Association of pigment epithelium derived factor expression with cancer progression and prognosis: a meta-analysis study
Abstract Background Pigment epithelium derived factor (PEDF) is a secreted protein that strongly suppresses angiogenesis and directly inhibits cancer cells proliferation. The differential expression of PEDF has been observed in multiple types of human tumors. However, it is unclear as to how PEDF ex...
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| Format: | Article |
| Language: | English |
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Springer
2021-12-01
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| Series: | Discover Oncology |
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| Online Access: | https://doi.org/10.1007/s12672-021-00457-y |
| _version_ | 1818360972308381696 |
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| author | Guo Cheng Crystal Song |
| author_facet | Guo Cheng Crystal Song |
| author_sort | Guo Cheng |
| collection | DOAJ |
| description | Abstract Background Pigment epithelium derived factor (PEDF) is a secreted protein that strongly suppresses angiogenesis and directly inhibits cancer cells proliferation. The differential expression of PEDF has been observed in multiple types of human tumors. However, it is unclear as to how PEDF expression is associated with cancer progression and if PEDF could serve as a prognostic marker for cancer patients. Methods We performed a comprehensive search for the studies on PEDF expression in 14 top-ranked types of solid tumor cancer with the highest incidence. A systemic approach was used to screen for qualified studies and to extract data. Meta-analysis was performed to investigate if PEDF expression is associated with the TNM staging, tumor size, lymph node invasion, distal metastasis and pathological grade of tumor in a pan-cancer manner. A Kaplan–Meier curve was plotted with the digitally-reconstituted patient survival data to study the effect of PEDF expression on the prognosis of cancer patients. Results A total of nine studies were selected, reviewed and analyzed. Meta-analysis suggested that decreased PEDF protein expression was associated with higher TNM staging (OR = 2.13, 95% CI: 1.61–2.81), larger tumor size (OR = 1.42, 95% CI: 1.1–1.84), larger possibility of lymph node invasion (OR = 1.68, 95% CI: 1.26–2.22) and higher pathological grade (OR = 1.6, 95% CI: 1.2–2.13). No correlation was found between PEDF expression and tumor distal metastasis, gender or age. In addition, low PEDF protein level in tumor tissue is correlated with shorter overall survival (P < 0.05). Conclusions Low PEDF protein expression in cancer is significantly associated with more advanced cancer progression and significantly poorer survival. The differential clinical outcome among patients with various PEDF expression suggests its prognostic value. |
| first_indexed | 2024-12-13T21:09:17Z |
| format | Article |
| id | doaj.art-d60b1fe9cb4a4238a77745b341700462 |
| institution | Directory Open Access Journal |
| issn | 2730-6011 |
| language | English |
| last_indexed | 2024-12-13T21:09:17Z |
| publishDate | 2021-12-01 |
| publisher | Springer |
| record_format | Article |
| series | Discover Oncology |
| spelling | doaj.art-d60b1fe9cb4a4238a77745b3417004622022-12-21T23:31:24ZengSpringerDiscover Oncology2730-60112021-12-0112111410.1007/s12672-021-00457-yAssociation of pigment epithelium derived factor expression with cancer progression and prognosis: a meta-analysis studyGuo Cheng0Crystal Song1Department of Physiology, Stein Eye Institute, David Geffen School of Medicine, Jonsson Comprehensive Cancer Center, University of CaliforniaDepartment of Physiology, Stein Eye Institute, David Geffen School of Medicine, Jonsson Comprehensive Cancer Center, University of CaliforniaAbstract Background Pigment epithelium derived factor (PEDF) is a secreted protein that strongly suppresses angiogenesis and directly inhibits cancer cells proliferation. The differential expression of PEDF has been observed in multiple types of human tumors. However, it is unclear as to how PEDF expression is associated with cancer progression and if PEDF could serve as a prognostic marker for cancer patients. Methods We performed a comprehensive search for the studies on PEDF expression in 14 top-ranked types of solid tumor cancer with the highest incidence. A systemic approach was used to screen for qualified studies and to extract data. Meta-analysis was performed to investigate if PEDF expression is associated with the TNM staging, tumor size, lymph node invasion, distal metastasis and pathological grade of tumor in a pan-cancer manner. A Kaplan–Meier curve was plotted with the digitally-reconstituted patient survival data to study the effect of PEDF expression on the prognosis of cancer patients. Results A total of nine studies were selected, reviewed and analyzed. Meta-analysis suggested that decreased PEDF protein expression was associated with higher TNM staging (OR = 2.13, 95% CI: 1.61–2.81), larger tumor size (OR = 1.42, 95% CI: 1.1–1.84), larger possibility of lymph node invasion (OR = 1.68, 95% CI: 1.26–2.22) and higher pathological grade (OR = 1.6, 95% CI: 1.2–2.13). No correlation was found between PEDF expression and tumor distal metastasis, gender or age. In addition, low PEDF protein level in tumor tissue is correlated with shorter overall survival (P < 0.05). Conclusions Low PEDF protein expression in cancer is significantly associated with more advanced cancer progression and significantly poorer survival. The differential clinical outcome among patients with various PEDF expression suggests its prognostic value.https://doi.org/10.1007/s12672-021-00457-yPigment epithelium derived factor (PEDF)Cancer progressionMeta-analysisOverall survivalPrognosis |
| spellingShingle | Guo Cheng Crystal Song Association of pigment epithelium derived factor expression with cancer progression and prognosis: a meta-analysis study Discover Oncology Pigment epithelium derived factor (PEDF) Cancer progression Meta-analysis Overall survival Prognosis |
| title | Association of pigment epithelium derived factor expression with cancer progression and prognosis: a meta-analysis study |
| title_full | Association of pigment epithelium derived factor expression with cancer progression and prognosis: a meta-analysis study |
| title_fullStr | Association of pigment epithelium derived factor expression with cancer progression and prognosis: a meta-analysis study |
| title_full_unstemmed | Association of pigment epithelium derived factor expression with cancer progression and prognosis: a meta-analysis study |
| title_short | Association of pigment epithelium derived factor expression with cancer progression and prognosis: a meta-analysis study |
| title_sort | association of pigment epithelium derived factor expression with cancer progression and prognosis a meta analysis study |
| topic | Pigment epithelium derived factor (PEDF) Cancer progression Meta-analysis Overall survival Prognosis |
| url | https://doi.org/10.1007/s12672-021-00457-y |
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