1. Ozawa, T., et al., Log odds of positive lymph nodes as a prognostic indicator in stage IV colorectal cancer patients undergoing curative resection. Journal of surgical oncology, 2015. 111(4): p. 465-471.
2. Dolatkhah, R., et al., Colorectal Cancer in Iran: Molecular Epidemiology and Screening Strategies. Journal of Cancer Epidemiology, 2015. 2015.
3. Hassan, C., et al., Efficacy and safety of endoscopic resection of large colorectal polyps: a systematic review and meta-analysis. Gut, 2015: p. gutjnl-2014-308481.
4. Sun, D.-w., et al., Prognostic significance of MMP-7 expression in colorectal cancer: A meta-analysis. Cancer epidemiology, 2015. 39(2): p. 135-142.
5. Vatandoost, N., et al., Early detection of colorectal cancer: from conventional methods to novel biomarkers. Journal of cancer research and clinical oncology, 2015: p. 1-11.
6. Dawood, S., L. Austin, and M. Cristofanilli, Cancer Stem Cells: Implications for Cancer Therapy. Oncology (Williston Park, NY), 2014. 28(12).
7. Kozovska, Z., V. Gabrisova, and L. Kucerova, Colon cancer: Cancer stem cells markers, drug resistance and treatment. Biomedicine & Pharmacotherapy, 2014. 68(8): p. 911-916.
8. Cox, D.N., et al., A novel class of evolutionarily conserved genes defined by piwi are essential for stem cell self-renewal. Genes Dev, 1998. 12(23): p. 3715-27.
9. Seto, A.G., R.E. Kingston, and N.C. Lau, The coming of age for Piwi proteins. Mol Cell, 2007. 26(5): p. 603-9.
10. Sharma, A.K., et al., Human CD34(+) stem cells express the hiwi gene, a human homologue of the Drosophila gene piwi. Blood, 2001. 97(2): p. 426-34.
11. Qiao, D., et al., Molecular characterization of hiwi, a human member of the piwi gene family whose overexpression is correlated to seminomas. Oncogene, 2002. 21(25): p. 3988-3999.
12. Taubert, H., et al., Expression of the stem cell self-renewal gene Hiwi and risk of tumour-related death in patients with soft-tissue sarcoma. Oncogene, 2007. 26(7): p. 1098-1100.
13. Taubert, H., et al., Stem cell-associated genes are extremely poor prognostic factors for soft-tissue sarcoma patients. Oncogene, 2007. 26(50): p. 7170-7174.
14. Sun, G., et al., Clinical significance of Hiwi gene expression in gliomas. Brain research, 2011. 1373: p. 183-188.
15. He, W., et al., Expression of HIWI in human esophageal squamous cell carcinoma is significantly associated with poorer prognosis. BMC cancer, 2009. 9(1): p. 426.
16. Grochola, L., et al., The stem cell-associated Hiwi gene in human adenocarcinoma of the pancreas: expression and risk of tumour-related death. British journal of cancer, 2008. 99(7): p. 1083-1088.
17. Jiang, J., et al., Expression of HIWI in human hepatocellular carcinoma. Cell biochemistry and biophysics, 2011. 61(1): p. 53-58.
18. Liu, X., et al., Expression of hiwi gene in human gastric cancer was associated with proliferation of cancer cells. International journal of cancer, 2006. 118(8): p. 1922-1929.
19. Araújo, T., et al., Piwi like RNA-mediated gene silencing 1 gene as a possible major player in gastric cancer. World J Gastroenterol, 2018. 24(47): p. 5338-5350.
20. Qiao, D., et al., Molecular characterization of hiwi, a human member of the piwi gene family whose overexpression is correlated to seminomas. Oncogene, 2002. 21(25): p. 3988-99.
21. Wang, Y., et al., Overexpression of Hiwi Inhibits the Growth and Migration of Chronic Myeloid Leukemia Cells. Cell Biochem Biophys, 2015. 73(1): p. 117-24.
22. Gao, Y., et al., Isolation and characterization of proliferative, migratory and multidrug-resistant endometrial carcinoma-initiating cells from human type II endometrial carcinoma cell lines. Oncology reports, 2012. 28(2): p. 527-532.
23. Raeisossadati R, et al., Aberrant expression of DPPA2 and HIWI genes in colorectal cancer and their impacts on poor prognosis. Tumour Biol, 2014. 35: p. 5299-305.
24. Zeng Y, et al., HIWI expression profile in cancer cells and its prognostic value for patients with colorectal cancer. Chin Med J 2011. 124: p. 2144-9.
25. Litwin M, et al., Correlation of HIWI and HILI Expression with Cancer Stem Cell Markers in Colorectal Cancer. Anticancer Res, 2015. 35: p. 3317-24.
26. Strimpakos, A., et al., The impact of carcinoembryonic antigen flare in patients with advanced colorectal cancer receiving first-line chemotherapy. Annals of oncology, 2010. 21(5): p. 1013-1019.
27. Wang DW, et al., Overexpression of hiwi promotes growth of human breast cancer cells. Asian Pac J Cancer Prev, 2014. 15: p. 7553-8.
28. He W, et al., Expression of HIWI in human esophageal squamous cell carcinoma is significantly associated with poorer prognosis. BMC Cancer, 2009. 9: p. 426.
29. Liu X, et al., Expression of hiwi gene in human gastric cancer was associated with proliferation of cancer cells. Int J Cancer, 2006. 118: p. 1922-9.
30. Yang L, et al., Hiwi Promotes the Proliferation of Colorectal Cancer Cells via Upregulating Global DNA Methylation. Disease Markers, 2015. 383056: p. 1-10.