Evidence map›Paper›PMID 27904708›Full record

ArticleAmerican journal of translational research2016

Overexpression of carboxypeptidase A4 (CPA4) is associated with poor prognosis in patients with gastric cancer.

Lichao Sun, Chunguang Guo, Hebao Yuan, Joseph Burnett, Jian Pan, Zhihua Yang, Yuliang Ran, Ila Myers, Duxin Sun

Open access · greenAbstract read
In one paragraph

Article in American journal of translational research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
1.9field-weighted citation impact, top 12% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

23 citing papers in PubMed, 31 citations in OpenAlex.

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  7. Knockdown of carboxypeptidase A4 (Journal of gastrointestinal oncology · 2022
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 3 institutions in 2 countries.

Lichao SunState Key Laboratory of Molecular Oncology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College Beijing, People's Republic of China.
Chunguang GuoDepartment of Abdominal Surgical Oncology, Cancer Institute (Hospital), Chinese Academy of Medical Sciences, Peking Union Medical College Beijing 100021, People's Republic of China.
Hebao YuanDepartment of Pharmaceutical Sciences, University of Michigan Ann Arbor, MI 48109, USA.
Joseph BurnettDepartment of Pharmaceutical Sciences, University of Michigan Ann Arbor, MI 48109, USA.
Jian PanDepartment of Hematology and Oncology, Children's Hospital of Soochow University Suzhou 215005, Jiangsu, People's Republic of China.
Zhihua YangState Key Laboratory of Molecular Oncology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College Beijing, People's Republic of China.
Yuliang RanState Key Laboratory of Molecular Oncology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College Beijing, People's Republic of China.
Ila MyersDepartment of Pharmaceutical Sciences, University of Michigan Ann Arbor, MI 48109, USA.
Duxin SunDepartment of Pharmaceutical Sciences, University of Michigan Ann Arbor, MI 48109, USA.
Chinese Academy of Medical Sciences & Peking Union Medical College · CNUniversity of Michigan · USSoochow University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

CarboxypeptidaseA4 (CPA4) is a zinc-containing exopeptidases, and its aberrant expression has been implicated in cancer development and progression. However, few studies have investigated the association between CPA4 over-expression and clinical significance in gastric cancer (GC). In this study, we employed immunohistochemistry to evaluate the expression of CPA4 in gastric cancer tissues, and found that elevated CPA4 expression was detected in 64% (n=100) of primary GCs, but was weak or no staining in the normal mucosa. Clinical relevance analysis showed that positive staining for CPA4 was significantly associated with Tumor size, Stage, Lymph node metastasis, Depth of invasion and Distant metastasis. As tumor markers p53 and Ki67 are closely associated with tumor progression, we further analyzed the correlations between CPA4 levels and these two factors. We found that abnormal expression of CPA4 was positively associated with Ki67 (P=0.002) and reversely correlated with p53 (P=0.035) in GC. In Kaplan-Meier survival analysis, high levels of CPA4 were significantly associated with unfavorable survival in GC patients (P<0.001). Multivariate Cox regression model showed that high expression of CPA4 was an independent prognostic factor for GC patients. In conclusion, our results suggested that CPA4 was highly expressed in gastric cancer tissues. Overexpression of CPA4 can be used as an independent poor prognostic factor in gastric cancer.

Indexed as

CPA4gastric cancermarkerprognosis

Identifiers

PMID27904708
PMCPMC5126350
OpenAlexW2583346870

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.