Evidence map›Paper›PMID 32783519›Full record

ArticleJournal of the American Heart Association2020

Laminin-221 Enhances Therapeutic Effects of Human-Induced Pluripotent Stem Cell-Derived 3-Dimensional Engineered Cardiac Tissue Transplantation in a Rat Ischemic Cardiomyopathy Model.

Takaaki Samura, Shigeru Miyagawa, Takuji Kawamura, Satsuki Fukushima, Jun-Ya Yokoyama, Maki Takeda, Akima Harada, Fumiya Ohashi, Ryoko Sato-Nishiuchi, Toshihiko Toyofuku and 3 more

Open access · goldAbstract read
In one paragraph

Article in Journal of the American Heart Association, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 2 pooled it
1.2field-weighted citation impact, top 20% 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

12 citing papers in PubMed, 2 syntheses or guidelines pooled it, 17 citations in OpenAlex.

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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 3 institutions in 1 country.

Takaaki SamuraDepartment of Cardiovascular Surgery Osaka University Graduate School of Medicine Osaka Japan.
Shigeru MiyagawaDepartment of Cardiovascular Surgery Osaka University Graduate School of Medicine Osaka Japan.
Takuji KawamuraDepartment of Cardiovascular Surgery Osaka University Graduate School of Medicine Osaka Japan.
Satsuki FukushimaDepartment of Cardiovascular Surgery Osaka University Graduate School of Medicine Osaka Japan.
Jun-Ya YokoyamaDepartment of Cardiovascular Surgery Osaka University Graduate School of Medicine Osaka Japan.
Maki TakedaDepartment of Cardiovascular Surgery Osaka University Graduate School of Medicine Osaka Japan.
Akima HaradaDepartment of Cardiovascular Surgery Osaka University Graduate School of Medicine Osaka Japan.
Fumiya OhashiDepartment of Cardiovascular Surgery Osaka University Graduate School of Medicine Osaka Japan.
Ryoko Sato-NishiuchiDivision of Matrixome Research and Application Institute for Protein Research Osaka University Osaka Japan.
Toshihiko ToyofukuDepartment of Immunology and Regenerative Medicine Osaka University Graduate School of Medicine Osaka Japan.
Koichi TodaDepartment of Cardiovascular Surgery Osaka University Graduate School of Medicine Osaka Japan.
Kiyotoshi SekiguchiDivision of Matrixome Research and Application Institute for Protein Research Osaka University Osaka Japan.
Yoshiki SawaDepartment of Cardiovascular Surgery Osaka University Graduate School of Medicine Osaka Japan.
The University of Osaka · JPProtein Research Foundation · JPTakeda (Japan) · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background Extracellular matrix, especially laminin-221, may play crucial roles in viability and survival of human-induced pluripotent stem cell-derived cardiomyocytes (hiPS-CMs) after in vivo transplant. Then, we hypothesized laminin-221 may have an adjuvant effect on therapeutic efficacy by enhancing cell viability and survival after transplantation of 3-dimensional engineered cardiac tissue (ECT) to a rat model of myocardial infarction. Methods and Results In vitro study indicates the impacts of laminin-221 on hiPS-CMs were analyzed on the basis of mechanical function, mitochondrial function, and tolerance to hypoxia. We constructed 3-dimensional ECT containing hiPS-CMs and fibrin gel conjugated with laminin-221. Heart function and in vivo behavior were assessed after engraftment of 3-dimensional ECT (laminin-conjugated ECT, n=10; ECT, n=10; control, n=10) in a rat model of myocardial infarction. In vitro assessment indicated that laminin-221 improves systolic velocity, diastolic velocity, and maximum capacity of oxidative metabolism of hiPS-CMs. Cell viability and lactate dehydrogenase production revealed that laminin-221 improved tolerance to hypoxia. Furthermore, analysis of mRNA expression revealed that antiapoptotic genes were upregulated in the laminin group under hypoxic conditions. Left ventricular ejection fraction of the laminin-conjugated ECT group was significantly better than that of other groups 4 weeks after transplantation. Laminin-conjugated ECT transplantation was associated with significant improvements in expression levels of rat vascular endothelial growth factor. In early assessments, cell survival was also improved in laminin-conjugated ECTs compared with ECT transplantation without laminin-221. Conclusions In vitro laminin-221 enhanced mechanical and metabolic function of hiPS-CMs and improved the therapeutic impact of 3-dimensional ECT in a rat ischemic cardiomyopathy model. These findings suggest that adjuvant laminin-221 may provide a clinical benefit to hiPS-CM constructs.

Indexed as

Cell SurvivalTissue EngineeringAnimalsApoptosisCell HypoxiaDisease Models, AnimalGene Expression RegulationHeart TransplantationHumansInduced Pluripotent Stem CellsLamininL-Lactate DehydrogenaseMaleMyocardial ContractionMyocardial InfarctionMyocytes, CardiacLamininL-Lactate DehydrogenaseRecombinant ProteinsRNA, MessengerVascular Endothelial Growth Factor Avascular endothelial growth factor A, rat3‐dimensional engineered cardiac tissueheart failurehuman‐induced pluripotent stem cellslaminin‐221regenerative therapy

Identifiers

PMID32783519
PMCPMC7660810
OpenAlexW3048867812

What OpenQuestion holds

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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.