Evidence map›Paper›PMID 27487486›Full record

ArticleCancer science2016

Calpain inhibitor calpeptin suppresses pancreatic cancer by disrupting cancer-stromal interactions in a mouse xenograft model.

Masaki Yoshida, Yoshihiro Miyasaka, Kenoki Ohuchida, Takashi Okumura, Biao Zheng, Nobuhiro Torata, Hayato Fujita, Toshinaga Nabae, Tatsuya Manabe, Masaya Shimamoto and 3 more

Open access · goldAbstract read
In one paragraph

Article in Cancer science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
2.1field-weighted citation impact, top 15% 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, 29 citations in OpenAlex.

  1. Article
  2. Calpain inhibition by calpeptin modulates adipocyte lipid metabolism and secretome-mediated inflammatory crosstalk with hepatocytes.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2026
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  13. High calpain-1 expression predicts a poor clinical outcome and contributes to tumor progression in pancreatic cancer patients.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2019
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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

13 authors at 2 institutions in 1 country.

Masaki YoshidaDepartment of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
Yoshihiro MiyasakaDepartment of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan. yoshi-m@surg1.med.kyushu-u.ac.jp.
Kenoki OhuchidaDepartment of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan. kenoki@surg1.med.kyushu-u.ac.jp.
Takashi OkumuraDepartment of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
Biao ZhengDepartment of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
Nobuhiro TorataDepartment of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
Hayato FujitaDepartment of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
Toshinaga NabaeDepartment of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
Tatsuya ManabeDepartment of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
Masaya ShimamotoCancer Center, Kyushu University Hospital, Fukuoka, Japan.
Takao OhtsukaDepartment of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
Kazuhiro MizumotoCancer Center, Kyushu University Hospital, Fukuoka, Japan.
Masafumi NakamuraDepartment of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
Kyushu University · JPKyushu University Hospital · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Desmoplasia contributes to the aggressive behavior of pancreatic cancer. However, recent clinical trials testing several antifibrotic agents on pancreatic cancer have not shown clear efficacy. Therefore, further investigation of desmoplasia-targeting antifibrotic agents by another mechanism is needed. Calpeptin, an inhibitor of calpains, suppressed fibroblast function and inhibited fibrosis. In this study, we investigated the anticancer effects of calpeptin on pancreatic cancer. We investigated whether calpeptin inhibited tumor progression using a mouse xenograft model. We used quantitative RT-PCR to evaluate the expression of calpain-1 and calpain-2 mRNA in pancreatic cancer cells (PCCs) and pancreatic stellate cells (PSCs). We also undertook functional assays, including proliferation, migration, and invasion, to evaluate the inhibitory effects of calpeptin on PCCs and PSCs. Quantitative RT-PCR indicated that PCCs and PSCs expressed calpain-2 mRNA. Calpeptin reduced tumor volume (P = 0.0473) and tumor weight (P = 0.0471) and inhibited the tumor desmoplastic reaction (P < 0.001) in xenograft tumors in nude mice. Calpeptin also inhibited the biologic functions of PCCs and PSCs including proliferation (P = 0.017), migration (P = 0.027), and invasion (P = 0.035) in vitro. Furthermore, calpeptin reduced the migration of PCCs and PSCs by disrupting the cancer-stromal interaction (P = 0.0002). Our findings indicate that calpeptin is a promising antitumor agent for pancreatic cancer, due not only to its suppressive effect on PCCs and PSCs but also its disruption of the cancer-stromal interaction.

Indexed as

AnimalsCalpainCell CommunicationCell Line, TumorCell MovementCell ProliferationDipeptidesDisease Models, AnimalGene ExpressionHumansMicePancreatic NeoplasmsPancreatic Stellate CellsRNA, MessengerStromal CellsTumor BurdenCalpaincalpeptinDipeptidesRNA, MessengerCalpeptincancer-stromal interactiondesmoplasiapancreatic cancerpancreatic stellate cells

Identifiers

PMID27487486
PMCPMC5084662
OpenAlexW2485565959

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.