Evidence map›Paper›PMID 33599904›Full record

ArticleMolecular imaging and biology2021

Bioluminescence Imaging In Vivo Confirms the Viability of Pancreatic Islets Transplanted into the Greater Omentum.

Zuzana Hladíková, Barbora Voglová, Alžběta Pátíková, Zuzana Berková, Jan Kříž, Alžběta Vojtíšková, Ivan Leontovyč, Daniel Jirák, František Saudek

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Article in Molecular imaging and biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
1.0field-weighted citation impact, top 25% 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

3 citing papers in PubMed, 5 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

9 authors at 2 institutions in 1 country.

Zuzana HladíkováDiabetes Center, Institute for Clinical and Experimental Medicine, Prague, Czech Republic.
Barbora VoglováDiabetes Center, Institute for Clinical and Experimental Medicine, Prague, Czech Republic.
Alžběta PátíkováFirst Faculty of Medicine, Charles University, Prague, Czech Republic.
Zuzana BerkováLaboratory of Pancreatic Islets, Institute for Clinical and Experimental Medicine, Prague, Czech Republic.
Jan KřížDiabetes Center, Institute for Clinical and Experimental Medicine, Prague, Czech Republic.
Alžběta VojtíškováFirst Faculty of Medicine, Charles University, Prague, Czech Republic.
Ivan LeontovyčLaboratory of Pancreatic Islets, Institute for Clinical and Experimental Medicine, Prague, Czech Republic.
Daniel JirákMR Unit, Department of Radiodiagnostic and Interventional Radiology, Institute for Clinical and Experimental Medicine, Prague, Czech Republic.
František SaudekDiabetes Center, Institute for Clinical and Experimental Medicine, Prague, Czech Republic. frantisek.saudek@ikem.cz.ORCID 0000-0002-0448-4351
Charles University · CZInstitute of Clinical and Experimental Medicine · CZ

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe liver is the most widely used site for pancreatic islet transplantation. However, several site-specific limitations impair functional success, with instant blood-mediated inflammatory reaction being the most important. The aim of this study was to develop a preclinical model for placement of the islet graft into a highly vascularized omental flap using a fibrin gel. For this purpose, we tested islet viability by bioluminescence imaging (BLI). PROCEDURES: Pancreatic islets were isolated from luciferase-positive and luciferase-negative rats, mixed at a 1:1 ratio, placed into a plasma-thrombin bioscaffold, and transplanted in standard (10 pancreatic islets/g wt; n = 10) and marginal (4 pancreatic islets/g wt; n = 7) numbers into the omentums of syngeneic diabetic animals. For the control, 4 pancreatic islets/g were transplanted into the liver using the standard procedure (n = 7). Graft viability was tested by bioluminescence at days 14, 30, 60, and 90 post transplant. Glucose levels, intravenous glucose tolerance, and serum C-peptide were assessed regularly.

resultsNonfasting glucose levels < 10 mmol/l were restored in all animals. While islet viability in the omentum was clearly detected by stable luminescence signals throughout the whole study period, no signals were detected from islets transplanted into the liver. The bioluminescence signals were highly correlated with stimulated C-peptide levels detected at 80 days post transplant. Glucose tolerance did not differ among the 3 groups.

conclusionsWe successfully tested a preclinical model of islet transplantation into the greater omentum using a biocompatible scaffold made from autologous plasma and human thrombin. Both standard and marginal pancreatic islet numbers in a gel-form bioscaffold placed in the omentum restored glucose homeostasis in recipients with diabetes. Bioluminescence was shown promising as a direct proof of islet viability.

Indexed as

Islets of Langerhans TransplantationAnimalsCell SurvivalFemaleGraft SurvivalIslets of LangerhansLuminescent MeasurementsMaleMolecular ImagingOmentumRatsBioluminescenceOmentumPancreatic islet transplantationType 1 diabetes

Identifiers

PMID33599904
OpenAlexW3129680958

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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.