TY - JOUR
T1 - Long noncoding RNAs as putative biomarkers for prostate cancer detection
AU - Lee, Bongyong
AU - Mazar, Joseph
AU - Aftab, Muhammad N.
AU - Qi, Feng
AU - Shelley, John
AU - Li, Jian Liang
AU - Govindarajan, Subramaniam
AU - Valerio, Felipe
AU - Rivera, Inoel
AU - Thurn, Tadzia
AU - Tran, Tien Anh
AU - Kameh, Darian
AU - Patel, Vipul
AU - Perera, Ranjan J.
N1 - Funding Information:
Supported by NIH/National Cancer Institute grant 5P30CA030199 (R.J.P.) and the International Prostate Cancer Foundation (B.L.).
Publisher Copyright:
© 2014 American Society for Investigative Pathology and the Association for Molecular Pathology.
PY - 2014/11/1
Y1 - 2014/11/1
N2 - Prostate cancer is one of the leading causes of mortality among US males. There is an urgent unmet need to develop sensitive and specific biomarkers for the early detection of prostate cancer to reduce overtreatment and accompanying morbidity. We identified a group of differentially expressed long noncoding RNAs in prostate cancer cell lines and patient samples and further characterized six long noncoding RNAs (AK024556, XLOC-007697, LOC100287482, XLOC-005327, XLOC-008559, and XLOC-009911) in prostatic adenocarcinoma tissue samples (Gleason score >6.0) and compared them with matched normal (healthy) tissues. Interestingly, these markers were also successfully detected in patient urine samples and were found to be up-regulated when compared with normal (healthy) urine. AK024556 (SPRY4-IT1) was highly up-regulated in human prostate cancer cell line PC3 but not in LNCaP, and siRNA knockdown of SPRY4-IT1 in PC3 cells inhibited cell proliferation and invasion and increased cell apoptosis. Chromogenic in situ hybridization assay was developed to detect long noncoding RNAs in primary prostatic adenocarcinoma tissue samples, paving the way for clinical diagnostics. We believe that these results will set the stage for more extensive studies to develop novel long noncoding RNA-based diagnostic assays for early prostate cancer detection and will help to distinguish benign prostate cancer from precancerous lesions.
AB - Prostate cancer is one of the leading causes of mortality among US males. There is an urgent unmet need to develop sensitive and specific biomarkers for the early detection of prostate cancer to reduce overtreatment and accompanying morbidity. We identified a group of differentially expressed long noncoding RNAs in prostate cancer cell lines and patient samples and further characterized six long noncoding RNAs (AK024556, XLOC-007697, LOC100287482, XLOC-005327, XLOC-008559, and XLOC-009911) in prostatic adenocarcinoma tissue samples (Gleason score >6.0) and compared them with matched normal (healthy) tissues. Interestingly, these markers were also successfully detected in patient urine samples and were found to be up-regulated when compared with normal (healthy) urine. AK024556 (SPRY4-IT1) was highly up-regulated in human prostate cancer cell line PC3 but not in LNCaP, and siRNA knockdown of SPRY4-IT1 in PC3 cells inhibited cell proliferation and invasion and increased cell apoptosis. Chromogenic in situ hybridization assay was developed to detect long noncoding RNAs in primary prostatic adenocarcinoma tissue samples, paving the way for clinical diagnostics. We believe that these results will set the stage for more extensive studies to develop novel long noncoding RNA-based diagnostic assays for early prostate cancer detection and will help to distinguish benign prostate cancer from precancerous lesions.
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U2 - 10.1016/j.jmoldx.2014.06.009
DO - 10.1016/j.jmoldx.2014.06.009
M3 - Article
C2 - 25307116
AN - SCOPUS:84908092021
SN - 1525-1578
VL - 16
SP - 615
EP - 626
JO - Journal of Molecular Diagnostics
JF - Journal of Molecular Diagnostics
IS - 6
ER -