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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: Pharmacol Ther. 2015 Aug 20;155:105–116. doi: 10.1016/j.pharmthera.2015.08.007

Table 1. CTSL upregulation in human cancers.

Cancer type Observations Citations
Colorectal cancer Higher expression and activity in tumors, correlation with ras, association with uPA and PAI levels, CTSL levels could be of diagnostic significance Adenis, et al., 1995; Anestakis Doxakis, 2013; Herszenyi, et al., 1999; Sheahan, et al., 1989; Troy, et al., 2004
Breast cancer CTSL upregulation and increased activity in high grade tumors Lah, et al., 1997
Chronic myeloid leukemia Correlation with disease progression, metastatic incidence and overall survival, upregulation due to promoter hypomethylation Samaiya, et al., 2011
Pediatric acute myeloid leukemia CTSL upregulation, inverse correlation with endogenous inhibitor cystatin C, positive association with key AML angiogenesis factor VEGF Jain, Bakhshi, Shukla, & Chauhan, 2010
Melanoma Increased CTSL activity in melanocytic tumors compared to pigmented nevi and normal dermis Frohlich, et al., 2001; Kageshita, et al., 1995
Gastrointestinal stromal tumors and gastric cancers Overexpression and positive correlation with c-kit expression Dohchin, et al., 2000; Farinati, et al., 1996; Miyamoto, et al., 2011; Watanabe, et al., 1987; Watanabe, et al., 1989
Endometrial cancer CTSL upregulation and correlation with growth regulatory genes and HER2 receptor status Skrzypczak, et al., 2012
Pancreatic cancer CTSL upregulation in tumor as well as tumor associated macrophages Niedergethmann, et al., 2004; Singh, et al., 2013; Sulpizio, et al., 2012
Glioma Correlation with glioma progression with expression profile of low grade glioma < anaplastic astrocytoma < glioblastoma Sivaparvathi, et al., 1996
Lung cancer Higher CTSL activity in lung cancer compared to non-malignant tissue, association with tumor grade, upregulated serum levels Chen, et al., 2011
Nasopharyngeal carcinoma Overexpression in primary tumor and cervical lymph node metastases Xu, Yuan, Liu, Zhang, & Chen, 2009
Oral squamous cell carcinoma Elevated CTSL expression correlated with lymph node metastasis and poor survival, CTSL overexpression increases the likelihood of progression of oral dysplastic lesions into carcinomas Macabeo-Ong, et al., 2003; Nakashima, Yasumatsu, Masuda, Clayman, & Komune, 2012