The tumor suppressor rpl36 restrains KRASG12V-induced pancreatic cancer

Elayne Provost, Jennifer M. Bailey, Sumar Aldrugh, Shu Liu, Christine Iacobuzio-Donahue, Steven D. Leach

Research output: Contribution to journalArticlepeer-review

Abstract

Ribosomal proteins are known to be required for proper assembly of mature ribosomes. Recent studies indicate an additional role for ribosomal proteins as candidate tumor suppressor genes. Pancreatic acinar cells, recently identified as effective cells of origin for pancreatic adenocarcinoma, display especially high-level expression of multiple ribosomal proteins. We, therefore, functionally interrogated the ability of two ribosomal proteins, rpl36 and rpl23a, to alter the response to oncogenic Kras in pancreatic acinar cells using a newly established model of zebrafish pancreatic cancer. These studies reveal that rpl36, but not rpl23a, acts as a haploinsufficient tumor suppressor, as manifested by more rapid tumor progression and decreased survival in rpl36hi1807/+;ptf1a:gal4VP16Tg;UAS:GFP-KRASG12V fish compared with their rpl36+/+;ptf1a:gal4VP16;UAS:GFP-KRASG12V siblings. These results suggest that rpl36 may function as an effective tumor suppressor during pancreatic tumorigenesis.

Original languageEnglish (US)
Pages (from-to)551-559
Number of pages9
JournalZebrafish
Volume11
Issue number6
DOIs
StatePublished - Dec 1 2014

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Developmental Biology

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