Evidence map›Paper›PMID 31081050›Full record

ArticleInternational journal of oncology2019

Simvastatin delays castration‑resistant prostate cancer metastasis and androgen receptor antagonist resistance by regulating the expression of caveolin‑1.

Yingying Gao, Luo Li, Ting Li, Lei Ma, Mengjuan Yuan, Wei Sun, Hong Lin Cheng, Lingfang Niu, Zhongbo Du, Zhen Quan and 4 more

Open access · hybridAbstract read
In one paragraph

Article in International journal of oncology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 1 pooled it
1.5field-weighted citation impact, top 21% 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

18 citing papers in PubMed, 1 synthesis or guideline pooled it, 27 citations in OpenAlex.

  1. Pooled it
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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

14 authors at 3 institutions in 1 country.

Yingying GaoDepartment of Laboratory Diagnosis, Chongqing Medical University, Chongqing 408000, P.R. China.
Luo LiDepartment of Laboratory Diagnosis, Chongqing Medical University, Chongqing 408000, P.R. China.
Ting LiDepartment of Laboratory Diagnosis, Chongqing Medical University, Chongqing 408000, P.R. China.
Lei MaDepartment of Laboratory Diagnosis, The First Affiliated Hospital of Jiamusi University, Jiamusi, Heilongjiang 154000, P.R. China.
Mengjuan YuanDepartment of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 408000, P.R. China.
Wei SunDepartment of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 408000, P.R. China.
Hong Lin ChengDepartment of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 408000, P.R. China.
Lingfang NiuDepartment of Laboratory Diagnosis, Chongqing Medical University, Chongqing 408000, P.R. China.
Zhongbo DuDepartment of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 408000, P.R. China.
Zhen QuanDepartment of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 408000, P.R. China.
Yanru FanDepartment of Laboratory Diagnosis, Chongqing Medical University, Chongqing 408000, P.R. China.
Jiaxin FanDepartment of Laboratory Diagnosis, Chongqing Medical University, Chongqing 408000, P.R. China.
Chunli LuoDepartment of Laboratory Diagnosis, Chongqing Medical University, Chongqing 408000, P.R. China.
Xiaohou WuDepartment of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 408000, P.R. China.
Chongqing Medical University · CNFirst Affiliated Hospital of Chongqing Medical University · CNFirst Affiliated Hospital of Jiamusi University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The failure of androgen deprivation therapy in prostate cancer treatment mainly results from drug resistance to androgen receptor antagonists. Although an aberrant caveolin‑1 (Cav‑1) expression has been reported in multiple tumor cell lines, it is unknown whether it is responsible for the progression of castration‑resistant prostate cancer (CRPC). Thus, the aim of the present study was to determine whether Cav‑1 can be used as a key molecule for the prevention and treatment of CRPC, and to explore its mechanism of action in CRPC. For this purpose, tissue and serum samples from patients with primary prostate cancer and CRPC were analyzed using immunohistochemistry and enzyme‑linked immunosorbent assay, which revealed that Cav‑1 was overexpressed in CRPC. Furthermore, Kaplan‑Meier survival analysis and univariate Cox proportional hazards regression analysis demonstrated that Cav‑1 expression in tumors was an independent risk factor for the occurrence of CRPC and was associated with a shorter recurrence‑free survival time in patients with CRPC. Receiver operating characteristic curves suggested that serum Cav‑1 could be used as a diagnostic biomarker for CRPC (area under the curve, 0.876) using a cut‑off value of 0.68 ng/ml (with a sensitivity of 82.1% and specificity of 80%). In addition, it was determined that Cav‑1 induced the invasion and migration of CRPC cells by the activation of the H‑Ras/phosphoinositide‑specific phospholipase Cε signaling cascade in the cell membrane caveolae. Importantly, simvastatin was able to augment the anticancer effects of androgen receptor antagonists by downregulating the expression of Cav‑1. Collectively, the findings of this study provide evidence that Cav‑1 is a promising predictive biomarker for CRPC and that lowering cholesterol levels with simvastatin or interfering with the expression of Cav‑1 may prove to be a useful strategy with which to prevent and/or treat CRPC.

Indexed as

AdultAgedAndrogen Receptor AntagonistsCaveolin 1Cell Line, TumorCell MovementCholesterolDisease ProgressionDrug Resistance, NeoplasmGene Expression Regulation, NeoplasticHumansMaleMiddle AgedProstatic Neoplasms, Castration-ResistantRetrospective StudiesSimvastatinAndrogen Receptor AntagonistsCAV1 protein, humanCaveolin 1CholesterolSimvastatin

Identifiers

PMID31081050
PMCPMC6521936
OpenAlexW2925951990

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.