Evidence map›Paper›PMID 15614523›Full record

ArticleJournal of cancer research and clinical oncology2005

Matrix metalloproteinases 2 and 9 in oral squamous cell carcinomas: manifestation and localization of their activity.

Keizo Kato, Akira Hara, Toshiya Kuno, Nami Kitaori, Zhi Huilan, Hideki Mori, Makoto Toida, Toshiyuki Shibata

Open access · greenAbstract readComparative Study
In one paragraph

Article in Journal of cancer research and clinical oncology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 1 pooled it
1.5field-weighted citation impact, top 19% 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

27 citing papers in PubMed, 1 synthesis or guideline pooled it, 67 citations in OpenAlex.

  1. Pooled it
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  12. [Effects of geranylgeranyltransferase Ⅰ gene silencing by RNA interference on the migration and invasion of tongue carcinoma].Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology · 2017
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  14. Deregulated Levels of the NF-κB1, NF-κB2, and Rel Genes in Ukrainian Patients with Leukemia and Lymphoma in the Post-Chernobyl Period.Turkish journal of haematology : official journal of Turkish Society of Haematology · 2016
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  16. Bortezomib and Arsenic Trioxide Activity on a Myelodysplastic Cell Line (P39): A Gene Expression Study.Turkish journal of haematology : official journal of Turkish Society of Haematology · 2015
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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

8 authors at 1 institution in 1 country.

Keizo KatoDepartment of Oral and Maxillofacial Sciences, Graduate School of Medicine, Gifu University, 1-1 Yanagido, 501-1194, Gifu, Japan. keizo@cc.gifu-u.ac.jp
Akira Hara
Toshiya Kuno
Nami Kitaori
Zhi Huilan
Hideki Mori
Makoto Toida
Toshiyuki Shibata
Gifu University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe process of invasion and metastasis is closely related to the prognosis of oral squamous cell carcinoma (OSCC). Matrix metalloproteinases (MMPs) are a group of enzymes characterized by their ability to degrade extracellular matrix proteins and contribute to the tumor invasion and metastasis. Especially MMP-2 and MMP-9 are known to be related to destruction of basement membrane as collagenases. This study focused on protein expression of MMP-2 and MMP-9 and their extracellular matrix degradation activity in OSCCs.

methodsFreshly frozen samples from 31 OSCC patients were analyzed for the localization and activity of MMP-2 and MMP-9. Serial frozen sections were used by routine hematoxylin and eosin staining, immunohistochemistry for MMP-2 and MMP-9, and film in situ zymography (FIZ) for gelatinolytic activity. We also evaluated the activity of MMP-2 and MMP-9 by zymography using the same samples as frozen sections. The activated form/proform ratio of MMPs in zymography was evaluated using an image scanner.

resultsIn MMP-2 the proportion in T3 and T4 clinical stage groups was significantly higher than that in T1 and T2. The proportion in lymph node metastasis cases (N+) was also significantly higher than that in non-lymph node metastasis cases (N-). In contrast to MMP-2, the activated form/proform ratio of MMP-9 was very low, suggesting that MMP-9 is not activated in the matrix degradation of OSCC, although both MMP-2 and MMP-9 protein expression are presented in tumor cells. FIZ revealed MMP in both tumor cells and stromal cells of 70% of the N+ cases and of 47.6% of the N- cases.

conclusionsThese results indicate that two types of proform and activated form matrix metalloproteinases, MMP-2 and MMP-9, are present in human OSCC, and that the activated MMP-2 could be a main enzymatic activity of gelatinolysis in OSCC. Interaction of tumor cells and stromal cells seems to play an important role in the invasion and metastasis of human OSCC. Combination analysis of zymography and FIZ is a useful method to detect activity and localization of MMPs in human OSCC.

Indexed as

AdultAgedAged, 80 and overCarcinoma, Squamous CellFemaleGelatinHumansImmunoenzyme TechniquesLymphatic MetastasisMaleMatrix Metalloproteinase 2Matrix Metalloproteinase 9Middle AgedMouth NeoplasmsNeoplasm InvasivenessNeoplasm StagingGelatingelatin filmMatrix Metalloproteinase 2Matrix Metalloproteinase 9

Identifiers

PMID15614523
PMCPMC12161249
OpenAlexW2086752428

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.