2005 |
PIWIL2 |
Upregulated |
Testicular seminoma |
Inhibition of apoptosis and promotion of proliferation via Stat3/Bcl-XL signaling pathway [18] |
2006 |
PIWIL1 |
Upregulated |
Human gastric cancer |
Cell proliferation [19] |
2007 |
PIWIL1 |
Upregulated |
Soft tissue sarcoma |
Stem cell proliferation [20] |
2008 |
PIWIL1 |
Up/down-regulated |
Adenocarcinoma |
Poor prognosis and death [21] |
2009 |
PIWIL1 |
Presence in cytoplasm |
Esophageal squamous cell carcinoma |
Poor prognosis [22] |
2010 |
PIWIL2 |
Varied |
Cervical neoplasia |
Biomarker [23] |
2010 |
PIWIL2 |
Upregulated |
Human breast cancers |
Biomarker [24] |
2011 |
PIWIL1 |
Upregulated |
Glioma |
Tumor progression, poor outcome, and biomarker [25] |
2011 |
piR-651 |
Upregulated |
Gastric, colon, lung, and breast cancer |
Increases cell proliferation [26] |
2011 |
PIWIL1 |
Upregulated |
Colorectal cancer |
Leads to poor overall survival, biomarker [27] |
2012 |
piR-823 |
Downregulated |
Gastric cancer |
Increases cell proliferation [28] |
2012 |
PIWIL2 |
Upregulated |
Colon cancer |
Metastasis [29] |
2013 |
PIWI |
Upregulated |
Stage III epithelial ovarian cancer |
Promotes metastasis, biomarker [30] |
2013 |
piR-932 |
Upregulated |
Breast cancer |
Positive regulator of breast cancer stem cells [31] |
2014 |
PIWIL1 |
Upregulated |
Human breast cancer |
Cell proliferation [32] |
2014 |
piRNA-823 |
Upregulated |
Multiple myeloma |
Regulates angiogenesis [33] |
2014 |
PIWIL1 and PIWIL4 |
Varied |
Renal cell carcinoma |
Related to clinicopathological parameters [34] |
2014 |
PIWIL1 |
Upregulated |
Cervical cancer |
Promotes chemoresistance [35] |
2014 |
PIWIL1 |
Upregulated |
Hepatocellular carcinoma |
Reduces proliferation and migration [36] |
2015 |
piRNA-DQ594040 |
Downregulated |
Bladder cancer |
Promotes cell proliferation, colony formation and functions against apoptosis [37] |
2015 |
piR-021285 |
Upregulated |
Breast cancer |
Epigenetic remodeling [38] |
2015 |
PIWIL2 |
Upregulated |
Prostate cancer |
Metastasis [39] |
2015 |
piR-017061 |
Downregulated |
Pancreatic cancer |
Associated with diseased condition [40] |
2015 |
piR-015551 |
Downregulated |
Colorectal cancer |
Associated with long ncRNA expression [41] |
2015 |
PIWIL1 |
Downregulated |
Chronic myeloid leukemia |
Induces growth and metastasis [42] |
2015 |
PIWIL2 |
Upregulated |
Cholangiocarcinoma |
Involved in shorter survival span and metastasis [43] |
2015 |
piR-57125 |
Downregulated |
Renal cell carcinoma |
Associated with tumor recurrence and metastasis, prognostic biomarker [44] |
piR-30924 |
Upregulated |
piR-38756 |
Upregulated |
2015 |
PIWIL1 |
Upregulated |
Type 1 endometrial cancer |
Tumor progression by downregulating PTEN [45] |
2015 |
PIWIL2 |
Downregulated |
Bladder cancer |
Related to disease specific and progression free survival [46] |
2016 |
PIWIL4 |
Upregulated |
Breast cancer |
Metastasis, antiapoptotic activity and proliferation[47] |
2016 |
FR140858 |
Differentially expressed |
Head and neck squamous cell carcinoma |
Correlated to human papillomavirus infection [48] |
2016 |
piR-598 |
Upregulated |
Glioma |
Induces growth and proliferation [49] |
2017 |
PIWIL3 |
Upregulated |
Melanoma |
Induces metastasis [50] |
2017 |
PIWIL4 |
Upregulated |
Retinoblastoma |
Induces proliferation [51] |
2018 |
piR-5937 |
Varied |
Colon cancer |
Biomarker [52] |
piR-28876 |
2018 |
piR-8041 |
Downregulated |
Glioblastoma |
Related to tumor growth [53] |
2018 |
PIWIL1 |
Upregulated |
Gastric cancer |
Metastasis [54] |
2018 |
PIWIL1 and PIWIL2 |
Varied |
Muscle invasive urothelial bladder cancer |
Correlation with clinical factors, biomarkers [55] |
2018 |
PIWIL4 |
Upregulated |
Human breast cancer |
Cell motility [56] |
2019 |
piR-823 |
Upregulated |
Multiple myeloma |
Tumor progression [57] |
2019 |
piR-39980 |
Upregulated |
Neuroblastoma |
Tumor progression and drug resistance [58] |
2019 |
piR-36712 |
Downregulated |
Breast cancer |
Chemoresistance and tumor progression [59] |
2020 |
piR-004987 |
Upregulated |
Lung cancer |
Correlated with lung cancer from sputum as compared with normal [60] |
piR-020809 |
Upregulated |
piR-023338 |
Downregulated |
piR-011186 |
Downregulated |
2021 |
piR-hsa-211106 |
Downregulated |
Lung cancer |
Chemoresistance and tumor progression [61] |
2021 |
piR-1008 |
Upregulated |
Lung cancer |
|
piR-28231 |
Upregulated |
Lung cancer |
|
piR-11256 |
Upregulated |
Lung cancer |
|
piR-30636 |
Upregulated |
Lung cancer |
|
piR-24143 |
Upregulated |
Lung cancer |
Biomarker lung cancer [62] |
piR-6842 |
Upregulated |
Lung cancer |
|
piR-8757 |
Upregulated |
Lung cancer |
|
piR-15572 |
Upregulated |
Lung cancer |
|
piR-5444 |
Upregulated |
Lung cancer and serum exosome |
|
piR-26925 |
Upregulated |
|
|