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Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Proc+Natl+Acad+Sci+U+S+A 2015 ; 112 (27): 8403-8 Nephropedia Template TP
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PRUNE2 is a human prostate cancer suppressor regulated by the intronic long noncoding RNA PCA3 #MMPMID26080435
Salameh A; Lee AK; Cardó-Vila M; Nunes DN; Efstathiou E; Staquicini FI; Dobroff AS; Marchiò S; Navone NM; Hosoya H; Lauer RC; Wen S; Salmeron CC; Hoang A; Newsham I; Lima LA; Carraro DM; Oliviero S; Kolonin MG; Sidman RL; Do KA; Troncoso P; Logothetis CJ; Brentani RR; Calin GA; Cavenee WK; Dias-Neto E; Pasqualini R; Arap W
Proc Natl Acad Sci U S A 2015[Jul]; 112 (27): 8403-8 PMID26080435show ga
Prostate cancer has an unpredictable natural history: While most tumors are clinically indolent, some patients display lethal phenotypes. Serum prostate-specific antigen is the most often used test in prostate cancer but screening is controversial. Treatment options are limited for metastatic disease, hence the need for early diagnosis. Prostate cancer antigen 3 (PCA3), a long noncoding RNA, is the most specific biomarker identified and approved as a diagnostic test. However, its inherent biological function (if any) has remained elusive. We uncovered a negative transdominant oncogenic role for PCA3 that down-regulates an unrecognized tumor suppressor gene, PRUNE2 (a human homolog of the Drosophila prune gene) thereby promoting malignant cell growth. This work defines a unique biological function for PCA3 in prostate cancer.