1038/ncomms4729
Catanzaro, Joseph M. ; Sheshadri, Namratha ; Pan, Ji An ; Sun, Yu ; Shi, Chanjuan ; Li, Jinyu ; Powers, R. Scott ; Crawford, Howard C. ; Zong, Wei Xing. / Oncogenic Ras induces inflammatory cytokine production by upregulating the squamous cell carcinoma antigens SerpinB3/B4. In: Nature Communications. 2014 ; Vol. 5.
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